Surgical Anatomy and Techniques to the Spine

Author: Vaccaro   Alexander R.  

Publisher: Elsevier Health Sciences‎

Publication year: 2013

E-ISBN: 9781455723263

Subject: J9 Movies, TV

Language: ENG

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Chapter

Table of Contents

A Craniovertebral Junction and Upper Cervical Spine

1 Surgical Anatomy and Biomechanics of the Craniovertebral Junction

Overview

Embryology of the Craniovertebral Junction

Normal Developmental Embryology of the Craniovertebral Junction

Developmental Anomalies of the Craniovertebral Junction

Surgical Anatomy of the Craniovertebral Junction

Bony Structures of the Craniovertebral Junction

Foramen Magnum and Occipital Condyle

Occipital Condyle.

The Atlas (C1)

Axis (C2)

Ligamentous and Membranous Structures of the Craniovertebral Junction

Neuroradiology of the Craniovertebral Junction

Skull Base and Atlantoaxial Morphometry

Indices for Skull Base and Craniocervical Junction on a Lateral (Sagittal) View (Table 1-1).

Indices for Skull Base and Craniocervical Junction on an Anteroposterior (Coronal) View (Table 1-2).

Indices for Atlantoaxial Instability (Table 1-3).

Biomechanics of the Craniovertebral Junction

Occ–C1 Complex

Atlantoaxial Complex

Conclusions

Acknowlegment

References

2 Transoral Approach to the Craniocervical Junction and Upper Cervical Spine

Overview

Anatomy

Ventral Pathology of the Craniocervical Junction

Indications

Relative Contraindications

Surgical Technique

Preparation and Positioning

Surgical Procedure

Conclusion

References

3 Transmaxillary and Transmandibular Approaches to the Clivus and Upper Cervical Spine

Overview

Anatomy Review

Bony and Ligamentous Anatomy

Muscular Anatomy

Relevant Neurovascular Anatomy

Indications and Contraindications

Operative Technique

Unilateral Le Fort I Osteotomy with Palatal Split

Bilateral Le Fort I Osteotomies with Downfracture of the Maxilla

Bilateral Le Fort I Osteotomies with Palatal Split

Mandibulotomy

Mandibulotomy with Midline Glossotomy

Mandibular Swing-Transcervical

Complications

References

4 High Cervical Retropharyngeal Approach to the Craniocervical Junction

Overview

Medial Retropharyngeal Approach (Anterior Retropharyngeal Approach)

Lateral Retropharyngeal Approach

Summary

5 Approaches to the Craniocervical Junction:

Overview

Posterior Approaches

Anatomy

Positioning

Surgical Technique

Lateral Approaches

Indications

Positioning

Surgical Technique

Lateral Retropharyngeal Approach

Indications

Positioning

Surgical Technique

Far-Lateral Approach

Indications

Positioning

Surgical Technique

Conclusions

6 Posterior and Far-Lateral Approaches to the Craniovertebral Junction:

Overview

Anatomy Review

Muscle Layers

Bony Anatomy

Vertebral Artery

Cranial Nerves

Indications

Intramedullary

Extramedullary, Intradural

Extradural

Relative Contraindications

Preoperative Imaging

Magnetic Resonance Imaging

Computed Tomography

Vertebral Angiogram

Operative Technique

Equipment

Patient Positioning

Incision

Muscle

Bone Exposure

Intradural Exposure

Closure

Postoperative Care

Complications

Neurologic

Vascular

Closure and Leaks

References

7 Endoscopic Approaches to the Craniovertebral Junction

Overview

Surgical Anatomy

Endoscopic Endonasal Approach

Endoscopic Transoral Approach

Endoscopic Transcervical Approach

Operative Techniques

Endoscopic Endonasal Approach

Rationale

Preparation and Positioning

Surgical Procedure

Endoscopic Transoral Robotic Surgery

Rationale

Preparation and Positioning

Surgical Procedure

Transcervical Endoscopic Approach

Rationale

Preparation and Positioning

Surgical Procedure

Complications

Discussion

References

8 Surgical Approaches to Craniovertebral Junction Congenital Malformations, Chiari Malformations, and Cranial Settling (Invagination)

Surgical Anatomy of the Craniocervical Junction

Basilar Invagination

Indications for Surgical Treatment

Anterior Surgical Approaches

Transoral-Transpalatopharyngeal Approach

Advantages and Disadvantages of the Anterior Approaches

Posterior Approaches

Occipital Screw Technique

C1 Lateral Mass Screw Technique

C1–C2 Transarticular Screw Technique

C2 Pars/Pedicle Screw Technique

Translaminar Screw Technique

C3–C7 Lateral Mass Screw Technique

Advantages and Disadvantages of the Posterior Approaches

Endoscopic Approaches

Endoscopic Endonasal Approach

Advantages and Disadvantages of Endoscopic Approaches

References

9 Surgical Approaches to the Craniovertebral Junction in Rheumatoid Arthritis

Overview

Diagnosis and Evaluation

Atlantoaxial Subluxation

Atlantoaxial Rotatory Subluxation

Indications and Relative Contraindications

Surgical Approach

Transoral Approach

Preoperative Preparation

Anesthesia and Equipment

Equipment

Patient Positioning

Surgical Technique

Extended Transoral Procedures

Open-Door Maxillotomy

Median Mandibulotomy and Glossotomy

Endoscopic-Assisted Anterior Approach

Posterior-Only Approach

Combined Anterior and Posterior Approach

Postoperative Care

Complications

Summary

References

10 Craniovertebral Junction Instabilities and Surgical Fixation Techniques

Overview

Anatomy Review

Indications

Operative Technique

Equipment

Positioning

Approach

Arthrodesis

Occipital Plating

Occipital Bolt or “Inside-Out” Technique

Occipital Condyle Screw

Occipitocervical Wiring: Historic Technique Useful in Some Circumstances

Postoperative Care

Complications

Vascular Complications

Neurologic Complications

Biomechanical Complications

References

11 Odontoid Fractures and Screw Fixation

Overview

Indications

Contraindications

Operative Technique

Equipment

Patient Positioning

Incision and Soft Tissue Dissection

Placement of K-Wire and Drill Guide System

Screw Placement

Postoperative Care

Technical Variations

Complications

References

12 C1–C2 Trauma Injuries and Stabilization Techniques

Overview

General Operative Techniques for Posterior Atlantoaxial Fixation

C1–C2 Lateral Mass–Pars Interarticularis Screw Fixation

C1–C2 Lateral Mass–Pedicle Screw Fixation

Atlantoaxial Transarticular Fixation

Atlantoaxial Translaminar Fixation

Halifax Clamp Fixation

Atlantoaxial Wiring Techniques

Interspinous Fusion

Gallie Fusion

Brooks Fusion

Indications for Posterior Fixation and Fusion of the Upper Cervical Spine

Anterior Approaches for Upper Cervical Spine Instability After Trauma

Indications and Techniques

Anterior Atlantoaxial Facet Screw Fixation

Conclusion

References

B Mid and Lower Cervical Spine

13 Surgical Anatomy and Biomechanics in the Mid and Lower Cervical Spine

Overview

Surface Anatomy

Vertebral Column

Vertebral Body

End Plates

Uncal Process

Transverse Process

Neural Foramen

Anterior and Posterior Tubercles

Pedicles

Spinal Canal

Lateral Mass

Facet Joint

Lamina and Spinous Processes

Intervertebral Disk Space

Disk Space

Intervertebral Disk

Annulus Fibrosus

Nucleus Pulposus

Spinal Cord

Spinal Cord and Nerve Roots

Spinal Cord Blood Supply

Neurovascular Structures

Carotid Sheath

Superior Laryngeal Nerve

Inferior (Recurrent) Laryngeal Nerve

Hypoglossal Nerve

Sympathetic Chain

Vertebral Artery

Viscera

Ligaments

Anterior Longitudinal Ligament

Posterior Longitudinal Ligament

Ligamenta Flava

Capsular Ligaments

Ligamentum Nuchae

Intertransverse Ligaments

Fascia and Musculature

Fascia

Investing Layer

Pretracheal (Visceral) Layer

Prevertebral Layer

Ventral Musculature

Superficial Layer

Platysma.

Sternocleidomastoid.

Deep Layer

Scalenus Group.

Longus Group.

Infrahyoid Group.

Dorsal Musculature

Superficial Layer

Intermediate Layer

Deep Layer

Cervical Triangles

Ventral Triangle

Dorsal Triangle

14 Anterior Cervical Diskectomy and Fusion

Overview

Indications

Contraindications

Operative Technique

Equipment

Patient Positioning

Marking the Incision

Preparation and Draping

Incision and Soft Tissue Dissection

Exposure of the Vertebra

Diskectomy and Foramenotomy

Intervertebral Graft

Cervical Plating

Autograft Harvesting

Closure

Postoperative Care

Complications

References

15 Endoscopic Anterior Cervical Foraminotomy (Jho Procedure)

Overview

Surgical Indications for Anterior Cervical Foraminotomy (Jho Procedure)

Surgical Tools and Techniques

Surgical Instruments

Endoscopes

Endoscope Lens Cleanser

Endoscope Holder

Endoscopic Surgical Instruments

Surgical Technique

Positioning

Surgical Exposure of the Uncovertebral Juncture

Original Description of Microsurgical Anterior Cervical Foraminotomy

Evolution of Anterior Cervical Foraminotomy (Jho Procedure)

Type 1: Transuncal Approach

Type 2: Upper Vertebral Transcorporeal Approach

Type 3: Lower Vertebral Transcorporeal Approach

Type 4: Anterior Cervical Foraminoplasty

Spinal Cord Decompression via Anterior Cervical Foraminotomy

Postoperative Management

Surgical Results

Discussion

Acknowledgment

References

16 Anterior and Posterior Endoscopic Approaches to the Cervical Spine

Overview

Anatomic Considerations

Surgical Indications and Relative Contraindications

Instruments and Equipment

Instruments for the Anterior Approach

Instruments for Posterior Approach

Surgical Preparations and Techniques

Anterior Approaching Technique

Posterior Approach

Surgical Tips

Controversies

Summary

References

17 Cervical Corpectomy, Fusion, and Vertebral Restoration Techniques

Overview

Anatomy Review

Muscles

Vascular Anatomy

Visceral Structures

Nervous System Structures

Indications and Contraindications

Indications

Contraindications (Relative)

Operative Technique

Equipment

Vertebral Body Restoration Technologies

Bone Grafts: Autograft and Allograft

Polymethylmethacrylate Reconstruction

Titanium Mesh Cages/Harms Cage

Modular Cages

Expandable Cages

Preoperative Considerations

Patient Positioning

Approach (Figs. 17-16 and 17-17)

Diskectomy (Fig. 17-18)

Corpectomy

End Plate Preparation

Removal of Posterior Longitudinal Ligament

Veterbral Replacement Preparation

Bone Graft (Fig. 17-20)

Polymethylmethacrylate (see Fig. 17-10)

Titanium Nonexpandable Cages (see Fig. 17-11)

Modular Cages (see Fig. 17-12)

Expandable Cages (see Fig. 17-13)

Supplemental Instrumentation

Anterior Plating (Figs. 17-21 and 17-22)

Adjunct Posterior Instrumentation

Closure

Postoperative Care

Complications

Soft Tissue

Vascular

Neurologic

Otolaryngologic

Graft Complications (Fig. 17-23)

References

18 Anterior Cervical Instrumentation Techniques

Overview

Anatomy Review

Indications

Relative Contraindications

Equipment

Operative Technique

Positioning

Incision

Technique for Approaching the Cervical Spine

Technique for Approaching the Upper Cervical Spine

Diskectomy

Cage Placement and Instrumentation

Closure

Complications

References

19 Cervical Disk Arthroplasty Techniques

Overview

Indications and Contraindications

Potential Disadvantages of Cervical Artificial Disk Replacement

Preoperative Radiologic Evaluation

Equipment

Operating Room Setup

Patient Positioning

Operative Technique

Incision Location

Incision, Soft Tissue Dissection, and Exposure of the Vertebra

Sequential Identification and Dissection of Important Anatomic Structures

Exposure of the Vertebra

Retractor Placement

Anterior Cervical Diskectomy

Artificial Disk Replacement

Closure

Postoperative Care

Postoperative Radiologic Assessment

Complications and Adverse Outcomes of Cervical Artificial Disk Replacement

General Complications

Adjacent-Segment Disease after Cervical Artificial Disk Replacement

References

20 Cervical Microforaminotomy and Decompressive Laminectomy

Overview

Diagnosis

Indications and Contraindications

Posterior Cervical Microforaminotomy

Indication

Relative Contraindications

Laminectomy

Indications

Contraindications

Operative Technique

Equipment

Patient Positioning

Minimally Invasive Approach

Cervical Microforaminotomy

Diskectomy

Osteophytectomy

Decompressive Laminectomy

Postoperative Care

Complications

Conclusions

References

21 Cervical Laminoplasty

Overview

Types of Laminoplasty

Anatomy Review

Indications and Contraindications

Indications

Contraindications

Advantages and Disadvantages

Advantages

Disadvantages

Operative Technique

Equipment

Positioning

Prepping and Draping

Incision and Exposure

Trough Preparation

Opening the Laminoplasty

Posterior Arch Reconstruction using Graft or Plating

Foraminotomy Technique

Arthrodesis Technique

French Door Laminoplasty

Wound Closure

Postoperative Care

Complications

Illustrative Case

References

22 Posterior Cervical Stabilization Techniques:

Overview

Cervical Pedicle Screw Fixation

Indications

Contraindications

Operative Technique

Patient Positioning and Incision

Subaxial Pedicle Screw Insertion

Fusion

Wound Closure

Postoperative Management

Complications

Lateral Mass Screw Fixation

Indications

Contraindications

Operative Technique

Surgical Approach

Insertion Point and Trajectory

Drilling and Screw Placement

Vertebral Artery

Wound Closure

Complications

Posterior Wiring of the Subaxial Spine

Indications

Contraindications

Operative Technique

Positioning and Incision

Procedures and Wiring Techniques

Interspinous Wiring (Bohlman’s Triple-Wire Technique).

Facet Wiring Technique (Fig. 22-9).

Wound Closure

Postoperative Care

Complications

References

23 Facet Dislocation Injuries and Surgical Management

Overview

Clinical Presentation

Radiographic Evaluation

Initial Management

Surgical Management

Surgical Technique

Anterior Approach

Posterior Technique

Postoperative Management

References

24 Ossification of the Posterior Longitudinal Ligament

Overview

Epidemiology

Pathophysiology

Clinical Presentation and Natural Course

Diagnostics and Radiographic Findings

Surgical Options and Outcomes

Laminectomy

Laminectomy Plus Fusion

Anterior Approaches

Combined Anterior and Posterior Approaches

Laminoplasty

Laminoplasty Techniques

Indications and Contraindications for Laminoplasty

Indications

Relative Contraindications

Operative Technique: Open-Door Laminoplasty

Equipment

Patient Positioning and Intubation

Location of Incision

Preparation and Draping

Incision and Soft Tissue Dissection

Laminoplasty

Bone Graft and Instrumentation

Closure

Postoperative Care

Complications

Conclusions

References

C Cervicothoracic Junction and Thoracic Spine

25 Surgical Anatomy and Biomechanics in the Cervicothoracic Junction and Thoracic Spine

Overview

Surgical Anatomy

Anterior Approaches

Anterolateral Transthoracic Approaches

Posterolateral Approaches

Biomechanics

Anatomic Considerations

Instrumentation

References

26 Anterior Approaches to the Cervicothoracic Junction

Overview

Anatomy

Thoracic Inlet

Vascular and Visceral Compartments of the Superior Mediastinum

Fascial Layers

Venous Structures

Arterial Structures

Retropharyngeal and Retromediastinal Spaces

Operative Techniques

Low-Cervical Approach

Supraclavicular Approach

Transmanubrial-Transclavicular Approach

Transsternal-Transthoracic Approach

27 Posterolateral Approaches to the Cervicothoracic Junction:

Overview

Anatomy

Muscles of the Scapular and Parascapular Region

Superficial Muscle Group (Fig. 27-1)

Trapezius

Rhomboid Major

Rhomboid Minor

Levator Scapulae

Intermediate Muscle Group

Serratus Posterior

Splenius Capitis

Spenius Cervicis

Deep Muscle Group

Erector Spinae

Iliocostalis

Longissimus

Spinalis

Transversospinalis

Semispinalis

Multifidus

Rotares

Posterior Thoracic Cage (Fig. 27-3)

Vertebral Body and Rib Articulation

Ligaments of Rib Articulation

Rib Interconnection

Retromediastinal Space

Neural structures (Fig. 27-7):

Surgical Approaches

Laminectomy

Indications and Advantages

Contraindications and Disadvantages

Patient Positioning and Preparation (Fig. 27-9)

Operation

Closure

Posterolateral Approaches

Transpedicular Approach

Indications and Advantages.

Contraindications and Disadvantages.

Patient Positioning and Preparation.

Operation

Closure.

Costotransversectomy

Indications and Advantages.

Contraindications and Disadvantages.

Patient Positioning and Preparation.

Operation

Closure

Lateral Extracavitary Parascapular Extrapleural Approach

Indications and Advantages.

Contraindication and Disadvantages.

Patient Positioning and Preparation.

Operation

Closure

Summary

References

28 Anterolateral Transthoracic Approaches to the Thoracic Spine

Overview

Anatomic Considerations

Superficial (Extrapleural)

Deep (Intrapleural)

Indications

Contraindications

Operative Technique

Disk Lesions

Foraminal Decompression

Corpectomy

Postoperative Care

Considerations Specific to the Proximal Thoracic Spine Approach

Considerations Specific to the Thoracolumbar Junction Approach

Complications

Decreased Pulmonary Function

Infection

Chyle Leak

Dural Tear/Cerebrospinal Fluid Leak

Conclusion

References

29 Anterior and Posterior Cervicothoracic Junction Stabilization Techniques

Overview

Operative Anatomy

Surgical Approaches

Anterior Surgical Approaches to the Cervicothoracic Junction

Positioning

Technique

Low Cervical Approach

Transsternal-Transmanubrial Approach

Thoracotomy

Posterior Approach

Posterior Surgical Approaches to the Cervicothoracic Junction

Lateral Mass Screws

Positioning

Technique

Pedicle Screws

Technique

Translaminar Screw

Anterior-Posterior Approach

Posterior-Anterior- Posterior Approach

Conclusion

References

30 Thoracic Microdiskectomy:

Overview

Prevelance and Presentation

Anatomic Considerations

Imaging

Surgical Indications

Anterolateral Approaches

Transthoracic Approach

Lateral Approaches

Retropleural Approach

Indications and History

Positioning

Incision, Dissection, and Diskectomy

Minimally Invasive Considerations

Advantages

Disadvantages

Costotransversectomy

Indications and History

Positioning

Incision, Dissection, and Diskectomy

Advantages

Disadvantages

Lateral Extracavitary Approach

Indication and History

Positioning

Incision, Dissection, and Diskectomy

Advantages

Disadvantages

Minimally Invasive Considerations

Posterolateral Approaches

Transpedicular Approach

Indication

Positioning

Incision, Dissection, and Diskectomy

Minimally Invasive Considerations

Advantages

Disadvantages

Transfacet Approach

Indication and History

Positioning

Incision, Dissection, and Diskectomy

Minimally Invasive Considerations

Advantages

Disadvantages

Postoperative Course

Complications

Conclusion

References

31 Thoracoscopic and Posterior Endoscopic Approaches to the Thoracic Spine

Thoracoscopic Approach

Overview

Indications

Contraindications

Surgical Technique

Instruments

Anesthesia

Positioning

Localization

Placement of Portals

Prevertebral Dissection and Diaphragm Detachment

Screw Insertion

Diskectomy

Corpectomy

Plate or Rod Placement

Final Fixation

Closure

Postoperative Care

Complications

Case Illustration

Posterior Endoscopic Approach

Introduction

Indications

Contraindications

Surgical Technique

Preoperative Preparation

Instruments

Procedures of C-Arm–Guided PETD using Rigid Working-Channel Scope

Procedures of Real-Time CT-Guided PETA Using LASE

Case Illustration

References

32 Surgical Decompression and Stabilization Techniques in Thoracic Trauma

Overview

Anatomy Review

Indications and Contraindications

Indications

Contraindications

Operative Technique

Posterior

Anterolateral

Reconstruction

Complications

References

33 Surgical Approaches to Thoracic Primary and Secondary Tumors

Overview

Incidence of Primary and Secondary Tumors of the Thoracic Spine

Clinical Presentation and Evaluation

Radiographic Studies and Preoperative Diagnosis

Surgical Decision Making and Patient Expectations

Patients with Primary Osseous Lesions

Patients with Metastatic Disease

Preoperative Embolization

Approaches to the Thoracic Spine (Fig. 33-1)

Thoracic Laminectomy

Advantages

Disadvantages

Transpedicular Approach and Costotransversectomy

Advantages

Disadvantages

Transpedicular Approach

Costotransversectomy

Lateral Extracavitary (Parascapular) Approach

Advantages

Disadvantages

Thoracotomy (Transthoracic Approach)

Advantages

Disadvantages

Suprasternal Approach

Advantages

Disadvantages

Conclusion

References

D Thoracolumbar and Lumbar Spines

34 Surgical Anatomy and Posterior Approach to the Thoracic and Thoracolumbar Spine

Overview

Muscular Anatomy

Posterior Thoracic Cage

Posterior Mediastinal Space and Neurovascular Structure

Lateral Extracavitary Approach

Positioning and Incision

Muscle Dissection

Rib Resection

Identification of the Neural Foramen

Corpectomy or Disketomy

Vertebral Body Reconstruction

Wound Closure

Transcostovertebral Approach

Costotransversectomy

Positioning and Incision

Muscle Dissection

Rib Resection

Exposure of Vertebral Bodies and Spinal Cord

Wound Closure

Total En Bloc Spondylectomy: Thoracic Spine

Indications

Surgical Technique

Step 1. En Bloc Resection of the Posterior Element of the Vertebra by Posterior Approach

Exposure.

Introduction of the T-Saw Guide.

Cutting the Pedicles and Resection of the Posterior Element.

Step 2. En Bloc Corpectomy by Posterior Approach

Posterior Ligamentous Release of the Vertebral Body.

Dissection of the Spinal Cord and Removal of the Vertebra.

Corpectomy with Anterior Approach

Anterior Reconstruction and Posterior Instrumentation

Postoperative Management

Staged Operation of Thoracic Spine Tumors with Involvement of the Ribs

Indications

Incision and Positioning

Single-Stage Posterolateral Transpedicular Approach for Spondylectomy and Epidural Decompression

References

35 Thoracoabdominal Approach to the Thoracolumbar Junction

Overview

Transthoracic Approach to the Midthoracic Level

Positioning and Incision

Muscle Dissection

Rib Removal

Exposure of Vertebral Body (Transpleural)

Vertebral Body Resection

Exposure of the Vertebral Body (Extrapleural)

Bilateral Segmental Vessel Ligation

Anterior Approach to Thoracolumbar Junction (Transpleural-Transdiaphragmatic Approach with Tenth Rib Resection)

Positioning and Incision

Soft Tissue Dissection

Rib Removal

Diaphragm Incision

Exposure of Each Vertebral Body

Closure

Transpleural-Retroperitoneal Approach (Diaphragm Detach) to the Thoracolumbar Junction

Identification of the Insertion Point of the Crus

Incision of the Diaphragm Insertion

Psoas Muscle Dissection

Extrapleural-Retroperitoneal Approach to Thoracolumbar Junction with Eleventh Rib Resection

Positioning and Incision

Muscle Incision and Rib Removal

Retroperitoneal Space Dissection

Costal Cartilage Splitting

Extrapleural Space Dissection

Diaphragm Release from the Insertion to the Twelfth Rib

Vertebral Body Exposure

Widening of Vertebral Body Exposure

Wound Closure

Minithoracotomy-Transdiaphragmatic Approach (Mini-TTA)

Diaphragmatic and Relevant Anatomy

Anesthesia

Positioning

Technique

Prevertebral Dissection and Diaphragm Detachment

Corpectomy and Decompression of the Spinal Canal

Bone Grafting, Cage Placement, and Instrumentation

Closure

Postoperative Care

Complication Rates

Advantages of Mini-TTA versus Traditional Thoracoabdominal Approach

Advantages of Mini-TTA versus Thoracoscopic Surgery

Familiar Three-Dimensional View

Whole-Lung Ventilation

Simplicity in Equipment and Assistance

Low Rate of Surgery-Induced Rib Intercostal Neuralgia

References

36 Surgical Stabilization Techniques for Thoracolumbar Fractures

Classifications of Spinal Fractures

Historical Review

The Iowa Classification System and Algorithm

Stabilization Techniques

Anterolateral Approach to the Thoracolumbar Spine (T11–L4)

Posterolateral Transpedicular Approach with Vertebral Body Reconstruction

Posterior Minimally Invasive Techniques

Screw Placement

Rod Insertion

References

37 Anterior Retroperitoneal Approach to the Lumbar Spine

Overview

Anatomy Review

General Indications

Anterior Approach

Thoracoabdominal/Flank Approach

Direct Lateral (Minimally Invasive) Approach

Contraindications

Anterior Approach

Thoracoabdominal/Flank Approach

Direct Lateral (Minimally Invasive) Approach

Operative Technique

Equipment/Assistance

Anterior Approach

Thoracoabdominal/Flank Approach

Direct Lateral (Minimally Invasive) Approach

Patient Positioning

Anterior Approach (Fig. 37-5)

Thoracoabdominal/Flank and Direct Lateral Approaches (Fig. 37-6)

Dissection

Anterior Approach

Thoracoabdominal/Flank Approach

Direct Lateral (Minimally Invasive) Approach

Postoperative Care

Potential Complications

References

38 Posterior and Posterolateral Approaches to the Lumbar Spine

Overview

Anatomy

Indications/Contraindications

Indications

Contraindications

Patient Positioning

Operative Technique

Wiltse’s Approach

Anterior Column Surgery

Special Considerations at L5–S1

Closure

Complications

Conclusion

References

39 Surgical Approaches to Lumbar Fractures

Overview

Classification of Lumbar Fractures

Types of Fractures

Radiographic Evaluation of Fractures

Indications for Surgery

Neurologic Injury

Radiographic Analysis

Evaluation for Surgical Approach

Approach Surgeon

Adjuncts to Surgical Intervention

Fluoroscopy and Spinal Navigation

Neuromonitoring

Surgical Approaches for Location of Injury

Upper Lumbar Fractures: L1, L2, and L3

Posterior Approach

Posterior Approach with Anterior Column Stabilization

Lateral Retroperitoneal Approach

Lower Lumbar Fractures: L4 and L5

Posterior

Procedure

Intraoperative Complications

Recovery and Rehabilitation

Summary

References

40 Surgical Decompression and Stabilization for Lumbar Lesions:

Overview

Preoperative Preparation

Posterior Approaches

Laminectomy

Lateral Transpedicular-Extracavitary Approach

Anterior Approaches

Lateral Retroperitoneal Approach

Anterior Retroperitoneal Approach

En Bloc Spondylectomy

Reconstruction

Complications

Postoperative Care

References

41 Lumbar Microdiskectomy:

Overview

History

Prospective Studies

Indications

Anatomy

Lumbar Spine

Spinal Canal

Posterior Elements

Nerve Roots

Equipment

Positioning/Preparation

Midline Open Lateral Diskectomy

Bony Decompression

Disk Removal

Closure

Transmuscular Far-Lateral Diskectomy

Localization

Exposure

Disk Resection

Closure

Minimally Invasive Tubular Microdiskectomy

Localization

Exposure

Complications

Postoperative Care

Acknowledgment

References

42 Percutaneous and Endoscopic Diskectomy

Overview

Surgical Anatomy

Transforaminal Approach

Triangular Safe Zone

Endoscopic Anatomy

Interlaminar Approach

Indications and Contraindications

Indications

Soft Lumbar Disk Herniation

Relative Contraindications

Operative Technique

Equipment (Fig. 42-8)

Spinal Endoscope

Instruments for Access

Mechanical Instruments

Electrosurgical Instruments

Patient Positioning and Operating Room Setup

Anesthesia

Surgical Technique

Transforaminal Endoscopy

PELD for Nonmigrated Herniations

step 1. needle insertion.

step 2. chromodiskography.

step 3. instrument placement.

step 4. fragmentectomy.

PELD for Migrated Herniations.

Technique of Interlaminar PELD

Step 1. Chromodiskography.

Step 2. Needle Insertion.

axillary herniation.

shoulder herniation.

Step 3. Instrument Placement.

Step 4. Fragmentectomy.

Techniques to Increase Access for Herniations

Extraforaminal Disk Herniation.

Highly Downmigrated Herniations.

Complications

Conclusion

References

43 Surgical Anatomy and Operative Techniques of Lumbar Stenosis

General Considerations

Symptoms

Surgical Approach/Operative Techniques

Subtotal/Total Laminectomy

Unilateral Hemilaminotomy/Hemilaminectomy

Tubular Hemilaminotomy

Wound Closure

Postoperative Regimen

Avoiding Complications

44 Transpedicular Screw Fixation:

Overview

Pedicle Anatomy

Techniques of Transpedicular Screw Insertion

FreeHand Technique

Fluoroscopically Assisted Screw Placement

Image-Guided Navigation-Assisted Screw Placement

Electromyelographic Monitoring

Conclusion

References

45 Posterior and Transforaminal Lumbar Interbody Fusion

Overview

Indications and Contraindications

Indications

Contraindications

Operative Technique

Equipment

Posterior Lumbar Interbody Fusion Procedure

Laminectomy

Traditional Diskectomy

End Plate Preparation

Bone Graft Preparation

Bone Graft Placement

Closure and Postoperative Care

Transforaminal Lumbar Interbody Fusion Procedure

Patient Positioning and Pedicle Screw Placement

Unilateral Facetectomy and Contralateral Distraction

Total Diskectomy through a Unilateral Approach

End Plate Preparation

Cancellous Bone and Strut Bone or Cage Graft

Final Assembly of a Rod-and-Screw System and Closure

Postoperative Care

Complications

References

46 Anterior Lumbar Interbody Fusion

Overview

Advantages of an Anterior Approach

Patient Selection

Indications and Contraindications

Indications

Relative Contraindications

Operative Technique (Mini-Open Approach)

Equipment

Patient Positioning

Exposure

Vascular Dissection

Diskectomy

Interbody Implants

Plating (Optional)

Biologics (Optional)

Closure

Postoperative Care

Complications

Conclusion

47 Lateral Lumbar Interbody Fusion

Overview

Indications

Contraindications

Preoperative Planning

Operative Technique

Postoperative Care

Complications and Bailout Strategies

Conclusion

References

48 Spondylolisthesis Reduction

Overview

Classification

Evidence-based Decision Making

Treatment Options

Low- and High-Grade Slip Treated with Fusion

Formal Reduction Maneuver

High-Grade Slip Treated with Anterior and Posterior Techniques

Anterior Surgical Technique

Posterior Surgical Technique

Spondyloptosis

Conclusion

References

49 Lumbar Facet Screw Fixation Techniques

Overview

Anatomy Review

Indications

Contraindications

Relative Contraindications

Operative Technique

Equipment

Patient Positioning

Approach

Technique

Open Technique Direct Facet Screw Placement

Open Translaminar Technique

Percutaneous Translaminar Facet Fixation

Pearls

Closure

Postoperative Regimen and Care

Complications

Conclusions

References

E Lumbar Sacral Pelvic Junction

50 Surgical Anatomy, Approaches, and Biomechanics in the Lumbosacral Pelvic Junction

Overview

Anatomy

Surface Anatomy

Bony Antatomy of the Lumbosacral Junction

Biomechanics of Lumbosacral Junction

Vascular Anatomy

Neural Anatomy

Approaches to the Lumbosacral Junction

Anterior Versus Posterior Pathology-Guided Approach

Anterior Approach to the Lumbosacral Junction

Midline Transperitoneal Approach

Positioning.

Incision and Soft Tissue Dissection.

Intraperitoneal Dissection.

Retroperitoneal Dissection.

Diskectomy/Osteophytectomy.

Closure.

Complications.

Retroperitoneal Approach

Anterior Retroperitoneal Midline Approach

positioning.

incision.

soft tissue dissection.

retroperitoneal dissection.

diskectomy/osteophytectomy.

closure.

complications.

Anterior Retroperitoneal Flank Approach

lateral decubitus positioning.

lateral decubitus incision.

soft tissue dissection.

retroperitoneal dissection.

closure.

complications.

Posterior Approaches to the Lumbosacral Junction

Posterior Positioning

Posterior Incision: Midline, T-Shaped, Paramedian, or Transverse (Fig. 50-17)

Posterior Midline Approach

Posterior Paramedian Approach

Posterior Transverse Approach

Bony Work and Tumor Resection

Closure

Complications

References

51 Surgical Management of Sacral Fractures

Overview

Anatomy

Diagnosis

Classification: Sacral Fractures

Denis Classification

Roy-Camille Subclassification and Strange-Vognsen and Lebech Modification

Isler Classification of Lumbosacral Injuries

Surgical Management

Surgical Timing

Approach to Surgical Stabilization

Posterior Stabilization Techniques

Lumbopelvic Stabilization

Indications

Operative Setup and Equipment

Surgical Technique: Open Lumbopelvic Stabilization

Minimally Invasive Approaches.

Open Reduction Internal Fixation

Indications

Percutaneous Sacroiliac Fixation

Indications

Relative Contraindications

Complications

Surgical Outcomes

Complications

Conclusions

References

52 Axial Lumbar Interbody Fusion

Overview

Anatomy Review

Indications and Contraindications

Operative Technique

Equipment

Patient Preparation and Positioning

Approach

Technique of Diskectomy

Screw Placement

Two-Level Technique

Closure

Postoperative Care

Complications

Pearls and Pitfalls

References

53 Sacral Screw Fixation and Plating Techniques

Overview

Historical Background

Sacral Anatomy

Sacral Biomechanics

S1 Pedicle Screws

Indications for S1 Pedicle Screws

Relative Contraindications for S1 Pedicle Screws

Operative Equipment

Preoperative Planning

Patient Positioning

Surgical Approach

Surgical Technique

Jackson Intrasacral Rod Technique

Indications for Jackson Intrasacral Rod

Relative Contraindications for S1 Pedicle Screws

Operative Equipment

Preoperative Planning

Patient Positioning

Surgical Approach

Surgical Technique

S2 Alar Screws

Indications for S2 Alar Screws

Relative Contraindications for S1 Pedicle Screws

Operative Equipment

Preoperative Planning

Patient Positioning

Surgical Technique

Chopin Plate/Colorado II Sacral Plate

Indications for Chopin Plate/ Colorado II Sacral Plate

Relative Contraindications for S1 Pedicle Screws

Operative Equipment

Preoperative Planning

Patient Positioning

Surgical Approach

Surgical Technique

References

54 Iliac Fixation

Overview

Indications

Surgical Techniques

Equipment

Patient Positioning and Incision

Screw Insertion

Fusion Site Preparation

Connection to the Construct

Closure

Alternative Technique

Postoperative Care

Complications

Intraoperative Complications

Postoperative Complications

References

55 Surgical Resection of Sacral Tumors/Sacrectomy and Lumbopelvic Reconstruction

Overview

Tumors Involving S3 and Below

Tumors Involving Proximal Sacrum (Combined Anterior and Posterior Approach)

Ventral Sacrectomy

Posterior Sacrectomy

Sacral Reconstruction

Modified Galveston Technique

Rod Contouring

Double Iliac Screw Fixation with Lumbar Segmental Fixation

Triangular Frame Reconstruction

Transiliac Rod Placement

Posterior Iliosacral Plating

References

F Spinal Deformity

56 Surgical Approaches to Cervical Kyphosis and Deformity

Overview

Etiology

Clinical Presentation

Clinical Evaluation

Surgical Indications

Surgical Approach: Anterior, Posterior, or Combined?

Surgical Techniques

Anterior Approach

Anterior Surgical Technique

Results

Complications

Current Practice

Combined Anterior-Posterior Approach

Anterior-Posterior Surgical Technique

Results

Complications

Posterior Approach

Posterior Surgical Technique

Results

Complications

Conclusion

References

57 Surgical Management of Scheuermann Kyphosis

Overview

Indications and Contraindications

Indications

Contraindications

Operative Technique

Equipment

Patient Positioning

Location of Incision

Incision and Soft Tissue Dissection

Exposure of the Vertebrae

Retractor Placement

Instrumentation

Correction

Bone Graft

Closure

Postoperative Care

Complications

References

58 Surgical Approach to Posttraumatic Thoracic Kyphosis

Background

Normal Sagittal Balance

Impact of Spinal Column Trauma on Alignment

Presenting Symptoms of Thoracic Kyphosis

Correction of Thoracic Kyphosis

Complications Associated with Osteotomies

Summary

59 Anterior Release and Fusion Techniques for Scoliosis

Overview

Indications

Relative Indications

Endoscopic Contraindications

Relative Contraindications

Selection of Level of Fusion

Equipment

Open

Additional Endoscopic Equipment

Preoperative and Perioperative Considerations

Positioning

Lateral Decubitus (Endoscopic or Open)

Prone (Anterior Release Only)

Operative Technique

Incision/Exposure

Upper Thoracic Access (T1–T4)

Single and Double Thoracotomy: Convex

Endoscopic Access

Thoracolumbar (T10–L4) Access

Dissection of Pleura

Remove Disk/Vertebrae

Rib Head Removal

Graft Placement

Internal Thoracoplasty

Segmental Vessels

Screw Placement and Staples

Rod Reduction/Cantilever

Rod Derotation

Direct Vertebral Body Derotation

Compression

In Situ Bending

Closure

Outcomes

Conclusion

References

60 Anterior and Posterior Treatment for Thoracolumbar and Lumbar Scoliosis

Overview

Anterior Approaches

Thoracic Curves

Thoracolumbar Spine

Lumbar Spine

Posterior Approach

Lumbar Decompression

Posterior Release

Posterior Instrumentation

Posterior-Only Approach

Adolescent Idiopathic Scoliosis

Neuromuscular Scoliosis

Adult Spinal Deformity

Degenerative Scoliosis

References

61 Surgical Treatment of Adolescent Idiopathic Scoliosis:

Overview

Classification

Type I

Type 2

Type 3

Type 4

Type 5

Type 6

Indications/Contraindications

Operative Technique

Equipment

Positioning

Approach

Osteotomies

Freehand Pedicle Screw Placement

Reduction Techniques

Derotation Maneuver

Decortication/Grafting

Closure

Postoperative Care

62 Surgical Treatment of Flat Back Deformity

Overview

Etiology

Clinical Presentation

Radiographic Workup and Evaluation

Conservative Management

Operative Management

Smith-Peterson Osteotomy

Surgical Technique

Pedicle Subtraction Osteotomy

Surgical Technique

Anterior Surgery

Patient Outcomes

Summary

References

63 Surgical Management of Degenerative Lumbar Scoliosis

Overview

Natural History

History and Physical Examination

Radiologic Evaluation

Nonoperative Management

Operative Care

Risks

Preoperative Planning

Sagittal Alignment

Staging

Our Preferences

References

G Spinal Tumors and Vascular Lesions

64 Primary Malignant and Benign Tumors of the Spine

Overview

Presentation

Evaluation

Management

Malignant Tumors

Multiple Myeloma and Plasmacytoma

Ewing Sarcoma

Chondrosarcoma

Osteosarcoma

Chordoma

Benign Tumors

Hemangioma

Osteoid Osteoma and Osteoblastoma

Giant Cell Tumors

Chondroma, Enchondroma, and Osteochondroma

Aneurysmal Bone Cyst

Conclusion

References

65 Secondary Metastatic Tumors of the Spine

Overview

Clinical Presentation

Evaluation

Management

Surgical Management “Pearls”

Conclusion

References

66 Surgical Technique for Resection of Intradural Tumors

Overview

Indications and Contraindications

Indications

Relative Contraindications

Surgical Technique

Equipment

Patient Positioning

Exposure

Dural Opening

Approach to Intradural- Extramedullary Tumor

Approach to Intramedullary Tumor

Hemostasis

Closure

Postoperative Care

Complications

Conclusion

References

67 Vascular Lesions of the Spinal Cord

Overview

Normal Vascular Anatomy of the Spinal Cord

Anterior Spinal Artery

Posterior Spinal Artery

Pial Arterial Plexus

Radicular Arteries

Central Arteries

Veins of the Spinal Cord

Capillaries of the Spinal Cord

Hemangioblastoma

Genetics

Epidemiology

Pathology

Imaging

Surgical Considerations

Surgical Technique

Outcomes

Spinal Cord Cavernous Malformations

Genetics

Epidemiology

Clinical Presentation and Natural History

Pathology

Imaging

Surgical Considerations

Surgical Technique

Dorsally Located Lesions (Fig. 67-5)

Ventrally Located Lesions

Outcomes

Spinal Cord Arteriovenous Malformations

Genetics

Classification

Epidemiology and Natural History

Extradural Arteriovenous Fistulas

Intradural Dorsal Arteriovenous Fistulas

Intradural Ventral Arteriovenous Fistulas

Extradural-Intradural Arteriovenous Malformations

Intramedullary Arteriovenous Malformations

Conus Arteriovenous Malformations

Pathophysiology

Imaging

Surgical Considerations

Surgical Technique

Extradural Arteriovenous Fistulas

Intradural Dorsal Arteriovenous Fistulas

Intradural Ventral Arteriovenous Fistulas

Extradural-Intradural Arteriovenous Malformations

Intramedullary Arteriovenous Malformations

Conus Arteriovenous Malformations

Spinal Cord Aneurysms

References

H Inflammatory Disease

68 Ankylosing Spondylitis:

Overview

Osteotomy for Correction of Kyphotic Deformity of Ankylosing Spondylitis

Indications

Contraindications

Posterior Cervical Osteotomy for Correction of Kyphotic Deformity of Ankylosing Spondylitis

Advantages

Disadvantages

Preoperative Evaluation

Intraoperative Technique

Postoperative Management

Complications

Pedicle Subtraction Osteotomy for Kyphotic Deformity of the Thoracolumbar Spine

Advantages

Disadvantages

Preoperative Evaluation

Location of Osteotomy

Operative Technique

Equipment

Patient Positioning.

Location of Incision.

Intraoperative Technique.

Postoperative Care

Complications

Conclusion

I Spinal Infection

69 Bacterial, Fungal, and Tuberculosis Diskitis and Osteomyelitis of the Cervical, Thoracic, and Lumbar Spine

Overview

Indications and Contraindications for Surgical Management of Spinal Infection

Indications

Contraindications

Operative Technique

General Considerations

Cervical Diskitis and Osteomyelitis

Positioning

Approach

Débridement and Decompression

Reconstruction

Strut Graft Without Anterior Instrumentation

Strut Graft with Anterior Instrumentation.

Posterior Instrumentation

Thoracic Diskitis and Osteomyelitis

Anesthesia

Patient Positioning

Localization

Surgical Approach

Decompression and Reconstruction

Supine Position

Lateral Decubitus

Anterior Instrumentation

Posterior Instrumentation

Lumbar Diskitis and Osteomyelitis

Positioning and Anesthesia

Exposure

Débridement and Decompression

Anterior Reconstruction

Posterior Stabilization

Tuberculosis and Fungal Infections of the Spine

Epidural Abscess

Postoperative Care

Complications

References

J Miscellaneous

70 Surgical Management of Gunshot Wounds to the Spine

Overview

Epidemiology

Mechanisms of Injury

Prehospital and Emergency Room Management

Neurologic Evaluation

Radiologic Evaluation

Indications for Surgical Intervention

Cerebrospinal Fluid Fistula

Spinal Instability

Neurologic Deficit

Special Indications

Disk Herniation

Lead Toxicity

Bullet Migration

Late Complications

Louisiana State University–New Orleans Experience

Summary

References

71 Vertebroplasty and Kyphoplasty

Overview

Treatment Objectives

Indications

Contraindications

Complications

Preoperative Preparation

Radiologic Anatomy for Kyphoplasty and Vertebroplasty

Equipment for Vertebroplasty and Kyphoplasty

Procedure

Inserting Tools into the Fractured Vertebral Body

Unipedicular Posterolateral Approach

Transpedicular Approach

Extrapedicular Approach

Placing and Inflating the Bone Tamp (Balloon Kyphoplasty)

Mixing the Cement and Filling the Void

Postoperative Management

Potential Adverse Results

References

72 Bone Graft Harvesting Techniques

Overview

Selecting a Bone Graft

Techniques of Bone Graft Harvest

Anterior Iliac Crest Grafts

Posterior Iliac Grafts

Alternative Autologous Sites

Allograft and Fusion Supplements

Conclusion

References

73 Dural Tears

Overview

Anatomy Review

Clinical Diagnosis

Conservative and Nonsurgical Treatment of Dural Tears

Intraoperative Surgical Repair

Surgical Methods and Materials

Suture

Dural Substitutes

Allografts.

Autogenous Dural Substitutes.

Synthetic or Chemically Modified Materials.

Dural Sealants

Other Dural Tear Surgical Solutions

Postoperative Surgical Repair

Summary

References

Index

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

Z

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