نتایج جستجو برای: aspiration efficiency
تعداد نتایج: 415303 فیلتر نتایج به سال:
this study investigated the effect of different harvesting techniques on the recovery rate and quality of bovine cumulus oocyte complexes (cocs) and their subsequent developmental competence including in vitro maturation, fertilization and blastocyst formation. the cocs were retrieved from slaughter ovaries using aspiration, slicing, or aspiration followed by slicing. the cocs were examined mic...
This study investigated the significant acoustic cues used in the perception of aspiration contrast in Cantonese initial stops by normal hearing adults. The effects of vowel characteristics, aspiration noise level and voice-onset time (VOT) duration on aspiration perception in Cantonese initial stops were studied. The stimuli were consonant-vowel (CV) real words recorded by a male Cantonese nat...
Background and Objective: The gastric residual volume has a direct effect on the volume and timing of the subsequent feeding and causes gastric emptying and pulmonary aspiration. The present study compares the effect of Cydonia oblonga and Phyllanthus Emblica (Amla) fruit on gastric residual volume and pulmonary aspiration in mechanically- ventilated patients. Materials and Methods: This is a...
Background & Aim: Foreign body aspiration commonly involves very young children and taking a precise history and doing a careful physical examination can lead to diagnosis. If the extraction of the object is delayed beyond 24 hours, it will lead to complications such as pneumonia, abscess, and atelectasis. Therefore, the present study tries to investigate the duration and reasons of delayed d...
AIM Dysphagia and bolus aspiration are two of the most frequent and invalidating symptoms of various neurological diseases. Swallowing disorders often lead to tracheobronchial aspiration with consequent pneumonia episodes. Aspiration pneumonia per se constitutes the most frequent cause of death in these patients, with mortality rate ranging from 20% to 62%. Oropharyngoesophageal scintigraphy (O...
Respiratory problems contribute significantly to the overall morbidity and mortality in neurologically impaired children.1-3 Plioplys3 studied severely disabled children living in institution in United States and found that 77% of deaths were result of pneumonia. Aspiration, either from secretions/food in the pharynx or from reflux of gastric contents, is a very common phenomenon in this group ...
This study investigated the significant acoustic cues used in the perception of aspiration contrast in Cantonese initial stops by normal hearing adults. The effects of vowel characteristics, aspiration noise level and voice-onset time (VOT) duration on aspiration perception in Cantonese initial stops were studied. The stimuli were consonant-vowel (CV) real words recorded by a male Cantonese nat...
the aim of this study was to evaluate the role of fine needle aspiration cytology in the diagnosis of abdominal and retroperitoneal masses in children on this study. in 53 cases of childhood abdominal and retroperitoneal masses within a 4 year period (1998- 2001) preoperative fine needle aspiration was done under the guide of ct scan. 2 pathologists reviewed fine needle aspiration smears. in al...
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