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An X-ray template assessment for distal radial fractures.

ABSTRACT: BACKGROUND: The current method for radiological measurements on plain X-rays of distal radius fractures is unreliable. We examined the reproducibility of a new X-ray assessment technique-where the uninjured side is used as a template for the injured side-compared to the conventional assessment technique. METHODS: X-rays of 30 patients with a unilateral distal radial fracture were included reflecting the prevalence of AO fracture types in clinical practice. Eight experienced observers assessed these X-rays on two separated occasions (2-month interval) using the traditional measurement technique and the template technique. Reproducibility of the X-ray assessments was quantified by intraclass correlations and weighted kappa coefficients. RESULTS: The reproducibility of the radial length measurement did not improve nor did the volar angulation measurement. However, marked improvement in reproducibility was observed for the radial inclination measurement, the kappa increased from 0.36 (95 % CI; 0.30-0.41) to 0.49 (95 % CI; 0.43-0.55) in the template technique. As a result, the classification of the reduction results (Lidström score) greatly improved. The overall kappa for the Lidström score improved from 0.37 (95 % CI; 0.31/0.43) to 0.59 (0.52/0.63). CONCLUSION: The assessment technique using the uninjured side as a template for the injured side resulted only in an improved reproducibility of the radial inclination measurement which in turn resulted in an improved classification reproducibility of the reduction results.

SUBMITTER: van Eerten PV

PROVIDER: S-EPMC2225998 | biostudies-other | 2008 Feb

REPOSITORIES: biostudies-other

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Project description:In this case-control study, we concluded that women with distal radial fractures who were surgically treated showed lower grip strength and dynamic body balancing than those of controls. These results suggest that measurements of grip strength and dynamic body balance may be useful screening tools to assess future fracture risk.IntroductionPatients with distal radial fractures (DRFs) are at risk of future fragility fractures. However, their physical characteristics and tendencies for falls remain unclear. We aimed to compare the physical characteristics of women with and without distal radial fractures.MethodsWe included 128 women with a DRF as their first fragility fracture (fracture group) who underwent surgical treatment. Concurrently, 128 age- and sex-matched participants without a history of fragility fractures were selected as controls (control group). The participants underwent assessments of grip strength and the body balancing ability test. Measurements were taken twice in the fracture group, at 2 weeks and 6 months postoperatively, and once in the control group. The body balancing ability test included the Functional Reach Test, Timed Up and Go test (TUG), 2-Step test (2ST), and Timed Uni-pedal Stance test. The participants also completed questionnaires about their health.ResultsThere were no significant differences (p >?0.05) in patient characteristics between the groups. The fracture group showed lower grip strength across all age groups. In the DRF group, prolonged TUG time was observed at 2 weeks postoperatively in all age groups and at 6 months in participants aged 55-74 years; the 2ST score was significantly lower in participants aged between 65 and 74 years.ConclusionsWomen with DRF demonstrated lower grip strength and dynamic body balancing ability. Lower grip strength and dynamic body balancing ability were identified as significant risk factors in women with DRF, suggesting that these may be useful screening tools to assess fracture risk.

Project description:Instability of the distal radioulnar joint (DRUJ) is a complication that can occur following distal radius fracture or malunion. We have observed that residual radial translation of the distal radius, relative to the radial shaft, may be a causal factor of DRUJ instability, even once the traditional radiographic parameters (volar tilt, radial inclination, and ulnar variance) have been restored. Residual radial translation of the distal fragment may cause detensioning of the distal interosseous membrane (IOM) and pronator quadratus with poor apposition between the ulnar head and sigmoid notch. This may potentially lead to persistent instability of the ulnar head following internal fixation. Residual radial translation deformity is at risk of being overlooked by the wrist surgeon as there is no existing radiographic parameter that accurately measures this deformity.In this study, 100 normal wrist radiographs were reviewed by three fellowship-trained orthopedic surgeons to develop a simple and reproducible technique to measure radial translation.Utilizing the method described, the point of intersection between the ulnar cortex of the shaft of the radius and the lunate left a mean average of 45.48% (range 25–73.68%) of the lunate remaining on the radial side. In the majority of cases more of the lunate resided ulnar to this line. High levels of agreement with inter-rater (intraclass coefficients = 0.967) and intra-rater (intraclass coefficients = 0.79) reliability was observed.The results of this study can be used to define a normal standard against which residual radial translation can be measured to assess the reduction of distal radius fractures. This new parameter aids in the development of surgical techniques to correct residual radial translation deformity. In addition, awareness and correction of this potential malreduction at the time of surgery may decrease the need for other procedures on the ulnar side of the wrist to improve DRUJ stability, such as ulnar styloid fixation, TFCC repair, or ligamentous grafting [corrected].

Project description:Volar locking plates have permitted early mobilization, omitting the need for prolonged cast immobilization, after distal radial fractures (DRFs). However, the type of rehabilitation following plate fixation of DRFs remains an unresolved issue. The purpose of this study was to evaluate the effect of physiotherapy after volar plate fixation of DRFs. At a 2-year follow-up, we compared the results of immediate physiotherapy (early mobilization) with those of home exercises following 2 weeks in a dorsal plaster splint (late mobilization). Patients with an extra-articular DRF scheduled for open reduction and internal fixation (ORIF) with a volar locking plate were evaluated for eligibility for enrollment in the study. The patients were randomized into 2 groups: (1) early mobilization and physiotherapy and (1) late mobilization and home exercise. In the early mobilization group, the plaster splint was removed after 2 to 3 days. During the first 3 months, the patients met with the institution's physiotherapist every other week. The late mobilization group wore the dorsal splint for 2 weeks and only met with our physiotherapist once, when the splint was removed. This group was provided with a home physiotherapy program and instructed to perform home exercises on their own. One hundred and nineteen patients were included in the study. The 2 groups had similar demographics with respect to age, sex, and baseline values. Seven patients were lost to follow-up. No clinically relevant difference in scores on the shortened version of the Disabilities of the Arm, Shoulder and Hand (QuickDASH) questionnaire was found between the 2 groups at any of the follow-up evaluations. The largest difference in the QuickDASH score was found at 6 weeks, when the early mobilization group had a mean score of 30 compared with a mean of 37 in the late mobilization group (p = 0.05). Early mobilization and multiple physiotherapy visits did not improve wrist function compared with standard treatment of 2 weeks in a dorsal plaster splint, a single physiotherapy visit, and home exercises. Early mobilization following ORIF of an extra-articular DRF is safe. Therapeutic Level I. See Instructions for Authors for a complete description of levels of evidence.

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An X-ray template assessment for distal radial fractures.

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