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Plasma apolipoprotein concentrations and new-onset diabetes in subjects with prediabetes. Atherosclerosis 2022. [DOI: 10.1016/j.atherosclerosis.2022.06.112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Impact of dyslipidemia on peripheral neuropathy. Atherosclerosis 2022. [DOI: 10.1016/j.atherosclerosis.2022.06.178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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405 - Les infections transmissibles sexuellement et par le sang au Québec : impacts de la pandémie de COVID-19. Rev Epidemiol Sante Publique 2022. [PMCID: PMC9340445 DOI: 10.1016/j.respe.2022.06.070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Contexte Avec l'apparition du SARS-CoV-2, l'année 2020 a été marquée par l'application de mesures sanitaires limitant les contacts interpersonnels et par des restrictions de l'accès à des services de santé. L'objectif était d’évaluer l'impact potentiel de la COVID-19 sur l’évolution des ITSS en comparant les taux d'incidence (TI) de cas déclarés pour l'année 2020 à ceux de l'année précédente selon le groupe d’âge et le sexe. Méthodes Les nombres de cas déclarés ont été extraits du fichier des maladies à déclaration obligatoire et du programme de surveillance du VIH. Les estimés du nombre de personnes vivant au Québec proviennent de l'Institut national de la statistique alors que nombre de tests effectués pour la détection de l'infection à Chlamydia trachomatis et de l'infection gonococcique proviennent la base Centralab du Ministère de la santé et des services sociaux. Résultats Entre 2019 et 2020 les TI de toutes les ITSS ont diminué : de 20,1 % pour Chlamydia trachomatis (269 cas/100 000), de 25,3 % pour l'infection gonococcique (66 cas/100 000), de 11,0 % pour la syphilis infectieuse (12,4 cas/100 000), de 5,7 % pour la lymphogranulomatose vénérienne (1,5 cas/100 000), de 31,0 % pour l'hépatite B (8,4 cas/100 000), de 28,9 % pour l'hépatite C (9,2 cas/100 000) et de 30,6 % pour les nouveaux diagnostics d'infection par le VIH (2,5 cas/100 000). Les écarts sont manifestes quel que soit le groupe d’âge et le sexe; ils suivent étroitement les périodes de mises en place de certaines mesures pandémiques. Finalement, une baisse similaire du nombre de tests de détection effectués a aussi été observée (-23,9 %) entre 2019 et 2022. Discussion/Conclusion Depuis quelques années, la fréquence des cas déclarés des diverses ITSS est soit stable ou en hausse constante au Québec. La baisse globale, soudaine et importante, observée en 2020, apparaît liée à l'implantation de mesures pandémiques. Déclaration de liens d'intérêts Les auteurs déclarent ne pas avoir de liens d'intérêts.
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Stress and its Relationship to Cardiovascular Risk in Young Adults With Intellectual Disability. Heart Lung Circ 2022. [DOI: 10.1016/j.hlc.2022.06.514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Current Applications of Remote Robot-Assisted Cardiac Ultrasound Examination: A Systematic Review of Clinical Use and Technological limitations. Heart Lung Circ 2022. [DOI: 10.1016/j.hlc.2022.06.241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Human papillomavirus (HPV) vaccination across a cascade of knowledge, willingness, and uptake among gay, bisexual, and other men who have sex with men in Canada's three largest cities. Hum Vaccin Immunother 2021; 17:5413-5425. [PMID: 34856869 DOI: 10.1080/21645515.2021.1979379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
BACKGROUND Some Canadian jurisdictions offer publicly funded HPV vaccine to gay, bisexual, and other men who have sex with men (GBM) aged ≤26 years. We characterized factors associated with being in different stages of HPV vaccination. METHODS Engage is a sexual health study of GBM in the three largest Canadian cities recruited via respondent driven sampling (RDS). We categorized participants as: (1) unaware of HPV vaccine, (2) undecided/unwilling to get vaccinated, (3) willing to get vaccinated, (4) vaccinated with one or more doses. Our RDS-II weighted analyses used multinomial logistic regression to identify factors associated with being in earlier stages of the cascade compared to Stage 4. RESULTS Across the cities, 26-40%, 7-14%, 33-39%, and 13-28% were in Stages 1 to 4, respectively. Compared to Stage 4, being in earlier stages of the cascade was associated with bisexual-identification (Stage 1: adjusted odds ratio[aOR] = 2.84, 95% confidence interval[CI] = 1.06-7.62; Stage 2: aOR = 3.09, 95%CI = 1.19-8.05), having immigrated to Canada (Stage 1: aOR = 1.79, 95%CI 1.07-2.99), preference to keep same-sex romantic relationships private (Stage 1: aOR = 1.25, 95% CI = 1.05-1.48; Stage 2: aOR = 1.24, 95%CI = 1.05-1.46), not receiving sexual health information (Stage 1: aOR = 0.31, 95% CI = 0.13-0.71; Stage 2: aOR = 0.27, 95%CI = 0.12-0.64), not accessing a health-care provider (Stage 2: aOR = 0.36, 95%CI = 0.15-0.83), and no past hepatitis A/B vaccination (Stage 1: aOR = 0.16, 95% CI = 0.09-0.30; Stage 2: aOR = 0.18, 95%CI = 0.09-0.35; Stage 3: aOR = 0.38, 95%CI = 0.21-0.61). DISCUSSION Interventions are needed to reduce social and financial barriers, increase sexual health knowledge, and improve GBM-competent health-care access to increase vaccine uptake among GBM.
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Genome-wide characterization of a highly penetrant form of hyperlipoprotein(a)emia causatively associated with genetically elevated cardiovascular risk. Atherosclerosis 2021. [DOI: 10.1016/j.atherosclerosis.2021.06.338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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PCSK9 deficiency protects against ischemic stroke but increases hemorrhagic transformation in a hyperglycemic mouse model. Atherosclerosis 2021. [DOI: 10.1016/j.atherosclerosis.2021.06.277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Human papillomavirus (HPV) vaccine uptake among a community-recruited sample of gay, bisexual, and other men who have sex with men in the three largest cities in Canada from 2017 to 2019. Vaccine 2021; 39:3756-3766. [PMID: 34074547 DOI: 10.1016/j.vaccine.2021.05.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 03/26/2021] [Accepted: 05/11/2021] [Indexed: 01/21/2023]
Abstract
INTRODUCTION In 2015/2016, Canada's largest provinces implemented publicly-funded human papillomavirus (HPV) vaccination programs for gay, bisexual, and other men who have sex with men (GBM) ≤ 26 years old. We sought to describe HPV vaccine uptake among GBM and determine barriers and facilitators to vaccine initiation with a focus on healthcare access and utilization. METHODS Engage is a cohort study among GBM aged 16 + years in three Canadian cities recruited from 2017 to 2019 via respondent driven sampling (RDS). Men completed a comprehensive questionnaire at baseline. By publicly-funded vaccine eligibility (≤26 years old = eligible for vaccination, ≥27 years old = ineligible), we described HPV vaccine uptake (initiation = 1 + dose, completion = 3 doses) and explored factors associated with vaccine initiation using Poisson regression. All analyses were weighted with the RDS-II Volz-Heckathorn estimator. RESULTS Across the three cities, 26-35% and 14-21% of men ≤ 26 years and 7-26% and 2-9% of men ≥ 27 years initiated and completed HPV vaccination, respectively. Vaccine initiation was significantly associated with STI/HIV testing or visiting a HIV care specialist in the past six months (≤26: prevalence ratio[PR] = 2.15, 95% confidence interval[CI] 1.06-4.36; ≥27: PR = 2.73, 95%CI 1.14-6.51) and past hepatitis A or B vaccination (≤26: PR = 2.88, 95%CI 1.64-5.05; ≥27: PR = 2.03, 95%CI 1.07-3.86). Among men ≥ 27 years old, vaccine initiation was also positively associated with accessing PrEP, living in Vancouver or Toronto, but negatively associated with identifying as Latin American and increasing age. Vaccine initiation was twice as likely among men ≥ 27 years with private insurance versus no insurance. CONCLUSIONS Sixty-five to 74% of men eligible for publicly-funded vaccine across the three cities remained unvaccinated against HPV by 2019. High vaccine cost may partly explain even lower uptake among men ≥ 27 years old. Men seeking sexual health care were more likely to initiate vaccination; bundling vaccination with these services may help improve HPV vaccine uptake.
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La souche probiotique H. alvei HA4597® améliore la perte de poids de sujets en surpoids sous régime hypocalorique modéré : une étude randomisée, multicentrique, contrôlée versus placebo. NUTR CLIN METAB 2021. [DOI: 10.1016/j.nupar.2021.01.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Modifications des entérobactéries et de la protéine ClpB dans un modèle de restriction alimentaire chez la souris : implications possibles pour l’étiologie et la perpétuation de l’anorexie mentale. NUTR CLIN METAB 2020. [DOI: 10.1016/j.nupar.2020.02.216] [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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Tunable High Spatio-Spectral Purity Undulator Radiation from a Transported Laser Plasma Accelerated Electron Beam. Sci Rep 2019; 9:19020. [PMID: 31836730 PMCID: PMC6910930 DOI: 10.1038/s41598-019-55209-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 10/22/2019] [Indexed: 02/01/2023] Open
Abstract
Undulator based synchrotron light sources and Free Electron Lasers (FELs) are valuable modern probes of matter with high temporal and spatial resolution. Laser Plasma Accelerators (LPAs), delivering GeV electron beams in few centimeters, are good candidates for future compact light sources. However the barriers set by the large energy spread, divergence and shot-to-shot fluctuations require a specific transport line, to shape the electron beam phase space for achieving ultrashort undulator synchrotron radiation suitable for users and even for achieving FEL amplification. Proof-of-principle LPA based undulator emission, with strong electron focusing or transport, does not yet exhibit the full specific radiation properties. We report on the generation of undulator radiation with an LPA beam based manipulation in a dedicated transport line with versatile properties. After evidencing the specific spatio-spectral signature, we tune the resonant wavelength within 200-300 nm by modification of the electron beam energy and the undulator field. We achieve a wavelength stability of 2.6%. We demonstrate that we can control the spatio-spectral purity and spectral brightness by reducing the energy range inside the chicane. We have also observed the second harmonic emission of the undulator.
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P4573In patients with acute myocardial infarction, PCSK9 levels do not predict severity and recurrence of cardiovascular events. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.0963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
In patients with coronary artery disease (CAD), it remains unclear whether serum PCSK9 levels can predict the severity of the disease and the risk of future cardiovascular events.
Methods
Among the patients admitted for an acute myocardial infarction (MI) from September 2015 to December 2016 in an intensive care unit from a university hospital, serum PCSK9 levels were measured on admission in patients not previously receiving statin therapy. We aimed to evaluate the association between PCSK9 levels, metabolic parameters, severity of CAD on coronary angiography, and the risk of in-hospital events and at one-year follow-up.
Results
In a total of 648 patients (mean age: 66 years, 67% male), the median PCSK9 was 263 ng/ml, higher for females compared with males (270 vs 256 ng/ml, p=0.009). Serum PCSK9 was associated with LDL cholesterol (r=0.083, p=0.036), total cholesterol (r=0.136, p=0.001) and triglycerides (r=0.137, p=0.001). A positive association was also observed in the subgroup of patients with CRP >10 mg/L (p<0.001), but not with NT-proBNP, troponin and creatine kinase. PCSK9 levels were similar whatever the SYNTAX score or the number of significant coronary lesions. Moreover, PCSK9 levels were not predictive of in-hospital events (death, recurrent MI and stroke) and events (cardiovascular death, cardiovascular events, recurrent MI) at one-year follow-up.
Conclusion
In this large cohort of patients hospitalized for acute MI and not previously receiving statin therapy, PCSK9 levels was not associated with the severity or the recurrence of cardiovascular events. The clinical utility of measuring PCSK9 levels remains to be demonstrated for this category of patients.
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Rôle de la protéine bactérienne ClpB et d’un de ses fragments peptidiques dans la régulation de la prise alimentaire. NUTR CLIN METAB 2019. [DOI: 10.1016/j.nupar.2019.01.258] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Identification de la protéine ClpB (caseinolytic peptidase B), mimétique du neuropeptide anorexigène α-MSH (α-melanocyte-stimulating hormone) chez la souche Hafnia alvei 4597 par technique LC-MS/MS DIA. NUTR CLIN METAB 2019. [DOI: 10.1016/j.nupar.2019.01.413] [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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Étude des neuropeptides plasmatiques et de leurs immunoglobulines respectives chez 120 patients atteints de troubles du comportement alimentaire. NUTR CLIN METAB 2019. [DOI: 10.1016/j.nupar.2019.01.241] [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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Un nouveau probiotique, Hafnia alvei, réduit le gain de poids dans deux modèles murins d’obésité en agissant sur les voies centrales et périphériques de l’homéostasie énergétique. NUTR CLIN METAB 2019. [DOI: 10.1016/j.nupar.2019.01.257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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In patients with acute myocardial infarction, PCSK9 levels do not predict severity and recurrence of cardiovascular events. ARCHIVES OF CARDIOVASCULAR DISEASES SUPPLEMENTS 2019. [DOI: 10.1016/j.acvdsp.2018.10.018] [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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Musculoskeletal and Achilles tendon symptoms in women with PCOS. J Sci Med Sport 2018. [DOI: 10.1016/j.jsams.2018.09.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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LDL receptor (LDLR) expression and LDL uptake in human pancreatic beta cells are regulated by statins and PCSK9 - Consequence for glucose-stimulated insulin secretion (GSIS). Atherosclerosis 2018. [DOI: 10.1016/j.atherosclerosis.2018.06.050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Production and purification of recombinant PCSK9 to study PCSK9 gain of function (GOF) and loss of function (LOF) mutants. Atherosclerosis 2018. [DOI: 10.1016/j.atherosclerosis.2018.06.497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Assessment of circulating Dengue serotypes in Grenada, West Indies. Int J Infect Dis 2018. [DOI: 10.1016/j.ijid.2018.04.4241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Variable reductions in apolipoprotein (a) [Apo(a)] isoforms concentrations after lipapheresis treatment in patients with isolated hyper lipoprotein (a) [Lp(a)]. Atherosclerosis 2018. [DOI: 10.1016/j.atherosclerosis.2018.06.480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Kinetics of plasma apolipoprotein E isoforms in humans by liquid chromatography-tandem mass spectrometry (LC-MS/MS). Atherosclerosis 2018. [DOI: 10.1016/j.atherosclerosis.2018.06.074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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A systematic functional activity characterization of the most frequent GOF and LOF PSCK9 variants. Atherosclerosis 2018. [DOI: 10.1016/j.atherosclerosis.2018.06.455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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PO-308 HAF inhibition in glioma cells reduces tumour growth without modifying the efficacy of chemo- and radiotherapy. ESMO Open 2018. [DOI: 10.1136/esmoopen-2018-eacr25.821] [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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Fenofibrate decreases plasma ceramide in type 2 diabetes patients: A novel marker of CVD? DIABETES & METABOLISM 2018; 44:143-149. [DOI: 10.1016/j.diabet.2017.04.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 03/30/2017] [Accepted: 04/13/2017] [Indexed: 02/05/2023]
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Low prevalence of vaccine-type HPV infections in young women following the implementation of a school-based and catch-up vaccination in Quebec, Canada. Hum Vaccin Immunother 2017; 14:118-123. [PMID: 29049007 DOI: 10.1080/21645515.2017.1385688] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND In Quebec, Canada, a school-based HPV vaccination for girls has been offered since 2008. The vaccine used in the program targets HPV16/18, responsible for ∼70% of cervical cancers and HPV6/11, responsible for the majority of anogenital warts. The objective of this study was to assess the prevalence of HPV in vaccinated and unvaccinated women. METHODS Women aged 17-29 years were eligible to participate. Participants' age, vaccination status and diverse risk factors were assessed by a computer-assisted questionnaire. Biological specimens were obtained by self-sampling. HPV genotyping was performed by Linear Array. RESULTS A total of 2,118 women were recruited. 2,042 completed the questionnaire and 1,937 provided a vaginal sample. Vaccination coverage varied from 83.5% in women aged 17-19 to 19.1% in those aged 23-29. The overall prevalence of HPV in sexually active women was 39.4% (95%CI: 37.0-41.7) and 56.7% of infected women had multiple type infections. The prevalence of vaccine HPV types varied by age and vaccination status except for women aged 23-29 for whom similar results were observed. Vaccine HPV types were detected in 0.3%, 1.4% and 10.5% of vaccinated women aged 17-19, 20-23, and 23-29 (p<0.05), respectively. HPV16 or HPV18 were detected in 10 women having received at least one dose of vaccine. Nine of these women were already sexually active at the time of vaccination. CONCLUSION Infections with HPV types included in the vaccine are rare in women aged less than 23 years and are virtually absent in those who received at least one dose of vaccine before sexual debut.
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“Avoiding tracheostomy”: percutaneous sclerotherapy of low-flow vascular malformations involving the airway with elective prolonged endotracheal intubation. J Vasc Interv Radiol 2017. [DOI: 10.1016/j.jvir.2016.12.705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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A reversible posterior leucoencephalopathy syndrome including blindness caused by preeclampsia. Facts Views Vis Obgyn 2016; 8:173-177. [PMID: 28003872 PMCID: PMC5172574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Complications of (pre)eclampsia may involve multiple systems and organs. Neurological symptoms may occur. Visual symptoms concern up to 25% the of patients with severe preeclampsia and 50% of the patients with eclampsia. An uncommon effect of severe preeclampsia is sudden blindness. Blindness may be part of a clinical and radiological presentation named Posterior Reversible Encephalopathy Syndrome (PRES). PRES may lead to permanent neurological deficit, recurrences or death. We report the case of a 24-year-old Caucasian patient, gravida 5 para 2 who developed preeclampsia and PRES complicated with blindness at 32 weeks of gestation. Optimal care allowed visual symptoms to resolve within 24 hours and a favourable maternal outcome and no long- term sequelae. We describe different causes and manifestations of PRES and highlight the need for immediate care in order to optimize the chance of symptoms reversibility.
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LDL receptor (LDLR) expression and function in human pancreatic beta cells. Atherosclerosis 2016. [DOI: 10.1016/j.atherosclerosis.2016.07.622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Sympathetic Nervous Response to Ischaemia-Reperfusion Is Altered in Remote Ischaemic Preconditioning. Heart Lung Circ 2016. [DOI: 10.1016/j.hlc.2016.06.149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Note: Real-time monitoring via second-harmonic interferometry of a flow gas cell for laser wakefield acceleration. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2016; 87:086103. [PMID: 27587174 DOI: 10.1063/1.4960399] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The use of a gas cell as a target for laser wakefield acceleration (LWFA) offers the possibility to obtain stable and manageable laser-plasma interaction process, a mandatory condition for practical applications of this emerging technique, especially in multi-stage accelerators. In order to obtain full control of the gas particle number density in the interaction region, thus allowing for a long term stable and manageable LWFA, real-time monitoring is necessary. In fact, the ideal gas law cannot be used to estimate the particle density inside the flow cell based on the preset backing pressure and the room temperature because the gas flow depends on several factors like tubing, regulators, and valves in the gas supply system, as well as vacuum chamber volume and vacuum pump speed/throughput. Here, second-harmonic interferometry is applied to measure the particle number density inside a flow gas cell designed for LWFA. The results demonstrate that real-time monitoring is achieved and that using low backing pressure gas (<1 bar) and different cell orifice diameters (<2 mm) it is possible to finely tune the number density up to the 10(19) cm(-3) range well suited for LWFA.
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Splenic Release of Platelets Contributes to Increased Circulating Platelet Size and Inflammation After Myocardial Infarction (MI). Heart Lung Circ 2016. [DOI: 10.1016/j.hlc.2016.06.147] [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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Tobacco Use Among Adolescents Entering Quebec Youth Protection Centers. Paediatr Child Health 2016. [DOI: 10.1093/pch/21.supp5.e60c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
BACKGROUND: Every year between 4,000 and 5,000 adolescents reside in Quebec Youth Protection Centers (YPCs). Many of these adolescents use tobacco products and other psychotropic substances that impact their present and future well-being.
OBJECTIVES: Document the prevalence of tobacco use among youth residing in YPCs and identify associated factors. Describe the measures taken to implement policies for smoke-free environments in YPCs and promote smoking cessation counseling for youth in care.
DESIGN/METHODS: Between July 2008 and May 2009, adolescents aged 14-17 living in six YPCs across Quebec were recruited on a volunteer basis to participate in a surveillance study on health risk behaviors. Data on socio-demographics, lifetime substance use and sexual risk behaviors, as well as certain health consequences related to these behaviors were obtained during structured, face-to-face interviews. An analysis of factors associated with daily tobacco use was carried out.
RESULTS: Data regarding behaviors reported during the year prior to admission were collected among 499 participants (boys: 59%; median age: boys: 16; girls: 15). Lifetime tobacco use was reported by 93% of girls and 91% of boys (median age at first cigarette was 12 years). During the year prior to admission, 15% of youth reported no tobacco use, and 20% smoked occasionally. Two thirds (65%) reported daily tobacco use, with 36% of girls and 43% of boys smoking 10 or more cigarettes a day. In univariate analysis, factors significantly (p<0.05) associated with daily smoking were: school failure or dropping out; family history of problematic alcohol or drug use; precocious initiation of alcohol use before age 13; history of regular use of alcohol or cannabis; problematic drug use (measured by DEP-ADO scale); having 6 or more lifetime sexual partners. Following dissemination of these results, measures were taken to develop a smoke-free policy and implementation plan for YPCs. Health professionals were trained to do brief interventions with all youth smokers entering care. In 2015 the YPC presented a brief to the provincial parlimentary committee on the Tobacco Act to support adoption of smoke-free policies for all health establishments in Québec.
CONCLUSION: Daily tobacco use is very prevalent among adolescents entering YPCs and the majority report problematic use of other psychoac-tive substances. Youth entering care merit screening for tobacco and drug use so that appropriate counseling can be initiated. Promoting policies that encourage smoke-free environments in child protection centers for both youth and the professionals working with them may greatly improve the chances for youth to live tobacco-free.
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The sympathetic nervous system and insulin resistance in achilles tendinopathy. J Sci Med Sport 2015. [DOI: 10.1016/j.jsams.2015.12.367] [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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Droxidopa improves orthostatic intolerance symptoms in low and normal supine blood pressure phenotypes of vasovagal syncope. Auton Neurosci 2015. [DOI: 10.1016/j.autneu.2015.07.147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Two-Year Follow-Up of a Community Gatekeeper Suicide Prevention Program in an Aboriginal Community. AUSTRALIAN JOURNAL OF REHABILITATION COUNSELLING 2015. [DOI: 10.1375/jrc.12.1.33] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AbstractFew studies report long term follow-up of community gatekeeper training programs that aim to facilitate help-seeking for suicide and there are none in Aboriginal communities. This study aimed to determine long term effects of the Shoalhaven Aboriginal Suicide Prevention Program (SASPP), which used community gatekeeper training as its primary strategy. Following consultation with the Aboriginal community, a brief questionnaire and semi-structured interview was completed by 40 participants who attended a community gatekeeper workshop 2 years earlier. Fifteen of the 40 participants stated that they had helped someone at risk of suicide over the 2-year follow-up period. Intentions to help and confidence to identify someone at risk of suicide remained high. A significant relationship was found between intentions to help prior to the workshop and whether participants had actually helped someone at risk of suicide. Correlations suggested a link between intentions to help, and subsequent help provision. However, it is unclear whether workshop attendance contributed to this effect. Future prevention programs need to be customised to specific Aboriginal communities to reduce barriers to helpseeking behaviour.
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French invasive Asian tiger mosquito populations harbor reduced bacterial microbiota and genetic diversity compared to Vietnamese autochthonous relatives. Front Microbiol 2015; 6:970. [PMID: 26441903 PMCID: PMC4585046 DOI: 10.3389/fmicb.2015.00970] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Accepted: 09/01/2015] [Indexed: 01/16/2023] Open
Abstract
The Asian tiger mosquito Aedes albopictus is one of the most significant pathogen vectors of the twenty-first century. Originating from Asia, it has invaded a wide range of eco-climatic regions worldwide. The insect-associated microbiota is now recognized to play a significant role in host biology. While genetic diversity bottlenecks are known to result from biological invasions, the resulting shifts in host-associated microbiota diversity has not been thoroughly investigated. To address this subject, we compared four autochthonous Ae. albopictus populations in Vietnam, the native area of Ae. albopictus, and three populations recently introduced to Metropolitan France, with the aim of documenting whether these populations display differences in host genotype and bacterial microbiota. Population-level genetic diversity (microsatellite markers and COI haplotype) and bacterial diversity (16S rDNA metabarcoding) were compared between field-caught mosquitoes. Bacterial microbiota from the whole insect bodies were largely dominated by Wolbachia pipientis. Targeted analysis of the gut microbiota revealed a greater bacterial diversity in which a fraction was common between French and Vietnamese populations. The genus Dysgonomonas was the most prevalent and abundant across all studied populations. Overall genetic diversities of both hosts and bacterial microbiota were significantly reduced in recently established populations of France compared to the autochthonous populations of Vietnam. These results open up many important avenues of investigation in order to link the process of geographical invasion to shifts in commensal and symbiotic microbiome communities, as such shifts may have dramatic impacts on the biology and/or vector competence of invading hematophagous insects.
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Single Shot Polarization Characterization of XUV FEL Pulses from Crossed Polarized Undulators. Sci Rep 2015; 5:13531. [PMID: 26314764 PMCID: PMC4551986 DOI: 10.1038/srep13531] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Accepted: 07/29/2015] [Indexed: 12/03/2022] Open
Abstract
Polarization control is a key feature of light generated by short-wavelength free-electron lasers. In this work, we report the first experimental characterization of the polarization properties of an extreme ultraviolet high gain free-electron laser operated with crossed polarized undulators. We investigate the average degree of polarization and the shot-to-shot stability and we analyze aspects such as existing possibilities for controlling and switching the polarization state of the emitted light. The results are in agreement with predictions based on Gaussian beams propagation.
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Demonstration of a Circularly Polarized Plasma-Based Soft-X-Ray Laser. PHYSICAL REVIEW LETTERS 2015; 115:083901. [PMID: 26340189 DOI: 10.1103/physrevlett.115.083901] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Indexed: 06/05/2023]
Abstract
We report the first experimental demonstration of a laser-driven circularly polarized soft-x-ray laser chain. It has been achieved by seeding a 32.8 nm Kr ix plasma amplifier with a high-order harmonic beam, which has been circularly polarized using a four-reflector polarizer. Our measurements testify that the amplified radiation maintains the initial polarization of the seed pulse in good agreement with our Maxwell-Bloch modeling. The resulting fully circular soft-x-ray laser beam exhibits a Gaussian profile and yields about 10^{10} photons per shot, fulfilling the requirements for laboratory-scale photon-demanding application experiments.
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The effect of renal denervation on endothelial function and inflammatory markers in patients with resistant hypertension. Int J Cardiol 2015; 188:96-8. [DOI: 10.1016/j.ijcard.2015.04.041] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Accepted: 04/03/2015] [Indexed: 11/26/2022]
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Spatial properties of odd and even low order harmonics generated in gas. Sci Rep 2015; 5:7786. [PMID: 25585715 PMCID: PMC4293601 DOI: 10.1038/srep07786] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Accepted: 12/15/2014] [Indexed: 11/21/2022] Open
Abstract
High harmonic generation in gases is developing rapidly as a soft X-ray femtosecond light-source for applications. This requires control over all the harmonics characteristics and in particular, spatial properties have to be kept very good. In previous literature, measurements have always included several harmonics contrary to applications, especially spectroscopic applications, which usually require a single harmonic. To fill this gap, we present here for the first time a detailed study of completely isolated harmonics. The contribution of the surrounding harmonics has been totally suppressed using interferential filtering which is available for low harmonic orders. In addition, this allows to clearly identify behaviors of standard odd orders from even orders obtained by frequency-mixing of a fundamental laser and of its second harmonic. Comparisons of the spatial intensity profiles, of the spatial coherence and of the wavefront aberration level of 5ω at 160 nm and 6ω at 135 nm have then been performed. We have established that the fundamental laser beam aberrations can cause the appearance of a non-homogenous donut-shape in the 6ω spatial intensity distribution. This undesirable effect can be easily controlled. We finally conclude that the spatial quality of an even harmonic can be as excellent as in standard generation.
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French invasive Asian tiger mosquito populations harbor reduced bacterial microbiota and genetic diversity compared to Vietnamese autochthonous relatives. Front Microbiol 2015; 6:970. [PMID: 26441903 DOI: 10.3389/fmicb.2015.00970/abstract] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Accepted: 09/01/2015] [Indexed: 05/19/2023] Open
Abstract
The Asian tiger mosquito Aedes albopictus is one of the most significant pathogen vectors of the twenty-first century. Originating from Asia, it has invaded a wide range of eco-climatic regions worldwide. The insect-associated microbiota is now recognized to play a significant role in host biology. While genetic diversity bottlenecks are known to result from biological invasions, the resulting shifts in host-associated microbiota diversity has not been thoroughly investigated. To address this subject, we compared four autochthonous Ae. albopictus populations in Vietnam, the native area of Ae. albopictus, and three populations recently introduced to Metropolitan France, with the aim of documenting whether these populations display differences in host genotype and bacterial microbiota. Population-level genetic diversity (microsatellite markers and COI haplotype) and bacterial diversity (16S rDNA metabarcoding) were compared between field-caught mosquitoes. Bacterial microbiota from the whole insect bodies were largely dominated by Wolbachia pipientis. Targeted analysis of the gut microbiota revealed a greater bacterial diversity in which a fraction was common between French and Vietnamese populations. The genus Dysgonomonas was the most prevalent and abundant across all studied populations. Overall genetic diversities of both hosts and bacterial microbiota were significantly reduced in recently established populations of France compared to the autochthonous populations of Vietnam. These results open up many important avenues of investigation in order to link the process of geographical invasion to shifts in commensal and symbiotic microbiome communities, as such shifts may have dramatic impacts on the biology and/or vector competence of invading hematophagous insects.
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General health workers' description of mental health problems and treatment approaches used in Papua New Guinea. Int J Soc Psychiatry 2014; 60:711-9. [PMID: 24351966 DOI: 10.1177/0020764013513441] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Papua New Guinea is a developing country with limited resources for specialist mental health services. Little is known about the mental health and treatment services of Papua New Guinea. AIM The aim of this study was to clarify the presenting mental health problems encountered by Papua New Guinean health workers and the common treatment approaches used. METHODS A total of 203 Papua New Guinean health workers completed a retrospective quantitative survey about their three most recent mental health patients. The survey asked about presenting symptomatology, diagnoses (including culture-bound diagnoses) and treatment approaches. RESULTS The major presenting mental health problems for males included schizophrenia, substance use disorder, sorcery and spirit possession. Depression was the most common diagnoses for women, followed by sorcery and somatisation. Over 65% of patients were prescribed psychotropic medication, over 50% received some form of psychological intervention and 28% were receiving traditional treatments. CONCLUSIONS Somatic symptoms are common among both male and female Papua New Guineans; however, males may be more likely to present with psychotic symptoms and females with mood-related problems. Schizophrenia and depression are commonly identified with substance use disorder more problematic among males. Culture-specific explanations and treatment are commonly used.
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195: Substance Use Profile of Adolescents Entering Quebec Youth Protection Centers. Paediatr Child Health 2014. [DOI: 10.1093/pch/19.6.e35-190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Preeclampsia: an update. ACTA ANAESTHESIOLOGICA BELGICA 2014; 65:137-149. [PMID: 25622379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Preeclampsia was formerly defined as a multisystemic disorder characterized by new onset of hypertension (i.e. systolic blood pressure (SBP) ≥ 140 mmHg and/or diastolic blood pressure (DBP) ≥ 90 mmHg) and proteinuria (> 300 mg/24 h) arising after 20 weeks of gestation in a previously normotensive woman. Recently, the American College of Obstetricians and Gynecologists has stated that proteinuria is no longer required for the diagnosis of preeclampsia. This complication of pregnancy remains a leading cause of maternal morbidity and mortality. Clinical signs appear in the second half of pregnancy, but initial pathogenic mechanisms arise much earlier. The cytotrophoblast fails to remodel spiral arteries, leading to hypoperfusion and ischemia of the placenta. The fetal consequence is growth restriction. On the maternal side, the ischemic placenta releases factors that provoke a generalized maternal endothelial dysfunction. The endothelial dysfunction is in turn responsible for the symptoms and complications of preeclampsia. These include hypertension, proteinuria, renal impairment, thrombocytopenia, epigastric pain, liver dysfunction, hemolysis-elevated liver enzymes-low platelet count (HELLP) syndrome, visual disturbances, headache, and seizures. Despite a better understanding of preeclampsia pathophysiology and maternal hemodynamic alterations during preeclampsia, the only curative treatment remains placenta and fetus delivery. At the time of diagnosis, the initial objective is the assessment of disease severity. Severe hypertension (SBP ≥ 160 mm Hg and/or DBP ≥ 110 mmHg), thrombocytopenia < 100.000/μL, liver transaminases above twice the normal values, HELLP syndrome, renal failure, persistent epigastric or right upper quadrant pain, visual or neurologic symptoms, and acute pulmonary edema are all severity criteria. Medical treatment depends on the severity of preeclampsia, and relies on antihypertensive medications and magnesium sulfate. Medical treatment does not alter the course of the disease, but aims at preventing the occurrence of intracranial hemorrhages and seizures. The decision of terminating pregnancy and perform delivery is based on gestational age, maternal and fetal conditions, and severity of preeclampsia. Delivery is proposed for patients with preeclampsia without severe features after 37 weeks of gestation and in case of severe preeclampsia after 34 weeks of gestation. Between 24 and 34 weeks of gestation, conservative management of severe preeclampsia may be considered in selected patients. Antenatal corticosteroids should be administered to less than 34 gestation week preeclamptic women to promote fetal lung maturity. Termination of pregnancy should be discussed if severe preeclampsia occurs before 24 weeks of gestation. Maternal end organ dysfunction and non-reassuring tests of fetal well-being are indications for delivery at any gestational age. Neuraxial analgesia and anesthesia are, in the absence of thrombocytopenia, strongly considered as first line anesthetic techniques in preeclamptic patients. Airway edema and tracheal intubation-induced elevation in blood pressure are important issues of general anesthesia in those patients. The major adverse outcomes associated with preeclampsia are related to maternal central nervous system hemorrhage, hepatic rupture, and renal failure. Preeclampsia is also a risk factor for developing cardiovascular disease later in life, and therefore mandates long-term follow-up.
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Emergency cross-cover of surgical specialties: Consensus recommendations by the Association of Surgeons in Training. Int J Surg 2013; 11:584-8. [DOI: 10.1016/j.ijsu.2013.09.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2013] [Accepted: 09/22/2013] [Indexed: 10/26/2022]
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