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Total Knee Arthroplasty E-Book

Total Knee Arthroplasty E-Book

Richard D. Scott

(2014)

Additional Information

Book Details

Abstract

Learn the latest innovations and techniques of one of the most performed procedures in the world with Total Knee Arthroplasty. Dr. Richard Scott, co-designer of the Total Knee System, brings his years of experience to each clinical challenge, walking you through myriad scenarios and highlighting the pearls and pitfalls he experienced himself along the way. This single-author format lends a consistent, authoritative voice to this medical reference book.

  • Regularly consult this expansive reference with topics of interest to surgeons of all levels of experience.
  • Quickly find pertinent information with a user-friendly index and hundreds of detailed, full-color illustrations.
  • Explore in-depth topics covering all facets of knee replacement, both operative and nonoperative, to restore function to diseased knee joints.
  • Comprehend complex methods through an easy-to-access procedure-based format that includes tips on what surgeons should avoid in every situation.
  • Take advantage of Dr. Scott's expert guidance in the design and technique of PCL retaining TKA and Unicompartmental knee arthroplasty.
  • Access frequently asked questions concerning total knee arthroplasty.
  • Consult this title on your favorite e-reader, conduct rapid searches, and adjust font sizes for optimal readability.

Table of Contents

Section Title Page Action Price
Front Cover cover
Inside Front Cover ifc1
Total Knee Arthroplasty, 2/e i
Copyright Page iv
Dedication v
Preface vii
Table Of Contents ix
1 Posterior Cruciate Ligament Retention Versus Substitution 1
Advantages of Posterior Cruciate Ligament Retention 1
Candidates for Posterior Cruciate Ligament Retention 2
Balancing the Posterior Cruciate Ligament 2
Disadvantages of Posterior Cruciate Ligament Retention 6
Indications for Posterior Stabilized Primary Total Knee Arthroscopy 7
Disadvantages of Posterior Cruciate Ligament Substitution 7
References 9
2 Mobile Versus Fixed Bearings in Total Knee Arthroplasty 11
Why Consider a Mobile-Bearing Alternative? 11
Avoiding Spinout 13
What To Do If Spinout Occurs 14
References 15
3 Primary Total Knee Arthroplasty Surgical Technique 17
Positioning of the Patient 17
Placement of the Footrest 17
Sterile Preparation of the Leg 17
The Tourniquet 18
The Incision 18
Medial Parapatellar Arthrotomy 18
Completing the Exposure 19
Preparation of the Femur 20
Distal Femoral Resection 22
The Valgus Angle 22
Sizing the Femur 23
Determining the Rotational Alignment of the Femoral Component 24
Placement of the Anteroposterior Cutting Jig 26
Completing the Femoral Cuts 26
Trochlear Resection 26
Posterior Condylar Resection 26
Chamfer Cuts 27
Final Preparation of the Femur 27
Assessing the Potential for Cementless Femoral Fixation 29
Preparation of the Patella 30
Clearing the Quadriceps Tendon 30
Measuring Patellar Thickness and Applying a Cutting Jig 30
Cutting the Patella 30
Preparation of the Tibia 31
Determining the Amount of Tibial Resection 31
Intramedullary Versus Extramedullary Alignment 31
Determining Alignment of the Tibial Resection with Extramedullary Devices 31
Posterior Tibial Slope 32
Sizing the Tibia 33
Determining the Rotational Alignment of the Tibial Component 34
Adjusting Flexion and Extension Gaps 35
Assessment of Patellar Tracking 36
Final Preparation Prior to Cementing of Components 36
Cementing Components 36
Draining and Closing the Wound 37
Perioperative Management 37
Anticoagulation 37
Rehabilitation Protocol 38
Follow-Up Appointments 38
References 38
4 Total Knee Arthroplasty in Severe Varus Deformity 41
Medial Release in Extension 41
Shift and Resect Technique 41
Formal Medial Collateral Ligament Release From the Tibia 43
Distal Femoral Resection 43
Femoral Component Rotation 44
Options for Restoration of Deficient Tibial Bone Stock 45
Residual Lateral Laxity 45
Correcting Significant Residual Lateral Laxity 46
Internal Tibial Torsion 47
Summary 47
References 48
5 Total Knee Arthroplasty in Severe Valgus Deformity 49
Lateral Femoral Condyle Hypoplasia 50
Balancing the Extension Gap by a Lateral Release 54
Inverted Cruciform Release for Severe Valgus 54
Lateral Collateral Ligament, Popliteal, and Biceps Tendon Release 55
Summary 58
References 58
6 Patellofemoral Complications Associated with Total Knee Arthroplasty 59
Residual Valgus Limb Alignment 61
Excessive Valgus Placement of the Femoral Component 61
Patella Alta 61
Component Malrotation 61
Patellar Thickness 62
Asymmetric Patellar Preparation 62
Need for Lateral Release 62
“Rule of No Thumb” Test 63
Dynamic Patellar Instability 63
Testing for Dynamic Instability 63
Patella Fracture 64
References 68
7 Stiffness Before and After Total Knee Arthroplasty 69
Exposing the Stiff Knee 69
Exposing the Knee Ankylosed in Extension 70
Exposing the Knee Ankylosed in Flexion 70
Heterotopic Bone Formation 72
Overzealous Physical Therapy 72
Manipulation of the Knee 72
Timing of Knee Manipulation 73
Technique of Knee Manipulation 73
Manipulating Into Extension 74
Summary 74
References 74
8 Flexion Contracture Associated with Total Knee Arthroplasty 75
Treatment Options 75
Preoperative Measures 76
Intraoperative Measures 76
Osteophyte Removal 76
Additional Distal Femoral Resection 77
Algorithm Based on Personal Experience 78
Summary of Treatment Guidelines 78
Other Important Considerations 78
Contractures Resulting From Bony Deformity 78
Bilateral Contractures 78
Patella Baja 79
Posterior Slope 79
Capsular Closure 79
Ancillary Measures 79
Summary 80
References 80
9 Total Knee Arthroplasty After Osteotomy 81
Operative Exposure 81
Patella Baja 81
Retained Hardware 82
Up-Sloped Joint Line 83
Nonunion 83
Malunion 85
Consequences of Overcorrection of a Varus Tibial Osteotomy 85
Offset Tibial Shafts 88
Unicompartmental Replacement after Failed Tibial Osteotomy 88
Summary 88
References 90
10 Total Knee Arthroplasty in Rheumatoid Arthritis 91
Ipsilateral Hip Involvement 91
Anticoagulation Needs 92
Flexion Contracture 92
Rheumatoid Cysts 93
Patellar Resurfacing 93
Synovectomy and Recurrent Active Rheumatoid Synovitis 94
Risk for Infection 94
Need for Adequate Knee Flexion 95
Osteopenia 95
Anesthetic Considerations 96
Posterior Cruciate Ligament Preservation Versus Substitution 96
Summary 97
References 97
11 Bone Stock Deficiency in Total Knee Arthroplasty 99
Femoral Deficiency 99
Bone Grafting 99
Cement Alone 99
Cement Plus Screw Augmentation 99
Augmented Components 102
Tibial Deficiency 103
Bone Grafting 103
Cement Alone 106
Cement Plus Screw Augmentation 106
Bulk Allograft 106
Modular Augmentation Wedges 108
Trabecular Metal Cones and Metaphyseal Sleeves 109
Custom Components 109
Summary 111
References 111
12 Bilateral Simultaneous Total Knee Arthroplasty 113
The Decision 113
Anesthetic Considerations 113
Anticoagulation 113
Weight-Bearing Status 114
Surgical Technique 114
Length of the Incisions 114
Preemptive Advice to Patients 114
Patient Satisfaction 115
Bilateral Revisions 115
Bilateral Primary and Revision Surgery 115
Summary 115
Reference 115
13 Sepsis and Total Knee Arthroplasty 117
Perioperative Prophylactic Measures 117
Preoperative Germicidal Skin Scrub 117
Surgical Preparation and Draping 117
Laminar Air Flow Versus Ultraviolet Lights 118
Intravenous Antibiotics 118
Proper Skin Incision 118
Wound Care 118
Skin Necrosis 120
Postoperative Prophylactic Measures 120
Classification of Infections 120
Treatment Options 121
Closed Treatment 121
Open Synovectomy, Débridement, and Insert Exchange 121
Primary Prosthetic Exchange 122
Delayed Prosthetic Exchange 122
Delayed Exchange Protocol 122
Resection Arthroplasty 124
Knee Arthrodesis 124
Amputation 124
Summary 124
Reference 124
14 Staying Out and Getting Out of Trouble During Total Knee Arthroplasty 125
Choosing the Correct Incision 125
Dealing with Skin Necrosis 126
A Draining Wound 126
Dealing with Excessive Suction Drainage 128
Treating a Large Hematoma 128
Treating Patellar Tendon Avulsion 129
Avoiding Medial Collateral Ligament Injury 129
Addressing Medial Collateral Ligament Injury 130
Avoiding and Resolving Popliteus Tendon Impingement 130
Choosing between Femoral Sizes 131
Summary 133
References 133
15 Repeat Operation After Total Knee Arthroplasty 135
Femoral Component Loosening 135
Tibial Component Loosening 135
Patellar Complications 136
Metal-Backed Patella 136
All-Polyethylene Patella 136
Unresurfaced Patella 136
Polyethylene Wear 137
Prosthetic Infection 137
Traumatic and Atraumatic Late Laxity 137
Miscellaneous Causes for Re-Operation 138
Recurrent Hemarthrosis 139
Recurrent Rheumatoid Synovitis 139
Stiffness Refractory to Manipulation 140
Ganglion Cysts 140
Summary 140
References 140
16 Unicompartmental Knee Arthroplasty 141
Classic Selection Criteria 144
Minimally Invasive Unicompartmental Knee Arthroplasty 145
Metallic Unicompartmental Hemiarthroplasty 145
Summary 146
References 146
17 Unicompartmental Knee Arthroplasty Technique 149
Basic Principles 149
Preoperative Planning 149
Operative Exposure 150
Other Elements of Medial Exposure 151
Preparation of the Tibia 152
Distal Femoral Resection 154
Intramedullary Femoral Alignment Technique 155
Extramedullary Femoral Alignment Technique 155
Sizing of the Femur 155
Rotational Alignment of the Femoral Component 156
Mediolateral Positioning of the Femoral Component 156
Final Preparation of the Femur 157
Final Preparation of the Tibial Component 159
Technical Nuances in Lateral Compartment Arthroplasty 159
Cementing Components 160
Closure 161
References 161
18 Frequently Asked Questions Concerning Total Knee Arthroplasty 163
Categories of Questions 163
The Answers 163
Preoperative Questions 164
Q: What is the chance for success? 164
Q: What is the recovery time? 164
Q: Will I go to a rehabilitation facility or home? 164
Q: When can I drive? 164
Q: When can I travel? 164
Q: When can I return to work? 164
Q: What activities are permitted after surgery? 164
Q: How long will my knee surgery last? 164
Perioperative Questions (in Hospital) 164
Q: When can I shower or get the incision wet? 164
Q: When can I immerse my knee totally, such as in a bathtub or swimming pool? 164
Q: When should I wear the knee immobilizer? When can I discontinue it? 165
Q: How often should I use the continuous passive motion (CPM) machine? 165
Q: How long do I need a bandage on my incision? 165
Q: When will my sutures (or staples) be removed? 165
Perioperative Questions (Out of the Hospital) 165
Q: How long will I be on pain medication? 165
Q: How long will I be on a blood thinner? 165
Q: Can I drink alcohol during my recovery? 165
Q: How long should I take iron supplements? 165
Q: What are good and bad positions for my knee during recovery? 165
Q: Should I apply ice or heat? 165
Q: How long should I wear compression stockings? 165
Q: Can I go up and down stairs? 165
Q: Will I need physical therapy? 166
Q: When can I resume sexual intercourse? 166
Postoperative Concerns 166
Q: I feel depressed. Is this normal? 166
Q: I have insomnia. Is this normal? What can I do about it? 166
Q: I am constipated. What should I do? 166
Postoperative Concerns (Long Term) 166
Q: How much range of motion do I need? 166
Q: What range of motion should I expect from my knee after 6 weeks? After 1 year? 166
Q: I think my leg feels longer now. Is this possible? 166
Q: Can I use weights when I exercise? 166
Q: Will I set off the security monitors at the airport? Do I need a doctor’s letter? 166
Q: Do I need antibiotics before having dental work or an invasive medical procedure? 167
Q: Can I kneel? 167
Q: When do I need to follow up with my surgeon? 167
Reference 167
Index 169
A 169
B 169
C 169
D 170
E 170
F 170
G 170
H 170
I 171
J 171
K 171
L 171
M 171
N 172
O 172
P 172
Q 173
R 173
S 174
T 174
U 175
V 175
W 175
Inside Back Cover ibc1