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Cardiac surgery and hypertension: a dangerous association that must be well known
1Department of Cardiothoracic Surgery, Affiliated Hospital of Taishan Medical College, Taian 27100,Shandong Province, People's Republic of China. shi_min_yuan@yahoo.com
Insights
Uncontrolled hypertension can lead to critical cardiovascular conditions like myocardial infarction and aortic dissection. Understanding these links is vital for better patient prognosis and treatment strategies.
Area of Science:
- Cardiovascular Medicine
- Hypertension Research
- Clinical Cardiology
Background:
- Hypertension is a prevalent condition with severe consequences if unmanaged.
- Complications of uncontrolled hypertension, often overlooked, can necessitate urgent surgical intervention.
- Key conditions discussed include coronary artery disease, acute aortic syndrome, congenital/valvular heart disease, and arrhythmias.
Purpose of the Study:
- To present critical cardiovascular conditions linked to uncontrolled hypertension.
- To discuss the etiologies, including biomolecular factors, of these hypertension-related conditions.
- To explore potential treatment strategies and their prognostic relevance.
Main Methods:
- Review of existing literature on hypertension and associated cardiovascular diseases.
- Analysis of hemodynamic, electrophysiological, and biomolecular mechanisms.
- Discussion of specific molecular pathways and genetic factors involved.
Main Results:
- Coronary artery disease (myocardial infarction, myocardial rupture) and aortic dissection are major critical events.
- Hypertension's role involves complex hemodynamic, electrophysiological, and biomolecular factors.
- Specific pathways (nitric oxide, TGF, MMPs, Wnt, p38, JNK) and gene phenotypes are implicated.
Conclusions:
- Uncontrolled hypertension significantly contributes to severe cardiovascular events.
- Biomolecular mechanisms are increasingly recognized as crucial in hypertension's impact.
- Understanding these complex interactions is essential for improved prognostic outcomes and targeted therapies.
Abstract:
It is well-known that hypertension is a very common disease, and severe cerebrovascular accidents might occur if the blood pressure is not properly controlled. However, conditions associated with uncontrolled hypertension may be overlooked, and may become critical and eventually require a surgical intervention on an urgent basis. Coronary artery disease, acute aortic syndrome, congenital and valvular heart disease, and arrhythmias are under this topic of discussion. Of them, coronary artery disease including myocardial infarction and especially postinfarction myocardial rupture, and aortic dissection are major critical situations that physicians may encounter in clinical practice. The role that hypertension plays in these conditions can be complex, including hemodynamic, electrophysiological and biomolecular factors, where the latter may prevail in the current era. Coronary artery disease may be associated with a reduced nitric oxide synthesis. Transforming growth factor and matrix metalloproteinases have been observed in relation to aortic syndrome. Wnt, p38 and JNK signaling pathway may be involved in the development of ventricular hypertrophy responsible for cardiac arrythmias. Various gene phynotypes may present in different congenital heart defects. This article is to present these conditions, and to further discuss the possible etiologies and the potential treatment strategies so as to highlight the relevance at a prognostic level.
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