Articles: intubation.
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Surg. Clin. North Am. · Dec 1991
ReviewAirway injury after tracheotomy and endotracheal intubation.
Iatrogenic airway injury after tracheotomy and endotracheal intubation continues to be a serious clinical problem. Endotracheal tubes cause pressure injury to the glottis and may result in severe commissural scarring that is difficult to treat. ⋯ The technique of laryngotracheal resection and reconstruction has been well developed and may be applied successfully to most patients with subglottic and tracheal stenosis. The surgical treatment of glottic stenosis remains a challenge.
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Enteral delivery of nutrients is important for optimal treatment of critically ill patients. It maintains gut digestive and barrier functions, decreases gut bacterial translocation, decreases the incidence of sepsis, and improves outcome. Gastric emptying is impaired in many critically ill patients and feeding into a gastroparetic stomach leads to large gastric residuals and aspiration. ⋯ The average time for placement of small bowel feeding tubes was 40 +/- 14 min (mean +/- SD). Abdominal roentgenograms failed to properly locate 13 (6 percent) tubes. The most accurate and cheapest methods for confirming small bowel location of feeding tubes were bile aspiration, pH change from acidic to basic, and blue dye injection.
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Two pre-operative tests for the prediction of difficult intubation are assessed. A modified Mallampati test and a measurement of thyromental distance were performed at the pre-operative visit of 244 patients whose tracheas were subsequently intubated under general anaesthesia. Patients in whom the posterior pharyngeal wall could not be visualised below the soft palate, who also had a distance of less than 7 cm between the prominence of the thyroid cartilage and the bony point of the chin proved significantly more likely to present difficulty with intubation. The performance of these two simple tests on all patients before operation should allow the majority of cases of difficult intubation to be anticipated.
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There are few data available regarding the emergency department practice of using recently dead patients (RDP) for practice and training in endotracheal intubation (ETI/RDP). We investigated several aspects of practice by means of a survey sent to all 5,397 emergency departments in the country. Of the 992 (18.3%) responses, 537 (54.1%) did practice ETI/RDP; 455 (45.8%) did not (P less than 0.005). ⋯ There was widespread agreement as to the educational value of the practice, although it was more favored in hospitals practicing ETI/RDP than those that do not: 411 of 418 (98%) hospitals practicing ETI/RDP agreed that it was an important component of medical education, as did 240 (80%) of institutions not practicing it (P less than 0.0001). Nearly equal percentages of teaching hospitals (53.8%) and nonteaching facilities (57.9%) engage in ETI/RDP (P = 0.35). Objections to ETI/RDP had been noted in 25% of the institutions where it was practiced.