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Recanalization of chronic superior vena cava occlusion using a transseptal needle in a dialysis patient
Luís Loureiro1,2,3, Paulo Almeida1,3, Davide Freitas4
1Angiology and Vascular Surgery Department, Unidade Local de Saúde de Santo António, Porto, Portugal.
Insights
A transseptal needle successfully recanalized chronic superior vena cava (SVC) occlusion in a hemodialysis patient when other methods failed. This sharp recanalization technique provided a novel solution for complex venous access cases.
Area of Science:
- Interventional Cardiology
- Vascular Surgery
- Nephrology
Background:
- Chronic superior vena cava (SVC) occlusion presents a significant challenge for hemodialysis patients.
- Conventional endovascular techniques often fail in cases with extensive collateralization and limited access options.
Purpose of the Study:
- To describe the successful use of a transseptal needle for sharp recanalization of chronic SVC occlusion.
- To present a novel approach for complex venous access in hemodialysis patients.
Main Methods:
- A manually straightened transseptal needle was used for transfemoral sharp recanalization of the occluded SVC.
- A 0.018″ guidewire was advanced, snared via an axillary loop graft, and a stent-graft was deployed.
- Procedures were guided by biplanar fluoroscopy.
Main Results:
- Successful recanalization and stent-graft deployment were achieved in a symptomatic dialysis patient.
- Clinical symptoms of edema and collateralization resolved overnight.
- The stent-graft remained patent at 9-month follow-up without complications.
Conclusions:
- Transseptal needles offer a valuable, sharp recanalization tool for complex SVC occlusions when standard methods fail.
- This technique is particularly useful in expert centers for patients with exhausted access options.
- This case demonstrates a successful alternative for managing challenging hemodialysis access complications.
Abstract:
Chronic superior vena cava (SVC) occlusion is a challenging complication in hemodialysis patients, particularly when conventional endovascular approaches fail. We describe the successful use of a manually straightened transseptal needle for sharp recanalization in a symptomatic dialysis patient with extensive collateralization and exhausted access options. Prior attempts using re-entry devices and back-ends of stiff guidewires had been unsuccessful. Under biplanar fluoroscopy, the transseptal needle was advanced transfemorally to cross the occlusion, allowing passage of a 0.018″ guidewire and subsequent snaring through a left axillary loop graft. A VBX 11 × 39 mm balloon-expandable stent-graft was deployed and post-dilated to 14 mm. Clinical symptoms, including facial and upper limb edema with prominent thoracic collateral veins, resolved by the following morning. No complications occurred, and patency remains stable at 9 months. This case highlights the utility of transseptal needles as a readily available sharp recanalization tool in expert centers, especially when other strategies have failed.
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