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Lee, Gun Sang,Lee, Myung Ki,Kim, Woo Jae,Kim, Ho Sang,Kim, Jeong Ho,Kim, Yun-Suk The Korean Neurosurgical Society 2017 Journal of Korean neurosurgical society Vol.60 No.1
Objective : We assessed the surgical results of bipolar release in 31 adult patients with uncorrected congenital muscular torticollis (CMT) and more than 12 months of follow-up. Methods : Thirty-one patients underwent a bipolar release of the sternocleidomastoid muscle (SCM) and were retrospectively analyzed. The mean follow-up period was 14.9 months (range, 12-30). The mean age at time of surgery was 30.3 years (range, 20-54). Patients were evaluated with a modified Lee's scoring system, cervicomandibular angle (CMA) measurement, and a global satisfaction rating scale using patient self-reporting. Results : The modified Lee's scoring system indicated excellent results in 4 (12.9%) patients, good in 18 (58.1%), and fair in 9 (29.0%) at the last follow-up after surgery. The improvements in neck movement and head tilt were statistically significant (p<0.05). The preoperative mean CMA was $15.4^{\circ}$ (range, 5.4-29.0), which was reduced to a mean of CMA of $6.3^{\circ}$ (range, 0-25) after surgery (p<0.05). The global satisfaction rating scale was 93.7% (range, 90-100). A transient sensory deficit on the ipsilateral lower ear lobe was noted in three cases. No significant permanent complications occurred. Conclusion : Bipolar release of the SCM is a safe and reliable technique for the treatment of CMT in adults.
이윤형(Yun-Hyung Lee),안종갑(Jong-Kap Ahn),소명옥(Myung-Ok So),이준탁(Jun-Tack Lee) 한국마린엔지니어링학회 2007 한국마린엔지니어링학회 학술대회 논문집 Vol.2007 No.-
A simple tuning methods of PI, PD and PID controller are proposed for an integrating process with time delay. This is based on matching the coefficients of corresponding powers of s in the numerator and that in the denominator of the closed-loop transfer function. For set-point tracking problem, the derived controller is found to be a PD controller which is shown by Lee's tuning rule based on minimizing the performance indexes (lSE, IAE, ITAE) using a real-coded genetic algorithm. A method can be also proposed PI, PID controllers according to tuning parameter lambda (A) similar to IMC method. Simulation example is given to illustrate the set-point tracking performance of the proposed method.
강신몽,이원태,고영창,최상규,김윤희,이홍석,서재관,윤중진,이혜경,최득린,김종열,윤창육,변명식,이장홍 大韓法醫學會 1991 대한법의학회지 Vol.15 No.2
Individual identification is an important part in medicolegal field especially in mass disaster. At July, 27, 1989, KAL KE-803 was crashed on landing at Tripoli International Airport, Liba. The plane was caught in fire and sixty eight Koreans were sacrified. The majority of victims were severely charred and injured. The authors examed all dead bodies and successfully identified all the cases through visual, anthropological, odontological, radiological and pathological methods including fingerprint and blood typing.
이상윤,김명현 경희대학교 레이저공학연구소 2000 레이저공학 Vol.11 No.-
In this study, approximate calculation code system for space radiation shielding for LEO satellite was developed by revision on codes CHARGE, SHELLIG and RADBELT predict space radiation spectrum at the specified satellite orbit. This calculation system was verified by LCS(LAHET Code System) and SPACE_RADIATION. As a result of verification, it was found that SHELLIG-RADBELT-CHARGE system is suitable for space radiation shielding calculation. However it was found that modification and improvement were needed in proton cross section evaluation and secondary particle analysis. For an improvement is neutron transport calculation, a approximate calculation model, CHARGE-ANISN, was developed. The transport of secondary neutron produced by protons was performed by ANISN code. It was known that original CHARGE code has over-estimated in neutron dose calculation.
이영창,유명희,윤석기,변동원,서교일,김극배 순천향의학연구소 1998 Journal of Soonchunhyang Medical Science Vol.4 No.2
연구 배경 : 그레이브스 병에 대한 항갑상선제 치료후 적절한 치료 여부 평가 및 재발 위험성을 예측하기 위하여 여러 가지 예후 판정 인자들이 연구되어 왔으며, 이러한 인자들 중 TRH(thyrotropin-releasing hormone) 자극 시험이 가장 믿을 만한 검사중에 하나로 알려져 있다. 그러나 TRH 자극 검사가 정상으로 나와도 재발하는 경우가 많으며, 현재로는 이러한 경우에 재발을 예측하는 예후 인자에 대한 연구는 전무한 실정이다. 금번 연구에서는 TRH 자극 시험 후 TSH(thyroid stimulating hormone)가 정상적인 반응을 보인 환자를 대상으로 재발 및 관해여부를 예측할 수 있는 인자들을 찾고자 하였다. 대상 및 방법 : 항갑상선제제 치료 종료후 TRH 자극 시험을 시행하였던 그레이브스 병 환자 총 84명 중, 정상적인 TSH 반응을 보이면서 1년 이상 추적 관찰이 가능하였던 32명의 환자를 대상으로 하였다. 처음 진단 시와 치료 종료 시에 T3(triiodothyronine), T4(thyroxine), T3/T4 비, TSH, TRAb, Anti-TPO Ab(anti-thyroperoxidase antibody)를 측정하였으며, 치료 종료 2개월후에는 TRH 자극 검사를 하여 TSH 증가폭(△TSH) 및 유리 T_(3) 증가폭(△FT_(3))을 구하였다. 모든 측정치는 평균±표준편차로 표시하였으며, SPSS software를 이용하여 Student's paired t-test, chi-square test, Wilcoxon signed ranks test를 시행하였고, 유의 수준 0.05 이하를 통계적으로 유의하다고 판단하였다. 결과 1) 총 32명의 환자 중 재발한 환자(Group Ⅰ)는 22명(69%) 이었으며, 재발한 환자(Group Ⅱ)는 10명(31%) 이었다. 2) 진단 초기 총T3 치는 Ⅰ 군에서 342.0±126.2ng/dl, Ⅱ 군에서 493.0 ±142.2 ng/dl로 Ⅱ군에 비해 유의하게 증가되었다(p<0.05). 3) Anti-TPO Ab는 Ⅰ군에서 2.9±4.4, Ⅱ군에서 22.3±22.3 U/mL로 나타나 Ⅱ군에서 유의하게 증가되었다.(p<0.05) 4) 양군에서 치료 종료후 재발시 대부분의 환자가 1년 이내에 재발하였다. 5) TRH 자극· 검사후 유리 T3 증가폭 및 TSH 증가폭은 양군간에 차이가 업ㅅ었다(1.5±0.9 vs 1.2±1.0 pmol/L, 12.54±7.56 vs 11.23±4.21 mU/L, p>0.05) 결론 : TRH 자극 검사후 정상적인 TSH 반응을 보인 환자에서 재발 및 관해여부를 치료 초기 T3 및 치료 종료시 Anti-TPO Ab로 예측할 수 있었으며, 이들 측정치가 증가해 있을수록 재발의 가능성이 많음을 알 수 있었다. 또한 투약 중단후 초기 12개원의 추적기간 동안 관해가 유지되면 그 이후엔 재발의 가능성이 현저히 줄어 들었으며, 이 후 좀더 많은 환자들을 대상으로 하는 장기적인 추적연구가 진행 되어야 할 것으로 사료된다. Background : Many studies were undertaken to find parameters that could predict the clinical course of patients with Graves' disease after withdrawal of antithyroid drugs. In many parameters, TRH (thyrotropin-releasing hormone) stimulation test and T3 suppression test were considered to be one of the most reliable for predicting remission. But recently, some studies showed that the measurement of free T3 and FT3 are to be a more accurate than other thyroid function test. In this study, we measured T_(3), T_(4), T_(3)/T_(4), TSH (thyroid stimulating hormone), TRAb (TSH receptor antibody), FT3 and other known useful parameters to compare the factors influencing the relapse of Graves disease after antithyroid medication. Patients and methods : Among the 84 Graves' disease patients who had done the TRH stimulation test after withdrawal of antithyroid medication, we examined 32 patients who showed normal TSH response and followed up more than one year. T_(3), T_(4), T_(3)/T_(4), TSH and TRAb levels were measured at the time of diagnosis and at the end of therapy. Serum TSH and FT_(3) levels were measured after TRH stimulation, after two months of withdrawal of medication. Statistical evaluation was Performed by SPSS software in combination with Student's Paired t-test, chi-square test, Wlicoxon signed-ranks test. p-value less than 0.05 was considered to be significant. Results 1. In the 32 patients with Graves disease, 10 patients(31%) relapsed(Group Ⅰ) and 22 Patients(69%) remained in remission(Group Ⅱ). 2. Initial serum T3 level was significantly higher in group Ⅰ than group Ⅱ(342.0 ±126.2 vs. 493.0±142.2 ng/dl, p<0.05). 3. Anti-TPO Ab level was significantly higher in group Ⅰ than group Ⅱ(22.3±22.3 vs 2.9±4.4 U/mL, p<0.05). 4. In group Ⅰ and Ⅱ most patients showed relapse within 1 year after antithyroid medication. 5. After TRH stimulation test, serum FT_(3), and TSH level were not significantly different between group I and Ⅱ(p>0.05). 6. Serum T_(4), T_(3)/T_(4), TSH, TRAb levels were not significantly different from group Ⅰ and Ⅱ. Conclusion : In this study, we found increased relapse rate in the patients with Graves' disease whose initial serum T3 and anti-TPO Ab levels were high, so these parameters could be used to predict the relapse of Graves' disease. In the case of more than 12 months remission period after withdrawal of antithyroid medication, no relapse wsa observed in this study, but study should be done in the large population of patients with Graves' disease.