Trends of psychiatric co-morbidities amongst patients with hypertrophic cardiomyopathy: A large observational cohort study spanning 14 years
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Background: The globally reported links between physical and psychiatric conditions has increased significantly in the last few years and this also rings true in the field of cardiology where the reported links between cardiovascular disease and psychiatric conditions have shown that one in four psychiatric patients' suffers from a cardiovascular co-morbidity.
Objectives: In light of this we investigated the prevalence of psychiatric co-morbidities and tendencies in patients with HCM over a 14 year period.
Methods: We compiled an anonymous database of all adult patients diagnosed with HCM across 7 hospitals in the north of England over a 14 year period (n = 248). We analysed the data for prevalence of psychiatric co-morbidities such as; anxiety disorder, schizophrenia, bipolar disease and depression and substance abuse. We traced our patients with the ACALM study protocol, which uses ICD-10 and OPCS-4 codes to allocate patients for statistical analysis using SPSS V. 20.0.
Results: Out of 248 patients with HCM, 8.87% had a psychiatric co-morbidity. We found that in our cohort 4.03% of patients had depression and 1.61% patients suffered from either from a phobic disorder or schizophrenia. In addition to this, in 9.68% of cases in our cohort we found that patients suffered from some form of substance misuse with 2.02% abusing alcohol and a further 7.26% whom smoke tobacco.
Conclusions: Ca. 1 in 10 patients (8.87%) with HCM suffer from a psychiatric co-morbidity and ca. 1 in 10 (9.68%) patients with HCM suffer from substance abuse. All patients withHCMshould be approached holistically with a psychiatric assessment which includes social history.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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OBJECTIVES: To examine the cancer risk of shoe manufacturing workers and evaluate whether the risk was associated with exposure to leather dust and solvents. METHODS: Data from two historical cohort studies of shoe workers were expanded and analysed in parallel. A total of 4215 shoemakers from England contributing 103 726 person-years at risk and 2008 shoemakers from Florence, Italy, contributing 54,395 person-years at risk were included in the analysis. Exposure to leather dusts and solvents from glues was evaluated on the basis of job title information. Standardised mortality ratios (SMR) were calculated as ratios of observed deaths (Obs) over expected derived from national mortalities. RESULTS: Overall mortality was lower than expected in both cohorts (English cohort: Obs 3314, SMR 81, 95% confidence interval (95% CI) 78-84; Florence cohort: Obs 333, SMR 87, 95% CI 78-97). An increased risk of nasal cancer was found (English cohort: Obs 12, SMR 741; Florence cohort: Obs 1, SMR 909). 10 of the 13 cases occurred among English workers employed in the manufacture of welted boots (SMR 926, 95% CI 444-1703), a sector of the industry thought to have had the highest exposure to leather dust. Mortality from leukaemia was not increased in the English cohort (Obs 16, SMR 89), but was increased in the Florence cohort (Obs 8, SMR 214, 95% CI 92-421); and the highest risk was found among shoe workers in Florence who were first exposed between 1950 and 1959 when exposure to benzene was substantial (Obs 3, SMR 536, 95% CI 111-1566). Some evidence for an excess risk of stomach, bladder, and kidney cancer, as well as multiple myeloma and non-Hodgkin's lymphoma was also found in the Florence cohort only among workers employed in jobs with the highest exposure to solvents. CONCLUSIONS: These findings confirm the associations between exposure to leather dust and nasal cancer and between exposure to benzene and leukaemia in the shoe manufacturing industry and suggest that the risk of other cancers may be increased among workers exposed to solvents or glues.
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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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BackgroundThe cross-sectional HIV care continuum is widely used to assess the success of HIV care programmes among populations of people with HIV and the potential for ongoing transmission. We aimed to investigate whether a longitudinal continuum, which incorporates loss to follow-up and mortality, might provide further insights about the performance of care programmes.MethodsIn this longitudinal cohort study, we included individuals who entered the UK Collaborative HIV Cohort (CHIC) study between Jan 1, 2000, and Dec 31, 2004, and were linked to the national HIV cohort database (HIV and AIDS Reporting System). For each month during a 10 year follow up period, we classified individuals into one of ten distinct categories according to engagement in care, antiretroviral therapy (ART) use, viral suppression, loss to cohort follow-up and loss to care, and mortality, and assessed the proportion of person-months of follow-up spent in each stage of the continuum. 5 year longitudinal continuums were also constructed for three separate cohorts (baseline years of entry 2000–03, 2004–07, and 2008–09) to compare changes over time.FindingsWe included 12 811 people contributing 1 537 320 person-months in our analysis. During 10 years of follow-up, individuals spent 811 057 (52·8%) of 1 537 320 person-months on ART. Of the 811 057 person-months spent on ART, individuals had a viral load of 200 copies per mL or less for 607 185 (74·9%) person-months. 10 years after cohort entry, 3612 (28·1%) of 12 811 individuals were lost to follow-up, 954 (26·4%) of whom had transferred to a non-CHIC UK clinic for care. By 10 years, 759 (5·9%) of 12 811 participants who entered the cohort had died. Loss to follow-up decreased and the proportion of person-months that individuals spent virally suppressed increased over calendar time.InterpretationLoss to follow-up in HIV care programmes was high and rates of viral suppression were lower than previously reported. Complementary information provided by a longitudinal continuum might highlight areas for intervention along the HIV care pathway, however, transfers outside the cohort must be accounted for.FundingMedical Research Council, UK.
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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.
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Journal Article Potential impact of observational cohort studies in Japan on rheumatoid arthritis research and practice Get access Hisashi Yamanaka, Hisashi Yamanaka Institute of Rheumatology, Tokyo Women's Medical University, 10-22 Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan Correspondence to: Hisashi Yamanaka, Institute of Rheumatology, Tokyo Women's Medical University, 10-22 Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan Tel. +81-3-5269-1725; Fax +81-3-5269-1726 e-mail: yamanaka@ior.twmu.ac.jp Search for other works by this author on: Oxford Academic Google Scholar Shigeto Tohma Shigeto Tohma Clinical Research Center for Allergy and Rheumatology, National Hospital Organization, Sagamihara National Hospital, Sagamihara, Japan Search for other works by this author on: Oxford Academic Google Scholar Modern Rheumatology, Volume 16, Issue 2, 1 April 2006, Pages 75–76, https://doi.org/10.3109/s10165-006-0464-8 Published: 01 April 2006 Article history Received: 24 January 2006 Accepted: 20 February 2006 Published: 01 April 2006
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For better management of rheumatoid arthritis (RA) patients, we need information both from well-designed clinical trials, such as randomized controlled trials, and from observational cohorts. Observational cohort study has not been developed in Japanese RA patients; however, two cohorts, IORRA (formerly J-ARAMIS) from 2000 and NinJa by iR-net from 2002, have been established. These two cohorts are an important source not only for better management of Japanese RA patients but also for solutions to a variety of issues concerning RA clinical practice in general. In this minireview, necessities of observational cohort studies are discussed.
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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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Observational cohort studies in early RA are a key source of evidence, despite inconsistencies in methodological approaches. This narrative review assesses the spectrum of methodologies used in addressing centre-level effect and case-mix adjustment in early RA observational cohort studies.An electronic search was undertaken to identify observational prospective cohorts of >100 patients recruited from two or more centres, within 2 years of an RA or early inflammatory arthritis diagnosis. References and author publication lists of all studies from eligible cohorts were assessed for additional cohorts.Thirty-four unique cohorts were identified from 204 studies. Seven percent of studies considered centre in their analyses, most commonly as a fixed effect in regression modelling. Reporting of case-mix variables in analyses varied widely. The number of variables considered in case-mix adjustment was higher following publication of the STrengthening the Reporting of OBservational studies in Epidemiology (STROBE) statement in 2007.Centre effect is unreported or inadequately accounted for in the majority of RA observational cohorts, potentially leading to spurious inferences and obstructing comparisons between studies. Inadequate case-mix adjustment precludes meaningful comparisons between centres. Appropriate methodology to account for centre and case-mix adjustment should be considered at the outset of analyses.
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