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Long QT syndrome is associated with an increased burden of diabetes, psychiatric and neurological comorbidities: a nationwide cohort study

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@article{4ad3bf5337f642dcb38b93bb728fb498,
title = "Long QT syndrome is associated with an increased burden of diabetes, psychiatric and neurological comorbidities: a nationwide cohort study",
abstract = "Objective: Studies have suggested a shared genetic aetiology between congenital long QT syndrome (LQTS) and diabetes, epilepsy and mental disorders. We investigated the prevalence of metabolic, neurological and psychiatric comorbidities in LQTS patients.Methods: This retrospective cohort study was based on data from nationwide Danish registries, 2003-2017. LQTS patients were matched 1:5 with controls on sex and age.Results: We matched 463 LQTS patients with 2315 controls from the background population. Mean age was 35.7 (SD 21.0) years, and 38{\%} were males in both groups. LQTS patients had a higher prevalence of atrial fibrillation (6.5{\%} vs 2.3{\%}, p<0.001), diabetes (3.7{\%} vs 1.8 {\%}, p=0.011) and hearing loss (3.2{\%} vs 1.7{\%}, p=0.027). LQTS patients had a higher prevalence of psychiatric disorders overall (13.0{\%} vs 9.1{\%}, p=0.01) but the difference could not be attributed to a specific psychiatric disease subgroup. LQTS patients had a higher prevalence of neurological disorders (22.0{\%} vs 13.2{\%}, p<0.001), largely driven by epilepsy (6.7{\%} vs 1.6{\%}, p<0.001). In 20/27 (74{\%}) of the LQTS patients, the epilepsy diagnosis did not reappear in the registries after the LQTS diagnosis was established.Conclusions: In this nationwide cohort, patients with LQTS had a significantly increased burden of diabetes, neurological and psychiatric comorbidities, compared with the background population. The higher prevalence of neurological comorbidities was largely driven by epilepsy, despite a high rate of potentially misdiagnosed patients prior to LQTS diagnosis. Our data support that LQTS may be considered a multiorgan disease and suggest that patient management should be adjusted accordingly.",
author = "Peter Marstrand and Juliane Theilade and Charlotte Andersson and Henning Bundgaard and Weeke, {Peter E} and Jacob Tfelt-Hansen and Camilla Jespersen and Gunnar Gislason and Christian Torp-Pedersen and Kanters, {J{\o}rgen K} and J{\o}rgensen, {Mads E}",
note = "{\circledC} Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.",
year = "2019",
doi = "10.1136/openhrt-2019-001161",
language = "English",
volume = "6",
pages = "e001161",
journal = "Open Heart",
issn = "2053-3624",
publisher = "BMJ Publishing Group",
number = "2",

}

RIS

TY - JOUR

T1 - Long QT syndrome is associated with an increased burden of diabetes, psychiatric and neurological comorbidities

T2 - a nationwide cohort study

AU - Marstrand, Peter

AU - Theilade, Juliane

AU - Andersson, Charlotte

AU - Bundgaard, Henning

AU - Weeke, Peter E

AU - Tfelt-Hansen, Jacob

AU - Jespersen, Camilla

AU - Gislason, Gunnar

AU - Torp-Pedersen, Christian

AU - Kanters, Jørgen K

AU - Jørgensen, Mads E

N1 - © Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

PY - 2019

Y1 - 2019

N2 - Objective: Studies have suggested a shared genetic aetiology between congenital long QT syndrome (LQTS) and diabetes, epilepsy and mental disorders. We investigated the prevalence of metabolic, neurological and psychiatric comorbidities in LQTS patients.Methods: This retrospective cohort study was based on data from nationwide Danish registries, 2003-2017. LQTS patients were matched 1:5 with controls on sex and age.Results: We matched 463 LQTS patients with 2315 controls from the background population. Mean age was 35.7 (SD 21.0) years, and 38% were males in both groups. LQTS patients had a higher prevalence of atrial fibrillation (6.5% vs 2.3%, p<0.001), diabetes (3.7% vs 1.8 %, p=0.011) and hearing loss (3.2% vs 1.7%, p=0.027). LQTS patients had a higher prevalence of psychiatric disorders overall (13.0% vs 9.1%, p=0.01) but the difference could not be attributed to a specific psychiatric disease subgroup. LQTS patients had a higher prevalence of neurological disorders (22.0% vs 13.2%, p<0.001), largely driven by epilepsy (6.7% vs 1.6%, p<0.001). In 20/27 (74%) of the LQTS patients, the epilepsy diagnosis did not reappear in the registries after the LQTS diagnosis was established.Conclusions: In this nationwide cohort, patients with LQTS had a significantly increased burden of diabetes, neurological and psychiatric comorbidities, compared with the background population. The higher prevalence of neurological comorbidities was largely driven by epilepsy, despite a high rate of potentially misdiagnosed patients prior to LQTS diagnosis. Our data support that LQTS may be considered a multiorgan disease and suggest that patient management should be adjusted accordingly.

AB - Objective: Studies have suggested a shared genetic aetiology between congenital long QT syndrome (LQTS) and diabetes, epilepsy and mental disorders. We investigated the prevalence of metabolic, neurological and psychiatric comorbidities in LQTS patients.Methods: This retrospective cohort study was based on data from nationwide Danish registries, 2003-2017. LQTS patients were matched 1:5 with controls on sex and age.Results: We matched 463 LQTS patients with 2315 controls from the background population. Mean age was 35.7 (SD 21.0) years, and 38% were males in both groups. LQTS patients had a higher prevalence of atrial fibrillation (6.5% vs 2.3%, p<0.001), diabetes (3.7% vs 1.8 %, p=0.011) and hearing loss (3.2% vs 1.7%, p=0.027). LQTS patients had a higher prevalence of psychiatric disorders overall (13.0% vs 9.1%, p=0.01) but the difference could not be attributed to a specific psychiatric disease subgroup. LQTS patients had a higher prevalence of neurological disorders (22.0% vs 13.2%, p<0.001), largely driven by epilepsy (6.7% vs 1.6%, p<0.001). In 20/27 (74%) of the LQTS patients, the epilepsy diagnosis did not reappear in the registries after the LQTS diagnosis was established.Conclusions: In this nationwide cohort, patients with LQTS had a significantly increased burden of diabetes, neurological and psychiatric comorbidities, compared with the background population. The higher prevalence of neurological comorbidities was largely driven by epilepsy, despite a high rate of potentially misdiagnosed patients prior to LQTS diagnosis. Our data support that LQTS may be considered a multiorgan disease and suggest that patient management should be adjusted accordingly.

U2 - 10.1136/openhrt-2019-001161

DO - 10.1136/openhrt-2019-001161

M3 - Journal article

VL - 6

SP - e001161

JO - Open Heart

JF - Open Heart

SN - 2053-3624

IS - 2

ER -

ID: 59123962