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目的探讨多层螺旋CT(MSCT)检查发现的心肌桥-壁冠状动脉患者核素心肌灌注情况。资料与方法将MSCT检查发现肌桥同时1个月内行核素心肌灌注检查者87例分为浅肌桥组(n=36)和深肌桥组(n=51),统计两组核素心肌灌注检查阳性病例数。结果 36例浅肌桥核素心肌灌注检查未见阳性发现,51例深肌桥组3例核素心肌灌注检查阳性,两组阳性率差异无统计学意义(χ2=0.78,P>0.05)。结论 MSCT发现的肌桥只有少数具有核素心肌灌注异常,即有病理、生理意义。
Objective To investigate the radionuclide myocardial perfusion in patients with myocardial bridge-wall coronary artery by multi-slice spiral CT (MSCT). Materials and Methods 87 cases of myocardial perfusion were divided into shallow muscle bridge group (n = 36) and deep muscle bridge group (n = 51) Perfusion check the number of positive cases. Results No myocardial infarction was found in 36 cases of superficial muscular bridges. Three cases in 51 cases of deep muscular bridges were positive for myocardial perfusion. There was no significant difference between the two groups (χ2 = 0.78, P> 0.05). Conclusions Muscle bridge found by MSCT has only a few abnormalities of radionuclide myocardial perfusion, that is, pathological and physiological significance.