光谱分析

Study on the Diagnosis of Abnormal Prosthetic ValveAbnormal valve;Spectral analysis;Neural network;The two major problems related to the blood flow in replaced prosthetic heart valve are thrombus formation and hemolysis. Reliability of prosthetic valve is very important because its failure means the death of patient. There are many factors affecting the valvular failures and their representatives are mechanical failure and thrombosis, so early noninvasive detection is essentially required.