A prospective, randomized, multicenter food and drug administration investigational device exemptions study of lumbar total disc replacement with the CHARITE™ …

S Blumenthal, PC McAfee, RD Guyer, SH Hochschuler… - 2005 - journals.lww.com
… Geisler FH, Blumenthal SL, Guyer RD, et al. Neurological complications of lumbar artificial
disc replacement and comparison of clinical results with those related to lumbar arthrodesis in …

Intradiscal pressure measurements above an instrumented fusion: a cadaveric study

SL Weinhoffer, RD Guyer, M Herbert, SL Griffith - Spine, 1995 - journals.lww.com
Study Design. An in vitro study to determine the intradiscal pressure changes during flexion
in levels above a simulated fusion was performed. Objectives. To determine if intradiscal …

Dallas discogram description a new classification of CT/discography in low-back disorders

BL Sachs, H Vanharanta, MA Spivey, RD Guyer… - Spine, 1987 - journals.lww.com
A new classification method for CT/discography was developed. The Dallas discogram
description (DDD) related five separate categories of information. Degeneration and annular …

Prospective, randomized, multicenter study of cervical arthroplasty: 269 patients from the Kineflex C artificial disc investigational device exemption study with a …

D Coric, PD Nunley, RD Guyer, D Musante… - … of Neurosurgery: Spine, 2011 - thejns.org
Guyer has direct stock ownership in and is a consultant for SpinalMotion, Inc. Dr.
Musante received clinical or research support for the study described from SpinalMotion, Inc. …

Prospective, randomized, multicenter Food and Drug Administration investigational device exemption study of lumbar total disc replacement with the CHARITE …

RD Guyer, PC McAfee, RJ Banco, FD Bitan… - The Spine Journal, 2009 - Elsevier
BACKGROUND CONTEXT: The CHARITÉ artificial disc, a lumbar spinal arthroplasty device,
was approved by the United States Food and Drug Administration in 2004 based on two-…

Reported pain during lumbar discography as a function of anular ruptures and disc degeneration: a re-analysis of 833 discograms

…, M Spivey, H Vanharanta, BL Sachs, RD Guyer… - Spine, 1994 - journals.lww.com
Study Design: This re-analysis was based on 833 computed tomography/discograms collected
from 306 candidates for back surgery. Objectives: The goal was to test the hypothesis that …

A prospective, randomized, multicenter food and drug administration investigational device exemption study of lumbar total disc replacement with the CHARITÉ™ …

…, G Holsapple, K Adams, S Blumenthal, RD Guyer… - 2005 - journals.lww.com
Study Design. A prospective, randomized, multicenter, Food and Drug Administration-regulated,
investigational device exemption clinical trial. Objectives. To compare the safety and …

The use of presurgical psychological screening to predict the outcome of spine surgery

AR Block, DD Ohnmeiss, RD Guyer, RF Rashbaum… - The Spine Journal, 2001 - Elsevier
Background context: Several previous studies have shown that psychosocial factors can
influence the outcome of elective spine surgery. Purpose:The purpose of the current study was …

Alar transverse process impingement of the L5 spinal nerve: the far-out syndrome

LL Wiltse, RD Guyer, CW Spencer, WV Glenn, IS Porter - Spine, 1984 - journals.lww.com
This syndrome occurs in two types of patients:(1) the elderly person with degenerative scoliosis
and (2) a somewhat younger adult population with isthmic spondylolisthesis and at least …

Intervertebral disc prostheses

RD Guyer, DD Ohnmeiss - Spine, 2003 - journals.lww.com
Study Design. This article is based on a comprehensive review of the literature related to
intervertebral disc prostheses. Objective. To compile an overview of the results and …