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Biomedical subjects

R T Clegg

Publications and source records attributed to R T Clegg.

14 recordsLinked to original sources
PubMed1998

Palatoplasty for snoring: a randomized controlled trial of three surgical methods.

In a randomized, controlled trial, 62 patients (47 men and 15 women) with severe antisocial snoring, but no sleep apnea, were allocated to one of three surgical treatments. These were uvulopalatopharyngoplasty, laser palatoplasty, and diathermy palatoplasty. Postoperative morbidity was measured on a visual analogue scale of severity of pain, dysphagia, and nasal regurgitation at 1, 2, and 7 days after the operation. Efficacy of each procedure was measured by asking the sleeping partner to record the severity of snoring before and after the operation, again on a visual analogue scale. Measurements were taken at 1, 3, and 6 months. There were no significant differences in early postoperative morbidity among the treatment groups. Diathermy palatoplasty is a new technique for the relief of snoring that is associated with low morbidity and requires little in the way of expensive equipment.

Adult↗
PubMed1994

Acceptability and intelligibility of tracheoesophageal speech using the Groningen valve.

This prospective study was set up to investigate the acceptability and intelligibility of speech produced by a population of male patients who had undergone total laryngectomy for malignant disease in Sheffield. Each had been fitted with at least 1 Groningen tracheoesophageal prosthesis and their phonatory qualities were assessed by a team of 8 naive listeners. Speech quality assessed in terms of acceptability and intelligibility was found to be generally very high and compares favourably with that produced by a population of patients using the Blom-Singer prosthesis.

Aged↗
PubMed1993

Changing the indwelling Provox tracheoesophageal voice prosthesis as an out-patient procedure.

The use of the indwelling tracheo-oesophageal prosthesis is gaining popularity for vocal rehabilitation after laryngectomy. These devices can often provide trouble-free phonation for many months before they become incompetent or require increased effort to open them. When this occurs changing the defective valve for a new one is required. We describe simplification of the technique described by the manufactures which is eminently suitable for use as an out-patient procedure under local anaesthesia.

Ambulatory Surgical Procedures↗
PubMed1992

The Groningen valve voice prosthesis in Sheffield: a 4-year review.

The Groningen valve was first used in Sheffield in 1986 in a patient who underwent laryngectomy for malignant disease. Since then a further 21 patients have made use of this device, 17 of whom underwent insertion at the time of surgery. All patients were male, two patients have since died and the median length of follow-up to date has been 22.0 (range 2-41) months. Prostheses were replaced mainly under general anaesthesia if they leaked or resulted in difficult phonation. A total of 73 valve insertions have been performed with a median time of 4.0 (range 0.25-27) months between each. Of the 15 men in whom the prosthesis is currently in use, speech was generally good-excellent. The Groningen valve provides a highly acceptable means of obtaining vocalization after laryngectomy in the patients in this series.

Adult↗
PubMed1992

Characteristics of Groningen tracheo-oesophageal speaking valves prior to insertion and after removal for failure.

The Groningen valve was first used in Sheffield in 1986 in a patient who underwent laryngectomy for malignant disease. Since then it has been the main tracheo-oesophageal prosthesis used on our Unit for speech rehabilitation post-laryngectomy. This biflanged device inserted primarily or as a secondary procedure remains in situ until failure occurs either because of leakage or because increased effort is required to produce satisfactory phonation. This in vitro study we examined the differences between new valves prior to insertion and those removed for failure. The mean forward opening pressures were shown to be similar in the two populations but the mean forward resistances were increased in those valves which were defective (P less than 0.001). In addition the mean reverse opening pressure was found to be significantly lower in the defective valves when compared with their new counterparts (P less than 0.05).

Adult↗
PubMed1992

An apparatus to measure pressure, flow and speech parameters in patients producing speech using the Groningen valve prosthesis.

We present a validated method of determining in vivo pressure, flow and voice parameters from patients using tracheo-oesophageal voice prostheses post laryngectomy. This apparatus was constructed simply using equipment which should be available in most large Otolaryngology Departments. There was good agreement between measurements made over two separate sessions of in vivo opening pressure, maximum flow through the device and maximum voice amplitude and these were significant. These measurements may be useful in monitoring patient progress and also in elucidating the mechanics of prosthesis failure.

Airway Resistance↗
PubMed1992

Osteomyelitis of the cervical spine following laryngectomy.

Only one case of osteomyelitis of the cervical spine following laryngectomy for carcinoma of the larynx has been reported in the literature to date. We report an unusual case of osteomyelitis of the cervical spine following treatment of laryngeal carcinoma by radiotherapy (RT) and subsequent laryngectomy and discuss the relevant literature.

Carcinoma, Squamous Cell↗
PubMed1990

How to control epistaxis.

Epistaxis is a common problem in medical practice. This article outlines the basic techniques used to control it. In severe cases, prompt management is essential and may save life.

Aged↗
PubMed1988

A comparison of anterior and radical trimming of the inferior nasal turbinates and the effects on nasal resistance to airflow.

A study of 18 patients with chronic rhinitis who underwent anterior or radical trimming of the inferior turbinates is presented. Radical trimming produced a significant decrease in both total nasal resistance to airflow and subjective nasal obstruction (P less than 0.005). Anterior trimming produced a significant decrease in total nasal resistance to airflow (P less than 0.05), but had no significant effect on subjective nasal obstruction. These results suggest that the main site of nasal resistance in patients with chronic rhinitis is the same as in the normal nose. On the basis of this study, adoption of anterior trimming in place of radical trimming of the inferior turbinates cannot be recommended.

Adolescent↗
PubMed1987

Nasal adhesions.

Explore the source record for details and available documents.

Humans↗
PubMed1980

Homografts in tympanoplasty: will they be a disaster? an experimental study.

Experimentally transposed homograft ossicles in rats showed behaviour less stables than autografts, all being resorbed within 48 weeks. Using information derived from this and other experimental work in both animals and humans it is predicted that homografts will be unstable in humans in the long term.

Animals↗