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. 2009 Oct 7;15(37):4709-14.
doi: 10.3748/wjg.15.4709.

Analysis of risk factors for central venous port failure in cancer patients

Ching-Chuan Hsieh  1 , Hsu-Huei Weng, Wen-Shih Huang, Wen-Ke Wang, Chiung-Lun Kao, Ming-Shian Lu, Chia-Siu Wang
Affiliations

Analysis of risk factors for central venous port failure in cancer patients

Ching-Chuan Hsieh et al. World J Gastroenterol. .

Abstract

Aim: To analyze the risk factors for central port failure in cancer patients administered chemotherapy, using univariate and multivariate analyses.

Methods: A total of 1348 totally implantable venous access devices (TIVADs) were implanted into 1280 cancer patients in this cohort study. A Cox proportional hazard model was applied to analyze risk factors for failure of TIVADs. Log-rank test was used to compare actuarial survival rates. Infection, thrombosis, and surgical complication rates (chi(2) test or Fisher's exact test) were compared in relation to the risk factors.

Results: Increasing age, male gender and open-ended catheter use were significant risk factors reducing survival of TIVADs as determined by univariate and multivariate analyses. Hematogenous malignancy decreased the survival time of TIVADs; this reduction was not statistically significant by univariate analysis [hazard ratio (HR) = 1.336, 95% CI: 0.966-1.849, P = 0.080)]. However, it became a significant risk factor by multivariate analysis (HR = 1.499, 95% CI: 1.079-2.083, P = 0.016) when correlated with variables of age, sex and catheter type. Close-ended (Groshong) catheters had a lower thrombosis rate than open-ended catheters (2.5% vs 5%, P = 0.015). Hematogenous malignancy had higher infection rates than solid malignancy (10.5% vs 2.5%, P < 0.001).

Conclusion: Increasing age, male gender, open-ended catheters and hematogenous malignancy were risk factors for TIVAD failure. Close-ended catheters had lower thrombosis rates and hematogenous malignancy had higher infection rates.

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Figures

Figure 1
Figure 1
Kaplan-Meier survival curve showing that the Groshong catheter of the TIVAD had better survival time than open-ended catheters by log-rank test (P < 0.001).
See this image and copyright information in PMC

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