SynthesisHernia : the journal of hernias and abdominal wall surgery2026
Does mesh fixation reduce recurrence after laparoscopic inguinal hernia repair? A systematic review and meta-analysis.
Synthesis in Hernia : the journal of hernias and abdominal wall surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe role of mesh fixation during laparoscopic inguinal hernia repair remains controversial, particularly regarding its impact on recurrence and postoperative pain. This study aimed to compare the efficacy and safety of mesh fixation versus non-fixation in laparoscopic inguinal hernia repair.
methodsA systematic review and meta-analysis of randomized controlled trials (RCTs) was conducted following PRISMA 2020 guidelines. Databases including PubMed, Embase, Scopus, and Web of Science were searched from inception to January 2026. Adult patients undergoing laparoscopic inguinal hernia repair (TAPP or TEP) with mesh fixation versus non-fixation were included. The primary outcome was hernia recurrence. Secondary outcomes included early postoperative pain, chronic postoperative pain at six months, and mesh infection. Random-effects models were used to calculate pooled effect sizes. PROSPERO: CRD420261337928.
resultsTwenty RCTs comprising 1,537 patients (771 fixation vs. 766 non-fixation) were included. Mesh fixation was not associated with a significant reduction in hernia recurrence (RR = 0.58, 95% CI: 0.19-1.76; I² = 0%). Pooled analysis of early postoperative pain showed no statistically significant differences between groups; however, interpretation was limited by substantial heterogeneity across studies (MD = 0.24, 95% CI: -0.15 to 0.63; I² = 90.5%). No significant differences were observed in mesh infection rates (RR = 0.80, 95% CI: 0.18-3.59; I² = 17.9%). However, fixation was associated with increased chronic postoperative pain (MD = 0.27, 95% CI: 0.13-0.40; I² = 8.4%).
conclusionsAvailable evidence suggests that mesh non-fixation yields comparable short-term outcomes and may reduce chronic postoperative pain; however, current data remain insufficient to definitively exclude clinically meaningful differences in recurrence risk due to the low number of recurrence events reported across studies.
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