[Evaluation of digital subtraction angiography rabbit VX2 hepatic carcinoma model with modified hepatic artery catheterization]. 2013

Hong Liu, and Qiao-ling Feng, and Wei Zhang, and Yong-jun Xie, and Chao Li, and Heng Jiang, and En-liang Zhou
Clinical Medicine School, Chengdu Medical College, Chengdu 610083, China.

OBJECTIVE To modify the success rate of establishing VX2 transplanted tumor model with different methods in rabbits, and access new typed modification and improved technique in catheterization. METHODS In the study, 30 rabbits were randomly divided into 2 groups. In prophase, tumor cell suspension was implanted in group I, while tumor tissue particles were implanted into liver under direct vision, to establish VX2 transplanted tumor model. The rabbits were catheterized from femoral artery to selective hepatic artery under DSA, by using conventional modification with Seldinger technique in group I and by using new typed modification with improved technique in group II. The imaging and histological features of VX2 tumor were evaluated by combining pathology and DSA, then the success rate, operation time and postoperative complications were compared and evaluated. RESULTS The success rates of the liver tumor model were 60.0% and 93.3%; the disposable success rates of catheterization were 66.7% and 92.8%; the operation time of catheterization were (35.6±5.8) min and (27.4±5.3) min; the incidence rates of adverse reaction were 22.5% and 18.0%; the differences between the two groups in the experimental rabbits were significant (P<0.05) statistically. CONCLUSIONS The efficiency of tumor tissue particles implanted is better than that of tumor cell suspension implanted in establishing VX2 transplanted tumor model under direct vision. The cathetenzation quality and outcomes of new typed modification by improved technique, from femoral artery to selective hepatic artery, is superior to those of conventional modification with Seldinger technique.

UI MeSH Term Description Entries
D008114 Liver Neoplasms, Experimental Experimentally induced tumors of the LIVER. Hepatoma, Experimental,Hepatoma, Morris,Hepatoma, Novikoff,Experimental Hepatoma,Experimental Hepatomas,Experimental Liver Neoplasms,Hepatomas, Experimental,Neoplasms, Experimental Liver,Experimental Liver Neoplasm,Liver Neoplasm, Experimental,Morris Hepatoma,Novikoff Hepatoma
D011817 Rabbits A burrowing plant-eating mammal with hind limbs that are longer than its fore limbs. It belongs to the family Leporidae of the order Lagomorpha, and in contrast to hares, possesses 22 instead of 24 pairs of chromosomes. Belgian Hare,New Zealand Rabbit,New Zealand Rabbits,New Zealand White Rabbit,Rabbit,Rabbit, Domestic,Chinchilla Rabbits,NZW Rabbits,New Zealand White Rabbits,Oryctolagus cuniculus,Chinchilla Rabbit,Domestic Rabbit,Domestic Rabbits,Hare, Belgian,NZW Rabbit,Rabbit, Chinchilla,Rabbit, NZW,Rabbit, New Zealand,Rabbits, Chinchilla,Rabbits, Domestic,Rabbits, NZW,Rabbits, New Zealand,Zealand Rabbit, New,Zealand Rabbits, New,cuniculus, Oryctolagus
D002404 Catheterization Use or insertion of a tubular device into a duct, blood vessel, hollow organ, or body cavity for injecting or withdrawing fluids for diagnostic or therapeutic purposes. It differs from INTUBATION in that the tube here is used to restore or maintain patency in obstructions. Cannulation,Cannulations,Catheterizations
D006499 Hepatic Artery A branch of the celiac artery that distributes to the stomach, pancreas, duodenum, liver, gallbladder, and greater omentum. Arteries, Hepatic,Artery, Hepatic,Hepatic Arteries
D006528 Carcinoma, Hepatocellular A primary malignant neoplasm of epithelial liver cells. It ranges from a well-differentiated tumor with EPITHELIAL CELLS indistinguishable from normal HEPATOCYTES to a poorly differentiated neoplasm. The cells may be uniform or markedly pleomorphic, or form GIANT CELLS. Several classification schemes have been suggested. Hepatocellular Carcinoma,Hepatoma,Liver Cancer, Adult,Liver Cell Carcinoma,Liver Cell Carcinoma, Adult,Adult Liver Cancer,Adult Liver Cancers,Cancer, Adult Liver,Cancers, Adult Liver,Carcinoma, Liver Cell,Carcinomas, Hepatocellular,Carcinomas, Liver Cell,Cell Carcinoma, Liver,Cell Carcinomas, Liver,Hepatocellular Carcinomas,Hepatomas,Liver Cancers, Adult,Liver Cell Carcinomas
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D015901 Angiography, Digital Subtraction A method of delineating blood vessels by subtracting a tissue background image from an image of tissue plus intravascular contrast material that attenuates the X-ray photons. The background image is determined from a digitized image taken a few moments before injection of the contrast material. The resulting angiogram is a high-contrast image of the vessel. This subtraction technique allows extraction of a high-intensity signal from the superimposed background information. The image is thus the result of the differential absorption of X-rays by different tissues. Digital Subtraction Angiography,Subtraction Angiography, Digital

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