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Impact of diabetes on clinical outcome of patients with heart failure undergoing ICD and CRT procedures: results from the German Device Registry.

ABSTRACT: AIMS:Diabetes mellitus (DM) has a negative impact on prognosis in patients with heart failure (HF). The role impact of DM in HF patients with implantable cardioverter defibrillator (ICD) or cardiac resynchronization therapy (CRT) devices might differ and remains unclear. The aim of our study was to investigate the impact of DM on periprocedural complications and clinical outcome in HF patients undergoing ICD or CRT implantation. METHODS AND RESULTS:Within the German Device Registry, data from 50 German centres were collected between January 2007 and February 2014. A retrospective analysis of n = 5329 patients undergoing ICD implantation was conducted. Patients' characteristics, procedural data, periprocedural complications, and post-procedural clinical outcome, including a composite clinical endpoint of all-cause mortality, stroke, and myocardial infarction (MACCE), were analysed. Subgroup analysis were performed for ICD and CRT implantations. Median follow-up was 15.7 (12.9; 20.0) and 16.2 (12.8; 21.2) months in DM and non-DM patients. Of 5329 patients enrolled, n = 1448 (27.2%) had a diagnosis of DM. Within the cohort, 94% of DM and 90% of non-DM patients had a diagnosis of HF. Patients with DM were older, had higher body mass index, and higher rate of cardiovascular comorbidities compared with non-DM patients. Unadjusted and adjusted analyses revealed similar all-over intrahospital periprocedural complication rates in both groups (4.1% vs 3.9%). Unadjusted Kaplan-Meier survival analysis showed higher all-cause mortality after 1 year (9.0% vs 6.3%; log-rank P = 0.001) with higher MACCE rates (10.0% vs 7.3%; P < 0.001) in the DM group versus non-DM patients. After multivariable adjustment for relevant covariates, the association of DM to MACCE disappeared [HR 1.11 (0.89-1.38)]. Because chronic kidney disease (CKD) was clearly associated with increased 1 year MACCE after multivariate adjustment [odds ratio (OR) 2.11 (1.68-2.64)], a subgroup analysis was performed showing a strong trend towards more perioperative complications in DM patients with CKD [OR 2.16 (0.9-5.21)], while no effect of DM was observed in patients without CKD [OR 0.73 (0.42-1.28)]. CONCLUSIONS:The overall risk of periprocedural complications and short-term (1 year) clinical outcome in patients with DM and HF undergoing ICD or CRT defibrillator (CRT-D) implantation was not increased. In contrast, CKD was associated with an increased risk of 1 year MACCE in HF patients undergoing ICD/CRT-D implantation.

SUBMITTER: Kaya E

PROVIDER: S-EPMC7261544 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Impact of diabetes on clinical outcome of patients with heart failure undergoing ICD and CRT procedures: results from the German Device Registry.

Kaya Elif E Senges Jochen J Hochadel Matthias M Eckardt Lars L Andresen Dietrich D Ince Hüseyin H Spitzer Stefan G SG Kleemann Thomas T Maier Sebastian S K SSK Jung Werner W Stellbrink Christoph C Rassaf Tienush T Wakili Reza R

ESC heart failure 20200218 3

<h4>Aims</h4>Diabetes mellitus (DM) has a negative impact on prognosis in patients with heart failure (HF). The role impact of DM in HF patients with implantable cardioverter defibrillator (ICD) or cardiac resynchronization therapy (CRT) devices might differ and remains unclear. The aim of our study was to investigate the impact of DM on periprocedural complications and clinical outcome in HF patients undergoing ICD or CRT implantation.<h4>Methods and results</h4>Within the German Device Registr ...[more]

PMID: 32068978

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Project description:AimsThe aim of this study is to report heart failure hospitalization (HFH) rates and associated costs within 12 months following implantable cardioverter defibrillator (ICD)/cardiac resynchronization therapy defibrillator (CRT-D) device replacement or upgrade from ICD to CRT-D.Methods and resultsThe DEtect long-term COmplications after icD rEplacement (DECODE) was a prospective, single-arm, multicentre cohort study that explored complications in ICD/CRT-D recipients. All clinical and survival data at 12 months were prospectively analysed. For each adjudicated HFH, admission and discharge dates and ICD-9-CM diagnosis and procedure codes were recorded. The reimbursement for each HFH was calculated for each diagnosis-related group code. Between 2013 and 2015, 983 patients (mean age 71 years, male 76%, mean left ventricular ejection fraction 35%, and New York Heart Association Class I/II 75.6%) were enrolled. Patients underwent device replacement (900; 91.6%, 446 ICD/454 CRT-D) or ICD upgrade to CRT-D (83; 8.4%). Post-replacement hospitalizations occurred in 220 patients, with the primary discharge diagnosis identifying cardiovascular causes in 175 patients (80%). Fifty-five (5.6%) patients experienced at least one HFH. Overall, 91 HFH events occurred (9.6% event rate, 95% confidence interval: 7.7-11.7) in 70 patients; 66 (6.7%) patients died, 40 (60.6%) of cardiovascular causes. The HFH rate was significantly higher following upgrades, and the occurrence of HFH was associated with an 11-fold increased mortality risk (95% confidence interval: 5.9-20.5, P < 0.0001). Medical diagnosis-related group accounted for 91.2% of HFH; the mean cost per HFH was €5662 ± 9497, and the mean cost per patient was €9369 ± 12 687. On multivariate analysis, predictors of HFH were atrial fibrillation, chronic kidney disease, and all-cause hospitalization within 30 days prior to the procedure.ConclusionsIn the DECODE registry, HFH and mortality rates in the year following ICD/CRT-D replacement or upgrade were low. In this particular subset, underlying cardiac disease was the main driver of HFH, mortality, and higher healthcare expenditures.

Project description:AimsConcerns about the prognostic value of NYHA functional class (FC) in heart failure (HF) patients carrying a prophylactic implantable cardioverter defibrillator (ICD) are still present. We aimed to compare whether mortality and arrhythmic risk were different, in a cohort of HF patients undergoing ICD-only implant, according to their FC.Methods and resultsHF patients with left ventricle ejection fraction (LVEF) ≤35%, undergoing first prophylactic ICD-only implant were collected from a multicentre nationwide registry (2006-2015). Six hundred and twenty-one patients were identified (101 patients in NYHA I; 411 in NYHA II; 109 in NYHA III). After a mean follow-up of 4.4 years (±2.1), 126 patients died (20.3%). All-cause mortality risk was higher in symptomatic patients: 13.9% in NYHA I patients, 18.3% in NYHA II patients (HR: 1.8, 95% CI 1.1-3.2), and 32.9% in NYHA III patients (HR: 3.9, 95% CI 2.1-7.3). Seventy-eight out of all deaths were due to cardiovascular causes (12.6%). Cardiovascular mortality risk was also higher in symptomatic patients: 6.9% in NYHA I patients, 11% in NYHA II patients (HR: 2.2, 95% CI 1.1-4.9), and 23.9% in NYHA III (HR: 5.5, 95% CI 2.4-12.7). One hundred and seventeen patients received a first appropriate ICD therapy (19.4%). Arrhythmia free survival did not differ among study groups [20.8% in NYHA I patients, 18.7% in NYHA II (HR: 1.1, 95% CI 0.6-1.7) and 20.8% in NYHA III patients (HR: 1.3, 95% CI 0.7-2.5)]. NYHA class independently predicted cardiovascular mortality (NYHA III vs. NYHA I: HR, 4.7; 95% CI, 1.7-12.8, P = 0.002; NYHA II vs. NYHA I: HR, 2.1, 95% CI, 1.0-5.6, P = 0.05) but not all-cause death (NYHA III vs. NYHA I: HR: 1.8, 95% CI 0.8-3.9, P = 0.11; NYHA II vs. NYHA I: HR, 1.1, 95% CI 0.6-2.2, P = 0.71;). Atrial fibrillation, chronic kidney disease, and diabetes emerged as predictors of both all-cause death [(HR: 1.8, 95% CI 1.2-2.8, P = 0.005), (HR: 2.2, 95% CI 1.4-3.4, P < 0.001), (HR: 2.0, 95% CI 1.3-3.1, P = 0.001), respectively] and cardiovascular mortality [(HR: 1.8, 95% CI 1.1-3.1, P = 0.02), (HR: 3.1, 95% CI 1.8-5.4, P < 0.001), (HR: 1.7, 95% CI 1.1-3, P = 0.032), respectively].ConclusionsMortality in HF patients undergoing prophylactic ICD implantation was higher in symptomatic patients. NYHA functional class along with other comorbidities might be helpful to identify a subgroup of ICD carriers with poorer prognosis and higher risk of cardiovascular death.

Dataset Information

Impact of diabetes on clinical outcome of patients with heart failure undergoing ICD and CRT procedures: results from the German Device Registry.

Publications

Impact of diabetes on clinical outcome of patients with heart failure undergoing ICD and CRT procedures: results from the German Device Registry.

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