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Biomedical subjects

G J Bates

Publications and source records attributed to G J Bates.

29 records · Page 2Linked to original sources

The surgical treatment of a pharyngeal pouch: inversion or excision?

Twenty eight patients with pharyngeal pouches were treated at the Radcliffe Infirmary, Oxford, between 1975 and 1985. Nineteen of these patients had the pouch excised and 9 patients had the pouch inverted. Preoperative and postoperative cine barium swallows were obtained on all patients. The results show pouch inversion to be an effective method of treatment with a low recurrence rate, and fewer complications compared with pouch excision. Inversion of a pharyngeal pouch with a cricopharyngeal myotomy is therefore recommended as a safe, satisfactory treatment.

Adult↗

Respiratory obstruction following vocal cord injection of Teflon paste.

Injection of poly(tetrafluoroethylene) past (Teflon) into vocal cords is becoming more common, but immediate morbidity has not previously been described. A case is reported in which acute airway obstruction followed the injection of Teflon paste into a paralysed vocal cord. This was easily managed, without resort to tracheostomy, by topical lignocaine which reduced the overactivity of the normal vocal cord.

Acute Disease↗

Arterial embolectomy: a review of 100 cases.

The results of 100 consecutive patients undergoing arterial embolectomy at the Royal Brisbane Hospital between 1971 and 1981 are presented. Twenty-two patients died and 18 of these had unsuccessful procedures. Of the 82 patients surviving more than 30 days, 14 had a limb amputated and 12 underwent further vascular surgery. Duration of ischaemia was the most important predictive factor; 75% of cases with an ischaemia time of less than 12 h had a successful outcome whereas only 37% were successful when the ischaemia time exceeded 12 h. Anticoagulation improved the success rate, but resulted in a high incidence of wound haematoma.

Acute Disease↗

Jaundice and the effect of sodium taurocholate taken orally upon abdominal wound healing.

The effect of oral sodium taurocholate upon abdominal wound healing was assessed in an experimental study using rats. Bile duct ligation produced a significant reduction in wound bursting strength four and six days postoperatively compared with control rats, and sodium taurocholate in bile duct ligated rats resulted in a significant increase in wound strength six days postoperatively. There was no change in wound hydroxyproline concentrations between rats in the bile duct ligated and control groups. In the clinical situation, oral bile salts may be of value in the preoperative management of patients with obstructive jaundice.

Administration, Oral↗

Can C.T. detect labyrinthine fistulae pre-operatively?

The aim of the study was to undertake a controlled prospective evaluation of high resolution computerized tomography in the pre-operative diagnosis of labyrinthine fistulae. Fifty consecutive patients with chronic suppurative otitis media were scanned prior to surgery, using a Siemens DRI scanner. The radiological predictions were then compared with the surgical findings. Five patients had labyrinthine erosions and these were predicted in 4 out of the 5 (80%). The one erosion that escaped radiological detection was less than 2 mm in length. The study shows that high resolution computerized tomography is a highly accurate method for demonstrating pre-operatively all but the smallest fistulae.

Adolescent↗