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Hospital infection surveillance system flawed, say experts

surgeryforweb

Patients recovering from surgery get infections far more often than is being reported, a new study led by De Montfort University has found.

Infection prevention specialists are now calling on the Department of Health to bring in a clear and standardised system for hospitals to try to identify the true scale of surgical infections.

They say a study of the way in which NHS hospital trusts in England has shown “worrying inconsistencies” between hospitals in how they defined surgical site infections and how rigorously they looked for them. As a result, published infection rates for hospitals do not always give a true picture.

The reasons hospitals gave for not submitting data was that the surveillance system was flawed and unwieldy and they didn’t trust the system

Their paper, published today in the Journal of Hospital Infection, casts further doubt on the reliability of the national surgical site infection surveillance scheme in England.

Lead researcher Professor Judith Tanner of De Montfort University said “The national SSI surveillance system in England consistently under-reports the true scale of surgical infection and gives a false sense of security. This study shows there are so many inconsistencies that it’s not possible to benchmark hospitals against the English national surgical site infection data”.

Specialists at De Montfort University, Leicester; Southport and Newcastle universities sent out a questionnaire to all 156 NHS hospital trusts in England asking how they collected and reported data on post-operative wound infectionfor the national surgical site infection surveillance scheme. Replies were received from 106 (68%).

The results showed worrying inconsistencies between hospitals. For example, trusts which actively extended their surveillance to patients who had had knee replacement, after they had been discharged from hospital, reported an infection rate of 4.1%; hospitals that did not look so hard reported a lower rate, 1.5%.

The authors suggested that in order to identify the true scale of surgical infections, hospitals should contact every single patient, by letter or phone within 30 days after surgery.

Prof Tanner said: “The harder you look, the more that you find. Common sense tells you this and now we have demonstrated that with this study. Perversely, hospitals that conduct robust and high quality surveillance are penalized under the current system”.

 

Posted on Tuesday 15th January 2013

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