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. 2025 Sep 26;25(1):680.
doi: 10.1186/s12872-025-05108-6.

The predictive role of dyspnea in left main and/or three-vessel coronary artery involvement in patients with myocardial infarction: an analytical cross-sectional study

Ibrahim Behnam  1 , Mahdi Basiri Moghaddam  1 , Zahra Dalir  2 , Mehrsa Basiri Moghaddam  3
Affiliations

The predictive role of dyspnea in left main and/or three-vessel coronary artery involvement in patients with myocardial infarction: an analytical cross-sectional study

Ibrahim Behnam et al. BMC Cardiovasc Disord. .

V体育平台登录 - Abstract

Background: Heart disease is one of the leading causes of death globally. Clinical symptoms are among the first predictors of heart disease. This study was conducted to investigate the predictive role of symptoms in left main coronary artery (LM) and three-vessel disease (3VD) in patients with myocardial infarction VSports手机版. .

Methods: In this analytical and Cross-sectional study, 177 cardiac patients with myocardial infarction who referred to the emergency department of Imam Reza and Ghaem hospitals in Mashhad were included in the study using a purposive method and in accordance with the inclusion criteria. At the beginning of the study and after obtaining informed consent, 12-lead ECGs were obtained from the patients and a demographic questionnaire and clinical symptom checklist were completed for all patients. Blood pressure, pulse, and respiration rate were measured by the researcher, while the presence of nausea, pain, shortness of breath, and other subjective symptoms were self-reported by the patient. The Visual Analog Scale (VAS) was used to determine pain intensity. Then, the patients underwent angiography by a cardiologist, and the angiographies were performed by one person. Data analysis was performed using SPSS version 21 software V体育安卓版. The normality of quantitative variables was assessed using the Kolmogorov-Smirnov test. The chi-square test was used to compare the frequency of clinical symptoms in the three groups. Logistic regression was used to determine the association of clinical symptoms with pain and QRS duration with 3VD and LM. .

Results: Among the participants, 19 (10. 7%) had both LM and 3VD, 69 (39%) had either LM or 3VD, and 89 (50. 3%) had neither. A significant difference in pain intensity was also found between the three groups. Patients with either LM or 3VD experienced more intense pain, whereas those with both LM and 3VD reported less severe pain compared to the other two groups. Logistic regression analysis showed that the odds of having 3VD or LM were 5 V体育ios版. 2 times higher in patients with shortness of breath in addition to pain, compared to those without shortness of breath (CI = 1. 60-16. 94). .

Conclusions: In the present study, Patients who experienced shortness of breath in addition to pain were more likely to have LM and 3VD. Given that both conditions are associated with higher mortality rates and poorer prognoses, Paying attention to these signs is important. VSports最新版本.

Keywords: Clinical symptoms; Dyspnea; Left main; Myocardial infarction; Pain; QRS; Three-vessel coronary artery involvement. V体育平台登录.

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Conflict of interest statement (V体育官网入口)

Declarations. Ethics approval and consent to participate: The ethics committee that approved our study is Regional Ethics Committee in Research of Gonabad University of Medical Sciences. This article is based on a Master’s thesis in Nursing and has been approved under the ethics code IR. GMU. REC. 1402. 166. The provisions of the Helsinki Declaration and ethical considerations have been adhered to VSports注册入口. Consent for publication: Author consent form is attached. Competing interests: The authors declare no competing interests.

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