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Clinical Diagnosis and Management of AIDS (HIV) in Eye
Ashok Garg, David Meyer, Kirit Mody, Scott W Cousins
1:
Human Immune System
INTRODUCTION
INNATE (NON-SPECIFIC) IMMUNITY
Anatomical and Physiological Barriers
Mononuclear Phagocytes
Polymorphonuclear Leukocytes and Mast Cells
Complement
ACQUIRED (SPECIFIC) IMMUNITY
Cells and Organs of the Immune System
Immune Cells
Organs of the Immune System
Major Histocompatibility Complex
Cellular Immunity
Clusters of Differentiation Antigens of T-cells
T-Lymphocyte Activation
Soluble Mediators of the Immune System
Cell-mediated Immunity
Humoral Immunity
Antibody Responses
B-cell Activation
Immunoglobulins
AUTOIMMUNITY AND IMMUNOLOGICALLY PRIVILEGED SITES
2:
Immunology and the Eye
HISTORICAL PERSPECTIVES
INNATE IMMUNITY
First Line Immunity
SPECIFIC IMMUNITY—ADAPTIVE IMMUNITY
The B-Cell
The T-cells
THE IMMUNITY OF THE EYE
The Afferent Limb
Central Processing
The Efferent Limb
AUTOIMMUNE RESPONSE IN THE EYE
Role of the S Antigens
Clinical Case
SUMMARY
3:
History and Introduction of HIV
4:
Etiology and Pathophysiology of AIDS
INTRODUCTION
ETIOLOGY
MORPHOLOGY
Major Antigens
Genes
IMMUNOPATHOGENESIS OF HIV DISEASE
NATURAL COURSE OF HIV INFECTION
Role of Apoptosis
Role of Lymphoid Organs—HIV Pathogenesis
Role of Cytokines
Dysregulation of Cytokines
Role of Co-receptors in HIV
Abnormalities of Mononuclear Cells
CD4+ T Cells
CD8+ T Cells
B Cells
Monocytes/Macrophages
Dendritic and Langerhans Cells
Natural Killer Cells
Immune Response to HIV
Humoral Immunity
Cellular Immune Response
5:
Ocular Manifestations of AIDS
INTRODUCTION
Adnexal Manifestations
Herpes Zoster Ophthalmicus
Manifestations
Cornea
Kaposi's Sarcoma (Idiopathic Multiple Pigmented Sarcoma)
Molluscum Contagiosum
Conjunctival Microvasculopathy
Anterior Segment Manifestations
Keratoconjunctivitis Sicca
Infectious Keratitis
Herpes Simplex Virus Keratitis
Fungal Keratitis
Microsporidia Keratoconjunctivitis
Iridocyclitis
POSTERIOR SEGMENT MANIFESTATIONS
HIV Retinopathy
HIV-related Retinochoroiditis
Cytomegalovirus Retinitis
(Mody et al- unpublished data)
Technique of Intravitreal Injection
Acute Retinal Necrosis
Progressive Outer Retinal Necrosis (PORN)
Syphilis
Tuberculosis
Pneumocystis carinii Choroidopathy
Toxoplasma Retinochoroiditis
Histoplasma Chorioretinitis
Cryptococcal Chorioretinitis
NEURO-OPHTHALMOLOGIC MANIFESTATIONS
ORBITAL MANIFESTATIONS
6:
Investigations in AIDS in Ophthalmology
INTRODUCTION
HIV VIROLOGY
OCULAR FINDINGS IN AIDS
CMV Retinitis
Role of PCR
INVASIVE DIAGNOSTIC TECHNIQUES FOR RETINAL DISEASE
Operative Technique
Operative Technique
7:
Antiretroviral Drug Therapy of Ocular Infections in AIDS
INTRODUCTION
HIV-RELATED RETINOPATHY
OPPORTUNISTIC INFECTIONS OF THE EYE
Cytomegalovirus (CMV) Retinitis
Cryptococcal Infection
Toxoplasma Infection
Pneumocystis carinii Choroiditis
NONOPPORTUNISTIC INFECTIONS
Herpes Zoster Ophthalmicus
Herpes Simplex
Viral Disease of Eyelids
Syphilitic Uveitis
Choroidal Tuberculosis
TUMOR INVOLVEMENT
Kaposi's Sarcoma
Lymphoma of Orbit
Squamous Cell Carcinoma of Conjunctiva
NEURO-OPHTHALMOLOGICAL MANIFESTATIONS
CUTANEOUS HYPERSENSITIVITY REACTIONS
HIV IN OCULAR STRUCTURES
OCULAR MANIFESTATIONS OF HIV INFECTIONS IN CHILDREN
ANTIRETROVIRAL THERAPY OF OCULAR INFECTIONS IN AIDS PATIENTS
Nucleoside Reverse Transcriptase Inhibitors (NRTIs)
Non-nucleoside Reverse Transcriptase Inhibitors (NNRTIs)
Protease Inhibitors
Antiviral Metabolites
CYTOMEGALOVIRUS INFECTION
BREAKTHROUGH RETINITIS
Newer Modalities
Cidofovir/Zidofovir (HPMPC)
Protease Inhibitors in CMVR
TOXOPLASMA INFECTION
HERPES ZOSTER OPHTHALMICUS
MYCOBACTERIUM TUBERCULOSIS
MYCOBACTERIUM AVIUM INTRACELLULARE (MAI)
OCULAR SYPHILIS
ACUTE RETINAL NECROSIS
PNEUMOCYSTIS CARINII CHOROIDITIS
RECENT ADVANCES IN ANTIRETROVIRAL DRUG THERAPY
8:
Ocular Syphilis and HIV Disease
INTRODUCTION
EPIDEMIOLOGY
IMMUNOLOGY
CLINICAL MANIFESTATIONS OF SYPHILIS IN HIV
OCULAR SYPHILIS AND HIV
SYPHILITIC UVEITIS
NEURO-OPHTHALMOLOGIC MANIFESTATIONS
NEUROSYPHILIS AND OCULAR SYPHILIS
DIAGNOSIS
Direct Detection Methods
Indirect Detection Methods
Nontreponemal Tests
Treponemal Tests
CSF Tests
CSF VDRL
CSF FTA-Abs
Microbiological and Biochemical Tests
TREATMENT OF OCULAR SYPHILIS IN HIV INFECTION
Therapeutic Alternatives
Role of Corticosteroids
Evaluating the Efficacy of Treatment
Course and Outcome
CONCLUSION
9:
External Ocular and Adnexal Signs that Alert to a Diagnosis of HIV/AIDS
INTRODUCTION
NONINFECTIOUS MANIFESTATIONS
Conjunctival Microvasculopathy
Dry Eye
Allergic Conjunctivitis6
OPPORTUNISTIC OCULAR AND ADNEXAL INFECTIONS
Viral Infections
Molluscum Contagiosum
Herpes Zoster Ophthalmicus
Herpes Simplex Keratitis
BACTERIAL INFECTIONS
Bacterial Keratitis
Neisseria gonorrhoeae11
Chlamydia trachomatis11
Mycobacterium tuberculosis
Preseptal Cellulitis4
PROTOZOAL INFECTIONS
Microsporidia Keratitis
NEOPLASMS23
Kaposi's Sarcoma
Conjunctival Intraepithelial Neoplasia
Squamous Cell Carcinoma
Lymphoma
10:
Immune Recovery Uveitis
INTRODUCTION
Definitions
Incidence
Pathogenesis and Risk Factors
Clinical Picture and Complications
Treatment
CONCLUSION
11:
Ocular Toxoplasmosis
INTRODUCTION
HISTORY AND CLASSIFICATION
CLINICAL CHARACTERISTICS
Systemic Manifestation
Ocular Manifestations
PATHOGENESIS
PATHOLOGY
DIAGNOSIS
DIFFERENTIAL DIAGNOSIS
TREATMENT
PREVENTION
COMPLICATION
PROGNOSIS
CONCLUSION
ACKNOWLEDGMENTS
12:
HIV and Ocular Tuberculosis
INTRODUCTION
PATHOGENESIS
HIGH-RISK POPULATIONS
MANIFESTATION OF OCULAR TUBERCULOSIS
Primary vs Secondary TB of the Eye
External Disease
INTRAOCULAR DISEASE
Uveitis
Retinal Tuberculosis
Ciliary Body Tuberculosis
Tuberculous Retinitis
Eales' Disease and Tuberculin Hypersensitivity
DIAGNOSIS
TREATMENT
Ocular Toxicity of Antituberculosis Medications
Ethambutol
Isoniazid (INH)
PREVENTION OF OCULAR TB
CONCLUSION
13:
Is Age-related Macular Degeneration an Infectious Disease? The Role of Cytomegalovirus Infection and Inflammation
THE PROBLEM OF ARMD
CONVENTIONAL WISDOM REGARDING ARMD PATHOGENESIS
ARMD IS AN INFLAMMATORY DISEASE AND MACROPHAGES ARE MAJOR CONTRIBUTORS
PATIENTS WITH ACTIVATED MACROPHAGES IN THE BLOOD HAVE MORE SEVERE ARMD
WET ARMD IS ASSOCIATED WITH CHRONIC CYTOMEGALOVIRUS (CMV) INFECTION
MICE LATENTLY INFECTED WITH MURINE CMV DEVELOP MORE SEVERE EXPERIMENTAL CNV, AND THIS PHENOMENON IS ASSOCIATED WITH HIGHLY ACTIVATED MACROPHAGES BUT NO EVIDENCE OF CMV RETINITIS OR RETINAL VIRAL INFECTION
IMPLICATIONS
14:
Ocular HIV in the Pediatric Population
INTRODUCTION
EPIDEMIOLOGY OF THE PEDIATRIC HIV EPIDEMIC
OCULAR MANIFESTATIONS OF HIV IN THE PEDIATRIC POPULATION
Anterior Segment Conditions
Herpes Zoster
Molluscum Contagiosum
Conjunctival Xerosis
Reduced Tear Secretion
Strabismus
Posterior Segment Conditions
Cytomegalovirus (CMV) Retinitis
Perivasculitis
Macular Edema
Isolated Retinal Cotton Wool Spots
Toxoplasmic Retinitis
Addressing the Pediatric HIV Epidemic
CONCLUSION
15:
Sterilization and Disinfection of HIV in Ophthalmology
AIDS AND DISINFECTION IN RELATION TO OPHTHALMOLOGY
PHYSICAL METHODS
Dry Heat
Flaming
Incineration
Hot Air Oven
Moist Heat
Temperature below 100°C
Temperature at 100°C
Precautions during Autoclaving
Filtration
Ionising Radiation
CHEMICAL METHODS
Ethylene Oxide (C2H4O)
Formalin
Precautions when using Formalin
SOAKING IN LIQUID CHEMICALS
Glutaraldehyde
Isopropyl Alcohol
Sodium Hypochlorite
Biguanides (Polyhexanide and Chlorhexidine)
Povidone Iodine (Halogens)
Phenols
Acetone
Cetrimide
Betapropiolactone (BPL)
Alcoholic Rub-in Hand Disinfectant
Cutasept
Concentrated Cold Sterilizer
Bacillocid
Bacillol 25
Baktolin 5.5
16:
Vitrectomy in CMV Retinitis
CHOICE OF SURGICAL PROCEDURE
Delimiting Photocoagulation
Pneumatic Retinopexy
Scleral buckling
Pars Plana Vitrectomy with Silicone Oil Injection
Lensectomy/phacoemulsification
Surgical Technique
17:
Recent Management of CMV Retinitis
GANCICLOVIR PHARMACOKINETICS
Intravitreous Ganciclovir
Technique
Vitreoretinal Surgery
18:
Update on Anti-HIV Therapy
METHODOLOGY FOR SEARCHING NEWER DRUGS
DESCRIPTION OF INDIVIDUAL DRUGS
Newer Nucleoside Reverse Transcriptase Inhibitors (NRTIs)
Amdoxovir or DAPD
Emtricitabine
Tenofovir
Newer Non Nucleoside Reverse Transcriptase Inhibitors (NNRTIs)
Emivirine or MKC 442
DPC – 083
Capravarine; AG 1549 or S-1153
New Protease Inhibitors
Atazanavir
Tipranavir; PNU 140690
Mozenavir; DMP 450
Fusion Inhibitors
Pentafuside; T-20
T-1249
PRO 542
FP 21399
TMX 355
Co-receptor Blockers
Integrase Inhibitors
Others Drugs
19:
Strategies for HIV Prevention
INTRODUCTION
HIV PREVENTION
HIV Prevention and Vulnerable Populations
HIV Prevention and Behavior Change
Counseling on Safer Sex and Providing Condoms
Harm Reduction
Promoting Universal Precautions
Providing Post-exposure Prophylaxis
Advising People Living with HIV/AIDS on How to Prevent Other Infections
ART and HIV Prevention
Prevention of Mother-to-child Transmission
Prevention of Mother-to-child Transmission and Breastfeeding
20:
An Experimental Model of AIDS-related Cytomegalovirus Retinitis in Mice with Retrovirus-induced Immunosuppression
INTRODUCTION
AIDS-related Cytomegalovirus Retinitis
Experimental Cytomegalovirus Retinitis during Retrovirus-induced Immunosuppression
The Role of Antibody in Protection against Retinitis
The Role of Cellular Immunity in Protection against Retinitis
Cytokine Immunotherapy
Mechanism of Interleukin-2 Protection
CONCLUSIONS
ACKNOWLEDGEMENTS
21:
Pictorial Ophthalmic Manifestations of HIV
INDEX
TOC
Index
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