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Mehta P, McDonald S, Hirani R, Good D, Diercks D. Major adverse cardiac events after emergency department evaluation of chest pain patients with advanced testing: Systematic review and meta-analysis. Acad Emerg Med 2022; 29:748-764. [PMID: 34741781 DOI: 10.1111/acem.14407] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 10/15/2021] [Accepted: 10/26/2021] [Indexed: 12/18/2022]
Abstract
OBJECTIVES Our primary objective was to describe the risk of major adverse cardiac events (MACE) at 1, 6, and 12 months after a negative coronary computed tomography angiogram (cCTA), electrocardiogram (ECG) stress test, stress echocardiography, and myocardial perfusion scintigraphy (MPS) in low- to intermediate-risk patients. METHODS Initially, 952 articles were identified for screening, 81 met criteria for full-text review, and once risk of bias was assessed, 33 articles were included in this meta-analysis. We utilized a random-effects model to assess pooled MACE event proportion for patients undergoing evaluation of acute coronary syndrome (ACS) when risk stratified to a low- to intermediate-risk category after undergoing standard testing. Heterogeneity analysis was performed using Cochrane's Q-test and I2 statistic. RESULTS Twenty-one studies evaluated follow-up at 1 month with cCTA having a 0.09% (95% confidence interval [CI] = 0.03% to 0.26%) pooled MACE compared to 0.23% (95% CI = 0.01% to 5.8%) of the exercise stress testing (p = 1). MPS and cCTA had an overall event rate of 0.15% (95% CI = 0.06% to 0.41%) at 6 months (I2 = 0%). At 12 months, a subgroup analysis found a pooled cCTA MACE of 0.16% (95% CI = 0.04% to 0.65%) compared to 1.68% (95% CI = 0.01% to 2.6%) for stress echocardiography with low within-group heterogeneity (I2 = 0%). Subgroup analysis of cCTA with no disease versus nonobstructive disease (<50% stenosis) did not find statistical difference in the MACE at both 1 month (0.17% [95% CI = 0.04% to 0.67%] vs. 0.06% [95% CI = 0.01% to 0.34%]) and 12 months (0.44% [95% CI = 0.09% to 2.2% vs. 0.54% [95% CI = 0.19% to 1.5%]). CONCLUSIONS Patients presenting with chest pain who have a coronary CTA showing < 50% stenosis, negative ECG stress test, stress echocardiography, or stress myocardial perfusion scan in the past 12 months can be discharged without any further risk stratification if their ECG and troponin are reassuring given low MACE.
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Affiliation(s)
- Prayag Mehta
- Department of Emergency Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Samuel McDonald
- Department of Emergency Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA.,Clinical Informatics Center, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Raiz Hirani
- Department of Emergency Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Daniel Good
- Department of Emergency Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Deborah Diercks
- Department of Emergency Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA
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Takx RAP, Krissak R, Fink C, Bachmann V, Henzler T, Meyer M, Nance JW, Schoenberg SO, Apfaltrer P. Low-tube-voltage selection for triple-rule-out CTA: relation to patient size. Eur Radiol 2016; 27:2292-2297. [PMID: 27686566 PMCID: PMC5408040 DOI: 10.1007/s00330-016-4607-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2016] [Revised: 08/18/2016] [Accepted: 09/07/2016] [Indexed: 11/08/2022]
Abstract
Objectives To investigate the relationship between image quality and patient size at 100 kilovoltage (kV) compared to 120 kV ECG-gated Triple-Rule-Out CT angiography (TRO-CTA). Methods We retrospectively included 73 patients (age 64 ± 14 years) who underwent retrospective ECG-gated chest CTA. 40 patients were scanned with 100 kV while 33 patients with 120 kV. Body mass index (BMI), patients’ chest circumference (PC) and thoracic surface area (TSA) were recorded. Quantitative image quality was assessed as vascular attenuation in the ascending aorta (AA), pulmonary trunk (PA) and left coronary artery (LCA) and the signal-to-noise ratio (SNR) in the AA. Results There was no significant difference in BMI (26.0 ± 4.6 vs. 28.0 ± 6.7 kg/m2), PC (103 ± 7 vs. 104 ± 10 cm2) and TSA (92 ± 15 vs. 91 ± 19 cm2) between 100 kV and 120 kV group. Mean vascular attenuation was significantly higher in the 100 kV compared to the 120 kV group (AA 438 vs. 354 HU, PA 460 vs. 349 HU, LCA 370 vs. 299 HU all p < 0.001). SNR was not significantly different, even after adjusting for patient size. Radiation dose was significantly lower in the 100 kV group (10.7 ± 4.1 vs. 20.7 ± 10.7 mSv; p < 0.001). Conclusions 100 kV TRO-CTA is feasible in normal-to-overweight patients while maintaining image quality and achieving substantial dose reduction. Key Points • 100 kV protocols result in a significantly lower radiation dose. • Mean vascular attenuation is significantly higher using 100 kV. • SNR and CNR are not significantly different between 100 kV and 120 kV. • 100 kV CTA is feasible regardless of patient size while maintaining image quality.
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Affiliation(s)
- Richard A P Takx
- Department of Radiology, University Medical Center Utrecht, Heidelberglaan 100, P.O. Box 85500, 3584 CX, Utrecht, The Netherlands.
| | - Radko Krissak
- Institute of Clinical Radiology and Nuclear Medicine, University Medical Center Mannheim, Medical Faculty Mannheim - Heidelberg University, Heidelberg, Germany.,Department of Diagnostic and Interventional Radiology, Hufeland Klinikum GmbH, Bad Langensalza, Germany
| | - Christian Fink
- Institute of Clinical Radiology and Nuclear Medicine, University Medical Center Mannheim, Medical Faculty Mannheim - Heidelberg University, Heidelberg, Germany.,Department of Radiology, General Hospital Celle, Celle, Germany
| | - Valentin Bachmann
- Institute of Clinical Radiology and Nuclear Medicine, University Medical Center Mannheim, Medical Faculty Mannheim - Heidelberg University, Heidelberg, Germany
| | - Thomas Henzler
- Institute of Clinical Radiology and Nuclear Medicine, University Medical Center Mannheim, Medical Faculty Mannheim - Heidelberg University, Heidelberg, Germany
| | - Mathias Meyer
- Institute of Clinical Radiology and Nuclear Medicine, University Medical Center Mannheim, Medical Faculty Mannheim - Heidelberg University, Heidelberg, Germany
| | - John W Nance
- Division of Cardiovascular Imaging, Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, SC, USA
| | - Stefan O Schoenberg
- Institute of Clinical Radiology and Nuclear Medicine, University Medical Center Mannheim, Medical Faculty Mannheim - Heidelberg University, Heidelberg, Germany
| | - Paul Apfaltrer
- Institute of Clinical Radiology and Nuclear Medicine, University Medical Center Mannheim, Medical Faculty Mannheim - Heidelberg University, Heidelberg, Germany.,Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, Vienna, Austria
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Marwick TH, Cho I, Ó Hartaigh B, Min JK. Finding the Gatekeeper to the Cardiac Catheterization Laboratory: Coronary CT Angiography or Stress Testing? J Am Coll Cardiol 2015; 65:2747-56. [PMID: 26112200 PMCID: PMC4618380 DOI: 10.1016/j.jacc.2015.04.060] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2015] [Accepted: 04/24/2015] [Indexed: 12/31/2022]
Abstract
Functional capacity is a robust predictor of clinical outcomes, and stress testing is used in current practice paradigms to guide referral to invasive coronary angiography. However, invasive coronary angiography is driven by ongoing symptoms, as well as risk of adverse outcomes. The limitations of current functional testing-based paradigms might be avoided by using coronary computed tomographic angiography (CCTA) for exclusion of obstructive coronary artery disease. The growth of CCTA has been supported by comparative prognostic evidence with CCTA and functional testing, as well as radiation dose reduction. Use of CCTA for physiological evaluation of coronary lesion-specific ischemia may facilitate evaluation of moderate stenoses, designation of the culprit lesion, and prediction of benefit from revascularization. The potential of CCTA to serve as an effective gatekeeper to invasive coronary angiography will depend, in part, on the adoption of these new developments, as well as definition of the benefit of detecting high-risk plaque for guiding the management of selected patients.
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Affiliation(s)
- Thomas H Marwick
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia.
| | - Iksung Cho
- Dalio Institute of Cardiovascular Imaging at New York-Presbyterian Hospital and Weill Cornell Medical College, New York, New York
| | - Bríain Ó Hartaigh
- Dalio Institute of Cardiovascular Imaging at New York-Presbyterian Hospital and Weill Cornell Medical College, New York, New York
| | - James K Min
- Dalio Institute of Cardiovascular Imaging at New York-Presbyterian Hospital and Weill Cornell Medical College, New York, New York
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Romero J, Husain SA, Holmes AA, Kelesidis I, Chavez P, Mojadidi MK, Levsky JM, Wever-Pinzon O, Taub C, Makani H, Travin MI, Piña IL, Garcia MJ. Non-invasive assessment of low risk acute chest pain in the emergency department: A comparative meta-analysis of prospective studies. Int J Cardiol 2015; 187:565-80. [DOI: 10.1016/j.ijcard.2015.01.032] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Accepted: 01/14/2015] [Indexed: 10/24/2022]
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Kim YJ, Yong HS, Kim SM, Kim JA, Yang DH, Hong YJ. Korean guidelines for the appropriate use of cardiac CT. Korean J Radiol 2015; 16:251-85. [PMID: 25741189 PMCID: PMC4347263 DOI: 10.3348/kjr.2015.16.2.251] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2014] [Accepted: 01/03/2015] [Indexed: 01/07/2023] Open
Abstract
The development of cardiac CT has provided a non-invasive alternative to echocardiography, exercise electrocardiogram, and invasive angiography and cardiac CT continues to develop at an exponential speed even now. The appropriate use of cardiac CT may lead to improvements in the medical performances of physicians and can reduce medical costs which eventually contribute to better public health. However, until now, there has been no guideline regarding the appropriate use of cardiac CT in Korea. We intend to provide guidelines for the appropriate use of cardiac CT in heart diseases based on scientific data. The purpose of this guideline is to assist clinicians and other health professionals in the use of cardiac CT for diagnosis and treatment of heart diseases, especially in patients at high risk or suspected of heart disease.
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Affiliation(s)
- Young Jin Kim
- Department of Radiology, Severance Hospital, Yonsei University College of Medicine, Seoul 120-752, Korea
| | - Hwan Seok Yong
- Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, Seoul 152-703, Korea
| | - Sung Mok Kim
- Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 135-710, Korea
| | - Jeong A Kim
- Department of Radiology, Ilsan Paik Hospital, Inje University College of Medicine, Goyang 411-706, Korea
| | - Dong Hyun Yang
- Department of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 138-736, Korea
| | - Yoo Jin Hong
- Department of Radiology, Severance Hospital, Yonsei University College of Medicine, Seoul 120-752, Korea
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Nieman K, Hoffmann U. Cardiac computed tomography in patients with acute chest pain. Eur Heart J 2015; 36:906-14. [PMID: 25687351 DOI: 10.1093/eurheartj/ehv034] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Accepted: 01/21/2015] [Indexed: 11/14/2022] Open
Abstract
The efficient and reliable evaluation of patients with acute chest pain is one of the most challenging tasks in the emergency department. Coronary computed tomography (CT) angiography may play a major role, since it permits ruling out coronary artery disease with high accuracy if performed with expertise in properly selected and prepared patients. Several randomized trials have established early cardiac CT as a viable safe and potentially more efficient alternative to functional testing in the evaluation of acute chest pain. Ongoing investigations explore whether advanced anatomic and functional assessments such as high-risk coronary plaque, resting myocardial perfusion, and left ventricular function, or the simulation of the fractional coronary flow reserve will add information to the anatomic assessment for stenosis, which would allow expanding the benefits of cardiac CT from triage to treatment decisions. Especially, the combination of high-sensitive troponins and coronary computed tomography angiography may play a valuable role in future strategies for the management of patients presenting with acute chest pain.
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Affiliation(s)
- Koen Nieman
- Erasmus MC, Department of Cardiology, Room Hs207, PO Box 2040, Rotterdam 3000 CA, The Netherlands Erasmus MC, Department Radiology, Rotterdam 3000 CA, The Netherlands
| | - Udo Hoffmann
- Cardiac MR PET CT Program, Massachusetts General Hospital and Harvard Medical School, 165 Cambridge Street, Suite 400, Boston, MA 02114, USA
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Habib PJ, Green J, Butterfield RC, Kuntz GM, Murthy R, Kraemer DF, Percy RF, Miller AB, Strom JA. Association of cardiac events with coronary artery disease detected by 64-slice or greater coronary CT angiography: a systematic review and meta-analysis. Int J Cardiol 2013; 169:112-20. [PMID: 24090745 DOI: 10.1016/j.ijcard.2013.08.096] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2013] [Revised: 08/22/2013] [Accepted: 08/29/2013] [Indexed: 01/10/2023]
Abstract
BACKGROUND The value of ≥64-slice coronary CT angiography (CCTA) to determine odds of cardiac death or non-fatal myocardial infarction (MI) needs further clarification. METHODS We performed a systematic review and meta-analysis using publications reporting events/severity of coronary artery disease (CAD) in patients with suspected CAD undergoing CCTA. Patients were divided into: no CAD, non-obstructive CAD (maximal stenosis <50%), and obstructive CAD (≥50% stenosis). Odds ratios with 95% confidence intervals were calculated using a fixed or random effects model. Heterogeneity was assessed using the I(2) index. RESULTS We included thirty-two studies comprising 41,960 patients with 363 all-cause deaths (15.0%), 114 cardiac deaths (4.7%), 342 MI (14.2%), 69 unstable angina (2.8%), and 1527 late revascularizations (63.2%) over 1.96 (SD 0.77) years of follow-up. Cardiac death or MI occurred in 0.04% without, 1.29% with non-obstructive, and 6.53% with obstructive CAD. OR for cardiac death or MI was: 14.92 (95% CI, 6.78 to 32.85) for obstructive CAD, 6.41 (95% CI, 2.44 to 16.84) for non-obstructive CAD versus no CAD, and 3.19 (95% CI, 2.29 to 4.45) for non-obstructive versus obstructive CAD and 6.56 (95% CI, 3.07 to 14.02) for no versus any CAD. Similar trends were noted for all-cause mortality and composite major adverse cardiovascular events. CONCLUSIONS Increasing CAD severity detected by CCTA is associated with cardiac death or MI, all-cause mortality, and composite major adverse cardiovascular events. Absence of CAD is associated with very low odds of major adverse events, but non-obstructive disease significantly increases odds of cardiac adverse events in this follow-up period.
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Affiliation(s)
- Phillip J Habib
- Division of Cardiology, Department of Medicine, University of Florida College of Medicine, Jacksonville, Jacksonville, FL, United States
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