The role of negative pressure wound therapy in the treatment of poststernotomy mediastinitis in Asians: A single‐center, retrospective cohort study

Author:

Wang Wei‐Ting123ORCID,Lee Jui‐Min24,Chiang Kuan‐Ju5,Chiou Shih‐Hwa23,Wang Chin‐Tien23,Wu Szu‐Hsien246

Affiliation:

1. Department of Internal Medicine, Division of Cardiology Taipei Veterans General Hospital Taipei Taiwan

2. School of Medicine National Yang Ming Chiao Tung University Taipei Taiwan

3. Institute of Clinical Medicine National Yang Ming Chiao Tung University Taipei Taiwan

4. Department of Surgery, Division of Plastic and Reconstructive Surgery Taipei Veterans General Hospital Taipei Taiwan

5. Division of Plastic Surgery Taipei Medical University – Shuang Ho Hospital New Taipei City Taiwan

6. Department of Surgery, National Defense Medical Center Division of Plastic Surgery Taipei Taiwan

Abstract

AbstractIntroductionPoststernotomy mediastinitis (PSM) is a critical and life‐threatening complication that can arise after cardiac surgery. The aim of this study was to evaluate and compare the outcomes of negative pressure wound therapy (NPWT) and conventional methods in the management of mediastinitis following heart surgery with a focus on Asian populations.MethodsFor this retrospective study, we included and evaluated a total of 34 patients who had undergone cardiac operations between January 2011 and September 2021 and developed PSM. The patients were divided into two groups, the NPWT group (n = 16, 47.1%) and the conventional treatment group (n = 18, 52.9%), and compared.ResultsThe two groups showed no significant differences in terms of patient characteristics, PSM wound classification based on the El Oakley classification, and wound closure methods, but there was a higher incidence of diabetes mellitus in the NPWT group. With regard to mediastinal cultures, a higher prevalence of Staphylococcus epidermidis was observed in the NPWT group. However, we found no significant differences between the two groups regarding the time interval from diagnosis to wound closure, hospitalization duration, and re‐exploration rate. Notably, the NPWT group exhibited a significantly higher in‐hospital mortality rate than the conventional treatment group (p = 0.024).ConclusionsOur findings suggest that the use of NPWT might not lead to improved medical outcomes for patients with PSM when compared to conventional treatment methods. As a result, it becomes imperative to exercise great care when choosing patients for NPWT. To obtain more definitive and conclusive results and identify the most appropriate cases for NPWT, conducting larger randomized clinical trials is necessary.

Publisher

Wiley

Subject

General Medicine

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