Sleep apnea is associated with cardiovascular risk factors among kidney transplant patients

Molnar, Miklos Zsolt, Lazar, Alpar Sandor, Lindner, Anett, Fornadi, Katalin, Czira, Maria Eszter, Dunai, Andrea, Zoller, Rezso, Szentkiralyi, Andras, Rosivall, Laszlo, Shapiro, Colin Michael, Novak, Marta and Mucsi, Istvan (2010) Sleep apnea is associated with cardiovascular risk factors among kidney transplant patients. Clinical Journal of the American Society of Nephrology, 5 (1). pp. 125-132. ISSN 1555-9041

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BACKGROUND AND OBJECTIVES: We assessed the prevalence of obstructive sleep apnea (OSA) and its clinical correlates in a large sample of patients who received a kidney transplant (Tx). We also compared the prevalence of the disorder between dialysis patients who were on the waiting list for a Tx (WL) and Tx patients. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: This was a cross-sectional study of 100 Tx and 50 WL patients who underwent one-night polysomnography (SLeep disorders Evaluation in Patients after kidney Transplantation [SLEPT] Study). Sociodemographic information and data about medication, comorbidity, and laboratory parameters were collected. RESULTS: The prevalence of mild (apnea-hypopnea index [AHI] > or =5/h and <15/h), moderate (AHI > or =15/h and <30/h), and severe OSA (AHI > or =30/h) was 18, 11, and 14% in the Tx group and 28, 16, and 10% in the WL group, respectively. The AHI was significantly correlated with age (rho = 0.34), body mass index (rho = 0.45), neck circumference (rho = 0.4), abdominal circumference (rho = 0.51), and hemoglobin (rho = 0.24) in the Tx group. The proportion of Tx patients who were treated with three or more antihypertensive drugs was significantly higher in the OSA group (56 versus 31%; P = 0.022). Despite taking significantly more antihypertensive drugs, the average systolic BP was still higher in patients with versus without OSA (147 +/- 21 versus 139 +/- 18 mmHg; P = 0.059). CONCLUSIONS: The prevalence of OSA is similar in Tx and WL patients and it may contribute to presence of hypertension in patients who receive a Tx.

Item Type: Article
Uncontrolled Keywords: cardiovascular diseases,cross-sectional studies,female,humans,kidney transplantation,male,middle aged,postoperative complications,prevalence,risk factors,obstructive sleep apnea,waiting lists,sdg 3 - good health and well-being ,/dk/atira/pure/sustainabledevelopmentgoals/good_health_and_well_being
Faculty \ School: Faculty of Medicine and Health Sciences > School of Health Sciences
UEA Research Groups: Faculty of Medicine and Health Sciences > Research Groups > Dementia & Complexity in Later Life
Faculty of Medicine and Health Sciences > Research Centres > Lifespan Health
Depositing User: Pure Connector
Date Deposited: 07 Dec 2016 00:07
Last Modified: 19 Oct 2023 01:52
DOI: 10.2215/CJN.04030609

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