Clinical Heterogeneity in Inguinal Hernia Repair and the Need for Tailored Management: A Retrospective Observational Study of Postoperative Complications and Hospitalization Duration

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Background/Objectives: The study aims to provide a comprehensive understanding of personalized treatment for patients with inguinal hernias at our hospital, focusing on complications, recurrence rates, and hospitalization duration to optimize treatment outcomes. Methods: Our center performs inguinal hernia surgery using an algorithm tailored to individual clinical conditions, developed in collaboration with the anesthesiology department. We retrospectively reviewed outcomes of open, totally extraperitoneal (TEP), and transabdominal preperitoneal (TAPP) approaches, with all procedures performed by a single surgeon. Results: A total of 229 patients (213 males; age range, 24–92 years; median age, 69 years) underwent inguinal hernia repair at Busan National University Hospital between January 2018 and April 2024. Patients in the open group had higher age and comorbidity burden (age/ASA American Society of Anesthesiologists physical status classification: open 74/3.5 vs. TAPP 70/2.0 vs. TEP 68/2.0; p = 0.036/< 0.001). There were no statistically significant differences in intraoperative complications (p = 1.000); however, the conversion rate was slightly higher in the TEP group (TEP 2 vs. TAPP 1). Length of hospital stay was longest in the TAPP group (open 3.77 days vs. TAPP 3.98 days vs. TEP 3.27 days; p = 0.817), while postoperative complication rates did not differ significantly among groups (overall complications: open 15.4% vs. TAPP 6.2% vs. TEP 4.3%; p = 0.100). Conclusions: Laparoscopic surgery is recommended when general anesthesia is feasible, with TEP preferred for patients without previous surgeries and TAPP for those with preperitoneal space (PPS) access challenges due to previous surgeries or radiation therapy. Open surgery is suitable for patients unable to undergo general anesthesia. Anesthesia and surgical approaches should be based on patient preferences and individual clinical conditions.

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