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Chen X, Zhao J, Cai Q, Chen R, Wu W, Wang P, Zhang G, Zhen J. Relationship between Coronary Artery Calcium Score and Coronary Stenosis. Cardiol Res Pract 2023; 2023:5538111. [PMID: 38144902 PMCID: PMC10746374 DOI: 10.1155/2023/5538111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 11/16/2023] [Accepted: 11/26/2023] [Indexed: 12/26/2023] Open
Abstract
Background The coronary artery calcium score (CACS) is commonly employed to quantify the degree of calcification in coronary atherosclerosis. Indeed, increased coronary stenosis severity is associated with a progressive increase in CACS. Objectives This study sought to explore the association between CACS and coronary stenosis of ≥50% and ≥70%. Methods We conducted a retrospective analysis of patient data collected between July 1, 2017, and March 3, 2022, at Jiangmen Central Hospital. A total of 208 patients, presenting with both symptomatic and asymptomatic manifestations and suspected coronary artery disease (CAD), were included. Statistical analyses included ROC curve assessments, subgroup analyses based on age, and comparisons of CACS values against the presence of coronary stenosis ≥50% and ≥70%. Results Ultimately, 208 patients were included, with a median age of 65.0 years and a median CACS of 115.7 (interquartile range: 13.7-369.4). A CACS threshold of ≥1300 demonstrated a specificity of 100% for coronary stenosis of ≥50%. Notably, the percentage of patients with obstructive CAD showing CACS = 0 was significantly higher in those under 65 years (15.1%) compared to patients over 65 years (3.8%) (P=0.005). The inflection point, at which the risk probability for coronary stenosis of ≥50% shifted from being a protective factor to a risk factor, was observed when CACS fell within the range of 63.3 to 66.0. Conclusion CACS demonstrates good performance for the detection of coronary artery stenosis.
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Affiliation(s)
- Xinyan Chen
- Department of Cardiology, Guangdong Medical University, Zhanjiang, Guangdong 524000, China
- Department of Cardiology, Jiangmen Central Hospital, Jiangmen, Guangdong 529000, China
| | - Jianbin Zhao
- Department of Cardiology, Jiangmen Central Hospital, Jiangmen, Guangdong 529000, China
| | - Qingqing Cai
- Department of Cardiology, Guangdong Medical University, Zhanjiang, Guangdong 524000, China
| | - Rong Chen
- Department of Cardiology, Jiangmen Central Hospital, Jiangmen, Guangdong 529000, China
| | - Wenhao Wu
- Department of Cardiology, Jiangmen Central Hospital, Jiangmen, Guangdong 529000, China
| | - Peng Wang
- Department of Network Information, Jiangmen Central Hospital, Jiangmen, Guangdong 529000, China
| | - Gaoxing Zhang
- Department of Cardiology, Jiangmen Central Hospital, Jiangmen, Guangdong 529000, China
| | - Jinhuan Zhen
- Department of Cardiology, Guangdong Medical University, Zhanjiang, Guangdong 524000, China
- Department of Cardiology, Kaiping Second People's Hospital, Jiangmen, Guangdong 529300, China
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Macek P, Michałek-Zrąbkowska M, Dziadkowiec-Macek B, Poręba M, Martynowicz H, Mazur G, Gać P, Poręba R. Obstructive Sleep Apnea as a Predictor of a Higher Risk of Significant Coronary Artery Disease Assessed Non-Invasively Using the Calcium Score. Life (Basel) 2023; 13:life13030671. [PMID: 36983827 PMCID: PMC10058620 DOI: 10.3390/life13030671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 02/24/2023] [Accepted: 02/26/2023] [Indexed: 03/05/2023] Open
Abstract
The aim of this study was to assess the coronary artery calcium score in patients with obstructive sleep apnea (OSA). The study group (group A) consisted of 62 patients with diagnosed obstructive sleep apnea (mean age: 59.12 ± 9.09 years, mean AHI index in polysomnography: 20.44 ± 13.22/h), and 62 people without diagnosed obstructive sleep apnea (mean age 59.50 ± 10.74 years) constituted the control group (group B). The risk of significant coronary artery disease was assessed in all patients, based on the measurement of the coronary artery calcium score (CACS) using computed tomography. The following cut-off points were used to assess the risk of significant coronary artery disease: CACS = 0—no risk, CACS 1–10—minimal risk, CACS 11–100—low risk, CACS 101–400—moderate risk, and CACS > 400—high risk. Group A was characterized by statistically significantly higher CACS than group B (550.25 ± 817.76 vs. 92.59 ± 164.56, p < 0.05). No risk of significant coronary artery disease was statistically significantly less frequent in group A than in group B (0.0% vs. 51.6%, p < 0.05). A high risk of significant coronary artery disease was statistically significantly more frequent in group A than in group B (40.3% vs. 4.8%, p < 0.05). In group A, patients with severe OSA and patients with moderate OSA had statistically significantly higher CACS than patients with mild OSA (910.04 ± 746.31, 833.35 ± 1129.87, 201.66 ± 192.04, p < 0.05). A statistically significant positive correlation was found between the AHI and CACS (r = 0.34, p < 0.05). The regression analysis showed that OSA, male gender, older age, type 2 diabetes, peripheral arterial disease, and smoking were independent risk factors for higher CACS values. AHI ≥ 14.9 was shown to be a predictor of a high risk of significant coronary artery disease with a sensitivity and specificity of 62.2% and 80.0%, respectively. In summary, obstructive sleep apnea should be considered an independent predictive factor of a high risk of significant coronary artery disease (based on the coronary artery calcium score).
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Affiliation(s)
- Piotr Macek
- Department of Internal Medicine, Occupational Diseases, Hypertension and Clinical Oncology, Wroclaw Medical University, 213 Borowska St., 50-556 Wroclaw, Poland
| | - Monika Michałek-Zrąbkowska
- Department of Internal Medicine, Occupational Diseases, Hypertension and Clinical Oncology, Wroclaw Medical University, 213 Borowska St., 50-556 Wroclaw, Poland
| | - Barbara Dziadkowiec-Macek
- Department of Internal Medicine, Occupational Diseases, Hypertension and Clinical Oncology, Wroclaw Medical University, 213 Borowska St., 50-556 Wroclaw, Poland
| | - Małgorzata Poręba
- Department of Paralympic Sports, Wroclaw University of Health and Sport Sciences, Witelona 25a, 51-617 Wroclaw, Poland
| | - Helena Martynowicz
- Department of Internal Medicine, Occupational Diseases, Hypertension and Clinical Oncology, Wroclaw Medical University, 213 Borowska St., 50-556 Wroclaw, Poland
| | - Grzegorz Mazur
- Department of Internal Medicine, Occupational Diseases, Hypertension and Clinical Oncology, Wroclaw Medical University, 213 Borowska St., 50-556 Wroclaw, Poland
| | - Paweł Gać
- Department of Population Health, Division of Environmental Health and Occupational Medicine, Wroclaw Medical University, Mikulicza-Radeckiego 7, 50-368 Wroclaw, Poland
- Correspondence: or
| | - Rafał Poręba
- Department of Internal Medicine, Occupational Diseases, Hypertension and Clinical Oncology, Wroclaw Medical University, 213 Borowska St., 50-556 Wroclaw, Poland
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