Display options
Cite
Acker MR, Clark R, Anderson P. Gravity-assisted drainage imaging in the assessment of pediatric hydronephrosis. Can Urol Assoc J. 2016;10(3):96-100doi: 10.5489/cuaj.3237.
Acker, M. R., Clark, R., & Anderson, P. (2016). Gravity-assisted drainage imaging in the assessment of pediatric hydronephrosis. Canadian Urological Association journal = Journal de l'Association des urologues du Canada, 10(3), 96-100. https://doi.org/10.5489/cuaj.3237
Acker, Matthew R, et al. "Gravity-assisted drainage imaging in the assessment of pediatric hydronephrosis." Canadian Urological Association journal = Journal de l'Association des urologues du Canada vol. 10,3 (2016): 96-100. doi: https://doi.org/10.5489/cuaj.3237
Acker MR, Clark R, Anderson P. Gravity-assisted drainage imaging in the assessment of pediatric hydronephrosis. Can Urol Assoc J. 2016 Mar-Apr;10(3):96-100. doi: 10.5489/cuaj.3237. PMID: 27217854; PMCID: PMC4840009.
Copy Download .nbib Format: NLM
Share it on

Can Urol Assoc J. 2016 Mar-Apr;10(3):96-100. doi: 10.5489/cuaj.3237.

Gravity-assisted drainage imaging in the assessment of pediatric hydronephrosis.

Canadian Urological Association journal = Journal de l'Association des urologues du Canada

Matthew R Acker, Roderick Clark, Peter Anderson

Affiliations

  1. Department of Urology, University of Miami, Miami, FL, U.S.;
  2. Division of Urology, University of Western Ontario, London, ON, Canada;
  3. Department of Urology, Dalhousie University, Halifax, NS, Canada.

PMID: 27217854 PMCID: PMC4840009 DOI: 10.5489/cuaj.3237

Abstract

INTRODUCTION: As early detection of hydronephrosis increases, we require better methods of distinguishing between pediatric patients who require pyeloplasty vs. those with transient obstruction. Gravity-assisted drainage (GAD) as part of a standardized diuretic renography protocol has been suggested as a simple and safe method to differentiate patients.

METHODS: Renal scans of 89 subjects with 121 hydronephrotic renal units between January 2004 and March 2007 were identified and analyzed.

RESULTS: Of all renal units, 65% showed obstruction. GAD maneuver resulted in significant residual tracer drainage in eight renal units, moderate drainage in 12 renal units, and some improvement in 40 units after the GAD maneuver. Of the eight renal units with significant residual tracer drainage, only two proceeded to pyeloplasty. After pyeloplasty, nine children had improved time to half maximum (T(1/2) Max) and 13 were unchanged.

CONCLUSIONS: Our study was limited due to its retrospective design and descriptive analyses, but includes a sufficient number of subjects to conclude that GAD as part of a diuretic renography protocol is an effective and simple technique that can help prevent unnecessary surgical procedures in pediatric patients.

References

  1. Eur J Nucl Med Mol Imaging. 2011 Jun;38(6):1175-88 - PubMed
  2. Early Hum Dev. 2006 Jan;82(1):9-14 - PubMed
  3. Pediatr Nephrol. 1995 Aug;9(4):503-9 - PubMed
  4. BJU Int. 2001 Apr;87(6):551-5 - PubMed
  5. Urology. 2012 Dec;80(6):1357-60 - PubMed
  6. J Nucl Med Technol. 2008 Sep;36(3):162-8 - PubMed
  7. Pediatr Surg Int. 2000;16(3):189-93 - PubMed
  8. Urology. 2013 Sep;82(3):691-6 - PubMed
  9. Clin Nucl Med. 1993 Mar;18(3):210-3 - PubMed
  10. J Urol. 2005 Jul;174(1):303-7 - PubMed
  11. J Nucl Med. 2000 Jun;41(6):1030-6 - PubMed
  12. J Urol. 2003 May;169(5):1828-31 - PubMed
  13. BJU Int. 2008 Sep;102(7):862-8 - PubMed
  14. J Pediatr Urol. 2010 Jun;6(3):212-31 - PubMed
  15. J Pediatr Surg. 2010 Aug;45(8):1701-6 - PubMed

Publication Types