Transdiscal screw versus pedicle screw fixation for high-grade L5-S1 isthmic spondylolisthesis in patients younger than 60 years: a case–control study

2016 ◽  
Vol 25 (6) ◽  
pp. 1806-1812 ◽  
Author(s):  
Isabel Collados-Maestre ◽  
Alejandro Lizaur-Utrilla ◽  
Teresa Bas-Hermida ◽  
Esther Pastor-Fernandez ◽  
Vicente Gil-Guillen
Keyword(s):  
Pedicle Screw ◽  
Case Control Study ◽  
Screw Fixation ◽  
Case Control ◽  
Pedicle Screw Fixation ◽  
High Grade ◽  
Isthmic Spondylolisthesis ◽  
Control Study

S2012 Prevalence of High Grade Neoplasia (HGN) in Familial Pancreatic Cancer (PC) Precursors:a Case-Control Study

2009 ◽  
Vol 136 (5) ◽  
pp. A-313
Author(s):  
Marcia I. Canto ◽  
Kieran Brune ◽  
Michael G. Goggins ◽  
Richard D. Schulick ◽  
Charles J. Yeo ◽  
...  
Keyword(s):  
Pancreatic Cancer ◽  
Case Control Study ◽  
Case Control ◽  
Familial Pancreatic Cancer ◽  
High Grade ◽  
Control Study

High-Grade Decubitus Ulcers in the Elderly: A Postmortem Case–Control Study of Risk Factors

2005 ◽  
Vol 1 (3) ◽  
pp. 193-196 ◽  
Author(s):  
K. Pueschel ◽  
A. Heinemann ◽  
T. Krause ◽  
S. Anders ◽  
W. von Renteln-Kruse
Keyword(s):  
Risk Factors ◽  
Case Control Study ◽  
The Elderly ◽  
Case Control ◽  
High Grade ◽  
Decubitus Ulcers ◽  
Control Study

Sacral fractures following stand-alone L5–S1 anterior lumbar interbody fusion for isthmic spondylolisthesis

2010 ◽  
Vol 13 (2) ◽  
pp. 288-293 ◽  
Author(s):  
Jeffrey F. Lastfogel ◽  
Thomas J. Altstadt ◽  
Richard B. Rodgers ◽  
Eric M. Horn
Keyword(s):  
Pedicle Screw ◽  
Interbody Fusion ◽  
Screw Fixation ◽  
High Stress ◽  
Pedicle Screw Fixation ◽  
Anterior Lumbar Interbody Fusion ◽  
Integrated System ◽  
Lumbar Interbody Fusion ◽  
Isthmic Spondylolisthesis ◽  
Sacral Fractures

Recent studies have demonstrated excellent results in treating isthmic spondylolisthesis via an anterior lumbar interbody fusion (ALIF). The authors describe 3 patients with isthmic spondylolisthesis at L5–S1 who experienced sacral fractures after insertion of a unique, stand-alone anterior interbody fixation device. Three consecutive patients at a single institution were treated for Grade I spondylolisthesis at L5–S1 via a standalone ALIF with insertion of a novel biomechanical interbody device. This device is made of polyetheretherketone and has an integrated system for internal fixation into the vertebral bodies. In each patient a bone morphogenetic protein–soaked sponge was placed for the fusion. The indications for treatment in each patient were back and radicular pain that had been unsuccessfully treated with conservative measures. All 3 patients had reduction of their spondylolisthesis and resolution of their unilateral radiculopathies immediately postoperatively. Within 1 month of surgery, all 3 patients had failure of the device and recurrence of their symptoms. In each case the failure was due to fracture of the anterior portion of the S-1 body. Each patient underwent reduction and pedicle screw fixation at L5–S1. In all cases, there was successful reduction in their recurrent spondylolisthesis and resolution of their radiculopathies. Treatment of Grade I isthmic spondylolisthesis at L5–S1 with stand-alone ALIF and fixation can lead to sacral fracture from high stress loads at that level in the spine, and consideration should be made either for supplemental pedicle screw fixation or a completely posterior approach.

Comparison of Pedicle Screw Fixation With or Without Cement Augmentation Combined With Single-segment Isthmic Spondylolisthesis in Osteoporotic Spine

2021 ◽  
Author(s):  
Jian-cheng Peng ◽  
Hui-zhi Guo ◽  
Chen-guang Zhan ◽  
Hua-sheng Huang ◽  
Yan-huai Ma ◽  
...  
Keyword(s):  
Pedicle Screw ◽  
Screw Fixation ◽  
Operation Time ◽  
Cement Leakage ◽  
Fusion Rate ◽  
Pedicle Screw Fixation ◽  
Isthmic Spondylolisthesis ◽  
Screw Loosening ◽  
Single Segment ◽  
Significant Difference

Abstract PurposeThis study aims to investigate the necessity of cement-augmented pedicle screw fixation in single-segment isthmic spondylolisthesis with osteoporosis.MethodFifty-nine cases were reviewed retrospectively. Thirty-three cases were in the polymethylmethacrylate-augmented pedicle screw (PMMA-PS) group, and the other 26 cases were in the conventional pedicle screw (CPS) group. Evaluation data included operation time, intraoperative blood loss,hospitalization cost, hospitalization days, rates of fusion, screw loosening, bone cement leakage, visual analog scores (VAS) , Oswestry disability index (ODI) , Lumbar Lordosis（LL）, Pelvic Tilt（PT） and Sacral Slope（SS）. ResultsThe operation time and blood loss in the CPS group decreased significantly compared to the PMMA-PS group (P < 0.05). The average hospitalization cost of the PMMA group was significantly higher than that of the CPS group (P < 0.05). There was no significant difference for the average hospital stay between the 2 groups (P > 0.05). The initial and the last follow-up postoperative VAS and ODI improved significantly in the two groups (P < 0.05). There were no significant differences in VAS and ODI at each time point between the 2 groups (P > 0.05). The last postoperative spine-pelvic parameters were significantly improved compared with preoperation (P < 0.05). In the PMMA-PS group, the fusion rate was 100%. The fusion rate was 96.15% in the CPS group. No significant difference was found between the two groups for the fusion rate (P > 0.05). Nine cases in the PMMA-PS group had bone cement leakage (27.27%). There was not screw loosening in the PMMA-PS group. There were 2 cases of screw loosening in the CPS group. There were no significant differences in screw loosening, postoperative adjacent segment fractures, postoperative infection or postoperative revision between the 2 groups (P > 0.05). ConclusionsThe use of PMMA-PS on a regular basis is not recommended for posterior lumbar interbody fusion for the treatment of single-segment isthmic spondylolisthesis with osteoporosis.

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