Abstract
One of the major advances in the techniques of intravenous feeding was the realization that in order to infuse hypertonic solutions for prolonged periods it was necessary to have a catheter whose tip lay in a large-calibre high-flow vein, the best being the superior vena cava. Percutaneous cannulation of the subclavian vein as described by Aubaniac (1952) was introduced for intravenous feeding by Dudrick in the late 1960s. Since then different approaches to central vein catheter insertion have been described and relative merits and disadvantages debated at length. The existence of so many different techniques for central vein cannulation is a reflection of the fact that no single technique is either complication-free or appropriate to any single individual’s technical abilities. Before considering the techniques for central venous catheterization, it is important to discuss briefly the use of peripheral veins for intravenous feeding.
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