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Cardiopulmonary Consequences of ETS - Endoscopic Thoracic Sympathectomy for Hyperhidrosis and the Heart

By: Hratch Karamanoukian, MD

September 7, 2008

Researchers at the Department of Life Sciences, Zinman College, Wingate Institute, Netanya, Israel, have published a study that investigated the effects of Endoscopic Thoracic Sympathectomy (ETS) on cardiopulmonary responses to exercise and have reported their findings in the European Journal of Applied Physiology (September 2008). The authors looked at physiological variables at rest and during sub-maximal (steady-state) and maximal treadmill exercise immediately prior to and 70 days after bilateral ETS. They have concluded that “thoracic-sympathetic denervation affects the heart, sweating, and circulation of the respective denervated region but does not affect exercise performance or mechanical/physiologic efficiency, despite a significant reduction in heart rate (both at rest and during exercise). They [concluded that] thelatter was, most likely, fully compensated by an increase in stroke volume and less likely by an improved muscle oxygen extraction due to more efficient blood distribution, keeping the work-rate and oxygen uptake unaffected.”
Dr Karamanoukian’s note – this study is yet another that shows that ETS does not alter cardiopulmonary physiology in any significant way.
image taken from on September 6, 2008.
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For more information about hyperhidrosis (excessive sweating) , as well as surgical and non-surgical hyperhidrosis treatment options, contact Dr. Karamanoukian at The Center for Excessive Sweating, a National Center of Excellence for Hyperhidrosis Treatment by email or by phone at (716) 839-3638.

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