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A Novel Inexpensive IV Catheterization Training Model for Paramedic Students.

机译：面向护理人员的新型廉价IV导管插入训练模型。

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Introduction. Teaching paramedic students venipuncture and intravenous catheterization has traditionally relied on bulky, expensive phlebotomy models. A gelatin intravenous model (GIM) costing less than 50 cents is currently being used in the training of medical students and interns. The study objective was to evaluate paramedic students' perceptions of the GIM as a training tool. Methods. GIMs are created using gelatin, psyllium, Penrose drains, food coloring, salt, and water. Penrose drains are filled with artificial blood composed of salt water and food coloring. The drains are placed in an aluminum pan with a base of hardening gelatin, with half-inch drains at the bottom of the pan and quarter-inch drains higher up in layers of mixed psyllium and gelatin to simulate deep and superficial veins respectively. A convenience, volunteer sample of 14 paramedic students who previously trained with traditional phlebotomy models each made two to five attempts at intravenous insertion using the GIM. Perceptions of the GIM were measured using a Likert scale (1, worst rating; 5, best rating). Means are reported. Results. Study subjects rated ease of use at 4.17, realism at 4.07, and effectiveness in learning intravenous insertion at 4.28. GIM as a more effective teaching tool than the conventional rubber arm yielded a rating of 4.14. Conclusions: This study is limited by a small sample size, and further studies evaluating the GIMs construct and content validity are needed. Despite these limitations, given the GIMs simplicity and value, paramedic instructors may wish to consider implementation of this device in their training programs.
机译：介绍。传统上，对辅助医务人员进行静脉穿刺和静脉导管插入术的教学依赖于笨重，昂贵的静脉放血模型。目前，用于医学生和实习生培训的明胶静脉注射模型（GIM）的价格不到50美分。研究目的是评估医护人员对GIM作为培训工具的看法。方法。 GIM是使用明胶，车前子，彭罗斯（Penrose）沥干液，食用色素，盐和水创建的。彭罗斯（Penrose）排水管充满了由盐水和食用色素组成的人造血液。将排水管放置在铝锅中，铝锅底部带有硬化的明胶，在锅的底部有半英寸的排水管，在车前草和明胶混合层中较高的四分之一英寸的排水管分别模拟深部和浅表静脉。一个方便，自愿的样本，由14名以前接受过传统放血模型训练的医护人员学生组成，每人使用GIM进行2至5次静脉内插入尝试。使用李克特量表（1，最差评分; 5，最佳评分）来衡量GIM的感知。报告了平均值。结果。研究对象对易用性的评分为4.17，对真实感的评分为4.07，在学习静脉插入的有效性为4.28。 GIM作为一种比传统橡皮臂更有效的教学工具，得出的评分为4.14。结论：本研究受到样本量较小的限制，需要进一步评估GIM的结构和内容有效性。尽管存在这些限制，但鉴于GIM的简单性和价值，医护人员可能希望在其培训计划中考虑使用此设备。

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