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Surgical Anatomy and Techniques to the Spine E-Book

Surgical Anatomy and Techniques to the Spine E-Book

Daniel H. Kim | Alexander R. Vaccaro | Curtis A. Dickman | Dosang Cho | SangKook Lee | Ilsup Kim

(2013)

Additional Information

Abstract

Featuring an expanded focus on in-demand endoscopic and minimally invasive spine procedures, Surgical Anatomy and Techniques to the Spine, 2nd Edition pairs new anatomic photographs and radiographic images with expertly rendered color illustrations and clear, step-by-step descriptions to help you effectively perform all of the latest and most effective spine surgery techniques. A multidisciplinary approach makes this medical reference book relevant and informative to all surgeons regardless of their specialty or level of surgical experience with the spine.

  • Proceed with confidence. An atlas-style format featuring clear, concise, step-by-step descriptions of the anatomy and procedures along with clinical hints and pearls, tables, and management algorithms provideing swift answers and trusted guidance.
  • Sharpen your surgical acumen with a deeper understanding of the anatomy of the surgical target and related anatomy. Comprehensive information on cervical, cervical/thoracic, thoracic/lumbar, lumbar spine, lumbar/pelvis, and other surgical locations ensures the best approaches to spine surgery and results.
  • Understand the spine from all angles with multiple-viewpoint, full-color photographs, and illustrations.

Table of Contents

Section Title Page Action Price
Front cover cover
ExpertConsult Page IFC1
Surgical Anatomy and Techniques to the Spine i
Copyright page iv
Associate Editors v
Dedications vii
Acknowledgments viii
Preface ix
Contributors x
Table of Contents xix
A Craniovertebral Junction and Upper Cervical Spine 1
1 Surgical Anatomy and Biomechanics of the Craniovertebral Junction 2
Overview 2
Embryology of the Craniovertebral Junction 2
Normal Developmental Embryology of the Craniovertebral Junction 2
Developmental Anomalies of the Craniovertebral Junction 3
Surgical Anatomy of the Craniovertebral Junction 4
Bony Structures of the Craniovertebral Junction 4
Foramen Magnum and Occipital Condyle 4
Occipital Condyle. 4
The Atlas (C1) 5
Axis (C2) 7
Ligamentous and Membranous Structures of the Craniovertebral Junction 10
Neuroradiology of the Craniovertebral Junction 11
Skull Base and Atlantoaxial Morphometry 11
Indices for Skull Base and Craniocervical Junction on a Lateral (Sagittal) View (Table 1-1). 11
Indices for Skull Base and Craniocervical Junction on an Anteroposterior (Coronal) View (Table 1-2). 13
Indices for Atlantoaxial Instability (Table 1-3). 13
Biomechanics of the Craniovertebral Junction 14
Occ–C1 Complex 14
Atlantoaxial Complex 15
Conclusions 15
Acknowlegment 15
References 15
2 Transoral Approach to the Craniocervical Junction and Upper Cervical Spine 17
Overview 17
Anatomy 17
Ventral Pathology of the Craniocervical Junction 21
Indications 21
Relative Contraindications 21
Surgical Technique 22
Preparation and Positioning 22
Surgical Procedure 22
Conclusion 29
References 29
3 Transmaxillary and Transmandibular Approaches to the Clivus and Upper Cervical Spine 30
Overview 30
Anatomy Review 30
Bony and Ligamentous Anatomy 30
Muscular Anatomy 31
Relevant Neurovascular Anatomy 31
Indications and Contraindications 31
Operative Technique 34
Unilateral Le Fort I Osteotomy with Palatal Split 34
Bilateral Le Fort I Osteotomies with Downfracture of the Maxilla 34
Bilateral Le Fort I Osteotomies with Palatal Split 34
Mandibulotomy 34
Mandibulotomy with Midline Glossotomy 34
Mandibular Swing-Transcervical 36
Complications 36
References 37
4 High Cervical Retropharyngeal Approach to the Craniocervical Junction 38
Overview 38
Medial Retropharyngeal Approach (Anterior Retropharyngeal Approach) 38
Lateral Retropharyngeal Approach 42
Summary 46
5 Approaches to the Craniocervical Junction: 47
Overview 47
Posterior Approaches 47
Anatomy 47
Positioning 48
Surgical Technique 48
Lateral Approaches 50
B Mid and Lower Cervical Spine 119
13 Surgical Anatomy and Biomechanics in the Mid and Lower Cervical Spine 120
Overview 120
Surface Anatomy 120
Vertebral Column 120
Vertebral Body 120
End Plates 120
Uncal Process 120
Transverse Process 121
Neural Foramen 121
Anterior and Posterior Tubercles 121
Pedicles 121
Spinal Canal 122
Lateral Mass 122
Facet Joint 122
Lamina and Spinous Processes 123
Intervertebral Disk Space 123
Disk Space 123
Intervertebral Disk 123
Annulus Fibrosus 123
Nucleus Pulposus 123
Spinal Cord 123
Spinal Cord and Nerve Roots 123
Spinal Cord Blood Supply 124
Neurovascular Structures 124
Carotid Sheath 124
Superior Laryngeal Nerve 125
Inferior (Recurrent) Laryngeal Nerve 125
Hypoglossal Nerve 125
Sympathetic Chain 125
Vertebral Artery 125
Viscera 126
Ligaments 126
Anterior Longitudinal Ligament 127
Posterior Longitudinal Ligament 127
Ligamenta Flava 127
Capsular Ligaments 127
Ligamentum Nuchae 127
Intertransverse Ligaments 127
Fascia and Musculature 127
Fascia 127
Investing Layer 127
Pretracheal (Visceral) Layer 127
Prevertebral Layer 128
Ventral Musculature 128
C Cervicothoracic Junction and Thoracic Spine 242
25 Surgical Anatomy and Biomechanics in the Cervicothoracic Junction and Thoracic Spine 243
Overview 243
Surgical Anatomy 243
Anterior Approaches 243
Anterolateral Transthoracic Approaches 245
Posterolateral Approaches 247
Biomechanics 247
Anatomic Considerations 247
Instrumentation 248
References 248
26 Anterior Approaches to the Cervicothoracic Junction 249
Overview 249
Anatomy 249
Thoracic Inlet 249
Vascular and Visceral Compartments of the Superior Mediastinum 249
Fascial Layers 249
Venous Structures 249
Arterial Structures 249
Retropharyngeal and Retromediastinal Spaces 250
Operative Techniques 250
Low-Cervical Approach 250
Supraclavicular Approach 251
Transmanubrial-Transclavicular Approach 251
Transsternal-Transthoracic Approach 252
27 Posterolateral Approaches to the Cervicothoracic Junction: 254
Overview 254
Anatomy 254
Muscles of the Scapular and Parascapular Region 254
Superficial Muscle Group (Fig. 27-1) 254
Trapezius 254
Rhomboid Major 254
Rhomboid Minor 254
Levator Scapulae 254
Intermediate Muscle Group 255
Serratus Posterior 255
Splenius Capitis 255
Spenius Cervicis 255
Deep Muscle Group 255
Erector Spinae 255
Iliocostalis 255
Longissimus 255
Spinalis 255
Transversospinalis 255
Semispinalis 256
Multifidus 256
Rotares 256
Posterior Thoracic Cage (Fig. 27-3) 256
Vertebral Body and Rib Articulation 256
Ligaments of Rib Articulation 257
Rib Interconnection 257
Retromediastinal Space 257
Neural structures (Fig. 27-7): 258
Surgical Approaches 258
Laminectomy 258
Indications and Advantages 258
Contraindications and Disadvantages 259
Patient Positioning and Preparation (Fig. 27-9) 259
Operation 259
Closure 259
Posterolateral Approaches 259
Transpedicular Approach 259
Indications and Advantages. 259
Contraindications and Disadvantages. 260
Patient Positioning and Preparation. 260
Operation 261
Closure. 261
Costotransversectomy 261
Indications and Advantages. 261
Contraindications and Disadvantages. 261
Patient Positioning and Preparation. 262
Operation 262
Closure 263
Lateral Extracavitary Parascapular Extrapleural Approach 263
Indications and Advantages. 263
Contraindication and Disadvantages. 263
Patient Positioning and Preparation. 263
Operation 264
Closure 266
Summary 266
References 266
28 Anterolateral Transthoracic Approaches to the Thoracic Spine 267
Overview 267
Anatomic Considerations 267
Superficial (Extrapleural) 267
Deep (Intrapleural) 267
Indications 268
Contraindications 268
Operative Technique 268
Disk Lesions 270
Foraminal Decompression 270
Corpectomy 271
Postoperative Care 271
Considerations Specific to the Proximal Thoracic Spine Approach 271
Considerations Specific to the Thoracolumbar Junction Approach 272
Complications 272
Decreased Pulmonary Function 272
Infection 272
Chyle Leak 272
Dural Tear/Cerebrospinal Fluid Leak 273
Conclusion 273
References 273
29 Anterior and Posterior Cervicothoracic Junction Stabilization Techniques 274
Overview 274
Operative Anatomy 274
Surgical Approaches 274
Anterior Surgical Approaches to the Cervicothoracic Junction 274
Positioning 275
Technique 275
Low Cervical Approach 275
Transsternal-Transmanubrial Approach 276
Thoracotomy 276
Posterior Approach 276
Posterior Surgical Approaches to the Cervicothoracic Junction 278
Lateral Mass Screws 278
Positioning 278
D Thoracolumbar and Lumbar Spines 324
34 Surgical Anatomy and Posterior Approach to the Thoracic and Thoracolumbar Spine 325
Overview 325
Muscular Anatomy 325
Posterior Thoracic Cage 326
Posterior Mediastinal Space and Neurovascular Structure 328
Lateral Extracavitary Approach 329
Positioning and Incision 329
Muscle Dissection 329
Rib Resection 330
Identification of the Neural Foramen 330
Corpectomy or Disketomy 330
Vertebral Body Reconstruction 331
Wound Closure 331
Transcostovertebral Approach 331
Costotransversectomy 331
Positioning and Incision 332
Muscle Dissection 332
Rib Resection 332
Exposure of Vertebral Bodies and Spinal Cord 333
Wound Closure 334
Total En Bloc Spondylectomy: Thoracic Spine 334
Indications 334
Surgical Technique 334
Step 1. En Bloc Resection of the Posterior Element of the Vertebra by Posterior Approach 334
Exposure. 334
Introduction of the T-Saw Guide. 335
Cutting the Pedicles and Resection of the Posterior Element. 335
Step 2. En Bloc Corpectomy by Posterior Approach 335
Posterior Ligamentous Release of the Vertebral Body. 335
Dissection of the Spinal Cord and Removal of the Vertebra. 336
Corpectomy with Anterior Approach 336
Anterior Reconstruction and Posterior Instrumentation 337
Postoperative Management 337
Staged Operation of Thoracic Spine Tumors with Involvement of the Ribs 337
Indications 337
Incision and Positioning 338
Single-Stage Posterolateral Transpedicular Approach for Spondylectomy and Epidural Decompression 339
References 343
35 Thoracoabdominal Approach to the Thoracolumbar Junction 344
Overview 344
Transthoracic Approach to the Midthoracic Level 344
Positioning and Incision 344
Muscle Dissection 344
Rib Removal 344
Exposure of Vertebral Body (Transpleural) 344
Vertebral Body Resection 346
Exposure of the Vertebral Body (Extrapleural) 346
Bilateral Segmental Vessel Ligation 347
Anterior Approach to Thoracolumbar Junction (Transpleural-Transdiaphragmatic Approach with Tenth Rib Resection) 348
Positioning and Incision 348
Soft Tissue Dissection 348
Rib Removal 348
Diaphragm Incision 349
Exposure of Each Vertebral Body 350
Closure 350
Transpleural-Retroperitoneal Approach (Diaphragm Detach) to the Thoracolumbar Junction 352
Identification of the Insertion Point of the Crus 352
Incision of the Diaphragm Insertion 352
Psoas Muscle Dissection 353
Extrapleural-Retroperitoneal Approach to Thoracolumbar Junction with Eleventh Rib Resection 353
Positioning and Incision 353
Muscle Incision and Rib Removal 353
Retroperitoneal Space Dissection 353
Costal Cartilage Splitting 354
Extrapleural Space Dissection 354
Diaphragm Release from the Insertion to the Twelfth Rib 354
Vertebral Body Exposure 355
Widening of Vertebral Body Exposure 355
Wound Closure 355
Minithoracotomy-Transdiaphragmatic Approach (Mini-TTA) 356
Diaphragmatic and Relevant Anatomy 356
Anesthesia 358
Positioning 358
Technique 358
Prevertebral Dissection and Diaphragm Detachment 359
Corpectomy and Decompression of the Spinal Canal 360
Bone Grafting, Cage Placement, and Instrumentation 361
Closure 361
Postoperative Care 361
Complication Rates 361
Advantages of Mini-TTA versus Traditional Thoracoabdominal Approach 361
Advantages of Mini-TTA versus Thoracoscopic Surgery 363
Familiar Three-Dimensional View 363
Whole-Lung Ventilation 363
Simplicity in Equipment and Assistance 363
Low Rate of Surgery-Induced Rib Intercostal Neuralgia 364
References 364
36 Surgical Stabilization Techniques for Thoracolumbar Fractures 365
Classifications of Spinal Fractures 365
Historical Review 365
The Iowa Classification System and Algorithm 366
Stabilization Techniques 366
Anterolateral Approach to the Thoracolumbar Spine (T11–L4) 366
Posterolateral Transpedicular Approach with Vertebral Body Reconstruction 369
Posterior Minimally Invasive Techniques 370
Screw Placement 371
Rod Insertion 372
References 373
37 Anterior Retroperitoneal Approach to the Lumbar Spine 375
Overview 375
Anatomy Review 375
General Indications 377
Anterior Approach 377
Thoracoabdominal/Flank Approach 377
Direct Lateral (Minimally Invasive) Approach 377
Contraindications 378
E Lumbar Sacral Pelvic Junction 482
50 Surgical Anatomy, Approaches, and Biomechanics in the Lumbosacral Pelvic Junction 483
Overview 483
Anatomy 483
Surface Anatomy 483
Bony Antatomy of the Lumbosacral Junction 483
Biomechanics of Lumbosacral Junction 486
Vascular Anatomy 487
Neural Anatomy 488
Approaches to the Lumbosacral Junction 489
Anterior Versus Posterior Pathology-Guided Approach 489
Anterior Approach to the Lumbosacral Junction 489
Midline Transperitoneal Approach 490
Positioning. 490
Incision and Soft Tissue Dissection. 490
Intraperitoneal Dissection. 490
Retroperitoneal Dissection. 490
Diskectomy/Osteophytectomy. 490
Closure. 490
Complications. 490
Retroperitoneal Approach 491
Anterior Retroperitoneal Midline Approach 491
positioning. 491
incision. 491
soft tissue dissection. 491
retroperitoneal dissection. 491
diskectomy/osteophytectomy. 492
closure. 492
complications. 492
Anterior Retroperitoneal Flank Approach 492
lateral decubitus positioning. 492
lateral decubitus incision. 492
soft tissue dissection. 492
retroperitoneal dissection. 493
closure. 493
complications. 493
Posterior Approaches to the Lumbosacral Junction 493
Posterior Positioning 494
Posterior Incision: Midline, T-Shaped, Paramedian, or Transverse (Fig. 50-17) 494
Posterior Midline Approach 494
Posterior Paramedian Approach 495
Posterior Transverse Approach 496
Bony Work and Tumor Resection 496
Closure 496
Complications 496
References 496
51 Surgical Management of Sacral Fractures 497
Overview 497
Anatomy 497
Diagnosis 497
Classification: Sacral Fractures 497
Denis Classification 498
Roy-Camille Subclassification and Strange-Vognsen and Lebech Modification 498
Isler Classification of Lumbosacral Injuries 500
Surgical Management 500
Surgical Timing 500
Approach to Surgical Stabilization 501
Posterior Stabilization Techniques 501
Lumbopelvic Stabilization 501
Indications 501
Operative Setup and Equipment 501
Surgical Technique: Open Lumbopelvic Stabilization 501
Minimally Invasive Approaches. 502
Open Reduction Internal Fixation 502
F Spinal Deformity 545
56 Surgical Approaches to Cervical Kyphosis and Deformity 546
Overview 546
Etiology 546
Clinical Presentation 546
Clinical Evaluation 547
Surgical Indications 548
Surgical Approach: Anterior, Posterior, or Combined? 548
Surgical Techniques 548
Anterior Approach 548
Anterior Surgical Technique 548
Results 549
Complications 550
Current Practice 551
Combined Anterior-Posterior Approach 551
Anterior-Posterior Surgical Technique 551
Results 553
Complications 553
Posterior Approach 553
Posterior Surgical Technique 553
Results 554
Complications 554
Conclusion 557
References 557
57 Surgical Management of Scheuermann Kyphosis 558
Overview 558
Indications and Contraindications 558
Indications 558
Contraindications 558
Operative Technique 558
Equipment 558
Patient Positioning 558
Location of Incision 558
Incision and Soft Tissue Dissection 559
Exposure of the Vertebrae 559
Retractor Placement 559
Instrumentation 559
Correction 560
Bone Graft 561
Closure 561
Postoperative Care 561
Complications 562
References 563
58 Surgical Approach to Posttraumatic Thoracic Kyphosis 564
Background 564
Normal Sagittal Balance 564
Impact of Spinal Column Trauma on Alignment 564
Presenting Symptoms of Thoracic Kyphosis 564
Correction of Thoracic Kyphosis 565
Complications Associated with Osteotomies 566
Summary 567
59 Anterior Release and Fusion Techniques for Scoliosis 568
Overview 568
Indications 568
Relative Indications 568
Endoscopic Contraindications 568
Relative Contraindications 568
Selection of Level of Fusion 569
Equipment 569
Open 569
Additional Endoscopic Equipment 569
Preoperative and Perioperative Considerations 569
Positioning 569
Lateral Decubitus (Endoscopic or Open) 569
Prone (Anterior Release Only) 570
Operative Technique 571
Incision/Exposure 571
Upper Thoracic Access (T1–T4) 571
Single and Double Thoracotomy: Convex 571
Endoscopic Access 572
Thoracolumbar (T10–L4) Access 572
Dissection of Pleura 573
Remove Disk/Vertebrae 573
Rib Head Removal 574
Graft Placement 574
Internal Thoracoplasty 574
Segmental Vessels 574
Screw Placement and Staples 574
Rod Reduction/Cantilever 575
Rod Derotation 575
Direct Vertebral Body Derotation 575
Compression 575
In Situ Bending 575
Closure 576
Outcomes 576
Conclusion 577
References 577
60 Anterior and Posterior Treatment for Thoracolumbar and Lumbar Scoliosis 578
Overview 578
Anterior Approaches 578
Thoracic Curves 578
Thoracolumbar Spine 578
Lumbar Spine 578
Posterior Approach 579
Lumbar Decompression 579
Posterior Release 579
Posterior Instrumentation 579
Posterior-Only Approach 581
Adolescent Idiopathic Scoliosis 582
Neuromuscular Scoliosis 583
Adult Spinal Deformity 583
Degenerative Scoliosis 584
References 586
61 Surgical Treatment of Adolescent Idiopathic Scoliosis: 587
Overview 587
Classification 587
Type I 587
Type 2 587
Type 3 587
Type 4 588
Type 5 588
Type 6 588
Indications/Contraindications 589
Operative Technique 592
Equipment 592
Positioning 592
Approach 592
Osteotomies 595
Freehand Pedicle Screw Placement 595
Reduction Techniques 598
Derotation Maneuver 599
Decortication/Grafting 599
Closure 599
Postoperative Care 600
62 Surgical Treatment of Flat Back Deformity 601
Overview 601
Etiology 601
Clinical Presentation 602
Radiographic Workup and Evaluation 603
Conservative Management 604
Operative Management 604
Smith-Peterson Osteotomy 604
Surgical Technique 605
Pedicle Subtraction Osteotomy 606
Surgical Technique 607
Anterior Surgery 607
Patient Outcomes 608
Summary 608
References 608
63 Surgical Management of Degenerative Lumbar Scoliosis 610
Overview 610
Natural History 610
History and Physical Examination 610
Radiologic Evaluation 611
Nonoperative Management 612
Operative Care 613
Risks 613
Preoperative Planning 613
Sagittal Alignment 615
Staging 616
Our Preferences 618
References 619
G Spinal Tumors and Vascular Lesions 621
64 Primary Malignant and Benign Tumors of the Spine 622
Overview 622
Presentation 622
Evaluation 622
Management 622
Malignant Tumors 624
Multiple Myeloma and Plasmacytoma 624
Ewing Sarcoma 624
Chondrosarcoma 625
Osteosarcoma 625
Chordoma 625
Benign Tumors 626
Hemangioma 626
Osteoid Osteoma and Osteoblastoma 628
Giant Cell Tumors 628
Chondroma, Enchondroma, and Osteochondroma 629
Aneurysmal Bone Cyst 630
Conclusion 630
References 630
65 Secondary Metastatic Tumors of the Spine 633
Overview 633
Clinical Presentation 633
Evaluation 633
Management 633
Surgical Management “Pearls” 636
Conclusion 637
References 637
66 Surgical Technique for Resection of Intradural Tumors 639
Overview 639
Indications and Contraindications 639
Indications 639
Relative Contraindications 639
Surgical Technique 639
Equipment 639
Patient Positioning 639
Exposure 639
Dural Opening 640
Approach to Intradural- Extramedullary Tumor 641
Approach to Intramedullary Tumor 642
Hemostasis 643
Closure 644
Postoperative Care 644
Complications 645
Conclusion 645
References 645
67 Vascular Lesions of the Spinal Cord 646
Overview 646
Normal Vascular Anatomy of the Spinal Cord 646
Anterior Spinal Artery 646
Posterior Spinal Artery 646
Pial Arterial Plexus 646
Radicular Arteries 646
Central Arteries 646
Veins of the Spinal Cord 647
Capillaries of the Spinal Cord 647
Hemangioblastoma 647
Genetics 647
Epidemiology 648
Pathology 648
Imaging 648
Surgical Considerations 649
Surgical Technique 649
Outcomes 650
Spinal Cord Cavernous Malformations 650
Genetics 650
Epidemiology 650
Clinical Presentation and Natural History 650
Pathology 651
Imaging 651
Surgical Considerations 651
Surgical Technique 651
Dorsally Located Lesions (Fig. 67-5) 651
Ventrally Located Lesions 652
Outcomes 653
Spinal Cord Arteriovenous Malformations 653
Genetics 653
Classification 653
Epidemiology and Natural History 653
Extradural Arteriovenous Fistulas 653
Intradural Dorsal Arteriovenous Fistulas 654
Intradural Ventral Arteriovenous Fistulas 654
Extradural-Intradural Arteriovenous Malformations 655
Intramedullary Arteriovenous Malformations 655
Conus Arteriovenous Malformations 656
Pathophysiology 656
Imaging 656
Surgical Considerations 657
Surgical Technique 657
Extradural Arteriovenous Fistulas 657
Intradural Dorsal Arteriovenous Fistulas 657
Intradural Ventral Arteriovenous Fistulas 657
Extradural-Intradural Arteriovenous Malformations 658
Intramedullary Arteriovenous Malformations 658
Conus Arteriovenous Malformations 658
Spinal Cord Aneurysms 658
References 659
H Inflammatory Disease 661
68 Ankylosing Spondylitis: 662
Overview 662
Osteotomy for Correction of Kyphotic Deformity of Ankylosing Spondylitis 662
Indications 662
Contraindications 662
Posterior Cervical Osteotomy for Correction of Kyphotic Deformity of Ankylosing Spondylitis 663
Advantages 663
Disadvantages 663
Preoperative Evaluation 663
Intraoperative Technique 664
Postoperative Management 667
Complications 667
Pedicle Subtraction Osteotomy for Kyphotic Deformity of the Thoracolumbar Spine 668
Advantages 668
Disadvantages 668
Preoperative Evaluation 668
Location of Osteotomy 668
Operative Technique 668
Equipment 668
Patient Positioning. 668
Location of Incision. 669
Intraoperative Technique. 669
Postoperative Care 670
Complications 670
Conclusion 670
I Spinal Infection 671
69 Bacterial, Fungal, and Tuberculosis Diskitis and Osteomyelitis of the Cervical, Thoracic, and Lumbar Spine 672
Overview 672
Indications and Contraindications for Surgical Management of Spinal Infection 672
Indications 672
Contraindications 672
Operative Technique 672
General Considerations 672
Cervical Diskitis and Osteomyelitis 673
Positioning 673
Approach 673
Débridement and Decompression 673
Reconstruction 674
Strut Graft Without Anterior Instrumentation 674
Strut Graft with Anterior Instrumentation. 674
Posterior Instrumentation 675
Thoracic Diskitis and Osteomyelitis 676
Anesthesia 676
Patient Positioning 676
Localization 676
Surgical Approach 676
Decompression and Reconstruction 676
Supine Position 676
Lateral Decubitus 677
Anterior Instrumentation 678
Posterior Instrumentation 679
Lumbar Diskitis and Osteomyelitis 680
Positioning and Anesthesia 680
Exposure 680
Débridement and Decompression 681
Anterior Reconstruction 681
Posterior Stabilization 682
Tuberculosis and Fungal Infections of the Spine 683
Epidural Abscess 684
Postoperative Care 684
Complications 684
References 684
J Miscellaneous 685
70 Surgical Management of Gunshot Wounds to the Spine 686
Overview 686
Epidemiology 686
Mechanisms of Injury 686
Prehospital and Emergency Room Management 686
Neurologic Evaluation 687
Radiologic Evaluation 687
Indications for Surgical Intervention 687
Cerebrospinal Fluid Fistula 687
Spinal Instability 687
Neurologic Deficit 688
Special Indications 688
Disk Herniation 688
Lead Toxicity 688
Bullet Migration 688
Late Complications 688
Louisiana State University–New Orleans Experience 689
Summary 692
References 693
71 Vertebroplasty and Kyphoplasty 694
Overview 694
Treatment Objectives 694
Indications 694
Contraindications 694
Complications 694
Preoperative Preparation 694
Radiologic Anatomy for Kyphoplasty and Vertebroplasty 695
Equipment for Vertebroplasty and Kyphoplasty 696
Procedure 696
Inserting Tools into the Fractured Vertebral Body 696
Unipedicular Posterolateral Approach 696
Transpedicular Approach 697
Extrapedicular Approach 697
Placing and Inflating the Bone Tamp (Balloon Kyphoplasty) 698
Mixing the Cement and Filling the Void 699
Postoperative Management 702
Potential Adverse Results 702
References 703
72 Bone Graft Harvesting Techniques 704
Overview 704
Selecting a Bone Graft 704
Techniques of Bone Graft Harvest 704
Anterior Iliac Crest Grafts 704
Posterior Iliac Grafts 705
Alternative Autologous Sites 706
Allograft and Fusion Supplements 708
Conclusion 709
References 709
73 Dural Tears 710
Overview 710
Anatomy Review 710
Clinical Diagnosis 710
Conservative and Nonsurgical Treatment of Dural Tears 711
Intraoperative Surgical Repair 712
Surgical Methods and Materials 712
Suture 712
Dural Substitutes 713
Allografts. 713
Autogenous Dural Substitutes. 714
Synthetic or Chemically Modified Materials. 714
Dural Sealants 714
Other Dural Tear Surgical Solutions 715
Postoperative Surgical Repair 716
Summary 716
References 716
Index 719
A 719
B 720
C 720
D 722
E 723
F 723
G 724
H 724
I 725
J 725
K 725
L 726
M 727
N 727
O 728
P 728
Q 730
R 730
S 730
T 732
U 734
V 734
W 734
Z 734
Clinical Key ad IBC1