Non-pathological bilious vomiting complicating therapeutic hypothermia for hypoxic ischaemic encephalopathy in neonates: a retrospective cohort study
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Therapeutic hypothermia (TH) for moderate-to-severe neonatal hypoxic ischaemic encephalopathy (HIE) is generally described as safe. We performed this study to determine the incidence of bilious vomiting or bilious drainage (BVD) attributable to TH in this population.Vitamin D deficiency is less common among HIV-infected African–American men than in a matched cohort
The aim of this study was to compare the prevalence of vitamin D sufficiency and deficiency in a HIV-infected cohort of African-American men with that of a general population. We found median vitamin D concentrations were significantly greater in the HIV-infected cohort, 18 ng/ml as compared to the National Health and Nutrition Examination Survey cohort, 14 ng/ml (P ≤ 0.0001). Thus, factors other than measured vitamin D are likely to be responsible for higher rates of bone disease in this population.
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Summary It is given an account of a case of recurrent vomiting in a girl of 8 years. She have had her symptoms from the age of 2 years with frequent attacks of vomiting lasting several days, Her symptoms resembled closely the findings in cases of acetonemic vomiting except that the degree of acetonemia was very low and came on after the vomiting had begun. During the attacks there was a complete retention in the stomach, but when the vomitings had ceased the roentgenological findings where normal. Electroence phalography showed an electrical cerbral dysrhythmia and the condition of the patient was explained as beeing a visceral epileptic equivalent. As the recurrent vomiting of the patient showed close relationship to acetonemic vomiting it is argued that one ought to make an electroencephalography in similar cases.
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Objectives
To investigate deaths recorded as lung cancer or COPD (as distinct from other non-malignant respiratory disease), in a cohort occupationally exposed to silica.Methods
Vital status and cause of death were ascertained for a cohort of 5115 pottery workers previously followed to 1992. SMRs were calculated for underlying cause of death 1985–2008 compared to reference data from Stoke on Trent. Analysis of ‘mentioned’ cause of death was restricted to 1993–2008. Information on duration of employment and smoking was available for the whole cohort but exposure data were restricted to those included in an earlier validation cohort and those who were still employed in 1981 or later.Results
Of 5115 in the original cohort, 27 were duplicates, 29 were not traced and 258 had died before 1985, leaving 4801, with 1904 deaths. Deaths from lung cancer (N=243) were raised SMR=1.15 (1.01–1.30) as were deaths from COPD (N=158) both as an underlying (SMR=1.46 (1.24–1.71)) and as a ‘mentioned’ (SMR=1.31 (1.14–1.50)) cause. In a survival analysis duration of exposure was not related to deaths recorded as lung cancer or COPD for the cohort as a whole. In those (N=1943) with exposure data, early deaths (before July 1992) from either lung cancer or COPD were related to mean exposure in smokers but this relation was not seen in those dying from these causes in more recent years.Conclusions
Silica exposure appears to have contributed to early, but not recent, deaths although an excess of COPD deaths continues to be recorded.Cite
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Introduction: Vitamin D deficiency has been documented across all age groups and both sexes from India. However, there is paucity of data on vitamin D deficiency in a particular cohort of population. Objectives: To assess the vitamin D status in a cohort of physicians and diabetologists in Kolkata. Material and Methods: An observational cross sectional study carried out in the month of December 2011 in a cohort of 40 physicians and diabetologists in Kolkata. Results: A total of 40 subjects were studied. Mean age of the cohort was 52.22 ± 10.91. Mean serum vitamin D level was 13.02 ± 4.77 ng/ml. Nearly 92.5% and 5.0% of subjects had vitamin D deficiency and insufficiency, respectively. Conclusions: Vitamin D deficiency is highly prevalent in physicians and diabetologists in Kolkata.
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The E3N (Etude Epidémiologique auprès de femmes de la Mutuelle Générale de l'Education Nationale) cohort was initiated in 1990 to investigate therisk factors associated with cancer and other major non-communicable diseases in women. The participants were insured through a national health system that primarily covered teachers, and were enrolled from 1990 after returning baseline self-administered questionnaires and providing informed consent. The cohort comprised nearly 100,000 women with baseline ages ranging from 40 to 65 years. Follow-up questionnaires were sent approximately every 2-3 years after the baseline and addressed general and lifestyle characteristics together with medical events (cancer, cardiovascular diseases, diabetes, depression, fractures and asthma, among others). The follow-up questionnaire response rate remained stable at approximately 80%. A biological material bank was generated and included blood samples collected from 25,000 women and saliva samples from an additional 47,000 women. Ageing among the E3N cohort provided the opportunity to investigate factors related to age-related diseases and conditions as well as disease survival. The new E4N complementary cohort (Epidemiology 4 kNowledge), which comprises the children and grandchildren of the E3N cohort as well as the children's fathers, will allow researchers to investigate key life periods during which exposures to environmental factors most strongly influence the later disease risk. The E3N and E4N cohort data will be used to investigate diseases and risk factors through a transgenerational approach. Requests for collaborations are welcome, particularly those in conjunction with rare diseases.
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ABSTRACT Purpose The Mother and Child Covid-19 study is a cohort recruiting pregnant women and their children in Cantabria, North of Spain, during COVID-19 pandemic in order to ascertain Consequences of SARS-CoV-2 infection on pregnant women and their descendants. This article reports the cohort profile and preliminary results as recruitment is still open. Participants Three sub-cohorts can be identified at recruitment. Sub-cohort 1 includes women giving birth between 23 rd March and 25 th May 2020; they have been retrospectively recruited and could have been exposed to COVID-19 only in their third trimester of pregnancy. Sub-cohort 2 includes women giving birth from 26 th May 2020 on; they are being prospectively recruited and could have been exposed to COVID-19 in both their second and third trimesters of pregnancy. Sub-cohort 3 includes women in their 12 th week of pregnancy prospectively recruited from 26 th May 2020 on; they could have been exposed to COVID-19 anytime in their pregnancy. All women are being tested for SARS-CoV-2 infection using both RT-PCR for RNA detection and ELISA for anti-SARS-CoV-2 antibodies. All neonates are being tested for antibodies using immunochemoluminiscency tests; if the mother is tested positive for SARS-CoV-2 RNA, a naso-pharyngeal swab is also obtained from the child for RT-PCR analysis. Findings to date As of 22 nd October, 1167 women have been recruited (266, 354 and 547 for sub-cohorts 1, 2 and 3, respectively). Fourteen women tested positive to SARS-CoV-2 RNA by the day of delivery. All fourteen children born from these women tested negative for SARS-CoV-2 RNA. Future plans Children from women included in sub-cohort 3 are expected to be recruited by the end of 2020. Children will be followed-up for one year in order to ascertain the effect that COVID-19 on their development. ARTICLE SUMMARY Strengths and limitations Strengths This cohort would ascertain the effect of COVID-19 in both mother and children whatever the trimester of the infection. It would also compare health care provided to pregnant women during the COVID-19 pandemic with that provided in the same hospital before the emergence of COVID-19. The cohort is recruited in Spain, one of the developed countries earlier and more affected by COVID-19. Limitations The study could be underpowered according to the prevalence reported in a Spanish national study. Information regarding exposure to people infected by SARS-CoV-2 or risk activities is self-reported.
Pandemic
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Cohort Profile : The Epidemiology of Chronic Diseases and Multimorbidity. The EpiChron Cohort Study
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In this manuscript, we update the profile of the 1982 Pelotas Birth Cohort Study.In 1982, 5914 live births whose families lived in the urban are of Pelotas were enrolled in the cohort. In 2012-13, we tried to locate the whole original cohort; 3701 participants were interviewed who, added to the 325 known deaths, represented a follow-up rate of 68.1%. In contrast to the previous home interviews, in this wave all participants were invited to visit the research clinic to be interviewed and examined. The visit was carried out at a mean age of 30.2 years and mainly focused on four categories of outcomes: (i) mental health; (ii) body composition; (iii) precursors of complex chronic diseases; and (iv) human capital. Requests for collaboration by outside researchers are welcome.
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Longitudinal Study
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