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DRB1*04 and DQ alleles: expression of 21-hydroxylase autoantibodies and risk of progression to Addison's disease.

Of 957 patients with type 1 diabetes without known Addison's disease 1.6% (n = 15) were positive for 21-hydroxylase autoantibodies. Among DQ8/DQ2 heterozygous patients, the percentage expressing 21-hydroxylase autoantibodies was 5% (10 of 208) vs. less than 0.5% of patients with neither DQ8 nor DQ2. Three of the diabetic patients found to have 21-hydroxylase autoantibodies on screening were subsequently diagnosed with Addison's disease. Overall, the genotype DQ8/DQ2, consisting of DRB1*0404/DQ8 with DRB1*0301/DQ2, was present in 14 of 21 patients with Addison's disease (8 of 12 with diabetes and 6 of 9 without diabetes or antiislet autoantibodies) vs. 0.7% of the general population (109 of 15,547; P < 10(-6)) and 11% of patients with DM without Addison's disease (62 of 578; P < 10(-6)). Among patients with diabetes with DQ8, Addison's disease was strongly associated with the specific DRB1 subtype, DRB1*0404 (8 of 9 patients from 8 families, in contrast to only 109 of 408 DQ8 DM patients with diabetes without Addison's disease having DRB1*0404; P < 0.001). Among 21-hydroxylase autoantibody-positive DQ8 patients, 80% with DRB1*0404 (12 of 15) had Addison's disease, in contrast to 1 of 10 autoantibody-positive patients with DRB1*0401 or DRB1*0402 (P < 0.001). We conclude that patients with DRB1*0404 and 21-hydroxylase autoantibodies are at high risk for Addison's disease. Patients with DRB1*0401 and DRB1*0402 have more limited progression to Addison's disease despite the presence of 21-hydroxylase autoantibodies.

Addison Disease↗

Adaptation to Addison's disease in a child: a case study.

INTRODUCTION: Addison's disease is a rare chronic illness caused by adrenocortical insufficiency. Understanding the process of family adaptation to this chronic illness in a child will help practitioners enhance the ability of the child and family to cope with this stressful diagnosis. METHOD: A qualitative descriptive case study methodology was used to explore the process of family adaptation to this chronic illness. Eight interviews were conducted with a newly diagnosed 11-year-old White girl with Addison's disease, along with her parents, grandparents, and siblings. Participant observations were made in the family's home. Drawings by the girl with Addison's Disease were included in the data analysis, along with an interview with the child. RESULTS: The overall theme of adaptation to this chronic illness is living a normal life. The family noted that after reaching some acceptance, they began learning how to manage the disease. This process was enhanced by seeking information about the disease and receiving the support of others; in addition, the child was affected by the acceptance of her peers. DISCUSSION: Recognizing factors that may influence the family's adjustment to the diagnosis of Addison's disease in a child will help to direct educational and support efforts by practitioners.

Adaptation, Psychological↗

Polyglandular autoimmune syndrome type II in patients with idiopathic Addison's disease.

The frequency of polyglandular autoimmune syndrome Type II, (idiopathic or autoimmune Addison's disease associated with autoimmune thyroid disease, and/or insulin-dependent diabetes mellitus), was retrospectively investigated in 44 patients (26 females and 18 males) with idiopathic Addison's disease (median age at onset 32.5 years, range 8-62; median observation time 17 years, range 0.5-41) evaluated between 1966 and 1988 in the Department of Endocrinology, General Hospital, Malmö. Twenty-two patients (16 females and 6 males) fulfilled the criteria for polyglandular autoimmune syndrome Type II and of these 16 had autoimmune thyroid disease and 9 insulin-dependent diabetes mellitus. In 7 of 9 patients insulin-dependent diabetes mellitus developed prior to Addison's disease, whereas autoimmune thyroid disease was diagnosed before as well as after Addison's disease and with a similar age distribution as Addison's disease. In conclusion, the present study indicates that polyglandular autoimmune syndrome Type II occurs in about 50% of patients with idiopathic Addison's disease and that autoimmune thyroid disease is more common than insulin-dependent diabetes mellitus in these patients. The present study also indicates that insulin-dependent diabetes mellitus precedes Addison's disease in a majority of these patients and usually develops at a young age, whereas autoimmune thyroid disease precedes as well as succeeds Addison's disease and occurs at all ages in these patients.

Addison Disease↗

Clinical significance of adrenal computed tomography in Addison's disease.

Adrenal computed tomographic (CT) scanning was conducted in twelve patients with Addison's disease during the clinical course. In tuberculous Addison's disease (n = 8), three of four patients examined during the first two years after disease onset had bilaterally enlarged adrenals, while one of four had a unilaterally enlarged one. At least one adrenal gland was enlarged after onset in all six patients examined during the first four years. Thereafter, the adrenal glands may atrophy bilaterally, in contrast to adrenal glands in idiopathic Addison's disease, which atrophy bilaterally from disease onset (n = 2). Adrenal calcification was a less sensitive clue in tracing pathogenesis, i.e., adrenal calcification was observed in five of eight patients with tuberculous Addison's disease, but not in idiopathic patients. Thus, adrenal CT scanning could show the etiology of Addison's disease (infection or autoimmunity) and the phase of Addison's disease secondary to tuberculosis, which may be clinically important for initiating antituberculous treatment.

Addison Disease↗