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Page 1
Long QT Syndrome Management during and after Pregnancy.
Marcinkeviciene A, Rinkuniene D, Puodziukynas A. Marcinkeviciene A, et al. Medicina (Kaunas). 2022 Nov 21;58(11):1694. doi: 10.3390/medicina58111694. Medicina (Kaunas). 2022. PMID: 36422233 Free PMC article. Review.
Long QT syndrome (LQTS) is majorly an autosomal dominantly inherited electrical dysfunction, but there are exceptions (Jervell and Lange-Nielsen syndrome is inherited in an autosomal recessive pattern). ...
Long QT syndrome (LQTS) is majorly an autosomal dominantly inherited electrical dysfunction, but there are exceptions ( …
From Genotype to Phenotype.
Mackley M, McGuire K, Taylor J, Watkins H, Ormondroyd E. Mackley M, et al. Circ Genom Precis Med. 2018 Oct;11(10):e002316. doi: 10.1161/CIRCGEN.118.002316. Circ Genom Precis Med. 2018. PMID: 30354302 Free PMC article. Review.
Here we illustrate some diagnostic and psychosocial complexities of inherited cardiac condition secondary findings, exemplified by disclosure of a pathogenic variant in KCNQ1, associated with long QT syndrome, to a healthy male enrolled in diagnostic genome s …
Here we illustrate some diagnostic and psychosocial complexities of inherited cardiac condition secondary findings, exemplified by disclosur …
Long QT Syndrome.
Goldenberg I, Zareba W, Moss AJ. Goldenberg I, et al. Curr Probl Cardiol. 2008 Nov;33(11):629-94. doi: 10.1016/j.cpcardiol.2008.07.002. Curr Probl Cardiol. 2008. PMID: 18835466 Review.
The hereditary Long QT syndrome (LQTS) is a genetic channelopathy with variable penetrance that is associated with increased propensity for polymorphic ventricular tachyarrhythmias and sudden cardiac death in young individuals with normal cardiac morphology. …
The hereditary Long QT syndrome (LQTS) is a genetic channelopathy with variable penetrance that is associated with incr …
Utility of Provocative Testing in the Diagnosis and Genotyping of Congenital Long QT Syndrome: A Systematic Review and Meta-Analysis.
Yang Y, Lv TT, Li SY, Liu P, Gao QG, Zhang P. Yang Y, et al. J Am Heart Assoc. 2022 Jul 19;11(14):e025246. doi: 10.1161/JAHA.122.025246. Epub 2022 Jul 8. J Am Heart Assoc. 2022. PMID: 35861842 Free PMC article. Review.
Background Diagnosis is particularly challenging in concealed or asymptomatic long QT syndrome (LQTS). Provocative testing, unmasking the characterization of LQTS, is a promising alternative method for the diagnosis of LQTS, but without uniform standards. ... …
Background Diagnosis is particularly challenging in concealed or asymptomatic long QT syndrome (LQTS). Provocative test …
Celebrities in the heart, strangers in the pancreatic beta cell: Voltage-gated potassium channels Kv 7.1 and Kv 11.1 bridge long QT syndrome with hyperinsulinaemia as well as type 2 diabetes.
Lubberding AF, Juhl CR, Skovhøj EZ, Kanters JK, Mandrup-Poulsen T, Torekov SS. Lubberding AF, et al. Acta Physiol (Oxf). 2022 Mar;234(3):e13781. doi: 10.1111/apha.13781. Epub 2022 Jan 22. Acta Physiol (Oxf). 2022. PMID: 34990074 Free PMC article. Review.
Recently, individuals carrying loss-of-function (LoF) mutations in KCNQ1, encoding K(v) 7.1, and KCNH2 (hERG), encoding K(v) 11.1, were found to exhibit post-prandial hyperinsulinaemia and episodes of hypoglycaemia. These LoF mutations also cause the cardiac disorder lo …
Recently, individuals carrying loss-of-function (LoF) mutations in KCNQ1, encoding K(v) 7.1, and KCNH2 (hERG), encoding K(v) 11.1, we …
Sodium channel blockers in the management of long QT syndrome types 3 and 2: A system review and meta-analysis.
Yang Y, Lv TT, Li SY, Zhang P. Yang Y, et al. J Cardiovasc Electrophysiol. 2021 Nov;32(11):3057-3067. doi: 10.1111/jce.15223. Epub 2021 Sep 1. J Cardiovasc Electrophysiol. 2021. PMID: 34427958 Review.
BACKGROUND: beta-Blockers are first-line therapy in patients with long QT syndrome (LQTS). However, beta-blockers had genotype dependent efficacy (LQT1>LQT2>LQT3). ...RESULTS: Pooled analysis of 14 studies with 213 LQTS (9 LQT1 + 63 LQT2 + 135 LQT3 + 6 …
BACKGROUND: beta-Blockers are first-line therapy in patients with long QT syndrome (LQTS). However, beta-blockers had g …
Drug-induced Brugada syndrome.
Yap YG, Behr ER, Camm AJ. Yap YG, et al. Europace. 2009 Aug;11(8):989-94. doi: 10.1093/europace/eup114. Epub 2009 May 29. Europace. 2009. PMID: 19482855 Review.
Patients with Brugada syndrome or suspected mutation carriers can have normal ECG recordings at other times. ...As published reports of the drug-induced Brugada sign have become increasingly prevalent, there is growing interest in the mechanisms responsible for this acquir …
Patients with Brugada syndrome or suspected mutation carriers can have normal ECG recordings at other times. ...As published reports …
Short QT syndrome.
Brugada R, Hong K, Cordeiro JM, Dumaine R. Brugada R, et al. CMAJ. 2005 Nov 22;173(11):1349-54. doi: 10.1503/cmaj.050596. CMAJ. 2005. PMID: 16301704 Free PMC article. Review.
It has long been appreciated that a long QT interval predisposes patients to life-threatening ventricular arrhythmia. Short QT syndrome is a newly described disease characterized by a shortened QT interval and by episodes of syncope, paro …
It has long been appreciated that a long QT interval predisposes patients to life-threatening ventricular arrhythmia. S …
QT Prolongation and In-Hospital Ventricular Arrhythmic Complications in Patients With Apical Ballooning Takotsubo Syndrome.
Del Buono MG, Damonte JI, Moroni F, Ravindra K, Westman P, Chiabrando JG, Bressi E, Li P, Kapoor K, Mao Y, Oakes T, Rodriguez-Miguelez P, Gal TS, Koneru J, Ellenbogen KA, Kron J, Abbate A. Del Buono MG, et al. JACC Clin Electrophysiol. 2022 Dec;8(12):1500-1510. doi: 10.1016/j.jacep.2022.08.010. Epub 2022 Sep 28. JACC Clin Electrophysiol. 2022. PMID: 36543499 Review.
BACKGROUND: Takotsubo syndrome is associated with life threatening arrhythmias, and the apical ballooning pattern is characterized by a peculiar QT prolongation and particularly high-risk of arrhythmias. ...METHODS: We reviewed 105 cases of apical ballooning Takotsu …
BACKGROUND: Takotsubo syndrome is associated with life threatening arrhythmias, and the apical ballooning pattern is characterized by …
Provocation testing in congenital long QT syndrome: A practical guide.
Abrahams T, Davies B, Laksman Z, Sy RW, Postema PG, Wilde AAM, Krahn AD, Han HC. Abrahams T, et al. Heart Rhythm. 2023 Nov;20(11):1570-1582. doi: 10.1016/j.hrthm.2023.07.059. Epub 2023 Jul 20. Heart Rhythm. 2023. PMID: 37481219 Review.
Congenital long QT syndrome (LQTS) is a hereditary cardiac channelopathy with an estimated prevalence of 1 in 2500. A prolonged resting QT interval corrected for heart rate (QTc interval) remains a key diagnostic component; however, the QTc value may b …
Congenital long QT syndrome (LQTS) is a hereditary cardiac channelopathy with an estimated prevalence of 1 in 2500. A p …
137 results