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Mastering Orthopedic Techniques Total Knee Arthroplasty
Rajesh Malhotra
1:
Design Principles
Introduction
Early Attempts
Hinged Implants
Newer Hinge Prosthesis
Bicompartmental Prosthesis
Tricompartmental Prosthesis
POSTERIOR CRUCIATE SUBSTITUTION VS RETENTION
RANGE OF MOTION
KINEMATICS
GAIT
PROPRIOCEPTION
CORRECTION OF DEFORMITY AND STABILITY
POLYETHYLENE WEAR
Meniscal Bearing Prosthesis
High Flexion TKR
Cementless Fixation
Patellofemoral Design
INSET PATELLA
ONLAY PATELLA
Conclusion
2:
Bone Cuts in Total Knee Arthroplasty
Introduction
Distal Femoral Bone Cut
Proximal Tibial Bone Cut
Femoral Anteroposterior Bone Cut
Preparing for Trial Reduction
Patella Bone Cut
Conclusion
3:
Total Knee Arthroplasty in Varus Deformity
Introduction
Indications and Contraindications
Preoperative Planning
Choice of Implant
Surgery
Anesthesia and antibiotic prophylaxis
Positioning
Approach
Soft-tissue Release for Varus Knee
Bone Cuts in Varus Knee
Trial Reduction
Patellar Resurfacing
Component Insertion
Closure
Tips and Pearls
Postoperative Management
Complications
INSTABILITY
AVULSION OF PATELLAR TENDON
Results
Illustrative Case
4:
The Valgus Knee
Introduction
Indications
Preoperative Planning
Implant Selection
Surgical Technique
Tibial Resection
Femoral Resection
Extension Gap Balancing
The “Inside-out” Technique
Flexion Gap Balancing
Postoperative Management
Results
Complications
Illustrative Case
5:
Total Knee Arthroplasty in Flexion Deformity
Introduction
Pathophysiology
Principles of Correction of Flexion Contracture
GRADE-I FLEXION CONTRACTURE
GRADE-II FLEXION CONTRACTURE
Proximal Release
Distal Release
Gradual Release
GRADE-III FLEXION CONTRACTURE
Postoperative Care
Sequence for Correction of Fixed Flexion Deformity during TKA
STEP 1
STEP 2
STEP 3
STEP 4
Summary of Surgical Protocol
Complications
Summary
Results
Illustrative Case
6:
Total Knee Arthroplasty for the Stiff Knee
Introduction
Indications/Contraindications
Preoperative Assessment and Planning
Choice of Implant
Surgical Technique
Postoperative Management
Complications
Illustrative Cases (Figs 6.6 and 6.7)
Conclusion
7:
Management of Femoral Bone Defects in Knee Arthroplasty
Introduction
Indications/Contraindications
Preoperative Planning
Implant - Description and Features
Surgery
ANESTHESIA
POSITION
APPROACH/EXPOSURE
PROCEDURE
Tips and Pearls
Postoperative Management
Complications
Illustrative Cases (Figs 7.21 to 7.23)
8:
Management of Tibial Defects in Primary Total Knee Arthroplasty
Classification
Anderson Orthopedic Research Institute Classification4
Preoperative Planning
Management of Tibial Bone Defects
Contained Defect
Uncontained Defect
Summary
Illustrative Case
9:
Cementing Techniques
Introduction
Bone Preparation
Antibiotic in Cement
Cement in Revision TKA
Illustrative Cases
PRIMARY TKA
2 STAGE REVISION
10:
Cementless Total Knee Arthroplasty
Introduction
Advantages
Disadvantages
Contraindications
Past Failures
Preoperative Planning
Anesthesia
Position
Approach and Exposure
Surgical Technique
Closure
Postoperative Period
Postoperative Complication
Results
Illustrative Case (Figs 10.8A to E)
11:
Cruciate Retaining Total Knee Replacement
Introduction
Anatomic Consideration
Rationale for PCL Retention
Stability
Femoral Rollback
Range of Motion
Stresses at Bone Implant Interface and Wear
Proprioception
Gait Analysis
Technique
EXPOSURE
PROCEDURE
FEMORAL CUTS
TIBIAL CUTS
SOFT TISSUE BALANCE
PCL IN MOBILE BEARING TKR
Summary
Illustrative Case (Figs 11.10A to G)
12:
Constrained Condylar Knee Arthroplasty
Introduction
CONSTRAINT
BACKGROUND AND DESIGNS
Hinged Knee Implants
Varus-valgus Constrained Prostheses
Constraint Sequels
Indications
Surgical Technique
Summary
13:
Patellofemoral Arthroplasty
Introduction
Indications/Contraindications
INDICATIONS
CONTRAINDICATIONS
Preoperative Planning
PATIENT SELECTION
RADIOLOGICAL EVALUATION
PATIENT EXPECTATIONS
Implant - Description and Features
AVON (STRYKER)
JOURNEY (SMITH AND NEPHEW)
VANGUARD (BIOMET)
NATURAL KNEE II (ZIMMER)
Surgery
ANESTHESIA
POSITIONING
APPROACH/EXPOSURE
Procedure
TROCHLEAR PREPARATION
ROTATIONAL ALIGNMENT
Method 1: Tibial Referencing
Method 2: AP Axis/Epicondylar/Axis Visualization
ANTERIOR FEMORAL CUT
SIZING OF THE FEMUR
PREPARATION OF THE PATELLA
CLOSURE
Tips and Pearls/Cautions
Postoperative Management
Complications
EARLY
LATE
Illustrative Case
14:
Fixed Bearing Unicompartmental Knee Replacement
Fixed - Bearing Unicompartmental Knee Arthroplasty
Implants
Indications and Contraindications
Preoperative Evaluation
Surgical Technique
Postoperative Protocol
Complications
Illustrative Case (Figs 14.11 to 14.13)
15:
Mobile Bearing Unicompartmental Knee Arthroplasty
Indications and Contraindications
Radiographic Investigations
Principles of Technique
Limb Alignment and Component Positioning
Surgical Technique for Oxford Unicondylar Knee
TEMPLATING
POSITIONING
APPROACH
Tibial Cut
Femoral Preparation
Complications
Tips, Pearls and Results of Mobile Bearing UKA
Conclusion
Illustrative Case
16:
Noiles Rotating Hinge Knee Replacement
History
Indications
INSTABILITY
BONE LOSS
HINGE TO HINGE REVISION
NONUNION
CONVERSION OF ARTHRODESIS TO KNEE REPLACEMENT
STIFFNESS
INFECTION
Surgical Technique
Postoperative Rehabilitation
Complications
Outcome
Clinical Case
17:
Computer-aided Total Knee Arthroplasty
Introduction
The Evolution of Computer-aided Surgery
Surgical Technique
Cases in Illustration
CASE 1
CASE 2
CASE 3
Computer-aided Surgery
Conclusion
18:
Two Stage Revision for Infected Total Knee Arthroplasty
Diagnosis
Classification
Two Staged Revision
PHASE 1: 1ST STAGE REVISION
Non-articulating Spacers
Choice of Antibiotics in Spacers
Factors Affecting Elution of Antibiotics from Polymethylmethacrylate Spacers
Method for Mixing Antibiotic-Impregnated Cement
Changes in Biomechanical Properties
Antibiotic Doses for Polymethylmethacrylate Spacers
PHASE 2
PHASE 3
Advantages of Using a Spacer
Results
Illustrative Case
19:
Extra-articular Deformity: Femur
Introduction
Preoperative Planning and Surgical Procedure
Tips and Pearls
Complications
Illustrative Cases (Figs 19.1 to 19.4)
CASE 1
CASE 2
CASE 3
Case 4
20:
Extra-articular Deformity: Tibia
Introduction
Preoperative Planning and Surgical Procedure
Tips and Pearls
Complications
Illustrative Cases
CASE 1 (Figs 20.3A and B)
CASE 2 (Figs 20.4A and B)
21:
Total Knee Arthroplasty in Fracture
Introduction
Distal Femoral Fractures
ACUTE FRACTURES
RATIONALE OF TKA
CHOICE OF TKA DESIGN
CEMENTATION
BONE LOSS
SUPPLEMENTARY FIXATION
TECHNIQUE
RESULTS
Distal Femoral Nonunion
TECHNIQUE
RESULTS
Proximal Tibial Fractures
TECHNIQUE
RADIOGRAPHS
PLANNING THE INCISION
HARDWARE REMOVAL
RESULTS
Stress Fractures
TECHNIQUE
RESULTS
Summary
22:
Periprosthetic Fractures of the Tibia and Femur after Total Knee Arthroplasty
Risk Factors
Intraoperative Fractures
Classification of Periprosthetic Fractures in General
Treatment
Problems with Fixation of Fractures Around Arthroplasties
Pitfall: Infection
Femoral Periprosthetic Fractures
PREOPERATIVE PLANNING
IMPLANT CHOICES
Locking Plate Length Selection and Screw Configuration (NCB)
Anesthesia
Planning
Position
Complications
Alternate techniques Tips and Pearls/Cautions
Tibial Periprosthetic Fractures
PREOPERATIVE PLANNING
Anesthesia
Position
Treatment
Planning
Approach/exposure
Reduction Techniques
Closure
POSTOPERATIVE MANAGEMENT
Complications
Alternate Techniques Tips and Pearls/Cautions
Treatment
Planning
Approach/exposure
Reduction Techniques
Closure
POSTOPERATIVE MANAGEMENT
Complications
Alternate Techniques Tips and Pearls/Cautions
INDEX
TOC
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