Search Results - "LEHMAN, Christopher M"

A Risk Assessment of the Jaffe vs Enzymatic Method for Creatinine Measurement in an Outpatient Population by Schmidt, Robert L, Straseski, Joely A, Raphael, Kalani L, Adams, Austin H, Lehman, Christopher M

“…The Jaffe and enzymatic methods are the two most common methods for measuring serum creatinine. The Jaffe method is less expensive than the enzymatic method…”
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Clinical consequences of specimen rejection: a College of American Pathologists Q-Probes analysis of 78 clinical laboratories by Karcher, Donald S, Lehman, Christopher M

“…Clinical laboratory specimens may be rejected as unsuitable for analysis for a variety of reasons and specimen rejection may have significant clinical…”
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Appropriateness of Plasma Transfusion: A College of American Pathologists Q-Probes Study of Guidelines, Waste, and Serious Adverse Events by Alcorn, Kirsten, Ramsey, Glenn, Souers, Rhona, Lehman, Christopher M

“…- Plasma transfusion guidelines support patient care and safety, management of product wastage, and compliance; yet, there is little information across…”
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Analytic validation and clinical evaluation of the STA LIATEST immunoturbidimetric D-dimer assay for the diagnosis of disseminated intravascular coagulation by LEHMAN, Christopher M, WILSON, Lori W, RODGERS, George M

“…To evaluate the diagnostic performance of a quantitative, immunoturbidimetric D-dimer assay and compare it with other components of the proposed International…”
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Utility of repeat testing of critical values: a Q-probes analysis of 86 clinical laboratories by Lehman, Christopher M, Howanitz, Peter J, Souers, Rhona, Karcher, Donald S

“…A common laboratory practice is to repeat critical values before reporting the test results to the clinical care provider. This may be an unnecessary step that…”
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Practices for Identifying and Rejecting Hemolyzed Specimens Are Highly Variable in Clinical Laboratories by Howanitz, Peter J, Lehman, Christopher M, Jones, Bruce A, Meier, Frederick A, Horowitz, Gary L

“…Hemolysis is an important clinical laboratory quality attribute that influences result reliability. To determine hemolysis identification and rejection…”
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Peritoneal and Pleural Fluid Chemistry Measurements Performed on Three Chemistry Platforms by Adams, Austin, Straseski, Joely A, Lehman, Christopher M, Pearson, Lauren N

“…Chemistry testing is requested for body fluid (BF) specimens despite the lack of assays approved by the US Food and Drug Administration (FDA). The criteria for…”
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Method Verification Shows a Negative Bias between 2 Procalcitonin Methods at Medical Decision Concentrations by Gruzdys, Valentinas, Cahoon, Kenneth, Pearson, Lauren, Lehman, Christopher M

“…Abstract Background Procalcitonin (PCT) concentration increases as a result of systemic inflammation owing to bacterial infection. Many PCT algorithms and…”
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Clinical Laboratory Quality Practices When Hemolysis Occurs by Howanitz, Peter J, Lehman, Christopher M, Jones, Bruce A, Meier, Frederick A, Horowitz, Gary L

“…Hemolyzed specimens delay clinical laboratory results, proliferate unnecessary testing, complicate physician decisions, injure patients indirectly, and…”
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Utility of ADAMTS13 assays in diagnosing thrombotic thrombocytopenic purpura by Lehman, Christopher M, Rodgers, George M

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A Reflex Protocol for Creatinine Testing Reduces Costs and Maintains Patient Safety by Lehman, Christopher M, Pearson, Lauren, Salmond, Jennifer, Raphael, Kalani, Schmidt, Robert L

“…The Jaffe and enzymatic methods are the 2 most common methods for creatinine measurement. The Jaffe method is less expensive but subject to interferences. Some…”
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Process Optimization to Improve Immunosuppressant Drug Testing Turnaround Time by Barakauskas, Vilte E., Bradshaw, Tiffany A., Smith, Lonnie D., Lehman, Christopher M., Johnson-Davis, Kamisha L.

“…Objectives: Timely reporting of immunosuppressant (ISP) drug level results is needed for transplant patient management. This study characterized the local ISP…”
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Utilization of stat test priority in the clinical laboratory: a College of American Pathologists q-probes study of 52 institutions by Volmar, Keith E, Wilkinson, David S, Wagar, Elizabeth A, Lehman, Christopher M

“…Utilization of stat testing priority is a balance between safe, efficient patient management and resource expenditure. To determine the rate of stat testing,…”
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Red blood cell transfusion practices: a College of American Pathologists Q-Probes study of compliance with audit criteria in 128 hospitals by Ramsey, Glenn, Wagar, Elizabeth A, Grimm, Erin E, Friedberg, Richard C, Souers, Rhona J, Lehman, Christopher M

“…Most information on compliance with audit criteria for red blood cell (RBC) transfusions comes from single institutions; few studies have compared practices…”
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Blood bank safety practices: mislabeled samples and wrong blood in tube--a Q-Probes analysis of 122 clinical laboratories by Grimm, Erin, Friedberg, Richard C, Wilkinson, David S, AuBuchon, James P, Souers, Rhona J, Lehman, Christopher M

“…Although a rare occurrence, ABO incompatible transfusions can cause patient morbidity and mortality. Up to 20% of all mistransfusions are traced to patient…”
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Should the Qualitative Serum Pregnancy Test Be Considered Obsolete? by FURTADO, Larissa V, LEHMAN, Christopher M, THOMPSON, Catherine, GRENACHE, David G

“…Qualitative and quantitative serum human chorionic gonadotropin (hCG) tests are used to diagnose pregnancy. We assessed physicians' perceptions and compared…”
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A mathematical procedure to estimate the impact of a change in method on discordance or misclassification at a decision limit in laboratory method comparison studies by Schmidt, Robert L., Kordy, Michal A., Genzen, Jonathan R., Straseski, Joely A., Greene, Dina N., Lehman, Christopher M.

“…Laboratories often adopt new methods. It would be useful to have a statistical procedure to estimate the incremental impact of a change in assay. Mathematical…”
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Managing transfusion service quality by Blaylock, Robert C, Lehman, Christopher M

“…Providing blood products for transfusions is a complex process subject to errors both within and outside the transfusion service. Transfusion-related errors…”
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Laboratory Monitoring of Heparin Therapy: Partial Thromboplastin Time or Anti-Xa Assay? by Lehman, Christopher M., Frank, Elizabeth L.

“…The activated partial thromboplastin time (PTT) is the principal method by which laboratories monitor unfractionated heparin therapy. A review of the…”
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Discard tubes are not necessary when drawing samples for specialized coagulation testing by Smock, Kristi J, Crist, Ronda A, Hansen, Sarah J, Rodgers, George M, Lehman, Christopher M

“…Discard tubes have traditionally been obtained when drawing samples for coagulation testing to avoid potential tissue factor activation of coagulation in the…”
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