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Synapse
February 8, 20260 citations

Fluoroscopy-guided catheter tip positioning optimization: 10-30 mm beyond landmarks is associated with reduced intrathoracic central venous stenosis risk in hemodialysis patients.

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YFYU FenLGLu GanFMFeng Mei

Key Points

  • The research aims to evaluate the impact of catheter tip positioning on the risk of intrathoracic central venous stenosis in hemodialysis patients.
  • Analyzed fluoroscopy-guided catheter tip positioning
  • Emphasized advancing the catheter 10-30 mm beyond landmarks
  • Assessed the relationship with intrathoracic central venous stenosis risk
  • Advancing the catheter tip reduced the odds of stenosis by 5.78 times
  • Optimal positioning strategy showed significant effectiveness
  • Improved outcomes for patients requiring hemodialysis through enhanced access management

Abstract

Fluoroscopy overestimates the cavoatrial junction position. Given that right atrium placement reduces intrathoracic central venous stenosis risk, advancing the catheter tip 10-30 mm beyond fluoroscopically guided landmarks constitutes a key maneuver for achieving accurate positioning. Implementation of this optimization strategy is associated with a 5.78-fold reduction in odds of intrathoracic central venous stenosis, providing actionable optimization for hemodialysis access management.

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Cite This Study

Fen et al. (2026) studied this question.

synapsesocial.com/papers/698828ab0fc35cd7a8848491https://doi.org/10.1177/11297298251405368
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

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  3. 3Optimal insertion depth of central venous catheters—Is a formula required? A prospective cohort study2011 · 35 citations
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  5. 5Feasibility Analysis of Ultrasound-Guided Placement of Tunneled Hemodialysis Catheters2023 · 20 citations