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Out-of-Hospital Cardiac Arrest in Patients With and Without Psychiatric Disorders: Differences in Use of Coronary Angiography, Coronary Revascularization, and Implantable Cardioverter-Defibrillator and Survival.

ABSTRACT: Background Healthcare disparities for psychiatric patients are common. Whether these inequalities apply to postresuscitation management in out-of-hospital cardiac arrest (OHCA) is unknown. We investigated differences in in-hospital cardiovascular procedures following OHCA between patients with and without psychiatric disorders. Methods and Results Using the Danish nationwide registries, we identified patients admitted to the hospital following OHCA of presumed cardiac cause (2001-2015). Psychiatric disorders were identified using hospital diagnoses or redeemed prescriptions for psychotropic drugs. We calculated age- and sex-standardized incidence rates and incidence rate ratios (IRRs) of cardiovascular procedures during post-OHCA admission in patients with and without psychiatric disorders. Differences in 30-day and 1-year survival were assessed by multivariable logistic regression in the overall population and among 2-day survivors who received acute coronary angiography (CAG). We included 7288 hospitalized patients who had experienced an OHCA: 1661 (22.8%) had a psychiatric disorder. Compared with patients without psychiatric disorders, patients with psychiatric disorders had lower standardized incidence rates for acute CAG (≤1 day post-OHCA) (IRR, 0.51; 95% CI, 0.45-0.57), subacute CAG (2-30 days post-OHCA) (IRR, 0.40; 95% CI, 0.30-0.52), and implantable cardioverter-defibrillator implantation (IRR, 0.67; 95% CI, 0.48-0.95). Conversely, we did not detect differences in coronary revascularization among patients undergoing CAG (IRR, 1.11; 95% CI, 0.94-1.30). Patients with psychiatric disorders had lower survival even among 2-day survivors who received acute CAG: (odds ratio of 30-day survival, 0.68; 95% CI, 0.52-0.91; and 1-year survival, 0.66; 95% CI, 0.50-0.88). Conclusions Psychiatric patients had a lower probability of receiving post-OHCA CAG and implantable cardioverter-defibrillator implantation compared with nonpsychiatric patients but the same probability of coronary revascularization among patients undergoing CAG. However, their survival was lower irrespective of angiographic procedures.

SUBMITTER: Barcella CA

PROVIDER: S-EPMC6759883 | biostudies-other | 2019 Aug

REPOSITORIES: biostudies-other

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Out-of-Hospital Cardiac Arrest in Patients With and Without Psychiatric Disorders: Differences in Use of Coronary Angiography, Coronary Revascularization, and Implantable Cardioverter-Defibrillator and Survival.

Barcella Carlo Alberto CA Mohr Grimur Høgnason GH Kragholm Kristian Hay KH Gerds Thomas Alexander TA Jensen Svend Eggert SE Polcwiartek Christoffer C Wissenberg Mads M Lippert Freddy Knudsen FK Torp-Pedersen Christian C Kessing Lars Vedel LV Gislason Gunnar Hilmar GH Søndergaard Kathrine Bach KB

Journal of the American Heart Association 20190817 16

Background Healthcare disparities for psychiatric patients are common. Whether these inequalities apply to postresuscitation management in out-of-hospital cardiac arrest (OHCA) is unknown. We investigated differences in in-hospital cardiovascular procedures following OHCA between patients with and without psychiatric disorders. Methods and Results Using the Danish nationwide registries, we identified patients admitted to the hospital following OHCA of presumed cardiac cause (2001-2015). Psychiat ...[more]

PMID: 31423870

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Project description:Background One third of primary prevention implantable cardioverter-defibrillator patients receive appropriate therapy, but all remain at risk of defibrillator complications. Information on these complications in contemporary cohorts is limited. This study assessed complications and their risk factors after defibrillator implantation in a Dutch nationwide prospective registry cohort and forecasts the potential reduction in complications under distinct scenarios of updated indication criteria. Methods and Results Complications in a prospective multicenter registry cohort of 1442 primary implantable cardioverter-defibrillator implant patients were classified as major or minor. The potential for reducing complications was derived from a newly developed prediction model of appropriate therapy to identify patients with a low probability of benefitting from the implantable cardioverter-defibrillator. During a follow-up of 2.2 years (interquartile range, 2.0-2.6 years), 228 complications occurred in 195 patients (13.6%), with 113 patients (7.8%) experiencing at least one major complication. Most common ones were lead related (n=93) and infection (n=18). Minor complications occurred in 6.8% of patients, with lead-related (n=47) and pocket-related (n=40) complications as the most prevailing ones. A surgical reintervention or additional hospitalization was required in 53% or 61% of complications, respectively. Complications were strongly associated with device type. Application of stricter implant indication results in a comparable proportional reduction of (major) complications. Conclusions One in 13 patients experiences at least one major implantable cardioverter-defibrillator-related complication, and many patients undergo a surgical reintervention. Complications are related to defibrillator implantations, and these should be discussed with the patient. Stricter implant indication criteria and careful selection of device type implanted may have significant clinical and financial benefits.

Project description:ImportanceCardiac resynchronization therapy (CRT) reduces the risk for mortality and heart failure-related events in select patients. Little is known about the use of CRT in combination with an implantable cardioverter defibrillator (ICD) in patients who are eligible for this therapy in clinical practice.ObjectiveTo (1) identify patient, clinician, and hospital characteristics associated with CRT defibrillator (CRT-D) use and (2) determine the extent of hospital-level variation in the use of CRT-D among guideline-eligible patients undergoing ICD placement.Design, setting, and participantsMulticenter retrospective cohort from 1428 hospitals participating in the National Cardiovascular Data Registry ICD Registry between April 1, 2010, and June 30, 2014. Adult patients meeting class I or IIa guideline recommendations for CRT at the time of device implantation were included in this study.Main outcomes and measuresImplantation of an ICD with or without CRT.ResultsA total of 63 506 eligible patients (88.6%) received CRT-D at the time of device implantation. The mean (SD) ages of those in the ICD and CRT-D groups were 67.9 (12.2) years and 68.4 (11.5) years, respectively. In hierarchical multivariable models, black race was independently associated with lower use of CRT-D (odds ratio [OR], 0.77; 95% CI, 0.71-0.83) as was nonprivate insurance (OR, 0.90; 95% CI, 0.85-0.95 for Medicare and OR, 0.73; 95% CI, 0.65-0.82 for Medicaid). Clinician factors associated with greater CRT-D use included clinician implantation volume (OR, 1.01 per 10 additional devices implanted; 95% CI, 1.01-1.01) and electrophysiology training (OR, 3.13 as compared with surgery-boarded clinicians; 95% CI, 2.50-3.85). At the hospital level, the overall median risk-standardized rate of CRT-D use was 79.9% (range, 26.7%-100%; median OR, 2.08; 95% CI, 1.99-2.18).Conclusions and relevanceIn a national cohort of patients eligible for CRT-D at the time of device implantation, nearly 90% received a CRT-D device. However, use of CRT-D differed by race and implanting operator characteristics. After accounting for these factors, the use of CRT-D continued to vary widely by hospital. Addressing disparities and variation in CRT-D use among guideline-eligible patients may improve patient outcomes.

Project description:Background In survivors of sudden cardiac arrest with obstructive coronary artery disease, it remains challenging to distinguish ischemia as a reversible cause from irreversible scar-related ventricular arrhythmias. We aimed to evaluate the value of implantable cardioverter-defibrillator (ICD) implantation in sudden cardiac arrest survivors with presumably reversible ischemia and complete revascularization. Methods and Results This multicenter retrospective cohort study included 276 patients (80% men, age 67±10 years) receiving ICD implantation for secondary prevention. Angiography was performed before ICD implantation. A subgroup of 166 (60%) patients underwent cardiac magnetic resonance imaging with late gadolinium enhancement before implantation. Patients were divided in 2 groups, (1) ICD-per-guideline, including 228 patients with incomplete revascularization or left ventricular ejection fraction ≤35%, and (2) ICD-off-label, including 48 patients with complete revascularization and left ventricular ejection fraction >35%. The primary outcome was time to appropriate device therapy (ADT). During 4.0 years (interquartile range, 3.5-4.6) of follow-up, ADT developed in 15% of the ICD-off-label group versus 43% of the ICD-per-guideline group. Time to ADT was comparable in the ICD-off-label and ICD-per-guideline groups (hazard ratio (HR), 0.46; P=0.08). No difference in mortality was observed (HR, 0.95; P=0.93). Independent predictors of ADT included age (HR, 1.03; P=0.01), left ventricular end-diastolic volume HR, (1.05 per 10 mL increase; P<0.01) and extent of transmural late gadolinium enhancement (HR, 1.12; P=0.04). Conclusions This study demonstrates that sudden cardiac arrest survivors with coronary artery disease remain at high risk of recurrent ventricular arrhythmia, even after complete revascularization and with preserved left ventricular function. Late gadolinium enhancement-cardiac magnetic resonance imaging derived left ventricular volumes and extent of myocardial scar were independently associated with.

Dataset Information

Out-of-Hospital Cardiac Arrest in Patients With and Without Psychiatric Disorders: Differences in Use of Coronary Angiography, Coronary Revascularization, and Implantable Cardioverter-Defibrillator and Survival.

Publications

Out-of-Hospital Cardiac Arrest in Patients With and Without Psychiatric Disorders: Differences in Use of Coronary Angiography, Coronary Revascularization, and Implantable Cardioverter-Defibrillator and Survival.

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