진공채혈관의 상태에 따른 평가
Evaluation of Vacutainer Distribution Conditions
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분석전 변이로 인하여 검사실은 오류에 직면하게 되고 많은 요인들은 환자의 검사결과에 영향을 미치게 된다. 다양한 진공채혈관은 신속하게 분리하고 방치된 검체의 용혈을 방지한다. 그러나 진공채혈관의 상태에 따라 몇 가지 제한점들이 발생하는데 이러한 문제점을 알아보기 위해 다양한 진공채혈관을 이용해 혈구산정검사로 비교 평가하였다. 유통기한별 검사결과에서는 백혈구(WBC)와혈소판(PLT)의 값에서 0.24, 0.21로 큰 변이계수를 나타냈고 상관성에서는 백혈구(WBC), 혈소판(PLT), 적혈구(RBC)의 값이 유의성을 보였다(p＜0.01). 한편 각 3사의 비교평가에서는 백혈구(WBC), 혈소판(PLT)의 값에서 0.27, 0.21로 가장 큰 변이계수를 나타냈고. 상관성에서는 각 3사가 모두 백혈구(WBC), 혈소판(PLT), 혈소판분포폭(PDW)의 값에서 높은 유의한 차이를 보였다(p＜ 0.01) 그러나 G사와 B사는 혈소판(PLT), 혈소판분포폭(PDW)의값에서는 낮은 유의한 차이를 보였다(p＜0.05). 결론적으로 진공채혈관의 상태에 따른 분석의 안정성을 위해 적절한 진공채혈관의분석평가가 이루어져야 한다.
Abstract
Pre-analytical variables account for most laboratory errors and many factors affect the results from a patient. Type of tubes facilitated rapid separation and prevented hemolysis upon prolonged storage. However, there were some limitations associated with vacutainer conditions. To circumvent the problems, the comparability of complete blood cell count values was examined using various vacutainers. The results of the analysis showed a large coefficient variation of 0.24, 0.21 in the value of white blood cells and platelets, and significant correlation was observed between white blood cells, platelets, and the value of red blood cells (p＜0.01). In each of the three tubes, compared to the value of platelets, white blood cells, the greatest coefficient variation was 0.27, 0.21. In correlation of the three companies, significant difference was observed in values of white blood cells, platelets, and platelet distribution width (p＜0.01), however G and B, the value of platelets, and platelet distribution width were significantly lower (p＜0.05). In conclusion, analysis of vacutainers showed that they were suitable for stability of these analytes under vacutainer conditions.
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