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일부 뇌성마비 아동을 대상으로 한 아동균형척도의 검사 - 재검사, 측정자간 및 내의 신뢰도
고주연,김기원,Ko, Joo-Yeon,Kim, Gi-Won 대한물리치료학회 2010 대한물리치료학회지 Vol.22 No.4
Purpose: This study was designed to determine the test-retest, inter-rater, and intra-rater reliability of the Pediatric Balance Scale (PBS) when applied to children with cerebral palsy (CP). Methods: Subjects were out-patient children with cerebral palsy at four CP clinics in Gyeonggyi-do and Chungcheong nam-do. For test-retest and inter-rater reliability studies, the PBS was used twice on 7 separate days by twenty-four children with CP. To assess intra-rater reliability, 10 CP subjects were selected by random sampling. Four pediatric-trained physical therapists with 2-13 years of clinical experience scored the children’s performance blindly, while replaying videotaped data. Results: There was no significant difference in total scores (ICC 3,1=0.89, 0.93, 0.90, and 0.91) measured by each of the four therapists on two occasions. The Inter-rater reliability assessed the 1st and 2nd time was high (1stICC 3,1=0.91, 2nd ICC 3,1=0.93). The intra-rater reliability measured by each of the four therapists using the 2nd scores was also high (ICC 3,1=0.98, 0.99, 0.97, and 0.98). Conclusion: The PBS is reliable. We believe that it can be used in characterizing children with CP.
한국형 여드름 중증도 시스템을 이용한 경구 이소트레티노인(Roaccutane(R))의 여드름 치료 효과 평가 및 환자의 만족도에 대한 연구
고주연 ( Joo Yeon Ko ),김낙인 ( Nak In Kim ),이주흥 ( Joo Heung Lee ),이준영 ( Jun Young Lee ),성경제 ( Kyung Jeh Sung ),노영석 ( Young Suck Ro ) 대한피부과학회 2009 대한피부과학회지 Vol.47 No.3
Background: Although oral isotretinoin is an effective established therapy for acne, Korean data related with this therapy is very limited. Moreover, there is no published data available on the efficacy of this drug that uses a grading system suitable for Korean acne patients. Objective: The purpose of this study is to evaluate the efficacy of oral isotretinoin (Roaccutane(R)) by using the Korean Acne Grading System (KAGS) and the general satisfaction of patients in treating acne. Methods: In this multicenter and prospective clinical study, 499 patients with acne, who visited at 5 dermatologic clinics during 11 months, were enrolled. The drug dosage was 0.2∼1.0 mg/kg/day over 4 months. The efficacy assessment was performed at baseline and monthly after, with an acne grading based on the KAGS and the patient satisfaction questionnaire. Results: Out of the 499 patients, 435 and 371 have completed the 3-month and 4-month treatments, respectively. After the 4-month treatment, the mean acne grades significantly decreased from 2.71 to 0.68, thus showing a 75.9% reduction in pretreatment scores. The mean patient satisfaction scores improved at the end of 4-month treatment, showing a 4.42 out of 5. Conclusion: In this paper, we describe the efficacy of oral isotretinoin by using the KAGS, which has not been previously reported in the Korean literature. Our results show that oral isotretinoin is an effective and satisfactory treatment modality for acnes of all grades in Korean patients, regardless of the dosage. (Korean J Dermatol 2009; 47(3):287∼294)
Symposium 4-3 (SYP 4-3) : Allergic contact dermatitis caused by sodium metabisulfite
고주연 ( Joo Yeon Ko ) 대한피부과학회 2014 대한피부과학회 학술발표대회집 Vol.66 No.2
Sulfites are a ubiquitous group of sulfur-based compounds that contain the sulfite ion, SO32-, and that are widely used in the cosmetic, pharmaceutical and food industries. They occur naturally in somefoods and beverages, as a result of fermentation, whereas others are of synthetic origin and are commercially available (Table 1). They are used to control the growth of microorganisms and as bleaching, antioxidant or reducing agents. Among these, sodium sulfite salts, namely sodium sulfite, sodium bisulfite sulfite, and, particularly, sodium metabisulfite (SMS), are the most frequently used molecules.
공초점현미경을 이용한 물집유사천포창과 후천 물집표피박리증의 감별진단에 관한 연구
고주연 ( Joo Yeon Ko ),오지구 ( Ji Goo Oh ),김영훈 ( Young Hoon Kim ),이창우 ( Chang Woo Lee ) 대한피부과학회 2006 大韓皮膚科學會誌 Vol.44 No.5
Background: The differential diagnosis of bullous pemphigoid (BP) and epidermolysis bullosa acquisita (EBA) presents some difficulties since both diseases have overlapping clinical and histological features, as well as immunopathological findings. Confocal laser scanning microscopy (CLSM) has been developed and has shown to be a promising tool for dermatological investigations, giving a higher degree of resolution and available co-localization analysis. Objective: The purpose of this study was to evaluate whether the new technique of CLSM could reliably identify and differentiate the binding sites of disease specific-autoantibodies (Abs) at the basement membrane zone (BMZ), with the sera from BP and EBA. Methods: An indirect immunofluorescence (IF) assay was performed to localize the binding sites of circulating Abs from 5 cases of both BP and EBA, as well as the sites of 3 BMZ markers (integrin β4, laminin-5, and type IV collagen). To facilitate identification and topographic differentiation between the two groups, patients` Abs were labeled with fluorescein isothiocyanate, whereas the BMZ markers were labeled with Texas red. The tissue specimens were observed under both conventional IF microscopy and CLSM. Results: Owing to superposition of antigens and marker labels, double immuno-labeled sections under IF microscopy revealed limitations for the differentiation of patient`s sera from BMZ markers even with high magnification (×1,000). However, CLSM was able to eliminate much of the antigen overlap. In BP, the circulating autoantibody` deposits were recognized on the epidermal side of laminin-5 and type IV collagen, and codistributed with integrin β4. On the other hand, the binding of autoantibodies in EBA was on the dermal side from that of integrin β4, laminin-5 and type IV collagen. These spatial relationships are compatible with their known micro-structural locations. Conclusion: Our study indicates that CLSM examination may provide more precise localization of the antigens in BP and EBA than conventional IF microscopy. CLSM would not only be an efficient tool to identify circulating anti-BMZ autoantibodies for diagnosis and differential diagnosis of blistering diseases, but also a great addition to examining tissue specimens in patients who do not have detectable circulating Abs. (Korean J Dermatol 2006;44(5):545~553)