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CRANIAL POLE NEPHRECTOMY IN THE PIG MODEL: ANATOMICAL ANALYSIS OF ARTERIAL INJURIES IN TRIDIMENSIONAL ENDOCASTS.
MedLine Citation:
PMID:  22204501     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Purpose: To assess intrarenal arteries injuries after cranial pole nephrectomy in a pig model in order to compare these findings with those in humans. Materials and Methods: Polyester resin was injected through the ureter and the renal artery to make 3 dimensional casts of 61 pig kidneys. The cranial pole of the kidneys was sectioned at four different sites, before the solidification of the resin and the casts were examined for arterial damage. Results: Section performed through the hilus (15 kidneys): The cranial division of the renal artery was sectioned in two cases (13.33%), the ventral branch of the cranial division of the renal artery was sectioned in 13 cases (86.7%) and the dorsal branch of the cranial division of the renal artery was sectioned in 11 cases (73.34%). Section at 0.5 cm cranial to the hilus (16 kidneys): The cranial division of the renal artery was sectioned in 1 case (6.25%), the ventral branch of the cranial division of the renal artery was sectioned in 14 cases (87.5%) and the dorsal branch of the cranial division of the renal artery was sectioned in 13 cases (81.25%). Section at 1.0 cm cranial to the hilus (15 kidneys): The ventral branch of the cranial division of the renal artery was sectioned in 5 cases (33.33%) and the dorsal branch of the cranial division of the renal artery was injured in 5 cases (33.33%). Section at 1.5 cm cranial to the hilus (15 kidneys): No lesions were found in the main arteries, only in the interlobular branches. Conclusions: As previously demonstrated in humans, sections at 1.0 cm or more cranially to the hilus in pigs also showed a significant decrease in damage to the major intrarenal arteries. Therefore, as regards arterial damage, the pig kidney is useful model for laparoscopic partial nephrectomy in the cranial (upper) pole.
Authors:
Marco A Pereira-Sampaio; Robert Henry; Luciano A Favorito; Francisco J B Sampaio
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-12-28
Journal Detail:
Title:  Journal of endourology / Endourological Society     Volume:  -     ISSN:  1557-900X     ISO Abbreviation:  -     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2011-12-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8807503     Medline TA:  J Endourol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Fluminense Federal University, Morphology, Rua Prof. Ernani Melo 101, São Domingos, Niterói, Rio de Janeiro, Brazil, 24210-130, 552126292330, 552126292414; pereira.sampaio@gmail.com.
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