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find Author "LU Junfeng" 2 results
  • PALMARIS LONGUS TENDON GRAFT FOR TREATMENT OF OLD MALLET FINGER DEFORMITY

    Objective To investigate the effectiveness of the terminal extensor tendon reconstrution by palmaris longus tendon graft for the treatment of old mallet finger deformity. Methods Between February 2009 and February 2011, 32 patients with old mallet finger deformity were treated with palmaris longus tendon graft. There were 28 males and 4 females with an average age of 32.5 years (range, 22-58 years). The injury causes included sports injury in 26 cases and punctured injury in 6 cases. The index finger was involved in 8 cases, the middle finger in 3 cases, the ring finger in 16 cases, and the little finger in 5 cases. According to the Rockwell’s classification, all patients were classified as type I. The time from injury to operation was 4-16 weeks (mean, 6 weeks). Results Primary healing was obtained in all incisions; no necrosis, infection, or nail bed injury occurred. All patients were followed up 12-20 months (mean, 14 months). The patients had no pain or paresthesia of volar finger. According to Patel’s functional assessment system, the results were excellent in 8 cases, good in 21 cases, fair in 2 cases, and poor in 1 case at last follow-up, with an excellent and good rate of 90.6%. Conclusion Reconstruction of the terminal extensor tendon by palmaris longus tendon graft is a reliable method to treat old mallet finger deformity.

    Release date:2016-08-31 04:07 Export PDF Favorites Scan
  • Alterations of β-γ coupling of scalp electroencephalography during epilepsy

    Uncovering the alterations of neural interactions within the brain during epilepsy is important for the clinical diagnosis and treatment. Previous studies have shown that the phase-amplitude coupling (PAC) can be used as a potential biomarker for locating epileptic zones and characterizing the transition of epileptic phases. However, in contrast to the θ-γ coupling widely investigated in epilepsy, few studies have paid attention to the β-γ coupling, as well as its potential applications. In the current study, we use the modulation index (MI) to calculate the scalp electroencephalography (EEG)-based β-γ coupling and investigate the corresponding changes during different epileptic phases. The results show that the β-γ coupling of each brain region changes with the evolution of epilepsy, and in several brain regions, the β-γ coupling decreases during the ictal period but increases in the post-ictal period, where the differences are statistically significant. Moreover, the alterations of β-γ coupling between different brain regions can also be observed, and the strength of β-γ coupling increases in the post-ictal period, where the differences are also significant. Taken together, these findings not only contribute to understanding neural interactions within the brain during the evolution of epilepsy, but also provide a new insight into the clinical treatment.

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