Clinical endocrinology · 2013
Emerging trends in the diagnosis and treatment of acromegaly in Canada.
СтатьяМногоцентровое исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Vallette Sophie, Ezzat Shereen, Chik Constance, Ur Ehud, Imran Syed Ali, Van Uum Stan, Rivera Juan, Caspar-Bell Gudrun, Serri Omar
Аннотация
OBJECTIVE: To evaluate demographic data and quality of care of patients with acromegaly in Canada and their evolution over time and secondly, to evaluate predictors of co-morbidities and treatment outcomes.
DESIGN AND PATIENTS: Retrospective analyses of clinical, biochemical and treatment outcome data of 649 patients with acromegaly (males: 50·7%) followed from 1980 to 2010 (mean 10·2 years, SD 13·7) in eight tertiary care centres from six Canadian provinces.
RESULTS: In comparison to 1980-1994, the number of patients referred with acromegaly in the last 15 years was higher with female preponderance (52·8% vs 41·4%, P = 0·01) and an older age at diagnosis (46·4 ± 14 vs 41·3 ± 12 years, P < 0·0001). Diabetes was present in 28%, hypertension in 37% and sleep apnoea in 33% of cases. Pretreatment IGF-1 levels, but not GH levels were significant predictors of diabetes (P = 0·0002) and hypertension (P < 0·0001). Eighty-nine per cent of patients underwent pituitary surgery, 64·5% had medical therapy and 22% received radiotherapy. Radiotherapy was less utilized in the past 15 years (16% vs 45%, P < 0·0001). Multimodal therapy achieved remission or control of acromegaly in 70% of patients. Patients in remission or disease control had lower initial random GH (P = 0·04) and IGF-1 levels (P < 0·0001). Hypopituitarism was present in 23% of patients and cancer in 8·5%.
CONCLUSIONS: There was an increase over time of referral for acromegaly management with female predilection. Initial higher IGF-1, but not GH levels, were predictive of co-morbidities and persistent active disease after treatment. Disease remission or control was attained in 70% of patients utilizing multimodal therapy.
DESIGN AND PATIENTS: Retrospective analyses of clinical, biochemical and treatment outcome data of 649 patients with acromegaly (males: 50·7%) followed from 1980 to 2010 (mean 10·2 years, SD 13·7) in eight tertiary care centres from six Canadian provinces.
RESULTS: In comparison to 1980-1994, the number of patients referred with acromegaly in the last 15 years was higher with female preponderance (52·8% vs 41·4%, P = 0·01) and an older age at diagnosis (46·4 ± 14 vs 41·3 ± 12 years, P < 0·0001). Diabetes was present in 28%, hypertension in 37% and sleep apnoea in 33% of cases. Pretreatment IGF-1 levels, but not GH levels were significant predictors of diabetes (P = 0·0002) and hypertension (P < 0·0001). Eighty-nine per cent of patients underwent pituitary surgery, 64·5% had medical therapy and 22% received radiotherapy. Radiotherapy was less utilized in the past 15 years (16% vs 45%, P < 0·0001). Multimodal therapy achieved remission or control of acromegaly in 70% of patients. Patients in remission or disease control had lower initial random GH (P = 0·04) and IGF-1 levels (P < 0·0001). Hypopituitarism was present in 23% of patients and cancer in 8·5%.
CONCLUSIONS: There was an increase over time of referral for acromegaly management with female predilection. Initial higher IGF-1, but not GH levels, were predictive of co-morbidities and persistent active disease after treatment. Disease remission or control was attained in 70% of patients utilizing multimodal therapy.