Ultrasound before discharge and after 3 months, we found similar results: mean EF: mechanical mitral valve: 56.28 ± 10.67%; Aortic valve: 54.72 ± 9.66%. Mean pressure: Mitral valve: 3.18 ± 1.25; Aortic valve: 12.12 ± 3.25 mmHg.