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Abstract Details

Mechanical Thrombectomy In Acute Ischemic Stroke: Etiology And Trends Of Readmissions In A National Population-based Cohort Study (2010-2014)
Cerebrovascular Disease and Interventional Neurology
P1 - Poster Session 1 (5:30 PM-6:30 PM)
3-040
Our primary aim was to estimate national rates of preventable readmissions after Mechanical thrombectomy in Acute ischemic stroke (AIS) using National readmission database.
Understanding the causes associated with 30-day readmissions following mechanical thrombectomy (MT) is critical to reduce the cost and improving the quality of life in AIS patients.
Nationwide Readmissions Database (NRD) from 2010-14 was utilized to identify AIS using appropriate ICD-9CM codes in primary diagnosis fields. MT was identified by ICD9 procedure code 39.74 in any procedural field. Admissions within 30 day of index admission were considered as early readmission. Readmission causes were identified by ICD 9 CM code in primary diagnosis field of readmissions. P values for trends were generated by Cochrane-Armitage test for categorical variables and simple linear regression for continuous variables.

We identified 20,772 AIS patients who underwent MT, Mean age was 68 years and procedures were distributed equally in both genders. MT hospitalizationprogressively increased from 2,533 in 2010 to 5,598 in 2014, with similar rising trends in 30-day readmission from 272 in 2010 to 597 in 2014. Most patients received MT at large (85.9%) and teaching (83%) hospitals. 2237 (10.8%) patients were readmitted within 30 days. 50% of all readmissions were within 11 days of discharge from index admission. Common causes of readmission were neurological (22.8%), cardiac (21.5%), infections (13.3%), kidney or urinary causes (9%), pulmonary causes (8.5%), bleeding (4.8%). Major neurological causes were ischemic stroke (11.8%), intracerebral hemorrhage (3.7%) and transient ischemic attack (1.2%). Heart failure (4.8%), atrial fibrillation were the most common cardiac causes of readmission.
1 in 10 patients who underwent MT for AIS were readmitted; 50% of them in first 11 days due to neurological and cardiac causes. Our study helps early identification of high risk patients and aids in allocation of resources to reduce readmissions.
Authors/Disclosures
Weizhe Li, MD, PhD
PRESENTER 		No disclosure on file
Xiyan Yi, MD Dr. Yi has nothing to disclose.
Chirag N. Savani, MD (Tampa General Hospital) No disclosure on file
Tejinder Singh, MD (Reading Hospital- Towerhealth- Division of Neurology) Dr. Singh has nothing to disclose.
Sukriye Damla Kara, MD Dr. Kara has nothing to disclose.
No disclosure on file
William S. Burgin, MD Dr. Burgin has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for VuEssence. Dr. Burgin has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Genentech. Dr. Burgin has stock in VuEssence. The institution of Dr. Burgin has received research support from VuEssence. The institution of Dr. Burgin has received research support from Bristol-Myers Squibb. The institution of Dr. Burgin has received research support from ReNeuron.
Swetha Renati, MD (University of South Florida) Dr. Renati has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Bayer. Dr. Renati has received personal compensation in the range of $500-$4,999 for serving as a NeuroSAE with 好色先生 .