Comparative Experimental Study on Magnetic Pressing Anastomosis and Mechanical Pressing Anastomosis Based on Rat Model
Objective To compare the effects of magnetic press anastomosis and mechanical press anastomosis based on the rat ileal side-to-side anastomosis model.Methods Forty male SD rats were randomly and averagely distributed into the experiment group and the control group,undergoing side to side ileum anastomosis.Magnetic compression device(MCD)was used by the experimental group,and simple compression device(SCD)was used by the control group.All the devices were Φ 6 mm.Results In terms of operation time,MCD group took significantly less time than SCD group(P<0.001),which indicated that MCD had certain advantages over SCD in operation.There were no significant differences in survival rate(P=0.548>0.05),anastomotic formation time(P=0.062>0.05),anastomotic size(P=0.754>0.05),burst pressure(P=0.533>0.05)and anastomotic tensile strength(P=0.336>0.05)between MCD and SCD groups.Conclusion Both magnetic press anastomosing and mechanical press anastomosing are safe and reliable,and the magnetic force plays a leading role in the process of magnetic press anastomosing.