Complex sentence: A systematic review investigated tetracaine for use in emergency departments, especially for IV cannulation in children, in view of its analgesic and cost-saving properties-however it did not find an improvement in first attempt cannulations.
Split into simpler sentences: A systematic review investigated tetracaine for use in emergency departments, especially for IV cannulation in children, in view of its analgesic and cost-saving properties. However, it did not find an improvement in first attempt cannulations.