Summary of NKF KDOQITM Clinical Practice Guidelines for Vascular Access, Update 20061

Summary of NKF KDOQITM Clinical Practice Guidelines for Vascular Access, Update 20061

Summary of NKF KDOQITMClinical PracticeGuidelines for Vascular Access, Update 20061

PURPOSE

To provide guidelines for clinical practice related to increasing theplacement of native fistulae, detecting access dysfunction beforeaccess thrombosis and implementing quality improvementprograms.

GOALS

●Early identification of patients with progressive kidney disease

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IDENTIFICATION AND PROTECTION OF POTENTIAL FISTULA CONSTRUCTION SITES Recommended evaluations:

●History and physical examination

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Duplex ultrasound of the upper-extremity arteries and veins Central vein evaluation (if history of a previous catheter orpacemaker)

Identification and protection of potential fistula constructionsites

Early access dysfunction detection

Implementation of procedures to maximize access longevity

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CKD stage 4 or 5, forearm and upper-arm veins suitable forplacement of vascular access should not be used for:●Venipuncture

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Placement of intravenous (IV) catheters Subclavian catheters

Peripherally inserted central catheter lines (PICCs)

CENTERS FOR MEDICARE AND MEDICAID SERVICES (CMS)CMS Phase III ESRD Clinical Performance Measures for vascularaccess list 5 measures for vascular access which can be distilled into3 key points: avoid central catheterization, maintain existing accessby detecting impending failure, and maximize creation of

functional autogenous AV fistulae (AVF). The CMS nationwidestretch goal of increasing the percentage of hemodialysis patientsusing AVF is 66% by 2009.

EARLY IDENTIFICATION OF PATIENTS WITHPROGRESSIVE KIDNEY DISEASE

Patients with a glomerular filtration rate (GFR) less than 30mL/min/1.73 m2(CKD stage 4) should be educated on allmodalities of kidney replacement therapy options, includingtransplantation, so that timely referral can be made for theappropriate modality and placement of a permanent dialysisaccess, if necessary. Patients should have a functional permanentaccess at the initiation of dialysis therapy.

Recommended timeframes for access placement prior to initiationof dialysis:

●Fistula: At least 6 months prior, prefer wrist (radiocephalic) orelbow (brachiocephalic) primary fistula

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EARLY ACCESS DYSFUNCTION DETECTION

Prospective surveillance of fistulae and grafts for hemodynamicallysignificant stenosis, when combined with correction of the

anatomic stenosis, may improve patency rates and may decreasethe incidence of thrombosis. NKF KDOQI guidelines

recommend an organized monitoring/surveillance approach withregular assessment of clinical parameters of the AV access andhemodialysis (HD) adequacy. Data from the clinical assessmentand HD adequacy measurements should be collected and

maintained for each patient's access and made available to all staff.The data should be tabulated and tracked within each HD centeras part of a Quality Assurance (QA)/CQI program.

Summary of monitoring and surveillance tools:Physical examination (monitoring)

■Inspection: Assess for bleeding/swelling/clotting/cannulation problems■Palpation■Auscultation

Surveillance of graftsPreferred:

■Intra-access flow using sequential measurements with trend analysis

■Directly measured or derived static venous dialysis pressure ■Duplex ultrasound Surveillance of fistulaPreferred:

■Direct flow measurements ■Duplex ultrasound

Acceptable:

■Recirculation using a non–urea-based dilutional method ■Static pressures, direct or derived

Graft: In most cases, at least 3 to 6 weeks prior, prefer forearmloop graft, to a straight configuration

Peritoneal dialysis (PD) catheter should be placed at least 2weeks prior

Avoid long term central venous catheters

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