Assignment: Sympathetic Nervous System

Assignment: Sympathetic Nervous System
Assignment: Sympathetic Nervous System
Vasoreactivity has been found to be higher in hypertensive patients than normotensive patients. This occurs because limited vascular tone differences cause a change to blood pressure of hypertension patients. As such, it causes an abrupt fall or rise in the blood pressure. Secondly, baroreflex resetting occurring in hypertension patients causes a shift in the flow of blood to important organs (European Society of Cardiology, 2014). In this regard, a decrease in blood pressure causes an equal reduction of blood flow to important organs of hypertension patients. Lastly, the left ventricle (LV) hypertrophy is specifically designed to tolerate high blood pressure.
Hypertension is a worst condition during surgery of hypertensive patients. Studies have shown that it is a form of dreadful triad that can cause endocardium ischemia without the patient having and problem of coronary complications. During surgery, anesthesia induces sympathetic stimulation and high blood pressure in hypertensive patients. For example, anxiety before onset of surgery, stress and hypoxia have been found to be common triggers of perioperative condition (de Waal et al., 2015). However, vascular and cardiac surgery cannot be controlled through cardiovascular regulation because tension to the vascular sutures will result to inducing bleeding.
Currently, hypertension is not considered as an important risk factor in predicting the amount of cardiovascular complications (Fleisher et al., 2014). According to Le Manach et al. (2016), hypertension is a dominant preoperative that does not occur in multivariate models that are used to determine death. Other epidemiology studies have shown that hypertensive patients suffer from post treatment management. Therefore, all hypertensive patients must be considered as being susceptible to hemodynamic instability following surgery using anesthesia. Where hypertension is not properly controlled, it acts as a major indirect risk factor that can result to coronaropathy.
Consequences of Anesthesia to Hypertensive Patients. General anesthesia has a major impact to sympathetic nervous system and renin-angiotensin system (Lee et al., 2015).
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