OBJECTIVE The study was conducted to determine the effect of carotid angioplasty and stenting (CAS) on the hemodynamic parameters and cerebrovascular reactivity (CVR) of the ipsilateral middle cerebral artery (MCA) and examine the relation between preprocedural exhausted CVR and perioperative neurologic events. METHODS The study included 29 patients with severe extracranial carotid stenosis u...

Objective: The technology of ABC ( Active Breathing Control) was used in breath-holding time in order to improve the accuracy of radiotherapy for lung cancer patients, and the influence of respiratory movement on diaphragm motion was analyzed and evaluated, in addition the feasibility and limitation of ABC was also assessed. Methods: 15 lung cancer patients were selected for the training of ABC...

OBJECTIVE To determine whether children with pallid breath-holding spells associated with bradycardia can be treated safely and successfully with permanent pacemaker implantation. METHODS The records of pediatric patients who had apparent breath-holding spells and associated bradycardia and were treated with permanent pacemaker implantation were reviewed. RESULTS Ten pediatric patients with...

Usually, coronary computed tomography angiography (CCTA) is performed during breath-holding to reduce artifact caused by respiration. The objective of this study was to evaluate the feasibility of free-breathing CCTA compared to breath-holding using CT scanner with wide detector. To evaluate the feasibility of CCTA during free-breathing using a 256-MDCT. In 80 patients who underwent CCTA, 40 we...