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- Title
Early Flow Disturbances of Tunnelled Haemodialysis Catheters and Topographic Landmarks in Chest X-Ray.
- Authors
Fahnert, Jeanette; Stumpp, Patrick; Kahn, Thomas; Keller, Frieder; Schiekofer, Stephan; Petros, Sirak; Halbritter, Jan; Lindner, Tom H.; Rasche, Franz Maximilian
- Abstract
<bold><italic>Background/Aims:</italic></bold> The position of the tip of tunnelled haemodialysis (HD) catheters (THC) might influence flow characteristics during HD. In chest X-ray (CXR), carina-related landmarks may be practicable to verify the THC position, and tip-carina distance (TCD) might be useful to predict early-flow dysfunctions. <bold><italic>Methods:</italic></bold> In this single-centre, retrospective study, the TCD and the angle between the distal catheter and the body vertical axis (tip-body vertical-angle [TVA]) was measured in 115 THC by post-procedure CXR with 2 investigators. The parameters were proved to be feasible by interrater-reliability and correlated with the incidence of flow-dysfunction within 10 days after insertion. <bold><italic>Results:</italic></bold> Steep-aligned (TVA <40°, <italic>p</italic> < 0.01) and deep-ending catheters (TCD: right-sighted >1.5 cm or left-sighted >4.5 cm below the carina; <italic>p</italic> < 0.01) showed a significantly less dysfunction with a good interrater-reliability (R[TVA] = 0.8, R[TCD] = 0.9). <bold><italic>Conclusions:</italic></bold> Carina-related landmarks in CXR might be helpful to predict early-flow dysfunctions. However, randomized studies will be necessary to confirm this in fluoroscopic-guided placement during the insertion of THC.
- Subjects
HEMODIALYSIS; COMPUTED tomography; CARDIAC surgery; PATIENT safety; HEALTH outcome assessment
- Publication
Blood Purification, 2018, Vol 46, Issue 1, p70
- ISSN
0253-5068
- Publication type
Article
- DOI
10.1159/000486845