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Research: A novel technique of robotic preperitoneal approach for Morgagni hernia repair

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Research: A novel technique of robotic preperitoneal approach for Morgagni hernia repair

Asian J Endosc Surg

. 2020 Nov 16. doi: 10.1111/ases.12897. Online ahead of print. https://pubmed.ncbi.nlm.nih.gov/33200531/

A novel technique of robotic preperitoneal approach for Morgagni hernia repair

Anna K Gergen 1John H Frankel 2Michael J Weyant 1Akshay Pratap 2Affiliations expand

Abstract

Introduction: Morgagni hernia (MH) is a rare, congenital diaphragmatic hernia. We developed a novel robotic-assisted technique to repair MH which enables dissection into the preperitoneal space, facilitating closure of the diaphragmatic defect and placement of a synthetic mesh.

Materials and surgical technique: Between August 2017 and August 2020, 8 consecutive patients with MH were repaired by robotic-assisted transabdominal preperitoneal (r-TAPP) approach. A preperitoneal plane is developed at the level of the falciform ligament and extended toward the diaphragmatic defect. The pocket is dissected inferior to the defect to allow 3 to 5 cm overlap of synthetic mesh. Excision of the hernia sac followed by closure of defect is performed. A synthetic mesh is deployed in the preperitoneal space with wide overlap. This technique using the robot provides superior optics and ergonomics for dissection while isolating the mesh from underlying viscera and avoiding the need for suturing or tacking of the mesh. Data of patients who underwent r-TAPP were reviewed. Mean operating time was 113 minutes. Mean pain visual analog scale score was 5/2 on post-operative days 1/7. Average hospital stay was 1.8 days. One patient developed superficial cellulitis related to the abdominal drain. There were no procedure-related complications, 30-day readmissions, or hernia recurrences at a mean follow-up of 10 months.

Discussion: A robotic-assisted preperitoneal approach is a novel, safe, and anatomically justified alternative technique for MH repair that may lead to improved post-operative outcomes.

Keywords: Morgagni hernia; preperitoneal; robotic repair.

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