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제1. 2경추간 측방천자(Lateral Puncture)법에 의한 척추조영술에 대한 수기 및 임상경험
윤승호 충남대학교 의과대학 지역사회의학연구소 1984 충남의대잡지 Vol.11 No.1
A lateral puncture for the cervical spine myelography is seldom use until mow, but recently this technique is very popular to Neruosurgen to conform and to diagnosiss of the cervical tumor and obstruction of canal with fracture on the cervical spine. Here, we report these technique and clinical value on the cervical spine fracture without damage on the spinal cord, also review of literatures.
윤승호 충남대학교 의과대학 지역사회의학연구소 1982 충남의대잡지 Vol.9 No.2
Total Hip Replacement is well documented and widely used procedure for painful arthritic hip in past twoo decades, and each year still seems to be increased in number of Total Hip Repalcement. And recently, there is a few reports of follow-up Study, on Total Hip Replacement arthroplasty in our country. The aim of this study was to present the clinical material which was performed on the 27 hips of 21 patients who were trated at Dept. of Orthopedic Surgery, College of Medicine, Chumgnam University, from Jan, 1979 to Jan. 1982. The longest follow-up was 4 years 5 months,, shortest was 8 months, the average time was 2 year 8 months. The results were obtaind as follows: 1. The age incidence ranged from 26 to 69 years, and average were 47 years old. 2. There were 17 males(81%) and 4 females (19%). 3. The causes of hip diseases were mostly avascular necrosis of femur head(67%). 4. The most commonly used prosthesis were Muller type with trochanteric osteotomy approaches. 5. Several complications are finded; perforation of acetabulum with bonecement in pelvis, post-operative pneuminia, wire brackage and painful bursitis aroud the tro-chanter which was on osteotomy sites. 6. Post-operative functional evaluation was evaluated by the method of d!Aubigne and Postel, and inproved from 10.00 scores to 15.8 scors Relief of pain is the most effect of the Total Hip Replacement Surgery in this studies. But cases are not so enogh to more detail evaluation, especially, tine problem of loosing of stem and acetabular cup wearing and heterotopic bone formation after Total Hip Replacement.
윤승호,김학영 충남대학교 의과대학 지역사회의학연구소 1980 충남의대잡지 Vol.7 No.2
During January 1975 to December 1979, myelographic studies followed by operation was carried out on 150 cases of lumbar H. I. V. D. at Chung Nam Nationl University Hospital. As to the myelographic findings, mode, level of indentation, and positive and negative finding were analysed in comparison with operative findings. The followings results were obtained : 1. Plain radiography has a. little value in diagnosis of lumbar H. I. V. D. about one third of 150 cases show significant sign in plain film study. 2. The major discrepancies between myelographic and operative findings were found in 11.3%, while the miner discrepancies were 4%, so giving an accuracy of 84.7%. 3. Positive myelographic finding consisted of smooth round defect in 83 cases (48.8%), unilateral wedge defect in 45 cases(26.4%), block defect in 18cases(10.5%), bilateral wedge defect in 13 cases(7.6%), and hourglass defect in 11 cases(6.4%), respectively. 4. Operative findings revealed the protruded disc: 74.5%, bulging : 11.1%, extruded : 22%, and migrated : 1.7%. 5. The myelographic finding of bulging type disc usually showed smooth round filling defect and those of protruded were smooth round filling defect, wedge shape and block shape, while the extruded type revealed smooth round filling defect in the most cases. 6. The myelography can be a valuable aid in the determination of the level and degree of H. I. V. D. and very helpful in differential diagnosis.
윤승호,조성일,신현대 충남대학교 의과대학 지역사회의학연구소 1989 충남의대잡지 Vol.16 No.2
The transfusion in total hip replacement is essential procedure for replacing of circulatory blood volumn and coagulation factor. But still not fixed in transfusion method and matrial, because transfusdion of homologous blood have a many complication, such as allergic reactions, febrile reaction, bemolytic reactions, isosensitization, bacteremia and the transmission of disease. Clinical evaluation was perfoemed for 72 patients who has recieves total hip replacement iwth transfusion. 1. The most frequent etiologic factor of total hip replacment was idiopathic avascular necrosis of femoral head(54 cases, 75%), follow by traumatic avascular necrosis of femoral head(9 cases), rheumatoid arthritis(5 cases), Tuberculosis of the hip(2 cases), and osteoarthritis of the hip(2 cases). 2. Average blood loss in total hip replacement was 1198.6 ml; Intraoperatively 578 ml and post operatively 620.6ml 3. Preoperative Hct was 38.4 and average blood transfusion amount was 4.83 U. Postoperative Hct was 34.8 4. Comparason between whole blood group and packed red cell or packed red cell with fresh frozen plasma group; Average transfusion amount in whole blood group was 4.32 U, and 5.13 U in PRC or PRC with FFP but no significance, statistically.
윤승호,손민균 충남대학교 의과대학 지역사회의학연구소 1994 충남의대잡지 Vol.21 No.2
Injury of the hypoglossal nerve may result from direct trauma, compression by tumor or abscess, radiation therapy and surgical complication such as carotid endarterectomy. But routine conduction method for hypoglossal nerve is not established. We studied the hypoglossal nerve in 25 normal adult subjects with submandibular surface stimulation and concentric needle recording in the tongue muscle through intraoral and submandibular approach. The onset latency of 50 hypoglossal nerves was 2.34±0.26 msec and 1.36±0.14 msec by intraoral and submandibular approach respectively. The peak to peak amplitude was 9.6±4.5 mV in intraoral approach and 29.7±8.7 mV in submandibular approach. This nerve conduction study is reliable and simple method and should be helpful in detection of the degree and progression of the hypoglossal nerve lesion.
윤승호,김봉옥,손민균,임종훈 충남대학교 의과대학 지역사회의학연구소 1995 충남의대잡지 Vol.22 No.2
Amblyopia is poor vision without anatomic abnormality in the eye and can not be improved by lenses. It usually occurs in one eye as a consequence of visual deprivation during the critical period, but has relative good prognosis by early diagnosis and treatment. Conventional evaluation methods are difficult to apply in infants and preverbal aged children because of poor cooperation. The purpose of the present study is to assess the usefulness of visual evoked potentials in the diagnosis of amblyopia. Visual evoked potentials were measured by reversing checkerboard and/or LED goggles stimulation in thirty-nine amblyopic patients and twenty control subjects. The latencies are not different between normal and amblyopic group and also intereye comparison. But amplitude is significant different between two groups by pattern reversal and LED goggle stimulation. But the sensitivity is higher by pattern reversal stimulation. And comparison of amplitude difference or amplitude ratio between the eye are more superior methods, especially pattern reversal stimulation. We think visual evoked potential study can be applied screening test of amblyopic children and identifying emblyopic eye.