I work on the CV-surgical step down unit....nurses who have been checked off on the competancy and supervised pulling three sets of tubes (this must include pulling Argyles or Atriums, converting a blake to JP and pulling the JP when appropriate) do all D/Cing of chest tubes. Nurses who are not comfortable do not have to do it, but it really is nice not to have to wait for the surgeons to FINALLY have time to do it!! In our hospital surgeons do not have to be in the building for us to perform this procedure. RN's also pull epicardial wires where I work, for this the surgeons do need to be in-house in case of tamponade. I can safely say that there has never been a problem with RN's doing these things...we all know when NOT to pull and there has never been a complication.
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