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  • Title: Impact of body posture change on peripherally inserted central catheter tip position in Chinese cancer patients.
    Author: Liu C, Jiang D, Jin T, Chen C, Shi R, Liu L, Mao J, Gu L, Xu L, Meng A.
    Journal: J Vasc Access; 2020 Sep; 21(5):732-737. PubMed ID: 32072851.
    Abstract:
    PURPOSE: To evaluate the influence of body posture change on the peripherally inserted central catheter tip position in Chinese cancer patients. METHODS: A prospective observational trial was conducted in a tertiary cancer hospital from August to September 2018. After the insertion of peripherally inserted central catheter, chest X-ray films were taken to check the catheter tip in the upright and supine positions, respectively. The distance from the carina to the catheter tip was separately measured on both chest films by nurses. The primary study outcome was the distance and direction of the catheter tip movement. The secondary study outcome was to analyze the influence factors on the catheter tip movement. The third study outcome was to observe the related adverse events caused by the catheter tip movement. RESULTS: A total of 79 patients were included, the results showed that 61 moved cephalad, 14 moved caudally, and 4 did not move with body change from the supine to the upright position. When moved cephalad, the mean distance was 19.34 ± 11.95 mm; when moved caudally, the mean distance was -15.83 ± 8.97 mm. The difference between the two positions was statistically significant (p < 0.001). There was also a statistically significant difference between catheter tip movement direction and body mass index (p = 0.009) and height (p = 0.015). Two patients developed arrhythmias; no cardiac tamponade was found due to body posture change. CONCLUSION: The results of this work implied that the tips of the catheter tend to shift toward the cephalad with body change from the supine to the upright position. A study involving a larger sample size is needed to find more information in the future.
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