A 71-year-old woman was admitted with general fatigue and appetite loss. Computed tomography showed hypertrophy of the pericardium surrounding the anterior of the right ventricule (RV). Cardiac catheterization demonstrated a rise of RV end-diastolic pressure and a dip-and-plateau pattern of the pressure curve of RV without any coronary disease. Therefore, we diagnosed heart failure due to constrictive pericarditis and performed pericardectomy using an Ultrasonic Scalpel through a median sternotomy without cardiopulmonary bypass. No improvement of the hemodynamics during the operation was found despite subtotal pericardectomy. Then, we performed the waffle shape cutting of the residual epicardium using an Ultrasonic Scalpel and obtained improvement of the hemodynamics on the operation. We then obtained increased cardiac output and the improved hemodynamics without a dip-and-plateau of the pressure curve of RV. No recurrence of the constrictive pericarditis has been found for two years. Hence, we consider that the waffle shape cutting of the epicardium using an Ultrasonic Scalpel is one of the most useful surgical repairs.

Five patients with vascular graft infections were surgically treated over a 16-year period. Primary diseases were arteriosclerosis obliterans in 3 cases and invasion of malignant diseases in 2 cases. The most common site of infection was the groin (3 of 5). Staphylococcus aureus was the most common pathogen. Administration of antibiotics, drainage and lavage with povidone iodine solution were performed in 4 patients (40-64 days). All patients underwent graft resection and reconstruction. Infected parts of the previous grafts were removed. Total removal of the previous graft was performed in 2 cases and partial removal was performed in 3 cases. To avoid re-infection, long extra-anatomical bypass was performed in 4 cases. The post operative courses of the five patients were uneventful.