Comparision between effects of bicarbonate and acetate dialysates on spirometry parameters in patients with chronic renal failure undergoing hemodialysis

AUTHORS

Kazem Navari 1 , * , Hossein Farshidi 1 , Fatemeh Poorrezagholi 2 , Mohsen Nafar 2 , Saeid Zand 2 , Hamid Sohrabpour 3

AUTHORS INFORMATION

1 Assistant Professor Department of Internal Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.

2 Associate professor Department of Internal Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.

3 Associate Professor Department of Internal Medicine, Shahid Behashti University of Medical Sciences, Tehran, Iran.

ARTICLE INFORMATION

Hormozgan Medical Journal: 12 (1); e88830
Published Online: August 15, 2007
Article Type: Research Article
Received: March 12, 2007
Accepted: August 15, 2007

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Abstract

Introduction: Chronic renal failure causes impairment of all body organs including
heart and lungs. Main problem in these patients are pulmonary edema due to increased
permeability of capillaries, intravascular and interstitial volume overload, hypertension
and heart failure. These changes cause altered physiologic and mechanical function of
lungs. The objective of this study is evaluating the effect of dialysates and other
intervening factors on spirometry parameters.
Methods: This cross-sectional study was performed on 41 patients with chronic renal
failure in September and October 2006 in Labbafi Nejad Hospital, Tehran. Patients
were randomly divided to bicarbonate and acetate groups. Prior to and after
hemodialysis, patients were meticulously weighed and spirometry parameters (FVC,
FEV1, FEV1/FVC%, FEF 25-75) were measured. Biochemical indices were checked.
Spirometry parameters were analyzed using t-test, and p-value less than 0.05 was
considered statistically significant.
Results: We compared 29 patients undergoing dialysis with bicarbonate and 21
patients on dialysis with acetate. Respiratory function improvement in spirometry
parameters was only significant in patients undergoing dialysis with bicarbonate
dialysate, and when results were compared according to gender, they were
statistically significant only in men. This improvement was meaningful in FEF (25-
75%), FEV1, FVC. Post dialysis weight loss and serum chemistry had no significant
correlation with improvement of sprirometry parameters.
Conclusion: Dialysis with bicarbonate dialysate causes significant improvement in
spirometry parameters and respiratory function in men.

Keywords

Chronic Renal Failure – Hemodialysis – Respirometry Function - Spirometry

© 2008, Hormozgan Medical Journal. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
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