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PubMed2005

High incidence of diabetes in men with sleep complaints or short sleep duration: a 12-year follow-up study of a middle-aged population.

OBJECTIVE: The aim of this study was to investigate the possible relationship among sleep complaints, sleep duration, and the development of diabetes prospectively over a 12-year period in a middle-aged Swedish population. RESEARCH DESIGN AND METHODS: A random sample of 2,663 subjects aged 45-65 years living in mid-Sweden were sent a postal questionnaire including questions about sleep complaints, sleep duration, sociodemographic characteristics, behavioral risk factors, medical conditions, and depression (response rate 70.2%). Twelve years later, a new questionnaire with almost identical questions was sent to all the survivors (n = 1,604) in 1995, and the questionnaire was answered by 1,244 subjects (77.6%). RESULTS: Men reporting new diabetes at follow-up more often reported short sleep duration (< or =5 h per night) (16.0 vs. 5.9%, P < 0.01), difficulties initiating sleep (16.0 vs. 3.1%, P < 0.001), and difficulties maintaining sleep (28.0 vs. 6.3%, P < 0.001) at baseline than men who did not develop diabetes. Women reporting new diabetes at follow-up reported long sleep duration (> or =9 h per night) more often at baseline than women not developing diabetes (7.9 vs. 2.4%, P < 0.05). In multiple logistic regression models, the relative risk (95% CI) for development of diabetes was higher in men with short sleep duration (2.8 [1.1-7.3]) or difficulties maintaining sleep (4.8 [1.9-12.5]) after adjustment for age and other relevant risk factors. Short or long sleep duration or sleep complaints did not influence the risk of new diabetes in women. CONCLUSIONS: Difficulties maintaining sleep or short sleep duration (< or =5 h) are associated with an increased incidence of diabetes in men.

Aged↗
PubMed2003

Cross-sectional and longitudinal evaluation of uterine artery Doppler velocimetry for the prediction of pre-eclampsia in normotensive women with specific risk factors.

OBJECTIVE: To evaluate the performance, in the prediction of pre-eclampsia, of (1) an abnormal mean uterine artery resistance index (RI; cross-sectional index) at 24 weeks of gestation, (2) the individual longitudinal flow pattern of results observed at 16, 20 and 24 weeks of gestation and (3) a multiple logistic regression model including the individual longitudinal flow pattern and the mean RI at 24 weeks. METHODS: A total of 144 normotensive pregnant women with risk factors for pre-eclampsia were evaluated with uterine artery color Doppler at 16, 20 and 24 weeks' gestation. The following indices were obtained: (1) cross-sectional index: the mean RI of both uterine arteries at 24 weeks' gestation was calculated for each patient and considered abnormal when >/= 0.58; (2) longitudinal indices: the individual longitudinal flow pattern of mean RI of both the main uterine arteries at 16, 20 and 24 weeks' gestation was derived for each subject and defined as (a) the typical physiological flow pattern, with a trend of decrease in values or (b) the non-physiological flow pattern. The probability of having a pregnancy complicated by pre-eclampsia was also calculated by means of a multivariate logit model. The log-odds was modeled as a function of variables related to maternal characteristics, the individual longitudinal flow pattern indicator, and of the mean RI at 24 weeks' gestation as a continuous variable. RESULTS: Pregnancies had a physiological course in 108 (75%) women, while 36 (25%) women developed pre-eclampsia during the third trimester. For the prediction of pre-eclampsia, the use of an abnormal uterine artery RI index (> or = 0.58) at 24 weeks showed a sensitivity of 77.8%, a specificity of 67.6%, a positive predictive value (PPV) of 44.4% and a negative predictive value (NPV) of 90.1%, with a likelihood ratio (LR) for an abnormal test of 2.4; with the longitudinal flow pattern indicator, sensitivity was 88.9%, specificity 82.4%, PPV 62.7% and NPV 95.7%, with a LR for an abnormal test of 4.9; the use of a logit model yielded a sensitivity of 72.2%, a specificity of 90.7%, a PPV of 72.2% and a NPV of 90.7%, with a LR for an abnormal test of 8.0. CONCLUSIONS: In this study the use of an individual longitudinal flow pattern indicator resulted in improving accuracy in the prediction of pre-eclampsia as compared with the traditional cross-sectional mean RI at 24 weeks. A further increase in specificity and PPV was obtained using a logit model that includes the longitudinal flow pattern indicator and the cross-sectional RI at 24 weeks. Since both the longitudinal flow pattern indicator and the logit model showed a high performance in predicting pre-eclampsia in women with risk factors for impaired placentation, they might be used to identify a high-risk population in which preventive measures and/or therapeutic options might be tested.

Adult↗
PubMed2006

Heart hypertrophy during pregnancy: a better functioning heart?

During pregnancy, healthy women develop ventricular hypertrophy and diastolic dysfunction as a result of volume overload as well as increased stretch and force demand. Pregnancy also induces electrocardiogram disturbances such as longer QT-interval dispersion. Surprisingly, it was not until recently that the underlying molecular mechanisms or the role of sex hormones was addressed in this critical female reproductive stage. Recent work with the use of mouse and rat models show that the molecular signature of pregnancy-related hypertrophy differs from that of a pathologic form in that classic gene markers (e.g., myosin heavy chains [alpha and beta], atrial natriuretic peptide, phospholamban, and sarcoplasmic reticulum Ca(2+)-ATPase) remain unchanged. However, both types of hypertrophies have the commonality of a reduced expression of the Kv4.3 channel, a membrane protein that can prevent cardiac hypertrophy when overexpressed. Increased estrogen in late pregnancy may be a mechanism to induce Kv4.3 protein downregulation and increased activity of the stretch-activated c-Src kinase. Cellular/molecular mechanisms used to make a pregnant woman's heart work more efficiently and recover to normal cardiac function postpartum are beginning to emerge as cardioprotective natriuretic peptides- and NO-cGMP cascades get upregulated postpartum. This exciting initial work calls for more research in this underexplored area that should set the basis for better treatment of women during pregnancy.

Animals↗
PubMed2005

Cumulative absolute breast cancer risk for young women treated for Hodgkin lymphoma.

BACKGROUND: Many women develop breast cancer after treatment for Hodgkin lymphoma (HL) at a young age. We estimated this future risk, taking into account age and calendar year of HL diagnosis, HL treatment information, population breast cancer incidence rates, and competing causes of death. METHODS: Relative risks of breast cancer for categories defined by radiation dose to the chest (0, 20- < 40 Gy, or > or = 40 Gy) and use of alkylating agents (yes or no) were estimated from a case-control study conducted within an international population-based cohort of 3817 female 1-year survivors of HL diagnosed at age 30 years or younger from January 1, 1965, through December 31, 1994. To compute cumulative absolute risks of breast cancer, we used modified standardized incidence ratios to relate cohort breast cancer risks to those in the general population, enabling application of population-based breast cancer rates, and we allowed for competing risks by using population-based mortality rates in female HL survivors. RESULTS: Cumulative absolute risks of breast cancer increased with age at end of follow-up, time since HL diagnosis, and radiation dose. For an HL survivor who was treated at age 25 years with a chest radiation dose of at least 40 Gy without alkylating agents, estimated cumulative absolute risks of breast cancer by age 35, 45, and 55 years were 1.4% (95% confidence interval [CI] = 0.9% to 2.1%), 11.1% (95% CI = 7.4% to 16.3%), and 29.0% (95% CI = 20.2% to 40.1%), respectively. Cumulative absolute risks were lower in women treated with alkylating agents. CONCLUSIONS: Breast cancer projections varied considerably by type of HL therapy, time since HL diagnosis, and age at end of follow-up. These estimates are applicable to HL survivors treated with regimens of the past and can be used to counsel such patients and plan management and preventive strategies. Projections should be used with caution, however, in patients treated with more recent approaches, including limited-field radiotherapy and/or ovary-sparing chemotherapy.

Adult↗
PubMed2004

Instrument development of the Self-Efficacy Scale for Abused Women.

The development of a scale to measure an abused woman's self-efficacy is described. The Self-Efficacy Scale for Abused Women (SESAW) originally was a 27-item 100-mm visual analog scale. It underwent face and content validity testing and was administered to a community sample of abused women (N = 50). The SESAW was tested for internal consistency, test-retest reliability, and construct validity. Cronbach's alphas were.95 and.96 at times 1 and 2, respectively. The bivariate correlation between the SESAW at times 1 and 2 was r =.85, p <.01. Construct validity was established by a moderate bivariate correlation with the criterion as measured by the Self-Efficacy Scale-general/global subscale (r =.64, p <.01 at time 1, and r =.78, p <.01 at time 2). The SESAW was streamlined to 19 items. The SESAW is an acceptable measure of situation-specific self-efficacy in community-based abused women.

Adult↗
PubMed2001

Implementing research findings into practice: improving and developing services for women with serious and enduring mental health problems.

This paper discusses the process that is currently being undertaken to improve and develop services for women with serious and enduring mental health problems in one specialist psychiatric service. The paper begins by highlighting the particular service needs of this group of women. The process of translating the research evidence into practice is then explored by highlighting the comprehensive preparatory work that was required, how a women's special interest group was established, the choice of a model to guide change and development, and a review of progress to date. The paper concludes by arguing that one of the means of maintaining the current momentum for change will be the celebration and acknowledgement of success.

Clinical Nursing Research↗
PubMed2004

Postpartum angiopathy with reversible posterior leukoencephalopathy.

BACKGROUND: Postpartum angiopathy (PPA) is a cerebral vasoconstriction syndrome of uncertain cause that affects large and medium-sized cerebral arteries. Postpartum angiopathy is frequently complicated by ischemic stroke. The reversible posterior leukoencephalopathy syndrome (RPLS) is a distinct clinical-radiological entity characterized by transient vasogenic edema on brain imaging. The pathophysiological features of RPLS are related to small-vessel dysfunction and breakdown of the blood-brain barrier. OBJECTIVES: To report the coexistence of PPA and RPLS in 4 patients and to discuss possible interrelationships between these 2 entities. DESIGN: Four case reports and a review of the literature. RESULTS: Four women developed a clinical-radiological syndrome overlapping PPA and eclampsia shortly after an uncomplicated pregnancy. All had acute severe ("thunderclap") headaches and hypertension. Three developed seizures. All patients had reversible angiographic narrowing of large and medium-sized cerebral arteries. Serial magnetic resonance imaging showed transient nonischemic brain lesions, resembling the lesions described in patients with RPLS. The results of extensive tests for cerebral vasculitis were negative. CONCLUSION: These cases, and the literature, suggest an interrelationship between RPLS and cerebral vasoconstriction syndromes such as PPA.

Adult↗
PubMed1997

Clodronate.

Clodronate is a second-generation bisphosphonate of intermediate potency between etidronate and aminobisphosphonates. It is an effective inhibitor of bone resorption, but unlike etidronate does not impair the mineralization of bone. Unlike pamidronate, it can be given both intravenously and orally. There is wide experience in the use of clodronate in the management of patients of hypercalcemia. The most widely used therapeutic regimen is 300 mg intravenously repeated for 5 days or a single infusion of 1500 mg. Efficacy is nearly complete in patients with myelomatosis, less complete in solid tumors with hypercalcemia but without skeletal metastases, and intermediate in patients with solid tumors in the presence of skeletal metastases. Variations in effect appear to be due to differences in renal tubular reabsorption of calcium between the three disorders. Placebo-controlled studies examining the effects of clodronate on bone pain in the absence of hypercalcemia have shown significant decreases in the severity of bone pain. These findings, coupled with the knowledge that suppression of bone resorption persists for the duration of treatment, has led to the long term use of oral doses of clodronate to decrease the incidence of complications of osteolytic bone disease. The long term control of bone resorption with oral clodronate has been demonstrated by double blind histologic studies. The ultimate arbiter of the value of clodronate is whether it decreases the skeletal morbidity associated with osteolysis. Double blind prospective controlled studies suggest that the incidence of bone pain, fracture, and hypercalcemia can be decreased significantly in patients with breast carcinoma. In addition, the use of long term clodronate in patients with myelomatosis significantly decreases the progression of osteolytic bone lesions, the risk of fractures, and the incidence of hypercalcemia. These studies have raised the possibility that bone disease might be prevented in individuals at high risk. Double blind prospective studies in women with recurrent breast carcinoma but no evidence of skeletal metastases showed a small effect of clodronate in decreasing the proportion of women developing metastatic disease. However, there was a large and significant decrease in the number of skeletal metastases associated with a decrease in skeletal morbidity. These observations suggest that clodronate may modify the natural history of the expression of skeletal disease, and thereby significantly improve the quality of life of affected patients.

Bone Diseases↗
PubMed1996

Review of occupational lung carcinogens.

Lung cancer is the most common malignancy in the United States and is ranked second only to bladder cancer in the proportion of cases thought to be due to occupational exposures. We review the epidemiology of occupational lung cancer, focusing on agents identified as pulmonary carcinogens by the International Agency for Research on Cancer. We derive estimates of overall relative risks from the major studies of these lung carcinogens, and we also provide estimates of the number of exposed workers. Using our data as well as estimates from other authors, we estimate that approximately 9,000-10,000 men and 900-1,900 women develop lung cancer annually in the United States due to past exposure to occupational carcinogens. More than half of these lung cancers are due to asbestos. This estimate is likely conservative, in that we have restricted our analysis to confirmed lung carcinogens and have ignored occupations with documented excess risk but for which the specific agents are unknown. Also, our estimate of the proportion of workers exposed in the past is probably too low. Our estimate should be viewed only as broad approximation. Nevertheless, it is in line with other estimates by authors using different methods. The current number of cases estimated to be due to occupational exposure reflects past high exposures and is likely to drop in the future, unless other occupational lung carcinogens are confirmed or new carcinogens are introduced into the workplace.

Acrylonitrile↗
PubMed1977

Breast carcinoma following radiotherapy of metastatic Wilm's tumor.

A 22-year-old women developed breast cancer 15 years after radiotherapy to the lung for metastatic Wilms tumor. Her 32-year-old mother died of bilateral breast cancer, suggesting a genetic predisposition to radiogenic cancer. Recent improvements in the survival of children with certain cancers necessitate long-term surveillance for iatrogenic neoplasia, particularly when familial susceptibility is evident.

Adult↗
PubMed1987

Female-male differences in patients with primary lung cancer.

This report is based on responses to a mailed questionnaire from 927 patients with lung cancer (730 men, 197 women), or their next of kin, and information obtained from the Saskatchewan Cancer Foundation Tumour Registry. Women were diagnosed at an earlier mean age than males (means +/- SE, 63.5 +/- 0.85 years versus 67.6 +/- 0.37 years, P less than 0.001), a finding which was consistent for each major histologic type. Women were more frequently diagnosed before age 60 years (42.0%) than were men (25.6%) (P less than 0.001). Female patients were significantly more likely to be lifetime nonsmokers of cigarettes than male patients (23% versus 3.7%, P less than 0.001). Among current smokers, women started smoking at an older age (19.3 +/- 0.69 versus 16.5 +/- 0.21 years, P less than 0.001), smoked for fewer years (41.0 +/- 1.2 years versus 47.4 +/- 0.57 years, P less than 0.001) and smoked slightly fewer cigarettes per day than male patients (23.6 +/- 1.0 versus 26.7 +/- 0.63, P less than 0.05). Similar results were found for the duration of the smoking habit and number of cigarettes smoked among exsmokers. When current smokers and exsmokers were combined, the distribution of pack years by gender was significantly different. A higher percentage than expected of women as compared to men, are clustered in the lower pack-year categories (P less than 0.0003). No occupational exposure or familial factors which might act in synergism with cigarette smoking were identified. Thus, women developed primary lung cancer at an earlier age while smoking for fewer years than men.

Age Factors↗
PubMed1990

Metaplastic carcinomas of the breast. IV. Squamous cell carcinoma of ductal origin.

The clinical and pathologic features of 22 examples of pure ductal squamous cell carcinoma (SqCC) of the breast are reported. All patients were women with a mean age of 53 years. Only two of the 19 women with axillary dissection had metastases, but one woman had a positive supraclavicular lymph node in the presence of negative axillary nodes. All metastases were squamous carcinoma. All patients were eligible for a minimum of 5 years' follow-up; the cumulative 5-year disease-specific survival rate was 63%. Eight women developed metastases and one also developed local recurrence, all within 2 years, and all eight died from tumor within 4 years of initial therapy (mean, 2 years). Prophylactic postoperative radiation therapy and radiation for lymph node metastases at initial surgery did not prolong survival as four of the five recipients died from tumor. Although there were no statistically significant gross or histologic differences between recurrent and nonrecurrent neoplasms, larger neoplasms tended to metastasize. Immunohistochemical study for S-100 protein identified an immunoreactive cell component in five of seven neoplasms tested. This and light microscopic findings suggest myoepithelial proliferation, differentiation, or origin.

Adult↗
PubMed1991

Isolated incisional metastases after intraperitoneal radioactive chromic phosphate therapy for ovarian carcinoma.

Two women developed apparently isolated recurrences of ovarian carcinoma involving prior incisions after receiving intraperitoneal radioactive chromic phosphate (P-32) adjuvant therapy for early epithelial ovarian carcinoma. Both are alive without evidence of disease at second-look laparotomy after surgical resection of the abdominal wall metastases and cisplatin-based combination chemotherapy. Mechanisms of cutaneous and incisional implantation metastases are discussed. Adjuvant therapy with intraperitoneal P-32 is unable to provide systemic therapy for occult metastatic disease. The favorable outcome in these cases probably reflects limited tumor burden at the time of recurrence and stands in stark contrast to other cases of soft tissue recurrences of ovarian carcinoma reported previously.

Abdominal Muscles↗
PubMedDate not supplied

A focus group study of DES daughters: implications for health care providers.

A focus group study of women exposed to diethylstilbestrol (DES) in utero (DES daughters) was conducted to gain understanding about exposure to this drug from a patient perspective. Focus group participants reported that learning about their DES exposure was devastating; they experienced strains in their family relationships, emotional shock, a feeling that their health concerns were not appreciated by others and, to some degree, a sense of social isolation. Although many were aware of the need for special gynecological exams and high-risk prenatal care, they were frustrated by what they felt was a lack of reliable and clear information about the effects of DES exposure. Most expressed questions and anxiety about their health. Many found their communication with physicians about their DES exposure unsatisfying. They felt that physicians lacked information about the long-term health effects of DES exposure and as a result did not give them accurate information. Furthermore, they felt that physicians were dismissive of their concerns and often gave what they felt to be false reassurances. Consequently, the women developed an enduring distrust of the medical profession. The results of the study suggest implications for the delivery of health care to DES daughters.

Abnormalities, Drug-Induced↗
PubMed1991

Reflex sympathetic dystrophy syndrome of the lower limbs in renal transplant patients treated with cyclosporin A.

In a 36-month period, 240 patients at our institution received kidney transplants from cadaver donors. Cyclosporin A (CsA) was used as the initial immunosuppressive therapy. Seven patients (5 men and 2 women) developed severe pain, periarticular soft tissue swelling with no effusion, and vasomotor changes in affected areas. Although articular mobility was conserved, most of the patients had great difficulty in walking. A patchy osteoporotic pattern was seen radiographically and increased uptake of 99mtechnetium with a periarticular distribution in the clinically affected areas were found. All of these symptoms and radiographic and scintigraphic signs are compatible with definite reflex sympathetic dystrophy syndrome (RSDS). Articular symptoms began within 3 months after kidney transplantation in all patients; all but 1 patient had plasma CsA levels greater than 200 ng/ml at that time. When the dosage of CsA was reduced, there was concomitant improvement in the RSDS, which appeared when the plasma CsA levels declined to less than 200 ng/ml. The mean duration of the clinical symptoms of RSDS was 8 months. We believe RSDS should be added to the list of complications that may appear in kidney transplant patients who receive CsA treatment.

Adult↗
PubMed2005

Breast-conserving surgery with resection of the nipple-areola complex for subareolar breast carcinoma.

INTRODUCTION: Breast-conserving therapy for centrally located tumours has in the past been viewed with reservation, but is now an accepted treatment. There is little published evidence, however, to show that it is safe and cosmetically acceptable. METHODS: In a prospective investigation carried out between 1996 and 2002, 44 women had surgery for 45 breast carcinomas with suspected nipple involvement. The breast was conserved and the nipple-areola complex removed. Secondary mastectomy was performed in three women because the tumour was found to reach the resection margin. Forty-one women underwent further observation. The mean tumour size at the time of operation was 18 (range 4-50) mm. Six women received preoperative chemotherapy. RESULTS: Histologically, there were seven preinvasive and 35 invasive cancers. No local failure had occurred at a median follow-up of 51 months. Six women developed distant metastasis, of whom five died. The mean score for cosmetic results (evaluated on a scale of 1-5 where a score of 1 was excellent) was 1.5 for patients and 1.7 for physicians. CONCLUSION: Breast-conserving therapy is a safe and cosmetically acceptable alternative to mastectomy for subareolar breast cancer.

Adult↗
PubMed2002

Dietary risk factors for upper aerodigestive tract cancers.

We examined the association between whole-grain intake and incident upper aerodigestive tract cancer in a cohort of 34,651 postmenopausal, initially cancer-free women. We also studied established risk factors for upper aerodigestive cancers, including fruit and vegetable intake, smoking and alcohol intake. A mailed questionnaire at baseline in 1986 included a food-frequency questionnaire and assessment of other cancer risk factors. During the 14-year follow-up period, 169 women developed cancer of the upper aerodigestive tract. For all upper aerodigestive cancers together, significant inverse associations were observed for the highest compared to the lowest tertile of whole grains [relative risk (RR) = 0.53, 95% confidence interval (CI) 0.34-0.81] and yellow/orange vegetables (RR = 0.58, 95% CI 0.39-0.87). In addition, those in the highest compared to lowest tertile of fiber intake from whole grain were less likely to develop upper aerodigestive tract cancer (RR = 0.56, 95% CI 0.37-0.84); fiber intake from refined grain was not significantly associated with upper aerodigestive tract cancer. Findings were generally similar for oropharyngeal (n = 53), laryngeal (n = 21), nasopharyngeal/salivary (n = 18), esophageal (n = 21) and gastric (n = 56) cancers, though numbers of cases were too small for statistical testing within individual cancers. These findings confirm previous observations that high intake of fruits and vegetables and that intake of whole grains and the fiber derived from them may reduce risk of upper aerodigestive tract cancers.

Aged↗
PubMed2004

Medication use and risk of ovarian carcinoma: a prospective study.

Inflammation and gonadotropins are hypothesized to influence ovarian carcinogenesis. In a prospective study, we evaluated ovarian cancer risk associated with self-reported use of medications that influence inflammation or gonadotropin levels. The Breast Cancer Detection Demonstration Project Follow-Up Study enrolled 61,431 women in 1979 and used telephone interviews and 3 mailed questionnaires through 1998 to update risk factor information and identify incident ovarian cancers. The 1992-95 questionnaire ascertained medication use, including duration and frequency of use for aspirin, acetaminophen, other nonsteroidal anti-inflammatory drugs (NSAIDs), tranquilizers and histamine-receptor antagonists. A Poisson regression analysis generated rate ratios (RRs) and 95% confidence intervals (CIs) for the 31,364 women who were at risk of ovarian cancer and responded to the questionnaire that queried regular medication use. One hundred sixteen women developed ovarian cancer during follow-up. None of the anti-inflammatory medications was associated with ovarian cancer, but the RR for more than 1 aspirin per day for 1 year or longer was 0.56 (95% CI 0.20-1.5) and the RR for more than 5 years of regular "other NSAID" use was 2.0 (95% CI 0.95-4.2). Regular tranquilizer use was not associated with ovarian cancer, but histamine-receptor antagonists used regularly for more than 5 years (RR = 3.6, 95% CI 1.4-9.1) or more than once daily (RR = 3.1, 95% CI 1.5-6.5) appeared to increase risk. In our study, neither anti-inflammatory medications nor anti-psychotic medications were associated with ovarian cancer. Potential associations with histamine-receptor antagonists may warrant further study.

Acetaminophen↗