Table 6 - available via license: Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Content may be subject to copyright.
Source publication
Objective: To evaluate the different patterns of coronary artery disease among patients with unstable angina by the role of multislice CT coronary angiography.
Patients and methods: From September 2013 to May 2014, 40 patients complaining from unstable angina showing initial negative ECG and troponin enzyme underwent a multi-slice CT coronary angio...
Context in source publication
Similar publications
Wellens’ Syndrome is indicated by deeply inverted or biphasic T-waves in V2-V3 precordial leads without ST elevation or pathological Q waves, immediately following an episode of angina pectoris.
A case of Wellens’ syndrome depicted by coronary CT angiography (CTA) and invasive coronary angiography is reported.
Recognition of these ECG changes is im...
We aimed to evaluate the accuracy of coronary computed tomography angiography (CCTA) with a low-radiation protocol and iterative model reconstruction (IMR), in comparison with invasive coronary angiography (ICA). Sixty-one patients (45 males; mean age, 61.9 ± 9.2 years) with suspected coronary artery disease who underwent CCTA and ICA were retrospe...
Key Clinical Message
The case is a 52‐year‐old male admitted to cardiology department with chest tightness. Admission ECG showed nontypical T‐wave changes in V2–V4 leads in pain peroids, and increasing severe narrowing of proximal LAD. Cardiac enzymes were abnormal. Emergency coronary angiography showed severe stenosis (99%) in proximal LAD.
OBJECTIVE To assess the outcome of a policy of emergency coronary angiography with or without rescue angioplasty in patients with acute myocardial infarction and ECG evidence of failed reperfusion after thrombolysis. DESIGN A cohort study. SETTING Regional cardiothoracic unit. PATIENTS 197 patients with acute myocardial infarction fulfilling a simp...
Citations
... These findings corroborated those of Koulaouzidis et al.(2012) (10), who found that among the 43 unstable angina patients included in their study, 17 had normal CTCA, 22 had non-significant lesions, and only 4 had severe obstructive lesions. One patient (10%) in our study had nonsignificant CAD, and one patient (10%) had substantial CAD out of the 10 patients with CACS=zero. ...
... Reconstructions were performed using a slice thickness of 0.6 mm. 5 ...
Objective
To study the correlation between epicardial fat thickness (EFT), pericoronary fat thickness (PCFT), and pericoronary fat density (PCFD) with the existence and severity of coronary artery disease (CAD).
Methods
This cross-sectional study included 210 patients referred for multislice CT angiography. Group I normal CTCA, Group II patients had non-obstructive atherosclerosis, and Group III patients had obstructive atherosclerosis. All patients underwent a clinical examination, history taking, and multislice CT angiography.
Results
The mean EFT was significantly greater in group III (10.43 ± 2.31 mm) compared to groups II (6.30 ± 1.61 mm) and I (5.06 ± 1.14 mm). The mean PCFT was significantly greater in group III (17.96 ± 2.89 mm) compared to group II (11.47 ± 2.51 mm) and group I (9.67 ± 1.99 mm). PCFD was significantly higher adjacent to the lesion (-80.47 ± 29.14) compared to the normal segment (-109.03 ± 35.24), higher in the obstructive group (-59.44 ± 20.10) compared to the non-obstructive group (-101.51 ± 20.23), but lower in calcified lesions (-89.58 ± 28.94) compared to non-calcified (-75.01 ± 29.20), and mixed lesions (-74.83 ± 26.90). EFT and PCFT cut-off values for predicting obstructive CAD were 8.3 and 12.4 mm, respectively, with 87.1% and 92.9% sensitivity and 92.9% and 86.4% specificity,respectively.
Conclusion
There is a significant association between epicardial fat thickness, pericoronary fat thickness and density with the severity of coronary artery disease.
... In cases of post CABG status the imaging volume should extend from the level of the root of the neck down to about 1 cm below diaphragm to include the entire course of the arterial or venous grafts. [14] The center of the field of view is 2 cm to the left of the dorsal spine on the AP scout and at the level of the hilum on the lateral scout. [14] No calcium scoring was done for our patients due to the presence of radiopaque coronary stents or surgical clips in patients after CABG that would lead to false high scores. ...
... [14] The center of the field of view is 2 cm to the left of the dorsal spine on the AP scout and at the level of the hilum on the lateral scout. [14] No calcium scoring was done for our patients due to the presence of radiopaque coronary stents or surgical clips in patients after CABG that would lead to false high scores. Then, automated determination of the starting time using the "Bolus-tracing technique" was done. ...
... The density within the descending aorta is monitored in each axial image on a real-time base while the region of interest carefully monitored. [14] Time-attenuation curves were generated. When the density within the descending aorta exceeds 120 HU (i.e., the contrast started to arrive), the scanning is triggered with a delay of further 3 s (time needed for the table movement to the cranial start position while the patient is instructed to hold breathing). ...
... In cases of post CABG status the imaging volume should extend from the level of the root of the neck down to about 1 cm below diaphragm to include the entire course of the arterial or venous grafts. [14] The center of the field of view is 2 cm to the left of the dorsal spine on the AP scout and at the level of the hilum on the lateral scout. [14] No calcium scoring was done for our patients due to the presence of radiopaque coronary stents or surgical clips in patients after CABG that would lead to false high scores. ...
... [14] The center of the field of view is 2 cm to the left of the dorsal spine on the AP scout and at the level of the hilum on the lateral scout. [14] No calcium scoring was done for our patients due to the presence of radiopaque coronary stents or surgical clips in patients after CABG that would lead to false high scores. Then, automated determination of the starting time using the "Bolus-tracing technique" was done. ...
... The density within the descending aorta is monitored in each axial image on a real-time base while the region of interest carefully monitored. [14] Time-attenuation curves were generated. When the density within the descending aorta exceeds 120 HU (i.e., the contrast started to arrive), the scanning is triggered with a delay of further 3 s (time needed for the table movement to the cranial start position while the patient is instructed to hold breathing). ...
... Female patients show slightly higher level of CAC (average is 217.17 in females and 200.89 in males, P value > 0.05). This differs from Niazi et al, (17) who found that male patients show higher level of CAC (469.3) compared to female patients (232.3) with P value< 0.05. ...
... This is close to Madhok et al, (26) who detected 187 plaques affecting all coronary arteries, 60 plaques (32.1 %) were detected in the LAD, 40 plaques (21.4 %) were affecting the LCX, 44 plaques (23.5 %) were seen in the RCA and 29 plaques (15.5 %) were detected in the small branches. This slightly differs from Niazi et al, (17) who detected 60 plaques affecting all coronary arteries, 24 plaques (40 %) were detected in the LAD, nine plaques (15 %) were affecting the LCX, 18 plaques (30 %) were seen in the RCA and seven plaques (11.6 %) were detected in the small branches. Among these 70 detected plaques, 29 of them (41.4 %) were significant and 41 plaques (58.6 %) were non-significant, This is close to Chu et al, (18) who detected 480 plaques, 238 of them (49.6 %) were significant and 242 plaques (50.4 %) were non-significant. ...
