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소아 뇌성마비에 대한 추나 요법의 효과 : 체계적 문헌고찰과 메타분석
남현서(Hyun seo Nam),한승희(Seung hee Han),안다영(Da young An),백태현(Tae hyun Baek) 척추신경추나의학회 2021 척추신경추나의학회지 Vol.16 No.2
Objectives This study was aimed to evaluate the effects of Chuna manual therapy (CMT) for the treatment of cerebral palsy. Methods The randomized controlled trials (RCTs) on the treatment of CMT for cerebral palsy in children were selected among the literature published until January 2021 in seven databases. The quality of the literature was evaluated using the Cochrane s risk of bias tool, and RevMan 5.3 was used for the synthesis of results. Results Total 801 pediatric patient with cerebral palsy incontinence were finally selected from twelve RCTs. The total effective rate of the combined treatment general rehabilitation and CMT is statistically significantly higher (P<0.0001) than that of general rehabilitation alone. Conclusions This study suggests that general rehabilitation combined with CMT for cerebral palsy in children might be more effective in improving symptoms than general rehabilitation alone. As the number and quality of the literature included in the meta-analysis was insufficient, high-quality clinical studies on CMT for cerebral palsy would be required.
안정화된 다중채널 RLMS 알고리즘을 이용한 덕트의 능동소음제어
남현도(Hyun-Do Nam),남승욱(Seung-Uk Nam),서성대(Sung-Dae Seo),안동준(Dong-Jun Ahn) 대한전기학회 2006 정보 및 제어 심포지엄 논문집 Vol.2006 No.1
An adaptive IIR filter in ANC(Active Noise Control) systems is more effective than an adaptive FIR filter when acoustic feedback exists, in which cause an order of an adaptive FIR filter must be very large if some of poles of the ideal control filter are near the unit circle. But the FIR filters may have stability problems especially when the adaptive algorithm for adaptive filters is not yet converged. In this paper, a stabilized multi-channel recursive LMS (MCRLMS) algorithm for an adaptive multi-channel IIR filter is presented. RLMS algorithms usually diverge before the algorithm is not yet converged. So, in the beginning of the ANC system, the stability of the RLMS algorithms could be improved by pulling the poles of the IIR filter to the center of the unit circle. and returning the poles to their original positions after the filter converges. Computer simulations and experiments for dipole ducts using a TMS320C32 digital signal processor have performed to show the effectiveness of a proposed algorithm.
위식도 역류질환에 대한 한의학 연구 경향 분석: 국내 논문을 중심으로
남현서,Hyun seo, Nam 대한한의학회 2023 대한한의학회지 Vol.44 No.2
This study was conducted to examine the current status of traditional korean medicine studies on gastroesophageal reflux disease in Korea, identify deficiencies, and suggest the direction of future medicine research methods to lay the foundation for traditional korean medicine treatment. All domestic papers on the korean traditional treatment of gastroesophageal reflux disease were selected among the literature published until August 2022 in six domestic databases. A total of 52 selected research data were classified into experimental research papers, clinical research papers, and review papers. In experimental papers, to evaluate the effectiveness of treatment, improvement of esophageal mucosal lesions, anti-inflammatory mechanisms, antioxidant mechanisms, esophageal mucosal protection mechanisms, gastric peristalsis control, and gastric acid secretion inhibition mechanisms were used as evaluation measures. In the clinical research paper, the basis for diagnosis of cases was clinical symptoms through medical history listening and diagnosis through visits to hospitals in the past. The average treatment period was 40.7 days, and the duration of treatment was not significantly affected by the duration of the disease. The most widely used Korean medicine treatment intervention was herbal medicine. There were 3 literature review studies, 3 systematic literature review and meta-analysis studies, 1 comparative review study for clinical trial guideline development, all using Chinese papers. This study included all domestic papers on gastroesophageal reflux disease to identify the research trend of the Korean oriental medicine community, and based on this, it is meaningful to confirm areas that need to be supplemented in future research plans.
남현도(Hyun Do Nam),서성대(Sung-Dae Seo) 대한전기학회 2009 전기학회논문지 Vol.58 No.11
The adaptive IIR filters for active noise control systems are more effective when acoustic feedback exists, but the adaptive IIR filters could be unstable when the filter algorithm is not yet converged. In this paper, auto-secondary path estimation techniques and a stabilizing process for adaptive Multi-Channel Recursive LMS (MCRLMS) filters are developed to improve the stability of multi-channel active noise control systems. Experiments using a TMS320VC33 digital signal processor in a three dimensional enclosure have performed to show the effectiveness of the proposed algorithm.
복압성 요실금에 대한 보중익기탕의 효과 : 체계적 문헌고찰과 메타분석
남현서,백태현,Nam, Hyun-seo,Baek, Tae-hyun 대한한방내과학회 2021 大韓韓方內科學會誌 Vol.42 No.3
Objectives: This study investigates the effects and safety of Bojungikgi-tang for stress urinary incontinence by systemic review and meta-analysis of randomized controlled trials (RCTs). Methods: RCTs were selected from articles published until December 2019 in seven domestic and foreign databases. The quality of the literature was evaluated using Cochrane's risk of bias (RoB) tool, and RevMan 5.3 was used to synthesize the results. Results: A total of 694 patients with stress urinary incontinence participated in eight RCTs. Meta-analysis showed that the total effective rate of treatment that combines pelvic floor muscle training (PFMT) and Bojungikgi-tang was significantly higher than that of PFMT alone. The volume of urine leakage per hour after the combined treatment was significantly lower than that of PFMT alone. The International Consultation on Insurance Questionnaire-Short Form (ICIQ-SF) scores from combining PFMT and Bojungikgi-tang were significantly lower than those for PFMT alone. Conclusion: This study suggests that Western medical treatment combined with Bojungikgi-tang for urinary incontinence from stress might be more effective in improving symptoms than conventional Western medical treatment alone. However, the number of studies included in the meta-analysis was insufficient, and the quality of the selected literature was generally low. Therefore, high-quality clinical studies on herbal medicine treatment for urinary incontinence would be required in the future.
안다영,한승희,남현서,한수지,김미경,선승호,An, Da-young,Han, Seung-hee,Nam, Hyun-seo,Han, Su-zy,Kim, Mi-kyung,Sun, Seung-ho 대한한방내과학회 2021 大韓韓方內科學會誌 Vol.42 No.5
Objectives: The purpose of this study was to investigate a case of a patient with spinocerebellar ataxia (SCA) type 2 whose condition improved following treatment with Korean medicine. Methods: A 25-year-old man, diagnosed with SCA type 2, was treated with herbal medicine (Yukmijiwhang-tang-gami), acupuncture, and physical treatment. The therapeutic effect was evaluated using the Berg Balance Scale (BBS) and gait status. Results: Following treatment, the BBS score increased, and gait ataxia improved. Conclusions: This case study suggests that Korean medicine could be effective for relieving symptoms of SCA type 2.