Long QT syndrome is associated with an increased burden of diabetes, psychiatric and neurological comorbidities: A nationwide cohort study
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Long QT syndrome is associated with an increased burden of diabetes, psychiatric and neurological comorbidities : A nationwide cohort study. / Marstrand, Peter; Theilade, Juliane; Andersson, Charlotte; Bundgaard, Henning; Weeke, Peter E.; Tfelt-Hansen, Jacob; Jespersen, Camilla; Gislason, Gunnar; Torp-Pedersen, Christian; Kanters, Jørgen K.; Jørgensen, Mads E.
I: Open Heart, Bind 6, Nr. 2, e001161, 2019.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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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.
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.
KW - comorbidity
KW - diabetes
KW - epilepsy
KW - hearing loss
KW - long QT syndrome
U2 - 10.1136/openhrt-2019-001161
DO - 10.1136/openhrt-2019-001161
M3 - Journal article
C2 - 31749975
AN - SCOPUS:85074680971
VL - 6
JO - Open Heart
JF - Open Heart
SN - 2398-595X
IS - 2
M1 - e001161
ER -
ID: 230688773