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Gonzalo Ignacio Neumann Burotto

Profesor Asociado

Universidad San Sebastián

Santiago, Chile

Guías de práctica clínica; Revisiones Sistemáticas; Medicina Basada en Evidencias

Health Research Methodology, MCMASTER UNIVERSITY. Canada, 2014

Profesor Asistente Full Time

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Medicina

Santiago, Chile

2012 - 2018
Profesor Asociado Full Time

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Medicina

Santiago, Chile

2018 - 2022
Profesor Asociado Full Time

UNIVERSIDAD SAN SEBASTIAN

Medicina

Santiago, Chile

2022 - 2022


A guide for health professionals to interpret and use recommendations in guidelines developed with the GRADE approach Neumann, I; Santesso, N; Rind, DM; Agoritsas, T; Mustafa, RA Article ISI SCOPUS JOURNAL OF CLINICAL EPIDEMIOLOGY (2016)
A number of factors explain why WHO guideline developers make strong recommendations inconsistent with GRADE guidance Alexander, PE; Gionfriddo, MR; Li, SA; Bero L.; Stoltzfus, RJ; Neumann, I; Brito, JP; Djulbegovic, B; Montori, VM; Norris, SL; et al. Article ISI SCOPUS JOURNAL OF CLINICAL EPIDEMIOLOGY (2016)
Do clinicians understand the size of treatment effects? A randomized survey across 8 countries Johnston, BC; Alonso-Coello, P; Friedrich, JO; Neumann, I; Vandvik, PO; Akl, EA; da Costa, BR; Adhikari, NK; Dalmau, GM; Kosunen, E; et al. Article ISI SCOPUS CANADIAN MEDICAL ASSOCIATION JOURNAL (2016)
Improving GRADE evidence tables part 1: a randomized trial shows improved understanding of content in summary of findings tables with a new format Carrasco-Labra, A; Brignardello-Petersen, R; Santesso, N; Neumann, I; Mustafa, RA; Mbuagbaw, L; Etxeandia Ikobaltzeta I.; De Stio C.; Brozek, J. L.; Bossuyt, P; et al. Article ISI SCOPUS JOURNAL OF CLINICAL EPIDEMIOLOGY (2016)
Premature Discontinuation of Randomized Trials in Critical and Emergency Care: A Retrospective Cohort Study Schandelmaier S.; von Elm, E; You, JJ; Blumle, A; Tomonaga Y.; Lamontagne, F; Saccilotto, R; Amstutz A.; Bengough T.; Meerpohl, JJ; et al. Article ISI SCOPUS CRITICAL CARE MEDICINE (2016)
Senior GRADE methodologists encounter challenges as part of WHO guideline development panels: an inductive content analysis Alexander, PE; Li, SA; Gionfriddo, MR; Stoltzfus, RJ; Neumann, I; Brito, JP; Djulbegovic, B; Montori, VM; Schünemann, HJ; Guyatt, GH Article ISI SCOPUS JOURNAL OF CLINICAL EPIDEMIOLOGY (2016)
Women's values and preferences and health state valuations for thromboprophylaxis during pregnancy: A cross-sectional interview study Tikkinen K.A.O.; Ebrahim S.; Zhou, Q; Neumann, I; Zhang, Y; Bitar W.; Eckman M.H. Article ISI SCOPUS THROMBOSIS RESEARCH (2016)
World Health Organization strong recommendations based on low-quality evidence (study quality) are frequent and often inconsistent with GRADE guidance Neumann, I; Bero L.; Djulbegovic, B; Stoltzfus R. Article ISI SCOPUS JOURNAL OF CLINICAL EPIDEMIOLOGY (2016)
A practical approach to evidence-based dentistry: VII How to use patient management recommendations from clinical practice guidelines Carrasco Labra, A; Brignardello Petersen, R; Glick, M; Guyatt, GH; Neumann, I; Azarpazhooh A. Article ISI SCOPUS Journal of the American Dental Association (2015)
American Gastroenterological Association Institute Technical Review on the Management of Acute Diverticulitis Strate, LL; Peery, AF; Neumann, I Article ISI SCOPUS Gastroenterology (2015)
Completion and Publication Rates of Randomized Controlled Trials in Surgery An Empirical Study Rosenthal, R; Kasenda B.; Dell-Kuster, S; von Elm, E; You, J; Bluemle, A; Tomonaga Y.; Saccilotto, R; Amstutz A.; Bengough T.; et al. Article ISI SCOPUS Annals of Surgery (2015)
Decision-Making about Healthcare Related Tests and Diagnostic Strategies: User Testing of GRADE Evidence Tables Wiercioch, W; Santesso, N; Cheung, A; Prediger, B; Baldeh, T; Carrasco Labra, A; Brignardello Petersen, R; Neumann, I; Bossuyt, P; Garg, AX; et al. Article ISI SCOPUS PLOS ONE (2015)
Effect of CYP3A5*3 on kidney transplant recipients treated with tacrolimus: a systematic review and meta-analysis of observational studies Rojas, L; Neumann, I; Herrero, MJ; Boso, V; Reig, J; Poveda, JL; Megias, J; Bea S.; Alino, SF Article ISI SCOPUS Pharmacogenomics Journal (2015)
Handling trial participants with missing outcome data when conducting a meta-analysis: A systematic survey of proposed approaches Agoritsas, T; Brignardello-Petersen, R; Carrasco-Labra, A; Ebrahim S.; Neumann, I; Solà, I; Sun, X; Vandvik, P; Zhang, Y; Guyatt, G Article SCOPUS Systematic Reviews (2015)
Planning and reporting of quality-of-life outcomes in cancer trials Schandelmaier S.; Conen K.; von Elm, E; You J. J.; Tomonaga Y.; Amstutz A.; Briel, M; Kasenda B.; Saccilotto, R; Bengough T.; et al. Article SCOPUS Annals of Oncology (2015)
Reporting missing participant data in randomised trials: systematic survey of the methodological literature and a proposed guide Akl, EA; Shawwa, K; Kahale, LA; Agoritsas, T; Brignardello Petersen, R; Busse, JW; Carrasco Labra, A; Ebrahim S.; Johnston, BC; Neumann, I; et al. Article ISI SCOPUS BMJ Open (2015)
Women's Values and Preferences for Thromboprophylaxis during Pregnancy: A Comparison of Direct-choice and Decision Analysis using Patient Specific Utilities Alonso-Coello, P; Guyatt, GH; Ebrahim S.; Lopes, LC; Neumann, I; McDonald, SD; Zhang, YQ; Zhou, Q; Akl, EA; Jacobsen, AF; et al. Article ISI SCOPUS Thrombosis Research (2015)
Considering intellectual, in addition to financial, conflicts of interest proved important in a clinical practice guideline: a descriptive study Akl, EA; El-Hachem, P; Abou-Haidar, H; Neumann, I; Schünemann, HJ; Guyatt, GH Article ISI SCOPUS JOURNAL OF CLINICAL EPIDEMIOLOGY (2014)
Correction: A methodological survey of the analysis, reporting and interpretation of Absolute Risk ReductiOn in systematic revieWs (ARROW): A study protocol Carrasco-Labra, A; Brignardello-Petersen, R; Neumann, I; Sun, X; Briel, M; Glujovsky D.; Iorio, A; Irfan A.; García, LM; Mustafa, RA; et al. Article SCOPUS Systematic Reviews (2014)
Guidelines 2.0: systematic development of a comprehensive checklist for a successful guideline enterprise Schünemann, HJ; Wiercioch, W; Etxeandia, I; Falavigna, M; Santesso, N; Mustafa, R; Ventresca M.; Brignardello Petersen, R; Laisaar, KT; Kowalski, S; et al. Article ISI SCOPUS CANADIAN MEDICAL ASSOCIATION JOURNAL (2014)
Impact of missing participant data for dichotomous outcomes on pooled effect estimates in systematic reviews: A protocol for a methodological study Agarwal, A; Al-Matari N.; Ebrahim S.; Briel, M; Brignardello-Petersen, R; Diab, B; Iorio, A; Kwong, J; Li, L; Mustafa, R; et al. Article SCOPUS Systematic Reviews (2014)
Prevalence, Characteristics, and Publication of Discontinued Randomized Trials Kasenda B.; von Elm, E; You, J; Blumle, A; Tomonaga Y.; Saccilotto, R; Amstutz A.; Bengough T.; Meerpohl, JJ; Stegert M.; et al. Article ISI SCOPUS JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION (2014)
Shorter or longer anticoagulation to prevent recurrent venous thromboembolism: systematic review and meta-analysis Lopes, LC; Eikelboom, J; Spencer, FA; Akl, EA; Kearon, C; Neumann, I; Schulman, S; Bhatnagar, N; Guyatt, G Article ISI SCOPUS BMJ OPEN (2014)
The GRADE system: a change in the way of assessing the quality of evidence and the strength of recommendations Neumann, I; Pantoja, T; Peñaloza, B; Cifuentes, L; Rada, G Article ISI REVISTA MEDICA DE CHILE (2014)
A methodological survey of the analysis, reporting and interpretation of Absolute Risk ReductiOn in systematic revieWs (ARROW): A study protocol Carrasco-Labra, A; Brignardello-Petersen, R; Neumann, I; Sun, X; Briel, M; Glujovsky D.; Iorio, A; Irfan A.; GarcÃa L.M.; Mustafa, RA; et al. Article SCOPUS Systematic Reviews (2013)
Experiences With a Novel Policy for Managing Conflicts of Interest of Guideline Developers A Descriptive Qualitative Study Neumann, I; Karl, R; Rajpal, A; Akl, EA; Guyatt, GH Article ISI SCOPUS Chest (2013)
Low Anonymous Voting Compliance With the Novel Policy for Managing Conflicts of Interest Implemented in the 9th Version of the American College of Chest Physicians Antithrombotic Guidelines Neumann, I; Akl, EA; Valdes, M; Bravo, S; Araos S.; Kairouz, V; Schünemann, H; Guyatt, GH Article ISI SCOPUS Chest (2013)
Critically appraised article Neumann, I; Grassi, B Article ISI REVISTA MEDICA DE CHILE (2012)
Evaluating patient values and preferences for thromboprophylaxis decision making during pregnancy: a study protocol Alonso-Coello, P; Ebrahim S.; Tikkinen K.A.O.; Eckman M.H.; Neumann, I Article ISI SCOPUS BMC Pregnancy and Childbirth (2012)
Subgroup analysis: Do they help or mislead when interpreting study results? Candia, R; Rivera, S; Neumann, I Article ISI REVISTA MEDICA DE CHILE (2012)
Surrogate outcomes Neumann, I; Claro, JC Article ISI REVISTA MEDICA DE CHILE (2012)
Critical appraissal: Should atenolol be the first choice for primary hypertension? Carlberg B, Samuelsson O, Lindholm L. Atenolol in hypertension: is it a wise choice? Lancet 2004; 364 : 1684-89 Neumann, I; Montero, J Article ISI REVISTA MEDICA DE CHILE (2005)


Women's Values and Preferences: Decision Making about Thromboprophylaxis in Pregnancy Lopes, LC; Bates, SM; Alonso-Coello, P; Eckman, M; Neumann, I; Akl, EA; Jacobsen, AF; Zhang, YQ; Tikkinen, KA; Ebrahim S.; et al. Abstract ISI PHARMACOEPIDEMIOLOGY AND DRUG SAFETY (2015)
Making Decisions about Thromboprophylaxis in Pregnancy: Women's Values and Preferences Bates, SM; Alonso-Coello, P; Eckman, M; Tikkinen, KA; Ebrahim S.; Lopes, LC; McDonald, SD; Neumann, I; Zhang, YQ; Jacobsen, AF; et al. Abstract ISI BLOOD (2014)
EFFECT OF CYP3A5 GENOTYPE ON TACROLIMUS DOSE REQUIREMENT, NEPHROTOXICITY AND ACUTE REJECTION IN KIDNEY TRANSPLANTATION: A SYSTEMATIC REVIEW AND META-ANALYSIS OF OBSERVATIONAL STUDIES Rojas, L; Neumann, I; Herrero, MJ; Boso, V; Reig, J; Poveda, JL; Alino, SF Abstract ISI BASIC & CLINICAL PHARMACOLOGY & TOXICOLOGY (2013)
Dipeptidyl Peptidase-4 Inhibitors May Reduce the Risk of Major Adverse Cardiovascular Events and All-cause Mortality In Patients With Type 2 Diabetes: Meta-analyses Oof Randomized Controlled Trials Sun, X; Hazzan, AA; Bala M.; Russe, JW; Johnston, BC; Carrasco Labra, A; Jankowski, M; Neumann, I; Ferreira-Gonzaalez, I; Fernandez-Balsells, M; et al. Abstract ISI CIRCULATION (2012)


Outcomes intermedios Neumann, I; Juan Carlos Claro G.-A. Comentario SCIELO SCOPUS REVISTA MEDICA DE CHILE (2012)


SPOTLIGHT: PATIENT CENTRED CARE Decision aids that really promote shared decision making: the pace quickens Agoritsas, T; Heen A.F.; Brandt L.; Alonso-Coello, P; Kristiansen, A; Neumann, I; Tikkinen K.A.O.; van der Weijden T; Elwyn, G EditorialMaterial ISI SCOPUS BMJ-BRITISH MEDICAL JOURNAL (2015)


Planning and reporting of quality-of-life outcomes in cancer trials (vol 26, pg 1966, 2015) Schandelmaier S.; Conen K.; von Elm, E; You, JJ; Blumle, A; Tomonaga Y.; Saccilotto, R; Amstutz A.; Bengough T.; Meerpohl, JJ; et al. Errata ISI SCOPUS ANNALS OF ONCOLOGY (2016)


Toward trustworthy clinical practice guidelines: The Ministry of Health guideline for management of Influenza Neumann, I; Cifuentes, L Letter ISI REVISTA MEDICA DE CHILE (2012)


Análisis crítico de un artículo: La adición de antagonistas del receptor de angiotensina 2 al tratamiento con inhibidores de la enzima convertidora de angiotensina en pacientes con riesgo de enfermedad renal, aumenta la incidencia de falla renal y la necesidad de diálisis Neumann, I; Grassi, B PuntoDeVista SCIELO SCOPUS REVISTA MEDICA DE CHILE (2012)
Análisis de subgrupos: ¿Mejoran la interpretación de los resultados o nos inducen al error? Roberto C.B.; Rivera, S; Neumann, I PuntoDeVista SCIELO SCOPUS REVISTA MEDICA DE CHILE (2012)


Systematic reviews do not adequately report or address missing outcome data in their analyses: a methodological survey Kahale, LA; Diab, B; Agarwal, A; Kwong, J; Neumann, I; Lopes, LC; Briel, M; Busse, JW; Iorio, A; Vandvik, PO; et al. Review ISI SCOPUS JOURNAL OF CLINICAL EPIDEMIOLOGY (2018)
Systematic reviews experience major limitations in reporting absolute effects Carrasco-Labra, A; Brignardello-Petersen, R; Neumann, I; Vernooij, R. W. M.; Sun, X; Briel, M; Ebrahim S.; Iorio, A; Irfan A.; Martínez García L.; et al. Review ISI SCOPUS JOURNAL OF CLINICAL EPIDEMIOLOGY (2016)
Comparison between the standard and a new alternative format of the Summary-of-Findings tables in Cochrane review users: study protocol for a randomized controlled trial Carrasco Labra, A; Brignardello Petersen, R; Santesso, N; Neumann, I; Mbuagbaw, L; Ikobaltzeta, IE; De Stio C.; McCullagh, LJ; Alonso-Coello, P; Meerpohl, JJ; et al. Review ISI SCOPUS Trials (2015)
Reporting, handling and assessing the risk of bias associated with missing participant data in systematic reviews: a methodological survey Akl, EA; Carrasco Labra, A; Brignardello Petersen, R; Neumann, I; Johnston, BC; Sun, X; Briel, M; Busse, JW; Ebrahim S.; Granados, CE; et al. Review ISI SCOPUS BMJ Open (2015)
Anticoagulation for the initial treatment of venous thromboembolism in patients with cancer Akl, EA; Kahale L; Neumann, I; Barba M.Á.; Sperati, F; Terrenato, I; Muti, P; Schünemann, H Review ISI SCOPUS COCHRANE DATABASE OF SYSTEMATIC REVIEWS (2014)
Anticoagulation for the long-term treatment of venous thromboembolism in patients with cancer Akl, EA; Kahale L; Barba M.Á.; Neumann, I; Labedi, N; Terrenato, I; Sperati, F; Muti, P; Schünemann, H Review ISI SCOPUS COCHRANE DATABASE OF SYSTEMATIC REVIEWS (2014)
How to Read a Systematic Review and Meta-analysis and Apply the Results to Patient Care Users' Guides to the Medical Literature Murad, MH; Montori, VM; Ioannidis, JPA; Jaeschke, R; Devereaux, PJ; Prasad, K; Neumann, I; Carrasco Labra, A; Agoritsas, T; Hatala, R; et al. Review ISI SCOPUS JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION (2014)
Low molecular weight heparin versus unfractionated heparin for perioperative thromboprophylaxis in patients with cancer Akl, EA; Kahale L; Sperati, F; Neumann, I; Labedi, N; Terrenato, I; Barba M.Á.; Sempos, EV; Muti, P; Cook, D; et al. Review ISI SCOPUS COCHRANE DATABASE OF SYSTEMATIC REVIEWS (2014)
Oral anticoagulation in patients with cancer who have no therapeutic or prophylactic indication for anticoagulation Akl, EA; Kahale L; Terrenato, I; Neumann, I; Yosuico, VED; Barba M.Á.; Sperati, F; Schünemann, H Review ISI SCOPUS COCHRANE DATABASE OF SYSTEMATIC REVIEWS (2014)
Review: Novel oral anticoagulants reduce stroke more than ASA in nonvalvular atrial fibrillation Neumann, I; Brignardello Petersen, R; Guyatt, G Review ISI ANNALS OF INTERNAL MEDICINE (2014)
Systematic Review of Observational Studies Assessing Bleeding Risk in Patients with Atrial Fibrillation Not Using Anticoagulants Lopes, LC; Spencer, FA; Neumann, I; Ventresca M.; Ebrahim S.; Zhou, Q; Bhatnagar, N; Schulman, S; Eikelboom, J; Guyatt, G Review ISI SCOPUS PLOS ONE (2014)
World Health Organization recommendations are often strong based on low confidence in effect estimates Alexander, PE; Bero L.; Montori, VM; Brito, JP; Stoltzfus R.; Djulbegovic, B; Neumann, I; Rave, S; Guyatt, G Review ISI SCOPUS JOURNAL OF CLINICAL EPIDEMIOLOGY (2014)
Bleeding Risk in Atrial Fibrillation Patients Taking Vitamin K Antagonists: Systematic Review and Meta-Analysis Lopes, LC; Spencer, FA; Neumann, I; Ventresca M.; Ebrahim S.; Zhou, Q; Bhatnaga, N; Schulman, S; Eikeboom, J; Guyatt, G Review ISI SCOPUS Clinical Pharmacology and Therapeutics (2013)
Comparison of different regimens of proton pump inhibitors for acute peptic ulcer bleeding Neumann, I; Letelier, LM; Rada, G; Claro, JC; Martin, J; Yuan, YH Review ISI COCHRANE DATABASE OF SYSTEMATIC REVIEWS (2013)
Comparison of different regimens of proton pump inhibitors for acute peptic ulcer bleeding. Neumann, I; Rada, G; Martin, J; Howden C.W.; Yuan, Y; Leontiadis, GI Review SCOPUS COCHRANE DATABASE OF SYSTEMATIC REVIEWS (2013)
Oral Direct Factor Xa Inhibitors Versus Low-Molecular-Weight Heparin to Prevent Venous Thromboembolism in Patients Undergoing Total Hip or Knee Replacement A Systematic Review and Meta-analysis Neumann, I; Rada, G; Claro, JC; Carrasco Labra, A; Thorlund K.; Akl, EA; Bates, SM; Guyatt, GH Review ISI ANNALS OF INTERNAL MEDICINE (2012)
Pyelonephritis (acute) in non-pregnant women Neumann, I; Moore, P Review SCOPUS BMJ clinical evidence (2011)
Pyelonephritis in non-pregnant women. Neumann, I; Fernanda Rojas M.; Moore, P Review SCOPUS Clinical evidence. (2005)