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A study of pulmonary function in end-stage renal disease patients on hemodialysis: a cross-sectional study

Overview of attention for article published in Sao Paulo Medical Journal, September 2017
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Title
A study of pulmonary function in end-stage renal disease patients on hemodialysis: a cross-sectional study
Published in
Sao Paulo Medical Journal, September 2017
DOI 10.1590/1516-3180.2017.0179150817
Pubmed ID
Authors

Ashima Sharma, Ashok Sharma, Sushila Gahlot, Pawan Kumar Prasher

Abstract

The aim here was to study acute effects of hemodialysis among end-stage renal disease (ESRD) patients. Prospective study in tertiary-level care center. Fifty ESRD patients undergoing hemodialysis were studied. Spirometric pulmonary function tests were performed before and after four-hour hemodialysis sessions. The patients' average age was 45.8 ± 10.0 years; 64% were males and 64% had normal body mass index. Anemia (94%) and hypoalbuminemia (72%) were common. Diabetes mellitus (68%), hypertension (34%) and coronary artery disease (18%) were major comorbidities. Forty-five patients (90%) had been on hemodialysis for six months to three years. The patients' pre-dialysis mean forced vital capacity (FVC) and forced expiratory volume in 1 second (FEV1) were below normal: 45.8 ± 24.9% and 43.5 ± 25.9% of predicted, respectively. After hemodialysis, these increased significantly, to 51.1 ± 23.4% and 49.3 ± 25.5% of predicted, respectively (P < 0.01). The increase in mean FEV1/FVC, from 97.8 ± 20.8% to 99.3 ± 20.1% of predicted, was not significant (P > 0.05). The pre-dialysis mean forced expiratory flow 25-75% was 50.1 ± 31% and increased significantly, to 56.3 ± 31.6% of predicted (P < 0.05). The mean peak expiratory flow was below normal (43.8 ± 30.7%) and increased significantly, to 49.1 ± 29.9% of predicted (P < 0.05). Males and females showed similar directions of change after hemodialysis. Pulmonary function abnormalities are common among ESRD patients. Comparison of pre and post-hemodialysis parameters showed significant improvements, but normal predicted values were still not achieved.

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Geographical breakdown

Country Count As %
Unknown 39 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 6 15%
Student > Postgraduate 4 10%
Student > Bachelor 3 8%
Lecturer > Senior Lecturer 2 5%
Professor > Associate Professor 2 5%
Other 6 15%
Unknown 16 41%
Readers by discipline Count As %
Medicine and Dentistry 10 26%
Nursing and Health Professions 3 8%
Environmental Science 2 5%
Arts and Humanities 2 5%
Psychology 1 3%
Other 3 8%
Unknown 18 46%