Hakan Ay

Summary

Publications

  1. ncbi request reprint Creatine kinase-MB elevation after stroke is not cardiac in origin: comparison with troponin T levels
    Hakan Ay
    Department of Neurology, Hacettepe University Hospital, Ankara, Turkey
    Stroke 33:286-9. 2002
  2. ncbi request reprint Unusually prolonged progressing stroke: an expanding anterior cerebral artery infarction
    Hakan Ay
    Department of Neurology, Hacettepe University Hospital, Ankara, Turkey
    Cerebrovasc Dis 13:64-6. 2002
  3. ncbi request reprint 'Footprints' of transient ischemic attacks: a diffusion-weighted MRI study
    Hakan Ay
    Stroke Service of the Neurology, Massachusetts General Hospital, and Harvard Medical School, Boston, Mass, USA
    Cerebrovasc Dis 14:177-86. 2002
  4. ncbi request reprint Hyperhomocysteinemia is associated with the presence of left atrial thrombus in stroke patients with nonvalvular atrial fibrillation
    Hakan Ay
    Department of Neurology, Hacettepe University Hospital, Ankara, Turkey
    Stroke 34:909-12. 2003
  5. ncbi request reprint Conversion of ischemic brain tissue into infarction increases with age
    Hakan Ay
    The AA Martinos Center, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
    Stroke 36:2632-6. 2005
  6. ncbi request reprint Severity of leukoaraiosis and susceptibility to infarct growth in acute stroke
    Hakan Ay
    A A Martinos Center for Biomedical Imaging and Stroke Service, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, 149 13th Street, Room 2301, Charlestown, MA 02129, USA
    Stroke 39:1409-13. 2008
  7. ncbi request reprint Long-term exposure to repetitive hyperbaric oxygen results in cumulative oxidative stress in rat lung tissue
    Kemal Simsek
    Gulhane Military Medical Academy, Department of Undersea and Hyperbaric Medicine, Ankara, Turkey
    Inhal Toxicol 23:166-72. 2011
  8. pmc The prognosis for aphasia in stroke
    Matthew B Maas
    Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
    J Stroke Cerebrovasc Dis 21:350-7. 2012
  9. pmc National Institutes of Health Stroke Scale score is poorly predictive of proximal occlusion in acute cerebral ischemia
    Matthew B Maas
    Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, Mass, USA
    Stroke 40:2988-93. 2009
  10. ncbi request reprint Oxidative stress levels in rats following exposure to oxygen at 3 atm for 0-120 min
    Sukru Oter
    Department of Physiology, Gulhane Military Medical Academy, Ankara, Turkey
    Aviat Space Environ Med 78:1108-13. 2007

Detail Information

Publications54

  1. ncbi request reprint Creatine kinase-MB elevation after stroke is not cardiac in origin: comparison with troponin T levels
    Hakan Ay
    Department of Neurology, Hacettepe University Hospital, Ankara, Turkey
    Stroke 33:286-9. 2002
    ..Troponin T has superior sensitivity and specificity to CK-MB in revealing minor myocardial injury. Therefore, we studied troponin T levels after stroke to determine whether troponin T increases in parallel to CK-MB...
  2. ncbi request reprint Unusually prolonged progressing stroke: an expanding anterior cerebral artery infarction
    Hakan Ay
    Department of Neurology, Hacettepe University Hospital, Ankara, Turkey
    Cerebrovasc Dis 13:64-6. 2002
    ..Occasional patients like ours indicate that stroke is a dynamic disorder with an extremely variable clinical course and state of tissue injury...
  3. ncbi request reprint 'Footprints' of transient ischemic attacks: a diffusion-weighted MRI study
    Hakan Ay
    Stroke Service of the Neurology, Massachusetts General Hospital, and Harvard Medical School, Boston, Mass, USA
    Cerebrovasc Dis 14:177-86. 2002
    ..We aimed to determine the proportion and clinical characteristics of patients with TIA who harbor infarction(s) on DWI...
  4. ncbi request reprint Hyperhomocysteinemia is associated with the presence of left atrial thrombus in stroke patients with nonvalvular atrial fibrillation
    Hakan Ay
    Department of Neurology, Hacettepe University Hospital, Ankara, Turkey
    Stroke 34:909-12. 2003
    ..In the present study, we hypothesized that high homocysteine might be associated with thrombus formation in another stasis-related condition, atrial fibrillation...
  5. ncbi request reprint Conversion of ischemic brain tissue into infarction increases with age
    Hakan Ay
    The AA Martinos Center, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
    Stroke 36:2632-6. 2005
    ..We hypothesize that age is a marker for tissue susceptibility to ischemia and thus plays a role in determining tissue outcome in human stroke...
  6. ncbi request reprint Severity of leukoaraiosis and susceptibility to infarct growth in acute stroke
    Hakan Ay
    A A Martinos Center for Biomedical Imaging and Stroke Service, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, 149 13th Street, Room 2301, Charlestown, MA 02129, USA
    Stroke 39:1409-13. 2008
    ..We hypothesized that the volume of LA correlated with the proportion of initially ischemic but eventually infarcted tissue in acute human stroke...
  7. ncbi request reprint Long-term exposure to repetitive hyperbaric oxygen results in cumulative oxidative stress in rat lung tissue
    Kemal Simsek
    Gulhane Military Medical Academy, Department of Undersea and Hyperbaric Medicine, Ankara, Turkey
    Inhal Toxicol 23:166-72. 2011
    ..Nevertheless, these studies were usually performed with single-session HBO exposure but its clinical use commonly depends on long-term exposure periods...
  8. pmc The prognosis for aphasia in stroke
    Matthew B Maas
    Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
    J Stroke Cerebrovasc Dis 21:350-7. 2012
    ..The purpose of this study is to assess the prognosis for recovery of language function in subjects presenting with aphasia caused by ischemic stroke within 12 hours of symptom onset...
  9. pmc National Institutes of Health Stroke Scale score is poorly predictive of proximal occlusion in acute cerebral ischemia
    Matthew B Maas
    Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, Mass, USA
    Stroke 40:2988-93. 2009
    ..Use of National Institutes of Health Stroke Scale (NIHSS) score to predict a proximal arterial occlusion (PO) is suggested by several case series as a viable method of selecting cases appropriate for multimodal imaging...
  10. ncbi request reprint Oxidative stress levels in rats following exposure to oxygen at 3 atm for 0-120 min
    Sukru Oter
    Department of Physiology, Gulhane Military Medical Academy, Ankara, Turkey
    Aviat Space Environ Med 78:1108-13. 2007
    ..We previously defined the pressure-related oxidative effects of HBO in several tissues of rats. This study was performed to elucidate the relationship of HBO exposure time to its oxidative effects...
  11. doi request reprint Clinical- and imaging-based prediction of stroke risk after transient ischemic attack: the CIP model
    Hakan Ay
    AA Martinos Center for Biomedical Imaging and Stroke Service, Departments of Neurology and Radiology, Massachusetts General Hospital, Harvard Medical School, 149 13th Street, Room 2301, Charlestown MA 02129, USA
    Stroke 40:181-6. 2009
    ..We sought to combine imaging and clinical features to improve predictions for 7-day stroke risk after transient ischemic attack...
  12. pmc Evaluation of the oxidative effect of long-term repetitive hyperbaric oxygen exposures on different brain regions of rats
    Kemal Simsek
    Department of Undersea and Hyperbaric Medicine, Gulhane Military Medical Academy, 06010 Etlik, Ankara, Turkey
    ScientificWorldJournal 2012:849183. 2012
    ..These comparable results provide evidence for the safety of HBO treatments and/or successful adaptive mechanisms at least in the brain tissue of rats, even when administered for longer periods...
  13. pmc Wake-up stroke: clinical and neuroimaging characteristics
    Gisele S Silva
    Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA giselesampaio hotmail com
    Cerebrovasc Dis 29:336-42. 2010
    ..In these patients, in whom the time from symptom onset is uncertain, brain imaging is a potential strategy to characterize the ischemia duration and the presence of salvageable brain tissue...
  14. doi request reprint Interexaminer difference in infarct volume measurements on MRI: a source of variance in stroke research
    Hakan Ay
    Stroke Service, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, 149 13th Street, Room 2301, Charlestown MA 02129, USA
    Stroke 39:1171-6. 2008
    ..We sought to quantify the variance imposed by measurement error in DWI and PWI lesion volume measurements in ischemic stroke...
  15. ncbi request reprint Admission international normalized ratio and acute infarct volume in ischemic stroke
    Hakan Ay
    Department of Neurology, Stroke Service, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02129, USA
    Ann Neurol 64:499-506. 2008
    ..We explored the relation between admission international normalized ratio (INR) and acute infarct volume in patients with ischemic stroke...
  16. pmc Prediction of early stroke risk in transient symptoms with infarction: relevance to the new tissue-based definition
    E Murat Arsava
    A A Martinos Center for Biomedical Imaging, Department of Radiology Massachusetts General Hospital, Harvard Medical School, Charlestown MA 02129, USA
    Stroke 42:2186-90. 2011
    ..We sought to assess the utility of a Web-based recurrence risk estimator (RRE; http://www.nmr.mgh.harvard.edu/RRE/) originally developed for use in patients with ischemic stroke for predicting 7-day risk of stroke in patients with TSI...
  17. ncbi request reprint Time-dependent course of hyperbaric oxygen-induced oxidative effects in rat lung and erythrocytes
    Hakan Ay
    Department of Undersea and Hyperbaric Medicine, Gulhane Military Medical Academy, Ankara, Turkey
    Clin Exp Pharmacol Physiol 34:787-91. 2007
    ..Further studies should focus on the molecular mechanisms that can be activated during this time interval...
  18. pmc Collateral vessels on CT angiography predict outcome in acute ischemic stroke
    Matthew B Maas
    Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, Mass, USA
    Stroke 40:3001-5. 2009
    ....
  19. ncbi request reprint A computerized algorithm for etiologic classification of ischemic stroke: the Causative Classification of Stroke System
    Hakan Ay
    AA Martinos Center for Biomedical Imaging and Stroke Service, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, 149 13th Street, Room 2301, Charlestown, MA 02129, USA
    Stroke 38:2979-84. 2007
    ..In this article, we present an automated version of the SSS-TOAST, the Causative Classification System (CCS), to facilitate its utility in multicenter settings...
  20. pmc Age-dependent susceptibility to infarct growth in women
    Figen Gokcay
    AA Martinos Center for Biomedical Imaging and Stroke Service, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, 149 13th Street, Room 2301, Charlestown, MA 02129, USA
    Stroke 42:947-51. 2011
    ..We sought to identify whether the proportion of initially ischemic to eventually infarcted tissue was different between men and women with ischemic stroke...
  21. ncbi request reprint Middle cerebral artery infarcts encompassing the insula are more prone to growth
    Hakan Ay
    Department of Neurology, A A Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA
    Stroke 39:373-8. 2008
    ....
  22. doi request reprint Extensive leukoaraiosis is associated with high early risk of recurrence after ischemic stroke
    Gyeong Moon Kim
    From the Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea G M K Department of Radiology, A A Martinos Center for Biomedical Imaging G M K, K Y P, R A, J H, B R, H A and Department of Neurology, Stroke Service N R, J R, H A, Massachusetts General Hospital, Harvard Medical School, Boston and Department of Neurology, Chung Ang University Hospital, Chung Ang University College of Medicine, Seoul, Korea K Y P
    Stroke 45:479-85. 2014
    ..We sought to identify whether the extent of leukoaraiosis was a predictor of risk of early stroke recurrence...
  23. pmc Lower hemoglobin correlates with larger stroke volumes in acute ischemic stroke
    W Taylor Kimberly
    Department of Neurology, Massachusetts General Hospital, Boston, Mass, USA
    Cerebrovasc Dis Extra 1:44-53. 2011
    ..Hemoglobin tetramers are the major oxygen-carrying molecules within the blood. We hypothesized that a lower hemoglobin level and its reduced oxygen-carrying capacity would associate with larger infarction in acute ischemic stroke patients...
  24. doi request reprint Similarities and differences of hyperbaric oxygen and medical ozone applications
    Mehmet Ozler
    Department of Physiology, Gulhane Military Medical Academy, Ankara, Turkey
    Free Radic Res 45:1267-78. 2011
    ..We will try to emphasize the similarities and differences of HBO and medical ozone applications in this article...
  25. ncbi request reprint The real estate factor: quantifying the impact of infarct location on stroke severity
    Nina M Menezes
    Athinoula A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital and the Harvard Massachusetts Institute of Technology Division of Health Sciences and Technology, Boston, MA, USA
    Stroke 38:194-7. 2007
    ..In the current study, we sought to quantify the impact of location on neurological deficit severity and to delineate this impact from that of volume...
  26. ncbi request reprint Transient ischemic attack with infarction: a unique syndrome?
    Hakan Ay
    Department of A A Martinos Center for Biomedical Imaging and Stroke Service, Department of Radiology, Boston, MA 02129, USA
    Ann Neurol 57:679-86. 2005
    ..3% in those with ischemic stroke. TIA with infarction appears to have unique features separate from TIA without infarction and ischemic stroke. We propose identifying TSI as a separate clinical syndrome with distinct prognostic features...
  27. pmc Reduction in early stroke risk in carotid stenosis with transient ischemic attack associated with statin treatment
    Aine Merwick
    From the Neurovascular Unit for Translational and Therapeutics Research, Stroke Service and Department of Neurology, Mater Misericordiae University Hospital Dublin Academic Medical Centre, Dublin, Ireland Á M, P J K Department of Neurology and Neurological Sciences, Stanford Stroke Centre, Palo Alto, CA G W A, J M O Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA E M A, H A Department of Neurology, Sainte Anne Hospital, Paris Descartes University, Paris, France D C, J L M Department of Clinical Neurosciences, and Radiology, Hotchkiss Brain Institute, University of Calgary, Calgary, Canada S B C, A M D Department of Neurology, University of Pennsylvania Medical Center, Philadelphia, PA B L C Stroke Prevention Research Unit, John Radcliffe Hospital, Oxford, United Kingdom M F G, P M R Stroke Unit, Department of Neurology, Hospitalt Universitari Arnau de Vilanova de Lleida and Universitat de Lleida, Biomedical Research Institute of Lleida, Lleida, Spain F P Department of Neurology, UCLA Stroke Center J L S Division of Neurology, CA 92138
    Stroke 44:2814-20. 2013
    ..Few data exist on acute statin use in TIA. We aimed to determine whether statin pretreatment at TIA onset modified early stroke risk in carotid stenosis...
  28. pmc Concurrent acute brain infarcts in patients with monocular visual loss
    Johanna Helenius
    A A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
    Ann Neurol 72:286-93. 2012
    ..We sought to determine the frequency of acute brain infarcts on diffusion-weighted imaging (DWI) in patients with monocular visual loss of presumed ischemic origin (MVL)...
  29. pmc Mild induced hypertension improves blood flow and oxygen metabolism in transient focal cerebral ischemia
    Hwa Kyoung Shin
    Stroke and Neurovascular Regulation Laboratory, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA
    Stroke 39:1548-55. 2008
    ..We, therefore, tested whether pharmacologically induced hypertension improves cerebral blood flow and metabolism and tissue outcome in acute stroke using optical imaging with high spatiotemporal resolution...
  30. ncbi request reprint An evidence-based causative classification system for acute ischemic stroke
    Hakan Ay
    A A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
    Ann Neurol 58:688-97. 2005
    ..The SSS-TOAST is a dynamic algorithm that can accommodate modifications as new epidemiological data accumulate and diagnostic techniques advance...
  31. ncbi request reprint CT and conventional and diffusion-weighted MR imaging in acute stroke: study in 691 patients at presentation to the emergency department
    Mark E Mullins
    Neuroradiology Division, Massachusetts General Hospital, Harvard Medical School, 55 Fruit St, GRB285, Boston, MA 02114, USA
    Radiology 224:353-60. 2002
    ..To compare the diagnostic accuracy of computed tomography (CT) and magnetic resonance (MR) imaging in a consecutive series of patients at presentation to the emergency department with symptoms of acute stroke...
  32. ncbi request reprint Protective role of 27bp repeat polymorphism in intron 4 of eNOS gene in lacunar infarction
    Muge Yemisci
    Department of Neurology, Hacettepe University, Ankara, Turkey
    Free Radic Res 43:272-9. 2009
    ..Intron 4aa genotype of eNOS gene seems to be protective for isolated LI and the effect was potentiated by the absence of 786C polymorphism in any allele of the promoter region...
  33. pmc Ischemic-appearing electrocardiographic changes predict myocardial injury in patients with intracerebral hemorrhage
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
    Am J Emerg Med 30:545-52. 2012
    ..Our objective is to examine whether ischemic-appearing ECG changes predict subsequent myocardial injury in the context of ICH...
  34. pmc Transient ischemic attack: definition, diagnosis, and risk stratification
    A Gregory Sorensen
    Department of Radiology, A A Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, 13th Street, CNY149 2301, Boston, MA 02129, USA
    Neuroimaging Clin N Am 21:303-13, x. 2011
    ..The use of neuroimaging in TIA is therefore critical not only for diagnosis but also for accurate risk stratification. In this article, recent advances in diagnostic imaging, categorizations, and risk stratification in TIA are discussed...
  35. ncbi request reprint Echocardiographic predictors of left atrial appendage spontaneous echocontrast in patients with stroke and atrial fibrillation
    Necla Ozer
    Department of Cardiology, Hacettepe University, Ankara, Turkey
    J Am Soc Echocardiogr 18:1362-5. 2005
    ..The purpose of this study was to define the new transesophageal echocardiographic predictors of SEC for patients with stroke and atrial fibrillation...
  36. ncbi request reprint Primary angiitis of the central nervous system and silent cortical hemorrhages
    Hakan Ay
    Department of Neurology, Hacettepe University Hospitals, Sihhiye 06100, Ankara, Turkey
    AJNR Am J Neuroradiol 23:1561-3. 2002
    ..The identification of petechial hemorrhages by gradient-echo MR imaging promises to be a valuable surrogate marker supporting the diagnosis of primary angiitis of the CNS...
  37. doi request reprint Safety of thrombolytic therapy for acute ischemic stroke after recent transient ischemic attack
    James S McKinney
    Department of Neurology, UMDNJ Robert Wood Johnson Medical School, Piscataway, New Jersey 08901, USA
    J Stroke Cerebrovasc Dis 21:551-4. 2012
    ..The objective of this study was to assess the rate of symptomatic intracerebral hemorrhage (SICH) in patients given thrombolytic therapy for acute ischemic stroke (AIS) after recent transient ischemic attack (TIA)...
  38. doi request reprint Diffusion tensor imaging shows structural remodeling of stroke mirror region: results from a pilot study
    Cristina Granziera
    Athinoula A Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
    Eur Neurol 67:370-6. 2012
    ..In this pilot study, we sought to explore the presence of structural changes detectable by diffusion tensor imaging (DTI) in the contralesional hemispheres of patients who recovered well from ischemic stroke...
  39. ncbi request reprint Effect of using local arterial input functions on cerebral blood flow estimation
    Cory Lorenz
    Athinoula A Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Boston, Massachusetts, USA
    J Magn Reson Imaging 24:57-65. 2006
    ....
  40. ncbi request reprint Carotid artery stenting and endarterectomy have different effects on heart rate variability
    Mehmet Demirci
    Hacettepe University Hospitals, Department of Neurology, Ankara, Turkey
    J Neurol Sci 241:45-51. 2006
    ..We aimed to investigate the influence of CEA and CAS on HRV...
  41. pmc Advances in the diagnosis of etiologic subtypes of ischemic stroke
    Hakan Ay
    Stroke Service and A A Martinos Center for Biomedical Imaging, Departments of Neurology and Radiology, Massachusetts General Hospital, Harvard Medical School, 149 13th Street, Room 2301, Charlestown, MA, 02129, USA
    Curr Neurol Neurosci Rep 10:14-20. 2010
    ..This article highlights important theoretical aspects of etiologic stroke classification and reviews major etiologic classification systems that have benefited from recent advances in etiologic stroke evaluation...
  42. ncbi request reprint Effectiveness of hyperbaric oxygen on sudden sensorineural hearing loss: prospective clinical research
    Kadir Dundar
    Undersea and Hyperbaric Medicine Department, Gulhane Military Medical Academy, Ankara, Turkey
    J Otolaryngol 36:32-7. 2007
    ..05) but not in the medical treatment group (p>.05). In the HBO and medical treatment group, average hearing gain on each audiometric frequency was better than in the medical treatment group (p<.05)...
  43. ncbi request reprint Statin potentiates human platelet eNOS activity without enhancing eNOS mRNA and protein levels
    Muge Yemisci
    Department of Neurology, Faculty of Medicine, Hacettepe University, Ankara, Turkey
    Cerebrovasc Dis 26:190-8. 2008
    ..Hence, we investigated changes in eNOS activity, mRNA and protein levels after statin treatment in human platelets, which are readily accessible unlike arteries...
  44. ncbi request reprint Middle ear barotrauma with hyperbaric oxygen therapy: incidence and the predictive value of the nine-step inflation/deflation test and otoscopy
    Serdar Karahatay
    Department of Otorhinolaryngology Head and Neck Surgery, Gulhane Military Medical Academy, Ankara, Turkey
    Ear Nose Throat J 87:684-8. 2008
    ..We conclude that patients with even minor positive pathologic findings on otoscopy immediately following HBOT are at increased risk of middle ear barotrauma if HBOT is to be continued without prophylaxis...
  45. pmc Stroke Genetics Network (SiGN) study: design and rationale for a genome-wide association study of ischemic stroke subtypes
    James F Meschia
    From the Mayo Clinic Jacksonville, FL J F M University of Alabama at Birmingham D K A, L A M Mayo Clinic Rochester, MN R D B Massachusetts General Hospital, Boston, MA H A, J R, O W University of British Columbia, Vancouver, British Columbia, Canada O R B University of Maryland School of Medicine and Veterans Administration Medical Center, Baltimore, MD J W C, P F M, B D M, A R S, S J K University Medical Center Utrecht, Utrecht, The Netherlands P I W d B Brigham and Women s Hospital, Harvard Medical School, Boston, MA P I W d B Broad Institute of Harvard, MIT, Cambridge, MA P I W d B Klinikum der Universität München, Ludwig Maximilians University, Munich, Germany M D Johns Hopkins University, Baltimore, MD K F D University of Texas Health Science Center at Houston M F Saint Francis Medical Center, Lynwood, CA R P G NINDS Neurogenetics Cluster, Bethesda, MD K G IMIM Hospital Universitari del Mar, Barcelona, Spain J J C University of Florida, College of Pharmacy, Gainesville, FL J A J Institute of Neuroscience and Physiology, the Sahlgrenska Academy at University of Gothenburg, Germany
    Stroke 44:2694-702. 2013
    ..The National Institute of Neurological Disorders and Stroke SiGN (Stroke Genetics Network) contributes substantially to meta-analyses that focus on specific subtypes of stroke...
  46. ncbi request reprint Effect of hyperbaric oxygen on flow-mediated vasodilation: an ultrasound study
    Mutlu Saglam
    Department of Radiology, Gulhane School of Medicine, Ankara, Turkey
    J Ultrasound Med 27:209-14. 2008
    ..The purpose of this study was to investigate the effect of hyperbaric oxygen (HBO) treatment on flow-mediated vasodilation (FMD) by ultrasound examination...
  47. pmc Antiplatelet resistance in stroke
    Mehmet Akif Topcuoglu
    Hacettepe University Hospitals, Department of Neurology, Ankara, Turkey
    Expert Rev Neurother 11:251-63. 2011
    ....
  48. ncbi request reprint Urethral stripping caused by stent removal and its successful treatment with hyperbaric oxygen therapy: a case report
    Lutfu Tahmaz
    Department of Urology, Gulhane Military Medical Academy, Ankara, Turkey
    Kaohsiung J Med Sci 25:334-7. 2009
    ..Here we present a case of urethral stripping caused by endoscopic stent removal, and its conservative treatment with HBO therapy...
  49. ncbi request reprint Buerger's disease with multisystem involvement. A case report and a review of the literature
    Meral Calguneri
    Department of Rheumatology, Hacettepe University School of Medicine, Ankara, Turkey
    Angiology 55:325-8. 2004
    ..Therefore, Buerger's disease, although rare, does have a chronic aggressive nature in some patients...
  50. ncbi request reprint Protective effects of exogenously administered or endogenously produced melatonin on hyperbaric oxygen-induced oxidative stress in the rat brain
    Kadir Dundar
    Department of Undersea and Hyperbaric Medicine, Gulhane Military Medical Academy, Ankara, Turkey
    Clin Exp Pharmacol Physiol 32:926-30. 2005
    ..5. In conclusion, HBO caused oxidative stress and melatonin exhibited protective effects. Both endogenously produced and exogenously administered melatonin were found to be effective...
  51. ncbi request reprint Diffusion-weighted MRI for the "small stuff": the details of acute cerebral ischaemia
    Achim Gass
    NMR Research Neurology, Department of Neurology, Universitaetsklinikum Mannheim, Germany
    Lancet Neurol 3:39-45. 2004
    ..DWI is becoming an important technique for optimum management of patients...
  52. ncbi request reprint How much should one rely on computed tomography in patients with TIA in the era of diffusion-weighted magnetic resonance imaging?
    Hakan Ay
    Stroke 35:e72; author reply e72. 2004
  53. ncbi request reprint Hyperbaric oxygen therapy decreases QT dispersion in diabetic patients
    Ejder Kardesoglu
    Department of Cardiology, Gulhane Military Medical Academy, Haydarpasa Teaching Hospital, Istanbul, Turkey
    Tohoku J Exp Med 215:113-7. 2008
    ..We have concluded that HBO therapy may reduce the risk of malignant ventricular arrhythmia and sudden cardiac death in diabetic patients when applied repetitively...
  54. ncbi request reprint Automated perfusion-weighted MRI using localized arterial input functions
    Cory Lorenz
    Athinoula A Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Division of Health Sciences and Technology, Harvard MIT, Charlestown, Massachusetts 08129, USA
    J Magn Reson Imaging 24:1133-9. 2006
    ....