Journal of Clinical and Diagnostic Research, ISSN - 0973 - 709X

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Original article / research
Year : 2018 | Month : July | Volume : 12 | Issue : 7 | Page : FC01 - FC03

Hyponatremia Induced by Angiotensin Converting Enzyme Inhibitors and Angiotensin Receptor Blockers-A Pilot Study

S Bhuvaneshwari, Prakash Vel Sankhya Saroj, D Vijaya, M Sabari Sowmya, R Senthil Kumar

1. Professor, Department of Pharmacology, PSG Institute of Medical Sciences and Research, Coimbatore, Tamil Nadu, India. 2. Undergraduate Student, Department of Pharmacology, PSG Institute of Medical Sciences and Research, Coimbatore, Tamil Nadu, India. 3. Professor, Department of Biochemistry, PSG Institute of Medical Sciences and Research, Coimbatore, Tamil Nadu, India. 4. Undergraduate Student, Department of Pharmacology, PSG Institute of Medical Sciences and Research, Coimbatore, Tamil Nadu, India. 5. Assistant Professor, Department of Endocrinology, PSG Institute of Medical Sciences and Research, Coimbatore, Tamil Nadu, India.

Correspondence Address :
Dr. S Bhuvaneshwari,
Professor, Department of Pharmacology, PSG Institute of Medical Sciences and Research, Coimbatore, Tamil Nadu, India.
E-mail: bhuvana1421@gmail.com

Abstract

Introduction: Hyponatremia, serum sodium <135 mmol/L, can result in neurological manifestation in acute cases, may lead to seizures and coma. Angiotensin Converting Enzyme Inhibitor (ACEI) and Angiotensin II Receptor Blockers (ARB) are drugs that have been commonly prescribed for the treatment of hypertension and cardiac diseases. It has become important to evaluate and investigate the incidence of hyponatremia on consumption of these drugs.

Aim: To determine the susceptibility of patients on ACEI and ARB to hyponatremia and to ascertain the drug producing notable hyponatremia among ACEI and ARB.

Materials and Methods: The study was conducted in a tertiary care hospital. Serum sodium levels were assayed in patients taking ACEI and ARB; 50 patients were recruited. The patientís age, sex, drug dosage, frequency of the drug administration were collected using a proforma. Statistical analysis of data were performed using SPSS version 19.0.

Results: Among all, 48% (24 out of 50) of the study population administered with ACEI and ARB developed hyponatremia. Predisposition to develop hyponatremia was high in males compared to females. Incidence of hyponatremia was 62.5% (10 out of 16) in the age group of 56-75 years. Though, incidence of hyponatremia was 54.5% (18 out of 33) in ACEI group compared to 35.2% (6 out of 17) in ARB group, but it was not statistically significant. The study also revealed that metosartan had a higher association with hyponatremia compared to other drugs.

Conclusion: Hyponatremia was induced in nearly 50% of patients taking ACEI and ARB. The incidence of hyponatremia among patients on these two drugs did not show statistical variation. Metosartan showed a higher incidence of hyponatremia compared to enalapril, ramipril, captopril, telmisartan, losartan included in the study. This study revealed that monitoring of serum sodium level in the patients with ACEI and ARB administration will help to elude unexpected adverse reactions.

Keywords

Angiotensin converting enzyme inhibitors, Angiotensin II receptor blockers, Lowering of sodium levels

How to cite this article :

S Bhuvaneshwari, Prakash Vel Sankhya Saroj, D Vijaya, M Sabari Sowmya, R Senthil Kumar. HYPONATREMIA INDUCED BY ANGIOTENSIN CONVERTING ENZYME INHIBITORS AND ANGIOTENSIN RECEPTOR BLOCKERS-A PILOT STUDY . Journal of Clinical and Diagnostic Research [serial online] 2018 July [cited: 2018 Jul 17 ]; 12:FC01-FC03. Available from
http://www.jcdr.net/back_issues.asp?issn=0973-709x&year=2018&month=July&volume=12&issue=7&page=FC01-FC03&id=11754

DOI and Others

DOI: 10.7860/JCDR/2018/31983.11754

Date of Submission: Aug 01, 2017
Date of Peer Review: Oct 14, 2017
Date of Acceptance: Apr 27, 2018
Date of Publishing: Jul 01, 2018

FINANCIAL OR OTHER COMPETING INTERESTS: NONE.

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