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PubMed1993

Serum beta-lipoprotein, serum cholesterol and Quetelet's index as predictors for survival of breast cancer patients.

We studied the survival of breast cancer patients in relation to serum cholesterol level, serum beta-lipoprotein level (BLP) and being overweight among women having breast cancer diagnosed during a follow-up period of 20 years. A cohort of 46,570 women attended a general health screening including examination of serum lipid levels, height and weight during 1963-1965. Of these, 1170 women developing breast cancer; 196 were below the age of 50 and 974 were above 50 years of age. 66 of the younger women, and 341 of the older women were reported to have died of breast cancer. A correlation was found between high serum BLP and decreased survival of breast cancer patients < 50 years of age. For women > or = 60 years of age, BLP was positively correlated to breast cancer survival. No correlation was found between serum cholesterol level and breast cancer survival in any age group. Increasing obesity was statistically significantly correlated to decreased survival with breast cancer. The latter findings were in accordance with other studies which have shown being overweight as a risk factor for breast cancer. As for the relationships between ischaemic heart disease and serum lipid levels, in studies of cancer risks in relation to serum cholesterol level, the different fractions of cholesterol seem to be of importance.

Age Factors↗
PubMed2002

Genomic heterogeneity of hepatitis B virus (HBV) and outcome of perinatal HBV infection.

BACKGROUND/AIMS: Data regarding hepatitis B virus (HBV) genomic heterogeneity in perinatal infection are incomplete, although HBV variants might be involved in neonatal fulminant hepatitis (ALF). We investigated HBV variability in infected babies showing different clinical courses. METHODS: We analyzed HBV genomes isolated from nine vertically infected babies and the mothers of four of them. Two infants born to HBe-antigen (HBeAg)-positive women developed a chronic infection; seven babies (six born to anti-HBe mothers) developed acute hepatitis that had a fulminant course in four cases and a benign course in three. Two babies developing ALF received anti-HBV immunoprophylaxis at birth. RESULTS: Viruses carrying no significant mutation infected infants born to HBeAg-positive women. HBeAg-defective viruses were detected both in children with benign and fulminant hepatitis and their mothers. A double nucleotide mutation at positions 1762 and 1764 of the HBV core-promoter was found in two of the four infants with ALF, although it was not detected in isolates from the mother of one of them. No significant S gene mutation was found in HBV from any of the babies. CONCLUSIONS: This study indicates that HBV genomic heterogeneity is not primarily involved either in the evolution of the infection or the failure of neonatal HBV immunoprophylaxis.

Acute Disease↗
PubMed2001

Asymptomatic carotid stenosis and unrelated operations: should we be more aggressive?

BACKGROUND: Carotid lesions will often remain asymptomatic during the perioperative period, so prophylactic carotid endarterectomy (CEA) has not been advocated before other operations. The purpose of this study was to characterize the clinical manifestations of new neurologic symptoms occurring in patients with previously asymptomatic carotid occlusive disease who have undergone recent operations. STUDY DESIGN: We performed a retrospective review of patients developing neurologic symptoms attributable to carotid occlusive disease after unrelated operations. RESULTS: Eleven patients (mean age 68+/-6.4 years, 8 men, 3 women) developed new neurologic symptoms from previously asymptomatic extracranial carotid stenoses after 11 unrelated procedures. Neurologic events included hemispheric stroke (n = 10) and amaurosis fugax (n = 1). Two intraoperative strokes occurred (one mastectomy, one prostatectomy). Other events occurred a mean of 5.8+/-5 (range 1 to 16) days after aortic surgery (n = 2), infrainguinal bypass (n = 3), contralateral CEA for symptomatic disease (n = 2), incisional herniorrhaphy (n = 1), and prostate surgery (n = 1). Responsible internal carotid artery lesions were all stenoses greater than 80%; seven were clearly greater than 90%. Those suffering intraoperative stroke or stroke within 24 hours of operation (n = 3) were not receiving antithrombotic therapy. All other events (n = 8) occurred despite the use ofantiplatelet or anticoagulant agents. Four underwent emergent CEA. Four had elective CEA performed after reaching a neurological recovery plateau. CONCLUSIONS: Critical, asymptomatic internal carotid artery stenoses may cause neurologic symptoms after unrelated surgical procedures.

Aged↗
PubMed2006

Selective magnesium sulfate prophylaxis for the prevention of eclampsia in women with gestational hypertension.

OBJECTIVE: To describe the incidence of eclampsia in women with mild gestational hypertension when only women with severe gestational hypertension are given magnesium sulfate prophylaxis. METHODS: This is a prospective 4(1/2)-year observational study. Those women who met our criteria for severe gestational hypertension received intravenous magnesium sulfate prophylaxis, and women with nonsevere hypertension did not. Data were collected at delivery to ascertain the incidence of eclampsia and maternal and neonatal morbidity. RESULTS: A total of 72,004 women were delivered during the study period, 6,431 had gestational hypertension, 3,935 met the criteria for severe disease and were given magnesium sulfate prophylaxis, 2,496 women with nonsevere hypertension were not treated. Eighty-seven women developed eclampsia, for an overall incidence of 1 in 828 deliveries, a 50% increase when compared with 5 preceding years where all women with gestational hypertension were given magnesium sulfate prophylaxis. Of the 2,496 women with nonsevere hypertension who were not treated, 27 had eclampsia (1 in 92). Women with eclampsia were more likely to require general anesthesia for cesarean delivery compared with hypertensive women without eclampsia (23% versus 4%, P < .001), but they had no additional morbidity. Infants of eclamptic mothers had more adverse outcomes than those without convulsions (12% versus 1%, P < .04). CONCLUSION: Selective magnesium sulfate prophylaxis results in an increased overall incidence of eclampsia because of more seizures in women with nonsevere gestational hypertension who are not given magnesium sulfate prophylaxis. LEVEL OF EVIDENCE: II-3.

Adult↗
PubMed2001

Cluster headache in women: clinical characteristics and comparison with cluster headache in men.

OBJECTIVE: To study the clinical characteristics of cluster headache in women. Cluster headache is a disorder of men (male to female ratio 6-7:1). METHODS: Retrospective chart review to identify all women diagnosed with cluster headache at an academic headache centre from January 1995 through July 1998. RESULTS: Thirty two women and 69 men were identified. The mean age of onset of cluster headache was 29.4 years in women versus 31.3 years in men. Two peaks of onset in women (2nd and 5th decade) were identified compared with one in men (3rd decade). Episodic cluster headache was present in 75% of women and 77% of men. Women and men had on average 3 attacks a day, but attack duration was shorter in women (67.2 minutes v 88.2 minutes). Cluster headache period duration (11.1 weeks v 10 weeks) and remission periods (21.1 months v 23.1 months) were similar in women and men. Miosis and ptosis seemed to be less common in women (miosis 13.3% v 24.6%, ptosis 41.9% v 58.1%) whereas lacrimation and nasal congestion/rhinorrhoea were almost equally prevalent in women and men. Women had more nausea than men (62.5% v 43.5%, p=0.09) and significantly more vomiting (46.9% v 17.4%, p=0.003). Photophobia occurred in 75% of women and 81.2% of men, and phonophobia occurred in 50% of women and 47.8% of men. CONCLUSIONS: The clinical characteristics of cluster headache in women are very similar to those in men. Women develop the disorder at an earlier age of onset and experience more "migrainous symptoms" with cluster headache, especially vomiting. Both men and women have frequent photophobia and phonophobia with cluster headache attacks. These symptoms are not included in the International Headache Society cluster headache criteria, suggesting the need for possible criteria revision.

Adult↗
PubMed2003

Longitudinal study of cervical squamous intraepithelial lesions in human immunodeficiency virus (HIV)-seropositive and at-risk HIV-seronegative women.

We examined incidence and correlates of progression and regression of abnormal cervical cytologic test results, defined as at least low-grade squamous intraepithelial lesions (SILs), in 774 human immunodeficiency virus (HIV)-seropositive and 391 HIV-seronegative women monitored semiannually for up to 5.5 years. During follow-up, 224 (35%) HIV-seropositive women and 34 (9%) HIV-seronegative women had incident SILs detected by Pap test; 47 (7%) HIV-seropositive women developed high-grade lesions. The incidence of SILs was 11.5 cases among HIV-seropositive and 2.6 cases among HIV-seronegative women per 100 person-years of observation (rate ratio, 4.5; 95% confidence interval, 3.1-6.4; P<.001). Risk of incident SILs and likelihood of Pap test progression were increased among HIV-seropositive women with CD4(+) lymphocyte counts <500 cells/mm(3) and among women with human papillomavirus (HPV) infection, with risk-ordering from low- to high-risk HPV type. SIL regression was less likely among HIV-seropositive women with higher HIV loads. No beneficial effect of highly active antiretroviral therapy was demonstrated.

Adolescent↗
PubMed1997

A randomized controlled study of birth center care versus standard maternity care: effects on women's health.

BACKGROUND: The safety of birth center care for low-risk women is an important issue, but it has not yet been studied in randomized controlled trials. Our purpose was to evaluate the effect of birth center care on women's health during pregnancy, birth, and 2 months postpartum by comparing the outcomes with those of women experiencing standard maternity care in the greater Stockholm area. METHODS: Of 1860 women, 928 were randomly allocated to birth center care and 932 to standard antenatal, intrapartum, and postpartum care. Information about medical procedures and health outcomes was collected from clinical records, and a questionnaire was mailed to women 2 months after the birth. Analysis was by "intention to treat;" that is, all antenatal, intrapartum, and postpartum transfers were included in the birth center group. RESULTS: During pregnancy, birth center women made fewer visits to midwives and doctors, experienced fewer tests, and reported fewer health problems. No statistical difference occurred in hospital admissions (4.8%) compared with the control group (4.7%). During labor, birth center women used more alternative birth positions, had longer labors, and did not differ in perineal lacerations. In both groups 1.7 percent of women developed complications, requiring more than 7 days of hospital care after the birth. During the first 2 postpartum months, about 20 percent of women in both groups saw a doctor for similar types of health problems, and no statistical difference occurred in hospital readmissions, 1.4 and 0.8 percent in the birth center and control groups, respectively. CONCLUSION: The results suggest that birth center care is effective in identifying significant maternal complications and as safe for women as standard maternity care.

Adult↗
PubMed2005

Cardiorespiratory fitness is inversely associated with the incidence of metabolic syndrome: a prospective study of men and women.

BACKGROUND: Few studies have reported the relationship between cardiorespiratory fitness and metabolic syndrome incidence, particularly in women. METHODS AND RESULTS: We prospectively studied 9007 men (mean+/-SD age, 44+/-9 years; body mass index, 25+/-3 kg/m2) and 1491 women (age, 44+/-9 years; body mass index, 22+/-2 kg/m2) who were free of metabolic syndrome and for whom measures of waist girth, resting blood pressure, fasting lipids, and glucose were taken during baseline and follow-up examinations. Baseline cardiorespiratory fitness was quantified as duration of a maximal treadmill test. Metabolic syndrome was defined with NCEP ATP-III criteria. During a mean follow-up of 5.7 years, 1346 men and 56 women developed metabolic syndrome. Age-adjusted incidence rates were significantly lower (linear trend, P<0.001) across incremental thirds of fitness in men and women. After further adjustment for potential confounders, multivariable hazard ratios for incident metabolic syndrome among men in the low, middle, and upper thirds of fitness, were 1.0 (referent), 0.74 (95% CI, 0.65 to 0.84), and 0.47 (95% CI, 0.40 to 0.54) (linear trend P<0.001); in women, they were 1.0 (referent), 0.80 (95% CI, 0.44 to 1.46), and 0.37 (95% CI, 0.18 to 0.80) (linear trend P=0.01), respectively. Similar patterns of significant inverse associations between fitness and metabolic syndrome incidence were seen when men were stratified on categories of body mass index, age, and number of baseline metabolic risk factors, but patterns were variable in women. CONCLUSIONS: Low cardiorespiratory fitness is a strong and independent predictor of incident metabolic syndrome in women and men. Clinicians should consider the potential benefits of greater cardiorespiratory fitness in the primary prevention of metabolic syndrome, particularly among patients who have already begun to cluster metabolic syndrome components.

Adult↗
PubMed1985

Higher frequency of left-breast cancer: a possible explanation.

A study of 1027 women with unilateral breast cancer showed that ipsilateral breast cancer was more common before age 45 and contralateral thereafter. The data suggest a possible explanation of the higher incidence of left-breast cancer in American women. A higher percentage of left-handed women developed breast cancer before age 45, but the over-all incidence of unilateral breast cancer was not greater in left-handed women than in right-handed or ambihanded subjects.

Adult↗
PubMedDate not supplied

Biological features of women's alcohol use: a review.

Sensitivity to gender issues in the research community has generated a modest but growing amount of data on the biological effects of alcohol consumption on women. Data generally indicate that the same amounts of alcohol have greater effects on women and that women develop more severe alcohol problems than men over shorter drinking histories. Despite a number of studies, however, there are no clear differences between women and men in the impact of alcohol consumption on cognitive processes. Although the findings are mixed, the data point toward greater physiological deterioration among women as compared with men who have similar drinking histories. These differences may be related to the differences in patterns of social recognition and reaction that occur in instances of alcoholism among women. Such differences are confirmed by other data that indicate greater social isolation and general disorganization among female alcoholics than among male alcoholics. The risks of fetal alcohol syndrome that are associated with heavy alcohol consumption among women during pregnancy have been established, and a complex of other relationships between alcohol consumption and reproductive-related systems and behaviors exists. Linkages between sexual dysfunction, sexual satisfaction, and alcohol consumption appear to exist, but have not yet become clearly understood. It appears that alcohol may be used as a self-medication to cope with perceived problems of sexuality. It also appears that heavy alcohol consumption can contribute to sexual dysfunction and dissatisfaction. A growing body of sophisticated experimental research has established relationships between patterns of alcohol metabolism and phases of the menstrual cycle, with this literature offering some of the clearest indications of distinctive differences between the sexes in the biological consequences and correlates of alcohol consumption.

Alcoholism↗
PubMed1996

[Hemoglobin A1c in diabetes related to pregnancy induced hypertension].

OBJECTIVE: To test the hypothesis that the poor control of diabetes during pregnancy is correlated with a high rate of pregnancy induced hypertension (PIH). METHODS: A retrospective analysis on 146 pregnant women with diabetes mellitus of White's class B to RF (gestational diabetes was excluded) diagnosed before pregnancy was carried out in Yale-New Haven hospital, U.S.A. RESULTS: 36.3% of the diabetic women developed PIH. Hemoglobin A1c (HbA1c) levels were higher than normal in 63.7% (93 cases) of the patients during their initial prenatal visits. In the group with HbA1c score > or = 6 and White's Class D-RF, more cases developed PIH than that in groups with HbA1c score < 6 and White's Class B and C (P < 0.01, P < 0.05). CONCLUSION: Diabetic women with high HbA1c score or advanced White's Class during pregnancy were at increased risk for PIH. Good control of blood glucose level throughout pregnancy may reduce the risk of PIH in diabetic women.

Female↗
PubMed1993

Dose-response relationships for radiation-induced thyroid cancer and thyroid nodules: evidence for the prolonged effects of radiation on the thyroid.

The risk of developing thyroid cancer and other thyroid neoplasms after radiation exposure is well known, but specific modifiers of the dose-response relationship are not. We have identified 4296 subjects who received treatment before their sixteenth birthday with orthovoltage radiation for benign conditions in the head and neck area. Individual thyroid dose estimates were calculated for 3843 subjects. Of the 2634 subjects who have been found, 1043 have developed thyroid nodules of all types, and 309 have developed thyroid cancer. The radiation dose-response relationship was consistent with a linear excess relative risk model for thyroid cancer and thyroid nodules within the range of observed doses. Women developed thyroid cancer and thyroid nodules at a higher rate, but the slopes of the dose-response curves were the same for men and women. Age at radiation exposure was a significant factor of the risk, with a lower age at exposure associated with a higher risk. To determine the effect of the wide publicity and our screening program, which began in 1974, we compared the dose-response relationship for cases diagnosed before and after 1974. The overall rates increased dramatically after 1974, but the estimates of the slopes of the dose-response curves were not statistically different. The slope of the dose-response curve for thyroid neoplasms appears to have reached a maximum 25-29 yr after radiation exposure, but the dose response continued to be elevated at the end of follow-up. These data are consistent with the tumorigenic effects of radiation lasting at least 40 yr.

Adult↗
PubMedDate not supplied

Socioeconomic development, status of women, family planning, and fertility in Bangladesh: a district level analysis.

In this paper we examine the effects of socioeconomic development, the status of women, and family planning on fertility and the extent to which these effects vary among the nineteen districts of Bangladesh. The 1983 and 1991 Bangladesh Contraceptive Prevalence Survey data are used to examine the effects of these factors on differences in contraceptive use among currently married women aged 15-49. The proportion of currently married women aged 15-49 using contraception was 46.3 per cent in 1991, a considerable increase from 26.5 per cent in 1983. Contraceptive use rates for all the districts increased substantially over the period between 1983 and 1991 and the gap between Dhaka's rate and those of other districts was narrower in 1991 than in 1983. An analytical model composed of socioeconomic development, status of women, and family planning variables is tested using logistic regression. The logit model is used to evaluate the effects of a selected group of variables on the probability of using contraceptive methods. The analysis demonstrates clearly that socioeconomic development and women's status significantly impact the use of contraceptive methods in Bangladesh. The results also suggest that better-educated, employed women are more likely to use contraception than those who have little or no formal education and who are not employed. In 1983, rural-urban differences in contraceptive use were significant, but in 1991 area of residence was not significant, which suggests that family planning programs may have played an important role in providing contraceptive information and technology to rural areas. Our analysis also suggests that family planning programs operated more efficiently in some districts than in others, and regional differences remained important in 1991 as they were in 1983. Decomposition analysis suggests that shifts in population structure favored increased contraceptive use in Bangladesh. This analysis also indicates that change in rate is also important, contributing about 21 per cent of the overall increase in contraceptive use.

Adolescent↗
PubMed1997

Invasive cervical cancer after conservative therapy for cervical intraepithelial neoplasia.

BACKGROUND: Conservative outpatient therapy for cervical intraepithelial neoplasia (CIN) by ablative or excisional techniques is widely used. The main objective of this treatment is the prevention of invasive cervical cancer. We assessed the rate of invasive disease and the duration of the risk of developing invasive cervical cancer after such treatment. METHODS: Four UK centres have used life-table methods to analyse the long-term results of conservative treatment of CIN. We combined and updated data from these studies to investigate the rate of invasive disease after treatment and the duration of that risk. FINDINGS: The data comprised 44 699 woman-years of follow-up, with 2116 women under observation 8 years after treatment. 33 women developed invasive cancer, 14 of whom had microinvasion. The cumulative rate of invasion 8 years after treatment was 5.8 per 1000 women and the rate of invasive cancer during this period was 85 (95% CI 60-119) per 100,000 woman-years. The risk of developing cancer did not change throughout the 8 years of follow-up. INTERPRETATION: These data show that conservative outpatient therapy in women with CIN reduces the risk of invasive cancer of the cervix by 95% during the first 8 years after treatment. However, even with careful, long-term follow-up, the risk of invasive cervical cancer among these women is about five times greater than that among the general population of women throughout that period. Careful follow-up is essential for at least 10 years after conservative treatment of CIN.

Adult↗
PubMed1987

Characteristics of menopausal women seeking assistance.

Using a questionnaire approach, we have determined the demographic, social, and clinical characteristics of the first 100 participants attending our menopause clinic. Of the respondents, 79% reported onset of significant physical symptoms and 63% significant emotional symptoms during the menopause. Among the participants, 65% had varying degrees of depression as determined by the Zung self-rating depression scale. This seemed to be more prevalent in patients with previous pelvic operations. Only half the women were on a regimen of estrogen replacement therapy, and most were receiving estrogen in an unopposed fashion. In our menopause clinic, more than half the women were over their ideal body weight, which is in contrast to the popular misconception that only thin women develop menopausal symptoms. Data from our patients suggest the need for multidisciplinary menopause clinics to adequately address the physical and emotional problems of menopausal women.

Adult↗
PubMed1996

Maternal assessment of infant development: associations with alcohol and drug use in pregnancy.

Surveillance by parental concern has been advocated to assess whether formal child developmental testing is needed. To determine whether alcohol intake or illicit drug use in pregnancy is associated with differences in maternal perception of infant development, mothers with acknowledge alcohol and drug habits during pregnancy (N = 120) were interviewed at 11 months' postpartum, within 1 month before infant testing by use of the Bayley Scales of Infant Development. Women with heavy alcohol intake during pregnancy (> 3.5 oz absolute alcohol per week) were 15-fold more likely to overestimate their infant's mental development (P < 0.05), whereas mothers using illicit drugs were 4-fold more likely to overestimate their infant's physical development (P = 0.02). Given the frequent denial of substance abuse, we suggest that health care providers be cautious in accepting a lack of parental concern about a child's development and rely more heavily on formal testing, particularly in high-risk populations.

Adult↗
PubMed2001

Palpable asymmetrical thickening of the breast: a clinical, radiological and pathological study.

While management protocols for a discrete palpable breast lump are standardized in most centres, the approach to an area of palpable asymmetrical thickening in the breast has seldom been addressed. A diagnostic algorithm for palpable asymmetrical thickening of the breast was prospectively evaluated in 116 Oriental women, followed by a retrospective review of their mammograms and histology specimens. Most women (86%) were pre-menopausal and 82% complained of a lump. The thickening eventually resolved spontaneously in 93 (80%) women. None of these 93 women developed cancer at a median follow-up of 41 months. A total of 9 (7.8%) cancers were found in the series of 116 women, including two with a lobular component. The occurrence of cancer was more likely when the woman was older than 43 years or when the thickening was marked (p<0.04). Mammographic review showed correlation of the palpable thickening with localized increase in breast tissue density and/or microcalcifications in 18% of cases. Histology review suggested fibrosis as an explanation for the clinical presentation. Although most cases of thickening tend to resolve with time, a significant number of cancers present in this way. A diagnostic approach with early and liberal imaging and biopsy for high risk women is required.

Adult↗