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Journal of Research in Medical Sciences، جلد ۱۷، شماره ۱۲، صفحات ۰-۰
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عنوان انگلیسی Comparison of cerebral blood flow pattern by transcranial Doppler in patients with diffuse and focal causes of brain death
چکیده انگلیسی مقاله Normal 0 false false false EN-US X-NONE AR-SA MicrosoftInternetExplorer4 Background : This study aims to assess the cerebral vessels flow in brain death patients with different causes, including focal and diffuse lesions and comparison of flows according to the underlying causes. Materials and Methods : Two groups of 15 brain-dead patients one with focal and the other with diffuse brain lesions were compared according to their cerebral blood flow pattern 48 h passed brain death certification. Results : Bilateral absence of flow in middle cerebral artery (MCA) was found in 54.5% of brain-dead patients with diffuse lesion and 50.33% of those with focal lesions. Systolic spike pattern in MCA flow was found in 46.2% of patients with focal lesion and 16.65% of patients with diffuse lesion. Diastole–systole separation pattern in MCA was seen in 16.65% of patients with the diffuse lesions. This pattern in MCA was not seen in patients with the focal lesion group. In carotid arteries, we did not find the absence of flow in any cases. Thirty percent of all patients in both groups had a normal flow pattern (36.6% of patients with focal lesions and 23.3% of patients with diffuse lesion). Patients with focal lesion had 33.3% systolic spike pattern flow and had 23.35% diastole–systole separation flow pattern. In intra-cranial vessels, systolic spike pattern was more common among patients with focal lesions than patients with diffuse lesion, however, this difference was not statistically significant (46.2% of patients with focal lesion and 16.65% of patients with diffuse lesion) ( P value = 0.244-0.09 ( . Diastole–systole separation flow was more common in patients with diffuse lesions than those with the focal lesions although this could not reach the significant level as the previous pattern (20% of patients with diffuse lesion versus no case in patients with focal lesion) ( P value = 0.181). Conclusion : Absence of flow was the most common brain flow pattern in the focal and diffuse group lesions. There is no difference in flow pattern between the focal and diffuse brain lesions groups in brain-dead patients. Key words: Blood flow pattern, brain death, diffuse brain lesion, focal brain lesion /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:3.0pt; mso-para-margin-right:-.7pt; mso-para-margin-bottom:0in; mso-para-margin-left:0in; mso-para-margin-bottom:.0001pt; line-height:12.5pt; mso-line-height-rule:exactly; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;}
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نویسندگان مقاله علیرضا وکیلیان | alireza vakilian
departments of neurology, rafsanjan university of medical sciences, rafsanjan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی رفسنجان (Rafsanjan university of medical sciences)

فرهاد ایرانمنش | farhad iranmanesh
kerman university of medical sciences, neurology research center, kerman, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمان (Kerman university of medical sciences)

نشانی اینترنتی http://jrms.mui.ac.ir/index.php/jrms/article/view/8838
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Articles
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