From: Prediction model for irreversible intestinal ischemia in strangulated bowel obstruction
Resection group (n = 42) | Non-resection group (n = 41) | P-value | |
---|---|---|---|
Patient characteristics | |||
Age | 75.5 (21–94) | 72 (26–96) | 0.433 |
Male sex | 15 (35.7%) | 22 (53.7%) | 0.1 |
Body mass index (kg/m2) | 19.9 (15.0–27.1) | 20.4 (13.5–27.5) | 0.909 |
Previous history of laparotomy | 32 (76.2%) | 31 (75.6%) | 0.951 |
Vital signs | |||
Systolic blood pressure < 100 mmHg | 4 (9.5%) | 1 (2.4%) | 0.187 |
Body temperature > 38 °C | 3 (7.1%) | 3 (7.3%) | 0.651 |
Blood gas analysis | |||
pH | 7.429 (7.219–7.575) | 7.438 (7.23–7.542) | 0.31 |
Base excess (mEq/L) | −1.7 (− 14.7 to 6.3) | 0.35 (− 17.8 to 8.5) | 0.006 |
Laboratory data | |||
WBC (/µL) | 12,550 (4850–34,000) | 9,100 (3060–20,600) | < 0.001 |
CRP (mg/dL) | 0.73 (0.02–28.84) | 0.27 (0.02–33.16) | 0.36 |
Hb (g/dL) | 13.2 (7.4–20.6) | 13.8 (8.3–22.1) | 0.689 |
Plt (×104/µL) | 25.7 (8.2–74.5) | 22.6 (7.6–48.2) | 0.515 |
Alb (g/dL) | 3.5 (2.1–5.0) | 3.7 (1.7–4.5) | 0.45 |
Bil (mg/dL) | 0.85 (0.2–1.7) | 0.8 (0.3–7.0) | 0.416 |
Cre (mg/dL) | 0.735 (0.30–5.31) | 0.75 (0.31–2.84) | 0.743 |
CK (IU/L) | 75 (20–1048) | 81 (10–1156) | 0.996 |
CT findings | |||
Presence of peritoneal fluid | 42 (100%) | 30 (73.2%) | < 0.001 |
Presence of emphysema | 1 (2.4%) | 0 (0%) | 0.506 |
Poor or no contrast bowel wall enhancementa | 22 (56.4%) | 6 (17.1%) | < 0.001 |
CT value of peritoneal fluid (HU) | 21.4 (10.2–77.0) | 15.1 (6.7–32.5) | < 0.001 |
Operative factors | |||
Laparoscopic surgery | 7 (16.7%) | 15 (36.6%) | 0.04 |
Presence of hemorrhagic peritoneal fluid | 37 (88.1%) | 14 (34.1%) | < 0.001 |
Operation time (min) | 104 (53–291) | 74 (36–143) | 0.002 |
Blood loss (mL) | 100 (10–2425) | 10 (10–1570) | < 0.001 |
Pathological findings | |||
Ischemia | 3 (7.1%) | – | |
Mucosal hemorrhagic necrosis | 9 (21.4%) | – | |
Transluminal hemorrhagic necrosis | 30 (71.4%) | – |