scholarly journals Clinical Application of Dynamic SPECT/CT in a Patient with Prior Myocardial Infarction Underwent Percutaneous Coronary Intervention Twice

Diagnostics ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 1028
Author(s):  
Hung-Pin Chan ◽  
Chin Hu ◽  
Ming-Hui Yang ◽  
Hung-Yen Chan ◽  
Nan-Jing Peng

We present a case of CAD with anteroseptal MI after stent insertion for revascularization due to symptoms presented. MPI with dynamic SPECT/CT provided useful information in terms of flow parameters and matched territories of stenting results as well as providing coronary artery flow phenomenon underwent PCI. In this case, dynamic SPECT/CT may minimize errors with proper stents treatment, especially for controversial MPI results.

Author(s):  
Adeogo Akinwale Olusan ◽  
Paul Francis Brennan ◽  
Paul Weir Johnston

Abstract Background Isolated right ventricular myocardial infarction (RVMI) due to a recessive right coronary artery (RCA) occlusion is a rare presentation. It is typically caused by right ventricle (RV) branch occlusion complicating percutaneous coronary intervention. We report a case of an isolated RVMI due to flush RCA occlusion presenting via our primary percutaneous coronary intervention ST-elevation myocardial infarction pathway. Case summary A 61-year-old female smoker with a history of hypercholesterolaemia presented via the primary percutaneous coronary intervention pathway with sudden onset of shortness of breath, dizziness, and chest pain while walking. Transradial coronary angiography revealed a normal left main coronary artery, large left anterior descending artery that wrapped around the apex and dominant left circumflex artery with the non-obstructive disease. The RCA was not selectively entered despite multiple attempts. The left ventriculogram showed normal left ventricle (LV) systolic function. She was in cardiogenic shock with a persistent ectopic atrial rhythm with retrograde p-waves and stabilized with intravenous dobutamine thus avoiding the need for a transcutaneous venous pacing system. A computed tomography pulmonary angiogram demonstrated no evidence of pulmonary embolism while an urgent cardiac gated computed tomography revealed a recessive RCA with ostial occlusive lesion. A cardiac magnetic resonance imaging confirmed RV free wall infarction. She was managed conservatively and discharged to her local district general hospital after 5th day of hospitalization at the tertiary centre. Discussion This case describes a relatively rare myocardial infarction presentation that can present with many disease mimics which can require as in this case, a multi-modality imaging approach to establish the diagnosis.


Angiology ◽  
2008 ◽  
Vol 60 (2) ◽  
pp. 254-258 ◽  
Author(s):  
Igor Kranjec ◽  
Andreja Cerne ◽  
Marko Noc

A case of acute myocardial infarction in a young athlete provoked by ephedrine abuse has been described in this study. An intracoronary thrombus found in the left anterior descending coronary artery at urgent angiography was successfully removed using the Pronto (Vascular Solutions, Minneapolis, Minnesota) aspiration catheter. The intravascular ultrasound examination performed thereafter showed a nonobstructive atherosclerotic plaque in the culprit artery; there was no evidence whatsoever of possible plaque disruption. The result of percutaneous coronary intervention was satisfactory, and no stent implantation was needed. The patient experienced no adverse events until his outpatient visit 3 months later.


Circulation ◽  
2020 ◽  
Vol 142 (Suppl_3) ◽  
Author(s):  
Qais Radaideh ◽  
Mohammed Osman ◽  
Babikir Kheiri ◽  
Ahmad Al-Abdouh ◽  
mahmoud Barbarawi ◽  
...  

Introduction: There has been a continuous debate about the survival benefit of percutaneous coronary intervention (PCI) for the management of patients with stable coronary artery disease (CAD) and moderate to severe ischemia. To address this, we performed a meta-analysis of RCTs comparing PCI plus MT vs. MT alone in stable CAD patients to evaluate endpoints of all-cause mortality, cardiovascular (CV) mortality, and MI in a larger cohort of patients with objective evidence of myocardial ischemia. Methods: An electronic database search was conducted for RCTs that compared PCI on top of MT versus MT alone. A random effects model was used to calculate relative risk (RR) and 95% confidence intervals (CIs). Results: A total of 7 RCTs with 10,043 patients with a mean age of 62.54 ± 1.56 years and a median follow up of 3.9 years were identified. Among patients with (CAD) and moderate to severe ischemia by stress testing, PCI didn’t show any benefit for the primary outcome of all-cause mortality compared to MT(RR = 0.85; 95% CI 0.646-1.12; p= 0.639). There was also no benefit in cardiovascular (CV) death (RR = 0.88 ; 95% CI 0.71-1.09; p =0.18) or myocardial infarction (MI) (RR = 0.271 ; 95% CI 0.782-1.087; P =0.327) in the PCI group as compared to MT. Conclusions: Among patients with (CAD) and evidence of moderate to severe ischemia by stress testing, PCI on top of MT appears to add no mortality benefit as compared to with MT alone.


2010 ◽  
Vol 2010 ◽  
pp. 1-4 ◽  
Author(s):  
Marcelo A. Nakazone ◽  
Maurício N. Machado ◽  
Raphael B. Barbosa ◽  
Márcio A. Santos ◽  
Lilia N. Maia

Cardiovascular abnormalities are well-known manifestations of tertiary syphilis infections which although not frequent, are still causes of morbidity and mortality. A less common manifestation of syphilitic aortitis is coronary artery ostial narrowing related to aortic wall thickening. We report a case of a 46-year-old male admitted due to acute anterior ST elevation myocardial infarction submitted to primary percutaneous coronary intervention successfully. Coronary angiography showed a suboccluded ostial lesion of left main coronary artery. VDRL was titrated to 1/512. The patient was discharged with treatment including benzathine penicillin. Previous case reports of acute myocardial infarction in association with syphilitic coronary artery ostial stenosis have been reported, but the fact that the patient was treated by percutaneous coronary intervention is unique in this case.


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