User profiles for Constantine J. Karvellas

Constantine Karvellas

Department of Critical Care and Division of Gastroenterology (Liver Unit),University of …
Verified email at ualberta.ca
Cited by 8029

[HTML][HTML] A comparison of early versus late initiation of renal replacement therapy in critically ill patients with acute kidney injury: a systematic review and meta-analysis

CJ Karvellas, MR Farhat, I Sajjad, SS Mogensen… - Critical care, 2011 - Springer
Introduction Our aim was to investigate the impact of early versus late initiation of renal
replacement therapy (RRT) on clinical outcomes in critically ill patients with acute kidney injury (…

[PDF][PDF] Arterial ammonia and clinical risk factors for encephalopathy and intracranial hypertension in acute liver failure

…, CJ Karvellas, G Auzinger, E Sizer, J Wendon - …, 2007 - Wiley Online Library
High circulating ammonia concentrations are common in patients with acute liver failure (ALF)
and are associated with hepatic encephalopathy (HE) and intracranial hypertension (ICH). …

Effects of fractionated plasma separation and adsorption on survival in patients with acute-on-chronic liver failure

…, PR Galle, E Mancini, P Caraceni, CJ Karvellas… - Gastroenterology, 2012 - Elsevier
BACKGROUND & AIMS: Fractionated plasma separation and adsorption (FPSA) is an
extracorporeal procedure that supports liver function by removing endogenous toxins that cause …

Management of the critically ill patient with cirrhosis: a multidisciplinary perspective

…, JA Kellum, J Levitsky, JG O'Leary, CJ Karvellas… - Journal of …, 2016 - Elsevier
Methods Prior to the conference, the organizing committee identified topics relevant to the
management of patients with ACLF. A diverse international panel representing multiple …

Bedside ultrasound is a practical and reliable measurement tool for assessing quadriceps muscle layer thickness

…, R Leung, D Stollery, CJ Karvellas… - Journal of Parenteral …, 2014 - Wiley Online Library
Background: Critically ill patients commonly experience skeletal muscle wasting that may
predict clinical outcome. Ultrasound is a noninvasive method that can measure muscle …

Patients with cirrhosis and denied liver transplants rarely receive adequate palliative care or appropriate management

…, P Tandon, G Meeberg, CJ Karvellas - Clinical …, 2014 - Elsevier
Background & Aims Patients with cirrhosis who are receiving palliative care and are not
eligible for liver transplantation (LT) are often hospitalized multiple times, with lack of …

Sarcopenia is a predictor of outcomes in very elderly patients undergoing emergency surgery

Y Du, CJ Karvellas, V Baracos, DC Williams… - Surgery, 2014 - Elsevier
… Author links open overlay panel Yang Du BSc a , Constantine J. Karvellas MD, SM,
FRCPC b c , Vickie Baracos PhD d , David C. Williams MD, MSc, FRCSC, FACS a , Rachel G. …

[PDF][PDF] Continuous renal replacement therapy is associated with reduced serum ammonia levels and mortality in acute liver failure

…, M Gottfried, S Tujios, JC Olson, CJ Karvellas… - …, 2018 - Wiley Online Library
Hyperammonemia has been associated with intracranial hypertension and mortality in
patients with acute liver failure (ALF). We evaluated the effect of renal replacement therapy (RRT) …

[HTML][HTML] A randomized trial of supplemental parenteral nutrition in underweight and overweight critically ill patients: the TOP-UP pilot trial

…, R Kozar, DJ Kutsogiannis, CJ Karvellas… - Critical care, 2017 - Springer
Background Nutrition guidelines recommendations differ on the use of parenteral nutrition (PN),
and existing clinical trial data are inconclusive. Our recent observational data show that …

Guidelines for the management of adult acute and acute-on-chronic liver failure in the ICU: cardiovascular, endocrine, hematologic, pulmonary, and renal …

R Nanchal, R Subramanian, CJ Karvellas… - Critical care …, 2020 - journals.lww.com
Objectives: To develop evidence-based recommendations for clinicians caring for adults with
acute or acute on chronic liver failure in the ICU. Design: The guideline panel comprised …