Cardiopulmonary effects following endoscopic thoracic sympathectomy for primary hyperhidrosis

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Introduction: Endoscopic thoracic sympathectomy (ETS) is performed for the treatment of primary hyperhidrosis (PH). The second and third sympathetic thoracic ganglions excised in ETS also innervate the heart and lung. Objective: In the present work we studied the cardiopulmonary effects of ETS in a group of patients with PH. Methods: We performed a prospective study in 38 patients with severe PH. Pulmonary function, echocardiographic assessment of left ventricular function and myocardial contractility and maximal, symptom-limited, incremental exercise tests were evaluated 2 weeks before, and 6 months after ETS. Data were analysed with the paired t-test. Differences were considered significant when p < 0.05. Results: In pulmonary function tests, we found a statistically significant decrease forced expiratory flow in small airways and an increase of residual volume, a significant decrease in heart rate and ejection fraction, a significant decrease of 'rest' and 'peak' heart rate, and a significant increase of oxygen pulse (O-2 pulse) and oxygen peak uptake (V-O2 peak) after ETS (p < 0.05). Conclusions: These cardiopulmonary effects observed 6 months after ETS in the treatment of patients with PH are all in normal ranges and are not relevant in cardiopulmonary function. We concluded that ETS in patients with PH is a safe procedure. Patients must be informed about these cardiopulmonary effects before the operation. (C) 2009 European Association for Cardio-Thoracic Surgery. Published by Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)491-496
Number of pages6
JournalEuropean Journal of Cardio-thoracic Surgery
Issue number3
Publication statusPublished - 2009


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