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Chinese Journal of Interventional Radiology(Electronic Edition) ›› 2026, Vol. 14 ›› Issue (03): 299-306. doi: 10.3877/cma.j.issn.2095-5782.2026.03.011

• Technology and Method • Previous Articles    

Comparison of Subclavian Vein and Internal Jugular Vein Approaches for Totally Implantable Access Ports in Cancer Patients and Analysis of Factors Associated with Catheter Malposition

Ligang Wu, Hanqiang Zeng, Zhicheng Zhang, Quan Chen()   

  1. Interventional and Vascular Surgery, The Tenth Affiliated Hospital of Southern Medical University(Dongguan People's Hospital), Dongguan 523000, Guangdong Province, China
  • Received:2026-02-19 Online:2026-08-25 Published:2026-08-27
  • Contact: Quan Chen

Abstract:

Objective

To compare the efficacy, complications, and postoperative discomfort of totally implantable access ports (TIAP) implanted via the subclavian vein (SCV) versus the internal jugular vein (IJV) in cancer patients, and to analyze factors associated with catheter malposition.

Methods

A total of 724 cancer patients were prospectively enrolled and non-randomly assigned to the subclavian vein (SCV) group (n=224) or the internal jugular vein (IJV) group (n=500) according to the venous access approach. Blind puncture success rate, operative time, complications, and postoperative discomfort grade scores were compared between the two groups. Firth-corrected logistic regression was used to analyze factors associated with catheter malposition.

Results

The IJV group had a higher blind puncture success rate (P<0.001) but longer operative time (P<0.001) than the SCV group. The SCV group showed a higher incidence of catheter malposition (P<0.001) but better postoperative discomfort scores (P<0.05). Firth regression indicated that the IJV approach was associated with a lower risk of malposition (P=0.005); older age (P=0.027) and obesity (BMI≥28, P=0.038) were also associated factors.

Conclusion

The IJV approach offers a higher blind puncture success rate and lower malposition risk, while the SCV approach is associated with shorter operative time and milder patient-reported discomfort. Clinical selection should be individualized.

Key words: Totally implantable access port, Subclavian vein, Internal jugular vein, Postoperative complications, Associated factors

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