Patient: Fast heart rate, overworked chest tightness, 54 years old, what procedure is suitable? Previous examination said it is a ductus arteriosus unclosed. A: In response to the information you provided the following recommendations (for reference only): 1) Do a cardiac ultrasound to clarify the diagnosis 2) adults with unclosed ductus arteriosus must be evaluated for pulmonary vascular development (chest radiograph or CT) 3) After a clear diagnosis, perform a preoperative evaluation for elective surgery. The success rate of surgery is over 90%. The following recommendations are made in response to the information you provided (for reference only): 1) The ductus arteriosus is a failure of the ductus arteriosus to close in an infant for some reason; 2) The patient’s symptoms depend on the size of the ductus, the pulmonary vascular resistance, and the combined malformation; a continuous mechanical murmur from the left intercostal space to the left subclavian bone is the characteristic sign; 3) The best and easiest way to confirm the diagnosis is an immediate ultrasound 4) After the diagnosis is clear, ECG, chest X-ray (X-ray, CT), UCG and cardiac catheterization suggest an increased left heart volume load, increased pulmonary blood flow or cardiac catheterization with Qp/Qs >1.5 require surgical treatment: congestive heart failure within 1 year of age should be actively operated, and adult patients should be operated if the secondary pulmonary vascular changes are still in a reversible stage and the hemodynamics are still based on the hemodynamic principles. 5) Surgical procedures include catheter ligation, arterial catheter dissection and suturing, catheter closure under extracorporeal circulation, and cardiac catheter occlusion (for patients with a heart attack). 6) The surgical outcome of arterial ductus arteriosus is positive. The surgical mortality rate varies according to age, degree of pulmonary hypertension and combined malformations, and is less than 1% in cases without pulmonary hypertension, but is higher in adults and those with combined pulmonary hypertension. 7) It is recommended to review ECG, X-ray and UCG in 3-6 months after surgery to decide whether medication is needed and the treatment plan, and to review ECG, X-ray and UCG 1 year after surgery for follow-up.