Lately the incidences of the patella fracture have been increasing due to frequent traffic and industrial accident, popularity of sports activity and falling. Sixty-nine cases of patella fractures, which were treated at Department of Orthopedic Surgery, Hallym College in the years of 1980 to 1985, were reviewed and the authors obtained the following results : 1. Frequently involved were third to fifth decades. 2. Traffic accident was the most common cause of the fracture. 3. Out of 69 cases, 42 were treated by open reduction and internal fixation. Among them we used circumferential wiring for 22 cases, modified tension band wiring for 13 cases and tension band wiring for 7 cases respectively. The remaining 5 cases were treated by patellectomy. 4. The most favorable recovery from the fracture was obtsined from modified-tension-band-wiring group.
Accidental Falls ; Accidents, Occupational ; Accidents, Traffic ; Incidence ; Orthopedics ; Patella ; Sports

Falls are the most common injury causing death or long term disability particularly among children. This study aimed to identify the risk factors of the unintentional injuries due to falls in children aged less than five years in Yemen. This cross sectional study enrolled a total of 439 children under five years old from the emergency department of 6 hospitals in Sana'a city. Multistage sampling was used to select six hospitals from public and private sectors in Sana'a city. Face to face interviews were conducted by using a structured questionnaire. Simple logistic regression and multiple logistic regression were used in the analysis. The prevalence of falls among children under five years old was 21.2%. In the multivariate analysis, factors associated with falls among children were young mother (aOR= 0.9, 95% CI 0.81-0.91), working of mother (aOR= 4.5 95% CI 2.40-7.65), frequent family social gatherings (aOR= 2.7, 95% CI 1.54-4.61), number of children at home (aOR= 2.6, 95% CI 1.43-4.64), chewing khat by father (aOR= 2.4, 95% CI 1.38-4.10), presence of staircase in the house (aOR= 2.1, 95% CI 1.24-3.70), number of rooms at home (aOR= 2.2, 95% CI 1.17-3.99) and disabled children (aOR= 3.3, 95% CI 1.20-9.27). In the study, socio-economic and cultural factors such as family gathering and chewing khat were associated with home fall injury among children under 5 years old in Yemen. Health promotion program should take place to reduce the occurrence of fall injury.
Accidental Falls ; Child Welfare ; Accidents, Home ; Child

BACKGROUND: This research investigates the degrees of slipperiness felt by the participants who walk on contaminants applied to a floor surface to decide degrees of slipperiness for various contaminants. METHODS: For the experiment, 30 participants walked on a floor to which six contaminants were applied. All participants took the analytic hierarchy process (AHP)–based slipperiness questionnaire survey for the six kinds of contaminants, and the results were compared with the coefficient of friction. RESULTS: The results of slip risk from the AHP indicate that grease is the most slippery of the six contaminants, followed by diesel engine oil, hydraulic oil, cooking oil, water-soluble cutting oil, and water in a decreasing order of slipperiness. When the results of slip risk from the AHP are compared with the static coefficient of friction for each contaminant, the order of slip risk follows the same trend. Although the results of slip risk from the AHP coincide with the static coefficient of friction, further study would be needed to investigate this relationship. CONCLUSION: This study will contribute as reference material for future research on preventing industrial accidents that result in falls from high places due to slipping.
Accidental Falls ; Accidents, Occupational ; Cooking ; Friction ; Water

BACKGROUND: Despite the recent efforts to prevent industrial accidents in the Republic of Korea, the industrial accident rate has not improved much. Industrial safety policies and safety management are also known to be inefficient. This study focused on dynamic characteristics of industrial safety systems and their effects on safety performance in the Republic of Korea. Such dynamic characteristics are particularly important for restructuring of the industrial safety system. METHODS: The effects of damping and elastic characteristics of the industrial safety system model on safety performance were examined and feedback control performance was explained in view of cost and benefit. The implications on safety policies of restructuring the industrial safety system were also explored. RESULTS: A strong correlation between the safety budget and the industrial accident rate enabled modeling of an industrial safety system with these variables as the input and the output, respectively. A more effective and efficient industrial safety system could be realized by having weaker elastic characteristics and stronger damping characteristics in it. A substantial decrease in total social cost is expected as the industrial safety system is restructured accordingly. CONCLUSION: A simple feedback control with proportional–integral action is effective in prevention of industrial accidents. Securing a lower level of elastic industrial accident-driving energy appears to have dominant effects on the control performance compared with the damping effort to dissipate such energy. More attention needs to be directed towards physical and social feedbacks that have prolonged cumulative effects. Suggestions for further improvement of the safety system including physical and social feedbacks are also made.
Accidents, Occupational ; Budgets ; Republic of Korea* ; Safety Management

We performed a retrospective study of perforating eye injuries treated at Kyung-pook National University Hospital during period from 1983 to 1987. Total number of patient with perforating eye injuries was 233(237 eyes). Of these 233 cases, 194(83.3%) were male and 39(16.7%) were female. Mostly, they were under 30 years of age and the peak age group was the most frequent(126 patient 54%) and combined corneoscleral perforation was next. The complication was mostly lens opacity, 95(40%) out of 237 eyes. Uveal prolapse were seen in 70(29.5%) eyes, traumatic hyphama was seen in 49(20.7%) eyes, IOFB(Intraocular-Foreign body) was seen in 22(9.3%)eyes, and vitreous hemorrhage was seen in 20(8.4%) eyes. Other less-frequent complications included retinal lesion(4.2%), iridopialysis(2.1%), and optic nerve injury(0.4%). The most frequent cause of perforating eye injuries was industrial accidents followed by home accidents and traffic accidents. The causes of decreased visual acuity was mostly corneal opacity, 80 out of 237 eyes(33%) followed by vitreous opacity, 18(7.9%)eyes. Final visual acuity better than 0.5 was noted in 79(33.3%).
Accidents, Home ; Accidents, Occupational ; Accidents, Traffic ; Cataract ; Corneal Opacity ; Eye Injuries ; Female ; Humans ; Male ; Optic Nerve ; Prolapse ; Retinaldehyde ; Retrospective Studies ; Visual Acuity ; Vitreous Hemorrhage

One hundred and fifteen thoracolumbar vertebrel fractures Out. of 85 patients were avaluated in this study. In 97 cases out of 65 patients, angular deformity and loss of height of the fractured vertebral bodies were measured, and for 6. 3 months in average follow up study was made in 23 cases out of 18 patients. The angular deformity became increased from 18.4 degrees to 21. 0 degrees wheroas loss of height has also increased from 38.6 to 40.8%, showing little statical value. Incidence was higher in male than in female without seasonal differences. Age incidence ranged from 16 to 78, and most frequent in third and fourth decades. Causes of injury were industrial accident, traffic accident, home accident and fall from height. Location of injury was mainly twelfth thoracic and first lumbar vertebrae. As associated injury, fracture of the rib, ulna, malleolus and calcaneus in order. Conservative treatment was a method of choice, while operstive treatment was performed in 7%.
Accidents, Home ; Accidents, Occupational ; Accidents, Traffic ; Calcaneus ; Congenital Abnormalities ; Female ; Follow-Up Studies ; Humans ; Incidence ; Lumbar Vertebrae ; Male ; Methods ; Ribs ; Seasons ; Ulna

OBJECTIVEThere is no safer way to transport a child than a school bus. Fatal crashes involving occupants are extremely rare events in the US. In recent years, school bus transportation began to develop in China. We want to bring advanced experience on school bus safety in Western countries such as the US to developing countries.

METHODSWe searched the papers related to school bus safety from Medline, Chinese Scientific Journals Database and the Web of the National Highway Traffic Safety Administration (NHTSA).

RESULTSThere were only 9 papers related to school bus safety, which showed that higher levels of safety standards on school buses, school bus-related transportation and environmental laws and injury prevention were the primary reasons for the desired outcome. Few school bus is related to deaths and injuries in the developed countries.

CONCLUSIONSThe developing countries should make strict environmental laws and standards on school bus safety to prevent children's injury and death.

Accident Prevention ; Accidents, Traffic ; Child ; China ; Humans ; Motor Vehicles ; Safety Management ; legislation & jurisprudence ; methods ; Schools

BACKGROUND: Although one in two firefighters in South Korea have experienced work-related injuries, there are few studies which show the overview description on work-related injuries and its analysis regarding such causes. Therefore, we aimed to show the overview of compensated work-related injuries in order to serve fundamental data for establishing prevention policies on work-related injuries for Korean firefighters. METHODS: We requested the all claimed work-related injury data of Korean firefighters from 2010 to 2015 to the Korean National Fire Agency (NFA). The data from NFA including 2457 claimed cases was analyzed and we confirmed, 2154 approved work-related injuries for the kinds of job activities, cause of accident and type of injuries. Among 2154 approved cases, we analyzed more variables for the sex, age, and job duration of 1344 compensated cases through served text file on summary of accident. RESULTS: The Government Employees Pension Service (GEPS) recognized 2154 (87.7%) approved work-related injuries among 2457 claimed cases. The incidence of work-related injuries per 1000 firefighters was 9.8 persons. By region, the incidence of work-related injuries per 1000 firefighters ranged from a maximum of 14.5 to a minimum of 4.0. The most common job activity caused the accident was fire suppression (18.0%), followed by Emergency medical services (EMS) (17.5%) and training (10.7%). The most common cause of these accident was movement imbalance (30.3%), followed by falls (18.9%) and traffic accident (13.4%). In these work-related injuries, sprains and bruises were the most common type of injury (27.2%), and the most commonly injured body site was the upper and lower back (25.3%). Data from identified 1344 firefighters showed that 1264 (94.0%) were male and 80 (6.0%) were female. Age group was the highest in the 40s with 623 cases (46.4%), and job duration was the highest with 650 cases in 5–10 years (48.4%). CONCLUSION: In this study, we could obtain the preliminary data necessary to establish preventive measures, including the cause of accident and region with high accident rates. However, the number of applications for compensated injuries was very small compared to the frequency of injuries found in previous studies. The lack of appropriate treatment suggested that many firefighter injuries can become chronic. In this study, we suggest that it is necessary to introduce an injury monitoring system and improve the accessibility of compensated injuries. TRIAL REGISTRATION: CR318031. Registered 20 June 2018.
Accidental Falls ; Accidents, Occupational ; Accidents, Traffic ; Contusions ; Emergency Medical Services ; Female ; Firefighters ; Fires ; Humans ; Incidence ; Korea ; Male ; Occupational Injuries ; Pensions ; Sprains and Strains

The authors have reviewed 71 cases (70 patients) of the ankle fractures that were treated through the admission in Orthopedic Department, Paik Foundation Hospital, from June 1972 to April 1978. The average duration of the follow-up waa 15 months. The summary of the results were as follows; 1. Of the 71 cases, male was 54 cases and female 17 cases. The average age of the patients was 32. 2. The main cause of the injuries was traffic accident, and the other causes were sliding down and falling from a height, industrial accident, and sports injury in order. 3. By the classification of Lauge-Hansen, the pronation-external rotation and,supination-adduction types were commoner than the other types. 4. Open reduction was performed in 48 cases, and closed reduction in 23 cases. 5. The average duration of the cast immobilization after the closed reduction was 8 weeks, and that of the open reduction was 6 weeks. 6. The result of the treatment was better in those cases of the open reduction than that of, the closed reduction. 7. The good clinical results could be achieved by obtaining the anatomical position of the talus in the mortise and the reduction was achieved more satisfactorily when the key role of the lateral malleolus in complete reduction was well understood.
Accidental Falls ; Accidents, Occupational ; Accidents, Traffic ; Ankle Fractures ; Ankle ; Athletic Injuries ; Classification ; Clinical Study ; Female ; Follow-Up Studies ; Humans ; Immobilization ; Male ; Orthopedics ; Talus

The management of chronic skin defect over the pretibial region, sacral pressure sore and other bony protuberant area is extremely difficult due to the presence of necrotic and infected bone, avascular and infected scar tissue, dead space and anatomical sparse of available adjacent structure. The present methods of management include versatile varieties and have left much to be revised, but they often despaired of both surgeon and patient, especially due to persistent chronic osteomyelitis and recurrent ulcer. From January, 1975 to April, 1979, we have had treated 20 such cases with application of muscle flap transposition and following has been observed. 1. The cause of lesion were 11 cases of the traffic accident, 4 cases of the industrial accident, 2 cases of the falling from a height, 2 cases of the pressure sore and 1 case of the chronic osteomyelitis. And 15 cases of them were physically active young adult between 2nd decade to 4th decade. 2. The muscles used for pretibial lesion were medial head of gastrocnemius m., soieus m., flexor digitorum longus m. and peroneus brevis m. Used abductor hallucis m. for medial malleolar defect, gluteus maximus m. for sacral pressure sores and sartorius m. for exposed knee joint. 3. There existed hematoma formation in 2 cases, partial necrosis of transposed muscle in 3 cases and persistent infected sinuses in 3 cases. Other cases except the last 3 cases, which needed another surgical procedure and antibiotic therapy, were controlled without difficulty and all of them did not develope any recurrence of ulcer during the follow up duration. 4. There did not appear to be any significant long term functional residua due to loss of original function of the transposed muscle except somewhat unacceptable cosmetic result. 5. It was 2 months average for the healing cases which did not need a bone graft and 5 months average for the cases needed a bone graft.
Accidental Falls ; Accidents, Occupational ; Accidents, Traffic ; Cicatrix ; Follow-Up Studies ; Head ; Hematoma ; Humans ; Knee Joint ; Muscles ; Necrosis ; Osteomyelitis ; Pressure Ulcer ; Recurrence ; Sacrococcygeal Region ; Skin ; Transplants ; Ulcer ; Young Adult