High Cholesterol Disorders, Myocardial Infarction and Its Therapeutics

The current review article discusses several conditions linked to high cholesterol, including their causes, diagnoses, and treatments. Cardiovascular disease is one of the leading causes of death worldwide, and hypercholesterolemia is a standalone risk factor for the condition. Numerous cardiovascular illnesses (CVDs) and disorders, including myocardial infarction, hypertension, peripheral vascular diseases, and coronary heart diseases, were highlighted in this article. Low density lipoprotein (LDL) is the key factor in the majority of CVDs. It adheres to fatty deposits and forms plaques inside artery lumen, preventing the heart and other body organs from receiving enough blood and oxygen. Cardiomyopathies and dyslipidemias are the most common causes of morbidity and mortality in men and place a considerable health cost on society. Age, hypertension, obesity-induced blood pressure, and a rise in plasma cholesterol are all factors that raise the risk of coronary heart disease (CHD). Calorie intake must be controlled, meal composition must be changed, a natural cycle must be established, and circadian timeliness must be maintained in order to live a healthy life. To lower the risks of metabolic and cardiovascular diseases, try to go vegetarian and always consume traditional plant-based diets and herbal remedies. Exercise yoga and aerobics every day to stay physically healthy, and have your blood pressure, blood sugar, and cholesterol levels checked on a regular basis. Follow your family doctor’s recommendations for managing high cholesterol risks and diagnosing CVD, obtain a lipid profile, take the recommended medications, maintain composure, and adopt a positive outlook for a long and healthy life.

Effect of Different Styles of Coronary Heart Disease and Its Risk Factors on Cardiac Remodeling and Dysfunction

Objectives To evaluate the effect of different styles of coronary heart disease （CHD）, different regions of acute myocardial infarction （AMI）, its risk factors and branches of coronary stenosis on left ventricular remodeling and dysfunction by applying echocardiography. Methods 251 patients with CHD and 96 patients without CHD （NoCHD） were verified by selective coronary angiography. CHD patients were divided into stable angina pectoris （SAP） 26, unstable angina pectoris（UAP） 53, acute myocardial infarction （AMI） 140 and old myocardial infarction （OMI） 30 based on clinical situation, cTnT, cardiac enzyme and ECG. AMI patients were further divided into subgroups including acute anterior myocardial infarct （Aa,n = 53）, acute inferior myocardial infarction （Ai, n=54） and Aa＋Ai （n=33） based on ECG. Cardiac parameters： end-diastolic interventricular septum thickness（IVSd）, end-diastolic left ventricular internal diameter （LVd）, left ventricular mass （LM）, end-diastolic left ventricular volume （EDV）, end-systolic left ventricular volume （ESV） and left ventricular ejection fraction（LVEF） were measured by ACUSON 128XP/10 echocardiography. Multiples linear regression analyses were performed to test statistical associations between LVEF and the involved branches of coronary stenosis, blood pressure, lipids, glucose and etc after onset of myocardial infarction. Results EDV and ESV were increased and LVEF decreased on patients with AMI,OMI and UAP （P〈0.05-0.0001）. LM was mainly increased in patients with OMI （P〈0.01） and LVd was mainly enlarged in patients with AMI. EF was significantly decreased and EDV, ESV, LM and LVd were remarkably increased in AMI patients with Aa and Aa＋Ai. With the multiple linear regression analyses by SPSS software, we found that LVEF was negatively correlated to the involved branches of coronary stenosis as well as to systolic blood pressure after onset of myocardial infarction while there was no significant correlation between LVEF and other factors. LVEF was significantly decreased, and LVd and LM increased in AMI patients with antecedent hypertension, compared to patients without hypertension （P〈0.001）. Conclusions Effects of different styles of CHD and different regions of AMI on left ventricular remodeling and cardiac function are different. Myocardial infarction, especially Aa and Aa＋Ai, is one of the most important causes of left ventricular remodeling and cardiac dysfunction. Multiple vessel stenosis and systolic blood pressure at the onset of myocardial infarction reduce LVEF in AMI patients. Antecedent hypertension may accelerate the effect of AMI on cardiac remodeling and dysfunction. Therefore primary and secondary preventions of CHD are critical for protecting heart from remodeling and dysfunction.