Immediately after the operation, and 1 month and 6 months after the operation, the echocardiography was reviewed in the outpatient clinic. The efficacy and hospitalization costs of the two groups were compared.
Immediately after surgery, heart ultrasound in January and June after surgery was reviewed by the clinic, and the efficacy and hospitalization costs of the two groups of patients were compared.
Cardiac ultrasound was reexamined immediately after operation, 1 month and 6 months after operation. The curative effect and hospitalization cost of the two groups were compared.<br>