Although all patients were in reasonable condition, less myocardial enzyme leakage occurred on the aprotinin group, suggesting that aprotinin has a protective effect on the myocardium beyond that achieved with blood cardioplegia and systemic hypothermia. Because of aprotinin's effects on multiple targets of metabolism, its protective value might increase in more complicated cases.

The direct cardiac effects of morphine, alfentanil, ketamine, etomidate, thiopentone, midazolam and propofol were measured in isolated Wistar rat hearts. Experiments were performed using a multiple columnar Langendorff apparatus and the hearts were perfused with a modified Tyrode solution under constant pressure. Each drug was applied from a different column in rising concentrations at 5-min intervals. Dose ranges were chosen to compare effects at sub-clinical, clinically relevant and more than clinical concentrations. Six rat hearts were chosen at random for each drug. Only thiopentone reduced contractile force at a clinically relevant concentration: measured as g contractility per g heart weight-1 (mean +/- standard deviation), base-line contractility was 8.8 +/- 2.4, and contractility at 10(-4) mol litre-1 thiopentone was 7.1 +/- 1.5 (P < 0.01). Alfentanil was the only drug to have no significant effect on the isolated heart at any concentration. Propofol was not cardiodepressant at clinically relevant concentrations, but had a lower therapeutic range than the other drugs.

Hydatid disease rarely involves the aortic wall. We report a case of hydatidosis involving the ascending aorta and the left atrium. The patient underwent replacement of the ascending aorta with a prosthetic Dacron graft and left atrial cystectomy. At the 6-month follow-up, she was leading a normal life.

The direct cardiac effects of morphine, alfentanil, ket?amine, etomidate, thiopentone, midazolam and propofol were measured in isolated Wistar rat hearts. Experiments were performed using a multiple columnar Langendorff apparatus and the hearts were perfused with a modified Tyrode solution under constant pressure. Each drug was applied from a different column in rising concentrations at 5‐min intervals. Dose ranges were chosen to compare effects at subclinical, clinically relevant and more than clinical concentrations. Six rat hearts were chosen at random for each drug. Only thiopentone reduced contractile force at a clinically relevant concentration: measured as g contractility per g heart weight−1 (mean±standard deviation), base‐line contractility was 8.8±2.4, and contractility at 10−4 mol litre−1 thiopentone was 7.1±1.5 ( P<0.01). Alfentanil was the only drug to have no significant effect on the isolated heart at any concentration. Propofol was not cardiodepressant at clinically relevant concentrations, but had a lower therapeutic range than the other drugs.

No abstract