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J Clin Hypertens (Greenwich). 2010 Jan;12(1):59-63. doi: 10.1111/j.1751-7176.2009.00205.x.

Obesity-related cardiorenal syndrome.

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Cardiology Division, Department of Medicine, University of Rochester Medical Center, Rochester, NY 14642, USA.


The term obesity cardiomyopathy has previously been used to describe a clinical syndrome in obese patients typically consisting of eccentric left ventricular hypertrophy with preserved ejection fraction and diastolic dysfunction and is often associated with right ventricular dysfunction independent of the presence of the obstructive sleep apnea syndrome. Although several publications have described the early stages of this syndrome, little is known about the end stages of the disease. The authors conducted a retrospective study of a subset of edematous obese patients with multiple common medical comorbidities who present with a clinical syndrome in the setting of physiologic stress or infection. Under severe physiologic stress these patients developed pulmonary hypertension, right-sided volume overload, decreased effective arterial blood volume, and renal failure. Often, these findings were in the setting of obstructive sleep apnea. This retrospective study focuses on an obesity-related cardiorenal syndrome but also serves to provide a foreground for acknowledging the broad spectrum of cardiovascular pathology, including pulmonary hypertension, diastolic dysfunction, and sleep apnea, seen in the obese.

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