SIMPLIFIED TECHNIQUE FOR DIRECT VISION PULMONARY VALVOTOMY

The results of valvotomy for simple pulmonary stenosis.

The medical aspects of simple pulmonary stenosis, i.e. valvular stenosis with a closed ventricular septum, have been discussed recently (Campbell, 1954). We wish now to describe the results after pulmonary valvotomy, as we have those after anastomotic and direct operation in Fallot's tetralogy (Campbell and Deuchar, 1953: Campbell, Deuchar, and Brock, 1954). We have carried out the follow-up in...

Valvotomy as a curative operation for simple pulmonary stenosis.

Surgical closed pulmonary valvotomy for critical pulmonary stenosis: implications for the balloon valvuloplasty era.

BACKGROUND Closed pulmonary valvotomy for critical pulmonary stenosis has no apparent advantage over the percutaneous balloon technique, though it is used when balloon valvuloplasty fails. Experience of this technique at the Heart Institute, Tel Hashomer, since it was first used in 1973 has been reviewed. METHODS Thirty eight infants up to 1 year old (25 of them neonates--that is, nil to 1 mo...

Simplified technique for DaVinci view spine presentation

Background DaVinci presentation is a physician friendly picture of scoliotic spine seen from the cephalad side in the horizontal plane. This presentation is complementary to the standard view of the spine in two planes: frontal (anterior-posterior) and sagittal (lateral). DaVinci presentation can be obtained by using a few techniques which allow for three-dimensional reconstructions: CT, MRI, E...

A Simplified Technique for Forensic Precipitation Tests.

novement of the end of the bar (e) and assures a quick and positive movement of the valve when the vessel (d) moves from the "down" to the "up" position. A suitable counter weight is suspended from the bar (e). As indicated in the diagram, when the vessel (d) is in the "up" position air pressure from the compressed air main forces the culture solution up into the sand containers. As the solutio...