Change in kidney volume after kidney transplantation in patients with autosomal polycystic kidney disease.

Abstract

BACKGROUND:

The indication to bilateral nephrectomy in patients with autosomal dominant polycystic kidney scheduled for kidney transplantation is controversial. Indeed, the progressive enlargement of cysts may increase the risk of complications and the need for nephrectomy. However, very few studies investigated the change in kidney volume after kidney transplantation.

MATERIAL AND METHODS:

In this prospective cohort study, the change in native kidney volume in polycystic patients was evaluated with magnetic resonance imaging. Forty patients were included in the study. Kidney diameters and total kidney volume were evaluated with magnetic resonance imaging in patients who underwent simultaneous nephrectomy and kidney transplantation and in patients with kidney transplant alone, before transplantation and 1 year after transplantation.

RESULTS:

There was a significant reduction of kidney volume after transplantation, with a mean degree of kidney diameters reduction varying from 12.24% to 14.43%. Mean total kidney volume of the 55 kidney considered in the analysis significantly reduced from 1617.94 ± 833.42 ml to 1381.42 ± 1005.73 ml (P<0.05), with a mean rate of 16.44% of volume decrease. More than 80% of patients had a volume reduction in both groups.

CONCLUSIONS:

Polycystic kidneys volume significantly reduces after kidney transplantation, and this would reduce the need for prophylactic bilateral nephrectomy in asymptomatic patients.

• Authors: Massimiliano Veroux, Cecilia Gozzo, Daniela Corona, Paolo Murabito, Daniele Carmelo Caltabiano, Luca Mammino, Alessia Giaquinta, Domenico Zerbo, Nunziata Sinagra, Pierfrancesco Veroux, Stefano Palmucci
• Journal: PloS one (PLoS One) Vol. 13 Issue 12 Pg. e0209332 ( 2018) ISSN: 1932-6203 [Electronic] United States
• PMID: 30589879 (Publication Type: Journal Article)

Topics

• Female
• Follow-Up Studies
• Humans
• Kidney (diagnostic imaging, pathology)
• Kidney Transplantation
• Magnetic Resonance Imaging
• Male
• Middle Aged
• Nephrectomy
• Organ Size
• Polycystic Kidney Diseases (diagnostic imaging, pathology, surgery)
• Prospective Studies
• Treatment Outcome