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양재혁,양영진,조길재,정종태,임윤규,Yang, Jae-hyuk,Yang, Young-jin,Cho, Gil-jae,Cheong, Jong-tae,Lim, Yoon-kyu 대한수의학회 2002 大韓獸醫學會誌 Vol.42 No.1
The present study was conducted to investigate the pattern of fracture of 50 Thoroughbred foals in Jeju from January 1997 to August 2001. A total 50 Thoroughbred foals were investigated to figure out the relationship between breeding condition and fracture. The fracture was diagnosed by physical and radiological examinations after lameness test. Most sites of fracture were limb, skull and vertebrae. Age analyzed that the most popular is the 1-year-old foals. Most places of the occurrence of the fracture were pasture, paddock, track and stable. Main cause of the fracture were play, training and foal's dam. These results suggest that there were the 1-year-old foals have a lot of fracture during play at pasture in winter.
양재혁,양영진,조길재,정우준,이주율,김진영,우호춘,임윤규,Yang, Jae-Hyuk,Yang, Youug-Jin,Cho, Gil-Jae,Jung, Woo-Jun,Lee, Ju-Yool,Kim, Jin-Young,Woo, Ho-Choon,Lim, Yoon-Kyu 대한수의학회 2002 大韓獸醫學會誌 Vol.42 No.3
A chronic wasting disease in a 10-month-old Thoroughbred filly is described. The filly presented with chronic colic, which was charactered by progressive loss of weight. Over a period of a couple of days the filly suffered from serious colic and subsequently. Post-mortem examination revealed the cecocolic intussusception as a total invagination of the cecum into the right ventral colon. It seems logical to assume this invagination occurred at the start of the illness. In addition, there were also Anoplocephalar perfoliata in the cecum and the right ventral colon.
Thoroughbred 씨암말에서 난산과 연관된 자궁각 중첩 예
양재혁,양영진,김희석,강태영,임윤규,Yang, Jae-Hyuk,Yang, Young-Jin,Kim, Hee-Seok,Kang, Tae-Young,Pham, Duc Chuong,Lim, Yoon-Kyu 대한수의학회 2004 大韓獸醫學會誌 Vol.44 No.1
Horses that have been retired from racing or imported from abroad are retired as broodmares. Whether at private farms or government institutes they are bred to stallions with the aim of improving fertility and enhancing the breed. Accidental deaths as a result of surgical or obstetrical complications lead to decreased productivity and economic losses to the horse breeding industry. Intussusception of the uterine horn is a frequent complication of the equine and bovine species, but rarely seen in other species. The most common causes are thought to be tearing of the placenta which is suspended from the uterus and ovaries and the weight of the placenta. Expulsion of the embryonic membranes is also thought to be a contributing factor. If symptoms are minor and treatment affected quickly, the problem will likely resolve itself. In more severe cases the uterus will prolapse completely. This case study was observed in a Thoroughbred broodmare. After treatment of dystocia, the broodmare could not stand up. She became dehydrated, collapsed, suffered colic and was euthanised. In this case was observed serious swelling vulva and perineal region by morphology, and there was seldom ascites and unusual view in thoracic and abdominal cavity after opening abdomen. However, intussusception of uterine horn involuted left uterine horn into the uterine body was observed.
양재혁,박용수,Yang, Jae-Hyuk,Park, Yong-Soo Korea National University of Agriculture and Fishe 2016 현장농업연구지 = Journal of practical agricultural resear Vol.18 No.1
말의 복지는 생리적 및 심리적 필요의 만족에 좌우된다. 본 연구의 목적은 말목장에서 펜스의 안전을 평가하기 위함이다. 행동장애(Cribbing)를 가진 Thoroughbred 수망아지 한 마리가 패독에서 폐사한 채 발견되었다. 패독의 펜스는 4개의 파이프로 만들어졌고, 망아지는 위에서 2번째 파이프를 무는 행동장애를 하였다. 그러나 그 망아지는 얼굴을 빼지 못하였는데 그 이유는 아래턱이 1번째 파이프에 걸렸고 앞니가 2번째 파이프에 끼었기 때문이다. 그래서 망아지는 얼굴을 빼기 위해서 사투하는 동안에 당황하였고, 쓰러졌으며 결국 교사하였다. 안전펜스는 말목장에 필수적이고 그 기능은 말을 보호하는 것이지만 위해를 가하였다. 말의 안전한 관리를 위하여 말 얼굴길이와 파이프의 간격을 고려하여야한다. 말이 패독에 있을 때 입마개를 씌울 필요가 있는지 더 연구가 필요하다. 본 연구는 말산업에서 펜스타입과 안전성평가에 중요한 벤치마크를 제공하였다.
Thoroughbred 말에서 sand impaction과 연관된 대결장 파열 1례
양재혁,양영진,문자호,김한나,황규계,임윤규,Yang, Jae-Hyuk,Yang, Young-Jin,Moon, Ja-Ho,Kim, Han-Nah,Hwang, Kyu-Kye,Lim, Yoon-Kyu 대한수의학회 2005 大韓獸醫學會誌 Vol.45 No.4
The disease causing colic is the greatest cause of death in the domestic horse population today and accidental deaths as a result of colic leads to decreased productivity and economic losses in the horse breeding industry. Large colon impaction is the most common cause of colic in horses. Horses may ingest sand either by eating from the ground in sandy locations, or because of its inclusion in hay. In certain areas sand impaction is relatively common. The horse (4 year, female) presented with abdominal pain, which was charactered by willing to lie down, pawing, and looking at flank. A month later, the horse died suddenly at sand paddock. Post-mortem examination revealed the sand impaction as a lot of feces, sand and gravels in the right dorsal colon. In addition, there was necrosis and debilitation in mucosal lining of the large colon and rupture site on the right dorsal colon. The purpose of this article is to review sand impaction and emergencies in Thoroughbred horses.
Thoroughbred 씨암말에서 자궁파열과 연관된 대장탈출증 및 망아지의 각인 1례
양재혁,양영진,이용덕,김수연,김희석,강태영,황규계,임윤규,Yang, Jae-Hyuk,Yang, Young-Jin,Lee, Yong-Duk,Kim, Su-Yeon,Kim, Hee-Seok,Kang, Tae-Young,Hwang, Kyu-Kye,Lim, Yoon-Kyu 대한수의학회 2005 大韓獸醫學會誌 Vol.45 No.4
In this report, we described a case of acute colic with uterine rupture in a Thoroughbred broodmare during parturition. A 14-year-old broodmare showed acute colic characterized by rolling just after delivering of a healthy foal. Large intestine was prolapsed through vulva, contaminated with soil and its serosa was heavily damaged. We performed a euthanasia according to the owner's request. Post mortem examination revealed about 15 cm rupture on ventral side of the uterus. In addition, the orphan foal follow his owner after necropsy on his dam.
외측 반월상 연골 재이식술 후 발생한 양동이형 파열 - 증례 보고 -
양재혁,김택선,박성범,윤정로,Yang, Jae-Hyuk,Kim, Taik-Sun,Park, Sung-Bum,Yoon, Jung-Ro 대한관절경학회 2012 대한관절경학회지 Vol.16 No.1
반월상 연골 이식술은 젊은 환자에서 반월상 연골 제거술을 받은 환자에서 권장할 만한 술식으로 받아들여지고 있다. 그러나 수술 후 발생하는 합병증으로 인하여 임상결과가 제한 받을 수 있다. 반월상 연골 이식술 후 가장 흔한 합병증은 이식 연골의 파열이다. 술 후 양동이형 파열의 발생은 드물며, 반월상 재이식술 후 양동이형 파열은 더욱 보고가 드물다. 저자들은 외측 반월상 재 이식술 후 양동이형 파열을 경험하였으며, 후향적 조사상 양동이형 파열에 대해 원인을 규명할 수 있었으며, 이를 근거로 재발 방지에 대한 방법을 모색하고자 한다. Meniscal allograft transplantation (MAT) is an accepted treatment for the symptomatic postmeniscectomized knee in younger patients. However, the likelihood of a successful outcome is reduced by various complications. One of the complications after MAT is manifested as grafted meniscal tear. However, a bucket handle meniscal tear (BHMT) following MAT is an uncommon complication and furthermore a BHMT after revisional MAT (RMAT) is a extremely rare complication. We encountered a case of BHMT after RMAT in a lateral meniscus. Retrospectively reviewing the case, we could assume the cause, which would be helpful to prevent the complication in further MAT procedures.
Thoroughbred 포유 망아지에서 Ascarid Impaction 1례
양재혁,양영진,김성희,정종태,이경갑,우호춘,황규계,임윤규,Yang, Jae-Hyuk,Yang, Young-Jin,Kim, Sung-Hee,Chuong, Pham Duc,Cheong, Jong-Tae,Lee, Kyoung-Kap,Woo, Ho-Choon,Hwang, Kyu-Kye,Lim, Yoon-Kyu 대한수의학회 2004 大韓獸醫學會誌 Vol.44 No.4
A variety of enteric deseases may result in the manifestation of abdominal pain in horse. An acute colic in a 5-month-old Thoroughbred filly is described. The filly was presented with acute colic characterized by rolling and pawing. Next day she suffered from severe abdominal pain and subsequently died. Post mortem examination revealed very heavy ascarid, Parascaris equorum (P. equrum) infection in cmall intestine. In addition, it is also noted the presence of P. equorum in the stomach. Infection due to P. equorummanifests itself in foals between 6-8weeks and one year of age. P. equorum is a common and ubiquitous parasite that persists for many years in stables and on pasture in spite of good hygiene and anthelmintic control programs.
양재혁(Jae Hyuk Yang),황인지(In Ji Hwang),송지호(Ji Ho song),이누리샘(Noo ri saem Rhee),우영종(Young Jong Woo),김영옥(Young Ok Kim) 대한소아신경학회 2016 대한소아신경학회지 Vol.24 No.2
쯔쯔가무시병은 O. tsutsugamushi에 감염된 털진드기의 유충에 물려 발생하는 질환으로 발열, 두통, 근육통 등의 증상을 보이며, 신경학적 증상이 나타나기도 한다. 가피는 쯔쯔가무시 진단에 중요하지만 30% 정도에서는 관찰되지 않는다. 저자들은 가피 및 직접 노출된 병력이 없어 진단이 늦어졌던, 쯔쯔가무시 수막뇌염 환아 증례를 경험하였기에 보고하고자 한다. 타병원에서 무균성 뇌수막염 진단을 받고 5일간 치료한 6세 남자 환자가 지속되는 발열과 이후 발생한 의식의 쳐짐, 반복되는 경련을 주소로 전원되었다. 타병원에서 시행한 뇌척수액 검사에서 백혈구 증가(292개/mm3)를 보였으나 척수액 당과 단백은 정상 이었고, 세균 및 바이러스는 검출되지 않았으며, 뇌 자기공명영상은 정상이었다. 입원 후 시행한 뇌파검사에서 전반적으로 느린 서파와 양쪽 전두엽 쪽의 예파가 관찰되었고, 불명열에 대해 시행한 혈액검사에서 쯔쯔가무시 항체가 양성이었다. 환아는 피부 가피가 없고, 직접적으로 노출된 병력도 없었지만 할머니가 2주 전 쯔쯔가무시로 진단받아 치료받았고, 자주 환아와 접촉하였던 아버지도 같이 농장 일을 했었다고 했다. 따라서, 아버지의 오염된 옷이 환아에게 쯔쯔가무시병을 옮긴 매개체로 생각된다. 환아는 clarithromycin, me thylprednisolone, immunoglobulin 치료 후 호전되어 14일째에 퇴원하였다. 쯔쯔가무시병은 가피가 없이 발생하기도 하며, 오염된 옷이 매개체가 될 수 있으므로 유행하는 시기에 수막뇌염으로 내원하는 환아에서는 진단에 고려해야 할 것이다. Scrub typhus caused by Orientia tsutsugamushi manifests as fever, headache, myalgia and sometimes central nervous system dysfunction after mite bite. Eschar is an important diagnostic factor for scrub typhus but can be absent in about 30% of cases. We report a 6yearold boy with scrub typhus meningoencephalitis, in whom diagnosis was late due to absence of eschar and direct exposure history. He was transferred to our hospital due to altered mental status and seizures following sustained fever. Previously, he had been diagnosed with aseptic meningitis as cerebrospinal fluid examination showed pleocytosis with normal range of glucose and protein. No pathogen had been proven and no abnormalities had been found in brain magnetic resonance imaging. On admission to our hospital, electroencephalography showed diffuse delta slowing with bilateral frontal sharps and scrub typhus antibody was positive, although the patient had no eschar. Family historytaking revealed his grandmother had been recently treated for scrub typhus and his father helping her farm and often cared for the patient wearing his working pants, as a possible vehicle of infection. Recovery was gradually upon treatment with clarithromycin, intravenous methylprednisolone and immunoglobulin. As scrub typhus can be present without eschar and can be transmitted through contaminated clothes, it needs to be considered for patients presenting with meningoencephalitis in a vulnerable season.