Journal of the American Geriatrics Society · 1996
Differences in the signs and symptoms of hyperthyroidism in older and younger patients.
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Trivalle C, Doucet J, Chassagne P, Landrin I, Kadri N, Menard J F, Bercoff E
Аннотация
OBJECTIVES: To determine if aging modifies the clinical presentation of hyperthyroidism and the signs of thyrotoxicosis in older people.
DESIGN: Prospective cohort study.
SETTING: A French university hospital.
SUBJECTS: Eighty-four new patients with overt hyperthyroidism confirmed chemically between January 1992 and January 1993. Controls were 68 older euthyroid patients matched to the older hyperthyroid patients.
MEASUREMENTS: Comparison of 19 classical signs of hyperthyroidism between 34 older patients (> or = 70 years; mean age 80.2) and 50 younger patients (< or = 50 years; mean age 37.4). Older patients were also compared with controls (mean age 81.3).
RESULTS: Three signs were found in more than 50% of older patients: tachycardia, fatigue, and weight loss. Seven signs were found significantly less frequently in older patients (P < .001): hyperactive reflexes, increased sweating, heat intolerance, tremor, nervousness, polydipsia, and increased appetite. Only anorexia (32% vs 4%) and atrial fibrillation (35% vs 2%) were more found frequently in older people (P < .001). A goiter was present in 94% of the younger and in 50% of the older patients (P < .001). The mean number of clinical signs found in the older subjects was significantly smaller than the number found in younger patients (6 vs 10.8; P < .001). Comparison with older controls showed three signs that were highly associated with thyrotoxicosis in older people: apathy (Odd ratio (OR): 14.8), tachycardia (OR: 11.2), and weight loss (OR: 8.7).
CONCLUSION: This study confirms the paucity of clinical signs of hyperthyroidism in older adults. These results suggest the necessity of routine screening for thyroid disease in this age group.
DESIGN: Prospective cohort study.
SETTING: A French university hospital.
SUBJECTS: Eighty-four new patients with overt hyperthyroidism confirmed chemically between January 1992 and January 1993. Controls were 68 older euthyroid patients matched to the older hyperthyroid patients.
MEASUREMENTS: Comparison of 19 classical signs of hyperthyroidism between 34 older patients (> or = 70 years; mean age 80.2) and 50 younger patients (< or = 50 years; mean age 37.4). Older patients were also compared with controls (mean age 81.3).
RESULTS: Three signs were found in more than 50% of older patients: tachycardia, fatigue, and weight loss. Seven signs were found significantly less frequently in older patients (P < .001): hyperactive reflexes, increased sweating, heat intolerance, tremor, nervousness, polydipsia, and increased appetite. Only anorexia (32% vs 4%) and atrial fibrillation (35% vs 2%) were more found frequently in older people (P < .001). A goiter was present in 94% of the younger and in 50% of the older patients (P < .001). The mean number of clinical signs found in the older subjects was significantly smaller than the number found in younger patients (6 vs 10.8; P < .001). Comparison with older controls showed three signs that were highly associated with thyrotoxicosis in older people: apathy (Odd ratio (OR): 14.8), tachycardia (OR: 11.2), and weight loss (OR: 8.7).
CONCLUSION: This study confirms the paucity of clinical signs of hyperthyroidism in older adults. These results suggest the necessity of routine screening for thyroid disease in this age group.