The customer reported they obtained falsely elevated platelet results on the cell-dyn emerald analyzer for multiple patients.The customer indicated they obtained initial results between 1000 and 12000 and repeat of the samples generate normal results.The following results were provided as examples.Patient 2 generated results of 1387 and 283, patient 4 generated a result of 1085 and retest in normal range, patient 5 generated a result of 1333 and retest in normal range.No specific patient information was provided and no adverse impact to patient management was reported.
|
The investigation included a review of submitted information and data, product historical data, labeling, and consultation with medical affairs.Review of product historical data for any trends and all customer complaints received for this issue did not identify any adverse trends or abnormal complaint activity.The associate medical director reviewed the available information and concluded an issue with the platelete aperture such as clog or contamination may have contributed to the issue.The field service representative resolved the issue by replacing the rbc counting head.Following replacement of the rbc counting head precision and controls were performed generating acceptable results.Additionally, labeling was reviewed and sufficiently addresses the customers issue.No systemic issue or deficiency of the cell-dyn emerald analyzer was identified.
|