Objective: Recovery of hand motor function after surgical treatment in myelopathy patients is commonly observed. Accurate evaluation of postoperative hand function contributes to assessing the efficacy of surgical treatment. However, no objective and effective evaluation method has been widely accepted in clinical practice. Therefore, the study aimed to explore the value of Myelopathy-hand Functional Evaluation System (MFES) in assessing the postoperative hand function for myelopathy patients.
Material And Method: MFES mainly consist of a pair of wise-gloves and a computer with software. One hundred and thirty myelopathy patients were included and all of them received optimal surgery treatment. The Japanese Orthopaedic Association (JOA) scores were marked at preoperative and at 6 months after surgery. All patients were asked to perform the 10-s grip and release test, and the hand movements were simulated and converted into waveforms by MFES. The waveform parameters were measured and analyzed.
Results: The JOA scores and the number of grip-and-release (G-R) cycles significantly increased after surgery. Correspondingly, the waveforms of ulnar three fingers were significantly higher and narrower, along with the significantly declined average time per cycle in postoperative. The a/b ratio (Wave height/wave width) of five fingers were significantly higher in postoperative than that in preoperative. Based on the improvement rate of a/b, the excellent and good rate of surgical outcomes was 62.30 %, which was significantly higher than that (47.69 %) based on the improvement rate of JOA scores (P = 0.019).
Conclusion: MFES is an effective assessment tool in evaluating the postoperative hand function for myelopathy patients.
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http://dx.doi.org/10.1016/j.clineuro.2021.106524 | DOI Listing |
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