Markedly reduced ventricular arrhythmia during the peripartum period in a pregnant woman with Andersen-Tawil syndrome

Andersen-Tawil syndrome (ATS), also known as long QT syndrome type 7, is a rare autosomal dominant disease caused by a KCNJ2 mutation. The characteristic triad of ATS is periodic paralysis, dysmorphic features, and ventricular arrhythmia. We describe a case of a woman with Andersen-Tawil syndrome an...

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Main Authors: Chizuko A. Kamiya, Wataru Shimizu, Yoshinari Kabayashi, Takekazu Miyoshi, Chinami Horiuchi, Takashi Umekawa, Kaoru Yamanaka, Reiko Neki, Shinji Katsuragi, Jun Yoshimatsu, Tomoaki Ikeda
Format: Article
Language:English
Published: Wiley 2012-12-01
Series:Journal of Arrhythmia
Online Access:http://www.sciencedirect.com/science/article/pii/S1880427612001342
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author Chizuko A. Kamiya
Wataru Shimizu
Yoshinari Kabayashi
Takekazu Miyoshi
Chinami Horiuchi
Takashi Umekawa
Kaoru Yamanaka
Reiko Neki
Shinji Katsuragi
Jun Yoshimatsu
Tomoaki Ikeda
author_facet Chizuko A. Kamiya
Wataru Shimizu
Yoshinari Kabayashi
Takekazu Miyoshi
Chinami Horiuchi
Takashi Umekawa
Kaoru Yamanaka
Reiko Neki
Shinji Katsuragi
Jun Yoshimatsu
Tomoaki Ikeda
author_sort Chizuko A. Kamiya
collection DOAJ
description Andersen-Tawil syndrome (ATS), also known as long QT syndrome type 7, is a rare autosomal dominant disease caused by a KCNJ2 mutation. The characteristic triad of ATS is periodic paralysis, dysmorphic features, and ventricular arrhythmia. We describe a case of a woman with Andersen-Tawil syndrome and a history of syncope whose pregnancy was complicated with frequent premature ventricular contractions (PVCs) and nonsustained ventricular tachycardia (NSVT). Her PVCs and NSVT were significantly decreased during the peripartum period, especially during labor. We treated her with beta-blockers throughout her pregnancy, and she experienced no complications. Although the mechanism underlying the decreased PVCs and NSVT in pregnancy has not been elucidated, women with ATS may have less arrhythmic event risk during pregnancy.
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spelling doaj.art-cc539d42ccd745c680e388d604c5edab2022-12-22T02:32:21ZengWileyJournal of Arrhythmia1880-42762012-12-0128636036310.1016/j.joa.2012.08.002Markedly reduced ventricular arrhythmia during the peripartum period in a pregnant woman with Andersen-Tawil syndromeChizuko A. Kamiya0Wataru Shimizu1Yoshinari Kabayashi2Takekazu Miyoshi3Chinami Horiuchi4Takashi Umekawa5Kaoru Yamanaka6Reiko Neki7Shinji Katsuragi8Jun Yoshimatsu9Tomoaki Ikeda10Departments of Perinatology and Gynecology, National Cerebral and Cardiovascular Center, 5-7-1 Fujishirodai, Suita, Osaka 565-8565, JapanDepartment of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, 5-7-1 Fujishirodai, Suita, Osaka 565-8565, JapanDepartments of Perinatology and Gynecology, National Cerebral and Cardiovascular Center, 5-7-1 Fujishirodai, Suita, Osaka 565-8565, JapanDepartments of Perinatology and Gynecology, National Cerebral and Cardiovascular Center, 5-7-1 Fujishirodai, Suita, Osaka 565-8565, JapanDepartments of Perinatology and Gynecology, National Cerebral and Cardiovascular Center, 5-7-1 Fujishirodai, Suita, Osaka 565-8565, JapanDepartments of Perinatology and Gynecology, National Cerebral and Cardiovascular Center, 5-7-1 Fujishirodai, Suita, Osaka 565-8565, JapanDepartments of Perinatology and Gynecology, National Cerebral and Cardiovascular Center, 5-7-1 Fujishirodai, Suita, Osaka 565-8565, JapanDepartments of Perinatology and Gynecology, National Cerebral and Cardiovascular Center, 5-7-1 Fujishirodai, Suita, Osaka 565-8565, JapanDepartments of Perinatology and Gynecology, National Cerebral and Cardiovascular Center, 5-7-1 Fujishirodai, Suita, Osaka 565-8565, JapanDepartments of Perinatology and Gynecology, National Cerebral and Cardiovascular Center, 5-7-1 Fujishirodai, Suita, Osaka 565-8565, JapanDepartments of Perinatology and Gynecology, National Cerebral and Cardiovascular Center, 5-7-1 Fujishirodai, Suita, Osaka 565-8565, JapanAndersen-Tawil syndrome (ATS), also known as long QT syndrome type 7, is a rare autosomal dominant disease caused by a KCNJ2 mutation. The characteristic triad of ATS is periodic paralysis, dysmorphic features, and ventricular arrhythmia. We describe a case of a woman with Andersen-Tawil syndrome and a history of syncope whose pregnancy was complicated with frequent premature ventricular contractions (PVCs) and nonsustained ventricular tachycardia (NSVT). Her PVCs and NSVT were significantly decreased during the peripartum period, especially during labor. We treated her with beta-blockers throughout her pregnancy, and she experienced no complications. Although the mechanism underlying the decreased PVCs and NSVT in pregnancy has not been elucidated, women with ATS may have less arrhythmic event risk during pregnancy.http://www.sciencedirect.com/science/article/pii/S1880427612001342
spellingShingle Chizuko A. Kamiya
Wataru Shimizu
Yoshinari Kabayashi
Takekazu Miyoshi
Chinami Horiuchi
Takashi Umekawa
Kaoru Yamanaka
Reiko Neki
Shinji Katsuragi
Jun Yoshimatsu
Tomoaki Ikeda
Markedly reduced ventricular arrhythmia during the peripartum period in a pregnant woman with Andersen-Tawil syndrome
Journal of Arrhythmia
title Markedly reduced ventricular arrhythmia during the peripartum period in a pregnant woman with Andersen-Tawil syndrome
title_full Markedly reduced ventricular arrhythmia during the peripartum period in a pregnant woman with Andersen-Tawil syndrome
title_fullStr Markedly reduced ventricular arrhythmia during the peripartum period in a pregnant woman with Andersen-Tawil syndrome
title_full_unstemmed Markedly reduced ventricular arrhythmia during the peripartum period in a pregnant woman with Andersen-Tawil syndrome
title_short Markedly reduced ventricular arrhythmia during the peripartum period in a pregnant woman with Andersen-Tawil syndrome
title_sort markedly reduced ventricular arrhythmia during the peripartum period in a pregnant woman with andersen tawil syndrome
url http://www.sciencedirect.com/science/article/pii/S1880427612001342
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