Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
PHASE4
150 participants
INTERVENTIONAL
2011-01-31
2013-01-31
Brief Summary
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Detailed Description
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All patients were operated on by a single surgeon (Dr Mozafar. The non dominant upper extremity (mostly the left arm) was generally used unless unfavorable vasculature or previous fistula placement changed the preference. The anastomosis technique was either end-to-side or side-to-side using a number 6.0 prolene suture. 75 patients were randomly assigned to receive 100units/kg of heparin after dissection prior to anastomosis while the other 75 received no intraoperative heparin injection. Auscultation of bruit and palpation of thrill was used to assess arteriovenous fistula patency in the first 24 hours after AVF placement.
Data analysis was performed using SPSS v.20. A p-value of less than 0.05 was considered as statistically significant. Bivariate analysis in the form of Chi-square tests, T-test and Fischer's exact test were calculated.
Patient enrollment was voluntary and no costs were imposed on the patients. The study protocol was in accordance with 1975 Declaration of Helsinki.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
PREVENTION
NONE
Study Groups
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Heparin
75 patients were randomly assigned to receive 100units/kg of heparin after dissection prior to anastomosis.
Heparin
100units/kg of heparin were administered for the case group after dissection prior to anastomosis.
Control
75 received no intraoperative heparin injection.
No interventions assigned to this group
Interventions
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Heparin
100units/kg of heparin were administered for the case group after dissection prior to anastomosis.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
ALL
No
Sponsors
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Fatemeh Hoseinzadegan
OTHER
Responsible Party
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Fatemeh Hoseinzadegan
Dr.
Principal Investigators
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Mohammad Mozafar, M.D.
Role: STUDY_DIRECTOR
Associate Professor of General and Vascular Surgery
References
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Zhang QL, Rothenbacher D. Prevalence of chronic kidney disease in population-based studies: systematic review. BMC Public Health. 2008 Apr 11;8:117. doi: 10.1186/1471-2458-8-117.
Allon M, Robbin ML. Increasing arteriovenous fistulas in hemodialysis patients: problems and solutions. Kidney Int. 2002 Oct;62(4):1109-24. doi: 10.1111/j.1523-1755.2002.kid551.x.
Haimov M, Baez A, Neff M, Slifkin R. Complications of arteriovenous fistulas for hemodialysis. Arch Surg. 1975 Jun;110(6):708-12. doi: 10.1001/archsurg.1975.01360120026004. No abstract available.
Perera GB, Mueller MP, Kubaska SM, Wilson SE, Lawrence PF, Fujitani RM. Superiority of autogenous arteriovenous hemodialysis access: maintenance of function with fewer secondary interventions. Ann Vasc Surg. 2004 Jan;18(1):66-73. doi: 10.1007/s10016-003-0094-y. Epub 2004 Jan 20.
Abularrage CJ, Sidawy AN, Weiswasser JM, White PW, Arora S. Medical factors affecting patency of arteriovenous access. Semin Vasc Surg. 2004 Mar;17(1):25-31. doi: 10.1053/j.semvascsurg.2003.11.006.
Green LD, Lee DS, Kucey DS. A metaanalysis comparing surgical thrombectomy, mechanical thrombectomy, and pharmacomechanical thrombolysis for thrombosed dialysis grafts. J Vasc Surg. 2002 Nov;36(5):939-45. doi: 10.1067/mva.2002.127524.
Smith GE, Gohil R, Chetter IC. Factors affecting the patency of arteriovenous fistulas for dialysis access. J Vasc Surg. 2012 Mar;55(3):849-55. doi: 10.1016/j.jvs.2011.07.095. Epub 2011 Nov 8.
Erkut B, Unlu Y, Ceviz M, Becit N, Ates A, Colak A, Kocak H. Primary arteriovenous fistulas in the forearm for hemodialysis: effect of miscellaneous factors in fistula patency. Ren Fail. 2006;28(4):275-81. doi: 10.1080/08860220600583617.
Dember LM, Beck GJ, Allon M, Delmez JA, Dixon BS, Greenberg A, Himmelfarb J, Vazquez MA, Gassman JJ, Greene T, Radeva MK, Braden GL, Ikizler TA, Rocco MV, Davidson IJ, Kaufman JS, Meyers CM, Kusek JW, Feldman HI; Dialysis Access Consortium Study Group. Effect of clopidogrel on early failure of arteriovenous fistulas for hemodialysis: a randomized controlled trial. JAMA. 2008 May 14;299(18):2164-71. doi: 10.1001/jama.299.18.2164.
Ghorbani A, Aalamshah M, Shahbazian H, Ehsanpour A, Aref A. Randomized controlled trial of clopidogrel to prevent primary arteriovenous fistula failure in hemodialysis patients. Indian J Nephrol. 2009 Apr;19(2):57-61. doi: 10.4103/0971-4065.53323.
Akin EB, Topcu O, Ozcan H, Ersoz S, Aytac S, Anadol E. Hemodynamic effect of transdermal glyceryl trinitrate on newly constructed arteriovenous fistula. World J Surg. 2002 Oct;26(10):1256-9. doi: 10.1007/s00268-002-6515-1. Epub 2002 Sep 4.
Tessitore N, Bedogna V, Poli A, Mantovani W, Lipari G, Baggio E, Mansueto G, Lupo A. Adding access blood flow surveillance to clinical monitoring reduces thrombosis rates and costs, and improves fistula patency in the short term: a controlled cohort study. Nephrol Dial Transplant. 2008 Nov;23(11):3578-84. doi: 10.1093/ndt/gfn275. Epub 2008 May 29.
Sharathkumar A, Hirschl R, Pipe S, Crandell C, Adams B, Lin JJ. Primary thromboprophylaxis with heparins for arteriovenous fistula failure in pediatric patients. J Vasc Access. 2007 Oct-Dec;8(4):235-44.
Bhomi KK, Shrestha S, Bhattachan CL. Role of systemic anticoagulation in patients undergoing vascular access surgery. Nepal Med Coll J. 2008 Dec;10(4):222-4.
D'Ayala M, Smith RM, Martone C, Briggs W, Deitch JS, Wise L. The effect of systemic anticoagulation in patients undergoing angioaccess surgery. Ann Vasc Surg. 2008 Jan;22(1):11-5. doi: 10.1016/j.avsg.2007.09.002. Epub 2007 Dec 4.
Wang BR, Rowe VL, Ham SW, Han S, Patel K, Weaver FA, Woo K. A prospective clinical evaluation of the effects of intraoperative systemic anticoagulation in patients undergoing arteriovenous fistula surgery. Am Surg. 2010 Oct;76(10):1112-4. doi: 10.1177/000313481007601020.
Other Identifiers
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SHBMU-001124
Identifier Type: -
Identifier Source: org_study_id
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