Does a plain X-ray of the pelvis predict arterial complications in renal transplantation? A prospective study

Nephrol Dial Transplant. 2011 Jun;26(6):2007-12. doi: 10.1093/ndt/gfq705. Epub 2010 Nov 19.

Abstract

Background: It is unknown whether if a plain X-ray of the iliac arteries (pelvic X-ray) is a reliable tool to detect calcifications and predict vascular complications.

Methods: In a prospective study, a pelvic X-ray was performed before transplantation in patients without evidence of peripheral vascular disease (n = 109) and vascular calcifications were scored. Vascular calcifications in the iliac arteries and complications were scored by the transplant surgeon during the operation (gold standard).

Results: Vascular calcifications were found on the pelvic X-ray in 33 patients (30.2%). The transplant surgeon identified vascular calcifications in 35%. Sensitivity and specificity of the pelvic X-ray for vascular calcifications in the iliac arteries were 48 and 82%, respectively. Technical problems with the arterial anastomosis due to vascular calcifications were observed in five patients. The negative predictive value and positive predictive value of a pelvic X-ray for complications with the arterial anastomosis were 99 and 14%, respectively.

Conclusions: A pelvic X-ray is not a reliable tool to detect vascular calcifications. Technical problems with the arterial anastomosis due to calcifications are infrequent in the absence of vascular calcifications on the pelvic X-ray.

MeSH terms

  • Calcinosis / complications
  • Calcinosis / diagnostic imaging*
  • Female
  • Follow-Up Studies
  • Glomerular Filtration Rate
  • Humans
  • Iliac Artery / diagnostic imaging
  • Kidney Failure, Chronic / therapy
  • Kidney Function Tests
  • Kidney Transplantation / adverse effects*
  • Male
  • Middle Aged
  • Observer Variation
  • Pelvis / diagnostic imaging*
  • Prognosis
  • Prospective Studies
  • Radiography
  • Risk Factors
  • Sensitivity and Specificity
  • Survival Rate
  • Vascular Diseases / diagnostic imaging*
  • Vascular Diseases / etiology
  • Vascular Diseases / mortality
  • X-Rays