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Abstract P219: Effect Of Hypertension On Clinical Recovery After Stroke Thrombectomy


 Title:
 Effect of hypertension on clinical recovery after stroke thrombectomy
 
 
 Objective:
 Our goal was to identify what vascular risk factors for stroke affect outcomes after mechanical thrombectomy.
 
 
 Methods:
 We retrospectively reviewed stroke thrombectomy patients at our comprehensive stroke center from June 2013 to August 2016. Patients were determined to have atrial fibrillation, hypertension, diabetes, or hyperlipidemia based on historical information pre-treatment or based on hospital records during their index hospitalization. All patients in our series achieved recanalization after thrombectomy defined as a Thrombolysis in cerebral infarction (TICI) score of 2b or higher. Our endpoint was mild to moderate disability at 90 days defined by the modified Rankin Scale (mRS) score of 2 or less. We performed a univariate analysis on the above covariates affecting clinical outcome and studies all variables with a p-value of < 0.2 in a multivariate analysis to determine which independent variables affected outcome. Multi-variate analyses were performed separately for males and females.
 
 
 Results:
 We reviewed 288 stroke patients that underwent thrombectomy. The mean age was 69±15; NIHSS was 17±6; 36% (104 of 288) received t-PA and 42% (121 of 288) had a modified Rankin Score of
 <
 2. 42.7% (123 of 288) were females. From the entire group, 47.5% (137 of 288) had atrial fibrillation, 29% (83 of 288) had diabetes mellitus 68% (197 of 288) had hypertension, 38.5% (111 of 288) had hyperlipidemia and 16% (47 of 288) had a history of tobacco smoking. After considering positive univariates from above, our multivariate logistic regression model identified that not having hypertension [
 
 OR 2.32, CI 1.01-5.41,
 p=0.05
 
 ] predicted better outcome post thrombectomy procedure for males after a successful recanalization.
 
 
 Conclusion:
 Our analysis suggests that, for males, the odds of a positive outcome after a successful thrombectomy procedure is positively influenced when the patient is not hypertensive. No traditional risk factor appeared to influence the outcome in females. Further prospective study is required to validate these findings.
