Title: Comparison of Administration Methods for Epidural Morphine in Postoperative Pain Control
Abstract: Administration of local anesthetics or morphine through epidural space has the effect of curbing postoperative increases in endocrine hormone. Other benefits include improving meta- bolic reaction and eliminating postoperative pain.
However, repeated administration of local anesthetics through epidural space causes tachyphylaxis, and the unstable blockade of sensory nerve resulting in insufficient analgesia. Morphine has excellent postoperative analgesic effect, but complications including: itching, nausea, vomiting, urinary retention and respiratory depression may be associated with its administrtion.
Sixty patients that fall into the category of ASA class I and II were randomly selected for the purpose of the experiment. Thirty patients were give 4 mg of morphine and the rest, 4 mg of morphine plus 80ml of 0.25% bupivacaine administered through epidural space with the Baxter infuser. Analgesic effect was satisfactory in both groups. On the day of operation, the effect was stronger in group I (P<0.05) and on postoperative second day, group II showed bet- ter analgesic effect (P < 0.05). Group II had more patients who complained of itching (P < 0.05). Other complications were statistically insignificant.
The findings indicate that administration of morphine through epidural space for postopera- tive pain management is an effective procedure. Baxter infuser was found to be very instru- mental in pain control while reducing the chance of complications
Publication Year: 1993
Publication Date: 1993-01-01
Language: en
Type: article
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