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Purpose: To determine whether radiographic heart morphology and echocardiography findings were associated with early central venous catheter CVC failure in hemodialysis patients. Materials & Methods: All hemodialysis catheter insertions between 1996-2007 were captured in a combined nephrology radiology database. Factors were identified that may be associated with early catheter failure. Factors examined included: echocardiography findings, radiographic evidence of flattened heart border, boot-shaped heart and left ventricular hypertrophy as well as patient comorbidities and peri-procedural characteristics. Results: Of the 132 CVC failures in 132 patients, 67 50.8% occurred within 30 days of insertion. Early CVC failure was more likely to occur in patients who had insertions from the left side ?2, p = 0.020 and with catheter tip position outside the cavoatrial junction ?2, p = 0.040. CVC failure rates also differed by year of placement ?2, p < 0.01, if the patient had evidence of left ventricular hypertrophy ?2, p = 0.030, left systolic dysfunction ?2, p = 0.030, and hypokinetic right wall mechanics ?2, p < 0.01. Conclusion: Radiographic findings of left ventricular hypertrophy and echocardiography findings of left systolic dysfunction were found to be associated with early failure.

KEYWORDS

Dialysis; Interventional Radiology; Echocardiography

Cite this paper

K. Burton, J. O-Brien and D. Rajan -Chest Radiography and Echocardiography Predictors of Early Hemodialysis Catheter Dysfunction,- Open Journal of Radiology, Vol. 2 No. 3, 2012, pp. 57-64. doi: 10.4236-ojrad.2012.23011.





Autor: Kirsteen Burton, Jeremy O-Brien, Dheeraj Rajan

Fuente: http://www.scirp.org/



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