Gene/Protein
Disease
Symptom
Drug
Enzyme
Compound
Pivot Concepts:
Gene/Protein
Disease
Symptom
Drug
Enzyme
Compound
Target Concepts:
Gene/Protein
Disease
Symptom
Drug
Enzyme
Compound
Query: UMLS:C0020538 (
hypertension
)
170,190
document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)
Of the oral contraceptives in current use, the most practical and effective are: 1) the combination pill (estrogen and progesterone in various combinations), with a contraceptive effect of almost 100%; 2) 2-phase treatment (estrogen and progesterone administered sequentially), which produces less negative side effects, but is slightly less reliable as an ovulation inhibitor; and 3) the minipill (containing only progesterone), which eliminates any estrogen-induced side effects, but is slightly more complicated as a medication. Continuous treatment with large combination dosages may be tried when complete elimination of menstruation is desirable. The monthly and weekly pills are still being tested. High dosages before or after coitus may be used in certain situations. Clinically undesirable side effects of oral contraceptives include urinary tract infections, fluor vaginalis, moniliasis,
hypertension
, water retention, lactation changes, and, less frequently, liver and skin disorders and modifications of the carbohydrate metabolism system. These can often be lessened or eliminated by changing to the minipill or to another preparation. A table indicates signs of excessive estrogen or progesterone influence. Extremely serious (sometimes life-threatening) side effects include persistent
anovulation
, thromboembolic disorders, liver tumors, and severe
hypertension
. Often the beneficial side effects of oral contraceptives are not mentioned, e.g., improvement or elimination of menstrual disorders, anemia, and acne, and prevention of benign breast and uterine tumors and ovarian cysts. The psychological benefits must also be taken into account. Fear of pregnancy is eliminated and birth control spacing results in improved health for mothers and children.
...
PMID:[Oral contraceptives (author's transl)]. 79 88
Oral contraceptives have been implicated as a causative factor of venous thrombosis and thromboembolism. Compounds containing over 50 mcg of estrogen have developed this complication most frequently. Steroid hormones have a marked influence on liver function. Large doses have caused cholestasis and hepatocellular damage. Disturbances in carbohydrate metabolism have been recorded. Lipid metabolism have also been shown to be disturbed with increased serum levels of triglycerides and low density lipoproteins. A rise in the cholesterol serum level seems to be correlated with the progestogen content of the compound. The ''minipill'' with a small dose of progestogen alone had been effective by alteration of the cervical mucus. The ''one-a-month pill'' is a combination of a long-acting estrogen, quinestrol, and a chorter acting progestogen, qunigestanol acetate. It has not been as acceptable or as effective as combined compounds. The ''morning-after'' pill consists of large doses of stilbestrol. The method has been effective but when de-ethylstilbestrol has been given to a patient already pregnant to prevent an early spontaneous abortion, adenocarcinoma of the cervix or vagina has been reported.
Hypertension
has been more common with increased duration of pill use. High dosage of progestogens and increasing age of patients have increased the incidence of
hypertension
. Cerebrovascular disease had also been more frequent among pill users. An increased incidence of gallbladder disease and of gallstones has been shown in pill users. Urinary tract and vaginal infections were reported more often in pill users. Increased sexual activity may have been a factor in this relationship. Resumption of ovualation after discontinuation of oral contraceptives usually follows within 4-6 weeks. In about 1% of patients amenorrhea and
anovulation
result for 6 months or more. This is often accopanied by galactorrhea. There is evidence that mestranol is demethylated to ethinyl estradiol in the liver. Progesterone seems to interfere with conversion. Therefore ethinyl estradiol is preferred as a compound of the pill. Also the different progestogens used are metabolized in the liver to norethisterone before they exert their biological effects. Several drugs, as ampicillin and barbiturates, have been shown to interfere with the efficacy of oral contraceptives. It is concluded that the overall results have shown oral contraceptives to be an excellent form of contraception with minimal and acceptable side effects and the least metabolic disturbance.
...
PMID:Current status of oral contraceptive. 82 61
Precanceroses and early screening of endometrial carcinomas are reviewed. Measures are evaluated on how to prevent this malignancy with administration of gestagens in hyperplastical endometrial changes in climacteric conditions and manifestations of endometrial estrogenization in postmenopause. On the basis of clinical, laboratory and histological investigations, the total of 31 female subjects with dysfunctional bleeding was given medroxyprogesterone acetate (Provera Upjohn tbl.) in 10 mg daily doses for up to 10-13 days cyclically prior to the onset of menopause. Under the mentioned treatment any of them experienced the rebleed, and no endometrial carcinoma had been diagnosed with control vacuum curettage within one year of observation. In a total of 196 women operated on to endometrial carcinoma, the occurrence of risk-factors for the development of mentioned tumour (obesity, late menopause, i.e. menopause after 50 years of age, sterility and dysfunctional bleeding backed with
anovulation
, long-term estrogen administration, feminizing ovarian tumours, liver diseases, glycide metabolic disorders and
hypertension
) was evaluated. The present work was aimed on the screening of asymptomatic group of women. Two important signs (obesity and late menopause) were invariably determined with the addition of any other risk factor. Mentioned women are supposed to undergo regular yearly histological investigation of endometrium. Of most benefit the vacuum curettage is believed by authors as a result of comparing the validation of cytological and histological methods in order of early evidence.
...
PMID:[Precanceroses and endometrial carcinoma]. 184 15
Pregnancy and Cushing's syndrome are seldom found together (40 cases in the literature), since hyperadrenocorticism is often responsible for
anovulation
by gonadotropin suppression. We report the case of a 25-year old para II woman whose pregnancy was complicated by diabetes and arterial
hypertension
at 31 weeks and who received the conventional treatments (special diet, insulin therapy, pindolol). Caesarean section, motivated by premature rupture of the membranes, was performed at 37 weeks, delivering a healthy infant. The diagnosis of hypercortisolism with low ACTH level was made post partum. An adrenal tumour (the most frequent cause of Cushing's syndrome occurring during pregnancy) was removed after pre-operative treatment with ketoconazole, and endocrine functions returned to normal.
...
PMID:[Adrenal adenoma disclosing after delivery]. 209 25
This review of the connection between unopposed estrogen therapy for climacteric symptoms and the development of endometrial hyperplasia briefly outlines the history of the association, and then concentrates on clinical classification problems which muddy the attempts to come to a clear understanding of the relationship between estrogen replacement therapy (ERT) and endometrial cancer. Little agreement exists about the definition of endometrial pathology and of the malignant potentials of different types of hyperplasia. This paper classifies 4 types of hyperplasia: 1) cystic hyperplasia, which has the risk of malignant change of less than 2%; 2) adenomatous hyperplasia, which has a risk of malignant change from 12-25%; 3) atypical hyperplasia, which has a malignancy potential of 45%; and 4) carcinoma in situ, which is malignant. The following conditions are discussed as they are associated with endometrial hyperplasia and adenocarcinoma: 1) obesity; 2)
anovulation
; 3) late menopause; 4) Stein-Leventhal syndrome; 5) functioning ovarian tumors; and 6) diabetes history. In addition
hypertension
and cancers of the breast and ovary occur more often with endometrial cancer than would be expected by chance. The remainder of the paper discusses the administration of exogenous estrogens unopposed, exogenous progestins, and their concurrent use, especially in controlling menopausal symptoms. Prevention, diagnosis, and treatment of hyperplasia are discussed. In terms of prevention, a study showed that low-dose cyclical Premarin (.625 mg) resulted in an incidence of hyperplasia of 7% and with higher doses (1.25 mg) rose to 15%. The addition of d-norgestrel for 7 days to the high dose of Premarin reduced incidences to 3%, whereas estrogen plus low-dose norethindrone resulted in 0% incidence of cystic hyperplasia. It is recommended that the unopposed use of estrogens be avoided if possible, although short-term therapy up to 6 months is probably safe. Longer term therapy must have added progestogen, and endometrial sampling in the form of Vabra curettage should be performed every year in patients taking unopposed estrogens and every 3 years in patients taking combined estrogen therapy.
...
PMID:Oestrogens and endometrial hyperplasia. 699 95
About 30% of infertility is caused by
anovulation
, associated most commonly with the polycystic ovary syndrome (PCOS). PCOS is a common endocrinopathy in women, especially at the age of 30 to 35 years, characterized by irregular menses, infertility and signs of hyperandrogenism. The pathogenetic mechanisms leading to PCOS are not fully understood, although several theories have been proposed. PCOS patients commonly have hyperinsulinemia and insulin resistance which are also known risk factors for the development of diabetes mellitus,
hypertension
and cardiovascular disease. However, it is not known, how well the presence of PCOS symptoms would predict the appearance of the long-term sequelae of insulin resistance. Also more data is needed e.g. of the role of intrauterine factors and birth weight in the development of PCOS and hyperandrogenism.
...
PMID:Polycystic ovary syndrome and hyperandrogenism as a risk factor for cardiovascular disease. 975 81
Polycystic ovary syndrome is a diagnosis made in 5%-10% of women between late adolescence and the menopause. Patients may present with oligomenorrhoea or amenorrhoea,
anovulation
or infertility, hirsutism or acne. Women with the syndrome have at least seven times the risk of myocardial infarction and ischaemic heart disease of other women, and by the age of 40 years up to 40% will have type 2 diabetes or impaired glucose tolerance. Polycystic ovary syndrome is associated with insulin resistance, with consequent hyperinsulinaemia and (frequently) hyperlipidaemia and obesity. Recent research has shown that the application of diabetes management techniques aimed at reducing insulin resistance and hyperinsulinaemia (such as weight reduction and the administration of oral hypoglycaemic agents) can not only reverse testosterone and luteinising hormone abnormalities and infertility, but can also improve glucose, insulin and lipid profiles. The management of polycystic ovary syndrome should now include patient education and attention to diabetes and cardiovascular risk factors such as hyperlipidaemia, obesity, physical exercise, glucose intolerance,
hypertension
and cigarette smoking.
...
PMID:Polycystic ovary syndrome: a new direction in treatment. 986 12
Polycystic ovary syndrome is a common problem affecting approximately 5% of women of reproductive age when defined by clinical features of
anovulation
and hyperandrogenism. Metabolic derangements associated with this condition may predispose to a range of diseases with attendant morbidity and mortality risks. In general, available data support significantly increased rates of type II diabetes mellitus, dyslipidemia, and endometrial cancer in PCOS that are not completely explained by obesity; data also suggest that rates of
hypertension
, gestational diabetes, and pregnancy-induced
hypertension
may likewise be increased, although the extent to which obesity mediates these risks is not clear. The increased prevalence of several cardiovascular risk factors in PCOS and limited cross-sectional data suggest that cardiovascular disease should be more likely in PCOS, but prospective data are lacking to confirm this supposition. Limited data have suggested an association between PCOS and ovarian cancer risk and require further study. The present data do not support an increased risk for breast cancer in this condition. Long-term prospective data are clearly needed to better delineate the nature and magnitude of disease risks associated with PCOS, with appropriate adjustment for associated obesity. Such information is a necessary background for understanding the role of established and emerging PCOS therapies, including oral contraceptives, intermittent progesterone, ovulation induction agents, and insulin sensitizers, in modifying such risks. In the meantime, close follow-up of women with PCOS and encouragement of lifestyle practices likely to reduce disease risks, such as regular exercise and weight control, should be standard practice.
...
PMID:The epidemiology of polycystic ovary syndrome. Prevalence and associated disease risks. 1035 18
Polycystic ovary syndrome (PCOS), a syndrome of hyperandrogenism and
anovulation
with numerous associated derangements, is typified by a substantially increased incidence of type 2 diabetes mellitus and coronary disease in mid-adult life. A marker of the disorder, and a potential determinant of the macroangiopathy, is insulin resistance. Thus, in addition to altered lipid metabolism,
hypertension
, hormonal derangements, obesity, and altered coagulation--all of which may contribute to the development of vascular disease--the insulin resistance and dysinsulinemia may underlie impaired fibrinolysis and related derangements within the vessel walls that may be modifiable by attenuation of insulin resistance and amelioration of hyperinsulinemia.
...
PMID:Cardiovascular consequences of polycystic ovary syndrome. 1035 28
Polycystic ovary syndrome (PCOS) is the most common endocrinopathy in women of reproductive age. New treatment approaches resulting from a refined understanding of the pathophysiology are evolving. The literature shows that PCOS is an endocrinopathy resulting from insulin resistance and the compensatory hyperinsulinemia. This results in adverse effects on multiple organ systems and may result in alteration in serum lipids,
anovulation
, abnormal uterine bleeding, and infertility. In addition, PCOS may place the patient at long-term risk for the development of type 2 diabetes,
hypertension
, endometrial cancer, and cardiovascular disease. Oral contraceptives, progestins, antiandrogens, and ovulation induction agents remain standard therapies. However, insulin-sensitizing agents are now being shown to be useful alone or combined with standard therapies. Early identification of patients at risk and prompt initiation of therapies, followed by long-term surveillance and management, may promote the patient's long-term health.
...
PMID:Polycystic ovary syndrome: new perspective on an old problem. 1123 33
1
2
3
4
5
Next >>