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Perioperative Safety Evaluation of Gastrointestinal Surgery in Patients With Prosthetic Valves

Ling Chen1, Jie Sun2, Hao Chen3

  • 1Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China. drlchen@163.com.

The Heart Surgery Forum
|April 29, 2022
PubMed

Insights

Patients with simple aortic valve replacement (AVR) face higher bleeding risks during gastrointestinal surgery. This study identified AVR as a key risk factor for major bleeding and other complications.

Area of Science:

  • Cardiovascular Surgery
  • Gastrointestinal Surgery
  • Prosthetic Valve Management

Background:

  • Perioperative outcomes and risk factors for gastrointestinal surgery in patients with prosthetic valves are not well-defined.
  • This study addresses the need to understand complications in this specific patient population.

Purpose of the Study:

  • To define perioperative outcomes and identify risk factors for gastrointestinal surgery in patients with prosthetic valves.
  • To investigate the association between prosthetic valve type and surgical complications.

Main Methods:

  • Retrospective analysis of clinical data from 69 patients with prosthetic valves undergoing gastrointestinal surgery (January 2010 - March 2018).
  • Univariate and multivariate analyses were employed to identify risk factors for bleeding and non-hemorrhagic complications.

Main Results:

  • Major bleeding occurred in 13.0% of patients; non-hemorrhagic complications in 30.4%.
  • Simple aortic valve replacement (AVR) was associated with significantly higher major bleeding events (27.6% vs. 2.5%, P = 0.003).
  • Risk factors for non-hemorrhagic complications included operative duration ≥ 160 minutes, time since valve replacement ≥ 84 months, and simple AVR.

Conclusions:

  • Patients with simple AVR exhibit a substantially elevated risk of bleeding after gastrointestinal surgery.
  • Simple AVR is a significant risk factor for both major bleeding and non-hemorrhagic complications in this context.
Abstract

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