COMPARATIVE STUDY
JOURNAL ARTICLE
MULTICENTER STUDY

Intraperitoneal treatment of incisional and umbilical hernias using an innovative composite mesh: four-year results of a prospective multicenter clinical trial

J G Balique, S Benchetrit, J L Bouillot, J B Flament, C Gouillat, P Jarsaillon, M Lepère, G Mantion, J P Arnaud, E Magne, F Brunetti
Hernia: the Journal of Hernias and Abdominal Wall Surgery 2005, 9 (1): 68-74
15578245
Intraperitoneal positioning of conventional parietal mesh provides efficient reconstruction but causes visceral adhesion formation in 80-100% of the cases. The purpose of this clinical trial was to assess the performance and tolerance of a new generation of polyester mesh protected by a hydrophilic resorbable film. Eighty patients were included in a prospective multicenter clinical trial. Patients were treated for ventral hernia via an open approach (64%) or laparoscopically (36%). All meshes were implanted in a midline intraperitoneal location. The main objective was to evaluate the anti-adhesive capability of the mesh in relation to the viscera. In order to assess the absence of visceral adhesion objectively, an ultrasound (US) specific examination was initially validated (pre-operative prediction vs. per-operative findings) and then used during the follow-up. The usual clinical parameters were also collected to follow the patients on a period up to 4 years. Pre-operative US prediction vs. per-operative macroscopic findings: sensitivity 79%, overall accuracy 76%, negative predictive value 85%. After 12 months, 86% of the patients were ultrasonically adhesion free. Early post-operative complications were: seroma/hematoma (16%), subcutaneous infection (4%), cutaneous necrosis (1%) and occlusions (outside the mesh) (2.5%). No mortality was reported. Clinically, after 12-month follow-up, no complication related to post-operative adhesions to the mesh was noted: (occlusion 0%, fistula 0%). Late complications were: mesh sepsis (1%), new defects (4%) and recurrence (2.5%). Finally, 56 patients (75.7%) were clinically evaluated with a mean follow-up of 48+/-6 months. One direct recurrence was noted while six patients experienced new defect outside the mesh. No long-term severe complication such as occlusion or enterocutaneous fistula was observed. Based on a mean clinical follow-up of 4 years, the results of this prospective multicenter clinical trial demonstrate the safety and the efficiency of this composite mesh in the intraperitoneal treatment of incisional and umbilical hernia. In particular there was no early or long-term main complication due to the intraperitoneal location of the mesh.

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