18 August 2025 : Database Analysis
Surgical Outcomes in Laparoscopic vs Open Diverting Colostomy for Radiation-Related Rectovaginal Fistula
Zhen Liu
BCDF 1, Lu Ren ACEF 2, Jinliang Zhang BEF 1, Dong Guo ABCEF 3*
DOI: 10.12659/MSM.947487
Med Sci Monit 2025; 31:e947487
Table 1 Baseline characteristics.
| Laparoscopic (n=28) | Open (n=38) | P value | |
|---|---|---|---|
| Age (years) | 60.4 ±11.2 | 63.6±9.1 | 0.20 |
| BMI (kg/m) | 22.32±3.39 | 22.82±3.7 | 0.57 |
| Smoking | 0.49 | ||
| Yes | 1 | 3 | |
| No | 27 | 35 | |
| ASA Classification | 0.67 | ||
| I–II | 14 | 17 | |
| III–IV | 14 | 21 | |
| Comorbidities (Charlson score) | 0.96 | ||
| 0–2 | 19 | 26 | |
| 3–5 | 9 | 12 | |
| Primary disease | 0.18 | ||
| Cervical cancer | 15 | 12 | |
| Endometrial cancer | 5 | 8 | |
| Rectal cancer | 8 | 18 | |
| Number of previous operations | 0.94 | ||
| 0 | 1 | 1 | |
| 1 | 24 | 32 | |
| >1 | 3 | 5 | |
| Radiation exposure | |||
| Brachy and teletherapy | 24 | 30 | 0.62 |
| Teletherapy only | 0 | 1 | |
| Brachytherapy only | 4 | 7 | |
| Prolonged exposure time (>6 weeks) | 22 | 28 | 0.38 |
| Reduced exposure time (≤6 weeks) | 6 | 10 | |
| Fistula location | 0.82 | ||
| High | 18 | 22 | |
| Midzone | 10 | 16 | |
| Fistula size | 0.76 | ||
| Small | 8 | 9 | |
| Medium | 19 | 28 | |
| Large | 1 | 1 | |
| Sphincter involvement | 0.57 | ||
| Yes | 7 | 12 | |
| No | 21 | 26 | |
| RPSAS symptom scores (median, range) | |||
| Rectal pain | 4 (1–7) | 4 (1–8) | 0.43 |
| Rectal bleeding | 2 (1–7) | 2 (1–6) | 0.51 |
| Tenesmus | 6.5 (3–9) | 7 (4–9) | 0.26 |
| Perineal mucous discharge | 6 (3–9) | 5.5 (3–8) | 0.11 |