نتایج جستجو برای: lung ventilation scintigraphy
تعداد نتایج: 353944 فیلتر نتایج به سال:
BACKGROUND Predicting postoperative lung function is important for estimating the risk of complications and long-term disability after pulmonary resection. We investigated the capability of vibration response imaging (VRI) as an alternative to lung scintigraphy for prediction of postoperative lung function in patients with intrathoracic malignancies. METHODS Eighty-five patients with intratho...
conclusions this report presents a new method for lung isolation in specific cases and in the absence of certain equipment. case presentation a 41-year-old woman with a history of pharyngo-laryngo-oesophagectomy (plo) and tracheostomy was a candidate for thoracic duct ligation because of chylothorax. since the patient had tracheostmy stomal stenosis, two cuffed tracheal tubes (internal diameter...
UNLABELLED Although ventilation/perfusion (V/Q) lung scintigraphy is a well-accepted and frequently performed procedure in the diagnosis of pulmonary embolism, there is growing controversy about its relevance, particularly due to the increasing competition between scintigraphy and CT. Even though comparative studies between both modalities have already been performed, their results were highly ...
The phenomenon of reverse mismatched ventilation-perfusion on pulmonary scintigraphy is a fairly common occurrence. We present a patient who was experiencing decreasing oxygen saturation and had a reverse mismatched ventilation-perfusion imaging pattern associated with radiotracer retention in a main bronchus. Technetium-99m-DTPA aerosol lung imaging showed tracer retention in the trachea and r...
Received 10/14/2004; revised 3/14/2005; accepted 3/17/2005. For correspondence or reprints contact: Zen-Kong Dai, M.D., Department of Pediatrics, Kaohsiung Municipal Hsiao-Kang Hospital. 483 Shan-Ming Road, Hsiao-Kang District, Kaohsiung 812, Taiwan. Tel: (886)7-3121101 ext. 7153, Fax: (886)7-3117521, E-mail: [email protected] Background: In this study, we enrolled pediatric cases with history of...
The most common indication for radionuclide imaging of lungs is the evaluation of suspected pulmonary thromboembolism (PE). Scintigraphically PE classically produces ventilation/perfusion mismatch, that is perfusion defects in areas showing normal ventilation. Stripe sign refers to the visualization a stripe at normally perfused lung interposed between a defect and adjacent pleural surfaces as ...
BACKGROUND Volume-controlled ventilation has been suggested to optimize lung deposition during nebulization although promoting spontaneous ventilation is targeted to avoid ventilator-induced diaphragmatic dysfunction. Comparing topographic aerosol lung deposition during volume-controlled ventilation and spontaneous ventilation in pressure support has never been performed. The aim of this study ...
Planar lung ventilation/perfusion scintigraphy (V/P(PLANAR)) is a standard method for diagnosis of pulmonary embolism (PE). The goals of this study were to test whether the diagnostic information of ventilation/perfusion tomography (V/P(SPET)) applied in clinical routine might enhance information compared with V/P(PLANAR) and to streamline data processing for the demands of clinical routine. Th...
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