نتایج جستجو برای: renography
تعداد نتایج: 308 فیلتر نتایج به سال:
RCVS: Reversible Cerebral Vasoconstriction Syndrome; rtPA: recombinant tissue Plasminogen Activator; GCS: Glasgow Coma Scale; CT: Computed Tomography; ICH: Intracerebral Hemorrhage; MRI: Magnetic Resonance Imaging; MRR: MR Renography; ACA: Anterior Cerebral Artery; MIS: Minimally Invasive Surgery; TCD: Transcranial Doppler; ICU: Intensive Care Unit; MISTIE: Minimally Invasive Surgery plus rt-PA...
UNLABELLED Numerous competing diagnostic modalities and the lack of data about therapeutic benefit result in controversy concerning the identification and treatment of renovascular hypertension. METHODS Meta-analyses were used to examine the cost efficacy of renovascular hypertension diagnosis and treatment. Sensitivity, specificity and predictive value were calculated for captopril renograph...
AIM Introduction and assessment of an obstruction score in patients with obstructive uropathy, based on a diuresis renography time-activity curve. METHODS Twenty-eight adults with unilateral pelviureteric junction obstruction were assessed by ultrasound scan, furosemide-enhanced intravenous urography and modified (F-15) 99mTc-DTPA diuresis renography. Renal unit drainage pattern was assessed ...
UNLABELLED Proposed renal hemodynamic mechanisms of captopril suggest that quantitation of renographic retention parameters should help identify patients suspected of having renovascular disease. The parenchymal mean transit time (MTT) is theoretically superior to other measures of retention, but data supporting its superiority are few. METHODS Two groups of subjects were studied with diethyl...
Simplified Dynamic Phantom for Pediatric Renography: A Description of Instrument and Its Performance
Objective(s): Renography is used for the diagnostic evaluation of pediatric patients with a suspected obstruction of urinary tract or impaired renal function. The recommended dose for children have been released by the European Association of Nuclear Medicine, Society of Nuclear Medicine and Molecular Imaging, and Japanese Society of Nuclear Medicine. Since acquisition counts in dynamic scintig...
OBJECTIVE To compare ultrasound (US) scan and nuclear renography findings in patients who underwent pyeloplasty with and without pelvic reduction in a randomized prospective study. METHODS A total of 42 patients, all prenatally diagnosed with unilateral hydronephrosis, were included. Hydronephrosis was confirmed postnatally. Twenty patients were randomly selected to undergo pyeloplasty with p...
OBJECTIVE It has been advocated that a reduced injection volume with highly concentrated (1 M) contrast material can produce a sharper bolus peak and an increased intravascular first-pass gadolinium concentration when compared with the use of a lower concentration (0.5 M). A higher concentration would also cause a reduction in dose. The purpose of our study was to test the use of a low dose (0....
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