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Biomedical subjects

T L Kennedy

Publications and source records attributed to T L Kennedy.

At least 73 records · Page 4Linked to original sources

Epiglottic reconstruction of laryngeal stenosis secondary to cricothyroidostomy.

Two cases of laryngeal stenosis secondary to cricothyroidostomy are presented with their management. Both laryngeal injuries involved the glottis and subglottis regions with the second case sustaining total closure of the larynx by scar tissue. Although different surgical procedures were employed, management was successful in each case with one surgical attempt. Total glottic and subglottic reconstruction was necessary in the second case and was successfully handled with a modification of the epiglottic laryngoplasty. The surgical technique is described in detail. Caution is raised concerning the routine use of cricothyroidostomy. Epiglottic laryngoplasty is presented as a simple and encouraging procedure for laryngeal reconstruction of laryngeal stenosis.

Adult↗

Limb and abdominal injuries: principles of treatment.

In the period reviewed, the Royal Victoria Hospital received over 7000 casualties, representing approximately half of the civil disturbance injuries for the province. Primary resuscitation did not differ from that of road traffic accidents, but the surgical management did. Extensive débridement was essential, followed by delayed primary suture some days later. Two hundred and nine penetrating abdominal wounds were reviewed, and the necessity of exploring the abdomen in all such injuries is emphasized.

Abdominal Injuries↗

The vagus, the duodenal brake, and gastric emptying.

It has been suggested that an intact vagal supply is essential for the normal function of the recptors in the duodenum and proximal small bowel, which influence the rate of gastric emptying. This paper reports the effect of vagal denervation on gastric emptying and also examines the site and mode of action of receptors in the proximal small bowel. It has been demonstrated in the dog that most, if not all, the receptors controlling gastric emptying lie in the proximal 50 cm of the small bowel. Following truncal vagotomy the emptying time of each instillation increased significantly and the differential rate of emptying of different instillations remained unchanged. The proximal 50 cm of small bowel was capable to differentiating between different instillates even after selective extragastric vagotomy, in which the duodenum was vagally denervated and, therefore, duodenal braking receptors function independently of vagal innervation.

Animals↗

A duodenal role in gastrin release.

Observations on the plasma gastrin response to feeding protein in patients with the dumping syndrome, patients with pyloric stenosis, and patients asymptomatic after gastric surgery suggested that the duodenum might be important in the mechanism of gastrin release. This duodenal role was confirmed by the finding that when the stimulus was placed directly in the duodenum peak gastrin levels occurred earlier than when the stimulus was placed directly in the stomach.

Dietary Proteins↗