XU Xiangyanyu, JI Xinyu, SONG Yunjie, XU Xiaoshuang, XU Haiping, ZHANG Ruyang. A study on influence factors of accurate positioning of venous catheter tip in arm infusion port guided by electrocardiogram based on random forest algorithm[J]. Journal of Clinical Medicine in Practice, 2021, 25(19): 7-11. DOI: 10.7619/jcmp.20213117
Citation: XU Xiangyanyu, JI Xinyu, SONG Yunjie, XU Xiaoshuang, XU Haiping, ZHANG Ruyang. A study on influence factors of accurate positioning of venous catheter tip in arm infusion port guided by electrocardiogram based on random forest algorithm[J]. Journal of Clinical Medicine in Practice, 2021, 25(19): 7-11. DOI: 10.7619/jcmp.20213117

A study on influence factors of accurate positioning of venous catheter tip in arm infusion port guided by electrocardiogram based on random forest algorithm

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  • Received Date: August 02, 2021
  • Available Online: October 20, 2021
  • Published Date: October 14, 2021
  •   Objective  To explore influence factors of accurate positioning of venous catheter tip in arm infusion port guided by electrocardiogram based on random forest algorithm.
      Methods  A total of 338 female breast cancer patients with chemotherapy implanted in transfusion port were selected as research objects. Electrocardiogram was used to guide the positioning of the venous catheter tip, and relevant information of the patients was collected. Random forest method was used to explore the influencing factors of electrocardiogram guided precise positioning of intravenous catheter tip in arm infusion port, and classification tree was used to fit the precise positioning model of catheter tip.
      Results  Height, weight and age were significantly associated with the accuracy of catheter head positioning. The accuracy (0.84), sensitivity (0.98), positive predictive value (0.85) of the constructed model were acceptable, and the specificity (0.19), negative predictive value (0.54) and area under the Curve (AUC)(0.67) were low.
      Conclusion  Clinical staffshould pay attention to breast cancer patients with low height (< 155 cm), high body mass (>52 kg) and age of 49 to 63 years, because such patients are prone to occur inaccurate positioning of the head of venous catheter.
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