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- W2548494369 abstract "We investigated the value of transcranial Doppler (TCD) examinations of intracranial arteries as a diagnostic test for the confirmation ofbrain death. Twenty nine patients with intracranial hypertension who subsequently developed brain death according to clinical criteria were evaluated by TCD ultrasonography during a 16-month period. Typical TCD findings in the arteries ofbrain-dead patients consisted of either absent or reversed diastolic flow or smail early systolic spikes in at least 2 intracranial arteries. This waveform abnormality was found in 26 (89.7 %) of the 29 patients confirmed to be brain dead by clinical criteria, and was absent in 3 (l0.3 %). This abnormality does not appear in other patients with coma. All patients with waveform abnormality in TCD examination died. TCD, a practical, noninvasive, earlyand reliable method for the confirmation of brain death, can be a rapid and convenient alternative to confirmatery tests about vascular eirculation. Ozet: Beyin olumunun tespitinde bir tani yontemi olarak kafa ici arterlerin transkranial Doppler (TKD) incelemesinin degeri arastirildi. Onalti aylik donem esnasinda kafa ici basinc artisi olan ve sonradan klinik olcutIere gore beyin olumu gelisen 29 hastanin TKD kayitlari incelendi. Beyin olumu icin tipik TKD bulgulari; en az 2 kafa ici arterde diastolde kan akiminin yoklugu veya geriye donmesi veya kucuk erken sistolik diken olarak kabul edildi. Klinik olarak beyin olumu saptanan 29 hastanin 26 'sinda (% 89.7) TKD'de beyin olumu dalgalari izlenirken, 3'unde ise (%10.3) TKD bulgulari beyin olumunu dogrulamadi. TKD incelemesinde beyin olumu dalgalari saptanan tum hastalar kaybediIdi. TKD'in beyin olumunun erken donemde ve guvenle tespit edilmesinde pratik, noninvaziv ve hasta basinda uygulanabilir bir yontem olarak damar dolasimini degerlendiren incelemelere secenek oldugu kanisindayiz." @default.
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- W2548494369 date "1997-01-01" @default.
- W2548494369 modified "2023-09-27" @default.
- W2548494369 title "Doppler in Brain Death The Role of Transcranial The Confirmation of Beyin Ölümünün Dogrulanmasinda Transkraniyal Doppler'in Yeri" @default.
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