Different conductive media for intracavitary electrocardiogram-guided arm port implantation among breast cancer patients: a randomized controlled trial
Objective:To investigate the effect of using normal saline and guide wire as conductive media for intracavitary electrocardiogram-guided arm port implantation among breast cancer patients.Methods:A total of 184 breast cancer patients who chose arm port as chemotherapy access were recruited at the Department of Thyroid Breast Surgery of Peking University First Hospital, and they were randomly divided into a guide wire electrode group and a liquid electrode group. The accuracy of catheter tip position, the occurrence rate of characteristic P wave, P wave height, QRS wave height, stability of electrocardiogram, nurse satisfaction, and length of operation were compared between two groups.Results:The accuracy of catheter tip position was 95.6% in the liquid electrode group, while it was 98.9% in the guide wire electrode group, without significant difference between the two groups (χ2=0.209, P=0.177). No significant difference was found in the occurrence rate of characteristic P wave, P wave height, QRS wave height, stability of electrocardiogram, nurse satisfaction, or length of operation between the two groups (P＞0.05).Conclusion:It is recommended to use intracavitary electrocardiogram to guide tip position in arm port implantation. Both guide wire electrode and liquid electrode can lead to a success of the surgery. The intravenous specialist nurses can choose either of them according to their own habit and medium availability.
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