Abstract
The use of indwelling venous cannulae is commonplace and of undoubted value. However, they are associated with complications, notably thrombophlebitis and infection. This study seeks to show that they may now have become overused and abused, especially in general wards. It is recommended that the indications for them be more critically examined, that they must be routinely heparinised and regularly inspected, and be removed without unnecessary delay.
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