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Ventricular Assist Device Therapy in Older Patients With Heart Failure: Characteristics and Outcomes.

Abstract：

BACKGROUND:Limited data exist on outcomes in patients ≥70 years of age supported with the use of continuous-flow left ventricular assist devices (LVADs). METHODS:Data on 1149 continuous-flow LVAD recipients was queried from the Mechanical Circulatory Support Research Network. Groups were assigned based on age: ≥70 years ("older patients") and <70 years. The primary outcome was survival at one-year based on age grouping. RESULTS:Compared with younger patients (54.3 ± 11.2 y; n = 986), older patients (73.4 ± 3.0 y) constituted only 14% of LVAD implants. Older patients had similar rates of device thrombosis (P = .47) and stroke (P = .44), but survival-free of gastrointestinal bleeding (GIB) at 1 year was lower compared with younger patients (58% vs 69%; P < .01). Unadjusted survival at 1 year in older patients was 75% compared with 84% in younger patients, and at 2 years 65% versus 73% (P = .18). Age ≥70 years was not associated with increased mortality (adjusted hazard ratio [aHR] 0.94, 95% confidence interval [CI] 0.70-1.26; P = .67). Preoperative creatinine (aHR 1.57, 95% CI: 1.30-1.89, P < .0001), bilirubin (aHR 1.22, 95% CI 1.05-1.42; P = .010), and ischemic cardiomyopathy (aHR 1.43, 95% CI 1.11-1.84; P = .005) portended increased risk of death. In older patients, the only predictor of mortality was creatinine (HR 2.1, 95% CI 1.2-3.4; P = .007). Creatinine ≥1.4 mg/dL was associated with a 1-year survival of 65%, compared with 84% when the creatinine was <1.4 mg/dL (P = .009). CONCLUSION:Age >70 years is an important consideration when assessing LVAD risk, but other correlates may be more predictive of LVAD survival. Older patients without renal dysfunction have survival similar to younger patients. Older patients should be counseled about age-correlated risks, including higher rates of GIB.

journal_name

J Card Fail

journal_title

Journal of cardiac failure

authors

Kim JH,Singh R,Pagani FD,Desai SS,Haglund NA,Dunlay SM,Maltais S,Aaronson KD,Stulak JM,Davis ME,Salerno CT,Cowger JA,Shah P,Mechanical Circulatory Support Research Network (MCSRN).

doi

10.1016/j.cardfail.2016.10.004

subject

Has Abstract

pub_date

2016-12-01 00:00:00

pages

981-987

issue

eissn

1071-9164

issn

1532-8414

pii

S1071-9164(16)31168-X

journal_volume

pub_type

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Ventricular Assist Device Therapy in Older Patients With Heart Failure: Characteristics and Outcomes.