Incidence, predictors and outcomes of cardiovascular events in patients with chronic lymphocytic leukemia.

Author:

Ghous Ghulam1,Gvazava Nanuli2,Egwom Peter3,Saleh Mohammad3,Franco Diana4,Shoukat Hafiz Muhammad Hassan5,Au Pak Ho3,Nwabara Kelechi3,Tarar Zahid6

Affiliation:

1. University of Missouri Hospital, Columbia, MO;

2. Universit of Missouri, Columbia, MO;

3. University of Missouri, Columbia, MO;

4. Loyola Medicine/MacNeal Hospital, Berwyn, IL;

5. Premier Health Miami Valley Hospital, Dayton, OH;

6. University of Missouri Columbia, Columbia, MO;

Abstract

e19524 Background: CLL accounts for about one-quarter of the new cases of leukemia and affects mainly elderly population. Recent literature highlights increased cardiovascular events in patients with CLL, notably those being treated with targeted therapy such as Bruton tyrosine kinase inhibitors. Here we examine data obtained from the National Inpatient Sample to find out incidence, predictors and outcomes of cardiovascular events in patients with CLL. Methods: We analyzed the National inpatient database from year 2019 and extracted the data of all patients with CLL. Multivariate regression analysis was performed to determine the aforementioned outcomes in CLL patients. Results: CLL patients showed increased odds of all cause in-hospital mortality (Adjusted Odds ratio (AOR) 1.28, 95% CI 1.19-1.38, P<0.001) in comparison to general adult population. CLL patients had higher odds of developing Atrial fibrillation (AOR 1.11, 95% CI 1.06-1.15 P <0.001) compared to patients without CLL. CLL patients had significantly higher odds of cardiac tamponade and pericardial effusion (AOR 1.64, 95% CI 1.10-2.42, P<0.001, 1.65 95% CI 1.43-1.92, P<0.001) respectively. Odds of congestive heart failure (AOR 0.97, 95% CI 0.93-1.01, P0.10) and atrial flutter (AOR 1.03, 95% CI 0.93-1.17, P 0.55) were similar between CLL patients and general adult populations. Patients with CLL have Increased mean hospital length of stay (adjusted mean LOS 0.51, 95% CI 0.42-0.61, p<0.001) and mean total hospital charges (adjusted mean charges 2006$, 95% CI 173$-3840$, P 0.03). [Table] We investigated the predictors of inpatient mortality in CLL patients and found that increase in age, black race, acute kidney injury, alcohol use, malnutrition and weekend admissions were associated with higher odds of mortality, whereas smoking, obesity, and female gender showed lower odds of mortality. Conclusions: CLL patients are at increased risk of developing atrial fibrillation, pericardial effusion, pericardial tamponade and all-cause in hospital mortality compared to their non-CLL counterparts, even after accounting for variables such as age, gender etc. Moreover, CLL patients have higher inpatient mortality associated with certain factors such as age progression, AKI, black race, alcohol abuse and malnutrition. Patients should be referred to cardiologist early and cardiovascular status should be optimized especially before initiating targeted therapy.[Table: see text]

Funder

None.

Publisher

American Society of Clinical Oncology (ASCO)

Subject

Cancer Research,Oncology

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