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Ulf Gerdtham. Foto.

Ulf Gerdtham

Professor

Ulf Gerdtham. Foto.

Cost-effectiveness analysis of negative pressure wound therapy dressings after open inguinal vascular surgery - The randomised INVIPS-Trial

Författare

  • Robert Svensson-Björk
  • Sanjib Saha
  • Stefan Acosta
  • Ulf-G Gerdtham
  • Julien Hasselmann
  • Giuseppe Asciutto
  • Moncef Zarrouk

Summary, in English

AIM: While the scientific evidence in favour of negative pressure wound therapy (NPWT) dressings on sutured incisions in the prevention of surgical site infections (SSIs) has increased, the cost-effectiveness after vascular surgery has not been evaluated. The aim of this study was to evaluate the cost-effectiveness of NPWT compared to standard dressings for the prevention of SSIs after open inguinal vascular surgery.

MATERIALS AND METHODS: Patient data were retrieved from the randomised INVIPS-trial's open arm, which included patients randomised to either NPWT or standard dressings. The patients were surveyed for SSIs for 90 days postoperatively. The patients' individual cost data were included and analysed from a healthcare perspective. The patients' quality of life was measured using the Vascuqol-6 questionnaire pre- and 30 days postoperatively. Cost-effectiveness of NPWT was determined by decreased or equal total costs and a significant reduction in SSI incidence.

RESULTS: The mean vascular procedure-related costs at 90 days were €16,621 for patients treated with NPWT (n = 59) and €16,285 for patients treated with standard dressings (n = 60), p = 0.85. The SSI incidence in patients treated with NPWT was 11.9% (n = 7/59) compared to 30.0% (n = 18/60) with standard dressings, p = 0.015. This corresponds to an increased mean cost of €1,853 per SSI avoided. The cost-effectiveness plane of incremental vascular procedure-related costs and difference in Vascuqol-6 score showed that 42% of estimates were in the quadrant where NPWT was dominant.

CONCLUSION: NPWT is considered cost-effective over standard dressings in patients undergoing open inguinal vascular surgery due to reduced SSI incidence at no higher costs.

Avdelning/ar

  • Oftalmologi (Malmö)
  • EpiHealth: Epidemiology for Health
  • Hälsoekonomi
  • Nationalekonomiska institutionen
  • Vaskulära sjukdomar - kliniska studier
  • Kardiovaskulär forskning - immunitet och ateroskleros

Publiceringsår

2021

Språk

Engelska

Sidor

95-101

Publikation/Tidskrift/Serie

Journal of Tissue Viability

Volym

30

Issue

1

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Economics
  • Other Medical Sciences not elsewhere specified

Nyckelord

  • negative pressure wound therapy
  • cost-effectiveness analysis
  • Prevention
  • Surgical site infection
  • Vascular surgery

Status

Published

Projekt

  • Prevention of surgical site infections after vascular surgery – multicenter randomized controlled trials

Forskningsgrupp

  • Ophthalmology (Malmö)
  • Health Economics
  • Vascular Diseases - Clinical Research
  • Cardiovascular Research - Immunity and Atherosclerosis

ISBN/ISSN/Övrigt

  • ISSN: 0965-206X