1.A Study on Freeze
The Journal of the Korean Orthopaedic Association 1988;23(3):929-935
I had an opportunity to visit U.S. Naval Tissue Bank and observed tissue procurement and preservation by freeze-drying method and its clinical application while I stayed in the Naval Hospital, Bethesda in 1954. The freeze-dried tissues, especially bone graft, has shown excellent bone repair experimentally and clinically. Recently the mechanisms of osteoinduction have observed by many researchers and isolated the substance, bone morphogenetic protein, and clarified the interaction between BMP and the determined or inducible osteoprogenitor cells.
Bone Morphogenetic Proteins
;
Methods
;
Tissue and Organ Procurement
;
Tissue Banks
;
Transplants
2.Proximal Migration of the Intramedullary Nail in Fracture of the Femur
Chang Ju LEE ; Tai Keun CHA ; Ik Yull CHANG
The Journal of the Korean Orthopaedic Association 1979;14(3):456-460
Various devices have been introduced in the field of orthopaedic surgery for the treatment of fractures and dislocations. Widely used among these are metallic nails and pins. A rare complication is the migration of such intermal fixation devices from their original sites of insertion. Examples of migration have been shown in cases for which devices like Kirschner wire and Steinmann pin were used. Acromio-clavicular joint dislocation gives us another good example. Kuntscher nail has beenin worldwide use for the treatment of femoral shaft fractures since the original work of Kuntscher in 1940. Yet few cases were reported, for migration & Kuntscher nail. We, recently had an experience of proximal migration of a Kuntscher nail in a femoral shaft fractnre which was markedly comminuted. The case is presented here with references.
Dislocations
;
Femur
;
Joints
3.Management of Unstable Fractures and Fracture
Yung Khee CHUNG ; Ik Yull CHANG ; Do Sik SHIN
The Journal of the Korean Orthopaedic Association 1981;16(2):283-288
The spine can be divided into two structural columns; an anterior column consisting of vertebral bodies, discs and ligaments and a posterior column consisting of the neural arch, facet joints and interconnecting ligaments. Disruption of both anterior and posterior columns results in spinal instability. Laminectomy may produce greater spinal instability and will convert a stable injury into a unstable one. The compression that exists in these injury is anterior and therefore posterior laminectomy do little more than produce spinal instability. The technique of open reduction and Harrington rod fixation of unstable fractures improved nursing care, shortened rehabilitation and was effective in maintaining fracture reduction and promoting bony healing. Between 1978 and 1980, thirteen consecutive patient with unstable fractures and fracture-dislocations of thoracolumbar spine were treated by open reduction and spinal fusion with Harrington rod fixation at the Department of Orthopaedic Surgery of the Han Gang and Kang Nam Sacred Heart Hospitals. The following results were obtained from analysis of the cases. 1. The reduction and stability after reduction with Hsrrington instrumentation was excellent. 2. Laminectomy produced greater spinal instability. 3. Early ambulation was possible and the period of hospitalization was shortened. 4. Neurological recovery from incomplete neural deficit was good but from complete paraplegia was less effective.
Dislocations
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Early Ambulation
;
Heart
;
Hospitalization
;
Humans
;
Laminectomy
;
Ligaments
;
Nursing Care
;
Paraplegia
;
Rehabilitation
;
Spinal Fusion
;
Spine
;
Zygapophyseal Joint
4.Femoral Neck Fractures in Young Adults
Chang Ju LEE ; Seung Rim PARK ; Ik Yull CHANG ; Young Sik YANG ; Sung Kee CHANG
The Journal of the Korean Orthopaedic Association 1984;19(6):1221-1231
A fracture of the femoral neck in a young adult differs from the same fracture in an older patient in the following respects; 1. A relatively uncommon injury. 2. A significant difference in the severity of trauma. 3. A less satisfactory result. At the point of view, we studied the femoral neck fcartures in 15, 20- to 50-year-old patients. The aims were to analyze why these fractures occur in young adults, and what results can be expected after internal fixation. The results were as follows; 1. Common in men (3:1). 2. 80% (12/15 cases) of the fractures were caused by severe trauma. 3. The 3 cases (20%) were associated with the other fractures. 4. The factors infuencing the clinical results and complications in our study; a. Severity of trauma. b. Degree of displacement. c. Existence of posterior comminution. d. Time interval between accident and operation. 5. The multiple pinning got the more rigid fixation and diminished the rate of fixation failure. 6. All cases were achieved good to acceptable reduction. 7. Satisfactory functional results were achieved in 93.3%. 8. The rate of avascular necrosis was 15.4% (2/13 cases). It is concluded that the most of femoral neck fractures in younger patients occur because of the significant trauma. In our study, the incidence of avascular necrosis was not greater than in order patients. Therefore, to get as good a result as possible it seems important to perform the anatomical tion and rigid internal fixation with or without bone graft.
Femoral Neck Fractures
;
Femur Neck
;
Humans
;
Incidence
;
Male
;
Middle Aged
;
Necrosis
;
Transplants
;
Young Adult
5.A Case Report of Clear Cell Sarcoma in Thigh
Yung Khee CHUNG ; Won Chang PARK ; Ik Yull CHANG ; Chang Rock OH
The Journal of the Korean Orthopaedic Association 1982;17(1):158-160
Malignant tumors arising from tendon and aponeurosis are very rare. Among those reported most have been interpreted as synovial sarcoma or fibrosarcoma until Enzinger in 1965 described a new type which he called “Clear Cell Sarcoma of Tendon and Aponeurosis”. The tumor has a uniform and distinctive clinical and morphological pattern which distinguishes it from other groups of tenosynovial tumors. The problem of its histogenesis remains, especially its relation to synovial sarcoma. In this paper, we reported one case which is believed to be “Clear Sarcoma in the thigh”.
Clothing
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Fibrosarcoma
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Sarcoma
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Sarcoma, Clear Cell
;
Sarcoma, Synovial
;
Tendons
;
Thigh
6.Modified Weaver and Dunn Technique in the Treatment of Acromioclavicular Separation
Yung Khee CHUNG ; Chang Ju LEE ; Ik Yull CHANG ; Byoung Moon AHN ; Chang Rock OH
The Journal of the Korean Orthopaedic Association 1982;17(6):1181-1187
Thirty one cases of acromioclavicular injuries were treated in both Kangnam Sacred Heart Hospital and Hangang Sacred Heart Hospital during the period from May 1974 to April 1981. Three cases were classified to type 2 injuries and twenty eight were type 3. Among 31 cases one of the type 2 injuries was treated with closed reduction followed by thoracobrachial cast and remaining thirty received surgical treatment. Twenty one cases were operated on by technique of Weaver and Dunn, 8 cases by modified Phemister method and one case by Stewart technique. Preperative and postoperative stress film were evaluated and cap the coracoclavicular distance were measured. In twelve complete dislocation the authors modified the original Weaver and Dunn procedure by taking a bone chip along with the acromial end of the coracoacromial ligament. This seemed to provide a strong bony fulcrum for the suture of the ligament to clavicle as well as promoting bone to bone union. The results of this modified procedure were excellent.
Clavicle
;
Dislocations
;
Heart
;
Ligaments
;
Methods
;
Sutures
7.A Clinical Study of the Fractures of the Femoral Neck in Children
Yung Khee CHUNG ; Jung Soo PARK ; Won Chang PARK ; Ik Yull CHANG ; In Ho HWANG
The Journal of the Korean Orthopaedic Association 1984;19(5):925-933
Fractures of the femoral neck in children are rare and usually occur as a result of severe trauma. They are one of the most challenging injuries to treat. Their complication rate is high and their anatomic and physiologic characteristics make treatment difficult. The commonly encountered complications are avascular necrosis, nonunion, coxa vara and premature fusion of epiphyseal plate. Treatment of these fractures remains an unsolved problem but accurate reduction held with adequate internal fixation would appear to offer the best chance for succesful results. We report our observations in the treatment of eighteen cases of fracture of the femoral neck in children. Included is a review of references. The results obtained are as follows: 1. Among 18 patients, 11 were boys and 7 were girls. the highest incidence was between the ages of 5 and 7 years. 2. The main causes of fractures were traffic accidents in 10 cases (55.5%), falling from a height, and slipping down. 3. The commonest type of fracture was the cervicotrochanteric type (47.4%). Twelve cases were displaced fractures (66.7 %). 4. The range of Pauwels angle varied from 20° to 70°. 5. The commonly associated injuries were pelvic bone fractures, extremity fractures, skull fractures and soft tissue injuries. 6. Nine cases were treated by skin traction and plaster cast. Five cases ere treated by closed reduction and internal fixation with K-wires or knowles pins. 7. In 13 of the 18 cases, follow-up studies were done for an average period of 18 months. 8. The results were analyzed according to the Ratliffs assessment. Among the 13 cases, 10 cases showed good results, two fair and one poor. 9. All cases treated by closed reduction and internal fixation showed good results without complications. 10. Complications developed in five cases (38.5%), three cases of avascular necrosis and two cases of coxa vara. Among these five cases, one case of avascular necrosis developed as a result of neglect of the fracture and the others as a result of too conservative a treatment. 11. Secondary treatment of trochanteric arthroplasty was required in only one neglected case. This was further by avascular necrosis and the results were poor. 12. As a result, we recommond closed reduction and internal fixation as the most favorable method of treatment for the fracture of the femoral neck in children.
Accidental Falls
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Accidents, Traffic
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Arthroplasty
;
Casts, Surgical
;
Child
;
Clinical Study
;
Coxa Vara
;
Extremities
;
Female
;
Femur
;
Femur Neck
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Follow-Up Studies
;
Growth Plate
;
Humans
;
Incidence
;
Methods
;
Necrosis
;
Pelvic Bones
;
Skin
;
Skull Fractures
;
Soft Tissue Injuries
;
Traction
8.The Incidence of Deep Vein Thrombosis in the Lower Extremity
Chang Ju LEE ; Seung Rim PARK ; Ik Yull CHANG ; Dong Sung OH ; Tae Woo KIM
The Journal of the Korean Orthopaedic Association 1985;20(1):95-102
Deep vein thrombosis is a frequently lethal complication following musculoskeletal surgery and skeletal trauma. For this study on incidence of deep vein thrombosis, we examined the data on 40 patients with contrast venography. Thrombosis limited to the veins in the calf of the leg was shown in 10 patients by venography. None of these patients had clinical symptoms of deep vein thrombosis or indicating embolism. We therefore concluded that the incidence of deep vein thrombosis of the lower extremity after injury or operation in Korea is not so rare as was considered before.
Embolism
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Humans
;
Incidence
;
Korea
;
Leg
;
Lower Extremity
;
Phlebography
;
Thrombosis
;
Veins
;
Venous Thrombosis
9.Treatment of Diaphyseal Fractures of the Forearm Bones
Yung Khee CHUNG ; Chang Joo LEE ; Ik Yull CHANG ; Byoung Moon AHN
The Journal of the Korean Orthopaedic Association 1980;15(2):288-295
In clinical practice fractures of the forearm bones are encoutered as frequently as fractures of other bones. As has been pointed out in many articles, however, the surgical anatomy of the forearm evokes problems in dealing with the diaphyseal fractures of the forearm bones not found in the treatment of diaphyseal fractures of other long bones, The authors have experienced 107 cases of diaphyseal fractures of the forearm bones during the fiveyear period from January, 1972 through December, 1976. A comparison has been made between the two groups one treated by conservative method and the other by open reduction and internal fixation. The results are as follows: 1. The time required for the healing of the fractures was shorter in the conservatively treated group. 2. Restoration of function was more satisfactory in the surgically treated group. 3. Rotational and angulatory deformities were less in the surgically treated group. 4. Forty-one fractures were internally fixed with compression plates, the union rate of which was 100%.
Congenital Abnormalities
;
Forearm
;
Methods
10.Tissue Pressure Changes following Tibia Fracture
Won Ho CHO ; Chang Ju LEE ; Jho Woong KANG ; Ik Yull CHANG ; Hyoung Yong SHIN
The Journal of the Korean Orthopaedic Association 1980;15(3):540-545
Delayed diagnosis of the compartmental syndrome and subsequent delay in performing the fasciotomy can result in needless loss of function and possible amputation of the involved extremity. Unfortunately early evidence of this syndrome is difficult to assess. A direct measurement of the tissue pressure within a closed compartment has been developed which provides physicians with reliable information for determining the need for fasciotomy. In the 27 cases of the tibia fracture, tissue pressure was measured directly by method of the needle manometer in the Department of Orthopedic Surgery, Han Kang Sung Sim Hospital from March, 1979 to August, 1979. The results were as follows: 1. The highest mean tissue pressure per hour was 28 mmHg in anterior compartment at 24 hours after trauma, and 28.4 mmHg in deep post compartment at the same hours. 2. The highest pressure measured in all cases was 38 mmHg in anterior compartment at 24 hours and 39 mmHg in deep posterior compartment at 48 hours after trauma. 3. The return of increased tissue pressure to less than 10 mmHg took 122.6 hours in anterior and 124.4 hours in deep posterior compartment. 4. Tissue pressre was higher when there was associated fibula fracture. 5. Tissue pressure was higher in displaced fractures than in undisplaced fractures. 6. Tissue pressure was higher when fracture was in its upper one-third. 7. Tissue pressure was higher in comminuted fracture than simple fracture.
Amputation
;
Delayed Diagnosis
;
Extremities
;
Fibula
;
Fractures, Comminuted
;
Methods
;
Needles
;
Orthopedics
;
Tibia