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Cardiopulmonary fitness predicts postoperative major morbidity after esophagectomy for patients with cancer

Patel, Neil, Powell, Arfon G. ORCID: https://orcid.org/0000-0002-3740-8275, Wheat, Jenni R., Brown, Christopher, Appadurai, Ian R., Davies, Richard G., Bailey, Damian M. and Lewis, Wyn G. 2019. Cardiopulmonary fitness predicts postoperative major morbidity after esophagectomy for patients with cancer. Physiological Reports 7 (14) , -. 10.14814/phy2.14174

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Abstract

Surgery for radical treatment of esophageal cancer (EC) carries significant inherent risk. The objective identification of patients who are at high risk of complications is of importance. In this study the prognostic value of cardiopulmonary fitness variables (CPF) derived from cardiopulmonary exercise testing (CPET) was assessed in patients undergoing potentially curative surgery for EC within an enhanced recovery program. OC patients underwent preoperative CPET using automated breath‐by‐breath respiratory gas analysis, with measurements taken during a ramped exercise test on a bicycle. The prognostic value of urn:x-wiley:2051817X:media:phy214174:phy214174-math-0001, Anaerobic Threshold (AT) and VE/VCO2 derived from CPET were studied in relation to post‐operative morbidity, which was collected prospectively, and overall survival. Consecutive 120 patients were included for analysis (median age 65 years, 100 male, 75 neoadjuvant therapy). Median AT in the cohort developing major morbidity (Clavien–Dindo classification >2) was 10.4 mL/kg/min compared with 11.3 mL/kg/min with no major morbidity (P = 0.048). Median urn:x-wiley:2051817X:media:phy214174:phy214174-math-0002 in the cohort developing major morbidity was 17.0 mL/kg/min compared with 18.7 mL/kg/min in the cohort (P = 0.009). urn:x-wiley:2051817X:media:phy214174:phy214174-math-0003 optimum cut‐off was 17.0 mL/kg/min (sensitivity 70%, specificity 53%) and for AT was 10.5 mL/kg/min (sensitivity 60%, specificity 44%). Multivariable analysis revealed urn:x-wiley:2051817X:media:phy214174:phy214174-math-0004 to be the only independent factor to predict major morbidity (OR 0.85, 95% CI 0.75–0.97, P = 0.018). Cumulative survival was associated with operative morbidity severity (χ2 = 4.892, df = 1, P = 0.027). These results indicate that urn:x-wiley:2051817X:media:phy214174:phy214174-math-0005 as derived from CPET is a significant predictor of major morbidity after oesophagectomy highlighting the physiological importance of cardiopulmonary fitness.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Publisher: Wiley Open Access
ISSN: 2051-817X
Date of First Compliant Deposit: 15 August 2019
Date of Acceptance: 21 June 2019
Last Modified: 05 Jan 2024 06:55
URI: https://orca.cardiff.ac.uk/id/eprint/124952

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