Electrocardiogram Changes Following the Treatment with Gonadotropin-Releasing Hormone Agonists in Patients with Precocious Puberty

Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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JR_INJPM-9-11_016

تاریخ نمایه سازی: 19 آبان 1400

Abstract:

Background: GnRH agonists are the standard treatment for precocious puberty. Studies on the side effects of these drugs in adults have shown that these drugs may cause changes in ECG and some cardiovascular effects; however, few studies have evaluated these effects in children. This study aims to investigate the effect of these drugs on ECG intervals in children with precocious puberty.Methods: In this study with a pre-post design ۵۰ children with precocious puberty referred to the endocrinology clinic of Tabriz Children's Hospital in ۲۰۱۹ for receiving GnRH agonists were included. From all patients, ECGs were obtained before starting the treatment and then ۶, ۱۲, and ۱۸ weeks later and PR, QRS, and QTc intervals were extracted from ECG records.Results: The mean age of the participants was ۹۱±۹ months including ۴۸ (۹۶%) girls and ۲ (۴%) boys. Triptorelin (GnRH agonist) was administered for all patients with the standard protocol. Comparison of pre- and post-treatment ECG intervals showed that the drug did not cause a significant change in PR (p = ۰.۵۳۵) and QTc (p = ۰.۲۵۰) intervals, whilst there was a significant increase in QRS interval after the treatment (p = ۰.۰۰۱).Conclusion: The use of GnRH agonists in children can lead to some changes in ECG records by increasing in QRS intervals; and ECG could be used as a tool to detect these changes. Further studies are also needed to identify ECG changes in larger sample sizes and longer intervals.

Authors

Ali Bagherzadeh

Pediatrics Department, Tabriz children&#۰۳۹;s Hospital, Medical Faculty, Tabriz University of Medical Science

Siamak Shiva

Pediatric Health Research Center, Department of Pediatrics, Tabriz University of Medical Sciences, Tabriz, Iran.

Mahmoud Samadi

Pediatric Health Research Center, Department of Pediatrics, Tabriz University of Medical Sciences, Tabriz, Iran.

Seyyed-Reza Sadat-Ebrahimi

Cardiovascular research center, Tabriz University of Medical Sciences, Tabriz, Iran