Convulsions in Addison's disease.
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BACKGROUND: The survival rate of patients with primary adrenal insufficiency (Addison's disease) undergoing currently accepted replacement therapy is not known, although well-informed patients are considered to have a normal survival rate. In this study, we evaluated the mortality of patients with Addison's disease in Sweden. METHODS: A population-based, retrospective, observational study was performed, using the National Swedish Hospital and Cause of Death Registers, covering the period from 1987-2001. After a diagnosis of Addison's disease, each patient was followed until the end of follow-up or death. Mortality was compared with that of the Swedish background population. FINDINGS: We identified 1675 patients (995 women and 680 men) diagnosed with primary adrenal insufficiency. The average follow-up from initial diagnosis was 6.5 yr. Five hundred seven patients died during the study period compared with an expected 199. The risk ratio for all-cause mortality was 2.19 (confidence interval 1.91-2.51) for men and 2.86 (confidence interval 2.54-3.20) for women. The excess mortality in both men and women was attributed to cardiovascular, malignant, and infectious diseases. Concomitant diabetes mellitus was observed in 12% of the patients, but only contributed to the increased mortality to a minor extent. INTERPRETATION: Compared with the background population, we observed that the risk ratio for death was more than 2-fold higher in patients with Addison's disease. Cardiovascular, malignant, and infectious diseases were responsible for the higher mortality rate.
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Although primary adrenal failure is considered a rare condition, recent epidemiological studies indicate a rising incidence of the disease owing to the increase of autoimmune disorders. Addison's disease may be a life-threatening condition and the occurrence of pregnancy has been considered as a dangerous event. Nowadays, adrenal insufficiency during pregnancy is associated with high incidence of serious fetal and maternal complications, as fetal death in utero and post-partum adrenal crises, only if the disorder is not recognized and adequately treated. In this article pathophysiological aspects, clinical features and guidelines of management of pregnancy in Addison's disease are reviewed.
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To study the morphology of the adrenal glands of patients with Addison's disease an ultrasound and a computed tomographic scan of the adrenal glands were performed in 28 patients with Addison's disease. Thirteen patients had bilateral, asymmetric adrenal enlargement. In six of these patients, areas of necrosis and calcification were also seen. Six patients had atrophic glands with calcification and nine patients had normal/atrophic glands without calcification. After instituting appropriate treatment, computed tomography (CT) was repeated between 6 months and 3 years later in 10 of the 13 patients with adrenal enlargement. A reduction in gland size was noted in all patients and one had functional recovery. We conclude that the appearance of the adrenal glands on CT depends not only on the nature of the underlying disease but also on the duration of the illness and the type of treatment.
We describe a 35-year-old woman who developed parkinsonism in association with Addison's disease. The parkinsonism disappeared following treatment for Addison's disease without the use of antiparkinsonian drugs. This association stands unique although the pathophysiology remains unclear.
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OBJECTIVE: Recent studies have demonstrated an association between a microsatellite polymorphism of the CTLA-4 gene, specifically a 106 base pair allele, and both Graves' disease and autoimmune hypothyroidism. The aim of the present study was to determine whether the same polymorphism of the CTLA-4 gene was associated with autoimmune Addison's disease. DESIGN AND PATIENTS: We analysed a microsatellite polymorphism (variant lengths of a dinucleotide (AT)n repeat) within exon 3 of the CTLA-4 gene in the following groups: 21 English patients with non-associated Addison's disease, 18 with autoimmune polyglandular syndrome type 2 (APS2) and 173 healthy control subjects; 26 Norwegian patients with non-associated Addison's disease, 9 with autoimmune polyglandular syndrome type 1 (APS1), 17 with APS2 and 100 controls; 3 Finnish patients with non-associated Addison's disease, 5 with APS2 and 71 controls; 10 Estonian patients with non-associated Addison's disease, 2 with APS2 and 45 controls. MEASUREMENTS: The CTLA-4 microsatellite gene polymorphisms were determined by polymerase chain reaction amplification of genomic DNA and resolution of the products on sequencing gels. RESULTS: The frequency of the 106 base pair allele was significantly increased in the groups of English patients with either non-associated Addison's disease or APS2 (P = 0.02 and 0.04, respectively), when compared to healthy controls with no clinical evidence or family history of either Addison's disease or any other autoimmune disorder. For Norwegian patients with either non-associated Addison's disease, APS1 or APS2, there was no association (P = 0.69, 0.62 and 0.97, respectively). This was also the case for Finnish patients with either non-associated Addison's disease or APS2 (P = 0.23 and 0.28, respectively) and for Estonian patients with either non-associated Addison's disease or APS2 (P = 0.34 and 0.29, respectively). CONCLUSIONS: These results indicate that differences exist in the frequency of the 106 base pair allele in different population groups and in only the English population was the 106 base pair allele associated with Addison's disease.