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      • KCI등재

        A Multi-Center Educational Research Regarding Breastfeeding for Pediatrics Residents in Korea

        Yong Sung Choi,정성훈,김은선,Eun Sun Kim,Eunhee Lee,Euiseok Jung,So-Yeon Lee,이우령,Hye Sun Yoon,Yong Joo Kim,Ji Kyoung Park,Son Moon Shin,Ellen Ai-Rhan Kim 대한신생아학회 2022 Neonatal medicine Vol.29 No.1

        Purpose: Pediatricians have a significant responsibility to educate mothers about the importance of breastfeeding. However, there have been minimal efforts in the courses of resident training in Korea. The purpose of this study is to evaluate the change in knowledge and attitude before and after a 4-week breastfeeding educational intervention among multicenter residents. Methods: Prospective interventional educational research was designed for residents at eight training hospitals in Korea. Institutional reviews were obtained in each hospital. The education curriculum consisted of 14 courses regarding breastfeeding theory and practice. These materials were used to teach pediatric residents for 4 weeks. Knowledge-based tests were administered before the course, and re-tests were administered after the course using different test items of similar levels. Test scores and survey responses were compared before and after the intervention. Results: A total of 73 residents (1st year 20, 2nd year 23, 3rd year 16, and 4th year residents 14) from eight training hospitals completed the intervention. Their average age was 30.3±2.9 years, 17 (23.3%) were male, 22 (30.1%) were married, and eight had more than one child of their own. The mean pre-test score was 61.8±13.4 and the mean post-test score was 78.3±7.5 (P<0.001). The inter-grade difference in the score was significant in the pre-test (P=0.005), but not significant in the post-test (P=0.155). There were more responses of obtaining confidence after the intervention (P<0.001). Conclusion: In our study, pediatric residents showed improvement in their knowledge and confidence level after 4 weeks of the breastfeeding curriculum. This will provide a basis for future policymaking in the training of pediatric residents regarding breastfeedReceived: 6 January 2022 Revised: 15 February 2022 Accepted: 15 February 2022 Correspondence to: Ellen Ai-Rhan Kim, MD Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea Tel: +82-2-3010-3390 Fax: +82-2-3010-6978 E-mail: arkim@amc.seoul.kr A Multi-Center Educational Research Regarding Breastfeeding for Pediatrics Residents in Korea Yong-Sung Choi, MD,PhD1, Sung-Hoon Chung, MD, PhD2, Eun Sun Kim, MD, PhD3, Eun Hee Lee, MD4, Euiseok Jung, MD5, So Yeon Lee, MD, PhD5, Wooryoung Lee, MD6, Hye Sun Yoon, MD, PhD7, Yong Joo Kim, MD, PhD8, Ji Kyoung Park, MD, PhD9, Son Moon Shin, MD, PhD9, and Ellen Ai-Rhan Kim, MD, PhD5 1Department of Pediatrics, Kyung Hee University Hospital, Seoul, Korea 2Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea 3Department of Pediatrics, Kangwon National University Hospital, Chuncheon, Korea 4Department of Pediatrics, Korea University Anam Hospital, Seoul, Korea 5Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea 6Department of Pediatrics, Soonchunhyang University Seoul Hospital, Seoul, Korea 7Department of Pediatrics, Nowon Eulji Medical Center, Eulji University, Seoul, Korea 8Department of Pediatrics, Hanyang University Seoul Hospital, Seoul, Korea 9Department of Pediatrics, Inje University Busan Paik Hospital, Busan, Korea Neonatal Med 2022 February;29(1):28-35 https://doi.org/10.5385/nm.2022.29.1.28 pISSN 2287-9412 . eISSN 2287-9803 Copyright(c) 2022 By Korean Society of Neonatology This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http:// creativecommons.org/licenses/by-nc/4.0), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. Original Article 29 Neonatal Med 2022 February;29(1):28-35 https://doi.org/10.5385/nm.2022.29.1.28 ing in Korea.

      • KCI등재SCOPUS

        근막 결손의 복원과 자궁천골인대 고정을 통한 전자궁적출술 후 질탈출의 성공적 교정

        문화숙(Hwa Sook Moon),최진국(Jin Koo Choi),김경서(Kyung Seo Kim),박근식(Kyun Sik Park),황지영(Ji Young Hwang),문성은(Sung Eun Moon),한지원(Ji Won Han),김상국(Sang Gook Kim),김상갑(Sang Gap Kim) 대한산부인과학회 2002 Obstetrics & Gynecology Science Vol.45 No.7

        Objective : To report the method and efficacy of the site specific-defects repair in the endopelvic fascia and uterosacral ligament suspension for the correction of posthysterectomy vaginal vault prolapse. Methods : This study was performed in 3 patients with posthyterectomy vaginal vault prolapse who underwent the surgery for the reconstruction of endopelvic fascia and the correction of vault prolapsed vagina by using uterosacral ligament suspension at the department of Obstetrics and Gynecology in Moon-Hwa Hospital. Among them, 1 patient was treated by laparotomy, and 2 patients were treated by laparoscope. Results : The age of patients ranged from 49 to 67 years. The mean operation time was 111 minutes (105-120 minutes). The status of postoperative vagina was normal in all 3 patients, who were discharged 9 days after operation without symptoms. No complication or recurrence were found in them despite long-term follow-up for 24 months, 12 months, 7 months, respectively after operation. One patient has been treated with HRT therapy. Conclusion : The reconstruction of the defect of endopelvic fascia and uterosacral ligament fixation may be very safe, effective, and functional in the correction of vaginal vault prolapse. This study reports the treatment of vaginal vault prolapse using uterosacral ligament within Korea for the first time.

      • KCI등재

        장기요양노인병원에서 발생한 보라색 오줌 증후군 또는 Purple Urine Bag Syndrome 16예 보고 및 문헌 리뷰

        최규동(Gyu-Dong Choi),가혁(Hyuk Ga),박기호(Ki-Ho Park),유병익(Byung-Ik Yoo),김성민(Sung-Min Kim),강문철(Moon-Chul Kang),이은자(Eun-Jah Lee),박승태(Seung-Tae Park) 대한임상노인의학회 2007 대한임상노인의학회지 Vol.8 No.2

        연구배경: 1978년 란셋 잡지에 보라색 소변에 대한 보고가 최초로 있은 이래, 이 현상에 대한 생화학적, 미생물학적, 임상적 규명이 있었다. 보라색 소변은 환자나 환자 가족에게 불편하거나 걱정스러운 질병이다. 그러나 대개의 경우 환자의 건강에 실제적인 위험이 되는 경우는 거의 없다. 심지어 보라색 소변은 열심히 치료할 필요가 없다고 주장하는 사람도 있다. 이에 대조군 연구를 통하여 보라색 소변의 위험요인과 임상적인 의미(심각성)에 대하여 평가를 하고자 한다. 방법: 2007년 2월부터 4월 사이에 인천은혜병원에 입원하고 있는 381명의 환자들 중 도뇨관을 삽입하고 있는 65명을 대상으로 하였다. 이 65명은 65세 이하이거나 1개월 이하동안 도뇨관을 갖고있는 환자는 제외한 숫자이다. 대상 환자는 모두 실리콘제의 폴리카테터와 일회용 소변주머니를 사용하였고 카테터의 교환주기는 특별한 경우 외에는 1개월마다 교환하였다. 대상환자 중 16명이 보라색 소변을 보여, 멸균생리식염수로 방광세척을 한 뒤 카테터와 소변 주머니를 소독된 새 것으로 무균적으로 교환한 뒤 소변배양을 실시하였다. 관련 환자와 대조군의 비교항목들을 통계처리하여 통계적인 유의성을 확인하였으며, 변수의 분석은 신뢰도 95%로(P value 0.05) 카이스퀘어 가설검정과 만-휘트니 U검사를 실시하였다. 결과: 보라색 소변을 보였던 환자들의 나이 평균은 80세였고 전원이 와상상태의 할머니였다. 대상환자의 진단명 중 가장 많은 것은 치매였다. 평균 도뇨기간은 22개월 이었다. 보라색소변을 보인환자군은 보이지 않은 환자들 보다 평균 도뇨기간이 길었으며, 변비가 더 심하였고 변비치료용 좌약 사용빈도가 높았다. 대조군에서는 조사기간 전 1개월 이내에 항생제를 사용한 빈도가 약간 더 높았으나 통계적인 의미는 확실하지 않았다. 결론: 보라색소변은 장기요양노인병원에서 흔히 발생하는 문제이다. 이전 연구들에서 없었던 보라색 소변과 항생제사용과의 관련성 및 변비치료제로 bisacodyl 좌약사용과의 관련성, 소변 카테터의 삽입기간 등에 대한 정보를 추가하여 얻을 수 있었다. Background: Since the first report of purple urine bag syndrome (PUBS) by Barlow and Dickson in 1978, many researchers have tried to reveal the clinical and bacteriological background of this phenomenon. To the best of our knowledge, most of them were case or case series reports and only three were case-control studies which compared the clinical, biochemical, or bacteriological background between patients with and without PUBS. It is certain that PUBS is an uncomfortable or troubling issue for some patients and their families. However, most of the patients who presented with PUBS were, largely, asymptomatic and it is apparent that PUBS is not a disease per se, nor does it appear to represent any real danger to patient's health, and some authors go so far as to even advocate that it is unnecessary to treat PUBS-affected patients aggressively. In this case-control study, we reviewed risk factors and clinical significance of PUBS in geriatric wards. Methods: Of the 381 hospitalized patients in a hospital specialized in the long term care of the elderly handicapped (Incheon Eun-Hye Hospital, Incheon, Korea), 65 patients who featured urinary catheterization during the period from February 2007 and April 2007 were enrolled in this study. Subjects who were younger than 65 or catheterized duration was less than one month were excluded. The same types of silicone Foley balloon catheter and disposable plastic urine bag were used for all patients. Routine Foley catheter change interval was one month. For the 16 patients who exhibits PUBS, bladder irrigation with normal saline and immediate change of urine bag and catheter were performed. And urine culture was done. Variables were statistically analyzed by chi square test or Mann-Whitney's U-test. P values less than 0.05 were considered statistically significant. Results: The PUBS patients mean age was 80, and bed ridden female. Most common diagnosis was dementia. Mean duration of the catheterization was 22 months. The PUBS patients were more constipated than non-PUBS control group and used more bisacodyl suppository. Antibiotics usage within one month before this survey in PUBS group is more frequent than control group with borderline statistical significance. Conclusion: PUBS is frequently occurring problem in long-term care geriatric wards. Causative factors are tryptophan putrefaction (decreased intestinal absorption, motility), alkaline urine, oxygen (air, Foley catheterization). All factors are bacterial infection related. Our results were the same as previous results. Relationship with antibiotics usage, bisacodyl suppository and constipation, long term usage of the Foley catheter notified also. Female predomination is related with easy, frequent urinary infection, and more population in old age.

      • Red ginseng extract promotes the hair growth in cultured human hair follicles

        ( Sang Hyung Lee ),( Gyeong Hun Park ),( Hong Il Cho ),( Sang Min Lee ),( Ji Su Han ),( Chong Hyun Won ),( Sung Eun Chang ),( Mi Woo Lee ),( Jee Ho Choi ),( Kee Chan Moon ),( Hyoseung Shin ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.2

        Background: Ginseng has been shown to promote hair growth in several recent studies. However, its effects on human hair follicles and its mechanisms of action have not been sufficiently elucidated. Objectives: This study aimed to investigate the hair growth promoting effects of red ginseng extract (RGE) and its ginsenosides. Methods: The proliferative activities of cultured humanhair follicles treated with RGE and ginsenoside-Rb1 were assessed using Ki-67 immunostaining. Their effects on isolated human dermal papilla cells (hDPCs) were evaluated using cytotoxicity assays and immunoblot analysis. We examined the ability of RGE and ginsenosides to protect hair matrix keratinocyte proliferation against dihydrotestosterone (DHT)-induced suppression and their effects on the expression of androgen receptor. The in vivo hair growth-promotingeffect of RGE was also investigated in C57BL/6 mice. Results: Both RGE and ginsenoside-Rb1 enhanced the proliferation of hair matrix keratinocytes. hDPCs treated with RGE or ginsenoside-Rb1 exhibited substantial cell proliferation. Moreover, RGE, ginsenoside-Rb1, and ginsenoside-Rg3 abrogated the DHT-induced suppression of hair matrix keratinocyte proliferation and the DHT-induced upregulation of the mRNA expression of androgen receptor in hDPCs. Murine experiments revealed that the subcutaneous injection of 3% RGE resulted in more rapid hair growth than the negative control. Conclusion: These results suggest that red ginseng may promote hair growth in humans.

      • SCIESCOPUSKCI등재

        Synthesis of an Amphiphilic Poly(γ-Glutamic Acid)-Cholesterol Conjugate and Its Application as an Artificial Chaperone

        ( Eun Hye Lee ),( Moon Hee Sung ),( Hiroshi Uyama ),( Takashi Tsujimoto ),( Yoshiki Kamigaito ) 한국미생물 · 생명공학회 2010 Journal of microbiology and biotechnology Vol.20 No.10

        A poly(γ-glutamic acid) (γPGA)-cholesterol conjugate was synthesized and its properties were then evaluated. The conjugate exhibited an amphiphilic nature derived from the hydrophilic γPGA backbone and the hydrophobic cholesterol side chain. The conjugate spontaneously formed nanoparticles, becoming an aqueous solution when at low concentrations, and at high concentrations the result was the formation of a physical gel. By utilizing the selfaggregating properties of the conjugate in water, an artificial chaperone was developed. A complex of protein, with the nanoparticles of the conjugate, was formed and the protein was released upon the dissociation of the nanoparticles through the addition of β-cyclodextrin. For denatured carbonic anhydrase, the activity was recovered in the artificial chaperone of the nanoparticle conjugate.

      • In vitro Virulence of Cultured Supernatant in Porphyromonas gingivalis W50 under Hemin and Menadione Limited Culture Condition

        Moon, Sang-Eun,Cha, Joung-Dan,Kim, Ki-Gyung,Lee, Hyun-Ok,Kim, Kang-Ju 원광대학교 생체재료·매식연구소 1997 원광생체재료·매식 Vol.6 No.1

        In order to investigate the change of virulence in P. gingivalis W50, in vitro virulence was measured by the change of cell activity in mouse 3T3 cell. The cell activity of cultured supernatant of P. gingivalis W50 in the presence of hemin was lower than that in the obsence of hemin and menadione, but there was no change according to the presence of menadione. These results suggest that the virulence of cultured supernatant in P. gingivalis W50 might be increased by hemin.

      • KCI등재

        Factors Contributing to the Preference of Korean Patients with Crohn’s Disease When Selecting an Anti-Tumor Necrosis Factor Agent (CHOICE Study)

        Eun Soo Kim,Kyeong Ok Kim,Byung Ik Jang,이창균,Hyo Jong Kim,Kang-Moon Lee,김유선,Chang Soo Eun,Sung-Ae Jung,Suk-Kyun Yang,Jun Lee,Tae-Oh Kim,Yunho Jung,Geom Seog Seo,Soon Man Yoon,IBD Study Group of the Kor 거트앤리버 소화기연관학회협의회 2016 Gut and Liver Vol.10 No.3

        Background/Aims: Two comparable anti-tumor necrosis factor (TNF) agents with different routes of administration (intravenous [iv] infliximab [IFX] vs subcutaneous [sc] adalimumab [ADA]) are available for patients with Crohn’s disease (CD) in Korea. This study aimed to identify the preferences of Korean CD patients for a specific anti-TNF agent and the factors contributing to the decision. Methods: A prospective survey was performed among anti-TNF-naive CD patients in 10 tertiary referral hospitals. A 16-item questionnaire addressed patient preferences and the factors contributing to the decision in favor of a particular anti-TNF agent. A logistic regression was conducted to assess predictive factors for ADA preference. Results: Overall, 189 patients (139 males; mean age, 32.47±11.71 years) completed the questionnaire. IFX and ADA were preferred by 63.5% (120/189) and 36.5% (69/189) of patients, respectively. The most influential reason for choosing IFX was ‘doctor’s presence’ (68.3%, 82/120), and ADA was “easy to use” (34.8%, 24/69). Amid various clinicodemographic data, having a >60-minute travel time to the hospital was a significant independent predictive factor for ADA preference. Conclusions: A large number of anti-TNF-naive Korean patients with CD preferred anti-TNFs with an iv route of administration. The reassuring effect of a doctor’s presence might be the main contributing factor for this decision.

      • Stress-relieved Si anode on a porous Cu current collector for high-performance lithium-ion batteries

        Moon, Sang-Hyun,Kim, Si-Jin,Kim, Min-Cheol,So, Jin-Young,Lee, Ji-Eun,Shin, Yeon-Kyung,Bae, Won-Gyu,Park, Kyung-Won Elsevier 2019 Materials chemistry and physics Vol.223 No.-

        <P><B>Abstract</B></P> <P>To overcome the mechanical stress generated during the cycling process in lithium-ion batteries, Si anode is fabricated on a porous Cu current collector with holes using sputtering deposition method. The porous Cu/Si shows superior high-rate and cycling performance in lithium-ion batteries compared to the Si anode on the flat Cu. The excellent high-rate performance and stable cyclability of the porous Cu/Si can be predominantly attributed to the efficient relief of the stress generated by the volumetric expansion of the Si anode on the porous Cu current collector.</P> <P><B>Highlights</B></P> <P> <UL> <LI> The Si anode for LIBs was fabricated on a porous Cu current collector having holes. </LI> <LI> The porous Cu/Si showed the superior high-rate and cycling performance. </LI> <LI> The excellent performance of the porous Cu/Si can be due to the relief of the stress. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>

      • Pelvic Obliquity in Neuromuscular Scoliosis: Radiologic Comparative Results of Single-Stage Posterior Versus Two-Stage Anterior and Posterior Approach

        Moon, Eun Su,Nanda, Ankur,Park, Jin Oh,Moon, Seong Hwan,Lee, Hwan Mo,Kim, Jin Young,Yoon, Sang Pil,Kim, Hak Sun Lippincott Williams Wilkins, Inc. 2011 1528-1159) Vol.36 No.2

        STUDY DESIGN.: Retrospective comparative study (Level III). OBJECTIVE.: To compare the operative results of posterior fusion and a 2-stage anterior L5-S1 fusion followed by posterior fusion in neuromuscular scoliosis patients with significant pelvic obliquity (PO). SUMMARY OF BACKGROUND DATA.: PO in neuromuscular scoliosis is common and a challenging problem that affects proper sitting balance, necessarily addressing the deformity and proper maintenance of the correction. METHODS.: A total of 54 patients with neuromuscular scoliosis and significant PO (>10°) were divided into 2 groups. Group 1 (n = 24) was operated on for posterior fusion and pelvic fixation. Group 2 (n = 30) included patients who were subjected to a first-stage procedure consisting of a lumbosacral junction release and fusion through a midline retroperitoneal approach and then a second-stage procedure of posterior fusion and pelvic fixation. Parameters measured included length of the follow-up, number of fusion levels, age at operation, forced vital capacity, operative time, estimated blood loss, and postoperative complications. Radiologic parameters measured before surgery, after surgery at the time of discharge, and at a final follow-up included Cobb angle, T1 translation, sitting pelvic obliquity (PO) in the frontal plane, C7 plumb line, thoracic kyphosis, lumbar lordosis, and sacral inclination angle in the sagittal plane. RESULTS.: The correction of scoliosis was similar in both groups. The preoperative PO averaged 19.5° in Group I and 22.9° in Group II (P = 0.22), which corrected after surgery to 9.7° versus 7.4° (P = 0.23), respectively. Group II correction progressively improved significantly compared to Group I (7.0° vs. 11.6° at P = 0.046) at the latest follow-up. A 40.6% correction (mean correction = 7.9) in sitting PO in Group I compared to 70.7% correction (mean correction = 5.9°) in Group II was observed (P = 0.004). The average loss of correction of PO at the final follow-up was lesser in group II, but not statistically significant (P = 0.07). CONCLUSION.: Anterior fusion of the lumbosacral junction followed by posterior fusion provides superior correction and maintenance of PO in patients with neuromuscular scoliosis.

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