Association between Time to Thrombolysis and Left Ventricular Systolic Function in Patients with St-Elevation Myocardial Infarction: Unraveling the Relationship
DOI:
https://doi.org/10.37762/jgmds.11-1.537Keywords:
Myocardial infarction, Thrombolysis, Left Ventricular Systolic Function, ST-ElevationAbstract
OBJECTIVES
To determine the association between time to thrombolysis and left ventricular (LV) systolic function in patients with ST-elevation Myocardial Infarction (STEMI).
METHODOLOGY
T This descriptive case series study compared the time to thrombolysis and LV systolic function of 149 STEMI patients. LV systolic function was evaluated following thrombolysis, and data were collected and analyzed using SPSS version 21.0 software. This study was conducted at the Ayub Teaching Hospital Cardiology Department in Abbottabad from August 2022 to January 2023.
RESULTS
The study examined how LV systolic function and symptoms in STEMI patients related to when thrombolysis was administered. The 149 patients analyzed included 28 with normal LV function, 86 with mildly impaired function, 26 with moderately impaired function, and 9 with severely impaired function. In contrast to delayed thrombolysis, which was linked to higher levels of impairment, immediate thrombolysis was correlated with a higher percentage of normal LV function. The prevalence of patients with severely compromised LV function was also higher in those who received thrombolysis within 3 to 6 hours and 9 to 12 hours. LV function was correlated with the type of myocardial infarction, with varying degrees of impairment seen in AWMI and IWMI patients. Gender had no discernible effect on LV function.
CONCLUSION
Improved LV function is associated with early thrombolysis within hours of STEMI symptoms, highlighting the significance of prompt intervention and minimizing wait times for better patient outcomes.
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Copyright (c) 2023 Zia Ullah Khan, Nadia Haleem, Rukhshanda Afsar, Sania Saleem, Saad Shams, Wasif Ullah, Aftab Ahmad
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