Myron Yaster

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Prospective evaluation of pain and analgesic use following major elective intracranial surgery.

Allan Gottschalk; Lauren C Berkow; Robert D Stevens; Marek Mirski; Richard E Thompson; Elizabeth D White; Jon D Weingart; Donlin M Long; Myron Yaster (Profiled Authors: Marek Mirski; Myron Yaster; Jon Weingart; Allan Gottschalk; Donlin Long; Robert Stevens; Richard Thompson; Lauren Berkow)

Department of Anesthesiology and Critical Care Medicine, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21287-4965, USA. agottschalk@jhmi.edu
Journal of neurosurgery 2007;106(2):210-6.

OBJECT: Opioid administration after major intracranial surgery is often limited by a presumed lack of need and a concern that opioids will adversely affect the postoperative neurological examination. The authors conducted a prospective study to evaluate the incidence, severity, and treatment of postoperative pain in patients who underwent major intracranial surgery. METHODS: One hundred eighty-seven patients (77 men and 110 women, mean age 52 +/- 15 years, mean weight 78.1 +/- 19.9 kg) underwent either supratentorial (129 patients) or infratentorial (58 patients) procedures. Sixty-nine percent of the patients reported experiencing moderate to severe pain (> or =4 on a 0-10 scale) during the 1st postoperative day. Pain scores greater than or equal to 4 persisted in 48% on the 2nd postoperative day. Approximately 80% of patients were treated with acetaminophen on the 1st postoperative day, whereas opioids (primarily intravenous fentanyl) were administered to 58%. Compared with patients who underwent supratentorial procedures, those who underwent infratentorial procedures reported more severe pain at rest (mean score 4.9 +/- 2.2 compared with 3.8 +/- 2.6; p = 0.015) and with movement (mean score 6.3 +/- 2.6 compared with 4.5 +/- 2.7; p < 0.001) on the 1st postoperative day. On both the 1st and 2nd postoperative days, patients who underwent infratentorial procedures received greater quantities of opioid (p < or = 0.019) and nonopioid (p < or = 0.013) analgesics than those who underwent supratentorial procedures. Patients' dissatisfaction with analgesic therapy was significantly associated with elevated pain levels on the first 2 postoperative days (p < 0.001). CONCLUSIONS: In contrast to prevailing assumptions, the study findings reveal that most patients undergoing elective major intracranial surgery will experience moderate to severe pain for the first 2 days after surgery and that this pain is often inadequately treated.

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