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find Keyword "Computer assisted radiology and surgery solutions system" 1 results
  • Value of Computer Assisted Radiology and Surgery Solutions System in Surgical Planning for Precise Hepatectomy

    ObjectiveTo investigate the value of computer assisted radiology and surgery solutions system (IQQA-Liver) in surgical planning for precise hepatectomy. MethodsThe clinical data of 95 cases performed precise hepatec-tomy from January 1, 2012 to June 30, 2013 in our hospital were retrospectively analyzed, and the computer assisted radiology and surgery solutions system was used for three dimensional quantitative analysis, volume measurement and designing for liver resection in all the cases before operation. ResultsThe intuitive and clear three dimensional images of all the 95 cases were obtained by using the computer assisted radiology and surgery solutions system, which could show the precise anatomical relationship of the liver, tumor, and main hepatic vascular.The three dimensional images could be observed at any angle and rotated freely, and could show the involved and needed to be resected vascular away from the tumor margin for 2 mm, 5 mm, 10 mm, and 20 mm and the liver volume dominated by this vascular.Of all the 95 cases, the total liver volume was (1 776.4±998.5) cm3, the proposed removed liver volume was (1 026.2±811.5) cm3, the functional residual liver volume was (795.3±522.6) cm3.The ratio of functional residual liver volume to the standard total liver volume was (58.2±25.1)%, which the ratio of patients without cirrhosis was > 30% and with cirrhosis was > 40%.All the 95 cases were implemented precise operation.The operation plan was designed based on a combination of factors such as the amount of functional residual liver volume and function.The surgery programs were changed for 13 cases, in which 9 cases were narrowed the scope of resection and 4 cases were expanded the scope of resection.No patients died perioperation. ConclusionBy using the computer assisted radiology and surgery solutions system (IQQA-Liver), we could precisely locate liver tumor, calculate the functional residual liver volume, identify the relationship between tumor and adjacent vascular, and ultimately help to design the optimal surgical plan.

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