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Therapeutic Methods and Therapies TCIM
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1.
Radiology ; 310(3): e231557, 2024 03.
Article in English | MEDLINE | ID: mdl-38441097

ABSTRACT

Background Coronary artery calcium (CAC) has prognostic value for major adverse cardiovascular events (MACE) in asymptomatic individuals, whereas its role in symptomatic patients is less clear. Purpose To assess the prognostic value of CAC scoring for MACE in participants with stable chest pain initially referred for invasive coronary angiography (ICA). Materials and Methods This prespecified subgroup analysis from the Diagnostic Imaging Strategies for Patients With Stable Chest Pain and Intermediate Risk of Coronary Artery Disease (DISCHARGE) trial, conducted between October 2015 and April 2019 across 26 centers in 16 countries, focused on adult patients with stable chest pain referred for ICA. Participants were randomly assigned to undergo either ICA or coronary CT. CAC scores from noncontrast CT scans were categorized into low, intermediate, and high groups based on scores of 0, 1-399, and 400 or higher, respectively. The end point of the study was the occurrence of MACE (myocardial infarction, stroke, and cardiovascular death) over a median 3.5-year follow-up, analyzed using Cox proportional hazard regression tests. Results The study involved 1749 participants (mean age, 60 years ± 10 [SD]; 992 female). The prevalence of obstructive coronary artery disease (CAD) at CT angiography rose from 4.1% (95% CI: 2.8, 5.8) in the CAC score 0 group to 76.1% (95% CI: 70.3, 81.2) in the CAC score 400 or higher group. Revascularization rates increased from 1.7% to 46.2% across the same groups (P < .001). The CAC score 0 group had a lower MACE risk (0.5%; HR, 0.08 [95% CI: 0.02, 0.30]; P < .001), as did the 1-399 CAC score group (1.9%; HR, 0.27 [95% CI: 0.13, 0.59]; P = .001), compared with the 400 or higher CAC score group (6.8%). No significant difference in MACE between sexes was observed (P = .68). Conclusion In participants with stable chest pain initially referred for ICA, a CAC score of 0 showed very low risk of MACE, and higher CAC scores showed increasing risk of obstructive CAD, revascularization, and MACE at follow-up. Clinical trial registration no. NCT02400229 © RSNA, 2024 Supplemental material is available for this article. See also the editorial by Hanneman and Gulsin in this issue.


Subject(s)
Coronary Artery Disease , Myocardial Infarction , Adult , Humans , Female , Middle Aged , Calcium , Coronary Artery Disease/diagnostic imaging , Chest Pain/diagnostic imaging
2.
Int J Cardiol ; 130(2): e83-5, 2008 Nov 12.
Article in English | MEDLINE | ID: mdl-18255173

ABSTRACT

There is a common perception that high body mass index (BMI) is associated with an increased risk of bleeding complications at the site of femoral puncture when manual compression is used for achieving hemostasis. Because of lack of evidence to support or refute this, we conducted a study to assess whether raised BMI is associated with increased risk of groin complications. 15 cases of groin complications after manual compression over 2 years and 40 controls were each divided into 3 groups according to BMI. Baseline characteristics of cases and controls were similar. High BMI was not found to be associated with increased risk of groin complications, suggesting that manual compression is safe and effective in patients with raised BMI.


Subject(s)
Body Mass Index , Coronary Angiography/methods , Groin/pathology , Musculoskeletal Manipulations/methods , Aged , Coronary Angiography/adverse effects , Female , Groin/blood supply , Hematoma/diagnosis , Hematoma/etiology , Humans , Male , Middle Aged , Musculoskeletal Manipulations/adverse effects , Prospective Studies
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