QT interval changes in term pregnant women living at moderately high altitude.

Niger J Clin Pract

Department of Obstetric and Gynecology, Faculty of Medicine, Bezmialem Vakif University, Istanbul, Turkey.

Published: February 2018

Objective: This study aimed to compare the QT interval changes in women with term pregnancy living at moderately high altitude (1890 m in Erzurum, Turkey) with those of women living at sea level (31 m in İstanbul, Turkey).

Materials And Methods: One-hundred ten women (n = 55, for each group) with full-term and single child pregnancies. Two different locations in that state were selected: İstanbul, Turkey, which is at 31 m above sea level (Group 1) and Erzurum, Turkey, at 1890 m above sea level (Group 2). Physicians from the two locations participated in the study. We estimated QTc, QTc Max, QTc Min, QT, and QTcd intervals.

Results: Moderately high altitude group had significantly longer QT parameters (QTc, QTc Max, QTc Min, QT, and QTcd intervals) compared with sea level group (P < 0.01, for all).

Conclusions: According to our results, QT interval changes occur in term pregnant women living moderately high altitude. These changes may be associated with pregnancy-related cardiovascular complications in moderately high altitude.

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http://dx.doi.org/10.4103/1119-3077.188707DOI Listing

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