1.A statistical analysis of methicillin-resistant staphylococcus aureus.
Yong Woon PAIK ; Ji Suk KIM ; Yun Joo CHEUNG ; Suk Ja PARK ; Hung KIM
Journal of the Korean Pediatric Society 1991;34(5):645-653
No abstract available.
Methicillin Resistance*
;
Methicillin-Resistant Staphylococcus aureus*
2.Two cases of doxorubicin-induced dilated cardiomyopathy.
Jin Won PARK ; Kyeong Ah LEE ; Yong Woon PAIK ; Hyun Kee CHUNG ; Jae Sun PARK
Journal of the Korean Pediatric Society 1992;35(6):822-828
No abstract available.
Cardiomyopathy, Dilated*
;
Doxorubicin
3.The Incidence of Pediatric Trampoline Injury: Statistics from a Single Institution.
Yong Woon SHIN ; Chi Woon HONG ; Oei Jong LEE ; Sang Yoon PARK
The Journal of the Korean Orthopaedic Association 2018;53(2):129-135
PURPOSE: Recently, there has been increasing number of trampoline injuries at our pediatric orthopedic clinic and emergency room. Therefore, this study is to analyze the prevalence of the trampoline injuries with emergency room surveillance. MATERIALS AND METHODS: Between September 2015 and February 2017, all patients under the age of 15 years, who visited emergency room of a teaching hospital with trauma and referred to the department of orthopedic surgery, was included; the cause of trauma was analyzed. The severity of injury was also evaluated and compared according to the cause of injury. RESULTS: There were a total of 1,807 patients under the age of 15 years who visited our emergency room during the study period. There were a total of 71 trampoline injuries (3.9%). There were 28 patients below the age of 5 years, and among them, 14 minor injury were recorded; 43 patients were over the age of 5 years and with 4 minor, 20 moderate, and 19 severe injuries. In the age between 5 and 15 years, the prevalence of mild injury was lower in trampoline injury compared with those of other sports injuries (9.3% vs. 34.0%) and the prevalence of severe injury was higher in trampoline injury (44.2% vs. 26.3%) (p=0.002). CONCLUSION: Our findings indicate that the incidence of trampoline injury was lower than other country, but it was more severe than injuries from other sports. With increasing incidence of trampoline injuries, parents should be more mindful that trampolines are not safe and stricter supervision may be necessary.
Athletic Injuries
;
Emergency Service, Hospital
;
Hospitals, Teaching
;
Humans
;
Incidence*
;
Organization and Administration
;
Orthopedics
;
Parents
;
Prevalence
;
Sports
4.Treatment of Infected Nonunion of the Tibia and Femur Shaft Fractures with Classical Internal Bone Transport
The Journal of the Korean Orthopaedic Association 2022;57(5):400-408
Purpose:
This study analyzed the results of limb salvage surgery of classical internal bone transport using an Ilizarov apparatus for cases of infected nonunion of the lower extremity long bones, including the complications.
Materials and Methods:
The data of the patients with infected nonunion of the femur or tibia treated with bone internal transport method using Ilizarov apparatus from December 2006 to December 2011 were reviewed retrospectively.
Results:
Of the thirteen cases, eleven patients had a lesion of the tibia, one on the knee joint, and the last on the femur shaft. The average length of internal transport was 89.5 (42–191) mm with the external fixation period of 362.8 (175–601) days, resulting in the external fixator index of 1.43 (0.91–2.08) month/cm. The major complications were four cases of delayed union or nonunion, two cases of regenerate failure, two cases of limb length discrepancy of more than 2.5 cm, two cases of remnant angular deformity, one case of refracture, two cases of equinus deformity and ankle joint stiffness, and one case of intended knee joint fusion. In all thirteen cases, bone union was achieved without infection recurrence.
Conclusion
Limb salvage surgery using Ilizarov apparatus for classical internal bone transport could be a way to avoid amputation in patients with infected nonunion. The outcomes of classical internal bone transport with a higher bone union rate and lower infection recurrence were acceptable. On the other hand, all possible complications, the treatment course, and other options, such as bone transport with internal fixation or induced membrane technique, should be shared with the patient before surgery to enhance overall satisfaction.Furthermore, for difficulties in regenerate formation in the bone with osteomyelitis and massive bone defect, the patient should be informed of a potential longer fixation period or additional surgeries for regenerate failure, including bone graft or fibular transport, to facilitate the patient’s compliance to treatment.
5.Upper Extremity Injuries in Youth Baseball Players.
The Journal of the Korean Orthopaedic Association 2018;53(3):185-192
The elbow and shoulder in young baseball players are prone to injuries. The internal factors of sports injuries are the fragility of the bones and joints of growing children and adolescents. The main external factors of injuries are the competition and eagerness of adolescent players and the motivation of hard-work. Baseball injuries have many causes, including fast rotation and movement of a load from the trunk to arm, repetitive incorrect placement of the arm in the throwing position, too-many throwing practices, etc. Orthopedic surgeons have generally focused on surgical procedure to cure, but it is time to consider and share the methods of injury prevention.
Adolescent*
;
Arm
;
Athletic Injuries
;
Baseball*
;
Child
;
Elbow
;
Humans
;
Joints
;
Motivation
;
Orthopedics
;
Shoulder
;
Surgeons
;
Upper Extremity*
6.Risk Factors for Avascular Necrosis and Nonunion after Multiple Pinning for an Intracapsular Femoral Neck Fracture.
Yerl Bo SUNG ; Yong Woon SHIN ; Chan Keun PARK
Journal of the Korean Hip Society 2009;21(1):35-40
PURPOSE: We wanted to analyze the influences of risk factors on avascular necrosis and nonunion after multiple pinning for a femoral neck fracture. MATERIALS AND METHODS: Among the cases of multiple pinning for a femoral neck fracture that were seen at our department from June 1995 to May 2006, we analyze 102 cases that had more than 2 years of follow-up. We evaluated the influence of such factors as the age, gender, injury on the right- or left-side, the degree of displacement, the time to operation, the angle of fracture, the accuracy of reduction and posterior cortex comminution on avascular necrosis and nonunion after multiple pinning for a femoral neck fracture. RESULTS: The incidences of AVN and nonunion were 13.7% (14/102) and 10.7% (11/102), respectively. The degree of displacement was a significant factor that influenced the development of nonunion (p<0.05). The time to operation and the angle of fracture were significant factors that influenced nonunion (p<0.05 & p<0.05) and avascular necrosis (p<0.05 & p<0.05). The posterior cortex comminution was a significant factor that influenced nonunion (p<0.05) and avascular necrosis (p<0.05). CONCLUSION: The important risk factor for avascular necrosis was the angle of fracture over 60 degrees. The important risk factors for nonunion were the time to operation (over 24 hours), posterior cortex comminution and an angle of fracture over 60 degrees.
Displacement (Psychology)
;
Femoral Neck Fractures
;
Femur Neck
;
Follow-Up Studies
;
Incidence
;
Necrosis
;
Risk Factors
7.Does Interfragmentary Cerclage Wire Fixation in Clavicle Shaft Fracture Interfere the Fracture Healing?.
Jae Kwang YUM ; Yong Woon SHIN ; Hee Sung LEE ; Jae Gu PARK
Journal of the Korean Fracture Society 2011;24(2):138-143
PURPOSE: A technique of cerclage wire fixation in comminuted fracture of the clavicle shaft is thought to interfere the fracture healing, so authors studied radiographically and clinically about the cases of cerclage wiring of the fracture fragments with the plate and screws fixation in the comminuted fracture of the shaft of the clavicle. MATERIALS AND METHODS: According to following inclusion criteria, total 18 patients (male: 15, female: 3) were investigated; Patients who visited hospital due to clavicle shaft comminuted fracture from February 2005 to April 2009, who underwent surgery utilizing more than 2 cerclage wire fixation for the fragments when open reduction and plate fixation were operated and who could be follow-up over one year. The duration for fracture union, functional outcome and complications were investigated retrospectively. RESULTS: Radiological bone union was accomplished in average 13.3 weeks (12~16 weeks) and there was no complication such as nonunion, delayed union or infection. Range of motion of ipsilateral shoulder joint was recovered in all patients except one at the final follow-up. CONCLUSION: The clinical and radiographical results of the plate and screws fixation with cerclage wiring of the fragments in comminuted clavicle shaft fracture showed that the cerclage wiring does not interfere the fracture healing, so authors think that this method is a good alternative operation if it is performed carefully to minimize soft tissue dissection.
Clavicle
;
Follow-Up Studies
;
Fracture Healing
;
Fractures, Comminuted
;
Humans
;
Range of Motion, Articular
;
Shoulder Joint
8.Open Synovectomy for Chronic Infectious Arthritis of the Wrist.
Sanglim LEE ; Sueen SOHN ; Suk Ha JEON ; Yong Woon SHIN
Journal of the Korean Society for Surgery of the Hand 2012;17(4):166-172
PURPOSE: We reported the results of open synovectomy for chronic infectious arthritis of the wrist. METHODS: Fifteen patients who had chronic infectious arthritis of the wrist and underwent open synovectomy were reviewed retrospectively baesd on preoperative periods, symptoms, results of laboratory tests, radiological findings including magnetic resonance imaging (MRI), hospitalization period, and others. Pain scale and subjective satisfaction were checked by phone interview. RESULTS: Average preoperative period was 96.1 days. Pain on motion and edema were observed in all cases. Four patients had positive bacterial cultures and three were identified as tuberculous infection. Signal changes of bones were observed in MRI of 10 patients. Osteomyelitis was found in 8 patients during the operation and bone resection or fusion should be performed in three. Average number of operation times was 1.53. CONCLUSION: When the patients show chronic swelling and pain on motion of the wrist, diagnostic work-ups for chronic infectious arthritis should be performed including arthrocentesis and MRI. Treatment including open synovectomy should be done immediately.
Arthritis, Infectious
;
Edema
;
Hospitalization
;
Humans
;
Magnetic Resonance Imaging
;
Mycobacterium
;
Osteomyelitis
;
Preoperative Period
;
Retrospective Studies
;
Wrist
9.Preoperative Three Dimensional Ultrasonographic Evaluation of the Rotator Cuff Tear.
Jae Kwang YUM ; Yong Woon SIN ; Jungil HAN
Journal of the Korean Shoulder and Elbow Society 2008;11(1):24-28
PURPOSE: We wanted to determine if preoperative three dimensional (3D) ultrasonographic evaluation for rotator cuff tear is useful to measure the real size of a torn rotator cuff for performing an operation MATERIALS AND METHODS: This study included 15 cases (7 males and 8 female), and these patients were confirmed to have a full thickness tear of the rotator cuff by 3D ultrasonography and the operative findings, as well as on the magnetic resonance imaging (MRI). The average age of the patients was 55.4yrs. RESULTS: The average difference between the 3D ultrasonographic and operative measurements of the full thickness tear of the rotator cuff was 0.7 mm in the transverse length and 2.0 mm in the longitudinal length. CONCLUSION: The low error between the 3D ultrasonographic and intraoperative measurements of rotator cuff tear shows the usefulness of preoperative 3D ultrasonographic evaluation for rotator cuff tear.
Humans
;
Magnetic Resonance Imaging
;
Male
;
Rotator Cuff
;
Shoulder
10.Continuous Half Passive Motion under Distracted External Fixation for the Treatment of Distal Tibial Pilon Fractures.
Su Young BAE ; Hyung Jin CHUNG ; Yong Woon SHIN ; Jae Gu PARK
Journal of Korean Foot and Ankle Society 2010;14(2):146-150
PURPOSE: Pilon fracture has several serious complications such as joint stiffness, arthrosis and delayed angular deformity. We report short-term results of new treatment modality using distracted dynamic external fixators and early controlled ankle motion. MATERIALS AND METHODS: Eight cases of severe pilon fractures for which we tried small plate fixation and additional distracted dynamic external fixators from July 2007 to June 2009 were included. Half passive continuous ankle joint motion was allowed under free hinged ring fixators after the operation. The external fixators were removed after two or three months from the surgery. We investigated joint space by radiograph, joint pain, range of motion, patient's satisfaction of treatment protocol. RESULTS: Joints were distracted when external fixators were applied and mean 28% of space loss developed after removal of external fixators. In most of cases, satisfactory alignments were maintained. Regarding range of joint motion, mean dorsiflexion angle was 15 degrees and mean plantarflexion angle was 32 degree in the condition of wearing external fixators. There was mean 8% reduction of range of motion but no further progression of ankle stiffness after removal of external fixators. Dorsiflexion was not improved after that, but plantarflexion angle was improved 10% even after removal of external fixators. Patients were generally in compliance with the treatment protocols with high level of satisfaction. CONCLUSION: We got good results with distracted dynamic external fixators and early continuous half-passive joint motion for pilon fractures in terms of joint pain and range of motion. Therefore we suggest this new protocol as an alternative modality for severe pilon fractures.
Animals
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Ankle
;
Ankle Joint
;
Arthralgia
;
Clinical Protocols
;
Compliance
;
Congenital Abnormalities
;
External Fixators
;
Humans
;
Joints
;
Range of Motion, Articular