Yong Hu

Summary

Affiliation: The University of Hong Kong
Country: China

Publications

  1. doi request reprint Time-frequency analysis of somatosensory evoked potentials for intraoperative spinal cord monitoring
    Yong Hu
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong
    J Clin Neurophysiol 28:504-11. 2011
  2. doi request reprint Comparison of blind source separation methods in fast somatosensory-evoked potential detection
    Hongtao Liu
    Department of Orthopaedics and Traumatology, University of Hong Kong, Pokfulam, Hong Kong
    J Clin Neurophysiol 28:170-7. 2011
  3. doi request reprint Signal-to-noise ratio of intraoperative tibial nerve somatosensory-evoked potentials
    Yong Hu
    Department of Orthopaedic and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong
    J Clin Neurophysiol 27:30-3. 2010
  4. doi request reprint Orientation entropy analysis of diffusion tensor in healthy and myelopathic spinal cord
    Jiao Long Cui
    Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
    Neuroimage 58:1028-33. 2011
  5. doi request reprint Somatosensory-evoked potentials as an indicator for the extent of ultrastructural damage of the spinal cord after chronic compressive injuries in a rat model
    Yong Hu
    Department of Orthopaedics and Traumatology, Li Kai Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, PR China
    Clin Neurophysiol 122:1440-7. 2011
  6. doi request reprint Identification of detailed time-frequency components in somatosensory evoked potentials
    Zhiguo Zhang
    Department of Orthopaedic and Traumatology, The University of Hong Kong, Duchess of Kent Children s Hospital, Hong Kong, China
    IEEE Trans Neural Syst Rehabil Eng 18:245-54. 2010
  7. doi request reprint Histologic and electrophysiological changes of the paraspinal muscle after spinal fusion: an experimental study
    Yong Hu
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong
    Spine (Phila Pa 1976) 33:1418-22. 2008
  8. doi request reprint Lumbar muscle electromyographic dynamic topography during flexion-extension
    Yong Hu
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong
    J Electromyogr Kinesiol 20:246-55. 2010
  9. ncbi request reprint Fast extraction of somatosensory evoked potential based on second order blind identification
    Hongtao Liu
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam Road, Hong Kong
    Conf Proc IEEE Eng Med Biol Soc 2007:5457-60. 2007
  10. ncbi request reprint Multi-adaptive filtering technique for surface somatosensory evoked potentials processing
    Benny S C Lam
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong
    Med Eng Phys 27:257-66. 2005

Collaborators

Detail Information

Publications32

  1. doi request reprint Time-frequency analysis of somatosensory evoked potentials for intraoperative spinal cord monitoring
    Yong Hu
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong
    J Clin Neurophysiol 28:504-11. 2011
    ..To evaluate the potential use of time-frequency analysis and its reliability in intraoperative somatosensory evoked potential (SEP) monitoring...
  2. doi request reprint Comparison of blind source separation methods in fast somatosensory-evoked potential detection
    Hongtao Liu
    Department of Orthopaedics and Traumatology, University of Hong Kong, Pokfulam, Hong Kong
    J Clin Neurophysiol 28:170-7. 2011
    ..In summary, second-order blind identification using six covariance matrix denoting SOBI6 was recommended as the most appropriate BSS method for fast SEP extraction from noisy backgrounds...
  3. doi request reprint Signal-to-noise ratio of intraoperative tibial nerve somatosensory-evoked potentials
    Yong Hu
    Department of Orthopaedic and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong
    J Clin Neurophysiol 27:30-3. 2010
    ..The results from this study can be used to understand the nature of SEP signals, which could guide researchers and designers on SEP denoising method selection, extraction, and measurement, as well as equipment development...
  4. doi request reprint Orientation entropy analysis of diffusion tensor in healthy and myelopathic spinal cord
    Jiao Long Cui
    Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
    Neuroimage 58:1028-33. 2011
    ....
  5. doi request reprint Somatosensory-evoked potentials as an indicator for the extent of ultrastructural damage of the spinal cord after chronic compressive injuries in a rat model
    Yong Hu
    Department of Orthopaedics and Traumatology, Li Kai Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, PR China
    Clin Neurophysiol 122:1440-7. 2011
    ..Yet the exact pathophysiology behind it remains to be elucidated. This study aims to characterise the ultrastructural changes of a chronically compressive spinal cord with various SEP responses in a rat model...
  6. doi request reprint Identification of detailed time-frequency components in somatosensory evoked potentials
    Zhiguo Zhang
    Department of Orthopaedic and Traumatology, The University of Hong Kong, Duchess of Kent Children s Hospital, Hong Kong, China
    IEEE Trans Neural Syst Rehabil Eng 18:245-54. 2010
    ..The statistical properties of these SEP waves were examined and their representative waveforms were synthesized. The identified SEP waves provided a comprehensive and detailed description of time-frequency features of SEP...
  7. doi request reprint Histologic and electrophysiological changes of the paraspinal muscle after spinal fusion: an experimental study
    Yong Hu
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong
    Spine (Phila Pa 1976) 33:1418-22. 2008
    ..Experimental study evaluated electrophysiological and histologic changes in the paraspinal muscle after spinal fusion...
  8. doi request reprint Lumbar muscle electromyographic dynamic topography during flexion-extension
    Yong Hu
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong
    J Electromyogr Kinesiol 20:246-55. 2010
    ..The dynamic topography allows the continuous visualization of the distribution of surface EMG signals and the coordination of muscular contractions...
  9. ncbi request reprint Fast extraction of somatosensory evoked potential based on second order blind identification
    Hongtao Liu
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam Road, Hong Kong
    Conf Proc IEEE Eng Med Biol Soc 2007:5457-60. 2007
    ..96). The fast extracted SEP showed stable amplitude and latency, which are almost identical with the SEP template. The results suggested that SOBI is an appropriate method to extract SEP from noisy background...
  10. ncbi request reprint Multi-adaptive filtering technique for surface somatosensory evoked potentials processing
    Benny S C Lam
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong
    Med Eng Phys 27:257-66. 2005
    ..Results showed that MAF with 50 input trials could provide similar performance in SEP detection to those extracted by the conventional averaging method with 1000 trials even at an SNR of -20 dB...
  11. doi request reprint An automated ECG-artifact removal method for trunk muscle surface EMG recordings
    Joseph N F Mak
    Department of Orthopaedics and Traumatology, The University of Hong Kong, 12 Sandy Bay Road, Pokfulam, Hong Kong
    Med Eng Phys 32:840-8. 2010
    ..The automatic nature of our method has solved the problem of visual inspection by standard ICA methods and brings great clinical benefits...
  12. ncbi request reprint Adaptive signal enhancement of somatosensory evoked potential for spinal cord compression detection: an experimental study
    Yong Hu
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Duchess of Kent Children s Hospital, 12 Sandy Bay Road, Hong Kong, China
    Comput Biol Med 35:814-28. 2005
    ..Because of its fast and reliable SEP detection, the ASE method is ideal for spinal cord monitoring in the clinical setting...
  13. pmc Time-frequency component analysis of somatosensory evoked potentials in rats
    Zhi Guo Zhang
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong, PR China
    Biomed Eng Online 8:4. 2009
    ..The purpose of this study is to measure and identify detailed time-frequency components in normal SEP using time-frequency analysis (TFA) methods and to obtain their distribution pattern in the time-frequency domain...
  14. doi request reprint Entropy-based analysis for diffusion anisotropy mapping of healthy and myelopathic spinal cord
    Jiao Long Cui
    Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong
    Neuroimage 54:2125-31. 2011
    ..It indicated the potential application of entropy-based analysis for the diagnosis of the severity of chronic compressive spinal cord injuries, i.e. CSM...
  15. doi request reprint Flexion-relaxation ratio in sitting: application in low back pain rehabilitation
    Joseph N F Mak
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong
    Spine (Phila Pa 1976) 35:1532-8. 2010
    ..A multiple-comparative study between normal and low back pain (LBP) patients before and after rehabilitation...
  16. doi request reprint In vivo diffusion tensor imaging of chronic spinal cord compression in rat model
    Matthew M Cheung
    Shujuan Fan are with the Laboratory of Biomedical Imaging and Signal Processing and the Department of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam, Hong Kong
    Conf Proc IEEE Eng Med Biol Soc 2009:2715-8. 2009
    ..Near the epicenter of lesion, axial diffusivity (lambda(//)) is lower. Also, caudal-rostral asymmetry has been observed in lambda(//). Feasibility of using DTI to detect microstructural changes in chronic disease has been demonstrated...
  17. doi request reprint Magnetization transfer (MT) asymmetry around the water resonance in human cervical spinal cord
    Man Cheuk Ng
    Department of Electrical and Electronic Engineering, University of Hong Kong, Pokfulam, Hong Kong
    J Magn Reson Imaging 29:523-8. 2009
    ....
  18. ncbi request reprint Time-frequency feature of intraoperative somatosensory evoked potential signals
    Yong Hu
    Department of Orthopaedics and Traumatology, The University of Hong Kong
    Conf Proc IEEE Eng Med Biol Soc 2007:2448-51. 2007
    ..Applying time-frequency analysis to SEP may improve the reliability of intraoperative spinal cord monitoring...
  19. ncbi request reprint Validation of an adaptive signal enhancer in intraoperative somatosensory evoked potentials monitoring
    Benny S C Lam
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong
    J Clin Neurophysiol 21:409-17. 2004
    ..Because of its fast extraction ability, adaptive signal enhancement could be an appropriate alternative to conventional ensemble averaging in intraoperative spinal cord monitoring...
  20. ncbi request reprint Cervical spinal cord BOLD fMRI study: modulation of functional activation by dexterity of dominant and non-dominant hands
    Man Cheuk Ng
    Jockey Club MRI Centre, The University of Hong Kong, Pokfulam, Hong Kong
    Neuroimage 39:825-31. 2008
    ..Therefore, differences in activity between the left and right hands were less apparent. Our results showed the modulation of activation intensity in the spinal cord by the dexterity...
  21. doi request reprint Is diffusion anisotropy a biomarker for disease severity and surgical prognosis of cervical spondylotic myelopathy?
    Chun Yi Wen
    From the Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 12 Sandy Bay Rd, Pokfulam, Hong Kong
    Radiology 270:197-204. 2014
    ..176), SEP amplitude (P = .154), and latency (P = .260) did not. Conclusion FA is a biomarker for the severity of myelopathy and for subsequent surgical outcome. © RSNA, 2013 Online supplemental material is available for this article. ..
  22. doi request reprint Quantitative analysis of fiber tractography in cervical spondylotic myelopathy
    Chun Yi Wen
    Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 12 Sandy Bay Rd, Pokfulam, Hong Kong
    Spine J 13:697-705. 2013
    ..Diffusion tensor fiber tractography is an emerging tool for the visualization of spinal cord microstructure. However, there are few quantitative analyses of the damage in the nerve fiber tracts of the myelopathic spinal cord...
  23. doi request reprint Prognostic value of somatosensory-evoked potentials in the surgical management of cervical spondylotic myelopathy
    Yong Hu
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong
    Spine (Phila Pa 1976) 33:E305-10. 2008
    ..Preoperative somatosensory-evoked potentials (SEPs) were retrospectively analyzed and classified, and compared with surgical outcome...
  24. ncbi request reprint Effect of electrocardiographic contamination on surface electromyography assessment of back muscles
    Yong Hu
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong
    J Electromyogr Kinesiol 19:145-56. 2009
    ..05) and MF in all measuring conditions (p<0.05). This study provides a more complete understanding on the relative effect of ECG contamination on back muscles SEMG parameters and LBP assessment...
  25. pmc Implicit motor learning promotes neural efficiency during laparoscopy
    Frank F Zhu
    Institute of Human Performance, The University of Hong Kong, Pokfulam, Hong Kong, People s Republic of China
    Surg Endosc 25:2950-5. 2011
    ..The authors tested the utility of an implicit motor learning intervention specifically devised to promote neural efficiency by reducing verbal-analytic involvement in laparoscopic performance...
  26. pmc Causality in the association between P300 and alpha event-related desynchronization
    Weiwei Peng
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong, China
    PLoS ONE 7:e34163. 2012
    ..All these findings showed that P300 in the target condition is modulated by the changes of α-ERD, which would be useful to explore neural mechanism of cognitive information processing in the human brain...
  27. doi request reprint Quality of life of traumatic spinal cord injured patients in Hong Kong
    Yong Hu
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam
    J Rehabil Med 40:126-31. 2008
    ..To assess the health-related quality of life of patients with traumatic spinal cord injury living in Hong Kong...
  28. ncbi request reprint Abnormal diffusion tensor in nonsymptomatic familial amyotrophic lateral sclerosis with a causative superoxide dismutase 1 mutation
    Man Cheuk Ng
    Department of Orthopaedics and Traumatology, University of Hong Kong, Hong Kong
    J Magn Reson Imaging 27:8-13. 2008
    ....
  29. ncbi request reprint Comparison of time-frequency analysis techniques in intraoperative somatosensory evoked potential (SEP) monitoring
    Yong Hu
    Department of Orthopaedic Surgery, The University of Hong Kong, Duchess of Kent Children s Hospital, 12 Sandy Bay Road, Hong Kong
    Comput Biol Med 32:13-23. 2002
    ..The most appropriate TFA technique may depend on the type of SEP signal, Short term Fourier transform (STFT) with a 20 point length Hanning window probably provides the best result for SEP signals...
  30. ncbi request reprint Consequence of paraspinal muscle after spinal fusion: an experimental study
    Yong Hu
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Republic of China
    Stud Health Technol Inform 123:461-6. 2006
    ..These results would demonstrate the lower activities and muscle disuse atrophy of paraspinal muscles in the fusion region. While, higher muscular activities were found in the lower adjacent region, which may indicate muscle hypertrophy...
  31. ncbi request reprint Proton-density-weighted spinal fMRI with sensorimotor stimulation at 0.2 T
    Man Cheuk Ng
    Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, 5 F, Professor Block, Queen Mary Hospital, Pokfulam, Hong Kong
    Neuroimage 29:995-9. 2006
    ..Our results suggested the existence of task-driven proton density change in the cervical spinal cord...
  32. doi request reprint Brain resting-state functional MRI connectivity: morphological foundation and plasticity
    Iris Y Zhou
    Laboratory of Biomedical Imaging and Signal Processing, The University of Hong Kong, Pokfulam, Hong Kong, China Department of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam, Hong Kong, China
    Neuroimage 84:1-10. 2014
    ....