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  • Title: Relation between plasma hormone profiles, symptoms, and response to oestrogen treatment in women approaching the menopause.
    Author: Chakravarti S, Collins WP, Thom MH, Studd JW.
    Journal: Br Med J; 1979 Apr 14; 1(6169):983-5. PubMed ID: 219937.
    Abstract:
    Out of a consecutive series of 300 patients seen at a menopause clinic, 82 complained of symptoms generally associated with the climacteric, although they were still menstruating. Vasomotor disturbances were absent in 42 of these patients (group 1) and present in 40 (group 2). Headaches, insomnia, and dyspareunia were the most common complaints among the women with vasomotor symptoms, whereas loss of libido and depression predominated in those without. Conjugated equine oestrogens (Premarin) 1.25 mg daily given for three weeks out of four relieved nearly all symptoms in group 2, but in group 1 the response was disappointing. The mean plasma oestradiol concentration in women with vasomotor symptoms was significantly lower than that observed during days 1-10 of the menstrual cycle, but plasma testosterone values were not significantly different from those observed in younger women. Plasma follicle-stimulating hormone (FSH) and luteinising hormone (LH) concentrations were similar to those seen after the menopause. Concentrations of these hormones in the women without vasomotor symptoms were similar to those in the younger, regularly menstruating women. After six months of oestrogen treatment patients in group 2 had a 2.1-fold increase in mean plasma oestradiol concentration, and plasma FSH and LH concentrations were reduced to 39% and 66% of their pretreatment values respectively; in group 1, however, no such pronounced changes occurred. High concentrations of FSH were present in patients with oestrogen-responsive symptoms, 15 U/1 being the diagnostic cut-off point. This measurement in the presence of characteristic symptoms therefore constitutes the best method of selecting patients for oestrogen-replacement therapy. Of 300 menopausal patients, 82 experienced climacteric symptoms, with vasomotor disturbances absent in 42 (Group 1) and present in 40(Group 2). Group 2 patients commonly complained of headaches, insomnia and dyspareunia, while Group 1 complained mostly of loss of libido and depression. Group 2 was managed rather successfully with treatment of conjugated equine estrogens (Premarin) daily for 3 weeks; Group 1 was given the same treatment but the response was disappointing. Women with vasomotor symptoms exhibited a lower, mean plasma estradiol concentration compared with that observed during days 1-10 of the menstrual cycle. Concenerations of FSH (Plasma follicle stimulating hormone) and LH (luteinizing hormone) in women with vasomotor symptoms were similar to those of younger, regularly menstruating women. Group 2 patients treated for 6 months with estrogen had a 2.1 fold increase in mean plasma estradiol concentration and 39% and 66% reduction of pretreatment plasma FSH and LH concentrations, respectively; Group 1 did not exhibit such changes. Patients with estrogen-responsive symptoms exhibited high concentrations of FSH (15 U/1 was the diagnostic cut-off point). Effective patient selection for estrogen replacement therapy can be achieved by using this measurement in the presence of characteristic symptoms.
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