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Application of combined distractor in the treatment of refractory distal radius fractures / 中华骨科杂志
Chinese Journal of Orthopaedics ; (12): 281-289, 2022.
Article in Chinese | WPRIM | ID: wpr-932833
ABSTRACT

Objective:

To investigate the application of combined distractor in the treatment of refractory distal radius fractures.

Methods:

From March 2018 to February 2020, the data of 32 patients with refractory distal radius fractures treated with combined distractor-assisted reduction were retrospectively analyzed. The propensity score matching method was used to establish a non-distractor group according to 1∶1 matching, with a total of 32 patients. In the distractor group, there were 15 males and 17 females, age 54.9 ±15.8 years (range, 18-77). According to AO classification, 3 cases were A3, 3 cases were B3, 16 cases were C2, 10 cases were C3. In the non-distractor group, there were 12 males and 20 females, age 59.7±14.8 years, 4 cases were A3, 5 cases were B3, 12 cases were C2 and 11 cases were C3. Main

measures:

surgical time, radial height, palm inclination, ulnar deviation, range of motion of the wrist, visual analogue scale (VAS), and functional assessment using disability of arm, shoulder and hand (DASH) and modified Mayo wrist score (MMWS).

Results:

A total of 64 patients were included in this study, and all patients successfully completed the operation and were followed up for 12-54 months, with an average of 17.8 months. The operative time of the distractor group was 91.2±14.6 min, which was significantly lower than that of the non-distractor group 137.6±27.3 min, and the difference was statistically significant ( t=8.48, P<0.001); the radial height in the distractor group 11.5±1.4 mm was significantly higher than that in the non-distractor group 10.6±1.3 mm, and the difference was statistically significant ( t=2.59, P=0.012). At the last follow-up, there were no statistically significant differences in the palm inclination 7.9°±4.4° vs. 7.5°±3.5°, ulnar deviation 23.3°±5.7° vs. 22.3°±4.5°, wrist flexion 63.2°±15.3° vs. 62.6°±11.1°, dorsiflexion 63.5°±10.7° vs. 62.4°±15.2°, pronation 69.2°±11.8° vs. 67.0°±11.0°, supination 73.1°±10.4° vs. 72.0°±8.7°, VAS 0.8±0.5 points vs. 0.9±0.7 points, DASH score 12.9±6.6 points vs. 13.4±7.0 points amd MMWS 84.1±5.8 points vs. 83.5±6.2 points ( P>0.05). One patient in the distractor group had symptoms of extensor muscle irritation, and the symptoms disappeared after the internal fixation was removed; 2 patients in the non-spreader group developed carpal tunnel syndrome, which improved after incision and decompression treatment.

Conclusion:

For refractory distal radius fractures, the use of combined distractor can achieve better radius height recovery and shorten the operation time, and has a satisfactory postoperative effect.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Orthopaedics Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Orthopaedics Year: 2022 Type: Article