Current Issue : October - December Volume : 2012 Issue Number : 4 Articles : 5 Articles
The duration of bronchoscopy examinations varies considerably\r\ndepending on the diagnostic and therapeutic procedures used. It can last more than\r\n20 minutes if a complex diagnostic work-up is included. With wide access to\r\nvideobronchoscopy, the whole procedure can be recorded as a video sequence.\r\nCommon practice relies on an active attitude of the bronchoscopist who initiates the\r\nrecording process and usually chooses to archive only selected views and sequences.\r\nHowever, it may be important to record the full bronchoscopy procedure as\r\ndocumentation when liability issues are at stake. Furthermore, an automatic\r\nrecording of the whole procedure enables the bronchoscopist to focus solely on the\r\nperformed procedures. Video recordings registered during bronchoscopies include a\r\nconsiderable number of frames of poor quality due to blurry or unfocused images. It\r\nseems that such frames are unavoidable due to the relatively tight endobronchial\r\nspace, rapid movements of the respiratory tract due to breathing or coughing, and\r\nsecretions which occur commonly in the bronchi, especially in patients suffering\r\nfrom pulmonary disorders....
Swallowing accelerometry has been suggested as a potential noninvasive\r\ntool for bedside dysphagia screening. Various vibratory signal features and\r\ncomplementary measurement modalities have been put forth in the literature for the\r\npotential discrimination between safe and unsafe swallowing. To date, automatic\r\nclassification of swallowing accelerometry has exclusively involved a single-axis of\r\nvibration although a second axis is known to contain additional information about\r\nthe nature of the swallow. Furthermore, the only published attempt at automatic\r\nclassification in adult patients has been based on a small sample of swallowing\r\nvibrations....
The aim of this study is to evaluate whether the differentiation of BMMSC to osteoblasts seeded in a\r\nbiocompatible scaffold in vitro, would enhance bone formation in vivo over existing bone....
Therapeutic irreversible electroporation (IRE) is an emerging\r\ntechnology for the non-thermal ablation of tumors. The technique involves\r\ndelivering a series of unipolar electric pulses to permanently destabilize the plasma\r\nmembrane of cancer cells through an increase in transmembrane potential, which\r\nleads to the development of a tissue lesion. Clinically, IRE requires the administration\r\nof paralytic agents to prevent muscle contractions during treatment that are\r\nassociated with the delivery of electric pulses. This study shows that by applying\r\nhigh-frequency, bipolar bursts, muscle contractions can be eliminated during IRE\r\nwithout compromising the non-thermal mechanism of cell death....
The aim of this study is to estimate strains in the restored macerate edentulous mandible bone by using the ARAMIS three-dimensional image correlation system. The system uses two digital cameras that provide a synchronized stereo view of the specimen and the results show the complete strain field during the tests. The highest strain (5%) was detected within mandible-denture contact, mental foramen (8%) and trigonum retromolar (15%). The strain is the consequence of the complete denture vertical displacement....
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