Role of Intervention on Laboratory Performance: Evaluation of Quality Indicators in a Tertiary Care Hospital |
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| Authors: | Rachna Agarwal Sujata Chaturvedi Neelam Chhillar Renu Goyal Ishita Pant Chandra B Tripathi |
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| Institution: | (1) Department of Neurochemistry, Institute of Human Behaviour & Allied Sciences, Delhi, 110095, India;(2) Department of Pathology, Institute of Human Behaviour & Allied Sciences, Delhi, 110095, India;(3) Department of Microbiology, Institute of Human Behaviour & Allied Sciences, Delhi, 110095, India;(4) Department of Biostatistics, Institute of Human Behaviour & Allied Sciences, Delhi, 110095, India |
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| Abstract: | Quality in laboratory has huge impact on diagnosis and patient management as 80–90% of all diagnosis is made on the basis
of laboratory tests. Monitoring of quality indicators covering the critical areas of pre-analytical, analytical and post-analytical
phases like sample misidentification, sample rejection, random and systemic errors, critical value reporting and TATs have
a significant impact on performance of laboratory. This study was conducted in diagnostic laboratories receiving approximately
42,562 samples for clinical chemistry, hematology and serology. The list of quality indicators was developed for the steps
of total testing process for which errors are frequent and improvements are possible. The trend was observed for all the QI
before and after sensitisation of the staff over the period of 12 months. Incomplete test requisition form received in the
lab was the most poor quality indicator observed (7.89%), followed by sample rejection rate (4.91%). Most significant improvement
was found in pre- and post-analytical phase after sensitisation of staff but did not have much impact on analytical phase.
Use of quality indicators to assess and monitor the quality system of the clinical laboratory services is extremely valuable
tool in keeping the total testing process under control in a systematic and transparent way. |
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| Keywords: | Patient safety Quality indicator Pre-analytical phase Analytical phase Post-analytical phase Total testing process |
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