نتایج جستجو برای: 99mtc mag3 clearance
تعداد نتایج: 52386 فیلتر نتایج به سال:
Background Primary ciliary dyskinesia (PCD) is an inherited disorder where dyskinetic cilia cause impaired mucociliary clearance (MC) of upper and lower airways. Airway movement can be indirectly tested in vivo after administration a radiolabeled tracer to the airways for assessment pulmonary MC or nose assessing Nasal (NMC). With this study we aimed investigate NMC as quantifiable outcome para...
extended disability and income loss . . . " To this we have to add expenses from possible anti-thyroid drugs in the interim as well as potential side effects from these medications (2). 3. The results of retreatment with radioiodide have been analyzed in some detail (J). If we define "cured" of hyperthyroidism as being euthyroid or hypothyroid, then expressions are available for describing the ...
The purpose of the study was to evaluate the effects of maximal exercise on the integrity of the alveolar epithelial membrane using the clearance rate of aerosolized 99mTc-labeled diethylenetriaminepentaacetic acid as an index for the permeability of the lung blood-gas barrier. Ten elite rowers (24.3 +/- 4.6 yr of age) completed two 20-min pulmonary clearance measurements immediately after and ...
The aim of this study was to examine the acute effect of tobacco smoke exposure and inhaled terbutaline on mucociliary clearance in 9 healthy smokers. It was based on a recently described method for scintigraphic visualization of the bronchi (bronchoscintigraphy). After an initial bronchoscintigram had been made by having the subjects inhale aerosolized 99mTc-albumin, they inhaled either terbut...
BACKGROUND In contrast to 201TlCl, 99mTc-sestamibi shows very slow myocardial clearance after its initial myocardial uptake. In the present study, myocardial washout of 99mTc-sestamibi was calculated in patients with non-ischemic chronic heart failure (CHF) and compared with biventricular parameters obtained from first-pass and ECG-gated myocardial perfusion SPECT data. METHODS AND RESULTS Af...
OBJECTIVE The aim of this study was to compare the renal function measured with either 99mTc-DTPA or 99mTc-EC dynamic scintigraphies with that measured using 99mTc-DMSA static scintigraphy. METHODS the values of relative renal function measured in 111 renal dynamic scintigraphies performed either with 99mTc-DTPA (55 studies) or with 99mTc-EC (56 studies) were compared with the relative functi...
BACKGROUND: The aim of the present study was the assessment of the accuracy and precision of our own simplified method for the determination of 99mTc-HEPIDA liver clearance. MATERIAL AND METHODS: It has been assumed that archived results of plasma clearance (ClPl) and hepatic (ClHp), determined by means of multisample methods, could be legitimately used as a reference standard. The accuracy and...
This study aimed to prepare a novel radiopharmaceutical for the detection of brain disorders at early stages in susceptible patients.Promazine hydrochloride was labeled with 125I by direct electrophilic substitution reaction high labeling yields 92.6 ± 3.24 %. The yield and vitro stability 125I-promazine were determined paper electrophoresis, chromatography (PC) High performance liquid (HPLC). ...
BACKGROUND Time-dependent activation of matrix metalloproteinases (MMPs) after myocardial infarction (MI) contributes to adverse left ventricular (LV) remodeling; however, noninvasive methods to monitor this process serially are needed. METHODS AND RESULTS MMP-targeted radiotracers were developed that displayed selective binding kinetics to the active MMP catalytic domain. Initial nonimaging ...
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