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A systematic review and meta-analysis of risks and benefits with breast reduction in the public healthcare system: priorities for further research

Abstract

Background

There is no consensus for when publicly funded breast reduction is indicated and recommendations in guidelines vary greatly, indicating a lack of evidence and unequal access. The primary aim of this review was to examine risks and benefits of breast reduction to treat breast hypertrophy. Secondary aims were to examine how the studies defined breast hypertrophy and indications for a breast reduction.

Methods

A systematic literature search was conducted in PubMed, MEDLINE All, Embase, the Cochrane Library, and PsycInfo. The included articles were critically appraised, and certainty of evidence was assessed using the GRADE approach. Meta-analyses were performed when possible.

Results

Fifteen articles were included; eight reporting findings from four randomised controlled trials, three non-randomised controlled studies, three case series, and one qualitative study. Most studies had serious study limitations and problems with directness. Few of the studies defined breast hypertrophy. The studies showed significantly improved health-related quality of life and sexuality-related outcomes in patients who had undergone breast reduction compared with controls, as well as reduced depressive symptoms, levels of anxiety and pain. Most effect sizes exceeded the reported minimal important difference for the scale. Certainty of evidence for the outcomes above is low (GRADE ). Although four studies reported significantly improved physical function, the effect is uncertain (very low certainty of evidence, GRADE ). None of the included studies reported data regarding work ability or sick leave. Three case series reported a 30-day mortality of zero. Reported major complications after breast reduction ranged from 2.4 to 14% and minor complications from 2.4 to 69%.

Conclusion

There is a lack of high-quality studies evaluating the results of breast reduction. A breast reduction may have positive psychological and physical effects for women, but it is unclear which women benefit the most and which women should be offered a breast reduction in the public healthcare system. Several priorities for further research have been identified.

Pre-registration

The study is based on a Health Technology Assessment report, pre-registered and then published on the website of The Regional HTA Centre of Region Västra Götaland, Sweden.

Peer Review reports

Background

Publicly funded welfare-type healthcare systems with a strong emphasis on equal access to healthcare are increasingly struggling with resource constraints. This requires a standardisation, with continuing re-evaluation, of what should be reimbursed and what should be rationed [1,2,3]. The nature of plastic surgery entails an element of subjectivity and studies have revealed that there is a variation in what is offered which could indicate a lack of evidence and unequal access [1, 4,5,6,7]. One procedure that has been debated, and where guidelines vary, is breast reduction due to breast hypertrophy [3, 5, 8,9,10].

Breast hypertrophy is a condition that may give rise to both physical and psychosocial symptoms, including muscle pain, such as back and shoulder pain, headache, postural changes, bra strap grooves, intertrigo, inability to participate in exercise and sports, sexual problems, bullying, body image problems, and problems with poorly fitting clothes [11]. Most of the symptoms described impair health-related quality of life (HRQoL). A breast reduction (reduction mammaplasty) is considered effective at reducing physical and psychosocial symptoms and improving HRQoL [12, 13]; however, similar effects are also achieved when a breast reduction is performed for cosmetic reasons and therefore it is difficult to distinguish which patients should be operated in the publicly funded healthcare system [14, 15]. Moreover, there is no standardisation regarding the assessment and prioritising of functional problems, such as back pain, compared to non-functional problems, for example suffering due to appearance [16].

There is no commonly accepted definition of breast hypertrophy and no consensus for when a breast reduction is indicated and should be reimbursed. Some guidelines define breast hypertrophy according to breast volume. For example, the current national Swedish guidelines [17] base the definition on anthropomorphic measurements of mean breast volume (405 ml, median 359 ml) in a population of randomly chosen women [18]. Hypertrophy is defined as at least twice the mean volume observed in the anthropomorphic measurement studies; that is, a volume of > 800 ml per breast. Previous Swedish studies, conducted before the guidelines were established, showed that many women who want a breast reduction have a volume of > 800 ml [19, 20]. Other definitions of breast hypertrophy include the Sacchini criteria [21] and bra size. The Sacchini criteria [21] are based on the mean measurement of the nipple to the inframammary fold distance and the nipple to the lateral border of the sternum distance. A mean distance of less than 9 cm is considered to indicate a small breast, 9–11 cm a normally sized breast and > 11 cm breast hypertrophy. When bra size is used, a cup D or larger is typically considered to indicate breast hypertrophy. In healthcare systems with third party payers, such as the United States system, insurance companies often assess the medical necessity for a breast reduction based on the amount of tissue that can be removed in a normal weight patient [9], usually according to the The Schnur Sliding Scale [10, 22].

The aim of this review was to examine the risks and benefits of breast reduction to treat breast hypertrophy. Specifically, the primary aims were to investigate whether breast reduction is better than no surgery, in women with symptomatic breast hypertrophy and a BMI of ≤ 35, regarding HRQoL, depressive symptoms, anxiety symptoms, sexuality-related outcomes, work ability, sick leave, physical function, pain, and patient experience, and whether it is safe. Secondary aims were to examine how the studies defined breast hypertrophy and which indications for a breast reduction were used.

Methods

Protocol

This is a systematic review and meta-analyses based on a Health Technology Assessment report [23]. The protocol was pre-registered on the webpage of The Regional Health Technology Assessment Centre of Region Västra Götaland, Sweden (HTA-centrum).

Eligibility criteria and study selection

Studies examining risks and benefits with breast reduction in breast hypertrophy were included. Included articles had to meet criteria defined in a PICO (population, intervention, comparison, and outcome) [24] (Table 1). A patient was included in the work group when the PICO was defined.

Table 1 PICO

Eligible study designs were randomised controlled trials (RCTs), non-randomised controlled studies comprising ≥ 100 patients, case series if ≥ 1000 patients were reported (only for complications), all case reports/series reporting deaths, and qualitative studies. All the authors independently assessed whether the articles met the inclusion criteria and disagreements were resolved by discussion.

Information sources and search

In June 2020 two medical librarians (authors AL, ME) together performed a search in MEDLINE All (Ovid), PubMed, Embase (Ovid), the Cochrane Library (Wiley) and APA PsycInfo (Ebsco), using controlled vocabulary (MeSH, Emtree) such as breast hyperplasia and breast reduction and relevant free-text terms. The searches for all databases were validated by discussion and are available in Additional file 1. Reference lists of relevant articles were scrutinised for additional references. The web sites of the Swedish Agency for Health Technology Assessment and Assessment of Social Services (SBU) and the Norwegian Institute of Public Health were visited. The search was limited to English, Swedish, Norwegian and Danish languages, to human studies and publications from January 1990 to June 2020. The search was limited to this time period, as a previous systematic review has demonstrated that there is no relevant literature from before this date [17]. All articles remaining after the initial selection were obtained in full text for assessment by the other authors (EWJ, SB, HH, CJ, LJ, MP, MS, FW, EH). All authors independently assessed all the full-text articles (EWJ, SB, ME, HH, CJ, LJ, AL, MP, MS, FW, EH). Final inclusion was determined by consensus.

Data collection process and data items

Data were extracted by one author and verified by another. Information collected included: first author, year of publication, study country, study design, study scope, number of patients and controls, dropouts, study groups, body mass index (BMI), age, tobacco use, definition of breast hypertrophy, resection weight and outcomes according to the PICO.

Statistical analysis

The results of each article were tabulated per outcome (Tables 2, 3, 4, 5, 6, 7). When possible, data were pooled and subjected to meta-analysis using Review Manager (RevMan) and the Metan-command in Stata version 16. Random effects model using the method of DerSimonian and Laird, with the estimate of heterogeneity being taken from the inverse-variance fixed-effect model, was used. When only median and range was reported in the original studies, median was used as a proxy for mean and range divided by 6 was used a proxy to SD since mean ± 3*SD covers about 99.7% of the population values. If SD was only reported for baseline this value was also used for follow-up. For most outcomes, meta-analysis was not possible due to heterogeneity in measures and follow-up time.

Table 2 Characteristics of included studies
Table 3 Health-related quality of life
Table 4 Depression and anxiety
Table 5 Sexually-related outcomes
Table 6 Physical function
Table 7 Pain

Risk of bias in individual studies and across studies

All included randomised and non-randomised controlled studies, as well as the qualitative study, were assessed regarding directness, risk of bias and precision, as described by the GRADE working group [25,26,27,28]. Checklists for assessing study quality, modified from the Swedish Agency for Health Technology Assessment and Assessment of Social Services (SBU) [29], were used. Certainty of evidence was assessed using the GRADE approach, as very low (GRADE ), low (GRADE ), moderate (GRADE   ), and high (GRADE     ) [30]. High quality is defined as ‘further research is very unlikely to change our confidence in the estimate of the effect’, moderate quality as ‘further research is likely to have an important impact on our confidence in the estimate of effect and may change the estimate’, low as ‘further research is very likely to have an important impact on our confidence in the estimate of effect and is likely to change the estimate’, and very low as ‘any estimate of effect is very uncertain’ [30].

Results

Study selection

The literature search identified 1355 articles after removal of duplicates. Of these, 1257 articles were excluded after screening of abstracts. Another 44 articles were excluded when they had been read in full text (Fig. 1). The 54 full-text articles left after this first selection were sent to all authors, and 15 articles were finally included in the review (Table 2). The excluded articles, with reasons for exclusion, are presented in Additional file 2.

Fig. 1
figure 1

PRISMA flow diagram

Study characteristics

Of the fifteen included articles, four were RCTs (reported in eight papers), three were non-randomised controlled studies, three were case series, and one was a qualitative study (Table 2). The majority of the included studies compared surgical intervention with no treatment (C1) and one study [31] with physiotherapy (C2, non-surgical treatment).

Risk of bias within and across studies

The RCTs had serious study limitations, indirectness, and/or imprecision. Methodological issues included unclear definition of breast hypertrophy, short follow-up, lack of blinding of patients or surgeons, control groups composed of patients waiting for a breast reduction, and a lack of inter-group comparisons. Effects were measured using validated patient-reported outcome measures. The non-randomised controlled studies had some study limitations in terms of poor evaluation of potential confounding, adherence, dropouts, and unclear definitions of breast hypertrophy. The qualitative study was assessed as being of moderate quality.

Mortality and complications

Mortality was reported in three case series (n = 104,565), all based on the same registry, NSQIP; thus, slightly overlapping. One death was reported in the population with BMI > 30, not included in this review [32]. Three RCTs, one non-randomised controlled study and three cases series, based on register data, reported surgical complications (Additional file 3). Reporting standards were heterogeneous, as complications were not predefined, and no information was given about when, how, or by whom they were diagnosed. The reported frequencies of major complications after breast reduction, such as venous thromboembolism [33, 34], varied from 2.4 to 14%, and frequencies of minor complications, such as surgical site infection and delayed wound healing, from 2.4 to 69%. Two of the included studies showed that increased BMI was a risk factor for complications [32, 33].

Health-related quality of life

Health-related quality of life was reported in three RCTs and two non-randomised controlled studies, using both generic (SF-6D, and SF-36) and disease-specific (BREAST-Q) questionnaires (Table 3). HRQoL was improved after breast reduction in all included studies, compared with no surgery. Meta-analyses (Figs. 2, 3, 4) performed for SF-6D and SF-36 scores, showed a weighted mean difference for SF-6D of 0.14 (95% CI 0.10–0.17) 6 months after surgery, implying a clinically relevant difference in HRQoL, compared with the previously suggested minimal important difference (MID) [35] (Table 3). In summary, breast reduction compared with no surgery may result in a clinically relevant improvement in HRQoL in women with breast hypertrophy (low certainty of evidence, GRADE ).

Fig. 2
figure 2

Meta-analysis of studies comparing reduction mammoplasty with no surgery using SF-6D (Health utility index score)

Fig. 3
figure 3

Meta-analysis of studies comparing reduction mammoplasty with no surgery, using SF-36 (Physical summary score)

Fig. 4
figure 4

Meta-analysis of studies comparing reduction mammoplasty with no surgery, using SF-36 (Mental summary score)

Depression and anxiety

Depressive symptoms were reported in three RCTs (n = 215) and symptoms of anxiety in two RCTs (n = 155), using different validated assessment tools and scores (Table 4). Postoperative (4–6 months) depressive symptom rates were consistently lower in women undergoing breast reduction compared with no treatment or physiotherapy. The postoperative anxiety symptoms were measured after four to six months and were significantly lower in women who had undergone breast reduction in both studies. In summary, breast reduction, compared with no surgery, may result in a clinically relevant reduction in depressive and anxiety symptoms, in women with breast hypertrophy (low certainty of evidence, GRADE ).

Sexuality-related outcomes

Sexuality-related outcomes were reported in one RCT and two non-randomised controlled studies (n = 262), using different instruments (Table 5). Sexual function, sexual well-being, and sexual quality of life were significantly improved after breast reduction compared with no surgery. In summary, sexuality-related outcomes may be significantly improved by breast reduction, compared with no surgical intervention (low certainty of evidence, GRADE ).

Work ability and sick leave

Work ability and sick leave were not reported in any of the included studies.

Physical function

Physical function after breast reduction compared with no surgery, was reported in two RCTs and two non-randomised controlled studies (n = 447) (Table 6). One RCT reported physical function in two papers [36, 37]. Statistically significant improvement in physical function after surgery was reported in the RCTs, with a follow-up time of 6 months. Significant intergroup improvement was reported in the non-randomised controlled studies regarding physical wellbeing, physical function and daily activities after surgery. In conclusion, it is uncertain whether breast reduction compared with no surgery affects physical function in women with breast hypertrophy (very low certainty of evidence, GRADE ).

Pain

Three RCTs and one non-randomised controlled study (n = 420) reported pain (Table 7), measured with different instruments. Pain was significantly reduced in all studies. In summary, breast reduction compared with no surgery may result in a clinically relevant reduction of pain in women with breast hypertrophy (low certainty of evidence, GRADE )..

Patient experiences of a breast reconstruction

One qualitative study including 50 patients was identified [38]. Most of the patients reported an increased physical activity after the operation and believed that the operation had changed their lives to the better. Nonetheless, a few patients reported a deterioration in self-image and quality of life and one patient expressed regret. Some patients were unsatisfied or distressed with the scarring (Additional file 4).

Definitions of breast hypertrophy and indications for a breast reduction

As regards definitions, three studies used the Sacchini criteria, two studies used bra cup size, and 10 studies did not report how they defined breast hypertrophy (Table 2). One study reported that a bra size of E or more in combination with ‘symptoms in the upper body associated with mammary hypertrophy’ constituted an indication for surgery [39]. None of the other studies specifically reported indications for a breast hypertrophy.

Discussion

The aim of this review was to examine the risks and benefits of breast reduction in women with breast hypertrophy, with an underlying focus on identifying specific indications for surgery in the public healthcare system.

Methodological limitations of the included studies

Several methodological limitations were identified in all included studies. Main issues included a lack of, or the use of non-validated, definitions of breast hypertrophy and of complications, a potentially biased control group, lack of blinding, a short follow-up, and insufficient reporting of inter-group results.

The main problem with the lack of definitions of breast hypertrophy and indications for breast reductions in the studies is that it is difficult to evaluate effects of treatment when the condition is not adequately defined. Moreover, not all of the studies reported the resected amount of breast tissue, further complicating the evaluation of the effects of the intervention in relation to the severity of breast hypertrophy. There are a number of limitations regarding the use of unvalidated breast measurements, such as bra size and the Sacchini criteria, that were used in the few studies [39,40,41,42,43] in this review that reported their definition. Firstly, there are no conclusive studies determining what volume/weight, in relation to body build, that gives rise to physical and/or psychosocial symptoms, and symptom relief does not seem to be correlated to the amount of tissue resected [22, 44]. Secondly, the relationship between breast volume and breast weight is not clear-cut as different breasts have different density. The ratio between adipose tissue and breast tissue varies according to genetics and hormonal status and breast tissue weighs more than adipose tissue. Thirdly, breast size measurements are uncertain [45, 46]. As regards, the use of cup sizes, they are not standardised; for example, one brand’s D cup might equal another brand’s C cup. The cup size is often based on the difference in breast circumference and rib cage circumference; that is, a difference of one inch (2.54 cm) constitutes an A cup, two inches a B cup, etc. and consequently the actual volume of the cup is substantially different depending on the circumference of the rib cage. Moreover, the model of the bra, for example if it covers the entire or only part of the breast, creates different ‘volumes’. Finally, there is a considerable difference in how women want their bra to fit; that is, women with identical breast volume might wear different bra sizes [47]. In brief, it is unclear which conditions have actually been treated in the included studies.

None of the included studies stated how complications were defined and whether they had been registered in a systematic and prospective fashion or not. Similar methodological problems have been seen previously in studies on breast reduction, where most studies only register surgical site complications in an undefined way leading to an underestimation of overall complication rates [48]. In one of few publications [48] on breast reduction where complications were classified according to a validated system, Clavien–Dindo, the complication frequency was 63%, albeit retrospectively registered. A prospective approach could give an even higher complication frequency. The most common type of complication (46%) was wound healing complications [48]. The study by Winter and associates [48] was not included in this review as the number of reported patients were 486, and the inclusion requirement of > 1000 patients for case series was therefore not met. In this review, the lower complication rates are from publications reporting figures from the NSQIP registry [32, 33, 49]. In the registry, wound complications are defined as ‘superficial infection, deep wound infection, deep or organ space infection, and wound dehiscence’ [49]. In Winter et al.’s study [48], the rate of such wound complications was 9%, and the rate of milder wound complications, not requiring an intervention, such as antibiotics or debridement, was 48%. Indeed, the studies included in this report with higher complication rates seem to have included all types of wound complications. Hence, complications are common but reported frequencies are dependent on how complications are defined and classified, explaining the wide range of frequencies observed in the present review.

In all included RCTs, patients who wanted a breast reduction were randomised either to breast reduction or to a waiting list for such surgery. Therefore, all the patients were likely biased towards a wish for a breast reduction and all the controls knew that they would receive a breast reduction eventually. It can be discussed whether such patients represent an adequate untreated control group. The practice also implies that neither the patients nor the surgeons were blinded.

Another issue limiting the directness of the results, is the short follow-up time in the included studies. According to basic plastic surgical principles, a final result can never be evaluated before at least a year has passed [50]. Most of the included studies had a follow-up time of less than one year, and therefore the measured effects might not represent the final outcome of surgery. Patients who are treated with surgery they have requested themselves, initially experience a positive effect of the surgery that might diminish over time [51]. Moreover, two of the four RCTs were conducted in the same country which might limit the generalisability of the results as cultural norms [52], and perceived need for breast reduction, might be different in other parts of the world.

Discussion of current evidence

Our review shows that complications are frequent after breast reduction. None of the included studies specifically reported the impact of different breast volumes on the effect and safety of breast reconstruction. However, the case series on complications clearly showed that a BMI equal to or higher than 30 increases the risk for complications by three-fold [32]. Moreover, the most serious complications, such as pulmonary embolism [34] and death [32], occurred in patients with a high BMI. Nonetheless, even though a high BMI clearly increases the risk for complications, there is no evidence to suggest where the exact BMI limit should be. None of the included studies specifically included an analysis of other risk factors for complications, such as smoking [53]. However, the high frequency of wound healing complications in all of the included studies could indicate that all risk factors for wound healing problems should be eliminated.

Regarding effects, breast reduction may improve HRQoL and may reduce depressive symptoms, anxiety symptoms, and pain, compared with no surgery. However, such effect can also be seen when a breast reduction is performed for aesthetic purposes [14, 15, 54]. In this context, it is unclear how such patient-reported outcomes improvement should be valued, and how patients suffering due to appearance related factors should be differentiated from patients with a mere preference for plastic surgery [16, 55]. Moreover, little is known about the long-term effect of plastic surgery on HRQoL, depression and anxiety [56]. In addition, some of the effects, such as the effect of breast reduction on depression, should be interpreted with caution, as the observed baseline values generally indicated no or mild depression [39, 41, 57]. A total of five health economic articles [40, 58,59,60,61] were identified in the literature search but only one [40] of them fulfilled the eligibility criteria for inclusion. The studies were all based on studies with small sample sizes, assessing QALY benefits by the intra-individual changes in HRQoL (i.e. lacking control group) and making the optimistic assumption that the HRQoL benefits would last the rest of the lifetime.

The effects seen in this review on HRQoL, depressive symptoms, and anxiety after breast reduction illustrate that breast hypertrophy gives rise to more symptoms than back pain and functional problems, which might indicate that a volume/size requirement is too crude a measure to decide which patients will benefit from a breast reduction and should be granted an operation in the public healthcare system. Moreover, there are no reports on which volumes/weights give rise to physical symptoms in relation to body build and other factors, further strengthening that a volume/size definition, on its own, seems inadequate to predict which patients benefit the most from a breast reduction. In brief, to create evidence-based guidelines for which patients should be granted a breast reduction in the public healthcare system, more studies are needed on the definition of breast hypertrophy and the health care need it gives rise to, as well as on the effect of treatment.

Conclusions

There are few studies and a lack of high-quality studies that evaluate the results of breast reduction and include a definition of breast hypertrophy. A breast reduction seems to have positive psychological and physical effects for women, but it is unclear which women benefit the most and which women should be offered a breast reduction in the public healthcare system. Currently, there is large variation in, and unequal access to publicly funded breast reduction. A number of priorities for further research have been identified:

  • A validated system for how breast hypertrophy should be defined, and which preoperative measurements, symptoms, and outcome variables should be reported in studies

  • Evaluation of which volumes/weights give rise to physical symptoms in relation to body build and other factors

  • Analysis of what healthcare needs breast hypertrophy gives rise to

  • A validated classification system for prospective registration of complications after breast reduction

  • Health economical evaluation of the cost-utility of breast reduction compared with no surgery

  • Further studies on women’s experiences of breast reduction.

Availability of data and materials

The datasets supporting the conclusions of this article are included with the article and its electronic supplements.

Abbreviations

BDI:

Beck’s depression inventory

BMI:

Body mass index (kg/m2)

CI:

Confidence interval

DAS-59:

Derriford appearance scale 59

EQ-5D:

EuroQol-5 dimension

FBAS:

Finnish breast-associated symptoms questionnaire

FPQ:

Finnish pain questionnaire

FSFI:

Female sexual function index

GRADE:

The grading of recommendations assessment, development and evaluation

HADS:

Hospital anxiety and depression scale

HAQ-20:

Stanford Health Assessment Questionnaire

HTA:

Health technology assessment

HRQoL:

Health-related quality of life

MD:

Mean difference

MID:

Minimal important difference

NAC:

Nipple areolar complex

NSQIP:

The American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP®)

PICO:

P = patients, I = intervention, C = comparison, O = outcome

QALY:

Quality adjusted life years

RBDI:

Raitsalo’s modification of the BDI (Finnish modification)

RCT:

Randomised controlled trial

SBU:

Swedish Agency of Health Technology Assessment and Assessment of Social Services

SF-36:

Short Form (36) Health Survey

SF-6D:

Short Form Six-Dimension

SQoL-F:

Sexual quality of life-female

VAS:

Visual analogue scale

WMD:

Weighted mean difference

References

  1. Cook SA, Rosser R, Meah S, James MI, Salmon P. Clinical decision guidelines for NHS cosmetic surgery: analysis of current limitations and recommendations for future development. Br J Plast Surg. 2003;56(5):429–36.

    Article  CAS  PubMed  Google Scholar 

  2. Hunter JE, Laing JH, Carroll G. Demand management in plastic surgery for low priority procedures: the Welsh experience. J Plast Reconstr Aesthet Surg. 2010;63(11):1778–86.

    Article  CAS  PubMed  Google Scholar 

  3. Rahman S, Langridge B, Hachach-Haram N, Hansen E, Bootle A, Bystrzonowski N, Hamilton S, Mosahebi A. Assessing the effects of changes in care commissioning guidelines at a tertiary centre in London on the provision of NHS-funded procedures of limited clinical effectiveness: an 11-year retrospective database analysis. BMJ Open. 2017;7(7): e015324.

    Article  PubMed  PubMed Central  Google Scholar 

  4. Henderson J. The plastic surgery postcode lottery in England. Int J Surg. 2009;7(6):550–8.

    Article  PubMed  Google Scholar 

  5. Wraight WM, Tay SK, Nduka C, Pereira JA. Bilateral breast reduction surgery in England: a postcode lottery. J Plast Reconstr Aesthet Surg. 2007;60(9):1039–44.

    Article  PubMed  Google Scholar 

  6. Russell J, Swinglehurst D, Greenhalgh T. “Cosmetic boob jobs” or evidence-based breast surgery: an interpretive policy analysis of the rationing of “low value” treatments in the English National Health Service. BMC Health Serv Res. 2014;14:413.

    Article  PubMed  PubMed Central  Google Scholar 

  7. Dickie EE, Simcock JW. Reduction mammaplasty and resource allocation–are patients being treated fairly? An examination of the current New Zealand situation, and looking towards the future. N Z Med J. 2013;126(1374):46–55.

    PubMed  Google Scholar 

  8. Klassen A, Fitzpatrick R, Jenkinson C, Goodacre T. Should breast reduction surgery be rationed? A comparison of the health status of patients before and after treatment: postal questionnaire survey. BMJ. 1996;313(7055):454–7.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  9. Koltz PF, Frey JD, Langstein HN. Insurance coverage and reduction mammaplasty: a systematic review of current health care policies. Plast Reconstr Surg. 2013;132(4):692e–3e.

    Article  PubMed  CAS  Google Scholar 

  10. Schnur PL, Hoehn JG, Ilstrup DM, Cahoy MJ, Chu CP. Reduction mammaplasty: cosmetic or reconstructive procedure? Ann Plast Surg. 1991;27(3):232–7.

    Article  CAS  PubMed  Google Scholar 

  11. Kerrigan CL, Collins ED, Striplin D, Kim HM, Wilkins E, Cunningham B, Lowery J. The health burden of breast hypertrophy. Plast Reconstr Surg. 2001;108(6):1591–9.

    Article  CAS  PubMed  Google Scholar 

  12. Lewin R, Liden M, Lundberg J, Hansson E, Selvaggi G, Thorarinsson A, Elander A. Prospective evaluation of health after breast reduction surgery using the Breast-Q, Short-Form 36, breast-related symptoms questionnaire, and modified breast evaluation questionnaire. Ann Plast Surg. 2019;83(2):143–51.

    Article  CAS  PubMed  Google Scholar 

  13. Crittenden T, Watson DI, Ratcliffe J, Griffin PA, Dean NR, Group AR. Does breast reduction surgery improve health-related quality of life? A prospective cohort study in Australian women. BMJ Open. 2020;10(2): e031804.

    Article  PubMed  PubMed Central  Google Scholar 

  14. Mello AA, Domingos NA, Miyazaki MC. Improvement in quality of life and self-esteem after breast reduction surgery. Aesthetic Plast Surg. 2010;34(1):59–64.

    Article  PubMed  Google Scholar 

  15. Dreher R, Blaya C, Tenorio JL, Saltz R, Ely PB, Ferrao YA. Quality of life and aesthetic plastic surgery: a systematic review and meta-analysis. Plast Reconstr Surg Glob Open. 2016;4(9): e862.

    Article  PubMed  PubMed Central  Google Scholar 

  16. Sandman L, Hansson E. An ethics analysis of the rationale for publicly funded plastic surgery. BMC Med Ethics. 2020;21(1):94.

    Article  PubMed  PubMed Central  Google Scholar 

  17. Abdiu A, Elander A, Gerdin B, Hedenbro J, Ringberg A, Troëng T, Wickman M. Bröstreduktionsplastik—bröstförminskade kirurgi vid stor byst. Rapport från experttgruppen för plastikkirurgi: Sverges Kommuner och Landsting; 2008.

  18. Loughry CW, Sheffer DB, Price TE, Einsporn RL, Bartfai RG, Morek WM, Meli NM. Breast volume measurement of 598 women using biostereometric analysis. Ann Plast Surg. 1989;22(5):380–5.

    Article  CAS  PubMed  Google Scholar 

  19. Atterhem H, Holmner S, Janson PE. Reduction mammaplasty: symptoms, complications, and late results. A retrospective study on 242 patients. Scand J Plast Reconstr Surg Hand Surg. 1998;32(3):281–6.

    Article  CAS  PubMed  Google Scholar 

  20. Sigurdson LJ, Kirkland SA. Breast volume determination in breast hypertrophy: an accurate method using two anthropomorphic measurements. Plast Reconstr Surg. 2006;118(2):313–20.

    Article  CAS  PubMed  Google Scholar 

  21. Sacchini V, Luini A, Tana S, Lozza L, Galimberti V, Merson M, Agresti R, Veronesi P, Greco M. Quantitative and qualitative cosmetic evaluation after conservative treatment for breast cancer. Eur J Cancer. 1991;27(11):1395–400.

    Article  CAS  PubMed  Google Scholar 

  22. Schnur PL. Reduction mammaplasty-the schnur sliding scale revisited. Ann Plast Surg. 1999;42(1):107–8.

    Article  CAS  PubMed  Google Scholar 

  23. Hansson E, Eriksson M, Hallberg H, Jepsen C, Jivegård L, Liljegren A, Petzold M, Svensson M, Widmark-Jensen E, Wärnberg F et al. Effectiveness and safety of breast reduction surgery, compared with no surgery, in women with symptomatic breast hypertrophy. Regional activity-based HTA 2021:121. Gothenburg: Västra Götalandsregionen, Sahlgrenska Universitetssjukhuset, HTA-centrum: 2021.

  24. Moher D, Shamseer L, Clarke M, Ghersi D, Liberati A, Petticrew M, Shekelle P, Stewart LA, Group P-P. Preferred reporting items for systematic review and meta-analysis protocols (PRISMA-P) 2015 statement. Syst Rev. 2015;4:1.

    Article  PubMed  PubMed Central  Google Scholar 

  25. Guyatt GH, Oxman AD, Kunz R, Brozek J, Alonso-Coello P, Rind D, Devereaux PJ, Montori VM, Freyschuss B, Vist G, et al. GRADE guidelines 6. Rating the quality of evidence—imprecision. J Clin Epidemiol. 2011;64(12):1283–93.

    Article  PubMed  Google Scholar 

  26. Guyatt GH, Oxman AD, Kunz R, Woodcock J, Brozek J, Helfand M, Alonso-Coello P, Falck-Ytter Y, Jaeschke R, Vist G, et al. GRADE guidelines: 8. Rating the quality of evidence—indirectness. J Clin Epidemiol. 2011;64(12):1303–10.

    Article  PubMed  Google Scholar 

  27. Guyatt GH, Oxman AD, Kunz R, Woodcock J, Brozek J, Helfand M, Alonso-Coello P, Glasziou P, Jaeschke R, Akl EA, et al. GRADE guidelines: 7. Rating the quality of evidence—inconsistency. J Clin Epidemiol. 2011;64(12):1294–302.

    Article  PubMed  Google Scholar 

  28. Guyatt GH, Oxman AD, Montori V, Vist G, Kunz R, Brozek J, Alonso-Coello P, Djulbegovic B, Atkins D, Falck-Ytter Y, et al. GRADE guidelines: 5. Rating the quality of evidence—publication bias. J Clin Epidemiol. 2011;64(12):1277–82.

    Article  PubMed  Google Scholar 

  29. Assessment of methods in health care and social services—a handbook The Swedish Agency for Health Technology Assessment and Assessment of Social Services 2018. Stockholm, Sweden.

  30. Guyatt GH, Oxman AD, Vist GE, Kunz R, Falck-Ytter Y, Alonso-Coello P, Schunemann HJ, Group GW. GRADE: an emerging consensus on rating quality of evidence and strength of recommendations. BMJ. 2008;336(7650):924–6.

    Article  PubMed  PubMed Central  Google Scholar 

  31. Iwuagwu OC, Walker LG, Stanley PW, Hart NB, Platt AJ, Drew PJ. Randomized clinical trial examining psychosocial and quality of life benefits of bilateral breast reduction surgery. Br J Surg. 2006;93(3):291–4.

    Article  CAS  PubMed  Google Scholar 

  32. Fairchild B, Wei S, Bartz-Kurycki M, Rose JF, Greives MR. The Influence of obesity on outcomes after pediatric reduction mammaplasty: a retrospective analysis of the pediatric national surgical quality improvement program-pediatric database. Ann Plast Surg. 2020;85(6):608–11.

    Article  CAS  PubMed  Google Scholar 

  33. Nelson JA, Fischer JP, Chung CU, West A, Tuggle CT, Serletti JM, Kovach SJ. Obesity and early complications following reduction mammaplasty: an analysis of 4545 patients from the 2005–2011 NSQIP datasets. J Plast Surg Hand Surg. 2014;48(5):334–9.

    Article  PubMed  Google Scholar 

  34. Saariniemi KM, Sintonen H, Kuokkanen HO. The improvement in quality of life after breast reduction is comparable to that after major joint replacement. Scand J Plast Reconstr Surg Hand Surg. 2008;42(4):194–8.

    Article  PubMed  Google Scholar 

  35. Walters SJ, Brazier JE. Comparison of the minimally important difference for two health state utility measures: EQ-5D and SF-6D. Qual Life Res. 2005;14(6):1523–32.

    Article  PubMed  Google Scholar 

  36. Sabino Neto M, Dematte MF, Freire M, Garcia EB, Quaresma M, Ferreira LM. Self-esteem and functional capacity outcomes following reduction mammaplasty. Aesthet Surg J. 2008;28(4):417–20.

    Article  PubMed  Google Scholar 

  37. Freire M, Neto MS, Garcia EB, Quaresma MR, Ferreira LM. Functional capacity and postural pain outcomes after reduction mammaplasty. Plast Reconstr Surg. 2007;119(4):1149–56.

    Article  CAS  PubMed  Google Scholar 

  38. Shakespeare V, Postle K. A qualitative study of patients’ views on the effects of breast-reduction surgery: a 2-year follow-up survey. Br J Plast Surg. 1999;52(3):198–204.

    Article  CAS  PubMed  Google Scholar 

  39. Iwuagwu OC, Stanley PW, Platt AJ, Drew PJ, Walker LG. Effects of bilateral breast reduction on anxiety and depression: results of a prospective randomised trial. Scand J Plast Reconstr Surg Hand Surg. 2006;40(1):19–23.

    Article  CAS  PubMed  Google Scholar 

  40. Araujo CD, Veiga DF, Hochman BS, Abla LE, Oliveira AC, Novo NF, Veiga-Filho J, Ferreira LM. Cost-utility of reduction mammaplasty assessed for the Brazilian public health system. Aesthet Surg J. 2014;34(8):1198–204.

    Article  PubMed  Google Scholar 

  41. Beraldo FN, Veiga DF, Veiga-Filho J, Garcia ES, Vilas-Boas GS, Juliano Y, Sabino-Neto M, Ferreira LM. Sexual function and depression outcomes among breast hypertrophy patients undergoing reduction mammaplasty: a randomized controlled trial. Ann Plast Surg. 2016;76(4):379–82.

    Article  CAS  PubMed  Google Scholar 

  42. Andrade AC, Veiga DF, Aguiar IC, Juliano Y, Sabino-Neto M, Ferreira LM. Outcomes analysis of breast reduction in Brazilian women using the BREAST-Q(R) questionnaire: a cross-sectional controlled study. Clinics (Sao Paulo). 2018;73: e313.

    Article  Google Scholar 

  43. Hermans BJ, Boeckx WD, De Lorenzi F, van der Hulst RR. Quality of life after breast reduction. Ann Plast Surg. 2005;55(3):227–31.

    Article  CAS  PubMed  Google Scholar 

  44. Spector JA, Singh SP, Karp NS. Outcomes after breast reduction: does size really matter? Ann Plast Surg. 2008;60(5):505–9.

    Article  CAS  PubMed  Google Scholar 

  45. Hansson E, Manjer J, Ringberg A. Reliability of plastic cups to measure breast volume. J Plast Surg Hand Surg. 2014;48(4):254–8.

    Article  PubMed  Google Scholar 

  46. Choppin SB, Wheat JS, Gee M, Goyal A. The accuracy of breast volume measurement methods: a systematic review. Breast. 2016;28:121–9.

    Article  CAS  PubMed  Google Scholar 

  47. Ringberg A, Bageman E, Rose C, Ingvar C, Jernstrom H. Of cup and bra size: reply to a prospective study of breast size and premenopausal breast cancer incidence. Int J Cancer. 2006;119(9):2242–3; author reply 2244.

    Article  CAS  PubMed  Google Scholar 

  48. Winter R, Haug I, Lebo P, Grohmann M, Reischies FMJ, Cambiaso-Daniel J, Tuca A, Rienmuller T, Friedl H, Spendel S, et al. Standardizing the complication rate after breast reduction using the Clavien–Dindo classification. Surgery. 2017;161(5):1430–5.

    Article  PubMed  Google Scholar 

  49. Simpson AM, Donato DP, Kwok AC, Agarwal JP. Predictors of complications following breast reduction surgery: A National Surgical Quality Improvement Program study of 16,812 cases. J Plast Reconstr Aesthet Surg. 2019;72(1):43–51.

    Article  PubMed  Google Scholar 

  50. Bond J, Duncan J, Sattar A, Boanas A, Mason T, O’Kane S, Ferguson M. Maturation of the human scar: an observational study. Plast Reconstr Surg. 2008;121(5):1650–8.

    Article  CAS  PubMed  Google Scholar 

  51. Beard D, Cooper C, Rombach I, Rees J, Wartolowska K, Cummings N, Carr A. Accounting for the placebo effect of surgery in surgical trials? Trials. 2013. https://doi.org/10.1186/1745-6215-14-S1-P11.

    Article  PubMed  PubMed Central  Google Scholar 

  52. Abdelgadir J, Ong EW, Abdalla SM, Hunting JC, Diab MM, Haglund MM, Goodwin CR, Nelli A, Gulur P. Demographic factors associated with patient-reported outcome measures in pain management. Pain Phys. 2020;23(1):17–24.

    Google Scholar 

  53. Pluvy I, Panouilleres M, Garrido I, Pauchot J, Saboye J, Chavoin JP, Tropet Y, Grolleau JL, Chaput B. Smoking and plastic surgery, part II. Clinical implications: a systematic review with meta-analysis. Ann Chir Plast Esthet. 2015;60(1):e15-49.

    Article  CAS  PubMed  Google Scholar 

  54. Klassen A, Jenkinson C, Fitzpatrick R, Goodacre T. Patients’ health related quality of life before and after aesthetic surgery. Br J Plast Surg. 1996;49(7):433–8.

    Article  CAS  PubMed  Google Scholar 

  55. Barone M, Cogliandro A, Salzillo R, Tambone V, Persichetti P. The role of appearance: definition of appearance-pain (app-pain) and systematic review of patient-reported outcome measures used in literature. Aesthetic Plast Surg. 2018;42(5):1399–409.

    Article  CAS  PubMed  Google Scholar 

  56. Cook SA, Rosser R, Salmon P. Is cosmetic surgery an effective psychotherapeutic intervention? A systematic review of the evidence. J Plast Reconstr Aesthet Surg. 2006;59(11):1133–51.

    Article  PubMed  Google Scholar 

  57. Saariniemi KM, Joukamaa M, Raitasalo R, Kuokkanen HO. Breast reduction alleviates depression and anxiety and restores self-esteem: a prospective randomised clinical trial. Scand J Plast Reconstr Surg Hand Surg. 2009;43(6):320–4.

    Article  PubMed  Google Scholar 

  58. Saariniemi KM, Kuokkanen HO, Rasanen P, Sintonen H, Tukiainen EJ. The cost utility of reduction mammaplasty at medium-term follow-up: a prospective study. J Plast Reconstr Aesthet Surg. 2012;65(1):17–21.

    Article  PubMed  Google Scholar 

  59. Taylor AJ, Tate D, Brandberg Y, Blomqvist L. Cost-effectiveness of reduction mammaplasty. Int J Technol Assess Health Care. 2004;20(3):269–73.

    Article  PubMed  Google Scholar 

  60. Thoma A, Kaur MN, Tsoi B, Ziolkowski N, Duku E, Goldsmith CH. Cost-effectiveness analysis parallel to a randomized controlled trial comparing vertical scar reduction and inverted T-shaped reduction mammaplasty. Plast Reconstr Surg. 2014;134(6):1093–107.

    Article  CAS  PubMed  Google Scholar 

  61. Tykka E, Rasanen P, Tukiainen E, Asko-Seljavaara S, Heikkila A, Sintonen H, Roine RP. Cost-utility of breast reduction surgery—a prospective study. J Plast Reconstr Aesthet Surg. 2010;63(1):87–92.

    Article  CAS  PubMed  Google Scholar 

  62. Janik PE, Charytonowicz D, Miszczyk J, Charytonowicz M. Female sexual function and sexual well-being before and after breast reduction: a pilot cross-sectional study and review of literature. Ann Plast Surg. 2019;82(6):609–13.

    Article  CAS  PubMed  Google Scholar 

  63. Button KS, Kounali D, Thomas L, Wiles NJ, Peters TJ, Welton NJ, Ades AE, Lewis G. Minimal clinically important difference on the Beck Depression Inventory–II according to the patient’s perspective. Psychol Med. 2015;45(15):3269–79.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  64. Lemay KR, Tulloch HE, Pipe AL, Reed JL. Establishing the minimal clinically important difference for the hospital anxiety and depression scale in patients with cardiovascular disease. J Cardiopulm Rehabil Prev. 2019;39(6):E6–11.

    Article  PubMed  Google Scholar 

  65. Krychman M, Rowan CG, Allan BB, Durbin S, Yacoubian A, Wilkerson D. Effect of single-session, cryogen-cooled monopolar radiofrequency therapy on sexual function in women with vaginal laxity: the VIVEVE I Trial. J Womens Health (Larchmt). 2018;27(3):297–304.

    Article  Google Scholar 

  66. Kelly AM. Does the clinically significant difference in visual analog scale pain scores vary with gender, age, or cause of pain? Acad Emerg Med. 1998;5(11):1086–90.

    Article  CAS  PubMed  Google Scholar 

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Open access funding provided by University of Gothenburg. The study was funded by grants from the federal government under the ALF agreement (ALFGBG-724171). The source of funding had no role in the design of the study and collection, analysis, and interpretation of data and in writing the manuscript.

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EWJ made substantial contribution to the design of the study and acquisition and analysis of data and drafted the manuscript. ME made substantial contribution to the design of the study and the acquisition and analysis of data and revised the manuscript. HH made substantial contribution to the design of the study and the acquisition and analysis of data and revised the manuscript. CJ made substantial contribution to the design of the study and the acquisition and analysis of data and revised the manuscript. LJ made substantial contribution to the design of the study and the acquisition and analysis of data and revised the manuscript. AL made substantial contribution to the design of the study and the acquisition and analysis of data and revised the manuscript. MP made substantial contribution to the design of the study and the acquisition and analysis of data and revised the manuscript. MS made substantial contribution to the design of the study and the acquisition and analysis of data and revised the manuscript. FW made substantial contribution to the design of the study and the acquisition and analysis of data and revised the manuscript. ME made substantial contribution to the design of the study and the acquisition and analysis of data and revised the manuscript. SB made substantial contribution to the design of the study and the acquisition and analysis of data and revised the manuscript. EH made substantial contribution to the design of the study and the acquisition and analysis of data and revised the manuscript. All authors read and approved the final manuscript.

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Supplementary Information

Additional file 1.

Search strategies.

Additional file 2.

Excluded studies.

Additional file 3.

Complications.

Additional file 4.

Experience of breast reduction.

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Widmark-Jensen, E., Bernhardsson, S., Eriksson, M. et al. A systematic review and meta-analysis of risks and benefits with breast reduction in the public healthcare system: priorities for further research. BMC Surg 21, 343 (2021). https://doi.org/10.1186/s12893-021-01336-7

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