Document Detail

Evaluation of blood flow in allograft renal arteries anastomosed with two different techniques.
MedLine Citation:
PMID:  18087119     Owner:  NLM     Status:  MEDLINE    
Renal artery stenosis in renal transplantation (TRAS) is an avoidable short or long-term surgical complication. The etiology is multifactorial, but faulty anastomosis is a major factor. In our transplant center, we evaluated the incidence of TRAS with the use of two different suturing techniques of the anastomosis site between the allograft renal and iliac arteries in two groups of renal transplant recipients, group A: 14 patients (6 males and 8 females with age 16 to 59 and mean age of 38 years) in whom the allograft arteries were anastomosed with a continuous suture technique, and group B: 14 patients (7 males and 7 females, with age 32 to 61 and mean age of 46.6 years) in whom the allograft arteries were anastomosed with a combined suture technique (continuous and interrupted). Post transplantation, the velocity of blood flow in the renal and iliac arteries at the site of anastomosis was measured by color Doppler ultrasound. The ultrasonographer was blinded to the surgical technique in both study groups. The ratio of the maximum velocity of blood at the site of anastomosis to that in the iliac artery of less than 2.5 was considered as non-significant stenosis, while a ratio of more than 2.5 was considered significant stenosis. In group A there were 9 cases of non-significant stenosis in comparison to 3 cases in group B, while there were no cases of significant stenosis in group A in comparison to 3 cases in group B; the difference was not statistically significant. We conclude that there was no difference in the incidence of stenosis in the compared surgical techniques of anastomosis in our study groups. This suggests that other factors such as gentle handling of tissue, enough spatula, margin reversion, and comparable diameter of the anastomosed vessels may be more important in the prevention of renal allograft stenosis than the type of suture technique.
Afshar Zomorrodi; Abulfasel Bohluli; M K Tarzamany
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Saudi journal of kidney diseases and transplantation : an official publication of the Saudi Center for Organ Transplantation, Saudi Arabia     Volume:  19     ISSN:  1319-2442     ISO Abbreviation:  Saudi J Kidney Dis Transpl     Publication Date:  2008 Jan 
Date Detail:
Created Date:  2007-12-18     Completed Date:  2008-08-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9436968     Medline TA:  Saudi J Kidney Dis Transpl     Country:  Saudi Arabia    
Other Details:
Languages:  eng     Pagination:  26-31     Citation Subset:  IM    
Urology Department, Imam Hospital, Tabriz University of Medical Sciences, Tabriz, Iran.
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MeSH Terms
Anastomosis, Surgical / methods*
Blood Flow Velocity*
Kidney Transplantation / methods*,  physiology*
Middle Aged
Renal Artery / physiology*,  surgery
Transplantation, Homologous

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