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Diabetic Foot - ECAB

Diabetic Foot - ECAB

Arun Bal

(2012)

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Book Details

Abstract

Of all lower extremity amputations, 40–70% are related to diabetes. In most studies, the incidence of lower leg amputation is estimated to be 5–25/100,000 inhabitants/year: among people with diabetes the number is 6–8/1,000. Lower extremity amputations are usually preceded by a foot ulcer in people with diabetes. The most important factors related to the development of these ulcers are peripheral neuropathy, foot deformities, minor foot trauma, and peripheral vascular disease. The spectrum of foot lesions varies in different regions of the world due to differences in socioeconomic conditions, standards of foot care and quality of footwear.

This clinical update is designed to address this condition in a comprehensive way to help the reader take important questions while managing the patient with supportive typical clinical scenarios, with which all readers will be able to identify. Thus it provides an excellent opportunity to widen one’s perspective in this area.


Table of Contents

Section Title Page Action Price
Front Cover\r Front Cover
Front Matter\r ia
Diabetic Peripheral\rNeuropathy and\rDiabetic Foot Ulcer\r 5a
Copyright ie
About the Authors if
Contents ig
ECAB Clinical Update InformationDiabetic Foot i
ELSEVIER CLINICAL ADVISORY BOARD (ECAB)INDIA i
STATEMENT OF NEED i
DIABETIC FOOT ii
TARGET AUDIENCE ii
EDUCATIONAL OBJECTIVES ii
ACCREDITATION INFORMATION ii
DISCLAIMER ii
DISCLOSURE OF UNLABELED USES iii
DISCLOSURE OF FINANCIAL RELATIONSHIPSWITH ANY COMMERCIAL INTEREST iii
RESOLUTION OF CONFLICT OF INTEREST iii
CONTENT DEVELOPMENT COMMITTEE iv
ENQUIRIES iv
Introduction 1
Diabetic PeripheralNeuropathy andDiabetic Foot Ulcer 5a
ABSTRACT: 5a
KEYWORDS: 5a
INTRODUCTION 5
EPIDEMIOLOGY 7
NATURAL HISTORY 7
PATHOLOGY 8
Myelinated Fibers 8
Unmyelinated Fibers 10
DEFINITIONS AND CLASSIFICATION 10
Rapidly Reversible Hyperglycemic Neuropathy 13
Acute Painful Neuropathy of Poor Glycemic Control 14
Acute Painful Neuropathy of Rapid Glycemic Control(“Insulin Neuritis”) 14
Mononeuropathies 15
Proximal Motor Neuropathies 15
Chronic Sensory Motor Neuropathy(Chronic Distal Symmetrical Neuropathy) 18
INVESTIGATION OF NEUROPATHY 19
Clinical Measures 19
Quantitative Sensory Testing 19
Electrophysiology 20
Morphologic Assessment 20
TREATMENT OPTIONS 20
Current Treatments 21
Treatment 21
Management of Distal Symmetrical Polyneuropathy 21
Management Aimed at Symptoms 22
Pain Control 22
Management of Disabling Painful Neuropathy NotResponding to Pharmacological Treatment 23
Potential Future Therapies 24
Aldose Reductase Inhibitors 24
24
Nerve Growth Factor 25
New Treatments for Autonomic Dysfunction 25
DIABETIC FOOT ULCER:INTRODUCTION 25
PATHOGENESIS 26
Charcot Foot 26
Classification 27
Clinical Presentation 27
Diagnosis: Diagnostic Procedures for DFU89 28
ALTERNATIVES TO CONTRAST ANGIOGRAPHY 29
Prevention and Management of Foot Ulcers in Diabetes 41
Why do Patients of Diabetes get Foot Problems? 44
Evaluation Of Diabetic Neuropathy 45
Effects of Peripheral Neuropathy 46
Sudomotor Dysfunction 46
Arteriovenous Shunting 47
Development of Arteriovenous Shunts 47
Effects of AVS on Diabetic Foot 47
Contribution of Nails to the Development of Diabetic Foot Ulcers 48
Painless-Painful Foot Syndrome in Diabetes 49
Peripheral Vascular Disease in Diabetes 49
Pathogenetic Contribution of Vasculopathy to the Development of Neuropathy 51
Infection and Related Issues 51
Diabetes Mellitus as an Immunocompromised State 53
Failure of Diabetics to Control the Spread 53
Management of Infected Diabetic Foot 54
How Early Conservative Amputation Should Be Done? 55
Concept of Foot Spaces43 55
Measures to Prevent Worsening of Polybacterial Foot Infections 56
Assessment 56
Clinical 56
Laboratory 57
Assessment of Comorbidities 57
Imaging Investigations (Likely Findings) 58
Treatment 58
Guidelines for the Usage of Antibiotics 58
Non-limb-threatening Infections 58
Oral 58
Limb-threatening Infections 59
Parenteral 59
Life-threatening Infections 59
Other Useful Antibiotics 59
Types of the Procedures 59
Principle 59
Draining Plantar Spaces 59
About the First Toe 60
First Toe Disarticulation 61
A Special Consideration for Trans-metatarsal Amputation 61
Lesser Toe Amputation 61
Ray Amputation 62
Syme's Amputation 62
Wound Care 63
Off-loading 63
Rehabilitation 63
Prevention of Recurrence 64
Factors Deciding the Level of Amputation 64
Factors Influencing the Clinical Outcome 64
Time of Procedure 64
Footwear in Diabetes 65
Footwear in General 65
Hawaii Chappals with Toe-straps 65
Objectives of Diabetic Footwear49 66
Relief of Excessive Plantar Pressure 66
Reduction of Shock 66
Reduction of Shear (Frictional Forces) 66
Accommodation of Minimal Deformity 66
Stabilization of Deformity 66
Preventing Recurrence of Ulcer 66
Characteristics of Ideal Diabetic Footwear50 66
General Guidelines for Size, Length and Fitment50 67
A Classification of the Diabetic Footwear 68
Comfortable Pressure Reducing Walking Footwear 68
Prophylactic Walking Footwear 68
Custom-moulded Shoe 68
Rigid Rocker Bottoms 68
Roller Bottoms (Sole or Bar) 68
Therapeutic Off-loading Measures for Faster Healing of Ulcers 68
Choosing Footwear for Different Clinical States 69
Normal Response to Monofilament Test 69
With Partially Healed or Non-healing Planter Ulcer by Reducing Pressure 70
With Foot Deformity 70
Partially Amputated Foot 70
Rocker Soles49 71
How Frequently Should Footwear be Changed?50 71
How to Protect High-Pressure Areas in Foot with Footwear?51 71
Assessing the Footwear Quality69 72
Qualities Required at the Component and Product Level 72
Insole/Foot Bed 72
Soles 73
Heel Height 74
Pressure Socks 74
How Diabetic Foot Ulcer Should be Prevented and Managed in Indian Setting 74
Detecting Foot at Risk 74
Causes of Infections 74
History 75
Examination 75
Examination of Ulcer with the Help of a Trained/Trainable Paramedic 78
Surgical Management of an Ulcer even in the PHC Level-Probe and Explore 79
Footwear 79
Referral to Higher Level of Healthcare 80
Case Studies Prevention and Management of Foot Ulcers in Diabetes 88
Case Study 1 88
Case Study 2 91
Case Study 3 92
Case Study 4 93
Case Study 5 95
Case Study 6 97
Case Study 7 98
Antibiotics in Diabetic Foot Infection 100
Global Update 102
Update in Indian Context 103
Personal clinical experience/management 106
Indianized algorithm/treatment plan 112
Conclusions 113
Case Studies Antibiotics in Diabetic Foot Infection 120
Case Study 1 120
History 120
Examination 120
Management 120
Discussion 121
Case Study 2 121
History 121
Examination 121
Management 122
Discussion 122
Case Study 3 122
History 122
Examination 122
Management 123
Discussion 124
Summary 125
Forthcoming Books 129