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하기용,Wee, Dennis,장정호,김완호 대한척추외과학회 1997 대한척추외과학회지 Vol.4 No.1
Study Design : A retrospective analysis was performed on 19 patients, aged 70 years or over, who had decompressive surgery with or without fusion for degenerative lumbar stenosis. Objective : To analyze the result of spinal surgery in elderly patients with degenerative lumbar stenosis and to present possible complication following surgery. Summary of Background Data : In elderly patients who had degenerative lumbar stenosis, decompression is the most important factor in relieving symptoms and that the addition of spinal fusion would increase the postoperative morbidity. The long-term outcome of decompressive surgery in the elderly does not differ from that reported for younger patients. Methods : All patients were divided into 2 groups by surgical method. One group, consisting of 8 patients, underwent decompressive laminectomy and the other group, consisting of 11 patients, underwent decompressive laminectomy and fusion with instruments. The comparative analysis was performed between decompressive group and fusion group. Results : Overall, 72.5% of the patients had an excellent and a good results. There was no differences of overall clinical outcome between two surgical groups. As a complication, there was no significant complication in a decompressive group. In a fused group, however, significant complication developed. One patients died of unknown origin immediately after surgical intervention for failed back surgery syndrome. Radiographic nonunion and fracture adjacent to fused segments developed in one, respectively. Conclusions : Extra-careful preoperative evaluation must be done in order to recognize and minimize perioperative complications associated with major surgeries in more fragile patients especially who had failed back surgery syndrome. Wide decompressive laminectomy for spinal stenosis with segmental instability should be performed with fusion concomitantly to prevent postoperative instability regardless of patient's age.
하기용,김영훈,나기태,기세린 대한척추외과학회 2014 대한척추외과학회지 Vol.21 No.1
Study Design: A review of related literatures of diagnosis and treatment of spinal tuberculosis. Objectives: The aim of the study was to discuss treatment strategies by understanding of emerging problems related to spinaltuberculosis. Summary of Literature Review: Owing to modern diagnostic modalities, development of prevention and chemotherapy, the incidencesof tuberculosis infection including spinal tuberculosishave been decreasing. Moreover, these medical these improvements of medicaland surgical treatments the improvement of surgical techniques for spinal tuberculosis reduced the incidence of kyphosis or neurologiccomplications such as Pott’s paralysis. Materials and Methods: Review of related literatures. Results: Recently,the occurrence of multi-drug resistant strain, an increasing number of opportunistic infections and an atypicalpresentation in spinal tuberculosis are emerging as new challenges. Conclusions: An appropriate diagnosis and surgical interventions are our obligation as clinicians dealing with this unique infectiousdisease to minimize the complications for the treatment of spinal tuberculosis. 연구 계획: 척추결핵의 진단과 치료방법에 대한 문헌고찰목적: 척추결핵의 진단 및 치료에 있어서 새롭게 제시되고 있는 사항에 관한 문헌 고찰을 통하여 이의 치료 지침에 대하여 논의하고자 한다. 선행문헌의 요약: 조기 진단, 예방법의 발전 및 화학요법제의 발전으로 과거에 비하여 전체 결핵 및 척추 결핵의 발병률은 과거에 비하여 많이 감소하였으며, 척추결핵의 수술 치료의 발전으로 후만변형 및 Pott씨 마비와 같은 합병증의 발생률 또한 감소하였다. 대상 및 방법: 문헌 고찰결과: 최근 다제내성균의 출현, 면역억제 환자에서 기회감염의 증가 및 비전형적인 척추 감염의 발생 증가 등으로 척추 결핵의 진단 및 치료에 있어서새로운 국면을 맞고 있다. 결론: 척추 결핵의 진단에 대한 주의와 치료에 있어서 외과적 치료의 목적을 고려하여 적절한 시기에 적절한 수술적 방법을 선택하여 합병증이 최소화되는 치료를 제공 할 수 있도록 노력해야 할 것으로 생각한다.
A New Waxy Rice Cultivar with Multiple Disease Resistance and High Yield, “Boseogchal”
하기용,김정곤,이재길,고재권,김기용,고종철,정진일,김영두,Man-Gee Baek,Bo-Kyeong Kim,Jeong-Kwon Nam,So-Hyeon Baek,Kwang-Yong Jung 한국육종학회 2006 한국육종학회지 Vol.38 No.5
Boseogchal is a new japonica rice cultivar developed from the three-way cross of Hwayoung, Tamjin and Sinseonchaltransplanting to harvesting. This cultivar shows multiple resistant reactions to the bacterial blight (K1 race), leaf blast and stripevirus disease. Boseogchal yielded about 5.21 MT/ha in milled rice under the standard fertilizer level of the ordinary transplantingcultivation. Boseogchal is adaptable to the middle plain of Honam area in Korea.
벼 저장온도 및 저장기간이 미질 관련 형질에 미치는 영향
하기용,박홍규,고재권,김정곤,최윤희,김기영,김영두 韓國作物學會 2006 Korean journal of crop science Vol.51 No.1S
장기 저장시 취반특성에 영향을 주는 벼 품종간 저장온도 및 저장기간에 따른 색도 변화, 지방산 함량 및 식미치 등 쌀 품질저하에 관여하는 요인을 구명하고자 실험을 수행하였는바 그 결과는 다음과 같다. 1. 색도(b값)는 모든 품종에서 저장온도가 높을수록, 저장 기간이 경과할수록 증가하는 경향으로 상온저장이 저온(5~10℃,10~15℃) 저장보다 높았으며, 저온저장의 경우 6개 월 후부터, 상온저장의 경우 4개월 후부터 b값이 뚜렷이 증가하였다. 2. 공시품종중 조생종 품종인 삼천벼가 가장 높은 색도 증가를 보였으며 중생종 품종인 간척벼, 세계화벼가 중만생 품종인 동진벼와 호진벼보다 높은 증가를 나타내었다. 3. 토요 식미치는 품종간 차이가 있으나, 상온저장시 저온저장에 비하여 저장기간이 경과함에 따라 감소 폭이 커서 저온 저장보다 낮았는데, 저온저장시는 8개월 저장 후부터 약간 감소하였고, 상온저장시는 2개월 후부터 큰 폭으로 감소하였다. 4. 저장온도간 토요 식미치는 5~10℃ 에서 감소 폭이 가장 적었고 품종간에도 색도에서와 마찬가지로 조생종 품종일수록 감소폭이 컸다. 5. 현미 지방산도는 저장 2개월 후부터 증가하기 시작하여 저장기간이 경과할수록 큰 폭으로 증가하였고, 상온저장시 저온저장시보다 증가폭이 컸다. This study was carried out to investigate physiochemical properties and factors related with eating quality in the rice and paddy rice with different storage methods. As storage period was longer and temperature was higher, the b values of chromaticity and degree of fatty acid were increased, and the b value of room temp. was higher than that of low temp. In the varieties, the b value of Samcheonbyeo was the highest among varieties. also b value of Gancheokbyeo and Sae-gyehwabyeo were more increased than those of Dongjinbyeo and Hojinbyeo. Toyo meter values were significantly different according to storage temperature and period. Toyo meter values in storage of low temp. small decreased from 8 month after storages and that of loom temp. was severe decreased from 2 month after storages. In storage of low temp, Toyo meter values in storage of low temp. (5~10~circC) was the lowest, and those of the early varieties were the most decreased. Degree of fatty acid of brown rice was increased from 2 month after storages and those of low temp. was severe increased. So, they made rice quality and eating quality to be deteriorated