Role of cardiac nuclear stress perfusion exam after computed tomographic coronary angiogram for evaluation of obstructive coronary artery disease in patients with chest pain
2020 Journal of Thoracic Disease. All rights reserved..
BACKGROUND: Clinical workup for chest pain varies among institutions. Acute coronary syndrome (ACS) is the primary diagnosis to rule out in the differential diagnosis, due to its associated mortality and morbidity. Although studies have demonstrated efficacy of coronary computed tomographic angiography (CCTA) in diagnosis obstructive coronary artery disease (CAD), there is limited evidence in the clinical value of performing cardiac nuclear stress perfusion imaging [myocardial perfusion imaging (MPI)] exam in patients with chest pain after undergoing CCTA. We aim to evaluate clinical value of follow-up nuclear cardiac MPI in patients with chest pain who have undergone recent CCTA.
METHODS: A total of 1,000 patients were evaluated in this IRB approved retrospective study who presented with symptoms of ACS. Patients who had elevated troponin or abnormal electrocardiogram (ECG) findings at initial presentation or prior to cardiac nuclear MPI were excluded from the study. All patients who underwent 64- or 320-detector row ECG-gated CCTA as well as a follow-up nuclear MPI. Patients who had diagnostics studies limited by artifact [e.g., suboptimal intravenous (IV) contrast bolus in CCTA, motion artifact on CCTA or MPI, etc.] were excluded.
RESULTS: One hundred patients met the inclusion criteria. Patient demographics include average age 64.3 [32-89] years, 59 male, 41 females. Ninety-five/100 patients had at least one vessel with 50-70% coronary artery diameter stenosis measured on CCTA. There were no focal perfusion abnormalities identified on cardiac nuclear MPI in patients with less than 70% stenosis diagnosed on CCTA. Five percent of patients were identified with coronary arterial narrowing greater than 70% on CCTA and all 5 of these patients have evidence of abnormal cardiac nuclear stress test (perfusion abnormalities, chest pain, abnormal ECG).
CONCLUSIONS: In low-to-intermediate risk patients with chest pain and evidence of non-critical coronary artery stenosis (i.e., less than 70% stenosis) diagnosed on CCTA, a follow-up cardiac nuclear perfusion imaging is of limited value.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:12 |
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| Enthalten in: |
Journal of thoracic disease - 12(2020), 9 vom: 28. Sept., Seite 5067-5077 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Gul, Maryam [VerfasserIn] |
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| Links: |
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| Themen: |
Acute coronary syndrome (ACS) |
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| Anmerkungen: |
Date Revised 18.04.2022 published: Print Citation Status PubMed-not-MEDLINE |
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| doi: |
10.21037/jtd-2019-pitd-12 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM317133357 |
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| 245 | 1 | 0 | |a Role of cardiac nuclear stress perfusion exam after computed tomographic coronary angiogram for evaluation of obstructive coronary artery disease in patients with chest pain |
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| 520 | |a 2020 Journal of Thoracic Disease. All rights reserved. | ||
| 520 | |a BACKGROUND: Clinical workup for chest pain varies among institutions. Acute coronary syndrome (ACS) is the primary diagnosis to rule out in the differential diagnosis, due to its associated mortality and morbidity. Although studies have demonstrated efficacy of coronary computed tomographic angiography (CCTA) in diagnosis obstructive coronary artery disease (CAD), there is limited evidence in the clinical value of performing cardiac nuclear stress perfusion imaging [myocardial perfusion imaging (MPI)] exam in patients with chest pain after undergoing CCTA. We aim to evaluate clinical value of follow-up nuclear cardiac MPI in patients with chest pain who have undergone recent CCTA | ||
| 520 | |a METHODS: A total of 1,000 patients were evaluated in this IRB approved retrospective study who presented with symptoms of ACS. Patients who had elevated troponin or abnormal electrocardiogram (ECG) findings at initial presentation or prior to cardiac nuclear MPI were excluded from the study. All patients who underwent 64- or 320-detector row ECG-gated CCTA as well as a follow-up nuclear MPI. Patients who had diagnostics studies limited by artifact [e.g., suboptimal intravenous (IV) contrast bolus in CCTA, motion artifact on CCTA or MPI, etc.] were excluded | ||
| 520 | |a RESULTS: One hundred patients met the inclusion criteria. Patient demographics include average age 64.3 [32-89] years, 59 male, 41 females. Ninety-five/100 patients had at least one vessel with 50-70% coronary artery diameter stenosis measured on CCTA. There were no focal perfusion abnormalities identified on cardiac nuclear MPI in patients with less than 70% stenosis diagnosed on CCTA. Five percent of patients were identified with coronary arterial narrowing greater than 70% on CCTA and all 5 of these patients have evidence of abnormal cardiac nuclear stress test (perfusion abnormalities, chest pain, abnormal ECG) | ||
| 520 | |a CONCLUSIONS: In low-to-intermediate risk patients with chest pain and evidence of non-critical coronary artery stenosis (i.e., less than 70% stenosis) diagnosed on CCTA, a follow-up cardiac nuclear perfusion imaging is of limited value | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Coronary computed tomographic angiogram (CCTA) | |
| 650 | 4 | |a acute coronary syndrome (ACS) | |
| 650 | 4 | |a chest pain | |
| 650 | 4 | |a nuclear myocardial perfusion imaging (nuclear MPI) | |
| 700 | 1 | |a Sheikh, Mubashir |e verfasserin |4 aut | |
| 700 | 1 | |a Chaudhry, Abbas |e verfasserin |4 aut | |
| 700 | 1 | |a Gerges, Luke |e verfasserin |4 aut | |
| 700 | 1 | |a Al Halabi, Hadi |e verfasserin |4 aut | |
| 700 | 1 | |a Feldman, Eric |e verfasserin |4 aut | |
| 700 | 1 | |a Chaudhry, Ammar |e verfasserin |4 aut | |
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