Discordance between humoral and cellular immune responses to cytomegalovirus infection in CMV seropositive patients awaiting lung transplantation by Meritxell Boada-Pérez, Meritxell Boada-Pérez, Meritxell Boada-Pérez, Cristina Berastegui, Cristina Berastegui, Cristina Berastegui, Marta Erro, Marta Erro, Piedad Ussetti, Elena Crespo, Elena Crespo, Laura Donadeu, Laura Donadeu, Oriol Bestard, Oriol Bestard, Oriol Bestard, Gabriel Anguera, Amparo Solé, Ricardo Ponz Mir, Brian Molloy, Eva Revilla-López, Eva Revilla-López, Víctor Monforte, Víctor Monforte, Víctor Monforte, Susana Gómez-Ollés, Susana Gómez-Ollés, Susana Gómez-Ollés

“…The significance of this observation in LT is still unknown.MethodsThis prospective, multicenter, observational study evaluated the agreement between CMV IgG serology and specific cell-mediated response (specific T cell Enzyme-Linked ImmunoSpot Assay, ELISPOT, against CMV pp65 and IE-1 antigens) in 121 patients on the waiting list for LT.ResultsOne hundred and four (86%) patients were seropositive for CMV. …”
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Assessment of photoreceptor recovery and visual function utilizing adaptive optics and microperimetry in patients with surgically closed macular holes by Yuanyuan Liu, Xueli Yang, Wei Zhou, Jinguo Yu, Song Chen, Tiangeng He, Caiyun You, Xiangda Meng, Mengyu Liao, Yi Lei, Hua Yan

“…Methods: We conducted a retrospective observational study of 31 eyes of 28 patients who underwent vitrectomy with internal limiting membrane (ILM) peeling to treat idiopathic MHs. …”
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Bio-impedancemetry an essential tool in the obesity screening of patients with chronic renal failure [La bio-impédancemétrie un outil indispensable dans le dépistage de l’obésité c... by Samia BOUDANI, Faiza ZERDOUMI, Naouel FZ. BOUMANSOUR, Abbou KADDOUS, Bachir M. GUELLIL

“…This was a descriptive observational study on 125 patients with CKD before the stage of dialysis, meeting the study eligibility criteria. …”
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Use of a specialized peptide-based enteral formula containing medium-chain triglycerides for enteral tube feeding in children with cerebral palsy and previous tube feeding intolera... by Aydan Kansu, Gunsel Kutluk, Gonul Caltepe, Cigdem Arikan, Nafiye Urganci, Gokhan Tumgor, Aysel Yuce, Ceyda Tuna Kirsaclioglu, Arzu Meltem Demir, Fatma Demirbas, Merve Usta, Sibel Yavuz, Duygu Demirtas Guner, Ersin Gumus, Buket Dalgic, Yasar Dogan, Nelgin Gerenli, Halil Kocamaz, Fulya Gulerman, Elif Sag, Aysugul Alptekin Sarioglu, Neslihan Eksi Bozbulut, Demet Teker Duztas, Hatice Altug Demirol, Coskun Celtik, Olcay Gungor, Kaan Demiroren, Aysen Uncuoglu Aydogan, Ozlem Bekem, Zeynep Arslan, Murat Cakir, Arzu Ekici, Nihal Uyar Aksu, Cigdem Ecevit, Simge Erdogan

“…This study aimed to evaluate the utility of enteral tube feeding via specialized peptide-based formula containing MCTs in children with CP in terms of gastrointestinal intolerance, anthropometrics, defecation characteristics and parental satisfaction with enteral formula.MethodsChildren with CP who received enteral tube feeding via specialized peptide-based formula containing MCTs were included in this prospective observational study. Anthropometrics (z scores for weight for age [WFA], weight for height [WFH], triceps skinfold thickness [TSFT] and mid-upper arm circumference [MUAC]), gastrointestinal intolerance symptoms, defecation frequency and stool patterns and formula satisfaction were recorded at baseline and during 6-month follow up.ResultsA total of 96 children with CP (mean ± SD age: 5.6 ± 3.2 years, 56.3% were boys) were included. …”
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Inflammatory rheumatic diseases with onset after SARS-CoV-2 infection or COVID-19 vaccination: a report of 267 cases from the COVID-19 and ASD group by Laura Massaro, Annamaria Iagnocco, Florenzo Iannone, Corrado Campochiaro, Maria De Santis, Ilaria Cavazzana, Piero Ruscitti, Roberto Giacomelli, Rosario Foti, Lorenzo Dagna, Giovanna Cuomo, Giacomo De Luca, Francesco Caso, Ilenia Di Cola, Clodoveo Ferri, Vincenzo Raimondo, Francesco Ursini, Veronica Brusi, Giuseppe Varcasia, Roberta Pellegrini, Domenico Olivo, Giuseppe Murdaca, Carlo Selmi, Olga Addimanda, Erika Pigatto, Francesca Francioso, Rossella De Angelis, Jacopo Ciaffi, Luana Mancarella, Marcella Visentini, Francesca Motta, Virginia Caira, Alberto Lo Gullo, Caterina Naclerio, Elena Marchetti, Sebastiano Lorusso, Jessica Luppino, Roberta Foti, Massimo Reta

“…Objectives To better define the spectrum of new-onset post-COVID-19 and post-COVID-19 vaccine inflammatory rheumatic diseases (IRD) from a large multicentric observational study.Methods Consecutive cases of IRD encountered during a 12-month period and satisfying one of the following inclusion criteria: (a) onset of the rheumatic manifestations within 4 weeks from SARS-CoV-2 infection or (b) onset of the rheumatic manifestations within 4 weeks from the administration of one of the COVID-19 vaccines ws recruited.Results The final analysis cohort comprised 267 patients, of which 122 (45.2%) in the post-COVID-19 and 145 (54.8%) in the postvaccine cohort. …”
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Unexpected identification of peak systolic velocity in the radial artery as a risk factor for functional primary patency of radiocephalic fistulas by Rui Cong, Songxiu Li, Shasha Shi

“…Methods: This prospective observational study included consecutive patients referred to the Second Hospital of Dalian Medical University for initial creation of radiocephalic fistula from July 2017 to December 2019. …”
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Clinicians’ user experience with health information exchange technologies during simulated medication reconciliation by Himalaya Patel, April Savoy, Steven L. Sanchez, Morgan Traylor, Khoa A. Nguyen, Kenneth S. Boockvar, Vincent S. Fan, Emily R. Locke, Bryan Gibson, Amanda S. Mixon, Susan H. Byerly, David A. Haggstrom, Teresa M. Damush, Michael Weiner, Alissa L. Russ-Jara

“…Methods: Our simulation-based observational study included three successive generations of HIE technologies used in the U.S. …”
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Connecting The Dots: The Impact Of Subclinical Hypothyroidism On Female Subfertility And Obesity by Naila Ashfaq, Warda Hussain, Mugheera Hussain, Neelam Saba, Asma Muddasir, Jawairiah Liaqat

“…Study of thyroid function in pregnancy, its feto-maternal outcome; a prospective observational study. BMC pregnancy and childbirth. 2020;20(1):1-7…”
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Comparative Ethics of Modern Payment Models by Jacob Riegler

“…Recorded quality of primary care for patients with diabetes in England before and after the introduction of a financial incentive scheme: A longitudinal observational study. BMJ Qual Saf. 2013;22(1):53-64. doi:10.1136/bmjqs-2012-001033 [3] Linzer M, Bitton A, Tu SP, Plews-Ogan M, Horowitz KR, Schwartz MD. …”
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Observational research in epidemic settings: a roadmap to reform by Marc Lipsitch, Nicholas Evans, Alexandra L Phelan, Stephany N Duda, Annette Rid, Colin J Carlson, Jennifer B Rosen, Natalie E Dean, John Barugahare, Maya B Mathur, Emily E Ricotta, Fausto A Bustos Carrillo, Samuel Angelli-Nichols, Adia Benton, Emma Chang-Rabley, Lisa Federer, Mary-Margaret A Fill, Elizabeth C LeRoy, Natalie M Linton, Lauren Sauer, Sheena G Sullivan, Mackenzie Zendt

“…Observational studies are critical tools in clinical research and public health response, but challenges arise in ensuring the data produced by these studies are scientifically robust and socially valuable. …”
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JAK2 V617F as a Marker for Long-Term Disease Progression and Mortality in Polycythemia Vera and its Role in Economic Modeling by Jonas Hjelmgren, Kristoffer Nilsson, Gunnar Birgegård

“…**Methods:** Long-term observational studies that include information about baseline JAK2 burden were identified via PubMed searches and used to validate the model. …”
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Mendelian randomization analysis does not support a causal influence between lipoprotein(A) and immune-mediated inflammatory diseases by Yun Ti, Dan Xu, Xiaoning Qin, Yang Hu, Yuru Xu, Qingzhao Zhao, Peili Bu, Jingyuan Li

“…Abstract Observational studies have reported an association between lipoprotein(a) (Lp(a)) and immune-mediated inflammatory diseases (IMIDs). …”
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Protocol for the development of a reporting guideline for causal and counterfactual prediction models in biomedicine by Yi Guo, Hua Xu, Fei Wang, Jie Xu, Jiang Bian, Robert Lucero, Mattia Prosperi

“…Introduction While there are guidelines for reporting on observational studies (eg, Strengthening the Reporting of Observational Studies in Epidemiology, Reporting of Studies Conducted Using Observational Routinely Collected Health Data Statement), estimation of causal effects from both observational data and randomised experiments (eg, A Guideline for Reporting Mediation Analyses of Randomised Trials and Observational Studies, Consolidated Standards of Reporting Trials, PATH) and on prediction modelling (eg, Transparent Reporting of a multivariable prediction model for Individual Prognosis or Diagnosis), none is purposely made for deriving and validating models from observational data to predict counterfactuals for individuals on one or more possible interventions, on the basis of given (or inferred) causal structures. …”
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Physical Activity in Hospitalised Stroke Patients by Tanya West, Julie Bernhardt

“…We systematically reviewed the literature for observational studies describing the physical activity of stroke patients. …”
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Skipping Breakfast Is Associated with Hypertension in Adults: A Meta-Analysis by Zishuo Li, Hongli Li, Qin Xu, Yanli Long

“…A total of six observational studies with 14189 adults were included, and 3577 of them were breakfast skippers. …”
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Quality of Life in Psoriasis: A Cross-Sectional Study from North India by Khushboo Arora, Neirita Hazarika, Ranjeeta Kumari, Himanshu Chawla

“…The STROBE (Strengthening the Reporting of Observational Studies in Epidemiology) guidelines for observational studies were followed. …”
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A Systematic Overview of the Measurement Properties of the Chronic Respiratory Questionnaire by Yves Lacasse, Eric Wong, Gordon Guyatt

“…The authors examined the measurement properties of a disease-specific HRQL questionnaire, the Chronic Respiratory Questionnaire (CRQ), when used by independent investigators in clinical trials and observational studies.…”
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HIV-Infected Individuals Do Not Present Significant Differences regarding Periodontal Status: A Systematic Review and Meta-Analysis by Lucas Ribeiro Teixeira, Diana Estefania Ramos Peña, Leticia Rodrigues de Castro, Márcia dos Santos, Maria da Conceição Pereira Saraiva, Fernando Chahud, Bruno Pozzetto, Alan Grupioni Lourenço, Ana Carolina Fragoso Motta

“…Results. Twenty-three observational studies met the eligibility criteria and were included for analysis. …”
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Biosynthetic mesh in hernia repair: A systematic review and meta-analysis by Iyad S. Al-Bustami, Thomas Clements, Dalya Ferguson, Alamin Harmouch, Oscar A. Olavarria, Julie L. Holihan

“…The Strengthening the Reporting of Observational Studies in Epidemiology checklist was utilized to assess study quality. …”
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Protocol of a scoping review of systematic reviews and meta-analyses about COVID-19 vaccines and associated adverse events from vaccination. by Shelly Melissa Pranić, Lenny T Vasanthan, Jacqueline Y Thompson, Vinayak Mishra, Pratyush Kumar, Roshan Arjun Ananda, Narges Malih, Ka-King Chan

“…We will include systematic reviews, meta-analyses, or both of randomized controlled trials and observational studies and exclude individual randomized controlled trials and observational studies. …”
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