ABSTRACT
BACKGROUND: Intravenous (IV) morphine is commonly used for postoperative pain management. Ketorolac has been proposed as a potent analgesic for treatment of moderate to severe pain. The purpose of this study was to determine the equianalgesic dose of morphine and ketorolac using intravenous patient-controlled analgesia (IV-PCA) system in human volunteers. METHODS: Fourty-five patients undergoing elective total abdominal hysterectomy were randomly assigned to receive either morphine (n=22) or ketorolac (n=23) when postoperative pain first increased to 40/100 mm (by visual analogue scale; VAS). Until postoperative pain decreased to 40/100 mm, morphine and ketorolac group received repeated IV boluses of 3 mg of morphine and 18 mg of ketorolac respectively and then followed by a IV-PCA with morphine (basal infusion 0 mg/hr, PCA dose 1 mg/1 ml, lock-out interval 5 min) and ketorolac (basal infusion 0 mg/hr, PCA dose 5 mg/1ml, lock-out interval 5 min). Analgesic efficacy with VAS (0~100 mm), PCA demand ratio and rate, analgesics consumptions, patient satisfaction and side effects were compared. RESULTS: There were no significant differences in VAS, PCA demand ratio and patient satisfaction. Mean 48-hour morphine and ketorolac consumptions were 35 (SEM=2.9) mg and 224 (SEM=16.5) mg, respectively (ratio=1:6.4). Morphine group experienced side effects such as pruritus (45%), nausea and vomiting (41%) and respiratory depression (5%). However, ketorolac group only showed side effects such as nausea and vomiting (26%). CONCLUSION: We concluded the ratio of equianalgesic dose of morphine versus ketorolac using intravenous patient-controlled analgesia (IV-PCA) after total abdominal hysterectomy was 1 versus 6.4.
Subject(s)
Humans , Analgesia, Patient-Controlled , Analgesics , Healthy Volunteers , Hysterectomy , Ketorolac , Morphine , Nausea , Pain, Postoperative , Passive Cutaneous Anaphylaxis , Patient Satisfaction , Pruritus , Respiratory Insufficiency , VomitingABSTRACT
BACKGROUND: Intravenous (IV) morphine is commonly used for postoperative pain management. Ketorolac has been proposed as a potent analgesic for treatment of moderate to severe pain. The purpose of this study was to determine the equianalgesic dose of morphine and ketorolac using intravenous patient-controlled analgesia (IV-PCA) system in human volunteers. METHODS: Fourty-five patients undergoing elective total abdominal hysterectomy were randomly assigned to receive either morphine (n=22) or ketorolac (n=23) when postoperative pain first increased to 40/100 mm (by visual analogue scale; VAS). Until postoperative pain decreased to 40/100 mm, morphine and ketorolac group received repeated IV boluses of 3 mg of morphine and 18 mg of ketorolac respectively and then followed by a IV-PCA with morphine (basal infusion 0 mg/hr, PCA dose 1 mg/1 ml, lock-out interval 5 min) and ketorolac (basal infusion 0 mg/hr, PCA dose 5 mg/1ml, lock-out interval 5 min). Analgesic efficacy with VAS (0~100 mm), PCA demand ratio and rate, analgesics consumptions, patient satisfaction and side effects were compared. RESULTS: There were no significant differences in VAS, PCA demand ratio and patient satisfaction. Mean 48-hour morphine and ketorolac consumptions were 35 (SEM=2.9) mg and 224 (SEM=16.5) mg, respectively (ratio=1:6.4). Morphine group experienced side effects such as pruritus (45%), nausea and vomiting (41%) and respiratory depression (5%). However, ketorolac group only showed side effects such as nausea and vomiting (26%). CONCLUSION: We concluded the ratio of equianalgesic dose of morphine versus ketorolac using intravenous patient-controlled analgesia (IV-PCA) after total abdominal hysterectomy was 1 versus 6.4.
Subject(s)
Humans , Analgesia, Patient-Controlled , Analgesics , Healthy Volunteers , Hysterectomy , Ketorolac , Morphine , Nausea , Pain, Postoperative , Passive Cutaneous Anaphylaxis , Patient Satisfaction , Pruritus , Respiratory Insufficiency , VomitingABSTRACT
BACKGROUND: The purpose of this study was to evaluate the historical anesthetic trends for last 35 years at Chonnam National University Hospital (CNUH). METHODS: The anesthetic records of total 101,637 anesthetic cases performed at CNUH from January 1961 to December 1996 were reviewed and analyzed according to age, sex, department, operation site, physical status, preoperative findings, anesthetic methods and agents, duration of operation, etc. RESULTS: Annual anesthetic cases was increased remarkably year by year; annual surgical patients increased 19 times for 35 years. The ratio of male to female was 1.18:1. The percent of geriatric anesthesia was increased year by year. In preoperative physical status from ASA definitions, 83.6 % of total patients was assigned class I and II. The average departmental distributions in descending order were surgery, orthopedic surgery, obstetrics and gynecology, neurosurgery, urology, ENT, thoracic surgery, ophthalmology, plastic surgery, oral and maxillofacial surgery, and others. The distributions of operation site in descending order were lower abdomen, neck, upper abdomen, lower extremities, head, chest, spine, upper extremities, and breast. Inhalational anesthesia was the most frequent used methods. Ether was abandoned from 1983, and major volatile anesthetics was halothane from 1981 to 1991. The use of enflurane has steadily increased and isoflurane has also been used with increasing frequency since 1992. CONCLUSIONS: Anesthetic cases are markedly increased year by year, and major volatile anesthetics and neuromuscular blocker were changed from halothane to enflurane and from pancuronium to vecuronium, respectively.