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Biomedical subjects

B Fearon

Publications and source records attributed to B Fearon.

35 records · Page 2Linked to original sources
PubMedDate not supplied

Traumatic bronchial injuries in children.

Between 1975 and 1981 five children (three girls and two boys) from 3 to 11 years were treated for blunt chest trauma with major tears in two areas of the right main bronchus. All were hit or run over by motor vehicles and were in acute respiratory distress. All suffered right pneumothoraces; three did not respond to a chest tube with suction. Four of five children had subcutaneous emphysema, and two had fractured ribs on the ipsilateral side; three children also had contralateral chest injuries. Four had major extrathoracic injuries. Three children required early repair, while two needed late treatment. All five patients recovered well and have remained healthy from 5 to 10 years after injury. These cases serve as illustrations for a review of a survey of the literature.

Bronchi↗
PubMedDate not supplied

Subglottic stenosis of the larynx in the infant and child. Methods of management.

This presentation is a ten-year retrospective study on all patients with proven subglottic stenosis admitted to the Department of Otolaryngology, Hospital for Sick Children, Toronto. Some of these patients have required no treatment, others one or two dilatations of the stenosis only; others tracheotomy only; some tracheotomy plus dilatations; some the Fearon-Cotton operation, and a few who had very extensive stenosis of the larynx and trachea, extensive reparative surgery. In this presentation, the authors describe the different types of management, and the results of treatment are assessed and compared.

Dilatation↗
PubMedDate not supplied

Laryngeal surgery in the pediatric patient.

The primary concern in laryngeal surgery in the infant and child is to relieve airway obstruction, rather than phonation. Because airway obstruction above the larynx may stimulate or be confused with laryngeal pathology, these are described as the signs and symptoms of laryngeal disease. Although tracheotomy in the infant is frequently said to be a cause of a long-term problem, the procedure can be carried out in the smallest premature quite safely and without an extubation problem. The author's method of performing the operation is described. Most laryngeal surgery in the child is performed by the endoscopic approach, special scopes being used for special purposes. In addition to conventional instrumentation the cryoprobe and CO2 laser and employed. The author's method of treating glottic and subglottic stenosis is outlined.

Adult↗
PubMedDate not supplied

Esophageal hiatal hernia in infants and children.

Although prior to 1950 esophageal hiatal hernia (EHH) in children was a seldom recognized entity, it has since then become well known. The symptoms in children are considerably different from those in adults. The cause of EHH is still somewhat in doubt. The term gastroesophageal reflux (GER) is often applied as a diagnosis where the diagnosis is uncertain. The authors have reviewed case histories of 56 patients admitted to the Hospital for Sick Children, Toronto, from 1972 to 1980. A comparison is made with 101 cases admitted between 1952 and 1960. It is our firm belief that all patients with symptoms of GER should be esophagoscoped for definitive diagnosis as well as for assessment of the esophagus. Because there is a high rate of respiratory complications in infants and children with GER, bronchoscopy should be carried out concurrently with the esophagoscopy. Infants with GER are at risk from the possibility of aspiration and it is possible that an unknown number of sudden infant death syndrome is due to this factor. The majority of patients with EHH can be managed by a medical regime. Those with esophageal strictures are treated by dilatation but many require surgical correction.

Bronchoscopy↗
PubMedDate not supplied

Anesthesia for laryngeal laser surgery in the infant and child.

Currently available anesthetic techniques for laryngoscopy and bronchoscopy are briefly evaluated. Recently reported complications from the literature are reviewed. Satisfactory anesthetic techniques are shown to be limited by the physical dimensions of the instruments as well as the extreme limitations of the flow capacity of the small airway itself. The technique used at the Hospital for Sick Children for the past ten years is described. It is based upon spontaneous respiration with inhalation anesthesia, supplemented by topical lidocaine (Xylocaine). Size and age of the patient are not limiting factors. The safety and effectiveness of this technique are supported by representative blood gas studies as well as the clinical records of over 400 cases.

Adolescent↗
PubMedDate not supplied

Cricoid resection and thyrotracheal anastomosis in the growing primate.

Although many procedures have been described for the correction of subglottic stenosis in the infant and child, none has been universally satisfactory. Cricoid resection and thyrotracheal anastomosis have been successful in adults, and we considered that the same techniques could be applied to correct subglottic stenosis in infants and children. A feasibility study was undertaken using young primates as a surgical model. The operation in each was accomplished uneventfully, although one animal later developed a complication possibly due to the use of a tissue adhesive. In practice, this complication could have been corrected without compromising the surgical outcome.

Animals↗
PubMedDate not supplied

Laryngeal problems in children.

Some diseases of the larynx that now are rare were common in 1950, when the author began the practice of pediatric otolaryngology. These include laryngeal tuberculosis, bulbar poliomyelitis, and acute exanthemata. The management of laryngotracheitis and supraglottitis has altered markedly, with the mortality reduced drastically. The advent of the operating microscope and carbon dioxide laser has broadened the efficacy of laryngeal surgery. Subglottic stenosis continues to be a challenge despite new operations. Laryngeal transplant may be the answer to some intractable diseases.

Child↗