2019
DOI: 10.1111/ijlh.12989
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Sources and solutions for spurious test results in coagulation

Abstract: In the coagulation laboratory, much emphasis has been placed on rapid and accurate testing; however, spurious results that are inaccurate and do not reflect the actual status of the patient can potentially lead to an incorrect diagnosis and altered intervention. Errors in coagulation results and interpretation can occur at any point of the process from obtaining the specimen to interpretation and use of the result by the clinician. The main sources of error include the patient's biological and preanalytical va… Show more

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Cited by 5 publications
(2 citation statements)
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References 35 publications
(153 reference statements)
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“…Pre‐analytical variables affect coagulation testing in both adults and children. Estimates are that 63% of all laboratory errors are due to pre‐analytical variables from sample collection, transport and processing 27 . In children, the main challenge is the difficulty in obtaining a clean and sufficient blood sample volume.…”
Section: Therapeutic Anticoagulation Monitoringmentioning
confidence: 99%
“…Pre‐analytical variables affect coagulation testing in both adults and children. Estimates are that 63% of all laboratory errors are due to pre‐analytical variables from sample collection, transport and processing 27 . In children, the main challenge is the difficulty in obtaining a clean and sufficient blood sample volume.…”
Section: Therapeutic Anticoagulation Monitoringmentioning
confidence: 99%
“…Algunas de estas dan una visión general (con limitaciones) de la coagulación, y otras son tan precisas que dan cuenta del reemplazo de incluso un solo nucleótido en extensas secuencias de genes de proteínas relacionadas con este sistema. Paradójicamente, cuando tenemos tantas pruebas para analizar diversas variables de un fenómeno complejo y dinámico, nos enfrentamos a un reto de selección como clínicos, en el cual debemos hacer el mayor esfuerzo por elegir pruebas de alto valor diagnóstico, evitando los falsos positivos, falsos negativos o peor aún, la irrelevancia y futilidad de exámenes que demandan una logística y costo importantes [3,4]. Debemos reconocer que, a pesar del progreso científico, persiste el reto de conciliar el conocimiento teórico, usualmente representado en didácticos diagramas de la "cascada de la coagulación", con la realidad práctica y biológica (in vivo), que no es para nada escalonada ni secuencial.…”
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