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Elyar Sadeghi-Hokmabadi, Mehdi Farhoudi, Aliakbar Taheraghdam, Mazyar Hashemilar, Daryous Savadi-Osguei, Reza Rikhtegar, Kaveh Mehrvar, Ehsan Sharifipour, Parisa Youhanaee, Reshad Mirnour Neurosciences Research Center, Neurology Department, Tabriz University of Medical Sciences, Tabriz, East Azerbaijan, Iran Background: In developing countries, intravenous thrombolysis (IVT) is available at a limited number of centers. This study aimed to assess the feasibility and safety of IVT at Tabriz Imam Reza Hospital. Methods: In a prospective study, over a 55-month period, any patient at the hospital for whom stroke code had been activated was enrolled in the study. Data on demographic characteristics, stroke risk factors, admission blood pressure, blood tests, findings of brain computed tomography (CT) scans, time of symtom onset, time of arrival to the emergency department, time of stroke code activation, time of CT scan examination, and the time of recombinant tissue plasminogen activator administration were recorded. National Institutes of Health Stroke Scale assessments were performed before IVT bolus, at 36 hours, at either 7 days or discharge (which ever one was earlier), and at 3-month follow-up. Brain CT scans were done for all patients before and 24 hours after the treatment. Results: Stroke code was activated for 407 patients and IVT was done in 168 patients. The rate of functional independence (modified Rankin Scale [mRS] 0–1) at 3 months was 39.2% (62/158). The mortality rate at day 7 was 6% (10/168). Hemorrhagic transformation was noted in 16 patients (9.5%). Symptomatic intracranial hemorrhage occurred in 5 (3%), all of which were fatal. One case of severe urinary bleeding and one other fatal case of severe angioedema were observed. Conclusion: During the first 4–5 years of administration of IVT in the hospital, it was found to be feasible and safe, but to increase the efficacy, poststroke care should be more organized and a stroke center should be established. Keywords: stroke, developing countries, thrombolytic therapy, code team, rtPA, functional independence

Haleh Mikaeili,1 Mohammad Yazdchi,2 Shiva Solahaye Kahnamouii,2 Elyar Sadeghi-Hokmabadi,2 Reshad Mirnour2 1Tuberculosis and Lung Diseases Research Center, Tabriz University of Medical Science, Tabriz, Iran; 2Neuroscience Research Center, Tabriz University of Medical Science, Tabriz, Iran Background: Chronic obstructive pulmonary disease (COPD) is a major public health problem worldwide. The aim of this study was to evaluate the rate of optic neuropathy in COPD patients.Methods: Forty patients diagnosed with COPD and 60 healthy subjects as control group enrolled. After examination by a pulmonary subspecialist, patients were ranked by Global initiative for chronic Obstructive Lung Disease (GOLD) criteria, and patients with zero grades on GOLD criteria were excluded. Visual evoked potential by checkerboard (raster background) method with a frequency of 2 Hz were done for all participants. P-values less than 0.05 were considered as significant.Results: Fifty-five percent of COPD patients had visual evoked potential abnormalities. Mean P100 latency in both eyes was significantly longer in COPD patients. Average P100/N140 amplitude in both eyes were insignificantly higher in COPD.Conclusion: Higher P100 latency in COPD patients shows demyelinating type of optic nerve involvement; however, further investigation in this area is needed. Keywords: visual evoked potential, neuropathy, COPD