通过教育项目提高视觉估计失血量的准确性。
Increase accuracy of visual estimation of blood loss from education programme.
作者信息
Sukprasert Matchuporn, Choktanasiri Wicharn, Ayudhya Nathpong Israngura Na, Promsonthi Pattama, O-Prasertsawat Pratak
机构信息
Department of Obstetrics and Gynaecology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, 270, Rama 6, Rachatavee, Bangkok 10400, Thailand.
出版信息
J Med Assoc Thai. 2006 Oct;89 Suppl 4:S54-9.
OBJECTIVE
To study the increase accuracy of visual estimation of blood loss after an education program.
MATERIAL AND METHOD
Seven simulated scenarios with known measured amount of blood were created by using expired packed red cell from blood bank and common surgical materials. Ninety nurses were randomized into two groups. The experimental group attended blood loss estimation course while the control group did not. The percentage of errors in blood loss estimation were calculated and compared between both groups. The main outcome of this study was percentage of nurses who had accurate estimation. We assumed that if the estimated blood volume is within twenty percentage of actual volume it is accurate.
RESULTS
There were no difference in age group (p = 0.08), clinical experiences (p = 0.95) and type of work (p = 0.47) between both groups. Educational program significantly increase accuracy in blood loss estimation (p < 0.05) in all seven scenarios.
CONCLUSION
Educational program increased the accuracy of visual estimation of blood loss.
目的
研究一项教育计划后视觉估计失血量的准确性提高情况。
材料与方法
使用血库过期的红细胞和普通手术材料创建了七个已知测量失血量的模拟场景。90名护士被随机分为两组。实验组参加失血量估计课程，而对照组未参加。计算并比较两组之间失血量估计的误差百分比。本研究的主要结果是估计准确的护士百分比。我们假设如果估计的血量在实际血量的20%以内就是准确的。
结果
两组在年龄组（p = 0.08）、临床经验（p = 0.95）和工作类型（p = 0.47）方面没有差异。教育计划在所有七个场景中均显著提高了失血量估计的准确性（p < 0.05）。
结论
教育计划提高了视觉估计失血量的准确性。
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