Works by Kavsak, Peter A.

Results: 121

Quality Control Measurements Yield Similar Variation Below and Above Limit of Quantification for High-Sensitivity Cardiac Troponin I Assays.

Published in:

Clinical Chemistry, 2025, v. 71, n. 7, p. 813, doi. 10.1093/clinchem/hvaf057

By:

Kavsak, Peter A;
Choi, Won-Shik;
Demian, Wael L;
Oleschuk, Curtis

Publication type:

Article

Assessing Analytical Performance and Correct Classification for Cardiac Troponin Deltas Across Diagnostic Pathways Used for Myocardial Infarction.

Published in:

Diagnostics (2075-4418), 2025, v. 15, n. 13, p. 1652, doi. 10.3390/diagnostics15131652

By:

Kavsak, Peter A.;
Sharif, Sameer;
Demian, Wael L.;
Choi, Won-Shik;
Belley-Cote, Emilie P.;
Taher, Jennifer;
Shea, Jennifer L.;
Blank, David W.;
Knauer, Michael;
Thorlacius, Laurel;
Raizman, Joshua E.;
Huang, Yun;
Beriault, Daniel R.;
Fung, Angela W. S.;
Yip, Paul M.;
Clark, Lorna;
Abramson, Beth L.;
Friedman, Steven M.;
McLaren, Jesse;
Atkinson, Paul

Publication type:

Article

Acute Phase Response and Non-Reproducible Elevated Concentrations with a High-Sensitivity Cardiac Troponin I Assay.

Published in:

Journal of Clinical Medicine, 2021, v. 10, n. 5, p. 1014, doi. 10.3390/jcm10051014

By:

Kavsak, Peter A.;
Clark, Lorna;
Martin, Janet;
Mark, Ching-Tong;
Paré, Guillaume;
Mondoux, Shawn;
Chetty, V. Tony;
Ainsworth, Craig;
Worster, Andrew;
Giménez, Maria Rubini

Publication type:

Article

Risk Stratification for Patients with Chest Pain Discharged Home from the Emergency Department.

Published in:

Journal of Clinical Medicine, 2020, v. 9, n. 9, p. 2948, doi. 10.3390/jcm9092948

By:

Kavsak, Peter A.;
Cerasuolo, Joshua O.;
Mondoux, Shawn E.;
Sherbino, Jonathan;
Ma, Jinhui;
Hoard, Brock K.;
Perez, Richard;
Seow, Hsien;
Ko, Dennis T.;
Worster, Andrew

Publication type:

Article

Performance of the European Society of Cardiology 0/1-Hour, 0/2-Hour, and 0/3-Hour Algorithms for Rapid Triage of Acute Myocardial Infarction : An International Collaborative Meta-analysis.

Published in:

2022

By:

Chiang, Cho-Han;
Chiang, Cho-Hung;
Pickering, John W.;
Stoyanov, Kiril M.;
Chew, Derek P.;
Neumann, Johannes T.;
Ojeda, Francisco;
Sörensen, Nils A.;
Su, Ke-Ying;
Kavsak, Peter;
Worster, Andrew;
Inoue, Kenji;
Johannessen, Tonje R.;
Atar, Dan;
Amann, Michael;
Hochholzer, Willibald;
Mokhtari, Arash;
Ekelund, Ulf;
Twerenbold, Raphael;
Mueller, Christian

Publication type:

journal article

Implications of Adjustment of High-Sensitivity Cardiac Troponin T Assay.

Published in:

Clinical Chemistry, 2013, v. 59, n. 3, p. 574, doi. 10.1373/clinchem.2012.197434

By:

Kavsak, Peter A.;
Hill, Stephen A.;
McQueen, Matthew J.;
Devereaux, P. J.

Publication type:

Article

Persistent Increases in Cardiac Troponin Concentrations As Measured with High-Sensitivity Assays after Acute Myocardial Infarction.

Published in:

Clinical Chemistry, 2013, v. 59, n. 2, p. 443, doi. 10.1373/clinchem.2012.196071

By:

Sievepiper, John L.;
Worster, Andrew;
Brons, Sonya;
Mehta, Shamir;
Kavsak, Peter A.

Publication type:

Article

Cardiac and Inflammation Biomarker Profile after Initiation of Adjuvant Trastuzumab Therapy.

Published in:

Clinical Chemistry, 2013, v. 59, n. 1, p. 327, doi. 10.1373/clinchem.2012.192419

By:

Dhesy-Thind, Sukhbinder;
Kumar, Vikaash;
Snider-McNair, Aidan;
Shortt, Colleen;
Mukherjee, Som D.;
Ellis, Peter;
Pond, Gregory R.;
Kavsak, Peter A.

Publication type:

Article

Assessing Pneumatic Tube Systems with Patient-Specific Populations and Laboratory-Derived Criteria.

Published in:

Clinical Chemistry, 2012, v. 58, n. 4, p. 792, doi. 10.1373/clinchem.2011.179044

By:

Kavsak, Peter A.;
Mansour, Maged;
Li Wang;
Campeau, Sara;
Clark, Lorna;
Brooks, Dan;
Trus, Mike

Publication type:

Article

High-Sensitivity Cardiac Troponin Assays--Change Is Important.

Published in:

Clinical Chemistry, 2012, v. 58, n. 1, p. 311, doi. 10.1373/clinchem.2011.174755

By:

Kavsak, Peter A.;
Jaffe, Allan S.

Publication type:

Article

Biomarkers for Predicting Serious Cardiac Outcomes at 72 Hours in Patients Presenting Early after Chest Pain Onset with Symptoms of Acute Coronary Syndromes.

Published in:

Clinical Chemistry, 2012, v. 58, n. 1, p. 298, doi. 10.1373/clinchem.2011.172064

By:

Kavsak, Peter A.;
Hill, Stephen A.;
Supapol, Wendy Bhanich;
Devereaux, Philip J.;
Worster, Andrew

Publication type:

Article

An Alternative Approach for Detecting Interferences in Enzymatic Acetaminophen Assays.

Published in:

Clinical Chemistry, 2011, v. 57, n. 8, p. 1203, doi. 10.1373/clinchem.2011.163121

By:

Zeidler, Johannes;
Kavsak, Peter A.

Publication type:

Article

High-Sensitivity Cardiac Troponin I Measurement for Risk Stratification in a Stable High-Risk Population.

Published in:

Clinical Chemistry, 2011, v. 57, n. 8, p. 1146, doi. 10.1373/clinchem.2011.164574

By:

Kavsak, Peter A.;
Liqin Xu;
Yusuf, Salim;
McQueen, Matthew J.

Publication type:

Article

Increasing Cardiac Troponin Changes Measured by a Research High-Sensitivity Troponin I Assay: Absolute vs Percentage Changes and Long-Term Outcomes in a Chest Pain Cohort.

Published in:

Clinical Chemistry, 2010, v. 56, n. 12, p. 1902, doi. 10.1373/clinchem.2010.153486

By:

Kavsak, Peter A.;
Ko, Dennis T.;
Xuesong Wang;
MacRae, Andrew R.;
Jaffe, Allan S.

Publication type:

Article

2007 Universal Myocardial Infarction Definition Change Criteria for Risk Stratification by Use of a High-Sensitivity Cardiac Troponin I Assay.

Published in:

Clinical Chemistry, 2010, v. 56, n. 3, p. 487, doi. 10.1373/clinchem.2009.136689

By:

Kavsak, Peter A.;
Ko, Dennis T.;
Xuesong Wang;
MacRae, Andrew R.;
Jaffe, Allan S.

Publication type:

Article

Troponin levels in hemodialysis patients: interpretation based on guidelines, changing concentrations and high-sensitivity assays.

Published in:

Nephrology Dialysis Transplantation, 2011, v. 26, n. 3, p. 1112, doi. 10.1093/ndt/gfq736

By:

Kavsak, Peter A.

Publication type:

Article

Side-Effects of COVID-19 on Patient Care: An INR Story.

Published in:

Journal of Applied Laboratory Medicine, 2021, v. 6, n. 4, p. 953, doi. 10.1093/jalm/jfab025

By:

Pearson, Lauren N.;
Johnson, Stacy A.;
Greene, Dina N.;
Chambliss, Allison B.;
Farnsworth, Christopher W.;
French, Deborah;
Herman, Daniel S.;
Kavsak, Peter A.;
Merrill, Anna E.;
Sheng-Ying Margaret Lo;
Lyon, Martha E.;
SoRelle, Jeffrey A.;
Schmidt, Robert L.

Publication type:

Article

Commercial Quality Control Imprecision Estimates for High-Sensitivity Cardiac Troponin Deltas Used to Rule-in Myocardial Infarction with the ESC 0/1-Hour Algorithm.

Published in:

Journal of Applied Laboratory Medicine, 2020, v. 5, n. 5, p. 1122, doi. 10.1093/jalm/jfaa030

By:

Kavsak, Peter A.;
Clark, Lorna

Publication type:

Article

High-Sensitivity Cardiac Troponin T Testing and Cardiovascular Outcomes at 30 Days and 1 Year in Patients Discharged Home from the Emergency Department with Chest Pain.

Published in:

Journal of Applied Laboratory Medicine, 2020, v. 5, n. 4, p. 821, doi. 10.1093/jalm/jfaa074

By:

Kavsak, Peter A.;
Cerasuolo, Joshua O.;
Ko, Dennis T.;
Perez, Richard;
Hsien Seow;
Jinhui Ma;
Worster, Andrew

Publication type:

Article

A Multicenter Assessment of the Sensitivity and Specificity for a Single High-Sensitivity Cardiac Troponin Test at Emergency Department Presentation for Hospital Admission.

Published in:

Journal of Applied Laboratory Medicine, 2019, p. 170, doi. 10.1373/jalm.2019.029512

By:

Kavsak, Peter A.;
McRae, Andrew;
Vatanpour, Shabnam;
Ismail, Ola Z.;
Worster, Andrew

Publication type:

Article

The Evidence for Laboratory Test--Based Computer Clinical Decision Support Tools on Medication Errors and Adverse Drug Events.

Published in:

2019

By:

Kavsak, Peter A.

Publication type:

Editorial

Stressing the Utility of High-Sensitivity Cardiac Troponin Testing in Patients with Possible Cardiac Ischemia.

Published in:

Journal of Applied Laboratory Medicine, 2017, p. 468, doi. 10.1373/jalm.2016.022491

By:

Kavsak, Peter A.

Publication type:

Article

Concentrations and agreement over 10 years with different assay versions and analyzers for troponin T and N-terminal pro-B-type natriuretic peptide.

Published in:

2025

By:

Kavsak, Peter A.;
Clark, Lorna;
Worster, Andrew;
Dhesy-Thind, Sukhbinder

Publication type:

Letter

Impact of high-sensitivity cardiac troponin I assay imprecision on the safety of a single-sample rule-out approach for myocardial infarction.

Published in:

2025

By:

Li, Ziwen;
Tew, Yong Yong;
Kavsak, Peter A.;
Aakre, Kristin M.;
Jaffe, Allan S.;
Apple, Fred S.;
Collinson, Paul O.;
Mills, Nicholas L.

Publication type:

Letter

Impact of switching total bilirubin assays on the classification of neonates at high risk for hyperbilirubinemia.

Published in:

Clinical Chemistry & Laboratory Medicine, 2023, v. 61, n. 9, p. e175, doi. 10.1515/cclm-2023-0111

By:

Kittanakom, Saranya;
Shea, Jennifer;
Leung, Felix;
Ly, Vinh;
Panchadcharadevan, Sinthu;
Kathuria, Sangeet;
Margolis, Ivor;
Barakauskas, Vilte;
Kavsak, Peter A.

Publication type:

Article

Antibody-mediated interferences affecting cardiac troponin assays: recommendations from the IFCC Committee on Clinical Applications of Cardiac Biomarkers.

Published in:

Clinical Chemistry & Laboratory Medicine, 2023, v. 61, n. 8, p. 1411, doi. 10.1515/cclm-2023-0028

By:

Hammarsten, Ola;
Warner, Janet V.;
Lam, Leo;
Kavsak, Peter;
Lindahl, Bertil;
Aakre, Kristin M.;
Collinson, Paul;
Jaffe, Allan S.;
Saenger, Amy K.;
Body, Richard;
Mills, Nicholas L.;
Omland, Torbjørn;
Ordonez-Llanos, Jordi;
Apple, Fred S.

Publication type:

Article

Lot-to-lot bias for high-sensitivity cardiac troponin I concentrations ≥1000 ng/L.

Published in:

Clinical Chemistry & Laboratory Medicine, 2023, v. 61, n. 7, p. e105, doi. 10.1515/cclm-2023-0017

By:

Kavsak, Peter A.

Publication type:

Article

Individual risk prediction of high grade prostate cancer based on the combination between total prostate-specific antigen (PSA) and free to total PSA ratio.

Published in:

Clinical Chemistry & Laboratory Medicine, 2023, v. 61, n. 7, p. 1327, doi. 10.1515/cclm-2023-0008

By:

Ferraro, Simona;
Biganzoli, Davide;
Rossi, Roberta Simona;
Palmisano, Franco;
Bussetti, Marco;
Verzotti, Enrica;
Gregori, Andrea;
Bianchi, Filippo;
Maggioni, Marco;
Ceriotti, Ferruccio;
Cereda, Cristina;
Zuccotti, Gianvincenzo;
Kavsak, Peter;
Plebani, Mario;
Marano, Giuseppe;
Biganzoli, Elia Mario

Publication type:

Article

Reference intervals for thyroid biomarkers to enhance the assessment of thyroid status in childhood and adolescence.

Published in:

Clinical Chemistry & Laboratory Medicine, 2023, v. 61, n. 7, p. 1309, doi. 10.1515/cclm-2022-1053

By:

Ferraro, Simona;
Luconi, Ester;
Calcaterra, Valeria;
Cordaro, Erika;
Bianchi, Alice;
Cereda, Cristina;
Zuccotti, Gianvincenzo;
Kavsak, Peter;
Plebani, Mario;
Biganzoli, Elia Mario;
Marano, Giuseppe;
Boracchi, Patrizia

Publication type:

Article

Using logistic regression models to investigate the effects of high-sensitivity cardiac troponin T confounders on ruling in acute myocardial infarction.

Published in:

Clinical Chemistry & Laboratory Medicine, 2023, v. 61, n. 7, p. 1335, doi. 10.1515/cclm-2022-1004

By:

Liu, Li;
Cai, Xueya;
Love, Tanzy;
Corsetti, Matthew;
Mathias, Andrew M.;
Worster, Andrew;
Ma, Jinhui;
Kavsak, Peter A.

Publication type:

Article

Measurement in different sample types may aid in detecting interferences and macrocomplexes affecting cardiac troponin measurements.

Published in:

2022

By:

Kavsak, Peter A.

Publication type:

Letter

Independent and combined effects of biotin and hemolysis on high-sensitivity cardiac troponin assays.

Published in:

Clinical Chemistry & Laboratory Medicine, 2021, v. 59, n. 8, p. 1431, doi. 10.1515/cclm-2021-0124

By:

Harley, Kellisha;
Bissonnette, Sarah;
Inzitari, Rosanna;
Schulz, Karen;
Apple, Fred S.;
Kavsak, Peter A.;
Gunsolus, Ian L.

Publication type:

Article

Additional approaches for identifying non-reproducible cardiac troponin results.

Published in:

Clinical Chemistry & Laboratory Medicine, 2021, v. 59, n. 7, p. e267, doi. 10.1515/cclm-2021-0091

By:

Kavsak, Peter A.

Publication type:

Article

Analytical assessment of ortho clinical diagnostics high-sensitivity cardiac troponin I assay.

Published in:

Clinical Chemistry & Laboratory Medicine, 2021, v. 59, n. 4, p. 749, doi. 10.1515/cclm-2020-1115

By:

Kavsak, Peter A.;
Edge, Tara;
Roy, Chantele;
Malinowski, Paul;
Bamford, Karen;
Clark, Lorna;
Lamers, Shana;
Hill, Stephen;
Worster, Andrew

Publication type:

Article

Clinical chemistry tests for patients with COVID-19 – important caveats for interpretation.

Published in:

Clinical Chemistry & Laboratory Medicine, 2020, v. 58, n. 7, p. 1142, doi. 10.1515/cclm-2020-0436

By:

Kavsak, Peter A.;
de Wit, Kerstin;
Worster, Andrew

Publication type:

Article

The importance of the methodology and sample matrix when interpreting chromogranin A results.

Published in:

Clinical Chemistry & Laboratory Medicine, 2019, v. 57, n. 11, p. e291, doi. 10.1515/cclm-2019-0358

By:

Kavsak, Peter A.;
Beattie, John;
Rutledge, Angela C.

Publication type:

Article

Sample matrix and high-sensitivity cardiac troponin I assays.

Published in:

Clinical Chemistry & Laboratory Medicine, 2019, v. 57, n. 5, p. 745, doi. 10.1515/cclm-2018-1100

By:

Worster, Andrew;
Hill, Stephen;
Kavsak, Peter A.;
Clark, Lorna;
Roy, Chantele;
Malinowski, Paul;
Lamers, Shana;
Bamford, Karen;
Jaffe, Allan S.

Publication type:

Article

Cardiac troponin and natriuretic peptide analytical interferences from hemolysis and biotin: educational aids from the IFCC Committee on Cardiac Biomarkers (IFCC C-CB).

Published in:

Clinical Chemistry & Laboratory Medicine, 2019, v. 57, n. 5, p. 633, doi. 10.1515/cclm-2018-0905

By:

Saenger, Amy K.;
Omland, Tobjørn;
Ordóñez-Llanos, Jordi;
Pulkki, Kari;
Apple, Fred S.;
Jaffe, Allan S.;
Body, Richard;
Collinson, Paul O.;
Kavsak, Peter A.;
Lam, Carolyn S.P.;
Lefèvre, Guillaume

Publication type:

Article

Perioperative heart-type fatty acid binding protein concentration cutoffs for the identification of severe acute kidney injury in patients undergoing cardiac surgery.

Published in:

Clinical Chemistry & Laboratory Medicine, 2019, v. 57, n. 2, p. e8, doi. 10.1515/cclm-2018-0547

By:

Kavsak, Peter A.;
Whitlock, Richard;
Thiessen-Philbrook, Heather;
Parikh, Chirag R.

Publication type:

Article

Assessing matrix, interferences and comparability between the Abbott Diagnostics and the Beckman Coulter high-sensitivity cardiac troponin I assays.

Published in:

Clinical Chemistry & Laboratory Medicine, 2018, v. 56, n. 7, p. 1176, doi. 10.1515/cclm-2017-1122

By:

Kavsak, Peter A.;
Malinowski, Paul;
Roy, Chantele;
Clark, Lorna;
Lamers, Shana

Publication type:

Article

Commutable samples with assigned target concentrations may help us harmonise general chemistry results.

Published in:

Clinical Chemistry & Laboratory Medicine, 2017, v. 55, n. 2, p. 165, doi. 10.1515/cclm-2016-0558

By:

Don-Wauchope, Andrew C.;
Kavsak, Peter A.

Publication type:

Article

Multiplex protein assay performance/evaluation and the requirement for precision and correlation to clinical assays.

Published in:

Clinical Chemistry & Laboratory Medicine, 2011, v. 49, n. 11, p. 1915, doi. 10.1515/CCLM.2011.683

By:

Phan, Kim;
Sohn, Kun-Young;
Hill, Stephen A.;
Worster, Andrew;
You, John;
Oremus, Mark;
Devereaux, Philip J.;
Jaffe, Allan S.;
Kavsak, Peter A.

Publication type:

Article

Profile of Roche’s Elecsys Troponin T Gen 5 STAT blood test (a high-sensitivity cardiac troponin assay) for diagnosing myocardial infarction in the emergency department.

Published in:

Expert Review of Molecular Diagnostics, 2018, v. 18, n. 6, p. 481, doi. 10.1080/14737159.2018.1476141

By:

Kavsak, Peter A.;
Andruchow, James E.;
McRae, Andrew D.;
Worster, Andrew

Publication type:

Article

Rapid atrophy of cardiac left ventricular mass in patients with non‐small cell carcinoma of the lung.

Published in:

Journal of Cachexia, Sarcopenia & Muscle, 2019, v. 10, n. 5, p. 1070, doi. 10.1002/jcsm.12451

By:

Kazemi‐Bajestani, Seyyed Mohammad Reza;
Becher, Harald;
Butts, Charles;
Basappa, Naveen S.;
Smylie, Michael;
Joy, Anil Abraham;
Sangha, Randeep;
Gallivan, Andrea;
Kavsak, Peter;
Chu, Quincy;
Baracos, Vickie E.

Publication type:

Article

Within-run precision and outlier detection for the Abbott ARCHITECT cardiac troponin I assay.

Published in:

2014

By:

Kavsak, Peter A;
Clark, Lorna;
Lancaster, Sara;
Don-Wauchope, Andrew C

Publication type:

Letter to the Editor

Effect of freeze-thaw and refrigeration conditions on high-sensitivity troponin T concentrations.

Published in:

Annals of Clinical Biochemistry, 2012, v. 49, n. 1, p. 101, doi. 10.1258/acb.2011.011204

By:

Mansour, Maged;
Clark, Lorna;
Kavsak, Peter A.

Publication type:

Article

Serial cardiac troponin T measurements in haemodialysis patients: absolute versus changing concentrations?

Published in:

Annals of Clinical Biochemistry, 2010, v. 47, n. 1, p. 97, doi. 10.1258/acb.2009.009187

By:

Kavsak, Peter A.

Publication type:

Article

Artichoke phytocomplex modulates serum microRNAs in patients exposed to asbestos: a first step of a phase II clinical trial.

Published in:

Journal of Experimental & Clinical Cancer Research (17569966), 2022, v. 41, n. 1, p. 1, doi. 10.1186/s13046-022-02455-6

By:

Muti, Paola;
Sacconi, Andrea;
Pulito, Claudio;
Orlandi, Giulia;
Donzelli, Sara;
Morrone, Aldo;
Jiulian, James;
Cox, Gerard P.;
Kolb, Martin;
Pond, Gregory;
Kavsak, Peter;
Levine, Mark Norman;
Blandino, Giovanni;
Strano, Sabrina

Publication type:

Article

Definitions of post-coronary artery bypass grafting myocardial infarction: variations in incidence and prognostic significance.

Published in:

European Journal of Cardio-Thoracic Surgery, 2020, v. 57, n. 1, p. 168, doi. 10.1093/ejcts/ezz161

By:

Belley-Cote, Emilie P;
Lamy, André;
Devereaux, P J;
Kavsak, Peter;
Lamontagne, François;
Cook, Deborah J;
Kennedy, Kevin;
Vincent, Jessica;
Ou, Yongning;
Tagarakis, George;
Whitlock, Richard P

Publication type:

Article

Macrotroponin interference and association with cardiotoxicity in patients receiving cardiotoxic breast cancer therapy: a pilot study.

Published in:

Cardio-Oncology, 2025, v. 11, n. 1, p. 1, doi. 10.1186/s40959-025-00314-9

By:

Soosaipillai, Andrea;
Nardi-Agmon, Inbar;
Brinc, Davor;
Fabros, Anselmo;
Kavsak, Peter A.;
Thavendiranathan, Paaladinesh;
Di Meo, Ashley

Publication type:

Article