一项比较米索前列醇和子宫吸引术治疗不完全流产的随机试验

目的：本研究旨在比较在乌干达首都坎帕拉医疗机构中使用米索前列醇和子宫吸引术治疗不完全性流产的安全性、有效性及可接受性。方法：370例妊娠早期不完全流产患者随机分配至子宫吸引术组或口服600μg米索前列醇组接受治疗。所有患者术后均给予抗生素，并随访1—2周。结果：不考虑治疗分组的不同，几乎所有口服米索前列醇或采用子宫吸引术患者均成功完全流产（96．3％vs91．5％，RR1．05。95％C10．98～1．14）。口服米索前列醇组出现副作用的概率小于子宫吸引术组（0．9％vs9．8％，RR0．1，95％C10．01-0．78）。治疗后6h，与子宫吸引术组相比，口服米索前列醇组出血量较大，但疼痛程度较低于。两种疗法的可接受性均较高，在患者中反映良好，两组的满意度分别达到94．2％和94．7％。结论：口服600μg米索前列醇和子宫吸引术均为治疗妊娠早期不完全流产安全、有效、满意的方法。根据疗法适用性及患者主观愿望综合选择，两种方案均可用于治疗不完全流产。     

Early detection of breast cancer based on gene-expression patterns in peripheral blood cells

Introduction

Existing methods to detect breast cancer in asymptomatic patients have limitations, and there is a need to develop more accurate and convenient methods. In this study, we investigated whether early detection of breast cancer is possible by analyzing gene-expression patterns in peripheral blood cells.

Methods

Using macroarrays and nearest-shrunken-centroid method, we analyzed the expression pattern of 1,368 genes in peripheral blood cells of 24 women with breast cancer and 32 women with no signs of this disease. The results were validated using a standard leave-one-out cross-validation approach.

Results

We identified a set of 37 genes that correctly predicted the diagnostic class in at least 82% of the samples. The majority of these genes had a decreased expression in samples from breast cancer patients, and predominantly encoded proteins implicated in ribosome production and translation control. In contrast, the expression of some defense-related genes was increased in samples from breast cancer patients.

Conclusion

The results show that a blood-based gene-expression test can be developed to detect breast cancer early in asymptomatic patients. Additional studies with a large sample size, from women both with and without the disease, are warranted to confirm or refute this finding.     

Efficacy,tolerability, and kinetics of lamotrigine in infants

OBJECTIVES: To investigate the efficacy, tolerability, and kinetics of lamotrigine during the first year of life. STUDY DESIGN: We studied 13 infants with intractable seizures; 7 had partial seizures and 7 had infantile spasms (1 had both). Patients received open-label lamotrigine as add-on therapy for 3 months. Seizure frequency, response ratio, and side effects score were determined and compared with the baseline period. RESULTS: The rate of partial seizures per day decreased from 8.57 +/- 2.29 to 4.00 +/- 2.15 (P =.027) and infantile spasms from 8.71 +/- 2.15 to 3.61 +/- 2.762 (P =.028). Apparent clearance increased during the first year of life, with a break point at 2 months of age (mean, 0.119 +/- 0.021, 0.217 +/- 0.094 L/h per kilogram for infants <2 months and those 2 to 12 months old, respectively,P <.001). Twenty-four-hour concentration to time plots of three 3- to 4-week-old neonates showed a half-life of 23.44 +/- 3.57 hours. Compared with a group of 17 older children, LTG had similar efficacy (response ratios, -0.68 +/- 0.12 and -0.74 +/- 0.11, P =.504), and similar adverse effects scores (0.67 +/- 0.67 and 0.23 +/- 0.166, P =.95). CONCLUSIONS: Lamotrigine is a useful and well tolerated drug for partial seizures and infantile spasms in infants <1 year of age. However, lamotrigine has age-dependent kinetics that must be taken into consideration.     

Cesarean Delivery Among Nulliparous Women in Beirut: Assessing Predictors in Nine Hospitals

ABSTRACT: Background: Obstetric practice has witnessed a worldwide trend of increasing cesarean section rates in recent years. Similar trends have been observed in Lebanon, according to 2 studies conducted in 1996 and 1999. The objective of the present study was to assess the differences in predictors of cesarean delivery among nulliparous women in a “control hospital” with a low cesarean delivery rate (12.5%) and the rest of the National Collaborative Perinatal Neonatal Network (NCPNN) “study hospitals” with a higher cesarean delivery rate (31.4%). Methods: Data were collected by the NCPNN database, which covers deliveries at 9 major hospitals located in the Greater Beirut area. Data analysis was performed on the 6,668 consecutive deliveries occurring between January 1, 2001, and December 31, 2002, at the NCPNN participating centers. The questionnaires included items that cover parental sociodemographic characteristics and maternal and newborn health characteristics. Sources of data included direct interviews with mothers after delivery and before hospital discharge and reviews of obstetric and nursery medical charts. Chi‐square tests and t tests were performed for categorical and continuous clinical predictors of cesarean section. Logistic regression was performed to determine the odds of having a cesarean section for the study hospitals when compared with the control hospital. Odds ratios and 95% confidence intervals are reported. Results: Variables in the study hospitals that correlated with a higher cesarean delivery rate were male obstetricians, day of the week, and mode of payment compared with the control hospital. Conclusions: In a country with a high cesarean section rate, 1 hospital met World Health Organization criteria for acceptable cesarean section rates, with no compromise in neonatal outcome. Further studies are needed to investigate potential policies to decrease the high cesarean section rate. (BIRTH 34:1 March 2007)     

Psychometric properties of the Arabic version of EORTC QLQ-C15-PAL among cancer patients in Jordan

Purpose

Health related quality of life (HRQOL) is an important outcome in cancer care and needs assessment by a valid questionnaire. HRQOL questionnaires need to be validated after translations to other languages and cultural settings. The purpose of this study is to evaluate the psychometric properties of the Arabic version of the European Organization for Research and Treatment of Cancer Quality of Life 15 items Questionnaire for Palliative Care (EORTC QLQ-C15-PAL).

Methods

This is a cross-sectional study of a convenient sample of inpatients with cancer.

Results

One hundred seventy-five patients completed the EORTC QLQ-C15-PAL questionnaire. Cronbach’s alpha coefficient met the 0.7 alpha criterion. Confirmatory factor analysis met the goodness of fit criteria; goodness-of-fit index (GFI), comparative fit index (CFI), normed fit index (NFI) and non-normed fit index (NNFI) >0.90 and root mean square error of approximation (RMSEA) <0.06. All item-scale correlation coefficients exceeded the set value of 0.40, indicating satisfactory convergent validity. In terms of discriminant validity, all items in the questionnaire showed a higher item-scale correlation than item-other scale correlation, except for items 1 and 2 (physical function scale) that showed a higher correlation with fatigue. Construct validity was tested by item inter scale correlation coefficient. All constructs had correlation coefficient <0.70. External validity was tested by comparison of scores of patients who had metastasis and who did not have metastasis. Significant differences (P value <0.05) were found in all scales except for nausea. Age groups were compared and showed significant differences for physical function, fatigue, and global score of HRQOL.

Conclusion

The Arabic version of the EORTC QLQ-C15-PAL is valid and reliable.

     

Reproductive and Pregnancy Experiences of Diverse Sexual Minority Women: A Descriptive Exploratory Study

Objectives This study sought to explore how sexual minority women (SMW) and heterosexual women compare in terms of reproductive history, with a particular focus on examining within-group differences among SMW. Methods Women were predominantly recruited through consecutive sampling during presentation for prenatal care in Toronto Canada, and Massachusetts, USA. In total, 96 partnered pregnant women (62 SMW, 34 heterosexual) completed an internet survey during 2013-2015. Results We found few significant differences in reproductive history outcomes when comparing SMW and heterosexual groups. However, when we compared male-partnered SMW to female-partnered SMW, we found potentially important differences in rates of miscarriage and pregnancy complications, indicating that partner gender may be an important contributor to differences in reproductive history among SMW. Conclusions for Practice These findings highlight the need to recognize the unique health risks with which male-partnered SMW may present. Considering that this group is often invisible in clinical practice, the findings from this exploratory study have important implications for providers who treat women during the transition to parenthood. Future research should further examine the differences in social and health access within larger samples of SMW groups, as well as seek to understand the complex relationships between sexual identity and perinatal health for this understudied group of women.

     

Reduction of cerebrospinal fluid rhinorrhea after vestibular schwannoma surgery by reconstruction of the drilled porus acusticus with hydroxyapatite bone cement

OBJECT: Cerebrospinal fluid (CSF) rhinorrhea remains a significant cause of morbidity after resection of vestibular schwannomas (VSs), with rates of rhinorrhea after this procedure reported to range between 0 and 27%. The authors investigated whether reconstruction of the drilled posterior wall of the porus acusticus with hydroxyapatite cement (HAC) would decrease the incidence of postoperative CSF rhinorrhea. METHODS: A prospective observational study of 130 consecutive patients who underwent surgery for reconstruction of the posterior wall of the drilled porus acusticus with HAC was conducted between October 2002 and September 2005. All patients underwent a retrosigmoid transmeatal approach for VS resection and were followed up to document cases of CSF rhinorrhea, incisional CSF leak, meningitis, or rhinorrhea-associated meningitis. A cohort of 150 patients with VSs who were treated with the same surgical approach but without HAC reconstruction served as a control group. RESULTS: The authors found that HAC reconstruction of the porus acusticus wall significantly reduced the rate of postoperative CSF rhinorrhea in their patients. In the patients treated with HAC, rhinorrhea developed in only three patients (2.3%) compared with 18 patients (12%) in the control group. This was a statistically significant finding (p = 0.002, odds ratio = 5.8). CONCLUSIONS: The use of HAC in the reconstruction of the drilled posterior wall of the porus acusticus, occluding exposed air cells, greatly reduces the risk of CSF rhinorrhea.