Does adding ketamine to morphine patient-controlled analgesia safely improve post-thoracotomy pain?

A best evidence topic in thoracic surgery was written according to a structured protocol. The question addressed was 'is the addition of ketamine to morphine patient-controlled analgesia (PCA) following thoracic surgery superior to morphine alone'. Altogether 201 papers were found using the reported search, of which nine represented the best evidence to answer the clinical question.

Does blood transfusion increase the chance of recurrence in patients undergoing surgery for lung cancer?

A best evidence topic in thoracic surgery was written according to a structured protocol. The question addressed was whether blood transfusion increases the chance of recurrence in patients undergoing surgery for lung cancer. Altogether 468 papers were found using the reported search, of which 21 represented the best evidence to answer the clinical question.