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Hye-Jin Kim,Hae-Ji Yang,Sun-Hyong Kim,Dan-A Kim,Seong-Ju Kim,Han-na Park,Jin-Sook Ju,Dong-Kuk Ahn 대한구강생물학회 2016 International Journal of Oral Biology Vol.41 No.4
The present study was to evaluate effects of vitamin E on intravenous administration of lidocaine-induced antinociception. Experiments were carried out using male Sprague-Dawley rats. Orofacial formalin-induced nociceptive behavioral responses were used as the orofacial animal pain model. Subcutaneous injection of formalin produced significant nociceptive scratching behavior. Intraperitoneal injection of 5 and 10 mg/kg of lidocaine attenuated formalin-induced nociceptive behavior in the 2nd phase, compared to the vehicle-treated group. Intraperitoneal injection of 1 g/kg of vitamin E also attenuated the formalin-induced nociceptive behavior in the 2nd phase, compared to the vehicle-treated group. However, low dose of vitamin E (0.5 g/kg) did not affect the nociceptive behavioral responses produced by subcutaneous injection of formalin. The present study also investigated effects of intraperitoneal injection of both vitamin E and lidocaine on orofacial formalin-induced behavioral responses. Vehicle treatment affected neither formalin-induced behavioral responses nor lidocaineinduced antinociceptive effects. However, intraperitoneal injection of 0.5 g/kg of vitamin E enhanced the lidocaineinduced antinociceptive effects in the 2nd phase compared to the vehicle-treated group. Intraperitoneal injection of naloxone, an opioid receptor antagonist, did not affect antinociception produced by intraperitoneal injections of both vitamin E and lidocaine. These results suggest that treatment with vitamin E enhances the systemic treatment with lidocaine-induced antinociception and reduces side effects when systemically treated with lidocaine. Therefore, the combined treatment with vitamin E and lidocaine is a potential therapeutic for chronic orofacial pain.
Kim, Johanna Inhyang,Kang, Yun-Hyong,Lee, Jong-Min,Cha, Jungho,Park, Yeong-Hun,Kweon, Kuk-Ju,Kim, Bung-Nyun Elsevier 2018 Progress in neuro-psychopharmacology & biological Vol.86 No.-
<P><B>Abstract</B></P> <P>The purpose of this study was to investigate the neural correlates of cognitive-behavioral therapy (CBT) for externalizing behavior problems in perpetrators of school bullying using assessments of brain activity and behavior. Twenty-five adolescent bullies participated in an 8-session intervention. Prior to and after participation, 24 adolescents were evaluated using the Child Behavior Checklist (CBCL) and 23 completed resting-state functional magnetic resonance imaging. Changes in the fractional amplitude of low-frequency fluctuations (fALFF) and scores on the CBCL were analyzed. We also compared the identified changes into 2 groups (low and high delinquency) differentiated by a cutoff of 65 points on the delinquency subscale of the CBCL. Following the intervention, participants exhibited improvement in the subscores of the CBCL and decreases in the fALFF of the inferior parietal lobule, lingual, interior frontal and middle occipital gyrus. A positive correlation was observed between changes in the CBCL externalizing behavior scores and fALFF of the inferior frontal gyrus. The high delinquency group showed a greater decrease in delinquency and externalizing CBCL subscores across time than did the low delinquency group. The high delinquency group had more areas that showed change in fALFF post-intervention than did the low delinquency group. A positive correlation was observed between changes in the CBCL delinquency scores and fALFF of the precentral gyrus in the high delinquency group. The results indicate that this CBT for externalizing behavior problems in bullies had more positive effects on delinquent behavior in adolescents with high levels of delinquency, and these changes were associated with functional changes in brain activity.</P> <P>Trial registration: ClinicalTrials.gov identifier: NCT02670876 </P> <P><B>Highlights</B></P> <P> <UL> <LI> School bullying is a universal phenomenon that has significant negative effects on mental health for both the perpetrator and victim. </LI> <LI> We conducted cognitive-behavioral therapy targeting cognitive distortions related to externalizing problems commonly found in bullies. </LI> <LI> The purpose of this study was to investigate the effects and neural correlates of this intervention on externalizing problems. </LI> <LI> We found a positive effect on externalizing problems and this was associated with changes in spontaneous neural activity in related brain regions. </LI> <LI> Further studies that include large homogeneous samples and well-controlled designs are warranted. </LI> </UL> </P>
Optimal anesthetic regimen for ambulatory laser microlaryngeal surgery
Huh, Hyub,Park, Seol Ju,Lim, Hyong Hwan,Jung, Kwang Yoon,Baek, Seung‐,Kuk,Yoon, Seung Zhoo,Lee, Hye Won,Lim, Hye Ja,Cho, Jang Eun Wiley (John WileySons) 2017 The Laryngoscope Vol.127 No.5
<P>Level of Evidence1b Laryngoscope, 127:1135-1139, 2017</P>
In-Situ-Template-Interface Reaction (ISTIR)법에 의한 CdSe 중공 입자의 형성
최문희,이윤복,김형국,임영목,김진천,김영석,김양도,Choi Moon-Hee,Lee Yoon-Bok,Kim Hyong-Kuk,Rhyim Young-Mok,Kim Jin-Chun,Kim Young-Seok,Kim Yang-Do 한국분말야금학회 2005 한국분말재료학회지 (KPMI) Vol.12 No.4
CdSe hollow sphere with average size of about 30-50 nm was synthesized from the mixed solution of cadmium chloride $(CdCl_2)$, sodium selenosulfate $(Na_2SeSO_3)$ and ethylenediamine(EDA, $H_2NCH_2CH_2NH_2$) at room temperature. The molar ratio of EDA to $Cd^{2+}$ showed the most significant effect on the morphology of CdSe hollow sphere. This paper will present and discuss the possible formation mechanism of CdSe hollow sphere based on the observation of morphological changes.
고관절 반 치환술의 대퇴 골절 예방을 위한 강선 고정의 효과
유정한 ( Jeong Han Yoo ),박용욱 ( Yong Wook Park ),박진수 ( Jin Soo Park ),노규철 ( Kyu Cheol Rowe ),정국진 ( Kuk Jin Chung ),김홍균 ( Hong Kyun Kim ),김형년 ( Hyong Nyun Kim ),임희준 ( Hee Joon Lim ),이철 ( Cheol Lee ),황지효 ( 대한고관절학회 2009 Hip and Pelvis Vol.21 No.2
목적: 무시멘트형 양극성 반 인공 관절 치환술에 있어서 수술 도중 발생하는 대퇴 골절 예방을 위한 예방적 강선 고정술의 효과를 분석하고자 한다. 대상 및 방법: 2004년 1월부터 2008년 8월까지 무시멘트형 양극 인공 관절 치환술을 받은 65세 이상의 환자 48명(1군)을 대상으로 하여 강선을 사용하지 않은 48명의 환자(2군)와 비교하였다. 평균 나이는 75.4세(1), 73.6세(2)이었고 평균 추시 기간은 19.1개월(1), 18.3개월(2)이었다. 수술 도중 골절 발생율 외에 수술 시간, 수술 도중 예상 출혈량, 입원 기간, 방사선학적 안정성을 측정하였고 임상적 평가를 위한 대퇴 통증과 Jensen의 기능 점수와 Parker와 Palmer의 활동 점수를 비교하였다. 결과: 1군에서는 수술 도중 골절이 발생하지 않았으며 2군에서 4예(8.3%)가 발생하였다(p=0.041). 수술 시간은 각각 172분(1), 162분(2) 예상 출혈량은 866 cc(1), 855 cc(2), 입원기간 36일(1), 35일(2)이었다. 방사선학적으로 침강은 1.59 mm(1), 1.67 mm(2)이었으며 임상적으로 대퇴 통증이 1예(1), 2예(2) 관찰되었다. 임상적으로 Jensen의 기능 점수는 평균 2점(1) 2.2점(2), Parke와 Palmer의 활동 점수는 평균 5.2점(1), 5.3점 (2)이었다. 결론: 무시멘트형 인공 관절 치환술에 있어서 예방적 강선 고정술은 골절률을 의의있게 감소시켰다. Purpose: The purpose of this study was to assess the effect of a prophylactic cable fixation for prevention of femoral fractures in cementless bipolar hemiarthoplasties. Materials and Methods: Forty-eight cementless bipolar hemiarthroplasties with prophylactic cable fixations on the femur were performed in patients>65 years of age between January 2004 and August 2008 (group 1). The control group which did not undergo prophylactic cable fixation included 48 cases (group 2). The mean age was 75.4 years (group 1) and 73.6 years (group 2). The patients were followed up for an average of 19.1 (group 1) and 18.3 months (group 2). The intra-operative fracture rates were compared. Additionally, operative time, estimated blood loss (EBL), and length of hospital stay were compared. Radiologic assessment for stem stability was performed. Clinical assessment was evaluated by the thigh pain and Jensen`s functional score, and Parker & Palmer`s mobility score. Results: There was no fractures in the cabled group (1), and 4 fractures (8.3%) in the control group (2; p=0.041). The mean operative time was 172 minutes (1) and 162 minutes (2), the EBL was 866 cc (1) and 855 cc (2), and the duration of admission was 36 (1) and 35 days (2), respectively. Radiologically, subsidence was 1.59 mm (1) and 1.67 mm (2). Clinically, one (1) and two (2) thigh pains were recorded and the functional score of Jensen was 2 (1) and 2.2 points (2), and the mobility score of Parker and Palmer was 5.2 (1) and 5.3 points (2), respectively. Conclusion: Prophylactic cable fixation is effective for reducing intra-operative femoral fractures.
Synthesis of Nickel Powders by the Reduction of Hydrazine from Diethanolamine Solution
Kim, Yang Do,Choi, Eun Young,Lee, Yoon Bok,Kim, Young Seok,Kim, Hyong Kuk,Kim, Kwang Ho Trans Tech Publications, Ltd. 2006 Materials science forum Vol.510 No.-
<P>Nickel powders were synthesized by the reduction of hydrazine of nickel salts from diethanolamine (DEA) solution, and the morphological characteristics of nickel powders were investigated with various process conditions such as the addition of hydrazine, reaction temperature, the composition of mixed solvents. The addition of hydrazine in DEA solution largely affected the size control of nickel powders. Under N2H4/Ni2+molar ratio= 1.5 and 2.0 conditions, spherical nickel powders in the submicron range were obtained owing to higher the reduction rate. An increase of temperature increased the size of nickel particles. At 220°C for 40min, the nickel powders were composed of polyhedral particles with a high crystalline in the submicron range. The mixed volume ratio of TEA to DEA solvent improved the inhibition of agglomerate between particles.</P>