Cardiac Troponin Variation Trends in Patients With Acute Pulmonary Embolism

Document Type : Original Article

Authors

1 Cardiovascular Intervention Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, IR Iran.

2 Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, IR Iran.

Abstract

Background: Pulmonary embolism (PE) is among the deadliest diseases in that it can cause sudden death. The present study aimed to determine cardiac troponin I (CTnI) variation trends in patients with acute PE referred to Rajaie Cardiovascular Medical and Research Center.
 
Methods: This cross-sectional descriptive-analytical study consecutively enrolled 54 patients with acute PE. Variation trends of CTnI were measured in the study population at 5 different time points: upon admission and subsequently 8, 24, 48, and 72 hours post-admission. The relationships between CTnI variation trends and computed tomography angiography, echocardiography, and electrocardiography findings were investigated. CTnI variation trends were compared between a group undergoing catheter-directed thrombolysis (CDT) and a group receiving the conventional anticoagulant treatment. The data were analyzed using the SPSS software, version 20.
 
Results: A reduction was observed in the CTnI variation trends of all the samples. Both groups exhibited a decline in CTnI levels, but the slope of this reduction was steeper in the CDT group (P=0.04). Additionally, a significant relationship was also detected between CTnI reduction and right ventricular function improvement (P=0.04). No significant association was observed between systolic pulmonary artery pressure changes and CTnI variation trends.
 
Conclusions: The results indicated a significant relationship between reduced CTnI levels and improved right ventricular function. Additionally, the CDT group showed a significant fall in the CTnI level compared with the anticoagulant-only group. (Iranian Heart Journal 2022; 23(1): 198-204)

Keywords

References

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Iranian Heart Journal
Volume 23, Issue 1
January 2022
Pages 198-204

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