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운동 이중 과제 훈련이 아급성기 뇌졸중 환자의 균형 및 보행에 미치는 효과
지상구,남기원,김명권 대구대학교 특수교육재활과학연구소 2012 특수교육재활과학연구 Vol.51 No.3
본 연구는 아급성기 뇌졸중으로 인한 편마비 환자 23명에게 단순 과제 훈련과 이중 과제 훈련을 적용하였을 때 균형 및 보행에 어떠한 영향을 미치는지 알아보기 위해서 실시하였다. 대상자는 단순 과제 훈련군 11명과 이중 과제 훈련군 12명을 두 그룹으로 무작위 배정하였다. 훈련은 실험군과 대조군 모두 6주 동안 주 5회 하루 30분씩 실시하였다. 각 군의 운동효과를 알아보기 위하여 훈련 전과 후에 동작분석 장비를 통해 보행속도, 마비측 보장, 마비측 활보장, 분속수를 측정하였고, 버그 균형 척도를 이용하여 균형 능력을 측정하였다. 통계 분석은 실험 전과 후의 차이를 알아보기 위하여 대응표본 t 검정을 실시하였고, 그룹 간 차이를 알아보기 위하여 독립표본 t 검정을 실시하였다. 그 결과 단순 과제 훈련군과 이중 과제 훈련군 모두 훈련 전에 비해서 훈련 후에 보행과 균형 능력이 향상되었으며, 두 군 간 비교에서 유의한 차이를 보였다(p < .05). 따라서 본 연구를 통해 이중 과제 훈련이 단순 과제훈련 보다 아급성기 뇌졸중으로 인한 편마비 환자의 보행 및 균형 능력 향상에 더 효과적이 라는 것을 알 수 있었다. The purpose of this study was to examine the effect of the performance of a certain motor dual task training on the gait and balance in subacute stroke patients. The participants were allocated randomly into 2 group : simple task exercise group(n =11) and dual task exercise group(n=12). Both group performed standing balance training and gait training 5 times a week for 6 weeks, 30 minutes per session. Additionally dual task training group performed stacking blocks and moving catch cup, moving ring. To evaluate the effects of exercise, subjects were evaluated by using Eagle system for gait velocity, step length, stride length, cadence. And subjects were evaluated by BBS for dynamic balance measurement. The data was analyzed using a paired t-test and independent t-test to determine the statistical significance. Both group improved gait and balance after training, and motor dual task training group had statistical significance than simple task training group(p <.05). We consider that the motor dual task training is effective on gait and balance in subacute stroke patients.
게이트 Tc-99m-MIBI SPECT 와 Cedars 소프트웨어를 이용한 심근 기능 측정의 재현성
이명철(Myung Chul Lee),정준기(June Key Chung),이동수(Dong Soo Lee),안지영(Ji Young Ahn),천기정(Gi Jeong Cheon) 대한핵의학회 1998 핵의학 분자영상 Vol.32 No.5
N/A Purpose: We investigated reproducibility of the quantification of left ventricular volume and ejection fraction, and grading of myocardial wall motion and systolic thickening when we used gated myocardial SPECT and Cedars quantification software. Materials and Nethods: We performed gated myocardial SPECT in 33 consecutive patients twice in the same position after Tc-99m-MIBI SPECT. We used 16 frames per cycle for the gatingof sequential Tc-99m-MTBI SPECT. After reconstruction, we used Cedars quantitative gated SPECT and calculated ventricular volume and ejection fraction (EF), Wall motion was graded using 5 point score. Wall thickening was graded using 4 point score. Coefficient of variation for re-examination of volume and fraction were calculated. Kappa values (k-value) for assessing reproducibility of wall motion or wall thickening were calculated. Results: Enddiastolic volumes (EDV) ranged from 58 mi to 248 ml (122 ml +/- 42 ml), endsystolic volumes (ESV) from 20 mi to 174 mi (65 ml +1- 39 ml), and EF from 20% to 68% (51% +/- 14%). Geometric mean of standard deviations of 33 patients was 5.0 ml for EDV, 3.9 ml for ESV and 1.9% for EF. Their average differences were not different from zero (p>0.05). k-value for wall motion using 2 consecutive images was 0.76 (confidence interval: 0.71-0.81). k-value was 0.87 (confidence interval:0.83-0.90) for assessment of wall thickening. Conclusion: We concluded that quantification of functional indices, assessment of wall motion and wall thickening using gated Tc-99m-MIBI SPECT was reproducible and we could use this method for the evaluation of short-acting drug effect.
정지원,김기영,하명구,신용국,이태호,이재동 한국생명과학회 1998 한국생명과학회 학술발표회 Vol.20 No.-
This study was carried out to identify the phylogenetic relationship among Phellinus species by comparing the DNA sequences of the 5.8S ribosomal DNA (rDNA) and the internal transcribed spacers (ITS), ITS 1 and ITS 2 region. Two primers from 3´end of 18S rDNA and 5´end of 28S rDNA sequences were chosen to amplify the specific ITS region of Phellinus spp. Phellinus strains used in the study were divided into four clusters by phylogenetic tree based on the ITS and 5.8S rDNA sequences. The first and second cluster consist of Phellinus linteus strains and KCTC 6230 Phellinus laeuigatus, respectively. KCTC 6229 Phellinus laeuigatus and KCTC 6226 Phellinus chrysoloma belong to the third cluster. Finally, KCTC 6228 Phellinus igniarius strain showed the similar sequences as KCTC 6225 Phellinus chrysoloma. These results revealed that the differentiation within Phellinus species by the comparison of ITS sequences might be misleading the classification. Therefore, both physiological and molecular biological methods as well as the sequences of type strains are necessary to classify the strain accuarely. Six representative species of the Phellinus linteus were easily differentiated with other species by the differences of the length in ITS 1 and ITS 2 regions. The comparison of the nucleotide sequences of four. Phellinus species indicated that the sequences of ITS 1 generally exhibited more divergent than that of the ITS 2. Although the interstrain ITS sequences are varied in some species, it is useful to identify the conserved regions in both ITSs to differentiate the species. The distinct ITS sequences of Phellinus linteus will be useful for the development of the genetic probe to identify the Phellinus linteus strains from other Phellinus spp.