Biocompatibility of a magnesium-zinc alloy implanted in rat cecum / 中国组织工程研究
Chinese Journal of Tissue Engineering Research
; (53): 7966-7970, 2010.
Article
em Zh
| WPRIM
| ID: wpr-402256
Biblioteca responsável:
WPRO
ABSTRACT
BACKGROUND:
Magnesium alloy studies in orthopedic field have been carried out,and good biocompatibility has been reported.However magnesium alloys have not yet been researched in the intestine.OBJECTIVE:
The biodegradable magnesium-zinc alloy samples are implanted around the rat cecum to investigate the biocompatibility in rat.METHODS:
Sprague Dawley rats were randomly divided into magnesium alloy group,medical titanium group and the sham-operated group.Then magnesium-zinc alloy samples with the dimension of 5 mm × 1 mm× 1 mm were embedded in the cecum incision in the magnesium alloy group.The medical titanium was embedded in the medical titanium group,and just suture in the sham-operated group.Prior to surgery and at 7,14,21 and 28 days after operation,the serum glutamic-oxaloacetic transaminase,creatinine and magnesium ion concentration were examined in each group.X-ray film on implanted region.The pathological changes in liver,kidney and cecum were examined.RESULTS ANDCONCLUSION:
There were no significant differences in serum glutamic-oxaloacetic transaminase,creatinine and magnesium ion concentrations among each group(P > 0.05).Magnesium-zinc alloy degraded gradually during 28 days.The pathology of liver,kidney and cecum was normal.Results suggested that magnesium-zinc alloy had no obvious effect on the cecum.The degradation time to play a fixed function of time was longer than the intestinal healing time,with good biocompatibility.Magnesium-zinc alloy can be used as anastomotic nail for stomach intestine anastomat.
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Base de dados:
WPRIM
Idioma:
Zh
Revista:
Chinese Journal of Tissue Engineering Research
Ano de publicação:
2010
Tipo de documento:
Article