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Aim: Arteriovenous fistula (AVF) dysfunction resulting from stenosis or occlusion, is a prevalent issue in end-stage renal failure patients reliant on autogenous AVFs for dialysis. Recently, a distal transradial approach (dTRA) has emerged, offering advantages such as diminished access site complications, better patient comfort and reduced risk of radial artery occlusion. Our study seeks to assess the effectiveness, outcomes and complication rates of employing dTRA for arteriovenous fistuloplasty in Singaporean patients.
Methods: A retrospective review of all dTRA fistuloplasties performed on dysfunctional or slow to mature AVFs from 2017 to 2023 in our institution was performed. Patients with a distal radial artery measuring 2 mm or more with no evidence of occlusion or thrombosis were included. Patients who required central venoplasty or cutting balloon angioplasty were excluded. Outcome measures included technical success, mean procedure duration, complications and post-intervention primary patency at 1, 3 and 6 months. Patients were followed up for 12 months post-intervention.
Results: A total of 37 patients were included. 97.3% of patients undergoing dTRA fistuloplasty had radiocephalic fistulas while 2.7% had brachiobasilic fistulas. There was 100% technical success (defined as success in radial artery cannulation, sheath insertion and crossing of stenotic lesions) in our study as all patients successfully underwent fistuloplasty via dTRA approach. One-month patency rate was 97.4%, 3-month patency rate was 92.1% and 6-month patency rate was 86.8%. There were no immediate complications (haematoma, infection, bleeding, pseudoaneurysm, occlusion) of the radial artery post-intervention.
Conclusion: Our paper illustrates the safety and efficacy of utilising dTRA for arteriovenous fistuloplasty. This approach offers distinct benefits in addressing non-mature or dysfunctional distal forearm arteriovenous fistulas and should be taken into account in anatomically suitable cases.
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http://dx.doi.org/10.1177/11297298241250246 | DOI Listing |
J Physiol
September 2025
Institue for Exercise and Environmental Medicine, Texas Presbyterian Hospital, Dallas, TX, USA.
Some patients with heart failure with preserved ejection fraction (HFpEF) have demonstrated evidence of exercise-induced arterial hypoxaemia (EIAH). However, EIAH was not quantified using , , and measurements as previously conducted in healthy adults nor was EIAH quantified alongside simultaneous measurements of pulmonary vascular pressures, cardiorespiratory responses, or dyspnoea on exertion (DOE) in these patients. Given the effects of hypoxaemia on pulmonary vasoconstriction, cardiorespiratory responses, and DOE, we tested the hypothesis that patients with HFpEF and EIAH (EIAH) would demonstrate higher pulmonary vascular pressures, worse oxygen uptake, and greater DOE compared with patients without EIAH (EIAH).
View Article and Find Full Text PDFJACC Case Rep
September 2025
Department of Cardiology, Maimonides Medical Center, Brooklyn, New York, USA.
Background: Radial artery avulsion (RAV) is a rare but potentially serious complication of transradial angiographic procedures.
Case Summary: We describe a 70-year-old man who presented with atypical chest discomfort and who underwent cardiac catheterization from the right radial artery. The patient had radial artery spasm, and a piece of tissue approximately 6 cm in length was pulled out of the sheath.
J Clin Neurosci
September 2025
Department of Neurosurgery, Aizawa Hospital, Matsumoto, Nagano, Japan.
The transradial approach (TRA) is gaining popularity in neuroendovascular therapy due to its safety and patient comfort, but its application in emergency settings with complex vascular anatomy remains technically demanding. This study assessed the feasibility and safety of using the 6 Fr FUBUKI XF long guiding sheath-a non-radial-specific device-for neuroendovascular procedures via TRA. Nineteen consecutive patients treated with the FUBUKI XF long guiding sheath between April 2024 and June 2025 were retrospectively reviewed and compared with a small cohort treated using the radial-specific Rist guiding sheath during the same period.
View Article and Find Full Text PDFClin Neurol Neurosurg
September 2025
Department of Neurosurgery, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA. Electronic address:
Purpose: Although transradial arterial access has been increasingly used in neurointerventional procedures, anatomical variations, vasospasm, or radial artery occlusion can preclude safe access to the radial artery. This study evaluates the feasibility and safety of transulnar artery access as an alternative route for diagnostic cerebral angiography and neurovascular interventions.
Materials And Methods: A retrospective review was conducted at a high-volume academic neurovascular center.
Cardiol J
September 2025
Division of Cardiology, Department of Internal Medicine, Yonsei University College of Medicine and Cardiovascular Center, Yongin Severance Hospital, Yongin, Republic of Korea.
Background: There is limited data on the impact of body mass index (BMI) on distal radial access (DRA). Using a large-scale prospective registry, the influence of obesity on DRA outcomes was evaluated, including cannulation and complications.
Methods: Using data from the prospective, multicenter KODRA (Korean Prospective Registry for Evaluation the Safety and Efficacy of Distal Radial Approach) registry data, 4,638 patients who planned palpation-guided distal radial artery puncture were enrolled into two groups, both with body mass index (BMI) information available: obese (n = 2,205; BMI ≥ 25 kg/m²) and non-obese (n = 2,433).