A study of the factors related to radial tip instability in distal radius fractures treated by closed reduction and cast application in Yasothon Hospital patients
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Abstract
Radius distal fracture is one of the most common fractures. Bone grafting and splint treatment. It is
one of the most popular treatments. In order to use as an initial bone splint in the early stages or as a
primary treatment in each patient, there are many factors that are likely to affect the instability of the
fracture tip of the radial bone after proper alignment together with cast (Cast, slab immobilization) and to
correlate the factors affecting the subsidence of the radius and to tell the tendency of the distal radius tip in the case of the patient having the factor. These are related so that the doctor can Decide on a more
effective and appropriate treatment plan for radial fractures. Objective to study the factors affecting the
instability of the radial tip after splinting. Study design is retrospective analytic studies and the study, using
a retrospective model, studied 272 records of patients with radial distal fractures treated in Yasothon
Hospital from September 1, 2020 to October 3 0, 2021. Of 272 patients there were 219 cases met the
inclusion criteria which were a collapsed mobility and instability of the bone grafting, then collected the
data from both groups for evaluation including age, sex, wrist fracture, Radial Height, Radial inclination, Ulnar
variance, Dorsal angulation, Dorsal comminution, articular step-off, Distal ulnar fracture from radiograph
before treatment and etc. Data were statistically analysed using multivariable logistic regression.The results
showed that sex, age, radial height, radial inclination, ulnar variance, Dorsal tilt and Dorsal comminution
were the factors affecting stability of radial fractures, whereas intraarticular and ulnar fracture factors. is an
unrelated factor. The related factors were then analysed to determine the likelihood of instability. If the
patient is 60 years of age or older, pre-treatment radiographs have a radial height of 4 mm or less, an Ulnar
variance of 4 mm or more, and Dorsal comminution, the chance of instability after splinting is approximately
96.62%.
Conclusion: The main factors affecting the stability of the radial tip after splint treatment were Ulnar
variance, Radial Height, Patient age and Dorsal comminution, respectively
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