Abstract:
:The ventricle-to-background ratio and clearance rate constant measured by indium-111 diethylenetriaminepenta-acetic acid single photon emission computed tomography ((111)In-DTPA SPECT) were evaluated for predicting hydrocephalus in 16 patients at 2 to 3 weeks after onset of subarachnoid hemorrhage. The activity in the lateral ventricles, basal cistern, and hemispheric convexities was measured at 6, 24, and 48 hours after lumbar injection of radionuclide. In the follow-up study, eight patients developed hydrocephalus, and required ventriculoperitoneal shunting. Radioactivity measured in the hemispheric convexity did not reach peak activity within 48 hours. The clearance rate measured by applying the mono-exponential equation failed to show delayed clearance of radionuclide in hydrocephalus. The ratio between the ventricle and basal cistern measured at 6 hours postinjection was the best predictor of hydrocephalus (F(1, 30) = 42.84, p < 0.0001). These results suggest that a single (111)In-DTPA SPECT scan may be sufficient to identify patients at risk of developing hydrocephalus.
journal_name
Neurol Med Chir (Tokyo)journal_title
Neurologia medico-chirurgicaauthors
Kazumata K,Kamiyama H,Ishikawa T,Makino K,Nakamura T,Takizawa K,Komeichi T,Kubota Tdoi
10.2176/nmc.46.11keywords:
subject
Has Abstractpub_date
2006-01-01 00:00:00pages
11-7; discussion 17-8issue
1eissn
0470-8105issn
1349-8029pii
JST.JSTAGE/nmc/46.11journal_volume
46pub_type
杂志文章abstract::The purpose of this study was to assess the usefulness of radiofrequency thermal annuloplasty (TA) using percutaneous endoscopic discectomy/TA (PED/TA) in elite athletes with discogenic low back pain. Twelve patients (11 men, 1 woman; mean age 27.9 years) underwent PED/TA under local anesthesia. Clinical data for thes...
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journal_title:Neurologia medico-chirurgica
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journal_title:Neurologia medico-chirurgica
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journal_title:Neurologia medico-chirurgica
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