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경중도 안와 내벽 골절의 수술 시 흉터 최소화를 위한 변형된 직접 W-절개법과 실리콘판을 이용한 재건
정재아,공정식,김양우,강소라,Jung, Jae A,Gong, Jung Sik,Kim, Yang Woo,Kang, So Ra 대한두개안면성형외과학회 2013 Archives of Craniofacial Surgery Vol.14 No.1
Background: For reconstruction of the mild to moderate medial orbital wall fractures, various surgical approaches have been used. Prior existing W-shaped incision was a direct local approach through a 3 cm incision on the superior medial orbital area with a titanium mesh implant. In this study, the authors modified W-shaped incision and reconstructed the defect with silastic sheet to improve the result and the postoperative scar. Methods: This study included 20 patients who had mild to moderate size of medial wall defect and therefore relatively suitable for reconstruction with silastic sheets from July, 2009 to December, 2011. A modified W-shaped skin incision approximately 1.2 to 1.5 cm in length was made along the superior medial orbital rim from approximately 1 cm medial to the medial canthus to the lower border of the medial eyebrow. The angles of the limbs of the W ranged from 150 to 160 degrees. Results: By using soft flexible silastic sheet, the authors reduced the incision from 3 to 1.5 cm, and by widening the angle of the W limbs, scars were more effectively hided in the relaxed skin tension line. Scar assessment was done with modified patient and observer scar assessment scale and mean score from patients was 2.08 and mean score from observers was 2.12. Conclusion: Although this method will not be suitable for every case, it can be a consistent method to obtain the surgical goal in treatment of mild to moderate blowout fractures of the medial orbital wall.
Footplate Incision in Rhinoplasty: an Update
정재아,남궁식,한승규,정성호,동은상,김우경 대한미용성형외과학회 2015 Archives of Aesthetic Plastic Surgery Vol.21 No.2
Background In 2004, we reported on 110 consecutive Asian rhinoplasty patients who were treated with the addition of a footplate incision to obtain a greater aesthetic satisfaction. We continue to perform the reported technique with several modifications, and we still think that this method contributes to Asian rhinoplasty. Methods A footplate incision was made along the caudal border of the footplate of the medial crura onto the floor of the nasal vestibule. This incision can be made alone or in combination with either endonasal or open rhinoplasty. It enables surgeons to achieve a further tip projection since the pressure of the skin flap is reduced on the tip. In this study, we emphasize a couple of recent changes that we made to our procedure after publication of the prior article. First, we excised the dog-ear that appeared at the caudal end of the extended footplate incision. After making the new tip, a dog ear can be seen at the posterior end of the footplate incision. Second, an inferior columellar dissection was also extended to achieve an additional tip projection and to improve the columello-labial angle. Results This study included 85 consecutive patients who underwent an aesthetic rhinoplasty using footplate incision techniques between August of 2010 and May of 2013. A total of 43 patients had an adequate follow-up time of over 12 months. The majority of the patients (40/43 cases) were satisfied with the results. Conclusions The authors believe that a footplate incision in aesthetic rhinoplasty is safe and can reliably achieve better results for Asian patients.
정재아,신학기,임진희,박상근,권영순,최성열 한국화훼학회 2016 화훼연구 Vol.24 No.4
‘Woonbaek’ bred by the National Institute of Horticultural & Herbal Science, Rural Development Administration (RDA) in 2011 is a new white standard chrysanthemum cultivar. The artificial crossing was made in 2007 between ‘Suishin’ and ‘Gilyangma’. ‘Suishin’ was the autumn-flowering standard chrysanthemum cultivar with white petals and low temperature flowering type, while ‘Gilyangma‘ grew well at low temperature. Vigorous plants with numerous white petals and low branches were selected in 2008. Genetic trait investigations of the line (07B1-659) had been performed between 2009 and 2011 and included flowering stability, uniformity, and year-round productivity, the final test of the producer and consumer preference. ‘Woonbaek’ is a new standard cultivar that blooms in late October in natural condition. The flower has numerous petals, a green colored center, and a s table flower shape. The number of ray flower was 249 and flower diameter was 14 cm. Vase life was approximately 21 days in autumn season. The stem was not significantly thinner at the upper end. ‘Woonbaek’ was applied as No. 2012 - 244 on March 23, 2012, for variety protection and its plant variety protection rights have been registered as No. 4839 on March 17, 2014, at the Korea Seed and Variety Service.
곤봉가루응애(Tyrophagus similis)에 의한 시설재배 시금치 피해
정재아,조명래,김형환,강택준,이종호,도경란,Jung, Jae-A,Cho, Myoung-Rae,Kim, Hyeong-Hwan,Kang, Taek-Jun,Lee, Jong-Ho,Do, Kyeong-Ran 한국응용곤충학회 2010 한국응용곤충학회지 Vol.49 No.4
친환경 시설재배 시금치에서 생장점 부위를 가해하는 응애를 채집하여 곤봉가루응해(Tyrophagus similis Volgin, 1949)로 동정되었다 곤봉가루응애에 의한 시금치의 피해는 주로 생장점부근의 어린잎에서 나타나는데 곤봉가루응애의 크기가 0.5 nm 정도로 매우 작아 농민들이 육안으로 해충을 확인하기는 매우 어렵다. 본 연구에서는 우리나라에서 처음으로 확인된 곤봉가루응애에 의한 시금치 피해에 대해 보고하고 응애의 형태 및 피해증상에 대한 정보를 제공하고자 한다. A mite damage was observed in spinach (Spinacia oleracea L.) under organic culture greenhouses. The mite was identified as Tyrophagus similis Volgin, 1949. It was very difficult for the farmers to diagnose the mite damage because of its tiny size about 0.5 nm in length. And the symptom was not clear at the early growth stage of the spinach because the mite mainly attack the very young leaves. In this study, we first report the spinach damages by T. similis in Korea. Informations on the mite morphology and the spinach damage symptoms are provided for the diagnosis.
정재아,김양우,전영우,강소라 대한성형외과학회 2014 Archives of Plastic Surgery Vol.41 No.3
Background: Autologous fat grafts have been widely used for cosmetic purposes and for soft tissue contour reconstruction. Because diabetes mellitus is one of the major chronic diseases in nearly every country, the requirement for fat grafts in diabetes patients is expected to increase continuously. However, the circulation complications of diabetes are serious and have been shown to involve microvascular problems, impairing ischemia-driven neovascularization in particular. After injection, revascularization is vital to the survival of the grafted fat. In this study, the authors attempted to determine whether the diabetic condition inhibits the survival of injected fat due to impaired neovascularization. Methods: The rat scalp was used for testing fat graft survival. Forty-four seven-week-old male Sprague-Dawley rats were allocated to a diabetic group or a control group. 1.0 mL of processed fat was injected subcutaneously into the scalp of each rat. The effect of diabetes was evaluated by calculating the volume and the weight of the grafted fat and by histologically analyzing the fat sections. Results: The surviving fat graft volume and weight were considerably smaller in the diabetic group than in the control group (P<0.05), and histological evaluations showed less vascularity, and more cysts, vacuoles, and fibrosis in the diabetic group (P<0.05). Cellular integrity and inflammation were not considerably different in the two groups. Conclusions: As the final outcome, we found that the presence of diabetes might impair the survival and the quality of fat grafts, as evidenced by lower fat graft weights and volumes and poor histologic graft quality.