High preanalytical non-compliance and samples rejection rate in clinical biochemistry laboratory are decreased by nurse staff training in phlebotomy and sample handling

Authors

  • Modibo Coulibaly Centre National de Recherche Scientifique et Technologique, Hôpital Sominé DOLO de Mopti, Department of Biomedical Laboratory, Mopti, Mali.
  • Abdelaye Keita InstitutNational de Santé Publique, Department of Biomedical Laboratory and Research, Bamako, Mali.
  • Moussa Diawara Centre National de Recherche Scientifique et Technologique, Hôpital Sominé DOLO de Mopti, Department of Biomedical Laboratory, Mopti, Mali.
  • Valentin Sagara Centre National de Recherche Scientifique et Technologique, Hôpital Sominé DOLO de Mopti, Department of Biomedical Laboratory, Mopti, Mali.
  • Brehima Traoré Centre National de Recherche Scientifique et Technologique, Hôpital Sominé DOLO de Mopti, Department of Public Health, Mopti, Mali.
  • Oumar Guindo Centre National de Recherche Scientifique et Technologique, Hôpital Sominé DOLO de Mopti, Department of Public Health, Mopti, Mali.
  • Bakary Maiga Université des Sciences Techniques et Technologiques, Faculty of Pharmacy, Bamako, Mali.
  • Amagana Dolo Université des Sciences Techniques et Technologiques, Faculty of Pharmacy, Bamako, Mali.

DOI:

https://doi.org/10.30574/gscbps.2020.13.3.0400

Keywords:

Preanalytical phase, Sample non-compliances, Staff training in phlebotomy

Abstract

Background: Preanalytical phase of biomedical analysis remains an important source of diagnostic errors that deserves special attention. This study aims to evaluate the training in phlebotomy and sample handling impact on the preanalytical non-compliances.

Material and Methods: we performed a prospective study before and after staff training in phlebotomy and sample handling by systematically recording all clinical samples non-compliances. First, we assessed and describe the non-compliance baseline rate from January to December 2017 in the clinical biochemistry laboratory of Hôpital Sominé DOLO de Mopti. After two sessions of one week staff training in January 2018, we performed the same study from January to December 2018. We compared the proportions of non-compliances between the two assessments. Data were collected on the case report forms, captured in Excel and analyzed by R software for (Mac) OS X version 4.0.3. Pearson Ch2 or Fisher exact tests were used for the comparison of proportions. The statistical significance was set at p < 5%.

Results: a total of 27,810 venous blood samples were received during the study period; 48% was for biochemistry, 41% for immuno-serology, 9% for blood cell count and 2% for coagulation tests. There were 3,826 instances of preanalytical non-compliances (13.76%) identified that led to sample rejection. Out of the 11 types of non-compliances investigated, 5 (45.4%) accounted for nearly 91% of the problems: insufficient sample volume (28.9%), hemolyzed samples (20.5%), inappropriate collection time (17.8%), sample clot (12.9%), and inappropriate sample collection tube (10.8%). We observed a significant difference in rates of non-compliance between inpatients and outpatients samples (44.4% vs 7.3%; p < 0.001). The proportion of non-compliance have significatively decreased after the two training sessions of hospital staff  in phlebotomy and sample handling 3,826/27,810 (13.8%) vs 3,009/32,476  (9.3%); p < 0.001.

Conclusion: we report a significantly higher rate of non-compliance in inpatients. Hospital staff training in phlebotomy and sample handling reduce the proportion of preanalytical non-compliance and thereby improve patient management and safety.

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Published

2020-12-30

How to Cite

Modibo Coulibaly, Abdelaye Keita, Moussa Diawara, Valentin Sagara, Brehima Traoré, Oumar Guindo, Bakary Maiga, & Amagana Dolo. (2020). High preanalytical non-compliance and samples rejection rate in clinical biochemistry laboratory are decreased by nurse staff training in phlebotomy and sample handling. GSC Biological and Pharmaceutical Sciences, 13(3), 113–118. https://doi.org/10.30574/gscbps.2020.13.3.0400

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