Pneumomediastinum and subcutaneous emphysema unusual complications of blunt facial trauma.

We described a rare case of pneumomediastinum following an isolated facial trauma. Traumatic pneumomediastinum is usually secondary to a blunt or penetrating neck, chest or abdominal trauma.

Left heart pump-assisted beating heart coronary surgery in high-risk patients.

A simple technique of left ventricular assistance, offering the advantages of both cardiopulmonary bypass and off-pump revascularization, was adopted for high-risk patients. It was used in 56 patients with critical left main stenosis and occluded right coronary artery, severely reduced ejection fraction and/or unstable angina. All patients underwent complete and successful myocardial revascularization (3.