An Italian External Quality Assessment (EQA) program on urinary sediment

Fogazzi, Giovanni B.; Secchiero, Sandra; Consonni, Dario; Sciacovelli, Laura; Zardo, Lorena; Garigali, Giuseppe; Verdesca, Simona; Plebani, Mario

doi:10.1016/j.cca.2010.02.073

Cited by 18 publications

(9 citation statements)

References 17 publications

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“…These results confirm that several urinary sediment particles are, entirely or partly, misidentified by laboratory personnel, as demonstrated in previous studies [5,6,15,18,19] and confirmed by a survey involving nephrologists [20]. This can have important clinical implications.…”

Section: Discussionsupporting

confidence: 92%

“…The present study reports on 10 clinical cases included during a 5-year period in an EQA program devoted to urinary sediment, which was described in a previous paper, when the clinical cases presented were only four [6].…”

Section: Discussionmentioning

confidence: 97%

“…The Italian EQA scheme for the microscopic analysis of urine, started in 2001 and still active today, is described in detail elsewhere [6]. Briefly, from 2001 to 2006 only images of urine particles were shown, for which the participants were asked to supply identification and one clinical association.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of clinical cases in External Quality Assessment Scheme (EQAS) for the urinary sediment

Fogazzi

Secchiero

Garigali

et al. 2014

Clinical Chemistry and Laboratory Medicine (CCLM)

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 97%

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Evaluation of clinical cases in External Quality Assessment Scheme (EQAS) for the urinary sediment

Fogazzi

Secchiero

Garigali

et al. 2014

Clinical Chemistry and Laboratory Medicine (CCLM)

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“…External Quality Assessment Programs are an essential tool to assist with the technology, identify problems, and to point training needs and it is valuable for laboratories, but even more for the benefit of the patients ( 10 , 11 ). Studies have reported the importance of continuing education and regulatory supervision in contributing to improve the performance in EQAP, and to decrease the number of errors in urine analysis ( 12 , 13 ). Failing laboratories must analyse the reasons for the failure, report the results, and initiate corrective action.…”

Section: Discussionmentioning

confidence: 99%

Survey on reporting of epithelial cells in urine sediment as part of external quality assessment programs in Brazilian laboratories

Poloni¹,

Vieira

Santos³

et al. 2021

Biochem. med. (Online)

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Introduction Epithelial cells (ECs) are structures regularly observed during urine microscopy analysis. The correct identification of EC subtypes can be useful since renal tubular epithelial cells (RTECs) are clinically relevant. We investigate the urinary ECs report and the judgement of its clinical importance by Brazilian laboratories. Materials and methods A survey with four questions was made available to participants of the Urinalysis External Quality Assessment Program (EQAP) from Controllab. Laboratories composed 3 groups: (1) differentiating ECs subtypes: “squamous”, “transitional” and “RTECs”; (2) differentiating ECs subtypes: “squamous” or “non-squamous” cells; (3) without ECs subtype identification. Participants did not necessarily answer to all questions and the answers were evaluated both within the same laboratory’s category and within different categories of laboratories. Results A total of 1336 (94%) laboratories answered the survey; Group 1, 119/140 (85%) reported that ECs differentiation is important to the physician and 62% want to be evaluated by EQAP, while in Group 3, 455/1110 (41%) reported it is useful to them, however only 25% want be evaluated by EQAP. Group 2 laboratories 37/51 (73%) reported that the information is important, but only 13/52 (25%) are interested in an EQAP with differentiation of the 3 ECs subtypes. Conclusion Most of the laboratories do not differentiate ECs in the three subtypes, despite the clinical importance of RTECs. Education of laboratory staff about the clinical significance of urinary particles should be considered a key priority.

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“…Third, the quality control of the urine sedimentation preparation and urine analysis should be mentioned. Fogazzi et al [2] noted that EQA programs for urine sediment were both useful and needed. Nevertheless, I would like to share some ideas on the pathological process due to urine lipid.…”

mentioning

confidence: 99%

Lipids extracted from urines and stones of nephrolithiasis patients: clinical significance?

Wiwanitkit

2010

Urol Res

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An Italian External Quality Assessment (EQA) program on urinary sediment

Cited by 18 publications

References 17 publications

Evaluation of clinical cases in External Quality Assessment Scheme (EQAS) for the urinary sediment

Evaluation of clinical cases in External Quality Assessment Scheme (EQAS) for the urinary sediment

Survey on reporting of epithelial cells in urine sediment as part of external quality assessment programs in Brazilian laboratories

Lipids extracted from urines and stones of nephrolithiasis patients: clinical significance?

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