• Journal of Dental Anesthesia and Pain Medicine
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• v.16 no.4
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• pp.273-281
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• 2016

Background: Postoperative nausea and vomiting (PONV) is one of the most common postoperative complications. Despite this, few papers have reported the incidence and independent risk factors associated with PONV in the context of oral and maxillofacial surgery (OMFS). Therefore, we sought to determine the incidence of PONV, as well as to identify risk factors for the condition in patients who had undergone OMFS under general anesthesia. Methods: A total of 372 patients' charts were reviewed, and the following potential risk factors for PONV were analyzed: age, sex, body mass index, smoking status, history of PONV and/or motion sickness, duration of anesthesia, amount of blood loss, nasogastric tube insertion and retention and postoperative opioid used. Univariate analysis was performed, and variables with a P-value less than 0.1 were entered into a multiple logistic regression analysis, wherein P-values < 0.05 were considered significant. Results: The overall incidence of PONV was 25.26%. In the multiple logistic regression analysis, the following variables were independent predictors of PONV: age < 30 years, history of PONV and/or motion sickness, and anesthesia duration > 4 h. Furthermore, the number of risk factors was proportional to the incidence of PONV. Conclusions: The incidence of PONV in patients who have undergone OMFS varies from center to center depending on patient characteristics, as well as on anesthetic and surgical practice. Identifying the independent risk factors for PONV will allow physicians to optimize prophylactic, antiemetic regimens.

• The Korean Journal of Pain
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• v.9 no.2
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• pp.385-389
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• 1996

Background: Nowadays, epidural morphine is commonly used in postoperative pain control. But epidural morphine may produce some side-effects, e.g. pruritus, nausea, vomiting, urinary retention and respiratory depression. Especially, pruritus is the most common complaint in pain-controlled patients by epidural morphine. So we evaluated whether addition of epidural butorphanol affects the degree of pruritus and pain score in pain controlled patients who by epidural morphine after hysterectomy. Methods: Group 1(N=15) received postoperative epidural 0.1% bupivacaine 100ml plus morphine 10 mg, group 2(N=15) received the mixture of butorphanol 2 mg with same regime as in group 1, group 3(N=15) received the mixture of butorphanol 4 mg with same regime as in group 1. All of the three groups received these solutions by infusion pump, 1 ml/hour, for postoperative 4 days. all groups received additional morphine 1.2 mg in 0.2% bupivacaine 6ml epidurally when the peritoneum was closed under general anesthesia. The severity of pain, pruritus, nausea and vomiting was estimated by 10 cm VAS(visual analogue scale) and somnolence by positive or negative during postoperative 4 days. Results: Severity of pruritus, but not nausea and vomiting was decreased in group 2 and 3 compared with group 1(p<0.05). Pain score was increased in group 3 at postoperative day(POD) 0 and 2 compared with group 1(p<0.05). Incidence of somnolence in group 1, 2 and 3 were $2.7{\pm}0.7,\;5.3{\pm}0.7$ and $10.0{\pm}1.0$ respectively. Conclusion: These results suggest that butorphanol reduce the degree of pruritus, the most common side effect of morphine, but increase the incidence of somnolence.

• The Journal of Korean Medicine
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• v.17 no.2 s.32
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• pp.331-336
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• 1996

We have studied the effect of auricular acupuncture on postoperative nausea and vomiting (PONV). 100 female patients undergoing transabdominal hysterectomy were entered into the study. The patients were divided into two groups (auricular acupuncture treatment group and non-treatment group) to test the effectiveness of auricular acupuncture. acupuncture consisted of needle insertion in one ear at four points: sympathetic, stomach, shinmoon and occiput. Before the operation, the above points were punctured perpendicularly by the thumbtack-type needle, leaving its handle lying flat on the skin surface. There was no significant difference in age, weight, height and duration of anesthesia among the two groups of patients. There was a cignificant difference between the control group and auricular acupuncture treatment group in the incidence of vomiting at the first 12 h after surgery 68% and 30%, respectively, p<0.01) No noteworthy side effects fbom treatment were observed. auricular acupuncture is effective in reducing nausea and vomiting after transabdominal hysterectomy in female patients.

• The Journal of the Korea Contents Association
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• v.17 no.6
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• pp.632-642
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• 2017

The purpose of this study was to determine influence factors for predicting postoperative nausea and vomiting(PONV) for postoperative 24hr. Participants were 332 general surgery(GS), neurosurgery(NS), orthopedic surgery(OS), obstetrics and gynecology(OBGY), otorhinolaryngology (ENT) surgical patients at one hospital in G city. Data were collected from December 2014 to December 2015, and the data were analyzed by t-test, $x^2$-test and logistic regression analysis. Multivariate analysis revealed that non smoking (p=.011), history of motion sickness (p=.020), history of PONV (p=.001), post operative pain (p=.001) were influence factors for PONV. Preoperative intensive management of PONV is necessary if there is a history of non smoker, history of motion sickness and history of PONV before surgery, and postoperative pain should be actively intervened.

• Journal of Korean Biological Nursing Science
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• v.6 no.1
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• pp.43-52
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• 2004

Purpose : The purpose of this study was to find effects of early oral water intake on thirsty feeling, nausea, and vomiting after ambulatory surgery. Method : Sixty patients who received PET(Pressure Equalizing Tube) insertion surgery under general anesthesia were conveniently sampled and divided into two groups. Experimental group was instructed to drink water after two hours and control group was directed to intake water after three hours postoperatively. Data were collected from May 1, 2002 to August 31, 2002 at ambulatory surgery center of Asan Medical Center. The thirsty feeling, nausea and vomiting score between experimental and control group were compared at the time of recovery, recovering consciousness, 2hr, 3hr, right before discharge and/or 24hr(telephone interview) postoperatively. The collected data were analyzed by SPSS 8.0 statistic program. Result : Result of this study are as follows. 1) There was a statistically significant difference(t=-10.31, p=0.00) in the occurrence of thirsty feeling at the 3hr postoperatively between experimental and control groups. 2) There was a statistically significant difference($x^2=6.66$, p=0.02) in the incidence of nausea during the 2hr postoperatively between experimental and control groups. 3) There was no difference($x^2=0.35$, p=0.55) between groups in vomiting scores. Conclusion : It was generally known that the delay of oral water intake decreases post operative complications. But, this study shows that early oral water intake decreases discomfort of thirsty and there was no adverse effects on the occurrence of postoperative nausea and vomiting.

• Korean Journal of Adult Nursing
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• v.21 no.4
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• pp.379-390
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• 2009

Purpose: The study was done to investigate the effect of ethanol inhalation on postoperative nausea in patients using Patient Controlled Analgesia (PCA). Methods: The data were collected from June 1st 2006 to September 30th, 2007. The subjects were 70 patients who had had orthopedic surgery under general anesthesia. The levels of the Visual Analogue Scale (VAS) was used to measure postoperative nausea. The experimental group was given ethanol inhalation using ethanol pads and the control group received normal saline pads. All participants were instructed to take two deep sniffs with the pad one inch from the nose. This was repeated every five minutes for three doses. The collected data were analyzed using SPSS/WIN 12.0 program. Results: The study supported all hypotheses. "The experimental group given first dose of ethanol inhalation would have a lower level postoperative nausea compared to the control group"(t = -5.900, p = .000). "The experimental group given second doses of ethanol inhalation would have a lower level postoperative nausea compared to the control group"(t = -7.507, p = .000). "The experimental group given third doses of ethanol inhalation would have a lower level postoperative nausea compared to the control group"(t = -6.685, p = .000). Conclusion: According to these results, the ethanol inhalation can be considered an effective nursing intervention for relieving the postoperative nausea in patients using PCA.

• The Korean Journal of Pain
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• v.14 no.1
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• pp.76-82
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• 2001

Background: Postoperative nausea and vomiting (PONV) are common after general anesthesia and patient controlled analgesia (PCA) using opioids. This study was designed to compare the effectiveness of ondansetron plus dexamethasone versus ondansetron alone in the prevention of PONV in a patient undergoing a PCA. Methods: We studied 166 ASA I, and II in-patients undergoing general anaesthesia for major gynecological surgery. After induction of anesthesia, Group 1 (n = 64) received intravenous (IV) dexamethasone 10 mg and Group 2 (n = 102) received IV saline 2 ml before the surgical incision. Each patient received IV meperidine 50 mg as a loading dose. Meperidine 5 mg/kg, ketorolac 3.6 mg/kg and ondansetron 8 mg diluted in 40 ml solutions were connected to PCA pump for postoperative pain control. Mean arterial blood pressure, heart rate, pain score and symptom-therapy score were checked at 1, 4, 8, 16, 24, and 36 hours after the PCA connection. Results: For Group 1 and Group 2, respectively, the overall incidence of PONV was 12.5% and 23.5%. The pain scores were lower in patients receiving a combination of ondansetron and dexamethasone than those on ondansetron alone at 4 hr (P < 0.05), 8 hr (P < 0.05) and 16 hr (P < 0.05). Conclusions: This study suggests that the combination of ondansetron and dexamethasone is not more effective than ondansetron alone in the prevention of postoperative nausea and vomiting in women having PCA following major gynecological surgery but is more effective for pain control.

• The Korean Journal of Pain
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• v.34 no.4
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• pp.487-500
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• 2021

Background: Although the erector spinae plane block has been used in various truncal surgical procedures, its clinical benefits in patients undergoing spinal surgery remain controversial. The aim of this meta-analysis was to evaluate the clinical benefits of erector spinae plane block in patients undergoing spinal surgery. Methods: We searched the Cochrane Library, PubMed, EMBASE, and China National Knowledge Infrastructure for randomized controlled trials comparing the erector spinae plane block with a nonblocked control for spinal surgery. Results: Twelve studies encompassing 696 subjects were included in our systematic review and meta-analysis. We found that the erector spinae plane block decreased postoperative pain scores and opioid consumption in the postoperative and intraoperative periods. Moreover, it prolonged the time to the first rescue analgesic, reduced the number of patients who required rescue analgesia, and lowered the incidence of postoperative nausea and vomiting. However, it did not exhibit efficacy in decreasing the incidence of urinary retention and itching or shortening the length of hospital stays, or the time to first ambulation. Conclusions: Erector spinae plane block improves analgesic efficacy among patients undergoing spinal surgery compared with nonblocked controls; however, there is insufficient evidence regarding the benefits of erector spinae plane block for rapid recovery.

• The Korean Journal of Pain
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• v.9 no.1
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• pp.178-182
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• 1996

Background: To evaluate the effect of prophylactic transdermal scopolamine in reducing nausea associated with postoperative epidural morphine. Methods: 30 healthy patients scheduled for cesarean section were given local anesthetics epidurally for surgical anesthesia. After delivery of the baby, transdermal scopolamine patch($Kimite^{(R)}$ Myung Moon Pharm. Co., Seoul, Korea) was applied to the study group(n=15) and placebo patch to the control group(n=15). Postoperative analgesia was provided soley with epidural morphine. Nausea was treated with metoclopramide. Results: During 24 hours postoperatively, the mean nausea score was significantly lower in the study group than in the control group. But the nausea incidence was not significantly different between the two groups. The mean number of times antiemetic drugs which were administered to patients were lower in the study group than in the control group($1.5{\pm}0.5$ vs $3.3{\pm}1.3$, p<0.05). Conclusion: Transdermal scopolamine patch provides antiemetic effect simply, continuously and safely, preventing nausea which could occur during administration of epidural morphine after cesarean section.

• The Korean Journal of Pain
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• v.19 no.2
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• pp.187-191
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• 2006

Background: Patient-controlled epidural analgesia (PCEA), using a local anesthetic-opioid mixture, has been effectively applied after total knee replacement (TKR) surgery, which is associated with intense postoperative pain that requires postoperative analgesia for both rehabilitation and the pain itself. However, adverse opioid-related effects, such as nausea, vomiting and pruritus, are commonly encountered. It was our hypothesis that the adverse opioid-related effects could be reduced by the addition of naloxone, an opioid antagonist, to a mixture of fentanyl-ropivacaine PCEA. Methods: In 120 patients undergoing elective TKR surgery, epidural or combined spinal-epidural (CSE) anesthesia was performed and PCEA applied. In the control group (n = 65), 0.16% ropivacaine and $3{\mu}g/ml$ fentanyl ($2.4{\mu}g/ml$ for those older than 65 yrs) were administered. In the naloxone group (n = 55), naloxone ($2{\mu}g/ml$) was coadministered with the above regimen. The incidence and severity of postoperative nausea and vomiting, and the frequency of pruritus, the visual analog score (VAS) and the PCEA volume used were assessed 6 and 24 hrs after surgery. Results: The incidence of nausea and vomiting during the early postoperative period, and those of pruritus during the late postoperative period were significantly lower in the naloxone group. The VAS pain scores, the PCEA volume used and amount of rescue IV meperidine were similar in the two groups. Conclusions: A small dose of naloxone mixed with an opioid significantly reduces the incidence and severity of adverse opioid-related effects in PCEA, without reducing the analgesic effect.