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Published online: 2018-09-07
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Cardiac sarcoidosis and ventricular arrhythmias. A rare association of a rare disease. A retrospective cohort study from the National Inpatient Sample and current evidence for management

Amr Salama, Abdullah Abdullah, Abdul Wahab, George Eigbire, Ryan Hoefen, Richard Alweis
DOI: 10.5603/CJ.a2018.0104
·
Pubmed: 30234899

open access

Ahead of print
Original articles
Published online: 2018-09-07

Abstract

Background: Sarcoidosis is an increasingly recognized multi-systemic condition. Cardiac sarcoidosis is associated with ventricular arrhythmias and higher mortality rates. Little epidemiological data is available regarding the disease and associated ventricular arrhythmias. Methods: Data from the National Inpatient Sample (NIS) database 2012–2014, were reviewed. Discharges associated with sarcoidosis were identified as the target population using relevant ICD-9-CM codes. Primary outcome was a diagnosis of ventricular tachycardia (VT) in the sarcoidosis population. Secondary outcomes include rate of ventricular fibrillation (VF) and cardiac arrest. Subgroup analyses were performed to examine the association of VT with multiple potential confounding clinical variables. Results: Of 18,013,878 health encounters, 46,289 (0.26%) subjects had a diagnosis of sarcoidosis. VT and VF were more prevalent among patients with sarcoidosis compared to those without a diagnosis of sarcoidosis (2.29% vs. 1.22%; p < 0.001 and 0.25% vs. 0.21%; p < 0.001, respectively). Sarcoidosis was also associated with a higher prevalence of cardiac arrest (0.72% vs. 0.6%; p < 0.001). In unadjusted analyses, all examined comorbidities were significantly more common in those with sarcoidosis, including diabetes mellitus (31.6% vs. 21.25%; p < 0.001), hypertension (65.2% vs. 51.74%; p < 0.001), chronic kidney disease (21.09% vs. 14.02%; p < 0.001), heart failure (24.87% vs. 15%; p < 0.001) and acute coronary syndrome (ACS) (4.32% vs. 3.35%; p < 0.001). Conclusions: The present study showed that sarcoidosis was associated with increased rates of ventricular tachyarrhythmia, which can affect the overall disease morbidity and mortality.

Abstract

Background: Sarcoidosis is an increasingly recognized multi-systemic condition. Cardiac sarcoidosis is associated with ventricular arrhythmias and higher mortality rates. Little epidemiological data is available regarding the disease and associated ventricular arrhythmias. Methods: Data from the National Inpatient Sample (NIS) database 2012–2014, were reviewed. Discharges associated with sarcoidosis were identified as the target population using relevant ICD-9-CM codes. Primary outcome was a diagnosis of ventricular tachycardia (VT) in the sarcoidosis population. Secondary outcomes include rate of ventricular fibrillation (VF) and cardiac arrest. Subgroup analyses were performed to examine the association of VT with multiple potential confounding clinical variables. Results: Of 18,013,878 health encounters, 46,289 (0.26%) subjects had a diagnosis of sarcoidosis. VT and VF were more prevalent among patients with sarcoidosis compared to those without a diagnosis of sarcoidosis (2.29% vs. 1.22%; p < 0.001 and 0.25% vs. 0.21%; p < 0.001, respectively). Sarcoidosis was also associated with a higher prevalence of cardiac arrest (0.72% vs. 0.6%; p < 0.001). In unadjusted analyses, all examined comorbidities were significantly more common in those with sarcoidosis, including diabetes mellitus (31.6% vs. 21.25%; p < 0.001), hypertension (65.2% vs. 51.74%; p < 0.001), chronic kidney disease (21.09% vs. 14.02%; p < 0.001), heart failure (24.87% vs. 15%; p < 0.001) and acute coronary syndrome (ACS) (4.32% vs. 3.35%; p < 0.001). Conclusions: The present study showed that sarcoidosis was associated with increased rates of ventricular tachyarrhythmia, which can affect the overall disease morbidity and mortality.

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Keywords

cardiac sarcoidosis, ventricular tachycardia, ventricular fibrillation, cardiac death

About this article
Title

Cardiac sarcoidosis and ventricular arrhythmias. A rare association of a rare disease. A retrospective cohort study from the National Inpatient Sample and current evidence for management

Journal

Cardiology Journal

Issue

Ahead of print

Published online

2018-09-07

DOI

10.5603/CJ.a2018.0104

Pubmed

30234899

Keywords

cardiac sarcoidosis
ventricular tachycardia
ventricular fibrillation
cardiac death

Authors

Amr Salama
Abdullah Abdullah
Abdul Wahab
George Eigbire
Ryan Hoefen
Richard Alweis

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