Investigation the frequency of asymptomatic hemorrhagic transformation of infarction in CT scan of acute ischemic stroke patients

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Mansour Afshar Babak; GHEINI MOHAMMAD REZA; RAMIM TAYEB

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Journal: Tehran University Medical Journal Year:2019 | Volume:76 | Issue:12 Page(s): 786-791

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Title

Investigation the frequency of asymptomatic hemorrhagic transformation of infarction in CT scan of acute ischemic stroke patients

Author(s)

Mansour Afshar Babak | GHEINI MOHAMMAD REZA | RAMIM TAYEB | Issue Writer Certificate

Keywords

anticoagulantsQ1

coronary artery bypassQ2

cross-sectional studiesQ1

ischemic attackQ1

strokeQ2

Abstract

Background: Asymptomatic hemorrhagic transformation infarct (AHTI) is known as a complication of ischemic attack and maybe occurs in the entire stroke. However, the role of AHTI in the result of the treatment is still not clear, because it is based on the definition of an asymptomatic and not identifiable. The aim of this study was assessment and evaluation frequency of AHTI in acute ischemic stroke patients. Methods: This prospective cross-sectional study was done in Neurologic Department, Tehran University of Medical Sciences, Tehran, Iran, from April 2015 to April 2016. Second evaluation was done about new neurologic signs and symptoms ten days after stroke. In addition, brain CT scan was used to diagnose of hemorrhagic event in infarct area. If the hemorrhagic event was occur in different area, the patient was consider as a non-hemorrhagic transformation and excluded from the study. Other exclusion criteria include intracranial hemorrhage (ICH), trauma to the head during admission, cerebral vein thrombosis, coagulation disorder, anti-coagulant (heparin, warfarin) administration, induced transformation within 10 days of onset of ischemia, lacunar ischemic and unobservable in thirty T-brain scan, patient's lack of referral for examination and CT scan 10 days after the onset of symptoms, died before CT was considered. Results: Three hundred and eighty seven patients had inclusion criteria. 249 cases were excluded due to lost following, vein thrombosis of the brain, lacunar ischemia, anticoagulants recipient (heparin, warfarin), asymptomatic hemorrhagic transformation and death. Finally, 138 cases (86 men, 52 women) with 66. 61± 9. 37 years (50-101 years) were participated in data analysis. Frequency of positive CT scan was evaluated for ischemic stroke evidence in two stages. Of the 138 patients who participated in the study, 75 (54. 3%) were positive in the first and 63 (45. 7%) cases in the second time. 27 cases (19. 6%) had AHTI. Conclusion: coronary artery bypass graft (CABG) had significant correlation with ATHI in acute ischemic attack. However, stroke history correlated with decreasing of ATHI. Concerning smoking and consuming the results showed that smoking did not affect the asymptomatic hemorrhagic transformation. Also, the results showed that the use of aspirin and Plavix also had no significant effect on increasing the incidence of ATHI.

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APA: Copy

Mansour Afshar, Babak, GHEINI, MOHAMMAD REZA, & RAMIM, TAYEB. (2019). Investigation the frequency of asymptomatic hemorrhagic transformation of infarction in CT scan of acute ischemic stroke patients. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), 76(12 ), 786-791. SID. https://sid.ir/paper/376158/en

Vancouver: Copy

Mansour Afshar Babak, GHEINI MOHAMMAD REZA, RAMIM TAYEB. Investigation the frequency of asymptomatic hemorrhagic transformation of infarction in CT scan of acute ischemic stroke patients. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ)[Internet]. 2019;76(12 ):786-791. Available from: https://sid.ir/paper/376158/en

IEEE: Copy

Babak Mansour Afshar, MOHAMMAD REZA GHEINI, and TAYEB RAMIM, “Investigation the frequency of asymptomatic hemorrhagic transformation of infarction in CT scan of acute ischemic stroke patients,” TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), vol. 76, no. 12 , pp. 786–791, 2019, [Online]. Available: https://sid.ir/paper/376158/en

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