• 한방재활의학과학회지
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• 제30권2호
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• pp.77-93
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• 2020

Objectives This study was conducted to investigate randomized controlled trial studies about clinical treatment of traditional Chinese medicine for chondromalacia patellae. Methods We searched randomized controlled trial studies about traditional Chinese medicine treatment for chondromalacia patella through China National Knowledge Infrastructure (CNKI). 27 articles published from 2015-2019 were finally chosen and analyzed by published year, number of samples, evaluation criteria, treatment duration, treatment method. Results Various treatments such as acupuncture therapy, herbal medicine, moxibustion therapy, manipulation, external treatment were practiced in China. Most of them were combined with western medicine or injection, rehabilitation therapy. Conclusions There were diverse studies about traditional Chinese medical treatment for chondromalacia patellae in China. In Korea, more clinical research about chondromalacia patellae is still needed. This study will be helpful for future research on Korean medicine for chondromalacia patellae.

• 대한두개안면성형외과학회지
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• 제17권2호
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• pp.63-67
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• 2016

Background: The subciliary approach is commonly used for reconstruction of orbital wall or zygomaticomaxillary fractures. However, this approach is associated with postoperative complications, especially lower eyelid malposition. We report the experience of managing postoperative lower eyelid malposition with triamcinolone acetonide. Methods: A retrospective review was performed for all traumatic facial fractures requiring surgery via the subciliary approach at Chosun University Hospital in 2014. For each patient meeting inclusion criteria, the medical chart was reviewed for demographic information and postoperative course, including the presence of postoperative eyelid malposition or scleral show. Results: The review identified 189 cases in which the subciliary approach was used, and postoperative lower eyelid malposition was found in 7 cases (3.7%). For these 7 patients, the mean therapeutic period (interval to correction of the malposition) was 10.5 weeks (range, 8 to 14 weeks). On average, patients received 3 injections of triamcinolone. In all cases, degrees of the malposition were improved, and none of the patients required an operative intervention to correct the malposition. Conclusion: Triamcinolone injection is an appropriate treatment modality for lower eyelid malposition after subciliary approach. Treatment duration is relatively short, requiring fewer than 4 outpatient clinic visits, with relatively earlier recovery compared to conservative "wait-and-see" management.

• Journal of Ginseng Research
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• 제29권4호
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• pp.176-181
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• 2005

Our previous reports demonstrated that ip. administration of Korean red ginseng acidic polysaccharide (RGAP) exerts antitumor activity In mice. The present study was carried out to compare the effects of ip. and p.o. routes of administration of RGAP on either normal or tumor-bearing BALB/c mice. RGAP was administered either ip. or p.o. at doses of 100, 300, 500, 1000 mg/kg for 1 or 5 weeks. Peritoneal macrophages from mice treated with RGAP p.o. at a dose of 300 mg/kg either for 1 or 5 weeks did not exhibit growth inhibition activity toward WEHI-I64 tumor cells. However, administration of RGAP at a dose of 600 mg/kg for both 1 and 5 weeks increased the antitumor activity of macrophages. Oral administration of RGAP (600 mg/kg) for 5 weeks and ip. administration of RGAP (300 mg/kg) for 1 week resulted in antitumor activities of $40\%$ and $45\%$, respectively, indicating that the effect of i.p. injection is more potent 2 and 5 times than that of p.o. one in terms of dose and duration, respectively. Tumor inhibition rates of RGAP at doses of 300, 500, 1000 mg/kg in mice transplanted with B16-F10 melanoma were 4.4, 12.0, and $45.4\%$, respectively, meaning that p.o. dose higher than 500 mg/kg possess marked antitumor activity. The results above suggests that p.o. administration of RGAP also show antitumor activity in vivo depending on the dose.

• Clinical and Experimental Reproductive Medicine
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• 제26권1호
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• pp.31-41
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• 1999

To evaluate the effectiveness of intrauterine insemination (IUI) in the treatment of infertility, timed-intercourse and intrauterine insemination by husband in stimulated cycles with clomiphene citrate and gonadotropins were compared in a total of 105 cycles. Patients received 100mg of clomiphene citrate daily for 5 days starting on day 3 of the menstrual cycle followed by hMG or FSH. Doses of exogenous gonadotropins were adjusted by the follicular development and concentrations of serum estradiol $(E_2)$. More than 3 follicles reaching >16 mm were present in the ovary, 5,000 IU of hCG was administered intramusculary. Patients received a maximum of three intercourse or IUI cycles for the treatment. Severe male (<$10{\times}10^6$ motile sperm) or age factor (>39 y) patients were excluded in this study. Pregnancy was classified as clinical if a gestational sac or fetal cardiac activity was seen on ultrasound. The overall clinical pregnancy rates were 17.1% per cycle (18/105) and 21.2% per patient (18/85). The pregnancy rates (per cycle) were 17.5% (11/63) in intercourse and 16.7% (7/42) in IUI groups, respectively. IUI had no significant improvement in pregnancy rate compared with timed-intercourse. The multiple pregnancy rates were 11.1% (1 twin and 1 triplet). No patient developed ovarian hyperstimulation. Abortion rate was 28.6% (2/7) in IUI group only. The delivery and ongoing pregnancy rates were 15.2% per cycle (16/105) and 18.8% per patient (16/85). There were no differences in age, duration of infertility, follicle size and level of estradiol $(E_2)$ on the day of hCG injection in pregnant and non-pregnant groups. However, total doses of gonadotropins were higher in pregnant group than in non-pregnant group (p<0.01). Pregnancy rate was not affected by ovulatory status at the time of insemination. These results indicate that well timed-intercourse in stimulated cycles is as effective as IUI for infertile couples.

• Clinical and Experimental Reproductive Medicine
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• 제26권3호
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• pp.433-440
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• 1999

Objective: To evaluate the effectiveness of CC+FSH or CC+hMG in intrauterine insemination (IUI) cycles for the treatment of infertility. Method: Patients received daily 100 mg of clomiphene citrate (CC) for 5 days followed by hMG or FSH. A single IUI was performed at 36 h after hCG. Clinical pregnancy was classified if a gestational sac or fetal cardiac activity was seen on ultrasound. Results: The overall clinical pregnancy rate was 19.1% per cycle (17/89) and 21.5% per patient (17/79). More clinical pregnancies were recorded in CC+FSH (23.1%, 6/26) than CC+ hMG cycles (17.5%, 11/63), but this difference was not statistically significant. No differences were found in age, duration of infertility, follicle size, levels of estradiol ($E_2$) on the day of hCG injection and total motile sperm counts between pregnant and non-pregnant groups. However, more ampules of gonadotropins were used in pregnant group than non-pregnant group (p<0.05). Conclusion: Combination of CC and hMG may economically be more effective to induce ovulation for IUI compared to CC and FSH.

• Journal of Radiation Protection and Research
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• 제28권2호
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• pp.127-135
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• 2003

The primary contributors to the total occupational radiation exposure in operating nuclear power plants are operation and maintenance activities doting refueling outages. The Advanced Power Reactor 1400 (APR1400) includes a number of design improvements and plans to utilize advanced maintenance methods and robotics to minimize the annual collective dose. The major radiation exposure reduction features implemented in APR1400 are a permanent refueling pool seal, quick opening transfer tube blind flange, improved hydrogen peroxide injection at shutdown, improved permanent steam generator work platforms, and more effective temporary shielding. The estimated average annual occupational radiation exposure for APR1400 based on the reference plant experience and an engineering judgment is determined to be in the order of 0.4 man-Sv, which is well within the design goal of 1 man-Sv. The basis of this average annual occupational radiation exposure estimation is an eighteen (18) month fuel cycle with maintenance performed to steam generators and reactor coolant pumps during refueling outage. The outage duration is assumed to be 28 days. The outage work is to be performed on a 24 hour per day basis, seven (7) days a week with overlapping twelve (12) hour work shifts. The occupational radiation exposure for APR1400 is also determined by an alternate method which consists of estimating radiation exposures expected for the major activities during the refueling outage. The major outage activities that cause the majority of the total radiation exposure during refueling outage such as fuel handling, reactor coolant pump maintenance, steam generator inspection and maintenance, reactor vessel head area maintenance, decontamination, and ICI & instrumentation maintenance activities are evaluated at a task level. The calculated value using this method is in close agreement with the value of 0.4 man-Sv, that has been determined based on the experience aid engineering judgement. Therefore, with the As Low As Reasonably Achievable (ALARA) advanced design features incorporated in the design, APR1400 design is to meet its design goal with sufficient margin, that is, more than a factor of two (2), if operated on art eighteen (18) month fuel cycle.

• 대한치과마취과학회지
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• 제11권2호
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• pp.125-132
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• 2011

Background: Adult patients with intellectual disabilities often strongly resist the anesthetic administration for dental procedures. This study aimed to evaluate the effect of midazolam premedication in improving the cooperation level of patients who are likely to be combative and irritated during general anesthesia (GA) induction. Methods: The patients who had received dental treatment under ambulatory GA for more than two times were included. And we selected 13 patients total that needed physical restraint or ketamine IM prior to induction at the first GA, and were prescribed midazolam tablet (7.5-15 mg) at the following GA. We reviewed pre-anesthetic records and anesthesia records, and evaluated cooperative levels of patients (4 levels scale) during anesthesia induction and recovery time retrospectively. Results: All 13 patients (Male 11, Female 2) had severe mental disabilities. The average age of the patients was 24 ${\pm}$ 7 (13-37) years and their average weight was 58 ${\pm}$ 16 (34-91) kg. At the first GA, 10 patients needed physical restraint prior to induction (level 3). And 3 patients were so poorly cooperative that the induction procedure was performed after intramuscular injection of ketamine (level 4). But after the midazolam intake, 7 patients were willing to receive the anesthetic induction (level 1, 2), and 6 patient needed physical restraint (P < 0.05). There were no statistical differences in the duration of general anesthesia and postoperative recovery. Conclusions: Oral intake of midazolam was effective in improvement of cooperation without any complications.

• Journal of Dental Anesthesia and Pain Medicine
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• 제20권5호
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• pp.271-279
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• 2020

Background: The present study aimed to evaluate and compare the efficacy of buffered and unbuffered local anesthesia solutions during inferior alveolar nerve block (IANB) administration in children. Methods: PubMed, Ovid SP, and Cochrane databases were searched separately by two independent reviewers for potential papers published between 1980 and April 2020 using relevant MeSH terms and pre-specified inclusion and exclusion criteria. T Studies of IANB administration in children comparing buffered and unbuffered local anesthesia solutions were evaluated. The primary outcome evaluated was pain (perception and reaction), while the secondary outcome was the onset of anesthesia. Results: A total of five articles were included in a qualitative analysis; among them, four qualified for quantitative analysis of the primary outcome and three for quantitative analysis of the secondary outcome. A fixed-effects model was used to perform the meta-analysis. Pain perception (child-reported pain): Significantly lower pain scores were reported with buffered local anesthesia solution than with unbuffered solution (P = 0.006, MD: -0.32, 95% CI: -0.55 to -0.09). Pain reaction (observer-reported pain reaction in child): No significant difference was found between buffered and unbuffered solution in terms of observer-reported pain behavior in the child (P = 0.09, MD: -0.21, 95% CI: -0.46 to 0.04). Onset of anesthesia: A significantly lower duration of anesthesia onset was reported with buffered local anesthesia solution than with unbuffered solution (P = 0.00001, MD: -12.38, 95% CI: -17.64 to -7.13]. Conclusion: Buffering local anesthesia solution may reduce discomfort due to IANB injection administration and lower the initial onset time of anesthesia. More randomized control trials with adequate sample sizes should be carried out to validate the accuracy of these results.

• 한국한의학연구원논문집
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• 제17권3호
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• pp.105-114
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• 2011

Objectives : The transient inflammation has been demonstrated to alter visceral motor response (VMR) and acute mucosal inflammation may precede the manifestation of visceral hyperalgesia in animal models. The purpose of our study is to compare effects of the different frequencies applied electroacupuncture (EA) on acupoints in acute colitis induced by trinitrobenzenesulphonic acid (TNBS). Methods : In Male Sprague-Dawley rats, weighing 250~400g, a single colorectal administration of TNBS (5mg/kg) was made and electrode for electromyography (EMG) recording were stitched into the external oblique musculature. EA of either ST25 or ST36 were applied and stimulation parameter was modulated as follows: 2, 10, or 100 Hz with intensity of 2 mA and 1 ms pulse duration for 30 min. The balloon was inserted intra-anally and VMR to colorectal distension (CRD) was quantified with an EMG recording system. Results : The VMR increased significantly 3 days after TNBS intra-rectal colonic injection in rats. Both 2 Hz and 10 Hz EA on ST36 suppressed VMR to CRD in the acute colitis model but not 100 Hz. Only 10 Hz EA on ST25 suppressed VMR to CRD in the acute colitis. Conclusions : These data show that 10 Hz EA potently inhibits hypersensitivity of colorectum after TNBS induced colitis.

• The Korean Journal of Pain
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• 제20권1호
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• pp.40-45
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• 2007

Background: Caudal block is useful when anesthesia for surgery or treatment for chronic pain is needed, but this procedure has a failure rate of up to 25% even when it performed byan experienced physician. This high failure rate is usually due to improper needle placement. Methods: After gaining approval of the ethics committee, 46 patients received caudal blocks under ultrasound guidance; these were performed after the anatomical structures in the sacral hiatus had been measured with ultrasound. All these procedures were performed by the same anesthesiologist. The position and direction of the needle were identified using fluoroscopy by injecting a radio-opaque contrast through the needle. The time taken from thelidocaine injection to verification of the needle was measured and the planned nerve block was then carried out. Results: All cases of needle insertion into the sacral canal under ultrasound guidance were successful. The average duration of the procedure and the trial count were $134.1{\pm}10.1seconds$ and $1.2{\pm}0.1$, respectively. In 12 of the 46 cases (26%), the needle deviated either left or right in the sacral canal, so the direction of the needle had to be adjusted. The distance between two cornua, the depth of the sacral hiatus and the thickness and length of the sacrococcygeal ligament were $17.1{\pm}0.4$, $3.9{\pm}0.3$, $2.3{\pm}0.1$ and $24.9{\pm}0.9mm$, respectively. Conclusions: Ultrasound guidance can increase the success rate of inserting a needle into the sacral canal. However, even when ultrasound is used, the needle can deviate either left or right in the sacral canal.