Introduction: Echocardiography provides a non-invasive estimation of pulmonary artery systolic pressure (PASP) and is the first diagnostic test for pulmonary hypertension. Recent studies have demonstrated that PASP of more than 30 mm Hg related to increased mortality and morbidity. However, perioperative risks and management for patients with mildly elevated PASP are not well established. This study aims to explore the association between mildly elevated PASP and perioperative adverse outcomes.
Methods And Analysis: This will be a retrospective cohort study conducted at Shanghai Pulmonary Hospital in Shanghai, China. Eligible patients are adults (≥18 years) who performed preoperative echocardiography and followed thoracoscopic lobectomy. Our primary objective is to determine the effect of preoperative mildly elevated PASP on the incidence of hypotension during surgery. Whether mildly elevated PASP is related to other perioperative adverse events (including hypoxaemia, myocardial injury, new-onset atrial fibrillation, postoperative pulmonary complications, 30-day readmission and 30-day mortality) will be also analysed. An estimated 2300 patients will be included.
Ethics And Dissemination: The study has been approved by the institutional review board of Shanghai Pulmonary Hospital (approval No: 2022LY1143). The research findings intend to be published in peer-reviewed scientific publications.
Trial Registration Number: Chinese Clinical Trial Registry (ChiCTR2200066679).
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10533698 | PMC |
| http://dx.doi.org/10.1136/bmjopen-2023-072084 | DOI Listing |
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