Cardiac arrest in Kearns–sayre syndrome

Ingrid van Beynum, Eva Morava-Kozicz, Marjan Taher, Richard J. Rodenburg, Judit Karteszi, Kalman Toth, Eszter Szabados

Research output: Chapter in Book/Report/Conference proceedingChapter

10 Citations (Scopus)

Abstract

The prognosis of progressive ophthalmoplegia in patients with large-scale mitochondrial DNA deletions is highly variable and almost unpredictable. The risk to develop cardiac involvement and sudden cardiac death is strikingly high, especially in patients with Kearns–Sayre syndrome (KSS). The most typical cardiac complications of the disease are conduction defects, which usually begin with left anterior fascicular block with or without right bundle branch block (RBBB), progressing sometimes rapidly to complete atrioventricular block. Other cardiac manifestations reported are first or second degree of AV block, QT prolongation, torsades de pointes ventricular tachycardia, and rarely dilated cardiomyopathy. Most frequently syncope, sometimes even sudden cardiac death, is the first clinical sign of the cardiac disease in KSS. Due to these life-threatening cardiac conditions, patients should be carefully monitored for cardiac signs and symptoms and pacemaker implantation should be suggested early to avoid sudden cardiac arrest in KSS. Here, we present two cases of KSS with life-threatening syncope due to complete atrioventricular block. To emphasize the importance of an early pacemaker implantation, we review the literature on cardiac complications in KSS in the last 20 years. In almost all of the reviewed cases, ophthalmoplegia or ptosis was present before the cardiac manifestations. In most of the cases, syncope was the first symptom of the cardiac involvement. There was no correlation between the age of the onset of the disease and the onset of cardiac manifestations. With our current report, we increase awareness for life-threatening cardiac complications in patients with KSS.

Original languageEnglish (US)
Title of host publicationJIMD Reports
PublisherSpringer
Pages7-10
Number of pages4
DOIs
StatePublished - Jan 1 2012
Externally publishedYes

Publication series

NameJIMD Reports
Volume2
ISSN (Print)2192-8304
ISSN (Electronic)2192-8312

Fingerprint

Heart Arrest
Pacemakers
Atrioventricular Block
Sudden Cardiac Death
Syncope
Ophthalmoplegia
Heart Diseases
Bundle-Branch Block
Mitochondrial DNA
Torsades de Pointes
Defects
Dilated Cardiomyopathy
Ventricular Tachycardia
Age of Onset
Signs and Symptoms

Keywords

  • Cardiac complication
  • Cardiac involvement
  • Cardiac manifestation
  • Right bundle branch block
  • Right bundle branch block

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Biochemistry, Genetics and Molecular Biology (miscellaneous)

Cite this

van Beynum, I., Morava-Kozicz, E., Taher, M., Rodenburg, R. J., Karteszi, J., Toth, K., & Szabados, E. (2012). Cardiac arrest in Kearns–sayre syndrome. In JIMD Reports (pp. 7-10). (JIMD Reports; Vol. 2). Springer. https://doi.org/10.1007/8904_2011_32

Cardiac arrest in Kearns–sayre syndrome. / van Beynum, Ingrid; Morava-Kozicz, Eva; Taher, Marjan; Rodenburg, Richard J.; Karteszi, Judit; Toth, Kalman; Szabados, Eszter.

JIMD Reports. Springer, 2012. p. 7-10 (JIMD Reports; Vol. 2).

Research output: Chapter in Book/Report/Conference proceedingChapter

van Beynum, I, Morava-Kozicz, E, Taher, M, Rodenburg, RJ, Karteszi, J, Toth, K & Szabados, E 2012, Cardiac arrest in Kearns–sayre syndrome. in JIMD Reports. JIMD Reports, vol. 2, Springer, pp. 7-10. https://doi.org/10.1007/8904_2011_32
van Beynum I, Morava-Kozicz E, Taher M, Rodenburg RJ, Karteszi J, Toth K et al. Cardiac arrest in Kearns–sayre syndrome. In JIMD Reports. Springer. 2012. p. 7-10. (JIMD Reports). https://doi.org/10.1007/8904_2011_32
van Beynum, Ingrid ; Morava-Kozicz, Eva ; Taher, Marjan ; Rodenburg, Richard J. ; Karteszi, Judit ; Toth, Kalman ; Szabados, Eszter. / Cardiac arrest in Kearns–sayre syndrome. JIMD Reports. Springer, 2012. pp. 7-10 (JIMD Reports).
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