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Biomedical subjects

R Byron

Publications and source records attributed to R Byron.

5 recordsLinked to original sources
PubMed1986

Redirection of central venous pressure catheters using a flow directed technique.

The malposition of the tip of a central venous catheter occurs in 5 to 30 per cent of the attempts. Repositioning of the catheter tip can be successfully and safely performed in 87.5 per cent of the patients using a Fogarty balloon catheter and flow directed techniques to float the CVP catheter to the ideal location in the superior vena cava. Since the first attempt is almost uniformly successful (in six of seven patients), the flow directed technique is both cost effective and clinically efficient.

Catheters, Indwelling↗
PubMedDate not supplied

Knotting and entanglement of multiple central venous catheters.

A 53-yr-old black male was admitted with peripheral vascular disease and septic shock. Appropriate cardiopulmonary resuscitation and operative intervention required the placement of multiple central venous lines. These included two subclavicular central venous pressure (CVP) catheters and one Swan-Ganz catheter (SGC). During manipulation of the SGC, it formed a knot with the two CVP catheters entangled in it. After consideration of the variety of strategies that could be employed, the CVP catheters were manually disengaged from the knot and the knot was surgically removed. The increasing frequency and multiple central angioaccess catheters will result in a finite increase in the nature and complexity of the clinical challenges. The insistence on the use of multiple single-channel catheters for separate therapeutic functions and the duration of stay of pulmonary catheters should be reconsidered.

Cardiac Catheterization↗