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Differential impact of COVID-19 on mental health and burnout. Occup Med (Lond) 2024; 74:45-52. [PMID: 37040624 PMCID: PMC10875923 DOI: 10.1093/occmed/kqad011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/13/2023] Open
Abstract
BACKGROUND There may be differential impact of the COVID-19 pandemic on mental health and burnout rates of healthcare professionals (HCPs) performing different roles. AIMS To examine mental health and burnout rates, and possible drivers for any disparities between professional roles. METHODS In this cohort study, online surveys were distributed to HCPs in July-September 2020 (baseline) and re-sent 4 months later (follow-up; December 2020) assessing for probable major depressive disorder (MDD), generalized anxiety disorder (GAD), insomnia, mental well-being and burnout (emotional exhaustion and depersonalization). Separate logistic regression models (at both phases) compared the risk of outcomes between roles: healthcare assistants (HCAs), nurses and midwives (nurses), allied health professionals (AHPs) and doctors (reference group). Separate linear regression models were also developed relating the change in scores to professional role. RESULTS At baseline (n = 1537), nurses had a 1.9-fold and 2.5-fold increased risk of MDD and insomnia, respectively. AHPs had a 1.7-fold and 1.4-fold increased risk of MDD and emotional exhaustion, respectively. At follow-up (n = 736), the disproportionate risk between doctors and others worsened: nurses and HCAs were at 3.7-fold and 3.6-fold increased risk of insomnia, respectively. Nurses also had a significantly increased risk of MDD, GAD, poor mental well-being and burnout. Nurses also had significantly worsened anxiety, mental well-being and burnout scores over time, relative to doctors. CONCLUSIONS Nurses and AHPs had excess risk of adverse mental health and burnout during the pandemic, and this difference worsened over time (in nurses especially). Our findings support adoption of targeted strategies accounting for different HCP roles.
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THE ROLE OF EXERCISE IN PREVENTING CHRONIC DISEASES: CURRENT EVIDENCE AND RECOMMENDATIONS. GEORGIAN MEDICAL NEWS 2023:137-142. [PMID: 37522789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 08/01/2023]
Abstract
Regular exercise helps to enhance health outcomes and lower risk factors, making it a crucial element in the prevention of chronic diseases. By being physically active, people can improve their general health and delay the onset of a number of chronic illnesses. For understanding the relationship between increased physical activity or decreased physical inactivity and favorable health outcomes, observational studies are the main source of information. We will look for systematic analyses of randomized controlled trials with a main emphasis on outcomes linked to diseases in the Cochrane Database of systematic studies. Evaluation will be limited to those in a few key chronic conditions. Preventing chronic illness and achieving better results in the management or treatment of chronic illness are the main outcomes of interest. For each chronic condition (such as the control of glucose in diabetes or any change in hypertension blood pressure), these results will be summarized and displayed. The design and implementation of chronic conditions, physical exercise illness conditions, and adverse physical activity-related events are of secondary interest. Our findings should help decision-makers, guideline organizations, and academics identify the most effective physical activity programs for major chronic disease management and prevention. Exercise and physical activity (PA) offers a non-invasive approach to the management of chronic disorders. More physiological, biochemical, and molecular data on the positive effects of PA and exercise on health should constitute a primary focus of future studies.
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Effect of laser bleaching, ultrasonic scaling and powered tooth brushing on surface roughness and bacterial adherence of class V composite restorations. J Oral Biol Craniofac Res 2023; 13:429-435. [PMID: 37274090 PMCID: PMC10233206 DOI: 10.1016/j.jobcr.2023.03.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/24/2023] [Accepted: 03/25/2023] [Indexed: 06/06/2023] Open
Abstract
Objective To evaluate and compare the effect of diode laser assisted bleaching, ultrasonic scaling and powered tooth brushing on surface roughness and bacterial adherence on class V cavities restored with composites. Materials and methods A total of one hundred and twenty samples (40 samples each of Brilliant Everglow, Beautifil II and Heytec-N) were prepared in standardized stainless steel molds. The samples were further subdivided into four subgroups i.e. one control group (without any intervention) and three experimental groups - diode laser assisted bleaching, ultrasonic scaling and powered tooth brushing consisting of 10 sample each. Surface roughness was measured quantitatively with the help of 3D Optical Profilometer. For bacterial adherence analysis S. mutans strain (ATCC 25175) was cultured in BHI medium and samples were evaluated for the presence of viable bacteria using the Colony Forming Unit (CFU) count. Results obtained were then tabulated and subjected to statistical analysis. Results Diode laser bleaching caused a significant increase in surface roughness and bacterial adherence with lowest mean change exhibited by Heytec-N followed by Beautifil II and highest by Brilliant Everglow group. Similarly, Ultrasonic scaling increased the surface roughness of all the three tested samples with significant difference between the groups. Powered tooth brushing had no effect on the surface roughness and bacterial adherence of the tested composites. Conclusion Diode assisted laser bleaching and ultrasonic caused significantly higher surface roughness and bacterial adherence values for all the tested composites. It may therefore be recommended to do finishing and polishing of restorations after such procedures.
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Lateral diffusion of lipids in the DMPG membrane across the anomalous melting regime: effects of NaCl. SOFT MATTER 2022; 19:57-68. [PMID: 36458871 DOI: 10.1039/d2sm01425d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The anionic dimyristoyl phosphatidylglycerol (DMPG) membrane in solvents with a low ionic strength is known to exhibit an unusually wide melting regime between the gel and fluid phase characterized by various anomalous macroscopic characteristics, such as low turbidity and high electrical conductivity and viscosity. A recent neutron spin echo study [Kelley, E. G. et al., Struct. Dyn., 7 (2020) 054704] revealed that during the extended melting phase transition the DMPG membrane becomes softer and exhibits faster collective bending fluctuation compared to the higher temperature fluid phase. In contrast, in the present work, using incoherent quasielastic neutron scattering through the anomalous phase transition regime we find that single-particle lateral and internal lipid motions in the DMPG membrane show regular temperature dependence, with no enhanced dynamics evident in the anomalous melting regime. Further, we find that incorporation of NaCl in DMPG suppresses the anomalous extended melting regime, concurrently enhancing the single-particle lipid dynamics, both the lateral diffusivity and (to a lesser extent) the internal lipid motion. This seems rather counterintuitive and in variance with the dynamic suppression effect exerted by a salt on a zwitterionic membrane. However, since incorporation of a salt in anionic DMPG leads to enhanced cooperativity, the disrupted cooperativity in the salt-free DMPG is associated with the baseline lipid dynamics that is suppressed to begin with, whereas addition of salt partially restores the cooperativity, thus enhancing lipid dynamics compared to the salt-free baseline DMPG membrane state. These results provide new insights into the ion-membrane interaction and divulge a correlation between microscopic dynamics and the structure of the lipid bilayer.
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The Contribution of Transpiration to Precipitation Over African Watersheds. WATER RESOURCES RESEARCH 2022; 58:e2021WR031721. [PMID: 36582769 PMCID: PMC9786354 DOI: 10.1029/2021wr031721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 09/09/2022] [Accepted: 10/09/2022] [Indexed: 06/17/2023]
Abstract
The redistribution of biological (transpiration) and non-biological (interception loss, soil evaporation) fluxes of terrestrial evaporation via atmospheric circulation and precipitation is an important Earth system process. In vegetated ecosystems, transpiration dominates terrestrial evaporation and is thought to be crucial for regional moisture recycling and ecosystem functioning. However, the spatial and temporal variability in the dependency of precipitation on transpiration remains understudied, particularly in sparsely sampled regions like Africa. Here, we investigate how biological and non-biological sources of evaporation in Africa contribute to rainfall over the major watersheds in the continent. Our study is based on simulated atmospheric moisture trajectories derived from the Lagrangian model FLEXPART, driven by 1° resolution reanalysis data over 1981-2016. Using daily satellite-based fractions of transpiration over terrestrial evaporation, we isolate the contribution of vegetation to monthly rainfall. Furthermore, we highlight two watersheds (Congo and Senegal) for which we explore intra- and interannual variability of different precipitation sources, and where we find contrasting patterns of vegetation-sourced precipitation within and between years. Overall, our results show that almost 50% of the annual rainfall in Africa originates from transpiration, although the variability between watersheds is large (5%-68%). We conclude that, considering the current and projected patterns of land use change in Africa, a better understanding of the implications for continental-scale water availability is needed.
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Thyrotoxicosis Due to Acute Suppurative Thyroiditis in a Pediatric Patient: A Case Report. J Investig Med High Impact Case Rep 2022; 10:23247096221127841. [PMID: 36245235 PMCID: PMC9575437 DOI: 10.1177/23247096221127841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Acute suppurative thyroiditis is a rare and potentially life-threatening cause of thyroid inflammation requiring prompt recognition and management. There are few reported cases of thyrotoxicosis due to acute suppurative thyroiditis. We are reporting the case of a 9-year-old boy who presented to the emergency room with fevers, neck pain and swelling, night terrors, and emotional lability. He was hemodynamically stable with initial lab work remarkable for neutrophilia without leukocytosis, elevated inflammatory markers, and hyperthyroidism. Imaging of the neck revealed a heterogenous collection in the region of the left thyroid concerning for suppurative thyroiditis and adenitis. He was admitted to the hospital and initiated on intravenous antibiotics. Given lack of significant improvement in pain, he was taken to the operating room for drainage on hospital day 4 with remarkable clinical improvement in pain. He was discharged on oral antibiotics. Lab work obtained on postoperative day 15 showed resolution of hyperthyroidism and decreasing inflammatory markers. Subsequent imaging following resolution of the acute illness did not reveal any anatomic abnormality that may have predisposed him to developing acute suppurative thyroiditis. Thyrotoxicosis as a complication of acute suppurative thyroiditis is a rare occurrence, and is thought to be due to the release of preformed thyroid hormone from damaged thyroid follicles. The thyrotoxic state is often transient and resolves with appropriate management of acute suppurative thyroiditis. This complication is important to recognize, as failure to appropriately diagnose and treat acute suppurative thyroiditis can lead to poor outcomes, such as airway compromise and death.
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Alternating exosomes and their mimetics as an emergent strategy for targeted cancer therapy. Front Mol Biosci 2022; 9:939050. [PMID: 36032679 PMCID: PMC9399404 DOI: 10.3389/fmolb.2022.939050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 07/15/2022] [Indexed: 11/18/2022] Open
Abstract
Exosomes, a subtype of the class of extracellular vesicles and nano-sized particles, have a specific membrane structure that makes them an alternative proposition to combat with cancer through slight modification. As constituents of all most all the primary body fluids, exosomes establish the status of intercellular communication. Exosomes have specific proteins/mRNAs and miRNAs which serve as biomarkers, imparting a prognostic tool in clinical and disease pathologies. They have efficient intrinsic targeting potential and efficacy. Engineered exosomes are employed to deliver therapeutic cargos to the targeted tumor cell or the recipient. Exosomes from cancer cells bring about changes in fibroblast via TGFβ/Smad pathway, augmenting the tumor growth. These extracellular vesicles are multidimensional in terms of the functions that they perform. We herein discuss the uptake and biogenesis of exosomes, their role in various facets of cancer studies, cell-to-cell communication and modification for therapeutic and diagnostic use.
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Dysglycemia screening with oral glucose tolerance test in adolescents with polycystic ovary syndrome and relationship with obesity. BMC Endocr Disord 2022; 22:180. [PMID: 35842601 PMCID: PMC9288674 DOI: 10.1186/s12902-022-01098-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 07/08/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Adolescents with polycystic ovary syndrome (PCOS) are at increased risk of impaired glucose tolerance (IGT) and type 2 diabetes mellitus. The aim of this study is to evaluate dysglycemia and biochemical differences based on BMI status and assess the prognostic ability of elevated hemoglobin A1c (HbA1c) in predicting an abnormal 2 hour oral glucose tolerance test (OGTT). METHODS Retrospective cohort of female patients aged 11-18 years who underwent 75-g OGTT and were evaluated for PCOS at an urban tertiary care hospital between January 2002 to December 2017. RESULTS In 106 adolescents with PCOS who had OGTT results available, IGT was markedly pronounced in the ≥95th percentile BMI group (17 out of 72; 23.6%) compared with <95th percentile BMI group (4 out of 34; 11.7%). One patient with obesity met the criteria for type 2 diabetes. Patients with obesity had significantly higher homeostasis model assessment (HOMA-IR) and lower whole body insulin sensitivity index (WBISI) (p < 0.001) compared to patients without obesity. Free testosterone levels were also higher in patients with obesity (p< 0.03) and were significantly associated with HOMA-IR when controlling for body mass index (BMI). HbA1c did not demonstrate a strong ability to predict abnormal OGTT on receiver operating characteristic (ROC) curve analysis [Area under the curve (AUC) = 0.572, 95% CI: 0.428, 0.939]). CONCLUSIONS In a study to assess glucose abnormalities in adolescents with PCOS, IGT was found to be markedly increased in patients with obesity, with abnormal glucose metabolism identified in over one-fifth of the patients. HbA1c alone may be a poor test to assess IGT and we recommend that adolescents diagnosed with PCOS and obesity undergo formal oral glucose tolerance testing.
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Emerging trends from COVID-19 research registered in the Clinical Trials Registry - India. Indian J Med Res 2021; 153:26-63. [PMID: 33818466 PMCID: PMC8184082 DOI: 10.4103/ijmr.ijmr_2556_20] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Since the beginning of the year, the deadly coronavirus pandemic, better known as coronavirus disease 2019 (COVID-19), brought the entire world to an unprecedented halt. In tandem with the global scenario, researchers in India are actively engaged in the conduct of clinical research to counter the pandemic. This review attempts to provide a comprehensive overview of the COVID-19 research in India including design aspects, through the clinical trials registered in the Clinical Trials Registry - India (CTRI) till June 5, 2020. One hundred and twenty two registered trials on COVID-19 were extracted from the CTRI database. These trials were categorized into modern medicine (n=42), traditional medicine (n=67) and miscellaneous (n=13). Of the 42 modern medicine trials, 28 were on repurposed drugs, used singly (n=24) or in combination (n=4). Of these 28 trials, 23 were to evaluate their therapeutic efficacy in different severities of the disease. There were nine registered trials on cell- and plasma-based therapies, two phytopharmaceutical trials and three vaccine trials. The traditional medicine trials category majorly comprised Ayurveda (n=45), followed by homeopathy (n=14) and others (n=8) from Yoga, Siddha and Unani. Among the traditional medicine category, 31 trials were prophylactic and 36 were therapeutic, mostly conducted on asymptomatic or mild-to-moderate COVID-19 patients. This review would showcase the research being conducted on COVID-19 in the country and highlight the research gaps to steer further studies.
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Effect of Mo and space holder content on microstructure, mechanical and corrosion properties in Ti6AlxMo based alloy for bone implant. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 123:111962. [PMID: 33812590 DOI: 10.1016/j.msec.2021.111962] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 01/21/2021] [Accepted: 02/07/2021] [Indexed: 01/24/2023]
Abstract
The porous alloys of Ti6Al(3-15)Mo were developed to replace the fractured bone; the alloy consists of 6 wt% of Al which was taken as α the phase stabilizer and (3-15) wt% Mo with an increment of 3 wt% was taken as β phase stabilizer. The porosity of these fabricated porous alloys was controlled by adjusting volume% of the ammonium bicarbonate (SH). These porous samples were characterized in terms of their microstructure, compressive strength, elastic modulus, energy absorption, ion release and corrosion rate in simulated body fluid (SBF) and these properties are compared with the existing alloys and human bone. The fabricated porous samples were characterized, and the obtained results were analysed as a function of Mo concentration and the volume% of space holder content. Three phases were found in the microstructure: α, α2 and β phase of titanium. Increase in Mo content from 3 to 15 wt% has increased the volume fraction of β phase from 7.45% to 64.09% and Kirkendall pores also are observed to be increased with increase in Mo content. α and α2 phase was differentiated by the TEM and phase map of EBSD images. The plateau stress, elastic modulus and energy absorption are observed to be decreased, and the densification strain is observed to be increased with the addition of Mo and SH content. The released ion concentration and corrosion rate are far below the tolerance limits of Ti, Al and Mo elements, in the static immersion test conducted in SBF solution.
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Assessment of transport kinetics and chemo-mechanical properties of GF/Epoxy composite under long term exposure to sulphuric acid. Polym Degrad Stab 2021. [DOI: 10.1016/j.polymdegradstab.2020.109436] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Landscape of dental trials registered in clinical trials registry-India. JOURNAL OF INDIAN ASSOCIATION OF PUBLIC HEALTH DENTISTRY 2021. [DOI: 10.4103/jiaphd.jiaphd_37_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Letter on: “An analysis of deficiencies in the data of interventional drug trials registered with Clinical Trials Registry – India”. Trials 2020; 21:38. [PMID: 31910886 PMCID: PMC6947893 DOI: 10.1186/s13063-019-4010-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 12/18/2019] [Indexed: 11/17/2022] Open
Abstract
An article published in this journal analyses the deficiencies in the data of interventional drug trials registered with Clinical Trials Registry - India. We wish to rebut some of the inferences and highlight the pitfalls of a purely automated analysis of registry data as posited by the authors.
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Participatory quantitative health impact assessment of urban transport planning: A case study from Eastern Africa. ENVIRONMENT INTERNATIONAL 2020; 144:106027. [PMID: 32827806 PMCID: PMC7434638 DOI: 10.1016/j.envint.2020.106027] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 07/19/2020] [Accepted: 07/31/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND High rates of motorization in urban areas of Africa have adverse effects on public health. Transport-related mortality will increase as a result of inadequate transport infrastructure, air pollution and sedentary lifestyles. Health Impact Assessments (HIAs) have proven to be a successful tool to predict and mitigate negative health impact of urban transport planning policies, programmes or projects. Yet, there is a gap of evidence on transport and health in African countries. The aim of this study is assessing the health impacts of transport scenarios in Port Louis (city of 119,018 inhabitants in Mauritius) using a full chain participatory HIA model. METHODS We estimated health and economic impacts associated to transport scenarios with qualitative data and quantitative comparative risk assessment methods. The health impact modeling was based on differences between the baseline and three transport scenarios (worse, good, ideal), estimating the averted deaths per year and economic outcomes by assessing health determinants of air pollution (AP), traffic deaths and physical activity (PA). Data on air pollution and traffic fatalities were obtained from public data sources. Data used to construct scenarios, establish baseline travel mode shares and physical activity were collected through (a) open-ended individual interviews (IDIs) with 14 stakeholders (b) closed-ended survey questions to 600 citizens and (c) 2 focus group discussions (FGDs) with the same 14 stakeholders from (a). RESULTS In Port Louis, the worse-case transport scenario (doubling in car trips and a reduction in walking, motorcycle, and public transport), resulted in a total increment of 3.28 premature deaths per year. The good-case scenario (reducing car trips by half and increasing walking, motorcycle, and public transport trips) resulted in a total increment of 0.79 premature deaths per year. The ideal-case scenario (reduction in car and motorcycle trips and an increase in walking and public transport trips) resulted in a total reduction of 13.72 premature deaths per year. We estimated USD 23 millions of economic benefits related to mortality if the ideal-case was achieved. CONCLUSION Participatory HIA shows that implementing transport policies aiming for less than an ideal situation may not be adequate or sufficient to avoid negative transport-related mortality in Mauritius. Urban transport planning is an opportunity to encourage physical activity in rapidly urbanizing settings of Africa. Transport policies should aim to restrict all forms of private motorized vehicles and promote active and public transport to support public health. We highly recommend the use of participatory approaches in quantitative HIA to ensure context specificity and policy relevance.
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Clinical Trials Registry - India: A decadal perspective. Indian J Pharmacol 2020; 52:272-282. [PMID: 33078728 PMCID: PMC7722906 DOI: 10.4103/ijp.ijp_24_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
OBJECTIVE: To present a descriptive analysis of the clinical studies registered in the Clinical Trials Registry – India (CTRI) and deduce its impact. METHODS: We searched the CTRI database for all registered clinical studies from July 20, 2007 to May 31, 2018. Extracted data were analyzed in three time periods i.e., Periods 1, 2, and 3 based on the major activities and milestones of the CTRI. In addition, comparative registrations of the various Primary Registries of the WHO were compiled and registration policy of Indian journals with regard to trial registration assessed. RESULTS: A total of 20,160 clinical studies were submitted to the CTRI in the designated study period. Of the registered 14,341 clinical studies, 10,485 (76.3%) were interventional trials which were either regulatory (n = 2004), academic non-regulatory (n = 3855), or those conducted as part of PG thesis (n = 4626) trials. Regulatory trials registration numbers varied according to the Indian regulatory scenario. PG thesis trial registrations showed a steep rise, although unlike regulatory trials, these were mostly retrospective registrations. CTRI registration numbers were comparable to that in other Primary Registries. Instructions to authors of 48% indexed Indian journals made a mention of trial registration. CONCLUSIONS: The CTRI has a strong global presence and has enhanced the transparency of regulatory trials as well as academic research particularly thesis-based work. The latter is expected to help improve standard of research and prevent repetitive research. Additional support from Indian journal editors by strict implementation of prospective registration is crucial for increasing compliance by researchers.
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Van Wyk-Grumbach syndrome in a female pediatric patient with trisomy 21: a case report. INTERNATIONAL JOURNAL OF PEDIATRIC ENDOCRINOLOGY 2020; 2020:2. [PMID: 32002020 PMCID: PMC6986150 DOI: 10.1186/s13633-020-0072-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 01/14/2020] [Indexed: 11/20/2022]
Abstract
Background Children with hypothyroidism typically present with delayed growth and development, but on rare occasions can present with signs of precocious puberty. This presentation is called Van Wyk-Grumbach syndrome. Van Wyk-Grumbach syndrome has seldom been described in patients with trisomy 21. Case presentation We present the case of a 4-year-old girl with trisomy 21, who recently moved to the United States from Guyana, and presented to the emergency room with recurrent vaginal bleeding. She was eventually diagnosed with hypothyroidism and Van Wyk-Grumbach syndrome. She was noted to have Tanner I breasts and pubic hair. A pelvic ultrasound was performed, which showed a simple cyst in the right adnexa. Subsequent laboratory evaluation revealed a thyroid stimulating hormone (TSH) of > 150 mIU/ml along with low free thyroxine of 0.3 ng/dl, suggesting longstanding untreated hypothyroidism. Estradiol and alpha-fetoprotein (AFP) levels were elevated. Bone age was delayed. The patient was diagnosed with Van Wyk-Grumbach syndrome and was started on levothyroxine therapy with subsequent resolution of vaginal bleeding. Estradiol and AFP both normalized after initiating levothyroxine therapy. Conclusion This case emphasizes the importance of recognizing the presence of precocious puberty, delayed bone age and ovarian cyst as a manifestation of primary hypothyroidism. In addition, it highlights the need for thyroid function screening in patients with Trisomy 21. Tumor markers may be elevated in Van Wyk-Grumbach syndrome with subsequent normalization after treatment.
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Overview of Ayurveda trials registered with Clinical Trial Registry-India: Need for customized data set items. Ayu 2020; 41:143-147. [PMID: 35370375 PMCID: PMC8966761 DOI: 10.4103/ayu.ayu_375_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/06/2021] [Accepted: 12/07/2021] [Indexed: 11/04/2022] Open
Abstract
Background: Aims and Objectives: Materials and methods: Results: Conclusions:
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Application of variational mode decomposition in automated migraine disease diagnosis. INTERNATIONAL JOURNAL OF HEALTHCARE TECHNOLOGY AND MANAGEMENT 2020. [DOI: 10.1504/ijhtm.2020.10039893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Application of variational mode decomposition in automated migraine disease diagnosis. INTERNATIONAL JOURNAL OF HEALTHCARE TECHNOLOGY AND MANAGEMENT 2020. [DOI: 10.1504/ijhtm.2020.116763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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An overview of primary registries of WHO's international clinical trial registry platform. Ayu 2019; 40:141-146. [PMID: 33281389 PMCID: PMC7685261 DOI: 10.4103/ayu.ayu_62_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Revised: 03/05/2020] [Accepted: 05/05/2020] [Indexed: 11/27/2022] Open
Abstract
Introduction: WHO's International Clinical Trials Registry Platform (ICTRP) has 17 primary registries that collect the information on the minimum set of items of trial information that appear in the register and these registries are also endorsed by the International Committee of Medical Journal Editors. Objective: The objective of this study is to describe the profile of all the primary registries including Clinical Trial Registry‑India (CTRI), through features such as magnitude, domain of registration, flagging, audit trail, language, mandatory requirements, and result disclosure. Methodology: The profiling of all registries was based on countries and zones, year of establishment, registrant, flagging, conflict of interest, language, documents, result disclosure, type of study, mode of registration, mandate of registration, quality check method, individual patient data statement and translation of content facility. The mode of search used was online which included advanced search, basic search and also from the audio/video manual on their website. Results: There are 17 primary registries of ICTRP, the first one International Standard Randomised Controlled Trial Number (ISRCTN) of England being initiated in year 2000 and the most recent being Lebanese registry, in September 2019. The trials registered with these registries range from 301 in Cuba to 53972 in European union's EU Clinical Trials Register. The primary registries in WHO registry network are diverse in functionalities and practices. The characteristics of online registers vary in content and features and to achieve coordinated level of data quality, across all the different registries and to keep a balance in standards of the data collected and validation of that data, the registries are adhering to the minimum data set items laid down by ICTRP. Conclusion: The very process of registering the clinical studies helps in promoting the research methods and also raising the standards of research, especially among young researchers. It also helps in reducing the duplicity of research.
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Cell proliferation proteins and aggressiveness of histological variants of ameloblastoma and keratocystic odontogenic tumor. Biotech Histochem 2019; 94:348-351. [DOI: 10.1080/10520295.2019.1571226] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Abstract
The Clinical Trials Registry – India (CTRI), launched over 10 years ago, is a free, searchable online platform for registration of clinical trials being conducted in India and as well as countries which do not have a Primary Registry of their own. The objective of the present article is to appraise the current status and the new developments of CTRI, which registers all types of clinical studies, including postgraduate theses. The CTRI which was until now allowing both prospective and retrospective registration is moving towards only prospective trial registration. From April 1, 2018, only those trials where the first patient enrollment has not yet commenced will be registered. Further, the CTRI is in the process of implementing structured summary results disclosure of all interventional clinical trials in the near future.
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Knowledge of private practitioners of Bangalore city in diagnosis, treatment of pulmonary tuberculosis and compliance with case notification. ACTA ACUST UNITED AC 2018; 65:124-129. [DOI: 10.1016/j.ijtb.2018.01.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 09/28/2017] [Accepted: 01/05/2018] [Indexed: 12/01/2022]
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Color Changes in High Pressure Processed Ground Beef with Different Nitrosylmyoglobin States and With or Without Added Reducing Compounds. MEAT AND MUSCLE BIOLOGY 2017. [DOI: 10.22175/rmc2017.046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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25
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Cervixreifung mit Dilapan: Zwischenauswertung einer internationalen Beobachtungsstudie. Geburtshilfe Frauenheilkd 2016. [DOI: 10.1055/s-0036-1583777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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26
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Increased GVHD-related mortality with broad-spectrum antibiotic use after allogeneic hematopoietic stem cell transplantation in human patients and mice. Sci Transl Med 2016; 8:339ra71. [PMID: 27194729 PMCID: PMC4991773 DOI: 10.1126/scitranslmed.aaf2311] [Citation(s) in RCA: 361] [Impact Index Per Article: 45.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 05/04/2016] [Indexed: 12/13/2022]
Abstract
Intestinal bacteria may modulate the risk of infection and graft-versus-host disease (GVHD) after allogeneic hematopoietic stem cell transplantation (allo-HSCT). Allo-HSCT recipients often develop neutropenic fever, which is treated with antibiotics that may target anaerobic bacteria in the gut. We retrospectively examined 857 allo-HSCT recipients and found that treatment of neutropenic fever with imipenem-cilastatin and piperacillin-tazobactam antibiotics was associated with increased GVHD-related mortality at 5 years (21.5% for imipenem-cilastatin-treated patients versus 13.1% for untreated patients, P = 0.025; 19.8% for piperacillin-tazobactam-treated patients versus 11.9% for untreated patients, P = 0.007). However, two other antibiotics also used to treat neutropenic fever, aztreonam and cefepime, were not associated with GVHD-related mortality (P = 0.78 and P = 0.98, respectively). Analysis of stool specimens from allo-HSCT recipients showed that piperacillin-tazobactam administration was associated with perturbation of gut microbial composition. Studies in mice demonstrated aggravated GVHD mortality with imipenem-cilastatin or piperacillin-tazobactam compared to aztreonam (P < 0.01 and P < 0.05, respectively). We found pathological evidence for increased GVHD in the colon of imipenem-cilastatin-treated mice (P < 0.05), but no difference in the concentration of short-chain fatty acids or numbers of regulatory T cells. Notably, imipenem-cilastatin treatment of mice with GVHD led to loss of the protective mucus lining of the colon (P < 0.01) and the compromising of intestinal barrier function (P < 0.05). Sequencing of mouse stool specimens showed an increase in Akkermansia muciniphila (P < 0.001), a commensal bacterium with mucus-degrading capabilities, raising the possibility that mucus degradation may contribute to murine GVHD. We demonstrate an underappreciated risk for the treatment of allo-HSCT recipients with antibiotics that may exacerbate GVHD in the colon.
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What Factors Contribute to Intimate Partner Violence Against Women in Urban, Conflict-Affected Settings? Qualitative Findings from Abidjan, Côte d'Ivoire. J Urban Health 2016; 93:364-78. [PMID: 27000124 PMCID: PMC4835354 DOI: 10.1007/s11524-016-0029-x] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Rapid urbanization is a key driver of the unique set of health risks facing urban populations. One of the most critical health hazards facing urban women is intimate partner violence (IPV). In post-conflict urban areas, women may face an even greater risk of IPV. Yet, few studies have examined the IPV experiences of urban-dwelling, conflict-affected women, including those who have been internally displaced. This study qualitatively examined the social and structural characteristics of the urban environment that contributed to the IPV experiences of women residing in post-conflict Abidjan, Côte d'Ivoire. Ten focus groups were conducted with men and women, both internally displaced (IDPs) and non-displaced. Lack of support networks, changing gender roles, and tensions between traditional gender norms and those of the "modern" city were reported as key contributors to IPV. Urban poverty and with it unemployment, food insecurity, and housing instability also played a role. Finally, IDPs faced heightened vulnerability to IPV as a result of displacement and discrimination. The relationship between economic strains and IPV are similar to other conflict-affected settings, but Abidjan's urban environment presented other unique characteristics contributing to IPV. Understanding these factors is crucial to designing appropriate services for women and for implementing IPV reduction interventions in urban areas. Strengthening formal and informal mechanisms for help-seeking, utilizing multi-modal interventions that address economic stress and challenge inequitable gender norms, as well as tailoring programs specifically for IDPs, are some considerations for IPV program planning focused on conflict-affected women in urban areas.
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Computer aided morphometric analysis of oral leukoplakia and oral squamous cell carcinoma. Biotech Histochem 2016; 91:251-4. [PMID: 26983454 DOI: 10.3109/10520295.2016.1139181] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
We compared the changes in the cells in the basal layer of normal mucosa, oral leukoplakia with dysplasia and different grades of oral squamous cell carcinoma (OSCC) using computer aided image analysis of tissue sections. We investigated three morphometric parameters: nuclear area (NA), cell area (CA) and their ratio (NA:CA). NA and NA:CA ratio showed a statistically significant increase from dysplasia to increasing grades of OSCC. Nuclear size was useful for differentiating normal tissue, potentially malignant leukoplakia and OSCC.
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Evaluation of the DNA damage repair pathway through oral epithelial dysplasia scrapes: its role in the determination of malignant transformation. Br J Oral Maxillofac Surg 2015. [DOI: 10.1016/j.bjoms.2015.08.208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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30
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Early Clinical Response to Intrauterine Ultrasound-Guided Transcervical Radiofrequency Ablation. J Minim Invasive Gynecol 2015; 22:S41. [DOI: 10.1016/j.jmig.2015.08.114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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A descriptive study of tuberculosis case finding in private health care facilities in a South Indian district. Int J Tuberc Lung Dis 2015; 18:1455-8. [PMID: 25517811 DOI: 10.5588/ijtld.14.0228] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
SETTING A South Indian district providing anti-tuberculosis services through the Revised National TB Control Programme (RNTCP) and private health care facilities. OBJECTIVE To ascertain the profile of tuberculosis (TB) patients diagnosed and/or treated in private health care facilities. METHODS Data on TB cases diagnosed and/or treated in all clinical departments of the medical college, 83 nursing homes and RNTCP health care facilities were collected prospectively. RESULTS About 83% of new TB cases recorded in the private medical college, 47% in nursing homes and 24.5% in RNTCP TB registers were extra-pulmonary. The proportion of retreatment cases was respectively 5.5%, 9.6% and 19.8%. The proportion of males and those in the economically productive age group were similar in the three data sources. About 94% of cases diagnosed in the medical college and 55% in nursing homes were registered for treatment under the RNTCP. About 11% of the smear-positive patients diagnosed in RNTCP were initial defaulters. CONCLUSION The proportion of extra-pulmonary cases was higher in the medical college and nursing homes and that of retreatment cases was lower than in the RNTCP.
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Pharmacological targeting of luteinizing hormone-releasing hormone receptor promotes survival after lethal irradiation (HEM5P.222). THE JOURNAL OF IMMUNOLOGY 2015. [DOI: 10.4049/jimmunol.194.supp.120.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Abstract
Sex steroid inhibition (SSI) is a well-described strategy to promote lymphopoiesis in the bone marrow and thymus of aged and immunodepleted mice. Although the precise mechanisms underlying this regenerative effect are unclear, there is increasing evidence that sex hormones can have a profound impact on hematopoietic stem cell (HSC) function. Here we show that SSI induced by a novel class of Luteinizing Hormone-Releasing Hormone Receptor antagonist (LHRH-Ant) protected both male and female mice from BM failure, increased the recovery of myeloid and lymphoid compartments, and ultimately promoted overall mouse survival when administered 24 hours after lethal total body irradiation (LTBI). Underlying this, we could demonstrate both phenotypically and functionally that LHRH-Ant spared HSCs from radiation-induced depletion and induced HSCs into cell cycle, thereby promoting hematopoiesis. Intriguingly, use of an LHRH agonist, which causes an initial surge in sex steroids, also mediated enhanced survival from LTBI but surgical castration did not, suggesting that the benefit of SSI is not mediated by the sex steroids themselves but rather by upstream regulators such as LH. Consistent with this, irradiated mice receiving LHRH-Ant and treated daily with LH were no longer protected from radiation injury. Taken together these data not only reveal a novel mechanism that regulates HSC function, but also offer a therapeutic approach to regenerate hematopoiesis after radiation exposure.
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Treatment with Antibiotics Containing Activity Against Obligate Anaerobes Worsens GVHD Survival in Mice and Humans after Allogeneic BMT. Biol Blood Marrow Transplant 2015. [DOI: 10.1016/j.bbmt.2014.11.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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35
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Chitosan coated alginate micro particles for the oral delivery of antifilarial drugs and combinations for intervention in Brugia malayi induced lymphatic filariasis. RSC Adv 2015. [DOI: 10.1039/c5ra06982c] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Mechanism of targeting of MPs and absorption through Peyer’s patches, to lymphatics where an adult worm resides.
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36
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Enhancement of magnetic heating efficiency in size controlled MFe2O4 (M = Mn, Fe, Co and Ni) nanoassemblies. RSC Adv 2015. [DOI: 10.1039/c4ra13079k] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
The MFe2O4 magnetic nanoparticle nanoassemblies (MNNAs) have been synthesized via thermal decomposition of metal chloride in ethylene glycol (EG) in the presence of ethylenediamine (EDA).
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Gender norms, poverty and armed conflict in Côte D'Ivoire: engaging men in women's social and economic empowerment programming. HEALTH EDUCATION RESEARCH 2014; 29:1015-1027. [PMID: 25274720 PMCID: PMC4235567 DOI: 10.1093/her/cyu058] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Accepted: 08/28/2014] [Indexed: 06/03/2023]
Abstract
Engaging men is a critical component in efforts to reduce intimate partner violence (IPV). Little is known regarding men's perspectives of approaches that challenge inequitable gender norms, particularly in settings impacted by armed conflict. This article describes men's experiences with a women's empowerment program and highlights men's perceptions of gender norms, poverty and armed conflict, as they relate to achieving programmatic goals. Data are from 32 Ivorian men who participated in indepth interviews in 2012. Interviews were undertaken as part of an intervention that combined gender dialogue groups for both women and their male partners with women's only village savings and loans programs to reduce IPV against women. Findings suggested that in the context of armed conflict, traditional gender norms and economic stressors experienced by men challenged fulfillment of gender roles and threatened men's sense of masculinity. Men who participated in gender dialogue groups discussed their acceptance of programming and identified improvements in their relationships with their female partners. These men further discussed increased financial planning along with their partners, and attributed such increases to the intervention. Addressing men's perceptions of masculinity, poverty and armed conflict may be key components to reduce men's violence against women in conflict-affected settings.
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Transcervical, Intrauterine Ultrasound-Guided Radiofrequency Ablation of Uterine Fibroids with the VizAblate® System: 12-Month Reduction of Fibroid Perfused and Total Volume. J Minim Invasive Gynecol 2014. [DOI: 10.1016/j.jmig.2014.08.206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Tadalafil in Benign Prostatic Hyperplasia: Protocol for the Systematic Review of Adverse Events. VALUE IN HEALTH : THE JOURNAL OF THE INTERNATIONAL SOCIETY FOR PHARMACOECONOMICS AND OUTCOMES RESEARCH 2014; 17:A810-A811. [PMID: 27203059 DOI: 10.1016/j.jval.2014.08.550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
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Transcervical, Intrauterine Sonography-Guided Radiofrequency Ablation of Uterine Fibroids with the VizAblate® System: 12-Month Safety, Reintervention and Pregnancy Outcomes. J Minim Invasive Gynecol 2014. [DOI: 10.1016/j.jmig.2014.08.104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Menstrual Blood Loss Reduction at Twelve Months after Radiofrequency Ablation of Uterine Fibroids with the VizAblate® System. J Minim Invasive Gynecol 2014. [DOI: 10.1016/j.jmig.2014.08.207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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42
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Insurance Coverage Policies for Companion Diagnostics in Breast Cancer. VALUE IN HEALTH : THE JOURNAL OF THE INTERNATIONAL SOCIETY FOR PHARMACOECONOMICS AND OUTCOMES RESEARCH 2014; 17:A739. [PMID: 27202658 DOI: 10.1016/j.jval.2014.08.127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
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Treatment outcome of tuberculosis patients in a clinic of Bangalore. Indian J Tuberc 2014; 61:189-194. [PMID: 25241566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A total of 112 cases (New = 101, previously treated = 11) were diagnosed as suffering from tuberculosis (TB) at a private clinic in Bangalore city. The clinic identified TB suspects, established diagnosis of TB, administered direct observation of treatment (DOT), maintained treatment cards and undertook defaulter retrieval actions as and when required. The Revised National Tuberculosis Control Programme (RNTCP) provided support in terms of sputum microscopy supply of patient-wise drug boxes and registration of patients. Ninety six (95.1%) of new cases and 10 (90.9%) of previously treated cases had successful treatment outcome. Most patients completed treatment within the prescribed period. No TB deaths were reported during the period of treatment.
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A career in academic medicine. Assoc Med J 2014. [DOI: 10.1136/sbmj.g3506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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45
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Cytomorphometric analysis of oral submucous fibrosis and leukoplakia using methyl green-pyronin Y, Feulgen staining and exfoliative brush cytology. Biotech Histochem 2014; 90:8-13. [PMID: 24867495 DOI: 10.3109/10520295.2014.919025] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The incidence of potentially malignant oral pathology such as leukoplakia, oral submucous fibrosis and squamous cell carcinoma has increased in India. We investigated whether cytoplasmic diameter, nuclear diameter and nucleus:cytoplasm ratio in exfoliative cytology are reliable indicators of potentially malignant lesions. We also investigated methyl green-pyronin Y and Feulgen staining as simple time saving and cost effective staining techniques for diagnostic exfoliative cytology. Cell and nuclear diameters of squamous cells of normal buccal mucosa, oral leukoplakia and oral submucous fibrosis were measured using an ocular micrometer disc. The nucleus:cytoplasm ratios in pathological cells were compared to age, sex and site matched controls. We found a significant reduction in the mean cytoplasmic and nuclear diameter in the experimental groups compared to normal controls. Methyl green-pyronin Y stained smears were clearer than Feulgen stained cells. We suggest that a decreased mean cytoplasmic diameter of exfoliated buccal mucosal cells could serve as an early indicator of dysplastic change in lesions that otherwise appear benign. Methyl green-pyronin Y may be useful for identifying premalignant and malignant transformations before a lesion is visible. The simplicity of the technique makes its routine use feasible.
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Transcervical, Intrauterine Ultrasound-Guided Radiofrequency Ablation of Uterine Fibroids with the VizAblate™ System: Preliminary Analysis of the FAST-EU Trial. J Minim Invasive Gynecol 2013. [DOI: 10.1016/j.jmig.2013.08.161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Exploring bacterial flora in oral squamous cell carcinoma: a microbiological study. Biotech Histochem 2013; 89:153-9. [PMID: 24073707 DOI: 10.3109/10520295.2013.831120] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The oral cavity contains a unique and diverse microflora. While most of these organisms exhibit commensalism, shifts in bacterial community dynamics cause pathological changes within the oral cavity and at distant sites. We assessed the microbial flora using cultured saliva and oral swabs from subjects with oral squamous cell carcinoma (OSCC) and healthy controls. Microbial samples were collected from the carcinoma site, contralateral healthy mucosa, and saliva of the study group and samples were collected from healthy mucosa and saliva of controls. Samples were stored on ice and transported to the laboratory for culture. The median number of colony forming units (CFU)/ml at carcinoma sites was significantly greater than at the contralateral healthy mucosa. Similarly, in saliva of carcinoma subjects, the median number of CFU/ml was significantly greater than in saliva of control subjects.
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Associations between pollen counts, pollutants, and asthma-related hospital admissions in a high-density Indian metropolis. J Asthma 2013; 49:792-9. [PMID: 22978307 DOI: 10.3109/02770903.2012.716473] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND The seasonal pattern of asthma-related hospitalization has often been correlated with ambient allergen/pollutant levels. OBJECTIVE To examine the relationship between asthma-related hospital admissions (ARHA) and outdoor pollen, spore, and pollutant levels for adult patients in a densely populated Indian megacity Kolkata. METHODS ARHA data were obtained from two major teaching hospitals of the city. Pollen and spores causing allergic sensitization were identified by skin prick tests (SPTs) among respiratory allergic subjects (N = 1353). Outdoor concentrations of aeroallergens were determined using a Burkard sampler for five consecutive years (2004-2009). Levels of NO(2), SO(2), suspended particulate matters (SPMs), and respirable particulate matters (RPMs) were made available by West Bengal Pollution Control Board (WBPCB, Government of West Bengal). Poisson multivariate Poisson regression (with adjustments for overdispersion) was used to model the data. Results. We found that ARHA in Kolkata increased with predictable regularity in March and September, while remaining low in January and July. SPT showed highly positive skin reactions with grass/weed and palm pollens in respiratory allergic patients, while Aspergilli spores also evoked good sensitivity. In our regression model, the airborne pollen types, Cheno-Amaranthaceae and Cyperaceae, and the inorganic pollutant, SO(2) and RPM, were significantly associated with ARHA (p < .05). CONCLUSION ARHA in the megacity of Kolkata shows two seasonal peaks that can be correlated with outdoor grass/weed pollen and RPM concentrations. In contrast, the city's ambient fungal spore counts were not found to be significantly associated.
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Drug-induced hypothyroidism in patients receiving treatment for multidrug-resistant tuberculosis in the UK. Int J Tuberc Lung Dis 2012; 16:1278. [PMID: 22871328 DOI: 10.5588/ijtld.12.0305] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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50
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Transcervical, Intrauterine Ultrasound-Guided Radiofrequency Ablation of Uterine Fibroids with the VizAblate™ System: Initial Three- and Six-Month Efficacy Results of the FAST-EU Trial. J Minim Invasive Gynecol 2012. [DOI: 10.1016/j.jmig.2012.08.581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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