Rye-Cheng Ko1, Min-Tsun Liao1, Lin Lin1, Mu-Yang Hsieh1, Pei-Shan Lin1, Kuei-Chin Tsai2, Chia-Lun Chao3, Chih-Cheng Wu4. 1. Division of Cardiology, Department of Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu; 2. Division of Cardiology, Department of Medicine, Miao-Li General Hospital, Miao-Li; 3. Division of Cardiology, Department of Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu; ; College of Medicine, National Taiwan University; 4. Division of Cardiology, Department of Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu; ; College of Medicine, National Taiwan University; ; School of Medicine, National Yang-Ming University, Taipei, Taiwan.
Abstract
BACKGROUND: Traditionally, a radial or brachial arterial approach is unadvisable in hemodialysis patients. Consequently, coronary angiography or angioplasty is usually performed via a femoral artery approach in these patients, who carry a higher risk of vascular access complications. In hemodialysis patients, arteriovenous grafts (AVG) are created for repeated punctures; however, the feasibility and safety of a trans-AVG approach for coronary angiography or angioplasty remains unclear. METHODS: In our institution, cardiac catheterizations were attempted via AV grafts in hemodialysis patients with a U-shaped forearm AVG. We retrospectively identified coronary angiography or angioplasty procedures in hemodialysis patients from a computer-based database in our hospital. The procedure details and outcomes were obtained from review of the clinical, angiographic and hemodialysis records. RESULTS: From 2008 to 2013, 167 procedures in hemodialysis patients were identified from 2866 diagnostic or interventional coronary procedures in our institution. Out of these, 24 procedures in 17 patients were performed via a trans-AVG approach. In all AVG procedures, a 6F 16-cm or 7F 10-cm sheath was placed from the AVG into the brachial artery. All diagnostic procedures were successfully performed. In 14 procedures, the patients also underwent angioplasty and all of the angioplasty procedures were successful. There was no arterial spasm, arterial dissection, puncture site hematoma, or acute thrombosis of the AVG during or after the procedures. CONCLUSIONS: A trans-AVG approach appears to be a feasible and safe route for coronary angiography or angioplasty in hemodialysis patients with a U-shaped forearm AVG. However, further studies with a larger patient number are necessary. KEY WORDS: Arteriovenous graft; Hemodialysis; Percutaneous coronary intervention.
BACKGROUND: Traditionally, a radial or brachial arterial approach is unadvisable in hemodialysis patients. Consequently, coronary angiography or angioplasty is usually performed via a femoral artery approach in these patients, who carry a higher risk of vascular access complications. In hemodialysis patients, arteriovenous grafts (AVG) are created for repeated punctures; however, the feasibility and safety of a trans-AVG approach for coronary angiography or angioplasty remains unclear. METHODS: In our institution, cardiac catheterizations were attempted via AV grafts in hemodialysis patients with a U-shaped forearm AVG. We retrospectively identified coronary angiography or angioplasty procedures in hemodialysis patients from a computer-based database in our hospital. The procedure details and outcomes were obtained from review of the clinical, angiographic and hemodialysis records. RESULTS: From 2008 to 2013, 167 procedures in hemodialysis patients were identified from 2866 diagnostic or interventional coronary procedures in our institution. Out of these, 24 procedures in 17 patients were performed via a trans-AVG approach. In all AVG procedures, a 6F 16-cm or 7F 10-cm sheath was placed from the AVG into the brachial artery. All diagnostic procedures were successfully performed. In 14 procedures, the patients also underwent angioplasty and all of the angioplasty procedures were successful. There was no arterial spasm, arterial dissection, puncture site hematoma, or acute thrombosis of the AVG during or after the procedures. CONCLUSIONS: A trans-AVG approach appears to be a feasible and safe route for coronary angiography or angioplasty in hemodialysis patients with a U-shaped forearm AVG. However, further studies with a larger patient number are necessary. KEY WORDS: Arteriovenous graft; Hemodialysis; Percutaneous coronary intervention.
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