User profiles for R. Rampersaud.

Ryan Rampersaud

University of California San Francisco
Verified email at ucsf.edu
Cited by 1764

Radiographic measurement parameters in thoracolumbar fractures: a systematic review and consensus statement of the spine trauma study group

…, FC Oner, J Dietz, B Kwon, R Rampersaud… - Spine, 2006 - journals.lww.com
… Comparison of the 2 methods showed that the calculated cross-sectional area was highly
correlated with the measured surface area (r = 0.95). They also found that a smaller transverse …

Nonoperative treatment for lumbar spinal stenosis with neurogenic claudication

…, KJ Stuber, E Rok, R Rampersaud… - Cochrane Database …, 1996 - cochranelibrary.com
Background Lumbar spinal stenosis with neurogenic claudication is one of the most commonly
diagnosed and treated pathological spinal conditions. It frequently afflicts the elderly …

Comparative outcomes of minimally invasive surgery for posterior lumbar fusion: a systematic review

…, K Sundararajan, RY Rampersaud - Clinical Orthopaedics …, 2014 - journals.lww.com
Background Although minimally invasive surgical (MIS) approaches to the lumbar spine for
posterior fusion are increasingly being utilized, the comparative outcomes of MIS and open …

[HTML][HTML] Early versus delayed decompression for traumatic cervical spinal cord injury: results of the Surgical Timing in Acute Spinal Cord Injury Study (STASCIS)

…, P Arnold, EM Massicotte, S Lewis, R Rampersaud - PloS one, 2012 - journals.plos.org
Background There is convincing preclinical evidence that early decompression in the setting
of spinal cord injury (SCI) improves neurologic outcomes. However, the effect of early …

Evidence for α-synuclein prions causing multiple system atrophy in humans with parkinsonism

…, JC Watts, R Rampersaud… - Proceedings of the …, 2015 - National Acad Sciences
Prions are proteins that adopt alternative conformations that become self-propagating; the
PrP Sc prion causes the rare human disorder Creutzfeldt–Jakob disease (CJD). We report …

Propagation of prions causing synucleinopathies in cultured cells

…, J Stöhr, A Aoyagi, R Rampersaud… - Proceedings of the …, 2015 - National Acad Sciences
Increasingly, evidence argues that many neurodegenerative diseases, including progressive
supranuclear palsy (PSP), are caused by prions, which are alternatively folded proteins …

Inerolysin, a Cholesterol-Dependent Cytolysin Produced by Lactobacillus iners

R Rampersaud, PJ Planet, TM Randis… - Journal of …, 2011 - Am Soc Microbiol
Lactobacillus iners is a common constituent of the human vaginal microbiota. This species
was only recently characterized due to its fastidious growth requirements and has been …

Surgical resection of epidural disease improves local control following postoperative spine stereotactic body radiotherapy

…, A Parent, D Letourneau, E Yu, R Rampersaud… - Neuro …, 2013 - academic.oup.com
Background Spine stereotactic body radiotherapy (SBRT) is increasingly being applied to
the postoperative spine metastases patient. Our aim was to identify clinical and dosimetric …

Biomechanical evaluation of a novel fenestrated pedicle screw augmented with bone cement in osteoporotic spines

PE Paré, JL Chappuis, R Rampersaud, AO Agarwala… - Spine, 2011 - journals.lww.com
Study Design. Comparative biomechanical study was conducted in osteoporotic human
cadaveric spines. Objective. Determine the influence of the volume of polymethyl methacrylate …

Cigarette smoke increases Staphylococcus aureus biofilm formation via oxidative stress

…, A Wang, FE Amaral, R Rampersaud… - Infection and …, 2012 - Am Soc Microbiol
The strong epidemiological association between cigarette smoke (CS) exposure and respiratory
tract infections is conventionally attributed to immunosuppressive and irritant effects of …