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Taurisano M, Mancini A, Cortese C, Napoli M. Endovascular tools for vascular access stenosis: Flow-chart proposal. J Vasc Access 2024:11297298241229166. [PMID: 38362739 DOI: 10.1177/11297298241229166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024] Open
Abstract
Stenosis represents the most relevant arteriovenous fistula (AVF) pathology and can affects the entire conduit forming the fistula, from afferent artery to central venous vessels. Correction of vascular access stenosis significantly affects the survival and quality of life for end stage renal disease patients (ESRD) dependent on hemodialysis. Guidelines consider the procedure of percutaneous transluminal angioplasty (PTA) relevant for the primary treatment of these lesions with excellent results in restoring AVF immediately at the end of the procedure. From first AVF angioplasty in 1981 to now, wide scientific innovation has led to development of new devices, composed by different materials and technologies, specific for the site and the type of stenosis to be treated, able to manage resistant stenotic lesion and to reduce stenosis recurrences. International guidelines do not clearly specify all treatment possibilities in the individual case. In this review the authors want to provide specific information on most used devices for stenosis treatment based on literature evidence, showing when and where to use the various tools available with flow-chart treatment proposal.
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Affiliation(s)
- Marco Taurisano
- Department of Nephrology, Hospital "Di Venere," Bari (BA), Apulia, Italy
| | - Andrea Mancini
- Department of Nephrology, Hospital "Di Venere," Bari (BA), Apulia, Italy
| | - Cosma Cortese
- Department of Nephrology, AUOC Policlinico di Bari, Bari (BA), Apulia, Italy
| | - Marcello Napoli
- Department of Nephrology, Hospital "Vito Fazzi," Lecce (LE), Apulia, Italy
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Drouven JW, de Bruin C, van Roon, PhD AM, Ozyilmaz A, Oldenziel J, Bokkers RPH, Zeebregts CJ. Use of Covered Stents in Cannulation Sites as a Last Option to Salvage Failing Vascular Access. J Endovasc Ther 2024; 31:98-103. [PMID: 35972139 PMCID: PMC10773153 DOI: 10.1177/15266028221116745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Controversy exists regarding the treatment of recurrent stenosis in vascular access at cannulation sites with a covered stent as repeated cannulation may damage the stent. The purpose of this study was to review covered stent placement at cannulation sites to salvage failing vascular access. MATERIALS AND METHODS A total of 11 patients were included for the purpose of this study. Eight patients (72.7%) received a covered stent due to recurrent stenosis, 2 (18.2%) due to an acute occlusion, and in 1 case (9.1%), the covered stent was used to repair a damaged polytetrafluoroethylene arteriovenous graft (PTFE AVG). RESULTS Primary patency after stent placement was 40.9% at 6 months, primary-assisted patency was 79.5% at 12 months, and secondary patency was 80% at 24 months. No significant problems were observed during the dialysis sessions after stent placement. The intervention rate per patient-year was not significantly different before or after covered stent placement, at 3.8 (IQR=9.5) interventions per year versus 2.5 (IQR=3.0) interventions per year (p=0.280). CONCLUSION In conclusion, treating failing vascular access with problems at cannulation sites with covered stents can be considered. CLINICAL IMPACT Treating vascular access stenosis at cannulation sites with covered stents can successfully prolong vascular access life.
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Affiliation(s)
- Johannes W. Drouven
- Departments of Surgery, Division of Vascular Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Cor de Bruin
- Departments of Surgery, Division of Vascular Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Arie M. van Roon, PhD
- Internal Medicine, Division of Vascular Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Akin Ozyilmaz
- Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Job Oldenziel
- Radiology, Medical Imaging Center, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Reinoud P. H. Bokkers
- Radiology, Medical Imaging Center, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Clark J. Zeebregts
- Departments of Surgery, Division of Vascular Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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Aronhime S, Timokhin A, Balan S, Avital Y, Cherniavsky A. Patency and Durability of Stent Grafts Placed in the Dialysis Circuit Cannulation Zone. J Vasc Interv Radiol 2024; 35:86-91. [PMID: 37748575 DOI: 10.1016/j.jvir.2023.09.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 09/04/2023] [Accepted: 09/15/2023] [Indexed: 09/27/2023] Open
Abstract
PURPOSE To investigate the safety, durability, and patency rates of stent grafts (SGs) placed in the cannulation zone of hemodialysis access circuits. MATERIALS AND METHODS From April 2020 to April 2023, all procedures with SGs placed in the cannulation zone were retrospectively analyzed. A total of 40 patients (25 men and 15 women) with SGs placed in the cannulation zone were included in the study. Mean age of the patients was 70 years. The Covera covered stent (BD, Franklin Lakes, New Jersey) was used in all cases. Of these, 26 were arteriovenous (AV) fistulae and 14 were AV grafts. SGs were placed for residual stenosis, perforation, aneurysm, and thrombosis. Follow-up outcomes were determined using follow-up angiographic images and included primary patency, primary-assisted patency, and secondary patency. RESULTS The primary patency of the target lesion was 89% (SD ± 5) and 74% (SD ± 8.4) at 6 and 12 months, respectively. The primary-assisted patency was 89% (SD ± 5.2) and 78% (SD ± 7.6) at 6 and 12 months, respectively. Secondary patency of the access circuit was 97% (SD ± 2.5) at both 6 and 12 months. Mean follow-up was 332 days (range, 28-661 days). All SGs were successfully cannulated for hemodialysis. No cases of stent fracture or stent infection were observed during follow-up. CONCLUSIONS SGs placed for cannulation zone pathologies can be safely cannulated for dialysis and have adequate short- and mid-term patency rates.
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Affiliation(s)
- Shimon Aronhime
- Department of Interventional Radiology, Shamir Medical Center (Assaf Harofeh), Israel, Tel Aviv University, Tel Aviv, Israel.
| | - Alexey Timokhin
- Department of Interventional Radiology, Shamir Medical Center (Assaf Harofeh), Israel, Tel Aviv University, Tel Aviv, Israel
| | - Shmuel Balan
- Department of Interventional Radiology, Shamir Medical Center (Assaf Harofeh), Israel, Tel Aviv University, Tel Aviv, Israel
| | - Yaniv Avital
- Department of Interventional Radiology, Shamir Medical Center (Assaf Harofeh), Israel, Tel Aviv University, Tel Aviv, Israel
| | - Alexei Cherniavsky
- Department of Interventional Radiology, Shamir Medical Center (Assaf Harofeh), Israel, Tel Aviv University, Tel Aviv, Israel
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Aronhime S, Avital Y, Balan S, Cherniavsky A. Stent Grafts Across the Elbow Joint for Access Salvage. J Endovasc Ther 2023:15266028231215975. [PMID: 38049950 DOI: 10.1177/15266028231215975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/06/2023]
Abstract
PURPOSE Covered stent grafts (SGs) are currently being used in a wide variety of situations to maintain function and patency of hemodialysis access circuits. Stent grafts are rarely placed across the elbow joint (EJ), however, due to fear of stent fracture. This study reports on the experience and patency rates with SGs across the EJ. MATERIALS AND METHODS From April 2020 to August 2023, all procedures with SGs placed across the EJ were retrospectively analyzed. A total of 21 patients with SGs placed across the EJ were included in the study. The Covera Vascular Covered Stent (BD, Franklin Lakes, New Jersey, USA) was used in all cases. Of these, 18 were arteriovenous (AV) fistulae, and 3 were AV grafts. Stent grafts were placed for various pathologies, including residual stenosis, perforation, aneurysm, and thrombosis. Follow-up outcomes were obtained from angiographic images on follow-up angiography and included primary patency, primary assisted patency, and secondary patency. RESULTS The primary patency of the target lesion was 85% (CI=70%-100%) and 85% (CI=70%-100%) at 6 and 12 months, respectively. The primary assisted patency was 85% (CI=70%-100%) and 85% (CI=70%-100%) at 6 and 12 months, respectively. Secondary patency of the access circuit was 95% (CI=86%-100%) at 6 months and 89% (CI=75%-100%) at 12 months. The average follow-up duration was 393 days (range=27-768 days). There were no instances of stent fracture during follow-up. CONCLUSIONS Stent grafts should be placed across the EJ for good short-term and mid-term patency rates. CLINICAL IMPACT The placement of stent grafts across the elbow joint in hemodialysis patients for access salvage is controversial due to the fear of stent fracture or occlusion. This retrospective study evaluated the placement of stent grafts for access salvage in 21 patients for various etiologies. Good patency rates were seen out to 12 months and no stent fractures were observed. Although longer term data is needed, stent grafts should be considered an acceptable option for access salvage when treating lesions that cross the elbow joint.
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Affiliation(s)
- Shimon Aronhime
- Department of Interventional Radiology, Shamir Medical Center (Assaf Harofeh), Tel Aviv University, Israel
| | - Yaniv Avital
- Department of Interventional Radiology, Shamir Medical Center (Assaf Harofeh), Tel Aviv University, Israel
| | - Shmuel Balan
- Department of Interventional Radiology, Shamir Medical Center (Assaf Harofeh), Tel Aviv University, Israel
| | - Alexei Cherniavsky
- Department of Interventional Radiology, Shamir Medical Center (Assaf Harofeh), Tel Aviv University, Israel
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Dolmatch B, Cabrera T, Pergola P, Balamuthusamy S, Makris A, Cooper R, Moore E, Licht J, Macaulay E, Maleux G, Pfammatter T, Settlage R, Cristea E, Lansky A. Prospective, randomized, multicenter clinical study comparing a self-expanding covered stent to percutaneous transluminal angioplasty for treatment of upper extremity hemodialysis arteriovenous fistula stenosis. Kidney Int 2023; 104:189-200. [PMID: 36990214 DOI: 10.1016/j.kint.2023.03.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 03/02/2023] [Accepted: 03/09/2023] [Indexed: 03/29/2023]
Abstract
Use of a covered stent after percutaneous transluminal angioplasty (PTA) was compared to PTA alone for treatment of upper extremity hemodialysis patients with arteriovenous fistula (AVF) stenoses. Patients with AVF stenosis of 50% or more and evidence of AVF dysfunction underwent treatment with PTA followed by randomization of 142 patients to include a covered stent or 138 patients with PTA alone. Primary outcomes were 30-day safety, powered for noninferiority, and six-month target lesion primary patency (TLPP), powered to test whether TLPP after covered-stent placement was superior to PTA alone. Twelve-month TLPP and six-month access circuit primary patency (ACPP) were also hypothesis tested while additional clinical outcomes were observed through two years. Safety was significantly non-inferior while six- and 12-month TLPP were each superior for the covered stent group compared to PTA alone (six months: 78.7% versus 55.8%; 12 months: 47.9% versus 21.2%, respectively). ACPP was not statistically different between groups at six-months. Observed differences at 24 months favored the covered-stent group: 28.4% better TLPP, fewer target-lesion reinterventions (1.6 ± 1.6 versus 2.8 ± 2.0), and a longer mean time between target-lesion reinterventions (380.4 ± 249.5 versus 217.6 ± 158.4 days). Thus, our multicenter, prospective, randomized study of a covered stent used to treat AVF stenosis demonstrated noninferior safety with better TLPP and fewer target-lesion reinterventions than PTA alone through 24 months.
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Affiliation(s)
- Bart Dolmatch
- Interventional Radiology, Palo Alto Medical Foundation, Mountain View, California, USA; Interventional Radiology, El Camino Hospital, Mountain View, California, USA.
| | | | | | - Saravanan Balamuthusamy
- Tarrant Nephrology Associates, Fort Worth, Texas, USA; Department of Medicine and Nephrology, Texas Christian University School of Medicine, Fort Worth, Texas, USA
| | | | - Randy Cooper
- Southwest Kidney Institute Vascular Center, Tempe, Arizona, USA
| | - Erin Moore
- Cardiothoracic & Vascular Surgical Associates, Jacksonville, Florida, USA; Department of Vascular Surgery, Baptist Medical Center Jacksonville, Jacksonville, Florida, USA
| | - Jonah Licht
- Providence Interventional Associates, Providence, Rhode Island, USA; Division of Nephrology, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
| | - Ewan Macaulay
- Department of Vascular Surgery, Royal Adelaide Hospital, Adelaide, South Australia, Australia
| | - Geert Maleux
- Department of Vascular and Interventional Radiology, University Hospitals KU Leuven, Leuven, Belgium
| | - Thomas Pfammatter
- Department of Diagnostic and Interventional Radiology, University of Zürich Hospital, Zürich, Switzerland
| | - Richard Settlage
- Medical Affairs Department, Becton, Dickinson and Company, Colorado Springs, Colorado, USA
| | - Ecaterina Cristea
- Section of Cardiovascular Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Alexandra Lansky
- Section of Cardiovascular Medicine, Yale School of Medicine, New Haven, Connecticut, USA
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Lin Z, Kallam N, Khurram R, Al Midani A, Khalifa M. Coronary stent-graft use to salvage a juxta-anastomotic arterial rupture complicating a case of radio-cephalic fistuloplasty. CVIR Endovasc 2022; 5:44. [PMID: 35986829 PMCID: PMC9392827 DOI: 10.1186/s42155-022-00323-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 08/16/2022] [Indexed: 11/25/2022] Open
Abstract
Background Stenosis is a common complication of haemodialysis arteriovenous accesses. Endovascular approaches with percutaneous transluminal fistuloplasty have largely replaced open surgical approaches as first line treatment. Vessel rupture is an uncommon complication of fistuloplasty and most reports describe venous rupture. Stent-graft deployment can salvage this, however, its use requires careful assessment of the distal vasculature. Arterial rupture with fistuloplasty has rarely been described in the literature. This is a novel case describing the use of a BeGraft coronary stent-graft to manage juxta-anastomotic arterial rupture and pseudoaneurysm complicating fistuloplasty. Case presentation A 77 year old female with end stage renal failure secondary to systemic amyloid light chain type amyloidosis was referred for a suspected radio-cephalic arteriovenous fistula stenosis after difficulty cannulating with poor flow during dialysis and clinical reduction in the fistula thrill. Both Doppler ultrasound and intravenous fistulography confirmed a venous stenosis 2 cm distal to the anastomosis. The stenosis was treated by fistuloplasty, however, this was complicated by a rupture of the juxta-anastomotic arterial segment intraoperatively. Intermittent balloon tamponade was used to minimise extravasation although a pseudoaneurysm formed within the damaged arterial segment. The patient’s distal neurovascular status was assessed using the Barbeau test and we sonographically confirmed adequate retrograde arterial flow via a complete palmar arch directing blood from the ulnar artery. After discussion with the renal transplant team, a 4 mm BeGraft coronary stent-graft was deployed to control haemorrhage and bypass the pseudoaneurysm until adequate haemostasis and fistula flow was achieved. Follow-up 3 months post-procedure reported the patient continued with haemodialysis using the stented fistula with no further complications. Conclusions To our knowledge, this is the first case report describing the application of BeGraft coronary stent-grafts to salvage fistuloplasty of a radio-cephalic arteriovenous fistula stenosis complicated by juxta-anastomotic arterial rupture and pseudoaneurysm formation. We demonstrate the safety and short-term efficacy of this technology.
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Liao MT, Luo CM, Hsieh MC, Hsieh MY, Lin CC, Chie WC, Yang TF, Wu CC. Stent grafts improved patency of ruptured hemodialysis vascular accesses. Sci Rep 2022; 12:51. [PMID: 34996982 PMCID: PMC8741950 DOI: 10.1038/s41598-021-03933-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 11/29/2021] [Indexed: 11/29/2022] Open
Abstract
This study aimed to compare stent graft with balloon tamponade for ruptured dialysis access during percutaneous transluminal angioplasty. Patients over an 8-year period (2010–2018) were identified from a database of 11,609 procedures. The primary endpoint was target lesion primary patency at 12 months. A total of 143 patients who had rupture dialysis access were enrolled, of whom 52 were salvaged by stent grafts and 91 were salvaged by balloon tamponade. The 6-month target lesion primary patency was greater in the stent graft group than in the balloon tamponade group (66.7% vs. 29.5%, P < 0.001). The benefit of stent grafts was sustained for 12 months (52.5% vs. 9.0%, P < 0.001). The stent grafts increased the median time from the index procedure to the next intervention in the ruptured area by 171 days (260 vs. 89 days) at 12 months. There was no significant difference in the access circuit patency rates at 6 months (25.5% vs. 19.8%, P = 0.203) and 12 months (12.0% vs. 5.8%, P = 0.052). The patency results of the stent grafts remained after the multivariable adjustment analysis. Compared to balloon tamponade alone, stent grafts provided superior target lesion primary patency at 6 and 12 months. The access circuit patency rates were similar.
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Affiliation(s)
- Min-Tsun Liao
- Division of Cardiology, Department of Medicine, National Taiwan University Hospital Hsinchu Branch, Hsinchu, Taiwan, ROC.,College of Medicine, National Taiwan University, Taipei, Taiwan, ROC
| | - Chien-Ming Luo
- College of Medicine, National Taiwan University, Taipei, Taiwan, ROC.,Division of Cardiovascular Surgery, Department of Surgery, National Taiwan University Hospital, Hsinchu Branch, Hsinchu, Taiwan, ROC
| | - Ming-Chien Hsieh
- Division of Cardiology, Department of Medicine, National Taiwan University Hospital Hsinchu Branch, Hsinchu, Taiwan, ROC
| | - Mu-Yang Hsieh
- Division of Cardiology, Department of Medicine, National Taiwan University Hospital Hsinchu Branch, Hsinchu, Taiwan, ROC.,College of Medicine, National Taiwan University, Taipei, Taiwan, ROC.,Institute of Biological Science and Technology, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Chih-Ching Lin
- Division of Nephrology, Department of Medicine, Taipei Veteran General Hospital, Taipei, Taiwan, ROC
| | - Wei-Chu Chie
- Department of Family Medicine, National Taiwan University Hospital, Taipei, Taiwan, ROC.,School of Public Health, National Taiwan University, Taipei, Taiwan, ROC
| | - Ten-Fang Yang
- Institute of Biological Science and Technology, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC.,Division of Cardiology, Department of Medicine, Taipei Medical University and Hospital, Taipei, Taiwan, ROC
| | - Chih-Cheng Wu
- College of Medicine, National Taiwan University, Taipei, Taiwan, ROC. .,Institute of Biomedical Engineering, National Tsing-Hua University, Hsinchu, Taiwan, ROC. .,Institute of Cellular and System Medicine, National Health Research Institute, Zhunan, Taiwan, ROC. .,Cardiovascular Center, National Taiwan University Hospital Hsinchu Branch, No. 25, Lane 442, Sec. 1, Jingguo Rd, Hsinchu City, 300, Taiwan.
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Hongsakul K, Akkakrisee S, Bannangkoon K, Boonsrirat U, Premprabha D, Juntarapatin P. Results of drug-eluting stent in significant restenosis of the hemodialysis access: An initial study. Semin Dial 2021; 35:165-170. [PMID: 34131964 DOI: 10.1111/sdi.12993] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 05/13/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND This study aimed to report the 12-month results of drug-eluting stent (DES) for the treatment of significant restenosis of the hemodialysis access. MATERIALS AND METHODS A total of 14 patients (seven men and seven women; median age 70 years; range of 50-83 years) with significant restenosis of hemodialysis accesses were enrolled from January 2017 to December 2018. A total of 10 arteriovenous graft (AVG) and four arteriovenous fistulae were treated with DES. Study outcomes included primary patency of the target lesion and circuit. RESULTS Venous anastomosis of the AVG was the most common target lesion for DES insertion (nine hemodialysis accesses). The range of follow-up time was 12-36 months. Primary patency rates of target lesion before DES (patency for last conventional balloon angioplasty [CBA]) versus target lesion after DES at 6 and 12 months were 29% versus 100% and 7% versus 86% (p < 0.001). Primary patency rates of pre-DES circuit (patency for last CBA) versus post-DES circuit at 6 and 12 months were 29% versus 64% and 7% versus 29%, respectively (p = 0.058). CONCLUSION DES might improve the patency rate of target lesion in patients with significant restenosis of the hemodialysis access.
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Affiliation(s)
- Keerati Hongsakul
- Division of Interventional Radiology, Department of Radiology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, Thailand
| | - Surasit Akkakrisee
- Division of Interventional Radiology, Department of Radiology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, Thailand
| | - Kittipitch Bannangkoon
- Division of Interventional Radiology, Department of Radiology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, Thailand
| | - Ussanee Boonsrirat
- Division of Nephrology, Department of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, Thailand
| | - Dhanakom Premprabha
- Division of Vascular Surgery, Department of Surgery, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, Thailand
| | - Pong Juntarapatin
- Division of Vascular Surgery, Department of Surgery, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, Thailand
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García-Medina J, Maldonado-Cárceles AB, García-Alfonso JJ, Árense-Gonzalo JJ, Torres-Cantero AM. Stent graft deployment in haemodialysis fistula: patency rates in partially thrombosed aneurysm and residual thrombi. Clin Kidney J 2020; 14:814-819. [PMID: 33777364 PMCID: PMC7986443 DOI: 10.1093/ckj/sfz193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Accepted: 12/16/2019] [Indexed: 11/13/2022] Open
Abstract
Background Current evidence is insufficient to determine the contribution of stent grafts as treatment in partially thrombosed aneurysms or residual wall-adherent thrombi in arteriovenous fistulae (AVFs) for haemodialysis. The overall purpose of this study was to analyse patency rates of post-interventional covered stent deployment in those cases. We also assessed if patency rates differed when fistulas were punctured through the stent during dialysis sessions. Methods We conducted a retrospective study between 2006 and 2014 analysing post-intervention primary patency rates using the Kaplan-Meier log-rank test. Multivariate Cox proportional regression models were performed to determine if cannulation within the stent graft area was a potential risk factor for occlusion, by adjusted hazard ratio (HR). Results A total of 27 procedures were included in the study. Primary patency rates (%) after stent deployment at 3, 6, 12, 24, 36 and 72 months were, respectively: total 59, 32, 32, 21, 11 and 5; stent puncture 53, 21, 21, 16, 5 and 0; and no stent puncture 80, 80, 80, 40, 40 and 40. Cannulation through the stent graft was not significantly associated with increased risk of obstruction in multivariate analysis (HR = 3.01; P = 0.286). Conclusion Stent graft treatment may be a feasible procedure in partially thrombosed aneurysms and residual thrombi in AVF. Although fistulas punctured through the stent presented lower patency rates, this practice was not associated with a higher risk of obstruction. Giving the impossibility of comparing with similar approaches, further studies are needed to confirm or refute the advantages of this procedure.
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Affiliation(s)
- José García-Medina
- Department of Vascular and Interventional Radiology, General University Hospital "Reina Sofia", Murcia, Spain
| | - Ana B Maldonado-Cárceles
- Division of Preventive Medicine and Public Health, University of Murcia School of Medicine, Murcia, Spain.,Department of Preventive Medicine, General University Hospital "Reina Sofia", Murcia, Spain
| | - Juan J García-Alfonso
- Division of Preventive Medicine and Public Health, University of Murcia School of Medicine, Murcia, Spain
| | - Julián J Árense-Gonzalo
- Division of Preventive Medicine and Public Health, University of Murcia School of Medicine, Murcia, Spain
| | - Alberto M Torres-Cantero
- Division of Preventive Medicine and Public Health, University of Murcia School of Medicine, Murcia, Spain.,Department of Preventive Medicine, University Hospital "Virgen de la Arrixaca", Murcia, Spain
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10
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Arnold RJ, Han Y, Balakrishnan R, Layton A, Lok CE, Glickman M, Rajan DK. Comparison between Surgical and Endovascular Hemodialysis Arteriovenous Fistula Interventions and Associated Costs. J Vasc Interv Radiol 2018; 29:1558-1566.e2. [DOI: 10.1016/j.jvir.2018.05.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2018] [Revised: 05/15/2018] [Accepted: 05/15/2018] [Indexed: 10/28/2022] Open
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Spanish Clinical Guidelines on Vascular Access for Haemodialysis. Nefrologia 2018; 37 Suppl 1:1-191. [PMID: 29248052 DOI: 10.1016/j.nefro.2017.11.004] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Accepted: 06/21/2017] [Indexed: 12/26/2022] Open
Abstract
Vascular access for haemodialysis is key in renal patients both due to its associated morbidity and mortality and due to its impact on quality of life. The process, from the creation and maintenance of vascular access to the treatment of its complications, represents a challenge when it comes to decision-making, due to the complexity of the existing disease and the diversity of the specialities involved. With a view to finding a common approach, the Spanish Multidisciplinary Group on Vascular Access (GEMAV), which includes experts from the five scientific societies involved (nephrology [S.E.N.], vascular surgery [SEACV], vascular and interventional radiology [SERAM-SERVEI], infectious diseases [SEIMC] and nephrology nursing [SEDEN]), along with the methodological support of the Cochrane Center, has updated the Guidelines on Vascular Access for Haemodialysis, published in 2005. These guidelines maintain a similar structure, in that they review the evidence without compromising the educational aspects. However, on one hand, they provide an update to methodology development following the guidelines of the GRADE system in order to translate this systematic review of evidence into recommendations that facilitate decision-making in routine clinical practice, and, on the other hand, the guidelines establish quality indicators which make it possible to monitor the quality of healthcare.
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Quaretti P, Leati G, Moramarco LP, Cionfoli N, Corti R, Tinelli C, Fiorina I, Galli F. Percutaneous Transanastomotic Stent Graft Deployment to Salvage Dysfunctional Native Forearm Radiocephalic Fistulae: Feasibility and Primary Patency at 12 Months. J Vasc Interv Radiol 2018; 29:986-992. [DOI: 10.1016/j.jvir.2018.02.028] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 02/18/2018] [Accepted: 02/25/2018] [Indexed: 10/16/2022] Open
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13
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Viabahn stent for hemodialysis shunt: efficacy, long segment recanalization and prognostic factors for reintervention. J Vasc Access 2017; 19:76-83. [PMID: 29192725 DOI: 10.5301/jva.5000823] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
INTRODUCTION The study evaluated the Heparin Bioactive Surface (HBS) Viabahn Stent (W.L. Gore & Associates, Flagstaff, Arizona) efficacy in the maintenance or re-establishment of hemodialysis. MATERIALS AND METHODS Fifty HBS Viabahn stents deployed in 37 consecutive patients with hemodialysis dysfunction from January 2008 to May 2016 were evaluated in a single-institution retrospective review. Outcomes were stent patency intended as primary circuit patency (PP), assisted primary patency (APP), target lesion primary patency (TLPP) and secondary patency (SP). Moreover, the risk factor analysis for hemodialysis dysfunction that required reintervention was performed. A subgroup analysis was conducted to assess patency of Viabahn stent to treat peripheral venous long segment obstruction (LSO). RESULTS Overall Kaplan-Meyer PPs were 60% at 12 months and 42% at 24 months. Overall TLPP estimated rates were 68% and 49% at 12 and 24 months, respectively. The corresponding SP rates were 85% and 78% at the same period. Estimated PP rates at 12 and 24 months for stent placement after peripheral venous long segment recanalization procedure were 53% and 31%, respectively. Corresponding SP rates were 82% and 68%, respectively. The APP rates were 79% at 12 months and 61% at 24 months. Female sex, access age and thrombosis were associated with reduced primary patency. CONCLUSIONS Considering the high rates of PP, TLPP, APP and SP, Viabahn stents have been proven effective in maintaining or re-establishing the hemodialysis access. Moreover, stent placement after recanalization of LSO of venous out-flow represented a valid approach to rescue a dysfunctional fistula that would otherwise be abandoned.
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Cho SB, Choi HC, Bae E, Park TJ, Baek HJ, Park SE, Ryu KH, Moon JI, Choi BH, Bae K, Jeon KN. Angioplasty and stenting for the proximal anastomotic stenosis of a brachio-axillary bypass graft using a helical interwoven nitinol stent: A case report. Medicine (Baltimore) 2017; 96:e9073. [PMID: 29390303 PMCID: PMC5815715 DOI: 10.1097/md.0000000000009073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
RATIONALE Thrombosis due to anastomotic site stenosis is the most common complication in patients with brachio-axillary arteriovenous graft (AVG). Intravascular stent placement may play a special role in the salvage of dialysis grafts that have been previously performed percutaneous angioplasty or surgical procedure on the graft. Herein, we applied a novel stent named Supera which has a high degree of flexibility and resistance to external compression for treating a patient with recurrent venous anastomotic stenosis of brachio-axillary AVG. PATIENTS CONCERNS AND DIAGNOSES We report a case of the patient with end-stage renal disease who presented with brachio-axillary AVG malfunction. INTERVENTIONS The patient underwent repeated percutaneous angioplasty with thrombectomy for total graft occlusion, and we placed the Supera stent to salvage the graft. OUTCOMES Postprocedural Doppler ultrasonography did not show any restenosis on the 1- and 3-month follow-up periods, and average flow volume in the stent was >1000 mL/min. And he has been on dialysis for 6 months without any problems after stent placement. LESSONS The Supera stent is a useful treatment option of interventional procedure for recurrent venous anastomotic stenosis of brachio-axillary AVG in the clinical practice.
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Affiliation(s)
- Soo Buem Cho
- Department of Radiology, Gyeongsang National University School of Medicine, Gyeongsang National University Changwon Hospital, Seongsan-gu, Changwon
| | - Ho Cheol Choi
- Department of Radiology, Gyeongsang National University School of Medicine, Gyeongsang National University Hospital, Jinju
| | - EunJin Bae
- Department of Internal Medicine, Gyeongsang National University School of Medicine, Gyeongsang National University Changwon Hospital
| | - Tae Jin Park
- Department of Surgery, Gyeongsang National University School of Medicine, Gyeongsang National University Changwon Hospital, Republic of Korea
| | - Hye Jin Baek
- Department of Radiology, Gyeongsang National University School of Medicine, Gyeongsang National University Changwon Hospital, Seongsan-gu, Changwon
| | - Sung Eun Park
- Department of Radiology, Gyeongsang National University School of Medicine, Gyeongsang National University Changwon Hospital, Seongsan-gu, Changwon
| | - Kyeong Hwa Ryu
- Department of Radiology, Gyeongsang National University School of Medicine, Gyeongsang National University Changwon Hospital, Seongsan-gu, Changwon
| | - Jin Il Moon
- Department of Radiology, Gyeongsang National University School of Medicine, Gyeongsang National University Changwon Hospital, Seongsan-gu, Changwon
| | - Bo Hwa Choi
- Department of Radiology, Gyeongsang National University School of Medicine, Gyeongsang National University Changwon Hospital, Seongsan-gu, Changwon
| | - Kyungsoo Bae
- Department of Radiology, Gyeongsang National University School of Medicine, Gyeongsang National University Changwon Hospital, Seongsan-gu, Changwon
| | - Kyung Nyeo Jeon
- Department of Radiology, Gyeongsang National University School of Medicine, Gyeongsang National University Changwon Hospital, Seongsan-gu, Changwon
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Corti R, Quaretti P, Galli F, Moramarco LP, Cionfoli N, Leati G, Corbetta R, Tozzi M. New therapeutic options provided by off-label deployment of stent graft for tailored arteriovenous access salvage: Two cases. SAGE Open Med Case Rep 2017; 5:2050313X17741827. [PMID: 29163957 PMCID: PMC5692143 DOI: 10.1177/2050313x17741827] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 10/17/2017] [Indexed: 11/20/2022] Open
Abstract
A tailored therapy to patient requirements by combining endovascular and surgical steps can be necessary to prolong the life of a vascular access. Stent grafts play a growing role for the therapy of dialytic access complications. Randomized multi-center trials, however, support the on-label use of stent grafts in the treatment of graft venous outflow and in-stent restenosis. The main contraindication to their use is an ongoing infection. We report two cases of new off-label application of Viabahn (Gore, flagstaff, USA) stent graft. In the first case, the failure of a radiocephalic early cannulation graft was treated by stent graft placement on the arterial inflow anastomosis, when emergent angiographic examination revealed the previously unknown high takeoff of the radial artery from the axillary artery. At 13-month follow-up, the target lesion remained untreated. In the second case, elbow stent graft occlusion with extended thrombosis occurred in a right radiocephalic fistula after 3 years of unassisted patency. Being the last option for vascular access, successful endovascular recanalization was carried out. After 3 months, however, the clinical setting relapsed. A two-stage hybrid strategy with vascular surgeon was arranged due to ongoing signs of local infection. Flow was restored by emergent thromboaspiration associated with a new stent graft placement as a endovascular bridge to subsequent surgical treatment. After 2 days, the overlapped stent grafts were excised as planned. Surgical rerouting was completed by polytetrafluoroethylene prosthetic bridge implantation across the elbow. At 4 months, the follow-up remained uneventful. In selected instances, the off-label use of stent grafts may expand the therapeutic options of the vascular access team.
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Affiliation(s)
- Riccardo Corti
- Unit of Interventional Radiology, Department of Radiology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Pietro Quaretti
- Unit of Interventional Radiology, Department of Radiology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Franco Galli
- Nephrology and Dialysis, IRCCS Fondazione Salvatore Maugeri, Pavia, Italy
| | - Lorenzo Paolo Moramarco
- Unit of Interventional Radiology, Department of Radiology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Nicola Cionfoli
- Unit of Interventional Radiology, Department of Radiology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Giovanni Leati
- Unit of Interventional Radiology, Department of Radiology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Riccardo Corbetta
- Vascular Surgery Department, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Matteo Tozzi
- Vascular Surgery Department, Center For Research on Organ Transplantation, University of Insubria, Varese, Italy
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Senthoor D, Thant KZ, Ng TK, Ho P. Clinical Course of Hemodialysis Access After Initial Endovascular Intervention for Stenosis in Asian Renal Failure Patients. Vasc Endovascular Surg 2017; 51:363-367. [PMID: 28480823 DOI: 10.1177/1538574417706639] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Arteriovenous fistula (AVF) and arteriovenous fistula graft (AVG) access for hemodialysis can develop stenosis, eventually leading to thrombosis and access failure. Prompt endovascular intervention can salvage the access but restenosis does occur. Clinical course, restenosis pattern, and risk factors associated with initial stenosis of AVFs/AVGs in Asian hemodialysis patients were studied. METHOD A retrospective study was conducted (January 2009-June 2012) on consecutive patients with renal failure who developed the first-time stenosis in the vascular access and were managed with endovascular intervention. One hundred fourteen patients (54 AVFs and 60 AVGs) were studied, and all clinical outcomes were recorded until October 2013. RESULTS The mean time from access creation to endovascular intervention for the first-time stenosis for patients with AVF and AVG was 23.5 (32.7 standard deviation [SD]) months and 12.5 (11.0) months, respectively. An average of 1.7 (range, 1-5) interventions were performed for AVFs, whereas 2.4 (range, 1-11) for AVGs ( P = .008). Upon conclusion of the study, 23 patients with AVF survived with functional index access, whereas 10 passed away with a functional original access. The remaining 21 patients with AVFs failed, requiring new access, tunneled catheter, or peritoneal dialysis. Of the 60 patients with AVG, 6 survived and 8 died with functional index access; 46 required new access or other forms of dialysis ( P = .000). Kaplan-Meier estimated that access patency and survival with functional access were significantly lower for AVGs than for AVFs after the first salvage intervention. Female patients had an increased risk of restenosis with both univariate ( P = .016) and multivariate ( P = .013) analysis. With univariate analysis ( P = .039), patients with hyperlipidemia had a higher risk of developing restenosis in the vascular access. CONCLUSION The clinical course and prognosis of failing AVFs and AVGs are distinct. The information on access prognosis and stenosis recurrence patterns will be helpful for patient counseling and planning of follow-up intervals, after the first-time intervention for access stenosis.
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Affiliation(s)
- Dewahar Senthoor
- 1 Department of Biology and Medicine, Alpert Medical School, Brown University, Providence, RI, USA.,2 Whitaker International Program, Institute of International Education, New York, NY, USA.,3 Department of Biomedical Engineering, National University of Singapore, Singapore
| | - Kyi Zin Thant
- 4 Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Tze-Kiat Ng
- 5 Department of Urology, National University Health System, Singapore
| | - Pei Ho
- 4 Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.,6 Department of Cardiac, Thoracic and Vascular Surgery, National University Health System, Singapore
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Stent grafts for treatment of cannulation zone stenosis and arteriovenous graft venous anastomosis. J Vasc Access 2017; 18:47-52. [DOI: 10.5301/jva.5000680] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/27/2016] [Indexed: 11/20/2022] Open
Abstract
Stent grafts (SGs) are widely used for treatment of failing vascular accesses, fistulas and grafts. The mechanical barrier of the covered stent prevents in-stent stenosis and can be used to effectively correct ruptured vein and aneurysms. Treatment of cannulation zone stenosis with SG can be justified when its use is obligatory, in order to prevent total access loss. Although there are worrying complications attendant on SG insertion and cannulation, including jeopardizing future access creation, most studies report no complications of SG in cannulation zone stenosis. SGs for treatment of arteriovenous graft venous anastomosis stenosis is controversial. Two large randomized trials conclusively demonstrate improved primary patency with SGs at the venous anastomosis of arteriovenous graft at up to two years when compared with percutaneous transluminal angioplasty, sustained for up to 2 years and reducing the number of interventions per patient year. However, the ultimate goal of SG treatment of venous anastomosis stenosis is preventing thrombosis and increasing graft longevity, which was unfortunately not fully achieved.
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Dariushnia SR, Walker TG, Silberzweig JE, Annamalai G, Krishnamurthy V, Mitchell JW, Swan TL, Wojak JC, Nikolic B, Midia M. Quality Improvement Guidelines for Percutaneous Image-Guided Management of the Thrombosed or Dysfunctional Dialysis Circuit. J Vasc Interv Radiol 2016; 27:1518-30. [DOI: 10.1016/j.jvir.2016.07.015] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Revised: 07/12/2016] [Accepted: 07/14/2016] [Indexed: 01/20/2023] Open
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Abstract
Dialysis access failure is a major cause of mortality and morbidity among dialysis patients. Preservation of access is critical to maintaining hemostasis, avoiding uremia, and managing the complications of kidney failure. While angioplasty remains the most common method of managing arteriovenous (AV) access stenoses, the use of stents and stent grafts to manage venous stenoses associated with AV access has become more prominent. There have been several prospective randomized trials that have demonstrated the benefit of these devices in maintaining the target lesion patency of the treated areas. In this article, the author reviews the data relating to stent and stent-graft use at the venous anastomosis and outflow veins for pseudoaneurysms of grafts, at the cephalic arch, and for central venous stenoses.
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Affiliation(s)
- Gordon McLennan
- Department of Radiology and Biomedical Engineering, Cleveland Clinic, Cleveland, Ohio
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20
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Retrospective review of arteriovenous fistula success rate in a multi-ethnic Asian population. J Vasc Access 2016; 17:131-7. [PMID: 26797904 DOI: 10.5301/jva.5000495] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/12/2015] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Native vein arteriovenous fistulas (AVFs) are the recommended first-line vascular access in hemodialysis patients. Despite this, AVFs are plagued with unfavorable maturation rates. We conducted a retrospective cohort study to assess the AVF success rate and to identify any significant associating factors. METHODOLOGY Demographic and clinical data of all AVFs created from January 2011 to June 2013 at a single center with a multi-ethnic Asian population, were reviewed. The primary outcome was AVF successfully used for hemodialysis (FUSH) at 6 months. Secondary endpoints were the overall FUSH and actual maturation time of the AVFs. Univariate and multivariate analyses were performed to identify factors associated with AVF success. RESULTS A total of 375 fistulas were created during the study period (110 radiocephalic, 176 brachiocephalic, 89 brachiobasilic). The mean age was 59.4 ± 12.6 years and 42.9% were females. Seventy-one percent of patients had diabetes, 32.5% had ischemic heart disease and 10.7% had peripheral vascular disease. 246/375 (65.6%) AVFs FUSH by 6 months, and the average AVF maturation time was 16.1 ± 10.7 weeks. Of the 246 AVFs, 11% required secondary procedure to assist their success. Univariate analysis showed that gender (p = 0.035), age (p = 0.018), vein size on pre-operative vein mapping (p = 0.004) and operating surgeon (p = 0.021) were significant factors associated with AVF success. On multivariate analysis, age, pre-operative vein size and operating surgeon were significantly associated with fistula success. CONCLUSIONS Reasonable FUSH rates can be achieved in the study patients. Patient age, pre-operative vein mapping size and operating surgeon were shown to influence AVF success rate.
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Surgical Options in the Problematic Arteriovenous Haemodialysis Access. Cardiovasc Intervent Radiol 2015; 38:1405-15. [DOI: 10.1007/s00270-015-1155-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Accepted: 05/30/2015] [Indexed: 11/27/2022]
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22
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Outcomes of AV Fistulas and AV Grafts after Interventional Stent-Graft Deployment in Haemodialysis Patients. Cardiovasc Intervent Radiol 2014; 38:878-86. [DOI: 10.1007/s00270-014-1018-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2014] [Accepted: 09/22/2014] [Indexed: 10/24/2022]
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23
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Aftab SA, Tay KH, Irani FG, Gong Lo RH, Gogna A, Haaland B, Tan SG, Chng SP, Pasupathy S, Choong HL, Tan BS. Randomized Clinical Trial of Cutting Balloon Angioplasty versus High-Pressure Balloon Angioplasty in Hemodialysis Arteriovenous Fistula Stenoses Resistant to Conventional Balloon Angioplasty. J Vasc Interv Radiol 2014; 25:190-8. [DOI: 10.1016/j.jvir.2013.10.020] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Revised: 10/12/2013] [Accepted: 10/14/2013] [Indexed: 11/24/2022] Open
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Rajan DK. New Device, Same Problem, No Definitive Answer. J Vasc Interv Radiol 2013; 24:1287-8. [DOI: 10.1016/j.jvir.2013.06.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2013] [Accepted: 06/03/2013] [Indexed: 10/26/2022] Open
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Zink JN, Netzley R, Erzurum V, Wright D. Complications of endovascular grafts in the treatment of pseudoaneurysms and stenoses in arteriovenous access. J Vasc Surg 2013; 57:144-8. [DOI: 10.1016/j.jvs.2012.06.087] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2012] [Revised: 06/11/2012] [Accepted: 06/11/2012] [Indexed: 10/27/2022]
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Venous Aneurysms in Autogenous Hemodialysis Fistulas: Is There an Association with Venous Outflow Stenosis? J Vasc Access 2012; 14:126-30. [DOI: 10.5301/jva.5000111] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/03/2012] [Indexed: 11/20/2022] Open
Abstract
Purpose To determine whether patients with venous aneurysms in their arteriovenous fistulas (AVFs) have associated venous outflow stenoses. Materials and Methods A retrospective study was performed, which included all patients presenting with dysfunction and had venous aneurysms in their AVFs. Patient's medical records and imaging studies were examined and data collected including access characteristics, patient demographics and imaging findings. Data were analyzed using Fisher's exact test. Results A total of 89 patients (58 men, 31 women; mean age 60) presented for intervention related to access dysfunction with incident venous aneurysms over the study period. Of the 89 patients with venous aneurysms (mean diameter 2.3 cm) of their AVF's, 69 (78%) patients had an associated venous outflow stenosis. The stenoses were present most commonly in the outflow cephalic vein (57%), followed by the cephalic arch (20%), brachiocephalic vein (10%) and subclavian vein (6%). Outflow stenoses in AVFs with venous aneurysms were observed in 87% of brachiocephalic AVFs, 60% of radiocephalic AVFs and 80% of brachiobasilic AVFs. Brachiocephalic AVFs with venous aneurysms were significantly more likely to have an associated outflow stenosis than radiocephalic AVFs with venous aneurysms (P=0.007). AVFs with outflow stenosis were on average 1502 days old while AVFs without outflow stenosis were on average 2351 days old, which was a statistically significant difference (P=0.031). No statistically significant differences were observed for sex and side of the fistula. Conclusions Outflow stenosis was observed to be associated with venous aneurysms in AVFs with a more statistically significant association in brachiocephalic AVFs compared to other AVFs.
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Shawyer A, Fotiadis NI, Namagondlu G, Iyer A, Blunden M, Raftery M, Yaqoob M. Cephalic Arch Stenosis in Autogenous Haemodialysis Fistulas: Treatment With the Viabahn Stent-Graft. Cardiovasc Intervent Radiol 2012; 36:133-9. [DOI: 10.1007/s00270-012-0433-x] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2012] [Accepted: 05/22/2012] [Indexed: 11/24/2022]
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Outcomes of Prosthetic Hemodialysis Grafts after Deployment of Bare Metal versus Covered Stents at the Venous Anastomosis. Cardiovasc Intervent Radiol 2012; 35:832-8. [DOI: 10.1007/s00270-012-0413-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2011] [Accepted: 04/22/2012] [Indexed: 10/28/2022]
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Dolmatch BL, Duch JM, Winder R, Butler GM, Kershen M, Patel R, Trimmer CK, Lopera JE, Davidson IJ. Salvage of Angioplasty Failures and Complications in Hemodialysis Arteriovenous Access Using the FLUENCY Plus Stent Graft: Technical and 180-Day Patency Results. J Vasc Interv Radiol 2012; 23:479-87. [DOI: 10.1016/j.jvir.2011.12.024] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2011] [Revised: 12/21/2011] [Accepted: 12/26/2011] [Indexed: 10/28/2022] Open
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Abstract
Covered stents or stent grafts are exciting new products with multiple applications for patients with vascular disease, including hemodialysis access-related complications. Although most of the current uses of stent grafts in these settings are "off-label" (ie, not approved by the US Food and Drug Administration) several studies are currently underway to provide the necessary data to support their application. It is clear that stent grafts provide a rapid, effective means for endovascular repair of ruptured access vessels. The commercially available devices and their current applications for treating access-related complications, including aneurysms/pseudoaneurysms, venous outflow stenoses, cephalic arch lesions, ruptures, and diffuse access stenoses, will be reviewed in this article. Available data are reported along with our current clinical practice and algorithms.
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Affiliation(s)
- Eric K Peden
- Methodist DeBakey Heart and Vascular Center, Houston, TX 77030, USA.
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Hatakeyama S, Toikawa T, Okamoto A, Yamamoto H, Imanishi K, Okamoto T, Tokui N, Suzuki Y, Sugiyama N, Imai A, Hashimoto Y, Kudo S, Yoneyama T, Koie T, Kamimura N, Saitoh H, Funyu T, Ohyama C. Efficacy of SMART Stent Placement for Salvage Angioplasty in Hemodialysis Patients with Recurrent Vascular Access Stenosis. Int J Nephrol 2011; 2011:464735. [PMID: 22164331 PMCID: PMC3227441 DOI: 10.4061/2011/464735] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2011] [Revised: 10/02/2011] [Accepted: 10/05/2011] [Indexed: 11/20/2022] Open
Abstract
Vascular access stenosis is a major complication in hemodialysis patients. We prospectively observed 50 patients in whom 50 nitinol shape-memory alloy-recoverable technology (SMART) stents were used as salvage therapy for recurrent peripheral venous stenosis. Twenty-five stents each were deployed in native arteriovenous fistula (AVF) and synthetic arteriovenous polyurethane graft (AVG) cases. Vascular access patency rates were calculated by Kaplan-Meier analysis. The primary patency rates in AVF versus AVG at 3, 6, and 12 months were 80.3% versus 75.6%, 64.9% versus 28.3%, and 32.3% versus 18.9%, respectively. The secondary patency rates in AVF versus AVG at 3, 6, and 12 months were 88.5% versus 75.5%, 82.6% versus 61.8%, and 74.4% versus 61.8%, respectively. Although there were no statistically significant difference in patency between AVF and AVG, AVG showed poor tendency in primary and secondary patency. The usefulness of SMART stents was limited in a short period of time in hemodialysis patients with recurrent vascular access stenosis.
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Affiliation(s)
- Shingo Hatakeyama
- Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan
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Jones RG, Willis AP, Jones C, McCafferty IJ, Riley PL. Long-term results of stent-graft placement to treat central venous stenosis and occlusion in hemodialysis patients with arteriovenous fistulas. J Vasc Interv Radiol 2011; 22:1240-5. [PMID: 21764328 DOI: 10.1016/j.jvir.2011.06.002] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2010] [Revised: 05/29/2011] [Accepted: 06/07/2011] [Indexed: 12/01/2022] Open
Abstract
PURPOSE To determine the effectiveness of stent-grafts for the treatment of central venous disease in hemodialysis patients with functioning arteriovenous (AV) fistulas. MATERIALS AND METHODS Between October 2004 and March 2010, 42 VIABAHN stent-grafts were deployed in central veins of 30 patients (16 men, 14 women; mean age 60 y) with functioning AV fistulas and central venous disease that did not respond to percutaneous transluminal angioplasty (PTA). Eighteen patients had central vein stenosis and 12 had occlusion. Previous PTA and/or bare metal stent placement had been performed in 23 patients (77%). Surveillance was carried out at 3, 6, 9, 12, 18, and 24 months with diagnostic fistulography. The mean follow-up was 705 days (range, 66-1,645 d). Statistical analysis included Kaplan-Meier and log-rank studies. RESULTS Technical success rate was 100%. Primary patency rates were 97%, 81%, 67%, and 45% at 3, 6, 12, and 24 months, respectively. Primary assisted patency rates were 100%, 100%, 80%, and 75% at 3, 6, 12, and 24 months, respectively. Patients without previous procedures had significantly shorter times to repeat intervention (P = .018) than those who had undergone PTA or bare metal stent placement previously. Patients with occlusive lesions had a significantly shorter primary patency interval (P = .05) than patients with stenoses. Occluded veins were more likely to require further stent-grafts (P = .02). Twelve patients required further stent-grafts to maintain patency. There was one minor complication. CONCLUSIONS Stent-graft placement to treat central venous disease in hemodialysis patients with autogenous AV fistulas is safe and effective if PTA fails to maintain luminal patency.
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Affiliation(s)
- Robert G Jones
- Radiology Department, Queen Elizabeth Hospital Birmingham, University Hospital Birmingham NHS Trust, Edgbaston, Birmingham B15 2TH, United Kingdom.
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