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Related Experiment Video

Updated: Jan 28, 2026

Endoscopic Approach for Colloid Cyst Resection
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The right ventricular response to lung resection.

Philip J McCall1, Alex Arthur1, Adam Glass1

  • 1Academic Unit of Anaesthesia, Pain, and Critical Care, University of Glasgow, Glasgow, United Kingdom; Department of Anaesthesia, Golden Jubilee National Hospital, Clydebank, United Kingdom.

The Journal of Thoracic and Cardiovascular Surgery
|March 4, 2019
PubMed
Summary
This summary is machine-generated.

Right ventricular (RV) dysfunction is common after lung resection surgery, persisting for at least two months. This study used cardiovascular magnetic resonance imaging to assess RV function post-surgery.

Keywords:
cardiovascular magnetic resonancelung resectionright ventricular function

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Area of Science:

  • Cardiology
  • Thoracic Surgery
  • Radiology

Background:

  • Lung cancer surgery can lead to cardiorespiratory issues like dyspnea.
  • Right ventricular (RV) dysfunction is a suspected cause of reduced functional capacity post-lung resection.
  • Cardiovascular magnetic resonance imaging (CMR) is ideal for assessing RV function non-invasively.

Purpose of the Study:

  • To evaluate the impact of lung resection on right ventricular (RV) function using CMR.
  • To assess changes in RV function and pulmonary artery hemodynamics after lung resection.

Main Methods:

  • 27 patients undergoing lung resection had CMR scans preoperatively, on postoperative day 2, and at 2 months.
  • Evaluated RV ejection fraction, stroke volume to end-systolic volume ratio, pulmonary artery acceleration time, and pulmonary artery distensibility.
  • Left ventricular ejection fraction was also monitored.

Main Results:

  • RV ejection fraction significantly decreased post-surgery and remained depressed at 2 months (P=.003).
  • The stroke volume to end-systolic volume ratio also deteriorated post-surgery (P=.011).
  • Pulmonary artery acceleration time and distensibility decreased on postoperative day 2 (P<.030), with no changes in left ventricular ejection fraction.

Conclusions:

  • Lung resection leads to persistent right ventricular (RV) dysfunction up to 2 months post-surgery.
  • Postoperative RV dysfunction may stem from a mismatch between afterload and contractility.
  • Increased pulsatile afterload in the pulmonary artery likely contributes to RV dysfunction.