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Biomedical subjects

A E Thomas

Publications and source records attributed to A E Thomas.

26 records · Page 2Linked to original sources

Haemorrhagic cystitis in bone marrow transplantation patients: possible increased risk associated with prior busulphan therapy.

Following bone marrow transplantation employing conditioning including 'high-dose' cyclophosphamide, 65 patients were studied for the subsequent development of symptomatic haemorrhagic cystitis. There was no protection from the urothelial toxicity of cyclophosphamide metabolites afforded by the concurrent administration of 2-mercaptoethane sodium sulphonate (mesna) if timing errors in administration were made. Other factors which might increase the risk of haemorrhagic cystitis due to cyclophosphamide administration include the prior administration of busulphan to patients with chronic granulocytic leukaemia, in whom the incidence of haemorrhagic cystitis was 36% compared with 4% in all other patients. We have also investigated the use of intravesical prostaglandin E2 as a treatment for haemorrhagic cystitis in eight patients, two of whom appeared to obtain major benefit.

Adolescent↗

A nomograph method for assessing body weight.

The ratio of weight/height emerges from varied epidemiological studies as the most generally useful index of relative body mass in adults. The authors present a nomograph to facilitate use of this relationship in clinical situations. While showing the range of weight given as desirable in life insurance studies, the scale expresses relative weight as a continuous variable. This method encourages use of clinical judgment in interpreting "overweight" and "underweight" and in accounting for muscular and skeletal contributions to measured mass.

Adult↗

Med-evac--Vietnam.

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Equipment and Supplies↗

Acute myeloid leukemia in elderly adults.

One hundred and fifteen previously untreated adults aged over 60 years were referred to St Bartholomew's Hospital between 1978 and 1986 for management of acute myeloid leukemia (AML). Twenty-seven patients received symptomatic or palliative treatment only because combination chemotherapy was considered inappropriate. Eighty-eight patients received intensive chemotherapy with curative intent. There was a 48 per cent 'early death' rate and a 24 per cent incidence of resistant disease; complete remission (CR) was achieved in 25/88 patients (28 per cent). By multivariate analysis, a blast count less than 50 x 10(9)/l at presentation was the only factor predictive for achievement of CR whilst the latter and a presentation blast count less than 50 x 10(9)/l predicted for superior survival. Treatment was often curtailed on account of unacceptable toxicity; only 2/88 patients received the planned six cycles of treatment. Two patients died in CR. Four patients are alive in first CR at 3-9 years from treatment; one is alive in second CR following meningeal relapse. Overall survival was significantly worse than that of a contemporaneous group of adults aged 15-59 years treated at this hospital, but duration of CR was comparable. There are great difficulties involved in the intensive treatment of AML in elderly adults, but the major survival benefit gained by achieving CR should stimulate the search for better tolerated but still curative regimens.

Aged↗