No advantage in nurse INR monitoring

A Canadian study has investigated whether monitoring by nurses is more effective than monitoring by GPs.

The study involved three family practices which had introduced monitoring by nurses with information about INR results extracted from electronic records.

There were 372 patients with results reported before and after nurse monitoring. Most patients were elderly people with atrial fibrillation.

Good control was defined as INR outside the therapeutic range in 25% or less of the results. Moderate control was being outside the range more than