Zach O'Brien

Biases in Machine Learning in Healthcare

Dora Huang, Leo Anthony Celi, Zachary O'Brien

Book Chapter  |  2023

The authors reply.

Jesse D Raffa, Alistair EW Johnson, Zach O'Brien, Tom J Pollard, Roger G Mark, Leo A Celi, David Pilcher, Omar Badawi

Journal article  |  2022  |  Crit Care Med

The Global Open Source Severity of Illness Score (GOSSIS).

Jesse D Raffa, Alistair EW Johnson, Zach O'Brien, Tom J Pollard, Roger G Mark, Leo A Celi, David Pilcher, Omar Badawi

Journal article  |  2022  |  Crit Care Med

OBJECTIVES: To develop and demonstrate the feasibility of a Global Open Source Severity of Illness Score (GOSSIS)-1 for critical c..

Varying association of laboratory values with reference ranges and outcomes in critically ill patients: an analysis of data from five databases in four countries across Asia, Europe and North America.

Haoran Xu, Louis Agha-Mir-Salim, Zachary O'Brien, Dora C Huang, Peiyao Li, Josep Gómez, Xiaoli Liu, Tongbo Liu, Wesley Yeung, Patrick Thoral, Paul Elbers, Zhengbo Zhang, María Bodí Saera, Leo Anthony Celi

Journal article  |  2021  |  BMJ Health Care Inform

BACKGROUND: Despite wide usage across all areas of medicine, it is uncertain how useful standard reference ranges of laboratory va..

Hyperoncotic Albumin Solution in Continuous Renal Replacement Therapy Patients

Zachary O'Brien, Mark Finnis, Martin Gallagher, Rinaldo Bellomo

Journal article  |  2021  |  BLOOD PURIFICATION

AIM: The aim of this study was to investigate the association of hyperoncotic (20%) human albumin solution (HAS) with outcomes amo..

Early Treatment with Human Albumin Solution in Continuous Renal Replacement Patients.

Zachary O'Brien, Mark Finnis, Martin Gallagher, Rinaldo Bellomo

Journal article  |  2021  |  Blood Purification

AIMS: To study the impact of early human albumin solution (HAS) in continuous renal replacement therapy (RRT) patients. METHODS: A..

Haemodynamic effect of a 20% albumin fluid bolus in post-cardiac surgery patients

Salvatore L Cutuli, Laurent Bitker, Eduardo A Osawa, Zachary O'Brien, Emmanuel Canet, Fumitaka Yanase, Paolo Ancona, Anthony Wilson, Luca Lucchetta, Mark Kubicki, Maria Cronhjort, Luca Cioccari, Lea Peck, Helen Young, Glenn M Eastwood, Johan Martensson, Neil J Glassford, Rinaldo Bellomo

Journal article  |  2020  |  CRITICAL CARE AND RESUSCITATION

OBJECTIVE: To study the cardiovascular effect over 30 minutes following the end of fluid bolus therapy (FBT) with 20% albumin in p..

Sex and mortality in septic severe acute kidney injury

Zachary O'Brien, Alan Cass, Louise Cole, Simon Finfer, Martin Gallagher, Colin McArthur, Shay McGuiness, John Myburgh, Rinaldo Bellomo, Johan A Martensson

Journal article  |  2019  |  JOURNAL OF CRITICAL CARE

PURPOSE: To investigate the relationship between sex and mortality and whether menopause or the intensity of renal replacement the..

Higher versus Lower Continuous Renal Replacement Therapy Intensity in Critically ill Patients with Liver Dysfunction

Zachary O'Brien, Alan Cass, Louise Cole, Simon Finfer, Martin Gallagher, Colin McArthur, Shay McGuiness, John Myburgh, Rinaldo Bellomo, Johan Martensson

Journal article  |  2018  |  BLOOD PURIFICATION

AIMS: To study the association between higher versus lower continuous renal replacement therapy (CRRT) intensity and mortality in ..

A guide to OSCEs: my findings on examination

Zachary P O'Brien

Journal article  |  2015  |  Medical Journal of Australia