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Placental inflammation and perinatal transmission of HIV-1 总被引:2,自引:0,他引:2
Mwanyumba F Gaillard P Inion I Verhofstede C Claeys P Chohan V Vansteelandt S Mandaliya K Praet M Temmerman M 《Journal of acquired immune deficiency syndromes (1999)》2002,29(3):262-269
The effect of placental membrane inflammation on mother-to-child transmission (MTCT) of HIV-1 is reported. Placentas from HIV-1-infected women were examined as part of a perinatal HIV-1 project in Mombasa, Kenya. Polymerase chain reaction analysis was used to test for HIV-1 in the infants at birth and at 6 weeks. The maternal HIV-1 seroprevalence was 13.3% (298 of 2,235). The overall rate of MTCT of HIV-1 was 25.4%; polymerase chain reaction analysis revealed that of the 201 infants 6.0% (12) were already HIV-1-positive at birth (intrauterine transmission) and 19.4% (39) were infected during the peripartum period or in early neonatal life (perinatal transmission). The prevalence of acute chorioamnionitis was 8.8%, that of deciduitis was 10.8%, and that of villitis was 1.6%. Acute chorioamnionitis was independently associated with peripartum HIV-1 transmission but not with in utero MTCT (17.9% vs. 6.7%, respectively; adjusted odds ratio, 3.9; 95% confidence interval, 1.2-12.5; p =.025). Other correlates of perinatal MTCT were presence of HIV in the genital tract and in the baby's oral cavity and a high maternal viral load in peripheral blood. The adjusted population attributable fraction of 12.8% (95% confidence interval, 1.5%-22.8%) indicated that approximately 3% of MTCT could be prevented if acute chorioamnionitis was eliminated. We suggest that further research on the role of antimicrobial treatment in the prevention of chorioamnionitis and the reduction of peripartum MTCT needs to be performed. 相似文献
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Punia RS Nanda A Bakshi A Mohan H Gupta S 《Indian journal of pathology & microbiology》2004,47(1):41-42
Diffuse lipomatosis is a rare disorder of adipose tissue occurring in young people . It has a predilection for trunk and proximal extremities where it presents as poorly circumscribed overgrowth of fatty tissue. Definite diagnosis is established by histological examination of tumor. Though it attains extensive size and has a high tendency to recur, the clinical course is benign. 相似文献
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Cornelius J Fernandez Annu Susan George Nikhila A Subrahmanyan Joseph M Pappachan 《World Journal of Methodology》2021,11(3):23-45
There exists a complex interaction between obesity, type 2 diabetes mellitus (T2DM) and cancer, and an increase in the incidence of cancer is expected with the growing obesity-diabetes pandemic. The association of cancer with diabetes mellitus and obesity appears to be site-specific, the highest risk being for post-menopausal breast cancer, endometrial cancer, and colorectal cancer. Moreover, there is worsening of hyperglycaemia with the onset of cancer, evidencing a bi-directional link between cancer and diabetes mellitus and the need for monitoring for diabetes in cancer survivors. In this review, we look at the epidemiological evidence from observational studies and Mendelian randomization studies linking obesity, diabetes, and cancer, as well as the complex pathophysiological mechanisms involved, including insulin resistance with associated hyperinsu linaemia, the effect of chronic low-grade inflammation, and the effect of various adipokines that are associated with obesity and T2DM. Additionally, we describe the novel therapeutic strategies, based on their role on the discrete pathophysio logical mechanisms involved in the tumourigenesis. 相似文献
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Akhil C. Rao K. Vijay Venkatesh Vidyashree Nandini Dhanasekaran Sihivahanan Ahmed Alamoudi Hammam Ahmed Bahammam Sarah Ahmed Bahammam Bassam Zidane Maha A. Bahammam Hitesh Chohan Nassreen H. Albar Pradeep Kumar Yadalam Shankargouda Patil 《Materials》2022,15(13)
Dental pulp treatment is the least intrusive procedure currently available for preserving the vitality of the pulp. Several studies are underway to improve the bioactivity of pulp capping materials. Tideglusib isa potent anti-inflammatory, antioxidant, and a regenerative drug developed against Alzheimer’s disease and has been shown to be effective in the treatment of dental cavities. However, its bioactive properties encapsulated within the nanoparticles as a component of pulp capping material are largely unknown. In this study, tideglusib-loaded bioactive glass nanoparticles were synthesized (tideglusib-BgNPs) and mixed at various concentrations into the calcium silicate cement to testits physiomechanical and bioactivitiescompared with biodentine (control). The calcium silicate cement with 10wgt% tideglusib-BgNPs showed comparable physiomechanical properties to that of biodentine. Additionally, the assessment of cytotoxicity and bioactivity (cell proliferation, wound healing, and cell migration assays) showed increased bioactivity in terms of better wound healing, increased proliferation, and better migration of human dental pulp stem cells than biodentine. These findings suggest new opportunities to use tideglusib-BgNPs in pulp therapy. 相似文献
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The aim of this study is to describe the idea pattern of nursing ethics in the textbook written by the Swedish nurse Estrid Rodhe (1911). The purpose is to increase understanding of the ideas in early written history of nursing ethics by using the method of history of ideas. A theoretical premise, but also a fascinating factor in this study, is that the ethics of one profession is always contextual in relation to current period. The historical context of Rodhe’s time was a time of difficult societal circumstances in Europe. Nurses’ work was demanding, but a distinctive feature was enthusiasm to develop nursing. Discussion of the moral issues of nursing was intense, and the characteristics of a good nurse consisted of being as altruistic and unselfish woman. Based on our analysis, the inner essence of Rodhe’s idea pattern consists of human love. It is reflected in her ideas of calling‐based altruism, virtuous woman as a personal reason for being a nurse and nurses’ ethical duty to implementation and subservience. Rodhe’s thinking reflects the conventions of her time. The role of personal moral characteristics of nurses was highlighted and not viewed as separable from the professional. Her textbook represented nursing knowledge of ethics written by a nurse and making her a pioneer of the early written history of nursing in general. Understanding the past helps us comprehend current issues in nursing and makes visible cultural values that form the basis for today and tomorrow. It also provides a possibility to observe the same fundamental features in spite of temporal distance. Here, the history of ideas is a beneficial and fruitful method to increase our understanding of nursing ethics. 相似文献
7.
Ed Day Rosemary Wall Gagandeep Chohan Jennifer Seddon 《Addiction Research & Theory》2015,23(3):223-230
A growing body of research evidence shows that Twelve Step Group (TSG) attendance confers a consistent moderate beneficial effect on substance use. Clinicians potentially represent a major referral pathway to TSG. This qualitative study aimed to explore staff perceptions of the barriers to Narcotics Anonymous (NA) group attendance in a population receiving drug treatment, and potential strategies to increase attendance. A cross-sectional survey of substance misuse treatment professionals was conducted between January and April 2012 in Birmingham, England. Fifty-eight members of staff working within statutory community drug treatment teams were interviewed using qualitative research methods. The overarching themes within the staff accounts are described and the importance of these themes explored. Perceived objections to core elements of the 12 step programme (religious nature of the programme, powerlessness, surrender, desire to stop using drugs) were major obstacles to recommending NA attendance. However, a perception that the client would object to any form of group process, and concerns about risk both to the client and the TSG members were also important. Increased education about TSG practices and procedures was a commonly cited strategy for increasing levels of TSG referral, and in particular ensuring that clinicians attend open meetings themselves. An increased understanding and familiarity with the process and principles of TSGs may be necessary to increase promotion of TSG within drug treatment services in line with recent national policy promoting recovery from drug use. 相似文献
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Comprehensive safety evaluation of new drugs for noncardiac indications is needed in the area of cardiovascular (CV) outcomes, particularly in populations with high CV risk such as gout. Febuxostat is a potent nonpurine selective inhibitor of xanthine oxidase approved for the treatment of gout. Long-term CV safety of febuxostat is being established in a randomized, allopurinol-controlled clinical study in patients with gout who have increased CV risk using an analytical approach that provides 90% power to meet a noninferiority margin of 1.3 for the hazard ratio (HR) (febuxostat relative to allopurinol). The primary CV end point for this trial is a composite of CV death, nonfatal myocardial infarction, nonfatal stroke, and unstable angina requiring urgent coronary revascularization. Approximately 7,500 men and women with gout and CV disease are being recruited and will be followed up for up to 5 years postrandomization. The statistical plan for the trial uses a design that evaluates the HR of febuxostat to allopurinol based on the primary CV composite end point when there are a maximum of 624 CV events. Interim analyses will be conducted when approximately 25%, 50%, and 75% of events have occurred. At each analysis, if the upper 1-sided confidence limit of the HR is <1.3, the study will be stopped, and the noninferiority of febuxostat relative to allopurinol with regard to CV risk will be declared. The CARES trial will define the CV safety profile of febuxostat and allopurinol in gout patients at high risk for CV events. 相似文献