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A Comparative Efficacy of Propacetamol and Ketorolac in Postoperative Patient Controlled Analgesia
( Bong Ha Heo ),( Ji Hun Park ),( Jung Il Choi ),( Woong Mo Kim ),( Hyoung Gon Lee ),( Soo Young Cho ),( Myoung Ha Yoon ) 대한통증학회 2015 The Korean Journal of Pain Vol.28 No.3
Background: Ketorolac has been used as a postoperative analgesia in combination with opioids. However, the use of ketorolac may produce serious side effects in vulnerable patients. Propacetamol is known to induce fewer side effects than ketorolac because it mainly affects the central nervous system. We compared the analgesic effects and patient satisfaction levels of each drug when combined with fentanyl patient-controlled analgesia (PCA). Methods: The patients were divided into two groups, each with n = 46. The patients in each group were given 60 mg of ketorolac or 2 g of propacetamol (mixed with fentanyl) for 10 minutes. The patients were then given 180 mg of ketorolac or 8 g of propacetamol (mixed with fentanyl and ramosetron) through PCA. We assessed the visual analogue pain scale (VAS) at the time point immediately before administration (baseline) and at 15, 30, and 60 minutes, and 24 hours after administration. Also, the side effects of each regimen and each patient`s degree of satisfaction were assessed. Results: There was a significant decline in the VAS score in both groups (P < 0.05). However, there were no significant differences in the VAS scores between the groups at each time point. Satisfaction scores between the groups showed no significant difference. Conclusions: The efficacy of propacetamol is comparable to that of ketorolac in postoperative PCA with fentanyl. (Korean J Pain 2015; 28: 203-209)
Heo, Bong Ha,Pyeon, Tae Hee,Lee, Hyung Gon,Kim, Woong Mo,Choi, Jeong Il,Yoon, Myung Ha The Korean Pain Society 2014 The Korean Journal of Pain Vol.27 No.2
Background: To manage intractable cancer pain, an alternative to systemic analgesics is neuraxial analgesia. In long-term treatment, intrathecal administration could provide a more satisfactory pain relief with lower doses of analgesics and fewer side-effects than that of epidural administration. However, implantable drug delivery systems using intrathecal pumps in Korea are very expensive. Considering cost-effectiveness, we performed epidural analgesia as an alternative to intrathecal analgesia. Methods: We retrospectively investigated the efficacy, side effects, and complications of epidural morphine and local anesthetic administration through epidural catheters connected to a subcutaneous injection port in 29 Korean terminal cancer patients. Patient demographic data, the duration of epidural administration, preoperative numerical pain rating scales (NRS), side effects and complications related to the epidural catheterization and the drugs, and the numerical pain rating scales on the 1st, 3rd, 7th and 30th postoperative days were determined from the medical records. Results: The average score for the numerical pain rating scales for the 29 patients decreased from $7{\pm}1.0$ at baseline to $3.6{\pm}1.4$ on postoperative day 1 (P < 0.001). A similar decrease in pain intensity was maintained for 30 days (P < 0.001). Nausea and vomiting were the most frequently reported side effects of the epidural analgesia and two patients (6.9%) experienced paresthesia. Conclusions: Epidural morphine and local anesthetic infusion with a subcutaneous pump seems to have an acceptable risk-benefit ratio and allows a high degree of autonomy to patients with cancer pain.
( Bong Ha Heo ),( Tae Hee Pyeon ),( Hyung Gon Lee ),( Woong Mo Kim ),( Jeong Il Choi ),( Myung Ha Yoon ) 대한통증학회 2014 The Korean Journal of Pain Vol.27 No.2
To manage intractable cancer pain, an alternative to systemic analgesics is neuraxial analgesia. In long-term treatment, intrathecal administration could provide a more satisfactory pain relief with lower doses of analgesics and fewer side-effects than that of epidural administration. However, implantable drug delivery systems using intrathecal pumps in Korea are very expensive. Considering cost-effectiveness, we performed epidural analgesia as an alternative to intrathecal analgesia. Methods: We retrospectively investigated the efficacy, side effects, and complications of epidural morphine and local anesthetic administration through epidural catheters connected to a subcutaneous injection port in 29 Korean terminal cancer patients. Patient demographic data, the duration of epidural administration, preoperative numerical pain rating scales (NRS), side effects and complications related to the epidural catheterization and the drugs, and the numerical pain rating scales on the 1st, 3rd, 7th and 30th postoperative days were deter-mined from the medical records. Results: The average score for the numerical pain rating scales for the 29 patients decreased from 7 ± 1.0 at baseline to 3.6 ± 1.4 on postoperative day 1 (P <0.001). A similar decrease in pain intensity was maintained for 30 days (P <0.001). Nausea and vomiting were the most frequently reported side effects of the epidural analgesia and two patients (6.9%) experienced paresthesia. Conclusions: Epidural morphine and local anesthetic infusion with a subcutaneous pump seems to have an acceptable risk-benefit ratio and allows a high degree of autonomy to patients with cancer pain. (Korean J Pain 2014; 27: 139-144)
Propofol과 Remifentanil을 이용한 목표농도조절 주입 전정맥마취에서 이중관 기관내관 삽관 시 혈역학적 반응을 억제하는 Remifentanil의 효과처 농도
허봉하 ( Bong Ha Heo ),윤명하 ( Myung Ha Yoon ),이형곤 ( Hyung Gon Lee ),김웅모 ( Woong Mo Kim ) 대한마취과학회 2009 Korean Journal of Anesthesiology Vol.57 No.1
Background: This study was undertaken to determine the effect-site concentration of remifentanil for blunting hemodynamic responses to double lumen endobronchial intubation during target controlled infusion (TCI)-total intravenous anesthesia (TIVA) using 4.0 μg/ml of propofol with remifentanil. Methods: Sixty patients (American society of anesthesiologists physical status classification 1 or 2) were randomly allocated according to the target effect-site concentration of remifentanil (R3.0: remifentanil 3.0 ng/ml; R3.5: remifentanil 3.5 ng/ml; R4.0: remifentanil 4.0 ng/ml). The effect-site concentration of propofol at loss of consciousness was recorded. Mean arterial pressure (MAP), heart rate (HR) and bispectral index (BIS) were recorded at just before remifentanil administration (baseline), at the time of target effect site concentration of remifentanil and propofol, at just before intubation and 1, 2, 3 min after intubation. Results: MAP was significantly increased compared with baseline at 1, 2 min after intubation in R3.0, but was significantly decreased in R4.0. MAP of R3.5 was not different from the baseline after intubation. HR was significantly decreased compared with baseline at the time of target effect site concentration of propofol and immediate before intubation in R3.5 and R4.0. After intubation, HR was significantly increased compared with baseline at only 1 min after intubation and returned to the baseline in R3.0. However, HR was continuously decreased in R4.0. Conclusions: These findings suggest that effective target effect-site concentration of remifentanil for blunting hemodynamic responses to double lumen endotracheal intubation was 3.5 ng/ml during TCI-TIVA using 4.0 μg/ml of propofol with remifentanil. (Korean J Anesthesiol 2009; 57: 8~12)
Heo, Tae-Hoon,Park, Jae-Ha,Ahn, Bong-Young,Cho, Seung-Hyun The Korean Society for Nondestructive Testing 2011 한국비파괴검사학회지 Vol.31 No.3
The on-line monitoring for the wall thinning in secondary system has been considered one of main issues for the safety of nuclear power plants. To establish the on-line monitoring technique for the pipe wall thinning, the development of the ultrasonic transducer working in high-temperature is very important. In this investigation, the magnetostrictive transducer is concerned for high temperature condition up to $300^{\circ}C$. The magnetostrictive transducer has many advantages such as high working temperature, durability, cost-effectiveness, and shear waves, most of all. A thin Fe-Co alloy patch whose Curie temperature is over $900^{\circ}C$ was employed as a ferromagnetic material for magnetostriction. Wave transduction experiments in various temperature were carried out and the effect of bias magnets was considered together with the dry coupling performance of the transducer. From experimental results, consequently, it was found that the magnetostrictive transducer works stable even in high temperature up to $300^{\circ}C$ and can be a promising method for the on-line monitoring of the wall thinning in nuclear power plants.
내관 자침 시 염전 횟수가 심박 변이도에 미치는 영향: 예비연구
이봉효 ( Bong Hyo Lee ),정재환 ( Jae Hwan Chung ),손지국 ( Ji Gook Son ),허정현 ( Jeong Hyeon Heo ),박지하 ( Ji Ha Park ),김희영 ( Hee Young Kim ),이상남 ( Sang Nam Lee ),이영준 ( Young Joon Lee ),김미려 ( Mi Ryeo Kim ),임성철 ( S 경락경혈학회 2013 Korean Journal of Acupuncture Vol.30 No.2
Objectives: In the acupuncture treatment of Korean Medicine, the Tonifying or Purging depending on how many times the needle is rotated has been used widely. However, there is little evidence about the optimal number of rotation. This study, therefore, was aimed to investigate the optimal number of rotation. Methods: Heart rate variation was measured before and after exercise in 20 healthy adults. Acupuncture was performed at PC6 immediately after exercise according to the protocol of each group without remaining. Pre-exercise and post-exercise measurements were compared and the rotation number that produced statistically significant difference was investigated. Results: Significant differences were found in the heart rate variation and R-R interval Average, between non-rotation group (control) and both of 15 times rotation group of tonifying and 6 times rotation group of purging. Conclusions: Significantly effective number of rotation in the effect of PC6 on the HR and RRAv was 15 times in the tonifying and 6 in the purging respectively.
Shin, Bong-Cheol,Ha, Seok-Jae,Cho, Myeong-Woo,Seo, Tae-Il,Yoon, Gil-Sang,Heo, Young-Moo 대한기계학회 2010 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.24 No.1
In this study, a useful indirect cutting force measurement method using an acceleration sensor and current hall sensors is proposed. A series of experiments was performed on a precise micro machining stage with a high-speed spindle. A three-axis acceleration sensor was installed on the spindle head, and current hall sensors were connected to the motor current inlet cables. From the results obtained, the correlations of the tool teeth rotation and current amplitude showed a linearity of 92.0% precision for hall sensor signals, and 98.0% precision for acceleration sensor signals. Even though the results using the acceleration sensor showed better linearity than those of the current hall sensors, the signals can be easily affected by chattering, spindle vibration, and other external disturbances. From this perspective, the current hall sensor can provide more robust results.