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PubMed1990

[Contraception and pregnancy in systemic lupus erythematosus].

In 1990 conflicting views are still being held concerning oral contraception and risks associated with pregnancy in women with systemic lupus erythematosus. As regards oral contraceptives, all authors agree that oestrogen-progestin combination pills are harmful, but the best alternative hormonal contraception remains to be determined. Protein-based "micropills" seem to be harmless; cyproterone acetate appears to be without side-effects, and its usefulness in preventing recurrences is being evaluated. As regards pregnancy, it would be wise not to contemplate having a child until 6 months have elapsed since the onset of remission. Blood pressure, platelet count and serum creatinine and uric acid levels must be closely monitored. Two types of antibodies may be present in the mother and are known to be responsible for foetal complications. These are antibodies to phospholipids (antiprothrombinase, anticardiolipin, antibodies responsible for dissociated treponema serology), which expose to spontaneous abortion or intrauterine death, and the antibody to SS-A (or anti-Ro), which exposes to foetal cardiomyopathy and congenital atrioventricular block.

Abortion, Spontaneous↗
PubMed1986

[Cerebral venous thrombosis associated with the use of oral contraceptives].

The entity of cerebrovascular diseases associated with the use of oral contraceptives is well known but quite rare in Japan in contrast to Western countries. We recently encountered a 38 years old female with cerebral venous thrombosis considered to be caused by oral contraception. This patient took oral contraceptives for 17 days following therapeutic abortion, and was transferred to our hospital because of disturbed consciousness. CT scans disclosed a right temporo-occipital subcortical hemorrhagic infarction and bilateral thalamic infarction. Cerebral angiograms showed non-filling of cortical veins in the same area. The internal cerebral vein, vein of Galen and right transverse sinus were not visualized either. The hematoma and necrotic tissue were removed to avoid farther neurological deterioration. The brain was swollen and hyperemic, and thrombosed cortical veins were clearly recognized at operation. Twelve cases, including ours, of cerebrovascular diseases associated with oral contraception were reported up to now in Japan, and only 3 of them were diagnosed objectively as venous or sinus thrombosis. The average age of these 12 cases was 34 years old and many of them experienced abortion or therapeutic abortion. There was no relationship between the dose of estrogen and the onset of cerebrovascular diseases. We believe that the onset of this pathological state is based on gynecological hypercoagulable state, and the oral contraception may play a role of a trigger. Oral contraception should be contraindicated in patients with gynecological hypercoagulable state, hypertension and/or smoking habit.

Adult↗
PubMed1979

Oral contraception.

Explore the source record for details and available documents.

Abnormalities, Drug-Induced↗
PubMed1990

Oral contraception in disease states.

Oral contraceptives are clearly contraindicated in patients with a history of thromboembolic disease, ischemic heart attack, or cerebral stroke. Patients requiring long-term anticoagulant treatment can be treated with gonadotropin-releasing hormone analogs to prevent ovulation, because ruptured follicles can cause massive intraperitoneal bleeding. Patients with essential hypertension and severe liver diseases should also discontinue treatment 4 weeks before major elective surgery. Migraine and diabetes mellitus are regarded as relative contraindications, depending on the individual situation. Long-term diseases, such as Crohn's disease, epilepsy, and sickle cell anemia, also require individualized consultation.

Cerebrovascular Disorders↗
PubMed1989

Oral contraceptive use in women with chronic medical conditions.

Health care practitioners are often faced with the dilemma of whether or not to provide oral contraceptives to women who have certain chronic medical conditions. This article reviews literature regarding the use of oral contraceptives in clients with histories of gestational diabetes, mitral valve prolapse or sickle cell disease. Recommendations for management are provided regarding oral contraceptive use in women with these conditions.

Anemia, Sickle Cell↗
PubMed1992

Hormonally exacerbated hereditary angioedema.

Hereditary angioedema is a rare disorder which is associated with an inherited deficiency of the inhibitor of the activated first component of complement. Genetic transmission occurs in an autosomal dominant manner. Affected patients are heterozygotes, and their deficiency is incomplete, many of them having up to 20% of the normal amount of the inhibitor. We describe two cases of C1 esterase inhibitor deficiency occurring in a mother and daughter in whom the symptoms appeared to be related to the menstrual cycle or the taking of the oral contraceptive pill. Although both features have been mentioned in the literature, to the best of our knowledge premenstrual exacerbations have not been documented previously. We examined the likely basis of hormonally exacerbated hereditary angioedema.

Adolescent↗
PubMed1986

Contraception by Norplant subdermal capsules is not reliable in epileptic patients on anticonvulsant treatment.

The contraceptive efficacy of progestin-only contraception was studied in epileptic patients using NORPLANT subdermal capsules. The effect of anticonvulsants on levonorgestrel plasma levels was determined. NORPLANT subdermal capsules were inserted into nine epileptic women, and ten control women using no medication. Venous blood samples were taken at 0, 1, 3, 6, 9 and 12 months after insertion and the concentration of levonorgestrel was determined by radioimmunoassay. At 3 to 12 months, the overall mean concentration of plasma levonorgestrel was significantly lower in the six epileptics taking phenytoin alone or in combination with other anticonvulsants (203 +/- 128 pg/ml, mean +/- SD) than in the controls (325 +/- 135 pg/ml, p less than 0.01). After one year, nine of the control patients continued the use of NORPLANT and no pregnancies occurred. Two of the nine epileptics became pregnant during contraception by NORPLANT. They both used phenytoin and their plasma concentrations of levonorgestrel were low near the time of conception. Levonorgestrel released from the capsules had no apparent harmful effects on epilepsy and none of the patients reported an increase in seizure frequency. The results show that contraception by the progestin levonorgestrel is not reliable in epileptic patients using anticonvulsants known to induce metabolizing enzymes of the liver.

Adult↗
PubMed1989

Oral contraception and post-operative thromboembolism: an epidemiological review.

It has been stated that oestrogen-containing oral contraceptive medication should be discontinued one month prior to surgery, to avoid an increased incidence of post-operative thromboembolism. Others have suggested that the risk of post-operative morbidity is low compared with the risk of pre-operative pregnancy, and that in most cases no such action should be taken. The evidence from clinical investigation is reviewed, with particular reference to study design. It is found that all studies so far conducted are subject to sources of bias or confounding which render their results inconclusive. There is a need for a randomised control trial comparing the effects of discontinuing or continuing oral contraception prior to surgery. Meanwhile, with a post-operative risk inferred but not conclusively demonstrated, if oral contraception is to be withdrawn prior to surgery, great care must be taken to reduce the risk of ensuing pregnancy to as near zero as possible.

Adolescent↗