Valvular heart dis
Valvular heart disease
Valvular heart disease is a common disorder in the elderly . Although most valvular problems remain asymptotic ,there are several complications which can result from prosthetic valve replacement with the various types of prosthetic valves. (119)
The following is a list of the numbers of complications which can occur with various valves .
Early complications associated with the prosthetic valves
a- dislodgment of the prosthesis resulting from disruption or break age of the suture
b- emmobilization of air , thrombus , calcific debris or other material that could enter the coronary , and systemic circulation causing occlusion
c- distortion of an adjacent valve can occur by improperly positioning the prosthetic valve
d-perforation of the myocardium at the time of surgery with either an instrument or suture .
e-malfunction of the ball-type valve caused by protrusion of the papillary muscle
f- trauma and damage to the conductive mechanism or coronary arteries by suturing through them
g-dislodgment of the prosthetic valve resulting from sepsis in the operative area
h-fatal stenosis occurring when thrombosis of the prosthesis takes place , also hemorrhage can occur if anti- coagulants have been used to prevent the formation of thrombosis
i-Trauma to the left – ventricular endocardium if the cage of the mitral valve is too large, this can lead to the formation of mural thrombi . Also irritation of the ventricular can cause ventricular arrhythmias