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소아 서혜부 탈장과 음낭수종에서 예방적 반대측 수술의 필요성에 대한 연구
한영진,남소현,김대연,김성철,김인구,Han, Young-Jin,Nam, So-Hyun,Kim, Dae-Yeon,Kim, Seong-Chul,Kim, In-Koo 대한소아외과학회 2008 소아외과 Vol.14 No.1
Prophylactic contralateral exploration in unilateral inguinal hernia repair is still controversial. The purpose of this study is to analyze the contralateral incidence of hernia and to verify the necessity of the simultaneous contralateral exploration. Infants and children operated on for inguinal hernia or hydrocele at the Department of Pediatric Surgery of Asan Medical Center from January 1996 to December 2005 were analyzed retrospectively. A total of 383 patients (9.8 %) out of 3,925 patients underwent a simultaneous bilateral operation. A total of 222 patients (6.2 %) out of 3,542 patients underwent a secondary metachronous contralateral operation after primary unilateral inguinal hernia or hydrocele repair. Because simultaneous bilateral operation cases included true bilateral inguinal hernia or hydrocele, and unilateral hernia and simultaneous contralateral exploration, bilateral incidence of inguinal hernia and hydrocele could be maximally considered as 15.4% (605 patients). Therefore, the prophylactic contralateral exploration in unilateral inguinal hernia or hydrocele should be determined carefully in considering history and physical examination of the patients, and postoperative complications.
시뮬레이션 기반 배전반 검사장비 교체의 타당성 분석에 관한 사례연구
한영진(Young Jin Han),이도윤(Do Yoon Yi),홍준표(Jun Pyo Hong),주성호(Sung Ho Joo),김기민(Gi Min Kim),박재훈(Jaehun Park) 한국산업경영시스템학회 2022 한국산업경영시스템학회지 Vol.45 No.1
This study deals with replacement analysis of deteriorated equipment for improving productivity of production system. Frequent breakdown of the deteriorated equipment causes a situation that reduces productivity such as low product quality, process delay, and repair cost. However, the replacement of new equipment will be required a high initial investment cost, so it is important to analysis the economic feasibility. Therefore, we analyze the effect of the production system due to the aging effect of the equipment and the feasibility of equipment replacement based on the economic analysis. The process flow, working time, logistics movement, etc. are analyzed in order to build the simulation modeling for a ship and land switchboard production system. Using numerical examples, the economic feasibility analysis of equipment replacement through replacement of existing deteriorated equipment and additional arrangement of new facilities is performed.
한영진(Young Jin Han),최 훈(Huhn Choe) 대한통증학회 1993 The Korean Journal of Pain Vol.6 No.2
A 26 year old male patient had admitted to the department of plastic surgery for the treat- ment of skin defect of forearm and spastic contracture of right hand, attributable to burn inju- ry following carbon monoxide intoxication. After receiving skin graft the patients tenotomy of flexor tendons, the patients was consulted to pain clinic for further evaluation and treatment of allodynia, hyperalgesia, and hyperpathia with marked emotional insufficiency. The patient was treated with stellate ganglion blocks, intermittent or continuous epidural blocks, and in- termittent brachial plexus blocks for 3 months. with this treatment the patients pain level improved to(VAS l0 to 4-5) and was discharged. The patient was readmitted 3 months later, due to the aggrzvation of pain. Brachial plexus blocks were given again by interscalene, supraclavicular, or axillary route, sometimes using a catheter, together with cervical epidural blocks. Tricyclic antidepressant was also prescribed. The results were remarkably good(VAS 2 -3) and the patient did not require any further analgesic medication.
한영진(Young Jin Han),최 훈(Huhn Choe) 대한통증학회 1994 The Korean Journal of Pain Vol.7 No.2
A 43 year old male patient injured in a traffic accident was admitted to the department of general surgery for the treatment of spleen rupture and multiple rib fractures. After subphrenic abscess occurred after splenectomy was treated. After 50 days of admission, left fa-cial palsy occurred with sensory neural hearing loss, and tinnitus by longitudinal fracture of left temporal bone. The patients was consulted to pain clinic for further evaluation and treat- ment. The patient was treated with stellate ganglion block with 1% lidocaine 6ml one time daily. On 19th day, stellate ganglion block was given as usual, and the patient complained of pain in the neck and headache the next day. Two days later, mild fever elevation and hematoma in the neck were found. Hematoma was drained with hemovac. Ruptured muscular branch of ver- tebral artery was ligated surgically but the ligation was released in the next day and the hema- toma was removed and the artery religated. Five units of packed RBC were transfused during the period and the patient was discharged without any sequelae.
이상근 증후군의 치료를 위한 미추차단의 효과 ( 증례보고 )
한영진(Young Jin Han),최 훈(Huhn Choe),최현규(Hyun 대한통증학회 1991 The Korean Journal of Pain Vol.4 No.1
N/A Piriformis syndrome is a syndrome of low back and leg pain thought to be due to chronic con- tracture of the piriformis muscle that causes irritation of the sciatic nerve. We have utilized an alternative approach using cauaal steroid in local anesthetics injeetion in the treatment of piriformis syndrome. I it was a very effective method without any complica- tions.
한영진(Young Jin Han),이환호(Hwan Ho Lee),홍종철(Jong Chul Hong),김우성(Woo Sung Kim) 대한두경부종양학회 2007 대한두경부 종양학회지 Vol.23 No.2
Schwannoma is a slow-growing benign tumor of neurogenic origin. The lesion is derived from the Schwann cells surrounding neural tissue. It can grow in almost all regions of the body. Schwannoma of the external auditory canal is a rare finding. Recently, we experienced schwannoma of the external auditory canal of a 29-year-old female who had surgical removal completely and verified histopathologically as schwannoma.