Surgical interventions for Bertolotti’s syndrome: case report and review of unsatisfactory cases in the literature

Table 1 A review of surgical treatments for Bertolli’s syndrome with follow-up periods longer than 6 months

Intervention	Total cases	Age (y)	Type of LSTV^a	Follow-up period (months)	Study type	References
Pulsed radiofrequency denervation	4	51.0	II(A): 3 II(B): 1	11.2	Case report	Ryo Kanematsu (2020); Burnham (2010) [10]
OMRDP	97	48.2	I: 21 II: 67 III: 4 Normal: 5	19.6	Case series (3) Case report (12)	Jönsson (1989) [14]; Santavirta (1993) [12]; Jeffrey (2001); Miyoshi (2011); Ichihara (2004); Almeida (2009); Cuenca (2019); Babu (2017); Ugokwe (2008); Louie (2019); Reitsma (2002); Son (2021); Ju (2017); Weber (2011); Dhanjani (2021); Iwasaki (2017)
OMRDA	5	47.2	II(A): 4 II(B): 1	16.8	Case report	Kikuchi (2013) [17]; Malham (2013) [18]; Abe (1997) [20]
MIS microscopic tubular resection	8	43.6	II(A): 2	22.6	Case series Case report	Shibayama (2011) [11]; Li (2014) [19]
Endoscopic decompression	14	59.5	–	11	Case series	Heo (2019) [16]
Fusion	10	34.5	II(A): 8 III(A): 1 III(B): 1	94.2	Case series Case report (2)	Santavirta (1993) [12]; Ise (2016); Dhanjani (2021)

LSTV lumbosacral transitional vertebrae, OMRDP open microscopic, articulation resection or nerve decompression via posterior approach, MIS minimally invasive surgery, OMRDA open microscopic, articulation resection or nerve decompression via anterior approach
^aCastellvi classification; not all cases were classified in the included studies

ISSN: 1471-2482