• J. Am. Coll. Surg. · Dec 2012

    Comparative Study

    Modified hernia grading scale to stratify surgical site occurrence after open ventral hernia repairs.

    • Arielle E Kanters, David M Krpata, Jeffrey A Blatnik, Yuri M Novitsky, and Michael J Rosen.
    • Case Comprehensive Hernia Center, Department of Surgery, University Hospitals Case Medical Center, 11100 Euclid Ave, Cleveland, OH 44106, USA.
    • J. Am. Coll. Surg.. 2012 Dec 1;215(6):787-93.

    BackgroundThe lack of a universally accepted classification system for incisional hernia repair has led to inconsistent reporting of ventral hernia repairs, the inability to compare various series, and the lack of appropriate risk adjusted stratification systems to evaluate surgical outcomes. This study evaluates the Ventral Hernia Working Group's (VHWG) grading scale to accurately predict surgical site occurrence (SSO) after open ventral hernia repair.Study DesignAll open ventral hernia repairs performed at Case Medical Center were evaluated from a prospectively maintained database. Hernias were graded according to the VHWG grading scale, and patients were evaluated for the incidence of a SSO. The relationships between comorbidities, hernia defect characteristics, CDC wound classification, and SSOs were also evaluated.ResultsThere were 299 patients who met inclusion criteria and were available for follow-up. Surgical site occurrence was identified in 14% grade 1, 29% grade 2, 38% grade 3, and 49% grade 4 patients (p = 0.003). However, grade 3 patients with only a previous wound infection had a significantly different incidence of SSO than those with a violation of the gastrointestinal (GI) tract and were actually more similar to grade 2 patients. Likewise, violation of the GI tract had a similar rate of SSO to grade 4 patients. Finally, CDC wound classification also accurately predicted SSO across all levels of contamination.ConclusionsModification of the VHWG grading scale into a 3-level grading system would significantly improve the accuracy of predicting SSO after open ventral hernia repair. Grade 2 patients should include those with comorbidities and previous wound infections. Grade 3 patients should be stratified based on CDC definitions of wound contamination. This modified grading scale would significantly improve outcomes reporting after open ventral hernia repair.Copyright © 2012 American College of Surgeons. Published by Elsevier Inc. All rights reserved.

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