Person: BAKAR, HACI MUSTAFA
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BAKAR
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HACI MUSTAFA
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Publication Association of brain volume and cognition in the chronic and episodic migraine patients(Sage Publications, 2013-06-01) Zarifoğlu, Mehmet; Şener, D. K.; Karlı, Nejdet; Hakyemez, Bahattin; Taşkapılıoğlu, Özlem; Özbek, Sevda Erer; Bakar, Mustafa; ZARİFOĞLU, MEHMET; Şener, D. K.; KARLI, HAMDİ NECDET; HAKYEMEZ, BAHATTİN; Taşkapılıoğlu, Özlem; ERER ÖZBEK, ÇİĞDEM SEVDA; BAKAR, HACI MUSTAFA; Uludağ Üniversitesi/Tıp Fakültesi/Nöroloji Bölümü; 0000-0003-4436-3797; AAI-2318-2021; AAK-6623-2020; EHN-5825-2022; IOZ-7564-2023; CXD-7623-2022; DLN-1836-2022; EKN-8251-2022Publication Paroxysmal amnesia attacks due to hashimoto's encephalopathy(Hindawi Ltd, 2016-01-01) Şenol, Pelin Nar; BORA, İBRAHİM HAKKI; Demir, Aylin Bican; BİCAN DEMİR, AYLİN; Bora, İbrahim; BAKAR, HACI MUSTAFA; Bakar, Mustafa; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Nöroloji Anabilim Dalı.; 0000-0001-6739-8605; JCE-6657-2023; V-7170-2017Hashimoto's encephalopathy is a rare disease which is thought to be autoimmune and steroid responsive. The syndrome is characterized by cognitive impairment, encephalopathy, psychiatric symptoms, and seizures associated with increased level of anti-thyroid antibodies. The exact pathophysiology underlying cerebral involvement is still lesser known. Although symptoms suggest a nonlesional encephalopathy inmost of the cases, sometimes the clinical appearance can be subtle and may not respond to immunosuppressants or immunomodulatory agents. Here we report a case who presented with drowsiness and amnestic complaints associated with paroxysmal electroencephalography (EEG) abnormalities which could be treated only with an antiepileptic drug.Publication Cerebral venous sinus thrombosis in women: Subgroup analysis of the VENOST study(Hindawi, 2020-05-15) Uludüz, Derya; Sahin, Sevki; Duman, Taşkın; Öztürk, Şerefnur; Yayla, Vildan; Afşar, Nazire; Uzuner, Nevzat; Midi, Ipek; Çınar, Nilgün; Sungur, Mehmet Ali; Domaç, Füsun Mayda; İnce, Birsen; Göksan, Baki; Mısırlı, Cemile Handan; Bakar, Mustafa; Kozak, Hasan Hüseyin; Çolakoğlu, Sena; Karahan, Ali Yavuz; Göksu, Eylem Özaydın; Özdağ, Fatih; Şenol, Mehmet Güney; Yürekli, Vedat Ali; Aluçlu, Ufuk; Demir, Serkan; Küçükoğlu, Hayriye; Oruç, Serdar; Yeşilot, Nilüfer; Küsbeci, Özge Yımaz; Nazliel, Bijen; Tokuç, Firdevs Ezgi Uçan; Bektaş, Hesna; Taşcılar, Fatma Nida; Aytaç, Emrah; Gökçe, Mustafa; Çağlayan, Hale Zeynep Batur; Tüfekci, Ahmet; Uzuner, Gülnur; Örken, Dilek Necioğlu; Yalın, Osman Özgür; Utku, Uygar; Yılmaz, Arda; Genç, Hamit; Çabalar, Murat; Milanlıoğlu, Ayşel; Ekmekci, Hakan; Zeydan, Burcu; Baybas, Sevim; Kablan, Yüksel; Göksel, Başak Karakurum; Açıkgöz, Mustafa; Kurucu, Hatice; Demirci, Seden; Güneş, Taşkın; BAKAR, HACI MUSTAFA; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Nöroloji Anabilim Dalı.; EKN-8251-2022Background. Early diagnosis of cerebral venous sinus thrombosis (CVST) associated with reproductive health-related risk factors (RHRF) including pregnancy, puerperium, and oral contraceptive (OC) use can prevent severe neurological sequelae; thus, the symptoms must be documented in detail for each group.Methods. Out of 1144 patients with CVST, a total of 777 women were enrolled from a multicenter for the study of cerebral venous sinus thrombosis (VENOST). Demographic, biochemical, clinical, and radiological aspects were compared for 324 cases with RHRF and 453 cases without RHRF.Results. The mean age of the RHRF (-) group (43.2 +/- 13 years) was significantly higher than of the RHRF (+) group (34 +/- 9years). A previous history of deep venous thrombosis (3%), isolated cavernous sinus involvement (1%), cranial neuropathy (13%), comorbid malignancy (7%), and its disability scores after 12 months (9%) were significantly higher in the RHRF (-) group. The RHRF (+) group consisted of 44% cases of puerperium, 33% cases of OC users and 23% of pregnant women. The mean age was found to be higher in OC users (38 +/- 9years). A previous history of deep venous thrombosis was slightly higher in the pregnancy subgroup (4%). Epileptic seizures were more common in the puerperium group (44%).Conclusion. The results of our study indicate that the risk of CSVT increases parallel to age, OC use, and puerperium period. In addition, when considering the frequency of findings and symptoms, epileptic seizures in the puerperium subgroup of the RHRF (+) group and malignancies in the RHRF (-) group may accompany the CSVT. In daily practice, predicting these risks for the CSVT and early recognition of the symptoms will provide significant benefits to patients.Publication Evaluation of intracranial atherosclerotic disease risk factors in patients with acute ischemic stroke(Asean Neurological Assoc, 2023-12-01) DİNÇ, YASEMİN; MESUT, GİZEM; Özpar, Rıfat; Hojjati, Farid; HOJJATI, FARID; ÖZPAR, RİFAT; Bakar, Mustafa; HAKYEMEZ, BAHATTİN; BAKAR, HACI MUSTAFA; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Nöroloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Radyoloji Anabilim Dalı.; 0000-0001-6649-9287; 0009-0006-2052-6335; IUQ-6999-2023Background & Objective: Intracranial atherosclerotic disease (ICAD) is a prevalent cause of ischemic stroke and is related to recurrent strokes. In this study, we aim to identify the ICAD rate and establish the risk factors in patients with acute ischemic stroke (AIS) in our population in Turkey. Methods: Eight hundred sixty-two patients diagnosed with AIS in our tertiary centre between 01-01.2019 and 01.01.2021 were retrospectively included in this study. Results: We detected ICAD in 172 ( 20%) patients. While the independent risk factors of anterior ICAD were hypertension and diabetes mellitus, the risk factors of posterior ICAD were advanced age, diabetes mellitus, hyperlipidaemia and vertebral artery hypoplasia. There were more frequent posterior ICAD. Conclusion: There was difference in the risk factors for anterior ICAD and posterior ICAD in this Turkish study.Publication Causes of ischemic stroke in patients with atrial fibrillation(Türk Nöroloji Derneği, 2020-12-01) Dinc, Yasemin; Bakar, Mustafa; Hakyemez, Bahattin; Dinç, Yasemin; DİNÇ, YASEMİN; Bakar, Mustafa; BAKAR, HACI MUSTAFA; Hakyemez, Bahattin; HAKYEMEZ, BAHATTİN; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Radyoloji Anabilim Dalı.; AAI-2318-2021; IUQ-6999-2023Objective: Atrial fibrillation (AF) is the most common cardiac arrhythmia affecting 1% of the adult population. However, ischemic strokes in patients with AF can be triggered by alternative mechanisms, especially in high-risk patients with additional vascular risk factors. In some patients, atherothrombotic mechanisms may cause stroke, and AF may be incidental or a symptom of atherosclerotic disease. In this case, it may be difficult to distinguish cardioembolic stroke from stroke due to large artery atherosclerosis. The aim of this study was to determine the causes of non-cardioembolic ischemic stroke in patients with non-valvular AF and to determine the risk factors for craniocervical atherosclerotic stenosis.Materials and Methods: This study identified risk factors for craniocervical atherosclerotic stenosis in patients followed up at the Uludag University Faculty of Medicine Department of Neurology with a diagnosis of ischemic stroke and non-valvular AF. In this study, 180 patients who were followed up with a diagnosis of non-valvular AF and acute ischemic stroke between January 1st, 2019 - March 1st 2020, in Uludag University Faculty of Medicine Department of Neurology, were retrospectively included.Results: In this study, the non-cardiac stroke rate was 20% in patients with non-valvular AF who had acute ischemic stroke. Ischemic stroke due to large vessel atherosclerosis was found in 14.4% of these patients, and 9.5% of all patients with AF were stented. When dermographic features, clinical features, and risk factors were analyzed for craniocervical atherosclerotic stenosis, a significant statistical result was obtained with male sex (p=0.020) and smoking (p<0.001).Conclusion: Stroke is a heterogeneous group of diseases caused by many complex mechanisms. Prevention of stroke recurrence is possible by starting effective treatment early. The presence of critical artery stenosis in a patient with acute ischemic stroke with AF causes stroke recurrence and this relapse cannot be prevented by anticoagulant treatment. Angiographic evidence also revealed ethnic and racial differences in patients with acute ischemic stroke. Therefore, more precise information can be obtained through prospective studies in our population.Publication Vertebral artery hypoplasia as an independent risk factor of posterior circulation atherosclerosis and ischemic stroke(Lippincott Williams & Wilkins, 2021-09-24) Dinç, Yasemin; Özpar, Rıfat; Emir, Büsra; Hakyemez, Bahattin; Bakar, Mustafa; DİNÇ, YASEMİN; ÖZPAR, RİFAT; HAKYEMEZ, BAHATTİN; BAKAR, HACI MUSTAFA; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Nöroloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Radyolog Anabilim Dalı.; 0000-0001-6649-9287; 0000-0002-3425-0740; IWC-9957-2023; AAH-5062-2021; AAI-2318-2021; EKN-8251-2022Vertebral artery hypoplasia (VAH) is a frequent anatomical variation of vertebral arteries, with emerging evidence suggesting that it contributes to posterior circulation ischemia. However, the relationship between VAH and ischemic stroke remains unknown. Hence, this study aimed to determine the prevalence of VAH in patients diagnosed with acute ischemic stroke who were followed up in a neurology clinic and to determine if it can potentially be a risk factor for atherosclerotic stenosis in vertebrobasilar circulation. This retrospective study included 609 patients diagnosed with acute ischemic stroke between January 1, 2019 and January 1, 2020. Demographic of patients, risk factors, radiological and clinical characteristics were evaluated. Posterior circulation was very common in patients with VAH, and the most common locations of atherosclerotic stenosis were V1 and V4 segments of the vertebral artery and the middle segment of basilar artery. Analysis of the risk factors for atherosclerotic stenosis in patients with posterior circulation acute ischemic stroke suggested that VAH was an independent risk factor. Findings of the study suggest that VAH pre-disposes atherosclerotic stenosis in vertebrobasilar circulation, although its mechanism remains unknown. Hemodynamic parameters associated with atherosclerosis could not be measured in vivo. Thus, to better understand the underlying mechanism, conducting studies that examine blood flow parameters with high-resolution magnetic resonance angiography in patients diagnosed with acute cerebral ischemia patients with VAH is warranted.Publication Hypersomnia in gulllain-barre syndrome: A co-incidental or an aetiological association?(Galenos Publ House, 2021-06-01) Demir, Aylin Bican; Dinc, Yasemin; DİNÇ, YASEMİN; BİCAN DEMİR, AYLİN; Bakar, Mustafa; BAKAR, HACI MUSTAFA; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Nöroloji Anabilim Dalı.; 0000-0001-6739-8605Increased daytime sleepiness, hypersomnia, is a very common symptom in the general population and may cause serious problems in their lives. Hypersomnia may be idiopathic or may occur secondary to other aetiologies. Infections and vaccinations may also be related to hypersomnias. A 74-year-old man complaining of muscle weakness after severe diarrhoea was admitted and diagnosed with Guillain-Barre syndrome (GBS). He also complained of increased daytime sleepiness since the emergence of his weakness, for which all metabolic and endocrine aetiologies were excluded. A full night polysomnography and multiple sleep latency test revealed objective daytime sleepiness and tree episodes of rapid eye movements during sleep periods. Because of the temporal association, the patient was diagnosed with secondary narcolepsy secondary to post-infectious GBS.Publication Cerebral ischemia due to traumatic carotid artery dissection: Case report(Galenos Yayıncılık, 2012-12-01) Şener, Deniz Kamacı; Taşkapılıoğlu, Özlem; Girgin, Nermin Kelebek; Hakyemez, Bahattin; Bakar, Mustafa; Şener, Deniz Kamacı; Taşkapılıoğlu, Özlem; KELEBEK GİRGİN, NERMİN; HAKYEMEZ, BAHATTİN; BAKAR, HACI MUSTAFA; Uludağ Üniversitesi/Tıp Fakültesi/Nöroloji Anabilim Dalı.; Uludağ Üniversitesi/Tıp Fakültesi/Anesteziyoloji ve Reanimasyon Anabilim Dalı.; Uludağ Üniversitesi/Tıp Fakültesi/Radyoloji Anabilim Dalı.; 0000-0003-4436-3797; 0000-0002-3425-0740; IOZ-7564-2023; AAK-6623-2020; AAH-7250-2019; AAI-2318-2021; EKN-8251-2022Blunt injury to the neck region may lead to carotid artery dissection and cerebral ischemia. Blunt injury to carotid artery is not frequent but determination of the presence of trauma in the history of stroke patients will provide early diagnosis and treatment of them. In this article, a case with cerebral ischemia resulting from traumatic carotid artery dissection is presented and clinical findings, diagnostic procedures and choice of treatment are discussed in the light of the literature. Key Words: Carotid artery, dissection,Publication Identifying the risk factors for intracranial herniation in patients with cerebral venous thrombosis(Assoc Arquivos Neuro- Psiquiatria, 2023-05-01) Dinç, Yasemin; Özpar, Rıfat; Hakyemez, Bahattin; Bakar, Mustafa; DİNÇ, YASEMİN; ÖZPAR, RİFAT; HAKYEMEZ, BAHATTİN; BAKAR, HACI MUSTAFA; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Nöroloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Radyoloji Anabilim Dalı.; 0000-0001-6649-9287; 0000-0003-0342-5939; AAH-5062-2021; AAI-2318-2021; IWC-9957-2023; EKN-8251-2022Background Cerebral venous sinus thrombosis (CVST) is not as well understood as an ischemic stroke of arterial origin. Although the prognosis of CVST is usually good, parenchymal lesions may occur in some patients, and the development of intracranial herniation may result in death. For this reason, recognizing the risk factors for intracranial herniation and accurately determining those patients who should undergo decompressive craniectomy is important.Objective This study aims to determine the risk factors for intracranial herniation in patients with CVST.Methods A total of 177 patients diagnosed with CVST between 2015 and 2021 in our tertiary center were retrospectively included in this study.Results Of the 177 patients, 124 were female and 53 were male with mean ages of 40.65 +/- 13.23 and 44.13 +/- 17.09, respectively. Among those, 18 patients had developed intracranial herniation. A significant statistical relationship was observed between superior sagittal sinus thrombosis, sinus rectus thrombosis, venous collateral score, nonhemorrhagic venous infarct, presence of malignancy, small juxtacortical hemorrhage, and cortical vein thrombosis. The binary logistic regression analysis results showed that the most significant variables were the venous collateral score of 0, malignancy, and small juxtacortical hemorrhages.Conclusion This study identified small juxtacortical hemorrhages, the presence of malignancy, and a venous collateral score of 0 to be independent risk factors for intracranial herniation in CVST patients. Drawing on these results, we recommend close clinical observation of CVST patients, as they may be candidates for decompressive craniectomy.Publication Specificity and sensitivity of the SeLECT score in predicting late seizures in patients undergoing intravenous thrombolytic treatment and the effect of diabetes mellitus and leukoaraiosis(Assoc Arquivos Neuro- Psiquiatria, 2023-03-01) Dinç, Yasemin; Demir, Aylin Bican; Özkaya, Güven; Bakar, Mustafa; DİNÇ, YASEMİN; BİCAN DEMİR, AYLİN; ÖZKAYA, GÜVEN; BAKAR, HACI MUSTAFA; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Nöroloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Biyoistatistik Anabilim Dalı.; 0000-0003-0297-846X; 0000-0003-0342-5939; IUQ-6999-2023; A-4421-2016; IWC-9957-2023; KHB-9765-2024; EKN-8251-2022Background Seizures after stroke can negatively affect the prognosis of ischemic stroke and cause a decrease in quality of life. The efficacy of intravenous (IV) recombinant tissue plasminogen activator (rt-PA) treatment in acute ischemic stroke has been demonstrated in many studies, and IV rt-PA treatment has been increasingly used around the world. The SeLECT score is a useful score for the prediction of late seizures after stroke and includes the severity of stroke (Se), large artery atherosclerosis (L), early seizure (E), cortical involvement (C), and the territory of the middle cerebral artery (T). However, the specificity and sensitivity of the SeLECTscore have not been studied in acute ischemic stroke patients that received IV rt-PA treatment.Objective In the present study, we aimed to validate and develop the SeLECT score in acute ischemic stroke patients receiving IV rt-PA treatment.Methods The present study included 157 patients who received IV thrombolytic treatment in our third-stage hospital. The 1-year seizure rates of the patients were detected. SeLECT scores were calculated.Results In our study, we found that the SeLECT score had low sensitivity but high specificity for predicting the likelihood of late seizure after stroke in patients administered IV rt-PA therapy. In addition to the SeLECTscore, we found that the specificity and sensitivity were higher when we evaluated diabetes mellitus (DM) and leukoaraiosis.Conclusion We found that DM was an independent risk factor for late seizures after stroke in a patient group receiving thrombolytic therapy, and late seizures after stroke were less frequent in patients with leukoaraiosis.
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