Success in Avoiding Reoperation through Follow-up in a Case of Sick Sinus Syndrome Despite Transient Marked Elevation in Atrial Threshold

The patient was a 43-year-old male whose chief complaint was syncope. Electrocardiography at the first visit revealed escaped rhythm (38 bpm). After hospitalization he developed reverse common atrial flutter (AFL) and underwent catheter ablation. After termination of atrial flutter by ablation, sinu...

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Main Authors: Shunsuke Sasaoka, Toshiya Muramatsu, Tsuyoshi Sakai
Format: Article
Language:English
Published: Wiley 2011-01-01
Series:Journal of Arrhythmia
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1880427611800098
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author Shunsuke Sasaoka
Toshiya Muramatsu
Tsuyoshi Sakai
author_facet Shunsuke Sasaoka
Toshiya Muramatsu
Tsuyoshi Sakai
author_sort Shunsuke Sasaoka
collection DOAJ
description The patient was a 43-year-old male whose chief complaint was syncope. Electrocardiography at the first visit revealed escaped rhythm (38 bpm). After hospitalization he developed reverse common atrial flutter (AFL) and underwent catheter ablation. After termination of atrial flutter by ablation, sinus arrest was noted, allowing a diagnosis of bradycardia-tachycardia syndrome, for which the patient underwent pacemaker implantation. Twenty days after implantation, a marked elevation of atrial threshold was noted, despite absence of a change in lead resistance or position, and atrial capturing was not possible even at the maximum output (8 V/ 1.2 ms). The cause remained unknown and the patient was followed without active intervention. Atrial threshold normalized during the follow-up, but no change was noted in lead resistance or position even at the time of normalization.
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spelling doaj.art-5946746be9e34bdc91e0db723ccf46f32022-12-22T02:56:37ZengWileyJournal of Arrhythmia1880-42762011-01-01271636710.1016/S1880-4276(11)80009-8Success in Avoiding Reoperation through Follow-up in a Case of Sick Sinus Syndrome Despite Transient Marked Elevation in Atrial ThresholdShunsuke SasaokaToshiya MuramatsuTsuyoshi SakaiThe patient was a 43-year-old male whose chief complaint was syncope. Electrocardiography at the first visit revealed escaped rhythm (38 bpm). After hospitalization he developed reverse common atrial flutter (AFL) and underwent catheter ablation. After termination of atrial flutter by ablation, sinus arrest was noted, allowing a diagnosis of bradycardia-tachycardia syndrome, for which the patient underwent pacemaker implantation. Twenty days after implantation, a marked elevation of atrial threshold was noted, despite absence of a change in lead resistance or position, and atrial capturing was not possible even at the maximum output (8 V/ 1.2 ms). The cause remained unknown and the patient was followed without active intervention. Atrial threshold normalized during the follow-up, but no change was noted in lead resistance or position even at the time of normalization.http://www.sciencedirect.com/science/article/pii/S1880427611800098Atrial thresholdSick sinus syndromeReoperationPacing failure
spellingShingle Shunsuke Sasaoka
Toshiya Muramatsu
Tsuyoshi Sakai
Success in Avoiding Reoperation through Follow-up in a Case of Sick Sinus Syndrome Despite Transient Marked Elevation in Atrial Threshold
Journal of Arrhythmia
Atrial threshold
Sick sinus syndrome
Reoperation
Pacing failure
title Success in Avoiding Reoperation through Follow-up in a Case of Sick Sinus Syndrome Despite Transient Marked Elevation in Atrial Threshold
title_full Success in Avoiding Reoperation through Follow-up in a Case of Sick Sinus Syndrome Despite Transient Marked Elevation in Atrial Threshold
title_fullStr Success in Avoiding Reoperation through Follow-up in a Case of Sick Sinus Syndrome Despite Transient Marked Elevation in Atrial Threshold
title_full_unstemmed Success in Avoiding Reoperation through Follow-up in a Case of Sick Sinus Syndrome Despite Transient Marked Elevation in Atrial Threshold
title_short Success in Avoiding Reoperation through Follow-up in a Case of Sick Sinus Syndrome Despite Transient Marked Elevation in Atrial Threshold
title_sort success in avoiding reoperation through follow up in a case of sick sinus syndrome despite transient marked elevation in atrial threshold
topic Atrial threshold
Sick sinus syndrome
Reoperation
Pacing failure
url http://www.sciencedirect.com/science/article/pii/S1880427611800098
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