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Erschienen in:
03.04.2024 | 2023 SAGES Oral
Clinical outcomes and costs of retromuscular and intraperitoneal onlay mesh techniques in robotic incisional hernia repair
Erschienen in: Surgical Endoscopy | Ausgabe 5/2024
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Background
This study aims to compare clinical outcomes and financial cost of intraperitoneal onlay mesh (IPOM) versus retromuscular (RM) repairs in robotic incisional hernia repairs (rIHR).
Methods
Patients who underwent either IPOM or RM elective rIHR from 2012 to 2022 were included. Demographics, operative details, postoperative outcomes, and hospital costs were directly compared.
Results
Sixty-nine IPOM and 55 RM were included. Age and body mass index (BMI) did not differ between both groups (IPOM vs RM: 59.3 ± 11.2 years vs. 57.5 ± 14 years, p = 0.423; BMI 34.1 ± 6.3 vs. BMI 33.2 ± 6.9, p = 0.435, respectively). Comorbidities and hernia characteristics were comparable. Extensive lysis of adhesions (> 30 min) was required more often in IPOM (18 vs. 6 in RM, p = 0.034). Defect closure was achieved in 100% of RM vs. 81.2% in IPOM (p < 0.001). Median (interquartile range) postoperative pain score was higher in RM than in IPOM [5(3–7) vs. 4(3–5), respectively, p = 0.006]. Median length of stay (0 day) and same-day discharge rate did not differ between groups (p = 0.598, p = 0.669, respectively). Six (8.7%) patients in the IPOM group versus one (1.8%) patient in the RM group were readmitted to hospital within 30 days postoperatively (p = 0.099). Perioperative complications were higher in IPOM (p = 0.011; 34.8% vs. 14.5% in RM) with higher Comprehensive Complication Index® morbidity scores [0(0–12.2) vs 0(0–0) in RM, p = 0.008)], Clavien–Dindo grade-II complications (8 vs 0 in RM, p = 0.009), and surgical site events (17 vs. 5 in RM, p = 0.024). Within a follow-up period of 57(± 28) months, recurrence rates were similar between both groups. Hospital costs did not differ between groups [IPOM: $9978 (7031–12,926) vs. RM: $8961(6701–11,222), p = 0.300]. Although postoperative complication costs were higher in IPOM ($2436 vs RM: $161, p = 0.020), total costs were comparable [IPOM: $12,415(8700–16,130) vs. RM: $9123(6789–11,457), p = 0.080].
Conclusion
Despite retromuscular repairs having lower postoperative complications than intraperitoneal onlay mesh repairs, both techniques offered encouraging results in robotic incisional hernia repair at a comparable total cost.