BMJ 1997; 315 doi: https://doi.org/10.1136/bmj.315.7112.892 (Published 04 October 1997) Cite this as: BMJ 1997;315:892

Lung volume reduction surgery has been claimed to produce substantial improvements in lung function in patients with emphysema: the forced expiratory volume in one second has been reported as increasing by over 80% in some series. Exercise tolerance and the quality of life are said also to improve. An editorial in Thorax (1997;52:755-6) has now called for a randomised controlled trial, warning that the introduction of surgery of this kind “in a non-standardised way using several different techniques in differing populations with or without pulmonary rehabilitation has the potential to consume vast financial and physical resources.”

As many as a tenth of people who have salmonella enteritis may develop a reactive arthritis. A study in Finland (Annals of the Rheumatic Diseases 1997;56:516-20) followed up 50 patients with salmonella arthritis for an average of 11 years and found that 20 had recovered completely, 10 had mild symptoms, 11 had had a further transient arthritis, five had had iritis, and eight had developed chronic spondyloarthropathy. All the patients with chronic or recurrent arthritis were positive for HLA B27.

As childhood fevers have been largely eliminated by immunisation, parents are increasingly concerned about possible long term effects from the vaccines. The measles hypothesis has suggested a link between inflammatory bowel disease and live …

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