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Submitted: 15 April 2019 Modified: 17 July 2019
HERDIN Record #: 100731-19041513261697

Absolute neutrophilia as predictor for the development of early-onset congestive heart failure in the patients admitted for acute myocardial infarction.

Wilfredo M. Ypil Jr.,
Santos Jose Abad

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Background: The occurrence of congestive heart failure (CHF) during hospitalization for acute myocardial infarction (AMI) is an important factor influencing morbidity and mortality. AMI is frequently associated with leukocytosis. Studies have shown that the cytokines released from neutrophils have negative inotropic effects and hence, contribute to the development of CHF. This study aims to determine if there is a correlation between absolute neutrophil count (ANC) on admission of patients with AMI and the development of early-onset CHF in such patients.


Design and Setting: Retrospective, cohort study at Philippine Heart Center (PHC), tertiary medical center. Patients: A total cohort of 152 patients discharged with a diagnosis of AMI who presented initially as Killip 1 on admission between January 1,1996 to December 31,2000, were included. Main Outcome Measure: Development of CHF within 4 days frc m hospital admission documented in the medical records as clinical symptoms (progression to Killip 2, 3 or 4) confirmed by chest radiologic and/or echocardiographic findings.'


Results: Statistical analyses were performed to examine the relation between the ANC and the development of CHF in the first 4 days after AMI while controlling for baseline characteristics and therapeutic interventions. The mean ANC is 12.3 +/-0.5 X 109/L in the group of patients who developed CHF compared with 7.8 +/-0.3 x 109/L in those who did not. Multivariable analysis revealed a significant correlation with increasing ANC and subsequent development of CHF(adj. OR=10.8; 95% CI=5.08, 22.97). Other factors found to have a strong c - .lation wit~ldevelopment of CHF are the presence of diabetes mellitus (adj. OR = 2.48; 95% CI=I.44, 5.38) and use of nitrates (adj. OR=3.12 95% CI=1.5, 6.47). Subgroup analysis further revealed that high ANC is correlated with increasing Killip class on day 4 (r=0.565; p<O.OOI)


Conclusions: High ANC on admission in patients with AMI is associated with the early development of CHF, which may help in the identification of high risk patients who might benefit from more aggressive interventions to prevent or reduce the risk ofCHF.

Publication Type
Research Report
Date
January 1-December 31, 2000
LocationLocation CodeAvailable FormatAvailability
Philippine Heart Center Medical Library PHC.R.021.00 Fulltext Print Format

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