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Association between premature mortality and hypopituitarism

Tomlinson, J. W., Holden, N., Hills, Robert Kerrin ORCID: https://orcid.org/0000-0003-0166-0062, Wheatley, K., Clayton, R. N., Bates, A. S., Sheppard, M. C. and Stewart, P. M. 2001. Association between premature mortality and hypopituitarism. Lancet 357 (9254) , pp. 425-431. 10.1016/S0140-6736(00)04006-X

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Abstract

Background Four retrospective studies have reported premature mortality in patients with hypopituitarism with standard mortality ratios (SMRs) varying between 1·20 and 2·17. Patients with hypopituitarism have complex endocrine deficiencies, and the mechanisms underpinning any excess mortality are unknown. Furthermore, the suggestion has emerged that endogenous growth-hormone deficiency might account for any excess mortality. We aimed to clarify these issues by doing a large prospective study of total and specific-cause mortality in patients with hypopituitarism. Methods We followed up 1014 UK patients (514 men, 500 women) with hypopituitarism from January, 1992, to January, 2000. 573 (57%) patients had non-functioning adenomas, 118 (12%) craniopharyngiomas, and 93 (9%) prolactinomas. SMRs were calculated as the ratio of observed deaths to the number of deaths in an age-matched and sex-matched UK population. Findings The number of observed deaths was 181 compared with the 96·7 expected (SMR 1·87 [99% CI 1·62—2·16], p<0·0001). Univariate analysis indicated that mortality was higher in women (2·29 [1·86—2·82]) than men (1·57 [1·28—1·93], p=0·002), in younger patients, in patients with an underlying diagnosis of craniopharyngioma (9·28 [5·84—14·75] vs 1·61 [1·30—1·99], p<0·0001), and in the 353 patients treated with radiotherapy (2·32 [1·71—3·14] vs 1·66 [1·30—2·13], p=0·004). Excess mortality was attributed to cardiovascular (1·82 [1·30—2·54], p<0·0001), respiratory (2·66 [1·72—4·11], p<0·0001), and cerebrovascular (2·44 [1·58—4·18], p<0·0001) causes. There was no effect of hormonal deficiency on mortality, except for gonadotropin deficiency, which, if untreated was associated with excess mortality (untreated 2·97 [2·13—4·13] vs treated 1·42 [0·97—2·07], p<0·0001). Multiple regression analyses identified age at diagnosis, sex, a diagnosis of craniopharyngioma, and untreated gonadotropin deficiency as independent significant factors affecting mortality. Interpretation Patients with hypopituitarism have excess mortality, predominantly from vascular and respiratory disease. Age at diagnosis, female sex, and above all, craniopharyngioma were significant independent risk factors. Specific endocrine-axis deficiency, with the exception of untreated gonadotropin deficiency, does not seem to have a role.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Subjects: R Medicine > R Medicine (General)
Publisher: Elsevier
ISSN: 0140-6736
Last Modified: 24 Oct 2022 11:54
URI: https://orca.cardiff.ac.uk/id/eprint/49697

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