Abstract
Acute ischemic stroke poses a significant health threat, and thrombectomy has become a routine treatment. Tirofiban has emerged as a promising adjunct therapy to minimize reocclusion after thrombectomy. We aimed to investigate whether renal function influences the safety and efficacy of tirofiban in patients undergoing endovascular therapy. Patients' clinical data collected from the stroke unit were analyzed. The modified Rankin scale score and symptomatic intracranial hemorrhage (sICH) were used as outcome measures. A total of 409 patients (mean age: 66.5 years, 292 males [71.4%]) were included. Tirofiban significantly improved 3-month functional outcomes (adjusted odds ratio [aOR] = 2.408, 95% confidence interval [CI] 1.120-5.175), reduced 3-month mortality (aOR = 0.364, 95% CI 0.155-0.856), and decreased the incidence of sICH (aOR = 0.339, 95% CI 0.149-0.767) in patients with estimated glomerular filtration rate (eGFR) ≥ 90 mL/min/1.73 m². However, no significant improvement in prognosis was observed with tirofiban in patients with eGFR < 90 mL/min/1.73 m². Interaction analysis suggested a potential influence of renal function on tirofiban efficacy. Renal function may impact the efficacy of tirofiban. Administration of tirofiban in direct thrombectomy patients with normal renal function is safe and improves prognosis. However, the prognostic benefits of tirofiban are limited in patients with impaired renal function.
Published Version
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