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Biomedical subjects

C R Pearson

Publications and source records attributed to C R Pearson.

10 recordsLinked to original sources
PubMed2000

Risk management of asymmetrical hearing impairment in an armed forces population.

The prevalence of asymmetrical hearing impairment in the entire service population (1490 individuals) of a Royal Air Force flying station was estimated from routine audiometric testing recorded in individuals' medical records. Criteria for magnetic resonance imaging (MRI) scanning to exclude the possibility of vestibular schwannoma were determined in accordance with the risk management principle that the cost of the screening should not exceed the value of the likely benefit. MRI scanning should be carried out in the presence of an asymmetrical sensorineural hearing impairment of (a) 15 dB or more at two adjacent frequencies, or (b) 15 dB or more averaged over 0.5, 1, 2, 3, 4, 6 and 8 kHz.

Adult↗
PubMed1998

Excision and low-dose radiotherapy for refractory laryngeal granuloma.

Laryngeal granulomas are uncommon lesions of an inflammatory origin. They are conventionally managed by simple excision with the occasional use of adjuvant treatment depending on the aetiological factors. Unfortunately, recurrences can occur, requiring repeated excision. Some lesions are refractory to this approach and alternative management approaches include excision and immediate adjuvant radiotherapy. The use of radiotherapy in the management of benign disease can be limited by the risk of induction of late malignancy and informed consent of a patient must include an assessment of this risk. We describe a case of refractory laryngeal granuloma successfully treated by excision and immediate radiotherapy in a patient occupationally dependent upon his voice.

Combined Modality Therapy↗
PubMed1996

A cost-benefit analysis of the post-operative use of antibiotic ear drops following grommet insertion.

A prospective randomized controlled study was carried out to investigate the effect of prophylactic antibiotic ear drops used for five days after bilateral grommet insertion. The average improvement in the hearing threshold was significantly better in ears in which there was an effusion (16 dB) compared with no effusion (9 dB). The drops had no significant effect upon grommet function at three months measured by blockage rates, extrusion rates or improvement in pure tone audiometry whether or not there was an effusion. The drops were not therefore cost-effective.

Adolescent↗
PubMed1994

Two cases of lateral sinus thrombosis presenting with extracranial head and neck abscesses.

Two cases of lateral sinus thrombosis in fit adults with no previous otological history are presented. One case occurred in association with Bezold's abscess and followed mastoiditis which was masked by previous antibiotic treatment. The other case occurred in association with an occipitoparietal scalp abscess and there was no obvious preceding middle ear infection. The causative bacteria were Streptococcus milleri and a variant Streptococcus intermedius. Lateral sinus thrombosis is discussed.

Abscess↗
PubMed1989

Comparison of the workload of a trainer and trainee.

A general practitioner trainee's workload over one year was compared with a sample of his trainer's workload in order to identify and explain any differences. In line with previous studies the trainee saw relatively fewer patients with chronic diseases, fewer women of child-bearing age and fewer elderly patients but more children, more men and more acute problems. However, the trainee saw a marked excess of ear, nose and throat conditions and asthma which is explained by his special interest in these two subjects. Over the first six months the number of doctor-initiated consultations seen by the trainee increased steadily and remained fairly constant over the second six months. Periodic study throughout the year enabled the provision of extra experience in areas where the trainee had seen few cases.

Family Practice↗