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Ketorolac use for postoperative pain management following lumbar decompression surgery: a prospective, randomized, double-blinded, placebo-controlled trial. 2008

Ezequiel H Cassinelli, and Clayton L Dean, and Ryan M Garcia, and Christopher G Furey, and Henry H Bohlman
Peachtree Orthopaedic Clinic, Atlanta, GA 30342, USA. zekedr@hotmail.com

METHODS Prospective randomized double-blind placebo-controlled study. OBJECTIVE The objective of this study was to assess the efficacy of Ketorolac in reducing postoperative pain and morphine requirements following primary multilevel lumbar decompression surgery. BACKGROUND The use of opioid medications following surgical interventions can be complicated by related side effects such as respiratory depression, somnolence, urinary retention, and delayed time to oral intake. The use of Ketorolac, a potent nonopioid, nonsteroidal anti-inflammatory drug, is an attractive alternative to morphine as many of the opioid-related side effects can be avoided. METHODS After Institutional Review Board approval, 25 patients who underwent a primary multilevel lumbar decompression procedure were randomly assigned to receive either Ketorolac or placebo in a double-blinded fashion. After surgery, all patients were allowed to receive intravenous morphine on an as needed basis. Morphine requirements were then recorded immediately postoperative, at 6, 12, and at 24 hours postoperative. A patient's overall hospital course morphine requirement was also assessed. Patient postoperative pain levels were determined using the Visual Analog Pain Scale and were documented at 4, 8, 12, 16, 24, and 36 hours postoperative. RESULTS There were no significant differences in available patient demographics, intraoperative blood loss, or postoperative Hemovac drain output between study groups. Morphine equivalent requirements were significantly less at all predetermined time points in addition to the overall hospital morphine requirement in patients randomized to receive Ketorolac. Visual Analog Pain Scores were significantly lower in patients randomized to receive Ketorolac immediately postoperative in addition to 4, 12, and 16 hours postoperative. There were no identifiable postoperative complications associated with the use of Ketorolac. CONCLUSION.: Intravenous Ketorolac seems to be a safe and effective analgesic agent following multilevel lumbar decompressive laminectomy. Patients can expect lower morphine requirements and better pain scores throughout their postoperative course.

UI MeSH Term Description Entries
D007275 Injections, Intravenous Injections made into a vein for therapeutic or experimental purposes. Intravenous Injections,Injection, Intravenous,Intravenous Injection
D008159 Lumbar Vertebrae VERTEBRAE in the region of the lower BACK below the THORACIC VERTEBRAE and above the SACRAL VERTEBRAE. Vertebrae, Lumbar
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009020 Morphine The principal alkaloid in opium and the prototype opiate analgesic and narcotic. Morphine has widespread effects in the central nervous system and on smooth muscle. Morphine Sulfate,Duramorph,MS Contin,Morphia,Morphine Chloride,Morphine Sulfate (2:1), Anhydrous,Morphine Sulfate (2:1), Pentahydrate,Oramorph SR,SDZ 202-250,SDZ202-250,Chloride, Morphine,Contin, MS,SDZ 202 250,SDZ 202250,SDZ202 250,SDZ202250,Sulfate, Morphine
D010147 Pain Measurement Scales, questionnaires, tests, and other methods used to assess pain severity and duration in patients or experimental animals to aid in diagnosis, therapy, and physiological studies. Analgesia Tests,Analogue Pain Scale,Formalin Test,McGill Pain Questionnaire,Nociception Tests,Pain Assessment,Pain Intensity,Pain Severity,Tourniquet Pain Test,Visual Analogue Pain Scale,Analog Pain Scale,Assessment, Pain,McGill Pain Scale,Visual Analog Pain Scale,Analgesia Test,Analog Pain Scales,Analogue Pain Scales,Formalin Tests,Intensity, Pain,Measurement, Pain,Nociception Test,Pain Assessments,Pain Intensities,Pain Measurements,Pain Questionnaire, McGill,Pain Scale, Analog,Pain Scale, Analogue,Pain Scale, McGill,Pain Severities,Pain Test, Tourniquet,Questionnaire, McGill Pain,Scale, Analog Pain,Scale, Analogue Pain,Scale, McGill Pain,Severity, Pain,Test, Analgesia,Test, Formalin,Test, Nociception,Test, Tourniquet Pain,Tests, Nociception,Tourniquet Pain Tests
D010149 Pain, Postoperative Pain during the period after surgery. Acute Post-operative Pain,Acute Postoperative Pain,Chronic Post-operative Pain,Chronic Post-surgical Pain,Chronic Postoperative Pain,Chronic Postsurgical Pain,Pain, Post-operative,Persistent Postsurgical Pain,Post-operative Pain,Post-operative Pain, Acute,Post-operative Pain, Chronic,Post-surgical Pain,Postoperative Pain, Acute,Postoperative Pain, Chronic,Postsurgical Pain,Postoperative Pain,Acute Post operative Pain,Chronic Post operative Pain,Chronic Post surgical Pain,Chronic Postsurgical Pains,Pain, Acute Post-operative,Pain, Acute Postoperative,Pain, Chronic Post-operative,Pain, Chronic Post-surgical,Pain, Chronic Postoperative,Pain, Chronic Postsurgical,Pain, Persistent Postsurgical,Pain, Post operative,Pain, Post-surgical,Pain, Postsurgical,Post operative Pain,Post operative Pain, Acute,Post operative Pain, Chronic,Post surgical Pain,Post-operative Pains,Post-surgical Pain, Chronic,Postsurgical Pain, Chronic,Postsurgical Pain, Persistent
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D004311 Double-Blind Method A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment. Double-Masked Study,Double-Blind Study,Double-Masked Method,Double Blind Method,Double Blind Study,Double Masked Method,Double Masked Study,Double-Blind Methods,Double-Blind Studies,Double-Masked Methods,Double-Masked Studies,Method, Double-Blind,Method, Double-Masked,Methods, Double-Blind,Methods, Double-Masked,Studies, Double-Blind,Studies, Double-Masked,Study, Double-Blind,Study, Double-Masked
D004334 Drug Administration Schedule Time schedule for administration of a drug in order to achieve optimum effectiveness and convenience. Administration Schedule, Drug,Administration Schedules, Drug,Drug Administration Schedules,Schedule, Drug Administration,Schedules, Drug Administration

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