Neurosurgical procedures cause more pain than anticipated. Anticipated pain intensity is independent of the operation type and preoperative pain intensity. Postcraniotomy on-demand analgesic medication is appropriate, if the nurses on the ward react quickly. Otherwise, patient-controlled analgesia might be an option. Other neurosurgical procedures require scheduled analgesic therapies. Spinal surgery requires intensive preoperative pain treatment; a shift in pain character from preoperative referred pain to postoperative local pain is expected. Patients with referred pain after lumbar flavectomy are prone to the most intense pain. Patients with preoperative pain experience more postoperative pain than those without preoperative pain and require more intensive pain management. Increased postoperative VAS scores are associated with surgery-related complications.

Oral iron supplementation increased the production of Hb in autologous blood donors more than placebo did. Additional intravenous iron did not lead to a further increase in preoperative Hb production.

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