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RISS 인기검색어
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- 저자 : 정제훈 ( Je Hoon Jeong ) (검색결과 6 건)
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후순환계 뇌동맥류의 임상양상과 치료예후 - 전순환계 동맥류와의 비교분석을 중심으로 -
정제훈,김국기,고준석,임영진,김태성,임언,이봉암,Jeong, Je Hoon,Kim, Gook Ki,Koh, Jun Seok,Lim, Young Jin,Kim, Tae Sung,Leem, Won,Rhee, Bong Arm 대한신경외과학회 2001 Journal of Korean neurosurgical society Vol.30 No.9
Object : With the recent variable treatment modalities and the development of microsurgical techniques, outcomes of surgical and medical management of aneurysm have shown much progress in the last 10 years. However, the management of posterior circulation aneurysm is still a debatable due to its difficulty in limited surgical approach, complicated anatomical structure and many small perforators to vital structure. The purpose of this study is to compare the results of clinical manifestation and outcome of surgery with respect to anterior and posterior circulation aneurysms. Material and Methods : We evaluated the 33 patients with PCAs(posterior circulation aneurysm) and 359 patients with ACAs(anterior circulation aneurysm) treated between 1994 and 1999, retrospectively. Results : Posterior circulation aneurysms showed higher tendency(5 cases, 14.7%) to have unusual shapes, such as dissecting or fusiform compared with anterior circulation aneurysm(15 cases, 4.2%). There were more multiple aneurysms in posterior circulation aneurysm(8 cases, 26.5%) than anterior circulation aneurysm(59 cases, 16.2%). The number of patients with Hunt-Hess grade III or IV on admission were 91(25.3%) in anterior circulation aneurysms, and 14(42.4%) in posterior circulation aneurysms. There were higher incidences of vasospasm and acute hydrocephalus in patients with posterior circulation aneurysm. In cases of anterior circulation aneurysm, neck clipping was possible in 97%. But, in posterior circulation aneurysm, neck clipping was possible only in 67.7% of each. Two hundred forty four cases(85.0%) of all anterior circulation aneurysms and 22 cases(78.6%) of all posterior circulation aneurysms showed good recovery(GR) or moderate disability(MD). The postoperative mortality rates of anterior and posterior circulation aneurysms were 4.9% and 10.7%, respectively. Conclusion : These results indicate that there exist substantial differences with respect to that there were few difference in the aspect of surgery and management outcome between posterior circulation aneurysms and anterior circulation aneurysms.
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정제훈,임언,이기택,임영진,김태성,김국기,이봉암,Jeong, Je Hoon,Leem, Won,Lee, Ki Taeck,Lim, Young Jin,Kim, Tae Sung,Kim, Gook Ki,Rhee, Bong Arm 대한신경외과학회 2001 Journal of Korean neurosurgical society Vol.30 No.8
The report of massive intratumoral hemorrhage from vestibular schwannoma is rare. A 66-year-old female who had suffered from disturbance of hearing for one year developed severe headache and dizziness. Brain MRI showed crescent shaped mass in the left cerebellopontine angle. A left suboccipital approach revealed an $3{\times}3cm$-sized encapsulated mass. The tumor was totally extirpated together with clot. Histologically the tumor was schwannoma with massive hemorrhage. Postoperative course was uneventful. The authors report the rare case of vestibular schwannoma presenting with intratumoral hemorrhage with review of possible pathophysiology and associated factor.
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김선도 ( Seon Do Kim ),정제훈 ( Je Hoon Jeong ),한찬훈 ( Chan Hoon Haan ) 충북대학교 건설기술연구소 2015 建設技術論文集 Vol.34 No.2
건축물에 발전에 따라서 주거환경은 도시화, 산업화로 인한 열섬현상과 공기질 저하, 교통 소음 및 재해 환경요염 및 녹지면적의 절대적인 부족 등의 다양한 문제로 병들어 있다. 특히 소음으로 인한 문제는 쾌적한 주거환경을 요구하는 거주자에게 상당한 불쾌감과 스트레스를 주고 있다. 이러한 현상들은 삶의 질이 윤택해짐에 따라서 불쾌감의 정도가 끊임없이 올라가고 있다. 때문에 소음에 관한 규정이 생기고, 이에 따라서 건축은 변화하고 있는 시점이다. 소음 및 진동에 관한 민원사항의 대부분은 교통 소음에 관한 것으로써 이를 위하여 주택가, 고속도로 주면, 공장 지대, 학교 주변 등을 중심으로 방음벽의 설치가 꾸준히 증가하는 추세이다. 하지만 이러한 방음벽 설치의 확대가 모든 소음을 저감하는 것은 아니다. 분명 방음벽은 도로교통 소음의 저감에 효과를 보기는 하지만 소음저감량은 이론상 최대 15~20dB(A)까지로 제한적일 수밖에 없다. 하지만 이러한 건축물의 증가함에 따라서 사람들은 쾌적성을 요구하고 있다. 방음벽의 소음저감량을 높이기 위해서는 방음벽의 높이를 증가시키는 방법이 있지만 법규에 따라서는 높이에 한계가 있다. 이러한 한계를 극복하기 위해서는 방음벽 상부구조물을 설치하여서 소음저감량을 높여야 한다. 방음벽 상부구조물을 설치하면서 형태에 따라서 삽입손실량을 비교하고 최적의 형태의 방음벽 상부구조물을 찾고자 하였다. Noise barriers are widely used in and around the residential area. However, the noise reduction efficiency is not satisfied with the comfort of residents. In order to increase the noise reduction of the noise barriers, various upper structures have been introduced and used nowadays. The present study investigates the insertion losses of the noise barriers with different shapes of upper structure. Seven different upper structures were designed and applied to a noise barrier under same conditions. Computer simulations were undertaken to calculate the insertion losses using 3-D models of noise barriers. As a result, It was found that insertion loss of noise barriers with Y and T -shaped upper structures is greater than those with ㄱ and L-shaped upper structures. It is because the Y and T-shaped upper structure overgrow along the axis of the noise sources and measurement points while ㄱ and L -shaped upper structures stretch to one side of noise barrier.
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측두골 골절후 발생한 안면마비 환자의 안면신경감압술: 25명 환자들의 증례분석
남한가위 ( Han Ga Wi Nam ),황형식 ( Hyung Sik Hwang ),문승명 ( Seung Myung Moon ),신일영 ( Il Young Shin ),신승훈 ( Seung Hun Sheen ),정제훈 ( Je Hoon Jeong ) 대한외상학회 2013 大韓外傷學會誌 Vol.26 No.3
Purpose: The aim of this study is to present a retrospective review of patients who had a sudden onset of facial palsy after trauma and who underwent facial nerve decompression. Methods: The cases of 25 patients who had traumatic facial palsy were reviewed. Facial nerve function was graded according to the House-Brackmann grading scale. According to facial nerve decompression, patients were categorized into the surgical (decompression) group, with 7 patients in the early decompression subgroup and 2 patients in the late decompression subgroup, and the conservative group(16 patients). Results: The facial nerve decompression group included 8 males and 1 female, aged 2 to 86 years old, with a mean age of 40.8. In early facial nerve decompression subgroup, facial palsy was H-B grade I to III in 6 cases (66.7%); H-B grade IV was observed in 1 case(11.1%). In late facial nerve decompression subgroup, 1 patient (11.1%) had no improvement, and the other patient(11.1%) improved to H-B grade III from H-B grade V. A comparison of patients who underwent surgery within 2 weeks to those who underwent surgery 2 weeks later did not show any significant difference in improvement of H-B grades (p>0.05). The conservative management group included 15 males and 1 female, aged 6 to 66 years old, with a mean age of 36. At the last follow up, 15 patients showed H-B grades of I to III(93.7%), and only 1 patient had an H-B grade of IV(6.3%). Conclusion: Generally, we assume that early facial nerve decompression can lead to some recovery from traumatic facial palsy, but a prospective controlled study should and will be prepared to compare of conservative treatment to late decompression.
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