Nefopam, a centrally acting analgesic, has been used to control postoperative pain. Reported adverse effects are anticholinergic, cardiovascular or neuropsychiatric. Neurologic adverse reactions to nefopam are confusion, hallucinations, delirium and convulsions. There are several reports about fatal convulsive seizures, presumably related to nefopam. A 71-year-old man was admitted for surgery f...

BACKGROUND The analgesic nefopam does not compromise ventilation, is minimally sedating, and is effective as a treatment for postoperative shivering. The authors evaluated the effects of nefopam on the major thermoregulatory responses in humans: sweating, vasoconstriction, and shivering. METHODS Nine volunteers were studied on three randomly assigned days: (1) control (saline), (2) nefopam at...

Postanaesthetic shivering is a frequent complication following general anaesthesia. The aim of this study was to compare the effectiveness of three doses of nefopam with clonidine and placebo in the prevention of postanaesthetic shivering. We studied 371 patients undergoing abdominal or orthopaedic surgery. Patients were allocated to one of five groups: Group A (n = 73) received 0.2 mg x kg(-1)...

BACKGROUND Nefopam is a centrally acting analgesic that is used to control pain. The aim of this study was to find an appropriate dose of nefopam that demonstrates an analgesic effect when administered in continuous infusion with fentanyl at the end of laparoscopic cholecystectomy. METHODS Ninety patients scheduled for laparoscopic cholecystectomy were randomly assigned to receive analgesia w...

Background We compared the analgesic efficacy and side effects of ketorolac and nefopam that were co-administered with fentanyl via intravenous patient-controlled analgesia. Methods One hundred and sixty patients scheduled for laparoscopic cholecystectomy were randomly assigned to ketorolac (Group K) or nefopam (Group N) groups. The anesthetic regimen was standardized for all patients. The an...

BACKGROUND Shivering is a frequent event during spinal anesthesia and meperidine is a well-known effective drug for prevention and treatment of shivering. Nefopam is a non-opiate analgesic and also known to have an anti-shivering effect. We compared nefopam with meperidine for efficacy of prevention of shivering during spinal anesthesia. METHODS Sixty five patients, American Society of Anesth...

BACKGROUND Shivering during spinal anesthesia is a frequent complication and is induced by the core-to-peripheral redistribution of heat. Nefopam has minimal side effects and prevents shivering by reducing the shivering threshold. Electroacupuncture is known to prevent shivering by preserving the core body temperature. We compared the efficacies of electroacupuncture and nefopam for the prevent...

The mode of action of nefopam, a novel analgesic, on the splanchnic afferent pathway was investigated using electrophysiological methods. Nefopam (2.5 and 5.0 mg/kg, i.v.) caused arousal patterns in spontaneous rabbit EEG. In intact cats, nefopam (1.0, 2.5 and 5.0 mg/kg, i.v.) suppressed the evoked potentials recorded from the posterior sigmoid gyrus of the cortex, N. ventralis posterolateralis...

Three comparable groups of surgical patients were given nefopam 0.2 mg kg-1 or 0.4 mg kg-1 or morphine 0.15 mg kg-1 for pain relief after operation. Nefopam 0.4 mg kg-1 was equi-analgesic with morphine 0.15 mg kg-1 and produced no obvious cardiovascular or respiratory side-effects.

Background: While recovery from remifentanil is fast due to its rapid metabolism, it can induce hyperalgesia by activation of N-methyl-D-aspartic acid (NMDA) receptors. Therefore, administration of NMDA receptor antagonists such as ketamine is effective in relieving hyperalgesia caused by remifentanil. A previous study showed that nefopam administration before anesthesia combined with low-dose ...