Image and intracavitary electrocardiogram-guided arm port placement in colorectal cancer: A retrospective comparative study

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World Journal of Gastrointestinal Surgery

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1948-9366

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Study

World J Gastrointest Surg. Oct 27, 2025; 17(10): 109407
Published online Oct 27, 2025. doi: 10.4240/wjgs.v17.i10.109407

Table 4 Comparative analysis of catheter displacement and occlusion complications

Parameter	Experimental group (n = 103)	Control group (n = 113)	Statistics	P value
Incidence rate
Catheter displacement	1.6% (2/103)	5.7% (6/113)	χ² = 2.417	0.03^a
Catheter occlusion	1.6% (2/103)	4.1% (5/113)	χ² = 1.037	0.309
Displacement characteristics
Time of occurrence (months)	2.7 ± 0.3	1.3 ± 0.5	t = 6.32	< 0.001^b
Minor displacement (< 2 cm)	100% (2/2)	66.7% (4/6)	χ² = 1.143	0.285
Major displacement (> 3 cm)	0% (0/2)	33.3% (2/6)	χ² = 1.143	0.285
Adjusted under X-ray	100% (2/2)	66.7% (4/6)	χ² = 1.143	0.285
Required surgical replacement	0% (0/2)	33.3% (2/6)	χ² = 1.143	0.285
Occlusion characteristics
Chemotherapy-related	100% (2/2)	40% (2/5)	χ² = 2.500	0.114
Related to inadequate flushing	0% (0/2)	60% (3/5)	χ² = 3.333	0.068
Recovered with urokinase	100% (2/2)	80% (4/5)	χ² = 0.556	0.456
Required catheter replacement	0% (0/2)	20% (1/5)	χ² = 0.556	0.456

^aP < 0.05, Fisher’s exact test.

^bP < 0.01, Fisher’s exact test.

Citation: Xie GL, Heng J, Jia XF, Li Q, Chang R, Zhang N, Xie LL, Gao C. Image and intracavitary electrocardiogram-guided arm port placement in colorectal cancer: A retrospective comparative study. World J Gastrointest Surg 2025; 17(10): 109407
URL: https://www.wjgnet.com/1948-9366/full/v17/i10/109407.htm
DOI: https://dx.doi.org/10.4240/wjgs.v17.i10.109407

Xie GL, Heng J, Jia XF, Li Q, Chang R, Zhang N, Xie LL, Gao C. Image and intracavitary electrocardiogram-guided arm port placement in colorectal cancer: A retrospective comparative study. World J Gastrointest Surg 2025; 17(10): 109407 [PMID: 41178861 DOI: 10.4240/wjgs.v17.i10.109407]

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