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생분해성 iodophor microsphere 함유 유두침지 소독제의 건유기 젖소에서의 유방내 신규감염 예방 효과
황철용,김종민,윤화영,한박,한홍율,Hwang, Cheol-Yong,Kim, Jong-Min,Youn, Hwa-Young,Han, Bo,Han, Hong-Ryul 대한수의학회 2004 大韓獸醫學會誌 Vol.44 No.1
1% iodophor loaded microspheres of PLGA (Poly[DL-Lactide-co-Glycolide]) were prepared by solvent evaporation method and were applied to the cows on dry period for evaluating it's preventive effects on intramammary infections. The morphology of the microspheres were evaluated using scanning electron microscopy and their releasing patterns were investigated. On investigating idophor releasing patterns of the microsphere, burst releasing pattern was detected until 2 days after in vitro incubation and sustained releasing was observed until 4 weeks. In field trial of teat dipping solution containing idophor loaded microspheres in dry cows showed significant preventive effects of intramammary infection caused by S. aureus, S. agalactiae, coagulase negative Staphylococci and coliform bacteria (p<0.05).
Malassezia pachydermatis에 의한 개의 피부염 치료 증례
황철용,오태호,박선일,윤화영,한홍율,Hwang, Cheol-yong,Oh, Tae-ho,Pak, Son-il,Youn, Hwa-young,Han, Hong-ryul 대한수의학회 1999 大韓獸醫學會誌 Vol.39 No.5
A 4-year-old female American cocker spaniel was hospitalized with 6 months prolonged dermal problems in The Veterinary Medical Teaching Hospital of Seoul National University. Initial noticed signs by owner of this dog were rashes and papules on ear part and they were spreaded whole body. On initial physical examinations, papules, pustules, crusts, and erythema were presented on whole body. Diameters of focal scaly and erythematous alopetic lesions were varied ranging 1 to 4cm. Skin scraping for detecting ectoparasites and wood's light examinations for dermatophyte were negative. Any bacteria were not detected but Malassezia pachydermatis was detected on cytological examination and fungal culture. The dog was treated with Itraconazole (5mg/kg, q12h) and Cephalexin (20mg/kg, q12h) orally and then bathed with 2% chlorhexidine shampoo twice per week for 5 weeks. From 12 weeks after starting therapy, all dermal problems were disappeared although some mild pyoderma were once relapsed. Regular chlorhexidine bathing treatment so far has been continued for preventing recurrence.
진도개에서 홍반천포창(pemphigus erythematosus)의 진단
방동하,최을수,김민규,최은화,정윤찬,강민수,김대용,황철용,이창우,윤화영,Bhang, Dong Ha,Choi, Ul Soo,Kim, Min Kyu,Choi, Eun Wha,Jung, Yun Chan,Kang, Min-Soo,Kim, Dae-Yong,Hwang, Cheol-Yong,Lee, Chang Woo,Youn, Hwan Young 대한수의학회 2006 大韓獸醫學會誌 Vol.46 No.2
A 6-year-old female Jindo dog weighing 20 kg was presented to the Veterinary Medical Teaching Hospital of Seoul National University for the formation of crust and erosion of the nasal bridge and planum, and for alopecia of ear margin. Erythema, crusts, alopecia and erosions were present in the nasal planum and the bridge of the nose on physical examination. There were no abnormalities on CBC, serum chemistry, and basic dermatologic examination which included skin scraping, bacterial cultures, and fungal cultures. On cytology, the acantholytic cells were surrounded by non-degenerate neutrophils. Biopsy samples obtained from skin lesionswere diagnosedpemphigus erythematosus by histopathology and immunochemical staining. Therefore the dog was initially treated with oral prednisolone as an immunosuppressive dose for tour weeks, but clinical manifestations did not improve so far.
한세명,김종택,이종복,서경원,송우진,유민옥,황철용,윤화영,Han, Sei-Myoung,Kim, Jong-Taek,Lee, Jong-Bok,Seo, Kyoung-Won,Song, Woo-Jin,Ryu, Min-Ok,Hwang, Cheol-Yong,Youn, Hwa-Young The Korean Society of Veterinary Clinics 2015 한국임상수의학회지 Vol.7 No.2
본 케이스는 요독증이 해소되지 않는 말기 만성 신부전 환자에서의 지속적 신대체요법에 관한 보고이다. 본 원에 내원하여 만성신부전으로 진단 내려진 6마리의 환자에서 수액요법과 같은 일반적인 대증요법에 개선이 없었다. 따라서 혈액투석방법을 진행하였다. 평균 57-72%의 요소감소율을 보인 4마리의 환자와 37.3%의 요소감소율을 보인 1마리의 환자견에서 좋은 개선을 보였다. 하지만 6마리의 환자견에서의 93회 혈액투석 동안 체외흐름 폐색, 항응고제 사용에 의한 과도한 출혈등과 같은 부작용이 12회 발생하였다. 따라서 요독증이 개선되지 않는 만성 신부전 환자에서의 지속적 신대체요법은 유용하다 할 수 있으며 혈액투석동안 면밀한 부작용 관찰이 중요하다 여겨진다. The purpose of this case report was to present the treatment of continuous renal replacement therapy (CRRT) in dogs with end-stage CKD with uncontrolled uremia. Hemodialysis were carried out 6 patients who failed to improve clinical status with conventional management for CKD. Four dogs with urea reduction ratio (URR) range of 57-72% and 1 dog with URR of 37.3% showed good outcome with decreasing tendency of pre-dialysis Therefore, we suggest that CRRT could be recommended for use in CKD dogs with uncontrolled azotemia or uremia and should be monitor carefully throughout the CRRT.
싸이클로스포린, 케토코나졸, 0.1% 타크로리무스 연고제제로 병용 치료한 군 사역견의 항문주위 누공 3례
서경원 ( Kyoung Won Seo ),안진옥 ( Jin Ok Ahn ),고예린 ( Ye Rin Coh ),박종우 ( Chong Woo Park ),채지상 ( Ji Sang Chae ),황철용 ( Cheol Yong Hwang ),윤화영 ( Hwa Young Youn ) 한국임상수의학회 2010 한국임상수의학회지 Vol.27 No.6
세 마리의 군 사역견이 신체검사와 직장 검사 등을 통해 항문주위 누공으로 진단되었다. 초기 치료는 단기간의 싸이클로스포린과 케토코나졸과 0.1%의 타크로리무스 연고제제로 시작하였다. 병변이 거의 다 치료가 되었을 시점부터 0.1% 타크로리무스 연고제제를 도포 횟수를 줄여서 실시하였다. 세 마리 모두에서 병변은 2-8주 사이에 별다른 부작용을 동반하지 않고 거의 대부분 사라졌으며, 완치는 증례 1, 2, 3에서 각 13, 6, 4주에 이루어졌다. 이 세가지 약물의 병용 프로토콜은 항문낭과도 연결된 항문주위 누공에서도 병변을 해소하는데 효과적이었으며, 특히 초기에 빠른 병변의 해소에 도움이 되어 병변으로부터 발생되는 고통을 경감시켜주는 기간이 늘어나는 것이 강점이라고 할 수 있다. 또한 시간적인 측면 외에도 경제적인 측면에서도 도움이 되므로 개에서 발생하는 항문주위 누공에 효과적인 치료 프로토콜로 유용하게 사용될 수 있을 것으로 사료된다. Three military working dogs (MWDs) were diagnosed with perianal fistulae after a complete physical examination and rectal palpation. The initial treatment protocol was used with short-term oral ciclosporine (CyA) and ketoconazole and 0.1% topical tacrolimus ointment. When lesions were nearly healed, treatment was continued with 0.1% tacrolimus ointment only at a lower frequency. The lesions improved significantly within 2-8 weeks with no noticeable side effects. Complete recovery was determined at weeks 13, 6, and 4 for cases 1, 2, and 3, respectively. This combination protocol was effective at resolving or reducing perianal fistulae (PAF) lesions even communicating with anal sacs in three dogs. The major benefit of this protocol was the rapid reduction of fistulae lesions and this could be helpful to extend the pain-free period. Moreover, this protocol appeared cost-saving as well as time-saving option for PAF dogs.
Canine juvenile cellulites의 진단과 치료 증례
황철용,유종현,강형석,윤화영,한홍율 한국임상수의학회 2002 한국임상수의학회지 Vol.19 No.4
Canine Juvenile cellulitis was diagnosed in 2 puppies hospitalized in Veterinary Medical Teaching Hospital of Seoul National University. Characterized dermatological problems were presents of scale, crust, purlent exudation and alopecia limited on their face. On cytologic examinations of direct impression smears for the lesions, numerous neutrophils and macrophagies were observed. No bacteria and fungus were noted. Treatments with administration of predinisolone and antibiotic orally combined with topical shampoo treatment had good results for the two puppies.