摘要
为了探讨冠状动脉(冠脉)痉挛与冠脉病变间的关系,对38例变异型心绞痛患者的冠脉造影资料进行了分析。结果显示,冠脉痉挛发生在造影显示完全正常的冠脉占26.3%,发生在具有严重狭窄病变(≥50%)的冠脉占63.2%。在后者中,当缺血相关血管的狭窄达到75%~90%时,其痉挛的发生率最高。在冠脉痉挛的分布方面,前降支痉挛的发生率(65.8%)明显高于右冠脉(26.3%)和旋支(5.3%),但在冠脉无明显狭窄(<50%)病变的患者中,前降支痉挛的发生率(50.0%)仅略高于右冠脉。提示冠脉痉挛多发生在具有严重狭窄病变的前降支。
Aseriesof38patientswithvariantanginainwhomcoronaryarteriographywasper-fomedwasreviewedtoinvestigatetherelationbetweencoronaryvasospasmandcoronaryobstructivele-sions.10ofthe38(26.3%)patientshadcompletelynormalcoronaryarteriograms;4(10.5%)hadin-significantcoronaryarterydisease(<50%stenosis);24(63.2%)hadsignificant(≥50%stenosis)coronaryarterydisease,includingsinglevesseldiseasein12cases,multiplevesseldiseasein11casesandleftmaintrunkdiseaseinonecase.Theresultsofthisstudyshowedthattheincidenceofcoronaryvasospasmincreasedwiththeseverityofcoronarystenosisandwashighestat75%~90%stenosisoftheischemia-relatedarteryinthosepatientswithsignificantcoronarydisease.Inthisstudyof38pa-tients,coronaryvasospasminvolvedtheleftanteriordescendingartery(LAD)in25patients(65.8%),rightcoronaryartery(RCA)in10(26.3%)andleftcircumflexartery(LCX)in2(5.3%),butinpa-tientswithinsignificantstenosis(<50%),LADwasinvolvedin50.0%,RCAin42.9%andLCXin7.1%.TheseresultsindicatethatcoronaryvasospasmoccursfrequentlyinpatientswithseverestenosisoftheLAD.
出处
《中华内科杂志》
CAS
CSCD
北大核心
1996年第9期606-608,共3页
Chinese Journal of Internal Medicine