Effects of integrated chest CT measurement on prediction of optimal tip position of PICC in patients with lung cancer

WANG Juan; LIU Yongshi; JIAN Lihua; TENG Xin; YUN Junru; ZHAO Ahong; HAN Xiaorong; LIU Jing; YIN Yuhuan

doi:10.3969/j.issn.2097-1753.2024.05.010

Abstract：Objective To explore the applicability of integrated chest CT measurement in predicting the optimal tip position of Power PICC in patients with lung cancer.Methods A total of 205 patients with lung cancer were selected who had undergone PICC in the Thoracic Surgery Department of a hospital between August 2023 and December 2023.The patients were randomly divided into the control group(conventional horizontal"L"measurement,n=102)and the observation group(integrated chest CT measurement,n=103)using the computer random number method,The primary index was the accuracy of the optimal PICC tip position while the secondary one was the incidence of complications within 30 days of catheterization.Results The accuracy of the optimal PICC tip position in the two groups was 86.41％and 30.39％,respectively,and was much better in the observation group than in the control group(OR=14.560,95％CI:7.202～29.437,P＜0.001).After adjusting the influence of gender,age and BMI,the accuracy of the optimal tip position was still statistically different between the two groups(OR=16.383,95％CI:7.824～34.308,P＜0.001).The risk of catheter slippage within 30 days was significantly lower in the observation group than in the control group(1.94％vs 11.76％,OR=0.154,95％CI:0.033～0.718,P=0.017).There was no significant difference in the incidence of mechanical phlebitis between the two groups(P＞0.05).Conclusion The integrated chest CT measurement can significantly improve the accuracy of the optimal PICC tip position,and reduce the incidence of complications.The results of this study can be applied to lung cancer patients or other patients who need routine chest CT examination,which can improve the accuracy of PICC measurement without increasing exposures to radiation and costs.