Coronary artery disease （CAD） is the leading cause of cardiovascular death in the Chinese population.Coronary angiography is the golden standard for the diagnosis of CAD and coronary tortuosity （CT） is a common co...Coronary artery disease （CAD） is the leading cause of cardiovascular death in the Chinese population.Coronary angiography is the golden standard for the diagnosis of CAD and coronary tortuosity （CT） is a common coronary angiographic finding, however, little work has been done on clinical manifestation and significance of CT. It was hypothesized that CT may be associated with angina pectoris and abnormal exercise stress test in patients without CAD, but weather CT can lead to cardiac ischemia has not yet been clarified. The purpose of this study was to determine the impact of CT on myocardial perfusion detects.展开更多
It is not rare for acute coronary syndrome(ACS)patients to present with symptoms that are atypical,rather than chest pain.It is sometimes difficult to achieve a definitive diagnosis of ACS for such patients who presen...It is not rare for acute coronary syndrome(ACS)patients to present with symptoms that are atypical,rather than chest pain.It is sometimes difficult to achieve a definitive diagnosis of ACS for such patients who present with atypical symptoms,normal initial biomarkers of myocardial necrosis,and normal or nondiagnostic electrocardiograms(ECGs).Although cardiac CT allows for assessments of coronary artery stenosis as well as myocardial perfusion defect in patients with suspected ACS,it requires ECG gating and is usually performed with high-performance multislice CT for highly probable ACS patients.However,several recent reports have stated that ACS is detectable by myocardial perfusion defects even on routine non-ECG-gated contrast-enhanced CT.A growing number of contrast-enhanced CT scans are now being performed in emergency departments in search of pathologies responsible for a patient’s presenting symptoms.In order to avoid inappropriate management for this life-threatening event,clinicians should be aware that myocardial perfusion defect is more commonly detectable even on routine non-ECG-gated contrast-enhanced CT performed in search of other pathologies.展开更多
文摘Coronary artery disease （CAD） is the leading cause of cardiovascular death in the Chinese population.Coronary angiography is the golden standard for the diagnosis of CAD and coronary tortuosity （CT） is a common coronary angiographic finding, however, little work has been done on clinical manifestation and significance of CT. It was hypothesized that CT may be associated with angina pectoris and abnormal exercise stress test in patients without CAD, but weather CT can lead to cardiac ischemia has not yet been clarified. The purpose of this study was to determine the impact of CT on myocardial perfusion detects.
文摘It is not rare for acute coronary syndrome(ACS)patients to present with symptoms that are atypical,rather than chest pain.It is sometimes difficult to achieve a definitive diagnosis of ACS for such patients who present with atypical symptoms,normal initial biomarkers of myocardial necrosis,and normal or nondiagnostic electrocardiograms(ECGs).Although cardiac CT allows for assessments of coronary artery stenosis as well as myocardial perfusion defect in patients with suspected ACS,it requires ECG gating and is usually performed with high-performance multislice CT for highly probable ACS patients.However,several recent reports have stated that ACS is detectable by myocardial perfusion defects even on routine non-ECG-gated contrast-enhanced CT.A growing number of contrast-enhanced CT scans are now being performed in emergency departments in search of pathologies responsible for a patient’s presenting symptoms.In order to avoid inappropriate management for this life-threatening event,clinicians should be aware that myocardial perfusion defect is more commonly detectable even on routine non-ECG-gated contrast-enhanced CT performed in search of other pathologies.
