Assessing the Diagnostic Accuracy of Corrected Flow Time (FTc) and Pleth Variability Index (PVI)...
Elective Posterior Lumbar Spinal Fusion for Spinal StenosisSpondylolisthesis2 moreAppropriate fluid management is an important part of anesthesia in patients undergoing surgery, and several dynamic indices have been suggested to have high predictability for fluid responsiveness in patients receiving mechanical ventilation. Among various surgical positions, the prone position is known to cause unique physiologic and hemodynamic changes and affect the predictability and cut-off values of dynamic indices for fluid responsiveness. A previous study reported that pulse pressure variation (PPV) and corrected flow time were able to predict fluid responsiveness with relatively high accuracy in patients undergoing spine surgery in the prone position using a Wilson frame. However, the Jackson frame is known to have less effects on the cardiovascular system compared to the Wilson frame, and therefore may be physiologically more appropriate in patients undergoing surgery in the prone position. The pleth variability index (PVI) is a dynamic index that can be monitored non-invasively in patients under mechanical ventilation. The present study aims evaluate the validity of PPV and pleth variability index (PVI) as predictors of fluid responsiveness in the supine and prone positions in patients undergoing posterior lumbar spinal fusion using the Jackson table.
The Utility of Oxygen Insufflation During Flexible Fiberoptic Bronchoscope-guided Intubation
Lumbar Spinal StenosisThis study investigate the utility of continuous oxygen insufflation during fiberoptic bronchoscope-guided intubation. One group receives oxygen via suction channel of fiberoptic bronchoscope during intubation. The other group does not receive oxygen during fiberoptic bronchoscope-guided intubation. Then, the velocity of deoxygenation difference of PaO2(baseline
Assessing Superion Clinical Endpoints vs. Decompression
Spinal StenosisLumbar Region With Neurogenic ClaudicationPURPOSE: The primary purpose of this study is to demonstrate that the Composite Clinical Success of the study group receiving the Superion® IDS is not inferior to the success rate observed in the study group treated by direct decompression at 60 months follow-up. Secondarily, the trial is intended to establish that Composite Clinical Success of the study group receiving the Superion® IDS at 24 months is not inferior to the success rate observed at 24 months in patients treated with the Superion® IDS in the original IDE trial. Thirdly, the trial is intended to establish that Composite Clinical Success of the population receiving the Superion® IDS in this trial at 24 months is not inferior to the success rate observed at 24 months in patients treated with direct decompression.
AlloGen-LI Treatment of Spinal Stenosis
Low Back PainIn this pilot study, investigators will test the efficacy of AlloGen-LI, an allograft derived from amniotic fluid, injected into the epidural space at the level of spinal stenosis as an anti-inflammatory treatment to relieve back and leg pain symptoms in patients with spinal stenosis and/or disc herniation. The patients will be followed for 12 weeks. The effect of this treatment will be examined by patient reported changes in pain and disability utilizing validated outcome measures, and MRI imaging evaluating changes in contrast enhancement and T2 signal related to that reflect inflammation and degeneration.
The Effect Site Concentration of Remifentanil for Conscious Sedation During Awake Nasotracheal Fiberoptic...
Cervical Disc HerniationCervical Spinal Stenosis1 moreRemifentanil provides analgesia, suppresses airway reflex, has little effect on cognitive function. It can be used for conscious sedation during awake nasotracheal fiberoptic intubation. Target-controlled infusion is more reliable technique for maintaining optimal infusion rate than manual controlled infusion. The aim of this study is to determine the effect site concentration of remifentanil for successful conscious sedation during awake nasotracheal fiberoptic intubation.
Safety and Efficacy Study of NeoFuse in Subjects Requiring Posterolateral Lumbar Fusion
Degenerative Disc DiseaseDegenerative Spondylolisthesis1 moreThe purpose of this study is to evaluate safety and preliminary efficacy of Neofusetm in subjects with a diagnosis of degenerative disc disease (DDD) in 1 or 2 adjacent vertebral levels between L1 and S1 and undergoing posterolateral lumbar fusion.
Modified-Thoracolumbar Interfascial Plane Block and Erector Spinae Plane Block Following Lumbar...
Lumbar Spine InstabilityLumbar Spinal Stenosis2 moreUltrasound (US)-guided peripheral nerve blocks have been used increasily due to the advantages of ultrasound in anesthesia practice. TLIP block is one of these nerve blocks performed under US guidance. In this technique, local anesthetic solution is injected between the multifidus and logissimus muscles nearly at the level of the 3rd lumbar vertebra and targets the dorsal rami of the thoracolumbar nerves. However, the visualisation of this technique may be difficult under US guidance. Therefore, modified-TLIP (mTLIP) block was defined as a new approach. It has been reported that mTLIP block may provide effective analgesia management after lumbar spine surgery. The ultrasound (US) guided erector spina plane block (ESPB) is a novel interfacial plan block defined by Forero et al. at 2016. Visualization of sonoanatomy with US is easy, and the spread of local anesthesic agents can be easily seen under the erector spinae muscle. Thus, analgesia occurs in several dermatomes with cephalad-caudad way. It has been reported that ESPB provides lumbar analgesia at T10-12, L3. The aim of this study is to compare US-guided mTLIP block and ESPB pain management after multi-level lumbar spinal instrumentation surgery.
Efficacy of Using Solum IV and BMC With GFC in TLIF
Degenerative Disc DiseaseIsthmic-lytic Spondylolisthesis2 moreThe purpose of this study is to examine the efficacy of using Solum IV and bone marrow concentrate with general fluid concentrate in Transforaminal Lumbar Interbody Fusion (TLIF).
NanOss Bioactive With Autograft and Bone Marrow Aspirate in the Posterolateral Spine
Lumbar Spinal Stenosis Secondary to Other DiseaseThe purpose of this study is to assess lumbar fusion using nanOss Bioactive bone void filler
Effects of a Spine Navigation System on Op-time and Radiation Exposure
Spinal StenosisScoliosis1 moreThe goal of this study is to prospectively collect information about the operative time and intraoperative radiation experienced by patients undergoing posterior spinal fusion procedures guided by the MvIGS spine navigation system.