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re döngüsü bozukluklarından biri olan sitrülinemi, aminoasit metabolizmasında etkin argininosüksinat sentetaz (ASS) enziminin eksikliğine bağlı otozomal resesif geçişli bir hastalık olup, insidansı 1/100.000-1/230.000 arasında değişmektedir. 1 Yenidoğan dönemindeki ölümcül hastalık tablosundan çocukluk çağı ve erişkinlerdeki hafif bulgulara kadar değişen farklı klinik tablolarla karşımıza çıkmaktadır. 2 Tip-2 sitrülinemi; otozomal resesif geçişli, ASS enzim eksikliğine bağlı gelişen erişkin başlangıçlı bir üre siklus defektidir. Klinik tabloya bilinç bulanıklığı, sersemlik, uykuya eğilim, epileptik nöbetler hâkimdir. Erişkin tip genellikle

Objective: The efficacy of warfarin therapy correlates with the Time in Therapeutic Range (TTR). This study aimed to investigate the efficacy and target achievement rates in patients using warfarin who were followed up in stroke outpatient clinics.Methods: In this study, 103 patients who had been under warfarin treatment were retrospectively evaluated. Duration and indications for warfarin use, thrombotic or hemorrhagic complications were recorded. Target INR value was 3.0-3.5 in patients with mechanical valves and 2.0-3.0 in those using warfarin for other indications.Results: In this study, 103 patients with a mean age of 67.14±14.19, 47 men and 56 women, were included. Indications for warfarin use, respectively, were non-valvular atrial fibrillation (AF) in 61.6% of the patients, akinetic/hypokinetic segment on echocardiography (ECHO) in 12.62%, thrombophilia in 8.74%, metallic prosthetic valve in 3.88%, frequent transient ischemic attacks in 6.79%, a hypokinetic segment on ECHO with atrial fibrillation in 5.82% and vertebral artery dissection in 0.87%. 46.8% of the patients were determined to be in good control, with a mean TTR of 64.09%; also, TTR was 100% in 36.8% of them. Minor/major hemorrhagic event was noted in 10 patients (9.70%), two of whom had an intracerebral hemorrhage.Conclusion: The mean TTR value detected in this study is considerably higher than the rate reported in our country. Findings of this study suggest that close monitoring is paramount of importance and vital in patients with stroke. Regular monitoring of stroke patients using warfarin will be beneficial in terms of informing patients, providing optimal anticoagulation and preventing complications.