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Biomedical subjects

L C BENNETT

Publications and source records attributed to L C BENNETT.

8 recordsLinked to original sources

Cardiac operations with extracorporeal circulation.

In a series of 50 patients for whom a heart-lung machine was used for periods as long as 70 minutes during operations to correct structural defects of the heart, there were no deaths attributable to the machine. Seven patients died. Two of them had high pressure ventricular septal defects with bidirectional shunts; a third patient with the same lesion recovered after repair. One patient died of cardiac tamponade when a large blood clot formed about the entire heart in a loosely closed pericardial sac. Others died of various causes. The development of subacute bacterial endocarditis in one patient led to a change in sterilization of apparatus.

Cardiac Surgical Procedures↗

Cardiac operations under direct vision; experience with extracoporeal oxygenation of the blood.

A heart-lung machine capable of oxygenating the blood and maintaining normal pressures during cardiopulmonary by-pass was used in 11 cases in which cardiac operations with the heart under direct vision were carried out. The first patient died. Improvements then were made in the machine and it was used in ten additional operations. One of the ten patients died, 18 hours postoperatively, of cardiac tamponade. Since then six more patients have been operated upon with no complications.

Cardiac Surgical Procedures↗

Carcinoma of the ampulla of Vater; Whipple operation and ten-year arrest in three cases.

For their value as factors in the evaluation of pancreatoduodenectomy for carcinoma of the ampulla of Vater, the late results in three cases in which the Whipple operation was performed for this lesion are presented. At the time of the report, the time that had elapsed since operation was 12 years in one case, 11 in another and 10 in the third. After this article was written, one patient died of carcinoma of the body of the pancreas, but whether the lesion was a recurrence, a metastatic growth, or a second primary lesion could not be determined. There was no evidence of recurrence or metastasis in two of the patients. This report is based upon observation in recent surgical care of two of the patients and upon direct information of the other patient.

Ampulla of Vater↗