User profiles for John W. Pickering

John W Pickering

Research Professor, Dept of Medicine, University of Otago, & Senior Research Fellow in …
Verified email at otago.ac.nz
Cited by 10084

Double-integrating-sphere system for measuring the optical properties of tissue

JW Pickering, SA Prahl, N Van Wieringen, JF Beek… - Applied …, 1993 - opg.optica.org
A system is described and evaluated for the simultaneous measurement of the intrinsic
optical properties of tissue: the scattering coefficient, the absorption coefficient, and the …

[HTML][HTML] Improved performance of urinary biomarkers of acute kidney injury in the critically ill by stratification for injury duration and baseline renal function

ZH Endre, JW Pickering, RJ Walker, P Devarajan… - Kidney international, 2011 - Elsevier
To better understand the diagnostic and predictive performance of urinary biomarkers of
kidney injury, we evaluated γ-glutamyltranspeptidase (GGT), alkaline phosphatase (AP), …

[HTML][HTML] Machine learning for diagnosis of myocardial infarction using cardiac troponin concentrations

…, JH Greenslade, L Cullen, JW Pickering… - Nature Medicine, 2023 - nature.com
Although guidelines recommend fixed cardiac troponin thresholds for the diagnosis of
myocardial infarction, troponin concentrations are influenced by age, sex, comorbidities and time …

Rapid rule-out of acute myocardial infarction with a single high-sensitivity cardiac troponin T measurement below the limit of detection: a collaborative meta-analysis

JW Pickering, MP Than, L Cullen, S Aldous… - Annals of internal …, 2017 - acpjournals.org
This article has been corrected. The original version (PDF) is appended to this article as a
Supplement . Background: High-sensitivity assays for cardiac troponin T (hs-cTnT) are …

[HTML][HTML] Early intervention with erythropoietin does not affect the outcome of acute kidney injury (the EARLYARF trial)

ZH Endre, RJ Walker, JW Pickering, GM Shaw… - Kidney international, 2010 - Elsevier
We performed a double-blind placebo-controlled trial to study whether early treatment with
erythropoietin could prevent the development of acute kidney injury in patients in two general …

[HTML][HTML] Application of high-sensitivity troponin in suspected myocardial infarction

…, P Badertscher, A Mokhtari, JW Pickering… - … England Journal of …, 2019 - Mass Medical Soc
Background Data regarding high-sensitivity troponin concentrations in patients presenting
to the emergency department with symptoms suggestive of myocardial infarction may be …

Rapid detection of acute kidney injury by plasma cystatin C in the intensive care unit

M Nejat, JW Pickering, RJ Walker… - Nephrology Dialysis …, 2010 - academic.oup.com
Background . Plasma cystatin C (pCysC) has been proposed as an alternative to plasma
creatinine (pCr) as a measure of renal function. We compared the detection of functional …

Acute kidney injury and prognosis after cardiopulmonary bypass: a meta-analysis of cohort studies

JW Pickering, MT James, SC Palmer - American Journal of Kidney …, 2015 - Elsevier
Background Robust estimates and sources of variation in risks of clinical outcomes for
cardiopulmonary bypass (CPB)-associated acute kidney injury (AKI) are needed to inform clinical …

Association of high-sensitivity cardiac troponin I concentration with cardiac outcomes in patients with suspected acute coronary syndrome

…, D Westermann, MM Buijs, GJE Verdel, JW Pickering… - Jama, 2017 - jamanetwork.com
Importance High-sensitivity cardiac troponin I testing is widely used to evaluate patients with
suspected acute coronary syndrome. A cardiac troponin concentration of less than 5 ng/L …

[HTML][HTML] Some biomarkers of acute kidney injury are increased in pre-renal acute injury

M Nejat, JW Pickering, P Devarajan, JV Bonventre… - Kidney international, 2012 - Elsevier
Pre-renal acute kidney injury (AKI) is assumed to represent a physiological response to
underperfusion. Its diagnosis is retrospective after a transient rise in plasma creatinine, usually …