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Biomedical subjects

D M Mercer

Publications and source records attributed to D M Mercer.

12 recordsLinked to original sources

Prevalence and differentials of low birth weight in Niamey, Niger.

This study provides population representative data on live births occurring in Niamey, Niger during the period 1980 to 1985. A total of 5097 live births were systematically sampled from maternity registers over the study period. Due to legislation and incentives to register all live births, between 90 and 95 per cent of all live births are represented in this study. The data here suggest that low birth weight (LBW) prevalence may be lower in this urban area than it is in the region as a whole; and that the demographic risk factors are similar to those found in other developing countries. Finally, in many developing countries, maternity coverage of attended births may be quite high, suggesting that record or prospective studies examining trends in LBW and risk factors for perinatal outcomes might be convenient and implemented at very low cost.

Adult

Web neck deformity; anatomical considerations and options in surgical management.

Web neck deformity has been recognised for over 100 years and during that time there has been a large amount of literature devoted to it. There has been surprisingly little information published on the exact nature of the deformity, particularly the exact site and composition of the web and the presence or absence of any other soft tissue anomalies in the head and neck, which could modify a surgical approach. Our paper will describe the "simple" webbing found in four cases of Turner's syndrome and one case of Klippel-Feil syndrome, and discuss some of the associated features seen in these syndromes. We also review the major methods of surgical treatment and examine the role of tissue expanders in the surgical correction of this anomaly.

Adolescent

Flash burns to the face.

A characteristic 'crow's foot' pattern is seen around the eye in many flash burns. The protective blink reflex underlies this, and the injury is due to convected rather than radiant energy.

Adult

The cervicofacial flap.

The cervicofacial flap was first described in 1969 as a means of obtaining skin cover following orbital exenteration. It has been used since for a wide variety of reconstructive purposes in the orbital, lower lid and upper cheek areas. The vascular supply, narrow pedicle and excellent final cosmetic result from the use of this flap are demonstrated.

Aged

Cleft palate and glue ear.

The invariable presence of otitis media with effusion in children with cleft palate aged from 2 to 20 months is confirmed in a prospective trial, and the diagnosis was made in each case by myringotomy. Treatment planning should take account of this, and long term ventilation of at least one ear seems to be mandatory in order to correct bilateral congenital deafness. Close cooperation between otologist and plastic surgeon is essential for diagnosis and treatment of otitis media in these patients.

Cleft Palate

The injured ear: a review of 50 cases.

In a retrospective review of 50 patients with wounds of the ear, simple closure was found preferable to flap repair as a method of primary treatment. Replantation of the partially or totally amputated ear as a composite graft was singularly unsuccessful in this series.

Adolescent

Manganese absorption through a burn.

A case of manganese absorption occurring in association with a burn is presented. We maintain that acute manganese toxicity was a likely cause of liver dysfunction in our patient.

Adult

Amelanotic lentigo malignant melanoma: a case report and review of the literature.

A patient with an amelanotic lentigo malignant melanoma is presented which manifested itself initially as an erythematous flare with the subsequent development of nodules. The diagnosis was only made histologically. A computer search of the literature revealed 6 previous cases, and a review of these rare tumours is presented.

Erythema