Ann Surg Treat Res.  2016 Apr;90(4):224-230. 10.4174/astr.2016.90.4.224.

Impact of a preoperative evaluation on the outcomes of an arteriovenous fistula

• Kim SM
• Han Y
• Kwon H
• Hong HS
• Choi JY
• Park H
• Kwon TW
• Cho YP

• KMID: 2160953
• DOI: http://doi.org/10.4174/astr.2016.90.4.224

Abstract

PURPOSE
The aim of this study was to determine the possible predictors of primary arteriovenous fistula (AVF) failure and examine the impact of a preoperative evaluation on AVF outcomes.
METHODS
A total of 539 patients who underwent assessment for a suitable site for AVF creation by physical examination alone or additional duplex ultrasound were included in this study. Demographics, patient characteristics, and AVF outcomes were analyzed retrospectively.
RESULTS
AVF creation was proposed in 469 patients (87.0%) according to physical examination alone (351 patients) or additional duplex ultrasound (118 patients); a prosthetic arteriovenous graft was initially placed in the remaining 70 patients (13.0%). Although the primary failure rate was significantly higher in patients assessed by duplex ultrasound (P = 0.001), ultrasound information changed the clinical plan, increasing AVF use for dialysis, in 92 of the 188 patients (48.9%) with an insufficient physical examination. Female sex and diabetes mellitus were risk factors significantly associated with primary AVF failure. Because of different inclusion criteria and a lack of adjustment for baseline differences, Kaplan-Meier survival analysis showed better AVF outcomes in patients assessed by physical examination alone; an insufficient physical examination was the only risk factor significantly associated with AVF outcomes.
CONCLUSION
Routine use of duplex ultrasound is not necessary in chronic kidney disease patients with a satisfactory physical examination. Given that female gender and diabetes mellitus are significantly associated with primary AVF failure, duplex ultrasound could be of particular benefit in these subtypes of patients without a sufficient physical examination.

Keyword

Renal dialysis; Chronic kidney failure; Treatment outcome; Physical examination; Ultrasonography

MeSH Terms

Arteriovenous Fistula*
Demography
Diabetes Mellitus
Dialysis
Female
Humans
Kidney Failure, Chronic
Physical Examination
Renal Dialysis
Renal Insufficiency, Chronic
Retrospective Studies
Risk Factors
Transplants
Treatment Outcome
Ultrasonography

Figure

• 

  Fig. 1 Flow chart of patient inclusion and the management protocol. Values in parentheses are the number of patients. AVF, arteriovenous fistula; AVG, arteriovenous graft.

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  Fig. 2 Kaplan-Meier survival analysis of patients undergoing AVF creation (including maturation failure). Cumulative functional primary patency (A) and cumulative AVF survival (B) between patients assessed by physical examination alone and patients additionally assessed by duplex ultrasound. AVF, arteriovenous fistula.

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