Explanipedia

Do Spinopelvic Parameters Matter in Short-segment Posterior Lumbar Spinal Fusions? A Meta-Analysis Open

Lee Onn Chieng, Daniel K. Fahim · 2023

Feasibility of Human Neural Stem Cell Transplantation for the Treatment of Acute Subdural Hematoma in a Rat Model: A Pilot Study Open

Shoji Yokobori, Kazuma Sasaki, Takahiro Kanaya, Yutaka Igarashi, Ryuta Nakae , et al. · 2019

Human neural stem cells (hNSCs) transplantation in several brain injury models has established their therapeutic potential. However, the feasibility of hNSCs transplantation is still not clear for acute subdural hematoma (ASDH) brain injur…

The Role of Dynamic Magnetic Resonance Imaging in Cervical Spondylotic Myelopathy Open

John Paul G. Kolcun, Lee Onn Chieng, Karthik Madhavan, Michael Y. Wang · 2017

Dynamic spinal cord compression has been investigated for several years, but until the advent of open MRI, the use of dynamic MRI (dMRI) did not gain popularity. Several publications have shown that cervical cord compression is both static…

Minimally-Invasive versus Conventional Repair of Spondylolysis in Athletes: A Review of Outcomes and Return to Play Open

John Paul G. Kolcun, Lee Onn Chieng, Karthik Madhavan, Michael Y. Wang · 2017

Spondylolysis from pars fracture is a common injury among young athletes, which can limit activity and cause chronic back pain. While current literature has examined the relative benefits of surgical and conservative management of these in…

Augmented-reality integrated robotics in neurosurgery: are we there yet? Open

Karthik Madhavan, John Paul G. Kolcun, Lee Onn Chieng, Michael Y. Wang · 2017

Surgical robots have captured the interest—if not the widespread acceptance—of spinal neurosurgeons. But successful innovation, scientific or commercial, requires the majority to adopt a new practice. “Faster, better, cheaper” products sho…

Trends in Open and Endoscopic Cubital Tunnel Release in the Medicare Patient Population Open

Tsun Yee Law, Zachary Hubbard, Lee Onn Chieng, Harvey Chim · 2016

Background: Cubital tunnel syndrome (CUT) is the second most common peripheral neuropathy with an annual incidence of 24.7 per 100 000, affecting nearly twice as many men as women. With increasing focus on cost-effectiveness and cost-conta…

Surgical outcomes of elderly patients with cervical spondylotic myelopathy: a meta-analysis of studies reporting on 2868 patients Open

Karthik Madhavan, Lee Onn Chieng, Hanyao Foong, Michael Y. Wang · 2016

OBJECTIVE Cervical spondylotic myelopathy usually presents in the 5th decade of life or later but can also present earlier in patients with congenital spinal stenosis. As life expectancy continues to increase in the United States, the prec…

Early experience with endoscopic foraminotomy in patients with moderate degenerative deformity Open

Karthik Madhavan, Lee Onn Chieng, Lynn B. McGrath, Christoph P. Hofstetter, Michael Y. Wang · 2016

OBJECTIVE Asymmetrical degeneration of the disc is one of the most common causes of primary degenerative scoliosis in adults. Coronal deformity is usually less symptomatic than a sagittal deformity because there is less expenditure of ener…

Early experience with endoscopic revision of lumbar spinal fusions Open

Lynn B. McGrath, Karthik Madhavan, Lee Onn Chieng, Michael Y. Wang, Christoph P. Hofstetter · 2016

Approximately half a million spinal fusion procedures are performed annually in the US. It is estimated that up to one-third of arthrodesis constructs require revision surgeries. In this study the authors present endoscopic treatment strat…

Transforaminal endoscopic discectomy to relieve sciatica and delay fusion in a 31-year-old man with pars defects and low-grade spondylolisthesis Open

Karthik Madhavan, Lee Onn Chieng, Christoph P. Hofstetter, Michael Y. Wang · 2016

Isthmic spondylolisthesis due to pars defects resulting from trauma or spondylolysis is not uncommon. Symptomatic patients with such pars defects are traditionally treated with a variety of fusion surgeries. The authors present a unique ca…

Reconstruction of open wounds as a complication of spinal surgery with flaps: a systematic review Open

Lee Onn Chieng, Zachary Hubbard, Christopher J. Salgado, Allan D. Levi, Harvey Chim · 2015

OBJECT A systematic review of the available evidence on the prophylactic and therapeutic use of flaps for the coverage of complex spinal soft-tissue defects was performed to determine if the use of flaps reduces postoperative complications…

Pooled data analysis on anterior versus posterior approach for rheumatoid arthritis at the craniovertebral junction Open

Lee Onn Chieng, Karthik Madhavan, Steven Vanni · 2015

OBJECT Rheumatoid arthritis (RA) is one of the most debilitating autoimmune diseases affecting the craniovertebral junction (CVJ). Patients predominantly present with myelopathic symptoms and intractable neck pain. The surgical approach tr…

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