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  • Title: S041-Trends and short-term outcomes of three approaches to minimally invasive repair of small ventral hernias. An ACHQC analysis.
    Author: Vargas M, Olson MA, Read TE, Al-Mansour MR.
    Journal: Surg Endosc; 2023 Jun; 37(6):4885-4894. PubMed ID: 36163562.
    Abstract:
    INTRODUCTION: Different approaches and mesh positions are used for minimally invasive ventral hernia repair (MIS-VHR). Our aim was to evaluate the trends and short-term outcomes of intraperitoneal onlay mesh (IPOM), preperitoneal, and retromuscular repairs for small ventral hernias. METHODS: We conducted a retrospective cohort study using the Abdominal Core Health Quality Collaborative (ACHQC). We included elective MIS-VHR in adults with hernia defect width < = 6 cm from 2012 to 2021. We compared patient/hernia characteristics, trends, and short-term outcomes between IPOM, preperitoneal, and retromuscular repairs. Inverse probability of treatment weighting (IPTW) was used to balance baseline characteristics. RESULTS: A total of 7261 patients were included (IPOM = 4484, preperitoneal = 1829, retromuscular = 948). Preperitoneal repair was associated with lower rates of incisional (preperitoneal = 37%, IPOM = 63%, retromuscular = 73%) and recurrent hernias (preperitoneal = 11%, IPOM = 21%, retromuscular = 22%) compared to IPOM and retromuscular. Median defect width was 3.0, 2.0, and 4.0 cm for IPOM, preperitoneal, and retromuscular, respectively. There has been a progressive increase in the proportion of preperitoneal and retromuscular repairs over time (10% in 2013-53% in 2021 of all MIS-VHR). Robotic approach was more frequently utilized in preperitoneal and retromuscular (both > 85%) compared to IPOM (47%). Transversus abdominis release was performed in 14% of retromuscular repairs. After IPTW, no clinically significant differences were noted in the short-term outcomes between IPOM versus preperitoneal. Retromuscular repairs were associated with higher risk of 30-day reoperation (OR = 3.54, 95%CI [1.67, 7.5] and OR = 5.29, 95%CI [1.23, 22.74]) compared to IPOM and preperitoneal repairs, respectively, and higher risk of 30-day readmission compared to preperitoneal repairs (OR = 2.6, 95%CI [2.6, 6.4]). CONCLUSION: Based on ACHQC data, preperitoneal and retromuscular approaches for MIS-VHR of small hernias have increased over time and are primarily performed robotically. Transversus abdominis release was performed in 14% of retromuscular repairs of these small hernias. Retromuscular repairs were associated with higher 30-day readmission and reoperation rates compared to the other approaches.
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