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Evaluation of pre-analytical factors impacting urine test strip and chemistry results.
Clin Chem Lab Med
January 2025
Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.
Objectives: Careful consideration of the pre-analytical process for urine examination is essential to avoid errors and support accurate results and decision-making. Our objective was to assess the impact of various pre-analytical factors on urine test strip and quantitative chemistry results, including stability, tube type, fill volume, and centrifugation.
Methods: Residual random urine specimens were identified.
Preanalytical Sedimentation Effects on Hematological Tests.
J Appl Lab Med
December 2024
HealthPartners Medical Laboratory, Pathology Lab, Bloomington, MN, United States.
Introduction: Specimens suspected of errors related to low hemoglobin or changes in hemoglobin beyond that of clinically explained variations during hospital stays are frequently redrawn under the auspices that they are contaminated. When lack of an indwelling IV eliminates contamination as a possibility, evaluation of the specimen between the time of collection and testing should occur.
Methods: As part of a quality improvement project, we investigated the impact of sedimentation on collected blood specimens not immediately transferred to their respective tubes from a syringe.
Investigating the incremental value of urine sediment reporting in emergency medicine with a Sysmex UN urinalysis system.
Adv Lab Med
December 2024
Section of Clinical Biochemistry and School of Medicine, University of Verona, Verona, Italy.
Objectives: Urinalysis is widely used and is also frequently requested in emergency situations for screening hypovolemia, urinary tract infections, diabetes, ketoacidosis and hematuria. Our aim was to evaluate the impact of reporting urinary sediment in emergency department specimens with the Sysmex UN system.
Methods: We evaluated urinalyses requested by the emergency department over a three-month period and examined red blood cell count interference, compared leukocyte esterase dipsticks to cytofluorimetric leukocyte count and nitrites to cytofluorimetric bacterial count.
Red blood cell agglutination caused by ceftriaxone and its effect on erythrocyte parameters: a case report.
Biochem Med (Zagreb)
February 2025
Department of Medical Biochemistry and Hematology, Children's Hospital Zagreb, Zagreb, Croatia.
Ceftriaxone, a widely used antibiotic, is one of the most common drugs to cause drug-induced immune hemolytic anemia. In this report, we describe the effect of ceftriaxone on red blood cell parameters (low red blood cell count, low hematocrit, and high erythrocyte index values) in two pediatric patients without clinical symptoms of hemolytic anemia. Although automated hematology analyzers have helped to detect incorrect results, a peripheral blood smear examination was necessary for recognizing the erythrocyte agglutinins caused by ceftriaxone.
View Article and Find Full Text PDFScreening for Fabry Disease-Related Mutations Among 829 Kidney Transplant Recipients.
J Clin Med
November 2024
Department of Internal Medicine, University Hospital Centre Zagreb, 10000 Zagreb, Croatia.
: Fabry disease (FD) is a genetic lysosomal storage disease caused by a pathogenic variant in GLA gene coding for a functional alpha-galactosidase A enzyme whose disfunction leads to globotriaosylceramide (Gb3) accumulation in cells, which results in multiple organ disorders. The aim of this study was to identify mutations associated with Fabry disease among 829 kidney transplant recipients and to investigate the correlation between the factors such as age, dialysis vintage, eGFR, proteinuria and corticosteroid dose and the deviations in alpha-galactosidase A and lyso-Gb3 levels. Dry blood spot samples were collected for genetic analysis.
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