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001), PROMIS-GH Physical Health (P = .037), and LSSS Ictal (P = .006) scales. Patient-Reported Outcomes Measurement Information System Mental and Physical Health T-scores were worse than the general population (T-score = 50) for patients with both ASyS (44 and 42.5, respectively) and epilepsy (44.2 and 44.6, respectively). After adjusting for age, sex, and race, patients with ASyS reported 38% fewer seizures (P = .006) yet worse QOLIE-10 score (P = .034). We found that scores improved over time for all PROMs except for PROMIS-GH Mental Health. Conclusion Compared to patients with epilepsy, patients with ASyS had fewer seizures but worse epilepsy-specific quality of life. Independent of group status, scores generally improved over time.Background Few data exist regarding the rate of inferior vena cava (IVC) filter retrieval among brain-injured patients. Methods We conducted a retrospective cohort study using inpatient claims between 2009 and 2015 from a nationally representative 5% sample of Medicare beneficiaries. We included patients aged ≥65 years who were hospitalized with acute brain injury. The primary outcome was the retrieval of IVC filter at 12 months and the secondary outcomes were the association with 30-day mortality and 12-month freedom from pulmonary embolism (PE). We used Current Procedural Terminology codes to ascertain filter placement and retrieval and International Classification of Diseases, Ninth Revision, Clinical Modification codes to ascertain venous thromboembolism (VTE) diagnoses. We used standard descriptive statistics to calculate the crude rate of filter placement. We used Cox proportional hazards analysis to examine the association between IVC filter placement and mortality and the occurrence of PE after adjustas uncommon, but once placed, very few filters were removed. IVC filter placement was not associated with a reduced risk of mortality and did not prevent future PE.Background and purpose We sought to determine the proportion of patients with ischemic stroke evaluated by vascular neurologists in the United States. Methods Using 2009 to 2015 claims from a 5% nationally representative sample of Medicare beneficiaries, we identified patients ≥65 years of age who were hospitalized for ischemic stroke. We ascertained the proportion of patients evaluated during the hospitalization or within 90 days of discharge by nonvascular and vascular neurologists. We assessed the relationship between county-level socioeconomic status and the likelihood of neurologist evaluation and between neurologist evaluation and diagnostic testing. Results Among 66 989 patients with ischemic stroke, 37 820 (56.5%) were evaluated by a nonvascular neurologist and 11 700 (17.5%) by a board-certified vascular neurologist. Across increasing quartiles of county socioeconomic advantage, the proportion of patients evaluated by a vascular neurologist was 12.2%, 16.5%, 19.8%, and 23.0%. Relative to evaluation by a nonvascular neurologist, evaluation by a vascular neurologist was associated with a higher likelihood of postdischarge heart rhythm monitoring (odds ratio [OR], 1.8; 95% confidence interval [CI], 1.6-1.9), echocardiography (OR, 1.4; 95% CI, 1.3-1.4), cervical vessel imaging (OR, 1.3; 95% CI, 1.2-1.3), and intracranial vessel imaging (OR, 2.1; 95% CI, 2.0-2.2). Conclusions In a nationally representative cohort of Medicare beneficiaries, we found that about three quarters of patients with ischemic stroke were evaluated by a neurologist, and about one-sixth were evaluated by a vascular neurologist. Patients who were evaluated by a vascular neurologist were significantly more likely to undergo diagnostic testing.Background/objective Alteplase may elevate international normalized ratio (INR) results, although the exact rate of elevation occurrence is not firmly established in the literature. The purpose of this study is to determine the occurrence rate of INR elevation following alteplase administration. We also aimed to determine what factors are independently associated with the development of elevated INR following alteplase administration for ischemic stroke. Methods We conducted a multicenter, retrospective, cohort study of patients who received alteplase for acute ischemic stroke. Patients were screened for baseline INR measurement and a repeat value within 24 hours of alteplase administration. The primary outcome was the percent of patients who experienced ≥0.4-point increase in INR. Secondary outcomes included the rate of adverse bleeding events and identification of factors independently associated with elevated INR following alteplase administration. Results and conclusions Two hundred and sixty-one patients were included, with 44 (16.9%) patients having an INR increase of 0.4 or more. Patients with an INR increase ≥0.4 experienced a nonstatistically significant increase in bleeding episodes (8.8% vs 18.2%; P = .10). We identified African American race (odds ratio, 3.48, 95% confidence interval, 1.5-7.6; P = .002) as an independent predictor of INR increase ≥0.04. An INR elevation is common following receipt of alteplase for ischemic stroke. Rabusertib Those of African American race were at increased risk of INR elevation; however, more studies are needed to determine whether these patients are at a higher bleeding risk as a result of INR elevation.Background We explored factors associated with admission and discharge code status after nontraumatic intracranial hemorrhage. Methods We extracted data from patients admitted to our institution between January 1, 2013, and March 1, 2016 with nontraumatic intracerebral hemorrhage or subarachnoid hemorrhage who had a discharge modified Rankin Scale (mRS) of 4 to 6. We reviewed data based on admission and discharge code status. Results Of 88 patients who met inclusion criteria, 6 (7%) were do not resuscitate (DNR) on admission (aDNR). Do not resuscitate on admission patients were significantly older than those who were full code on admission (P = 0.04). There was no significant difference between admission code status and sex, marital status, active cancer, premorbid mRS, admission Glasgow Coma scale (GCS), Acute Physiology and Chronic Health Evaluation II (APACHE II) score, or bleed severity. At discharge, 66 (75%) patients were full code (dFULL), 11 (13%) were DNR (dDNR), and 11 (13%) were comfort care. African American and Hispanic patients were significantly more likely to be dFULL than Asian or white patients (P = .