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2018 Issues

Put It on the Board

High-sensitivity troponin I assay available in the U.S.
July 2018—Beckman Coulter Diagnostics received 510(k) clearance from the Food and Drug Administration for its new high-sensitivity troponin assay, Access hsTnI, for use on the Access 2, DxI, and the entire Access family of immunoassay systems. Access hsTnI demonstrates less than 10 percent CV at the upper reference limits for men and women and detects troponin in more than 50 percent of the healthy population. In an independent study, Access hsTnI detected more than 99 percent of troponin values for healthy men and women (Pretorius CJ, et al. Clin Biochem. 2018;​55:​49–55). “Beckman Coulter’s high-sensitivity cardiac troponin I assay can measure very low cardiac troponin concentrations with excellent precision. This test may help physicians with both the early diagnosis of myocardial infarction and future risk stratification in and outside the acute coronary syndrome setting,” Peter Kavsak, PhD, associate professor, Department of Pathology and Molecular Medicine, McMaster Uni­versity, said in a statement.

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Clinical Pathology Abstracts

Trends in perioperative RBC transfusion from index cases in five surgical specialties
July 2018—In recent years, greater attention has been given to patient blood management. While contemporary national guidelines recommend restrictive red blood cell transfusion, it is not known whether such transfusions have decreased in surgical patients. Approximately 11 million RBC transfusions are performed annually, and two-thirds of those are for patients in the perioperative period.

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Q&A column

July 2018—Is CD30 currently being used as a predictive marker for therapy? Due to laboratory construction, our molecular instruments were relocated within the lab. Is full test validation required in this case? Or is running at least 20 known samples enough to verify the instrument/assay performance specifications?

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Newsbytes

July 2018—How a geospacial tracking system is closing the distance at Michigan lab: This summer, when the Michigan Medicine Department of Pathology moves the last of its laboratories to a new campus four-and-a-half miles from the existing University Hospital laboratories in Ann Arbor, it will kick its new PathTrack Lean-influenced real-time geospatial tracking system into high gear. Developing the system, which will monitor an anticipated 6,000 to 10,000 specimens every day, has been “a monumental effort,” says Ulysses J. Balis, MD, director of the health system’s division of pathology informatics.

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Anatomic pathology Abstracts

Clinical and molecular analyses of neuroendocrine carcinomas of breast
July 2018—Clinical and molecular analyses of neuroendocrine carcinomas of breast: Neuroendocrine breast carcinomas represent a rare subtype of breast cancer. Their definition, prevalence, and prognosis remain controversial, as reported in the literature.

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Molecular pathology selected abstracts

July 2018—Correlation between tumor mutation burden and efficacy of combination immunotherapy in nonsmall cell lung cancer: Checkpoint inhibitor therapy has dramatically improved outcomes in many cancer types, with treatments including antibodies against cytotoxic T-lymphocyte–associated protein 4 (CTLA-4), programmed cell death receptor-1 (PD-1), and its ligand (PD-L1).

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Letters

July 2018—I was excited to see the article “Clearing the air for electronic cancer checklists” (May 2018) and would like to share what we at Sunquest are doing to contribute to adoption of the electronic cancer checklists. Sunquest is continually improving the PowerPath Synoptics tool set, which is included as part of our base system.

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Frontline dispatches from the burnout battle

June 2018—Bryan Bohman, MD, doesn’t spend his days wandering the Bay Area handing out buttons that read “Lift people, not the bottom line.” But don’t rule this out as a possibility someday, either. Dr. Bohman, chief medical officer, University Healthcare Alliance, and clinical professor of anesthesiology and perioperative and pain medicine, Stanford Health Care, is campaigning against physician burnout. Yes, it threatens the quality of medical care, he says, and yes, it’s expensive.

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