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  • Title: Robotic preperitoneal extended totally extraperitoneal (R-PeTEP) technique description for ventral hernia repair: preliminary results.
    Author: Arias-Espinosa L, Claus CM, Malcher F, Valenzuela Alpuche HA.
    Journal: Updates Surg; 2024 Nov; 76(7):2715-2722. PubMed ID: 39297928.
    Abstract:
    PURPOSE: Transabdominal preperitoneal (TAPP) ventral hernia repair requires incising the peritoneum from within the abdominal cavity, developing a flap, and placing a reinforcing mesh after fascial closure from the preperitoneal space. We present a novel adaptation to this technique that allows placement of preperitoneal mesh without entering the abdominal cavity. The robotic totally extra- and preperitoneal (R-PeTEP) access for ventral hernia repair is best suited for small to moderate sized ventral hernias with concomitant diastasis recti. METHODS: Our study is a retrospective review of all patients who underwent R-PeTEP from December 2022 to November 2023. A comprehensive description of the surgical technique is included. Patient demographics, hernia characteristics, as well as clinical outcomes are described. RESULTS: A total of 25 patients underwent R-PeTEP for ventral hernia repair with diastasis recti plication. The median age was 55 years (IQR 43.5-63) and 92% (n = 23) were male. The median ASA score was 2 (IQR 1-2) and the median BMI was 30.4 (IQR 29.3-32.8) with 64% (n = 16) percent having a BMI ≥ 30. Median hernia width was 3 cm (IQR 3-4), with a median diastasis recti width of 4 cm (IQR 2.6-4) and length of 15 cm (IQR 11.8-16). The median operative time was 120 min (IQR 116-134). All repairs were reinforced with permanent mesh. Sixty-eight percent of the patients (n = 17) were discharged on the same day. With a median follow-up of 30 days (IQR 16-107), 8% (n = 2) seromas, 16% (n = 4) developed clinically insignificant hematomas, and one patient (4%) developed ileus that was managed conservatively. CONCLUSION: This study establishes the feasibility and safety of R-PeTEP, which provides direct access to the preperitoneal space, avoiding disruption to the posterior rectus sheath, possibly reducing neurovascular bundle injuries, and omitting entry to the abdominal cavity. R-PeTEP facilitates wide flap creation for prosthetic overlap and allows for posterior plication of diastasis recti with little to no mesh fixation with overall excellent preliminary clinical outcomes.
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