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Stratification epidemiology

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https://www.readbyqxmd.com/read/28819775/sublobar-resection-versus-lobectomy-in-patients-aged-%C3%A2-35%C3%A2-years-with-stage-ia-non-small-cell-lung-cancer-a-seer-database-analysis
#1
Chang Gu, Rui Wang, Xufeng Pan, Qingyuan Huang, Yangyang Zhang, Jun Yang, Jianxin Shi
PURPOSE: Sublobar resection has been increasingly adopted in elderly patients with stage IA non-small cell lung cancer (NSCLC), but the equivalency of sublobar resection versus lobectomy among young patients with stage IA NSCLC is unknown. METHODS: Using the Surveillance, Epidemiology, and End Results (SEER) registry, we identified patients aged ≤35 years who were diagnosed between 2004 and 2013 with pathological stage IA NSCLC and treated with sublobar resection or lobectomy...
August 17, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28800668/-epidemiology-risk-factors-and-risk-stratification-of-venous-thromboembolism-in-pregnancy-and-the-puerperium
#2
Panagiotis Tsikouras, Georg-Friedrich von Tempelhoff, Werner Rath
Venous thromboembolism (VTE) remains a leading cause of direct maternal deaths in the developed countries. The incidence of VTE has increased significantly during the past two decades. The absolute risk of VTE is estimated 0.6-2.2 per 1000 deliveries. Compared with age-matched non-pregnant women, the daily risk of VTE is increased 7- to 10-fold for antepartum VTE, but it is 15- to 35-fold for postpartum VTE. The incidence of pulmonary embolism (PE) during the first 6 weeks postpartum is nearly 15-fold higher compared to the incidence in pregnancy, and remains significantly increased up to 12 weeks postpartum...
August 2017: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/28794391/labor-factor-barriers-to-seeking-medical-services-among-metropolitan-workers-a-cross-sectional-analysis-by-sex-using-the-j-shine-study
#3
Liying Pei, Satoshi Toyokawa, Yasuki Kobayashi
OBJECTIVES: There is limited evidence on the relationship between labor factors and the decision to refrain from seeking medical services. This study aimed to examine how labor factors are related to medical service access among male and female workers in Tokyo and surrounding areas. METHODS: We used data from 4,385 respondents to the survey in the Japanese Study on Stratification, Health, Income, and Neighborhood (J-SHINE), an ongoing epidemiologic household panel study...
August 8, 2017: Journal of Occupational Health
https://www.readbyqxmd.com/read/28776604/the-role-of-diet-physical-activity-body-fatness-and-breastfeeding-in-breast-cancer-in-young-women-epidemiological-evidence
#4
I Isabelle Romieu, A Amadou, V Chajes
The incidence of breast cancer (BC) is rising worldwide, with an increase in aggressive neoplasias in young women. Traditionally, BC in young women has been thought to be etiologically driven, primarily by genetic/hereditary factors. However, these factors explain only a small proportion of BCs, pointing to a role of the environment. Suspected factors responsible for this increase include lifestyle changes, notably alcohol consumption, diet with high intake of refined carbohydrates and saturated fat and low intake of polyunsaturated fatty acids (PUFA), fiber and vitamins (such as folate, vitamin D, and carotenoids), low physical activity, and body fatness, all of which may act from childhood and adolescent years through adulthood...
July 2017: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
https://www.readbyqxmd.com/read/28776115/social-justice-epidemiology-and-health-inequalities
#5
Michael Marmot
A lifetime spent studying how social determinants of health lead to health inequalities has clarified many issues. First is that social stratification is an appropriate topic of study for epidemiologists. To ignore it would be to ignore a major source of variation in health in society. Not only is the social gradient in health appropriate to study but we have made progress both in understanding its causes and what can be done to address them. Post-modern 'critical theory' raises questions about the social construction of science...
August 3, 2017: European Journal of Epidemiology
https://www.readbyqxmd.com/read/28774406/natural-history-of-acute-and-chronic-hepatitis-b-the-role-of-hbv-genotypes-and-mutants
#6
REVIEW
Chih-Lin Lin, Jia-Horng Kao
Molecular epidemiologic studies reveal remarkable differences in the geographical distribution of hepatitis B virus (HBV) genotypes. The frequency of mutants among HBV genotypes also varies. The role of HBV genotypes/mutants in the pathogenesis of HBV infection and natural history of HBV infection has been extensively investigated. The distribution of HBV genotypes in acute hepatitis B patients reflects the predominant genotypes in a given geographic area. In chronic hepatitis B patients, genotype C and D have a higher frequency of basal core promoter A1762T/G1764A mutations than genotype A and B...
June 2017: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/28759460/management-of-benign-ovarian-lesions-in-girls-a-trend-toward-fewer-oophorectomies
#7
Dani O Gonzalez, Peter C Minneci, Katherine J Deans
PURPOSE OF REVIEW: The management of benign ovarian lesions in girls is currently a controversial topic in the pediatric surgical literature. The purpose of this review is to highlight the epidemiology of benign ovarian masses, outline preoperative risk stratification strategies, review the indications and importance of ovary-sparing surgery (OSS), and discuss the impact of management algorithms. RECENT FINDINGS: Efforts across the United States and Canada to promote OSS have improved awareness about the role and safety of OSS for the management of benign ovarian masses in pediatric and adolescent girls...
July 29, 2017: Current Opinion in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28755494/breastfeeding-is-associated-with-a-decreased-risk-of-childhood-asthma-exacerbations-later-in-life
#8
Fariba Ahmadizar, Susanne J H Vijverberg, Hubertus G M Arets, Anthonius de Boer, Johan Garssen, Aletta D Kraneveld, Anke H Maitland-van der Zee
BACKGROUND: Breastfeeding has been suggested to influence the risk of asthma and asthma severity in children. However, the conclusions from epidemiological studies are inconsistent. METHODS: We used data from 960 children (aged 4-12 years) using regular asthma medication who participated in the PACMAN study. Breastfeeding exposure was based on questionnaire data and stratified into: 1) ever versus never, and 2) ≥6 versus <6 months duration of breastfeeding...
July 29, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/28749854/risk-stratification-in-pediatric-acute-respiratory-distress-syndrome-a-multicenter-observational-study
#9
Judith Ju-Ming Wong, Huu Phuc Phan, Suwannee Phumeetham, Jacqueline Soo May Ong, Yek Kee Chor, Suyun Qian, Rujipat Samransamruajkit, Nattachai Anantasit, Chin Seng Gan, Feng Xu, Rehena Sultana, Tsee Foong Loh, Jan Hau Lee
OBJECTIVES: The Pediatric Acute Lung Injury Consensus Conference developed a pediatric specific definition for acute respiratory distress syndrome (PARDS). In this definition, severity of lung disease is stratified into mild, moderate, and severe groups. We aim to describe the epidemiology of patients with PARDS across Asia and evaluate whether the Pediatric Acute Lung Injury Consensus Conference risk stratification accurately predicts outcome in PARDS. DESIGN: A multicenter, retrospective, descriptive cohort study...
July 26, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28741051/a-nationwide-prospective-cohort-study-of-patients-with-advanced-chronic-kidney-disease-in-japan-the-reach-j-ckd-cohort-study
#10
Junichi Hoshino, Kei Nagai, Hirayasu Kai, Chie Saito, Yukiko Ito, Koichi Asahi, Masahide Kondo, Kunitoshi Iseki, Chiho Iseki, Hirokazu Okada, Naoki Kashihara, Ichiei Narita, Takashi Wada, Christian Combe, Ronald L Pisoni, Bruce M Robinson, Kunihiro Yamagata
BACKGROUND: Epidemiology and outcomes of Japanese patients with advanced chronic kidney disease (CKD)-an estimated glomerular filtration rate (eGFR) < 45 ml/min/1.73 m(2)-has remained largely unexamined. METHODS: We conducted a nationwide survey to determine the distribution of Japanese CKD patients, and are conducting a cohort study of these patients. A questionnaire eliciting details about facilities and their CKD practices was sent to all clinics/hospitals with nephrologists...
July 24, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28734709/worldwide-fracture-prediction
#11
Ghada El-Hajj Fuleihan, Marlene Chakhtoura, Jane A Cauley, Nariman Chamoun
The substantial increase in the burden of non-communicable diseases in general and osteoporosis in particular, necessitates the establishment of efficient and targeted diagnosis and treatment strategies. This chapter reviews and compares different tools for osteoporosis screening and diagnosis; it also provides an overview of different treatment guidelines adopted by countries worldwide. While access to dual-energy X-ray absorptiometry to measure bone mineral density (BMD) is limited in most areas in the world, the introduction of risk calculators that combine risk factors, with or without BMD, have resulted in a paradigm shift in osteoporosis screening and management...
July 19, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28724417/examining-the-role-of-unmeasured-confounding-in-mediation-analysis-with-genetic-and-genomic-applications
#12
Sharon M Lutz, Annie Thwing, Sarah Schmiege, Miranda Kroehl, Christopher D Baker, Anne P Starling, John E Hokanson, Debashis Ghosh
BACKGROUND: In mediation analysis if unmeasured confounding is present, the estimates for the direct and mediated effects may be over or under estimated. Most methods for the sensitivity analysis of unmeasured confounding in mediation have focused on the mediator-outcome relationship. RESULTS: The Umediation R package enables the user to simulate unmeasured confounding of the exposure-mediator, exposure-outcome, and mediator-outcome relationships in order to see how the results of the mediation analysis would change in the presence of unmeasured confounding...
July 19, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28723493/proteinuria-in-patients-undergoing-renal-cancer-surgery-impact-on-overall-survival-and-stability-of-renal-function
#13
Zhiling Zhang, Juping Zhao, Joseph Zabell, Erick Remer, Jianbo Li, Jack Campbell, Wen Dong, Diego Aguilar Palacios, Tulsi Patel, Sevag Demirjian, Steven C Campbell
BACKGROUND: Proteinuria is included in the Kidney Disease: Improving Global Outcomes (KDIGO) risk stratification for chronic kidney disease (CKD) in the general population. However, the importance of proteinuria in patients with renal cancer has not been adequately studied. OBJECTIVE: To evaluate the prognostic impact of preoperative proteinuria on overall survival (OS) and renal function stability (RFS) for patients managed with renal cancer surgery. DESIGN, SETTING, AND PARTICIPANTS: From 1999 to 2008, 977 patients who underwent renal cancer surgery had preoperative data recorded for the glomerular filtration rate (GFR) estimated using the CKD Epidemiology Collaboration equation (G1 ≥90, G2 60-89, G3a 45-59, G3b 30-44, G4 15-29, and G5 <15ml/min/1...
December 15, 2016: European Urology Focus
https://www.readbyqxmd.com/read/28717119/nephron-sparing-surgery-has-better-oncologic-outcomes-than-extirpative-nephrectomy-in-t1a-but-not-in-t1b-or-t2-stage-renal-cell-carcinoma
#14
You Luo, San-San Chen, Liang Bai, Li Luo, Xiang-Guang Zheng, Sen Wang
BACKGROUND The aim of this study was to investigate the benefit of nephron sparing surgery (NSS) compared with extirpative nephrectomy in different tumor stages of renal cell carcinoma. MATERIAL AND METHODS We reviewed the Surveillance, Epidemiology and End Results (SEER) database for NSS and extirpative nephrectomy in localized (stages T1-2N0M0) renal cell carcinoma diagnosed after 2004. We used the variable screening function of the SEER database to identified 55,947 cases that met inclusion and exclusion criteria for survival analysis...
July 18, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28712791/radiotherapy-for-stage-i-and-ii-testicular-seminomas-secondary-malignancies-and-survival
#15
Hiten D Patel, Arnav Srivastava, Ridwan Alam, Gregory A Joice, Zeyad R Schwen, Alice Semerjian, Mohamad E Allaf, Phillip M Pierorazio
INTRODUCTION: Testicular seminoma affects relatively young men with excellent survival outcomes. There has been increasing concern that radiotherapy (RT) leads to secondary malignant neoplasms (SMNs) and subsequent mortality. We evaluated the effect of RT on incidence of SMNs and quantified cancer-related mortality and other causes of death for patients with stage I and II testicular seminoma. MATERIAL AND METHODS: A national sample of men (1988-2013) diagnosed with stage IA/IB/IS/IIA/IIB/IIC testicular seminomas from Surveillance, Epidemiology, and End Results were evaluated...
July 13, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28710972/epidemiology-diagnosis-prevention-and-treatment-of-catheter-related-thrombosis-in-children-and-adults
#16
REVIEW
Lisa Baumann Kreuziger, Julie Jaffray, Marc Carrier
In this narrative review, the epidemiology, diagnosis, prevention strategies, and management of catheter-related thrombosis are outlined. Central venous catheters have significantly improved the quality of life of patients requiring chemotherapy, parenteral nutrition, and chronic transfusions. Catheter-related thrombosis (CRT) complicates between 1-5% of inserted catheters, with incidence varying between patient population, catheter type, and vein cannulated. Strategies to prevent CRT, including anticoagulation and locking solutions, have largely been ineffective...
July 4, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28696807/association-between-polycystic-ovary-syndrome-and-the-risk-of-stroke-and-all-cause-mortality-insights-from-a-meta-analysis
#17
Yaqiong Zhou, Xiaoyun Wang, Yongrong Jiang, Honglan Ma, Li Chen, Chenglin Lai, Chunrong Peng, Caiyun He, Chaofeng Sun
Many epidemiologic literatures have investigated the link between PCOS and long-term stroke risk and all-cause mortality, but the results are surprisingly conflicting. A meta-analysis was performed to examine the link between polycystic ovary syndrome (PCOS) and the risk of stroke, death from any cause, and assessed whether BMI might explain a higher risk of stroke. We searched the PUBMED, EMBASE, and Cochrane Library databases with no restrictions. Nine Cohort studies were identified, involving a total of 237,647 subjects...
July 11, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28684034/present-and-past-perspectives-on-clostridium-difficile-infection
#18
D A Álvarez-Hernández, A M González-Chávez, D González-Hermosillo-Cornejo, G A Franyuti-Kelly, A Díaz-Girón-Gidi, R Vázquez-López
Clostridium difficile is a Gram-positive bacillus that has become one of the main hospital-acquired human gastrointestinal infections in recent years. Its incidence is on the rise, involving more virulent strains, affecting new and previously uncontemplated groups of patients, and producing changes in clinical presentation and treatment response that influence disease outcome. Early diagnosis and disease stratification based on the severity of C.difficile infection are essential for therapeutic management and the implementation of containment measures...
July 3, 2017: Revista de Gastroenterología de México
https://www.readbyqxmd.com/read/28668492/epidemiology-and-risk-factors-for-invasive-fungal-diseases-among-allogeneic-hematopoietic-stem-cell-transplant-recipients-in-korea-results-of-risk-study
#19
Jae-Ki Choi, Sung-Yeon Cho, Sung-Soo Yoon, Joon-Ho Moon, Sung-Han Kim, Je-Hwan Lee, Jin Seok Kim, June-Won Cheong, Jun-Ho Jang, Bo-Jeong Seo, Young-Joo Kim, Hye-Jung Lee, Juneyoung Lee, Jong Wook Lee, Dong-Gun Lee
Incidence, epidemiology, and risk factors of invasive fungal diseases (IFDs) in allogeneic hematopoietic stem cell transplant (allo-HSCT) recipients can vary from different cohorts and countries. Therefore, we performed a nationwide study to establish a proper antifungal prophylaxis strategies based on risk stratifications of IFDs after all-HSCT in Korea (RISK study). This was a multicenter, retrospective, and observational study in Korea. All consecutive adult patients who received allo-HSCT in 2013 were included...
June 28, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28667063/translational-science-in-chronic-kidney-disease
#20
REVIEW
Maria Dolores Sanchez-Niño, Ana B Sanz, Adrian M Ramos, Marta Ruiz-Ortega, Alberto Ortiz
The KDIGO definition of chronic kidney disease (CKD) allowed a more detailed characterization of CKD causes, epidemiology and consequences. The picture that has emerged is worrisome from the point of view of translation. CKD was among the fastest growing causes of death in the past 20 years in age-adjusted terms. The gap between recent advances and the growing worldwide mortality appears to result from sequential roadblocks that limit the flow from basic research to clinical development (translational research type 1, T1), from clinical development to clinical practice (translational research T2) and result in deficient widespread worldwide implementation of already available medical advances (translational research T3)...
July 15, 2017: Clinical Science (1979-)
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