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Acute exacerbations of chronic obstructive airways disease (COAD) are a common cause of admission to hospital, and have a high mortality. Nasal intermittent positive pressure ventilation (NIPPV) has been used successfully in patients with respiratory failure due to neuromuscular and skeletal disorders, but the outcome of treatment in patients with COAD is(More)
A method is described which allows rapid measurement of the electrical potential difference across colonic mucosal epithelium to be carried out during routine sigmoidoscopy. The potential differences measured had a mean value of 25 mV (range 4 to 51 mV) in 27 subjects with normal bowel. Six hours after two intravenous injections of 0.5 mg aldosterone the(More)
Antibody responses were measured in a volunteer infected four times with Necator americanus over a 27-month period. The main source of antigen was culture fluid in which living adult N. americanus had been maintained for several days. Antibodies to worm acetylcholinesterase and IgE antibodies were detected only with this material, but antibodies were(More)
This is a cross-sectional study of spine and hip bone density (BMD) in 124 female athletes, aged 16-68 years, who trained for at least 3 hs/week. The aim was to document the effects of competitive running on BMD in women over a broad age range. Thirty-three subjects, aged <35 years, were currently oligo- or amenorrheic and, of the 50 who were >40 years, and(More)
Two hundred and thirty-one randomly selected schoolchildren and adults from rural Gambian villates showed no evidence of asthma, nor could any case of asthma be found in three rural villages with a total population of over 1200. In contrast, asthmatic patients were identified without difficulty in the capital town. The geometric mean serum IgE level of 131(More)
To try to establish whether mechanical stress and muscular activity in earlier life influence the incidence and severity of spinal osteoporosis in old age lateral x-ray films of the lumbar vertebrae were obtained from three matched groups, each of 100 women 50 to 90 years old. Group A was of rural Bantu accustomed to carrying heavy loads on their heads.(More)
The prevalence of immediate positive reactions to prick testing with house dust mite (Dermatophagoides pteronyssinus) and grass pollen allergens was determined in a random sample of 303 children aged between 8 and 14 years from two Southhampton schools. One hundred and two (33-7%) showed positive reactions, fifty to both D. pteronyssinus and grass pollen,(More)
Bronchoalveolar lavage was performed in 97 patients including control patients with bronchial carcinoma (24) and patients with sarcoidosis (20), cryptogenic fibrosing alveolitis (9), and asthma (4), and others. Cytocentrifuged slides were stained by two methods: May-Grünwald Giemsa and toluidine blue. In the last 32 subjects the bronchoalveolar lavage fluid(More)
1. Mast cell activation in the lung was investigated by measuring concentrations of mast cell tryptase and histamine in the bronchoalveolar lavage fluid from patients with bronchial carcinoma, sarcoidosis, extrinsic allergic alveolitis or cryptogenic fibrosing alveolitis and from normal subjects. 2. Histamine concentrations in bronchoalveolar lavage fluid(More)