Info
- Utilizzare la checkbox di selezione a fianco di ciascun documento per attivare le funzionalità di stampa, invio email, download nei formati disponibili del (i) record.
Cutting-edge vitreoretinal surgery / / Astha Jain, S. Natarajan, SAndeep Saxena, editors
| Cutting-edge vitreoretinal surgery / / Astha Jain, S. Natarajan, SAndeep Saxena, editors |
| Pubbl/distr/stampa | Singapore : , : Springer, , [2021] |
| Descrizione fisica | 1 online resource (xvi, 464 pages) : illustrations |
| Disciplina | 617.746059 |
| Soggetto topico |
Vitreous body - Surgery
Retina - Surgery Vitrectomia |
| Soggetto genere / forma | Llibres electrònics |
| ISBN | 981-334-168-8 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Intro -- Foreword -- Preface -- Contents -- About the Editors -- Part I: Introduction to Vitreoretinal Surgery -- 1: History of Vitreoretinal Surgery -- 1.1 Introduction -- 1.1.1 Pre-Gonin Era -- 1.1.2 Post-Gonin Era -- 1.2 Scleral Buckling -- 1.3 Vitreoretinal Surgery -- 1.4 Learnings from the Past -- 1.5 Conclusion -- References -- Part II: Surgical Anatomy, Imaging and Anaesthesia in Vitreoretinal Surgery -- 2: Surgical Anatomy of Vitreous -- 2.1 Introduction -- 2.2 Embryology -- 2.3 Vitreous Anatomy -- 2.3.1 Vitreous Base and Central Anterior Vitreous -- 2.3.2 Posterior Vitreous Cortex -- 2.3.2.1 Hyalocytes -- Macular Pucker -- 2.4 Molecular Structure -- 2.4.1 Collagen -- 2.4.2 Hyaluronan -- 2.4.3 Other Molecular Components -- 2.5 Vitreo-Retinal Interface -- 2.5.1 Inner Limiting Membrane -- 2.5.2 Intervening Extracellular Matrix -- 2.5.3 Retinal Blood Vessels -- 2.5.4 Vitreomacular Interface -- 2.5.5 Vitreopapillary Interface -- 2.6 Age-Related Changes -- 2.7 Vision Degrading Myodesopsia -- References -- 3: Investigations Aiding in Vitreoretinal Surgery -- 3.1 Introduction -- 3.2 Ophthalmic Ultrasound -- 3.3 Optical Coherence Tomography -- 3.4 Intraoperative Optical Coherence Tomography -- 3.5 Conclusion -- References -- 4: Anaesthesia for Vitreoretinal Surgery -- 4.1 Introduction -- 4.2 Preoperative Evaluation and Preparation -- 4.3 Preoperative Instructions -- 4.3.1 Instructions Related to Systemic Medications -- 4.3.2 Fasting Regimen -- 4.4 Regional Anaesthesia -- 4.4.1 Intraconal (Retrobulbar) Block -- 4.4.2 Extraconal (Peribulbar) Block -- 4.4.3 Medial Peribulbar Block -- 4.4.4 Sub-Tenon's Block -- 4.5 Choice of Local Anaesthetic Agents -- 4.5.1 Adjuvants -- 4.6 General Anaesthesia -- 4.6.1 Premedication -- 4.6.2 Induction -- 4.6.3 Maintenance of Anaesthesia -- 4.6.4 Extubation.
4.7 Special Considerations in General Anaesthesia -- 4.7.1 Intravitreal Gases and Nitrous Oxide -- 4.7.2 VR Surgery Combined with Penetrating Keratoplasty or "Open Sky Situations" -- 4.7.3 VR Surgery Combined with Glaucoma Surgery -- 4.7.4 Combined General Anaesthesia and Regional Anaesthesia for VR Surgery -- 4.8 Postoperative Care -- 4.8.1 Pain Relief -- 4.8.2 Postoperative Nausea and Vomiting -- 4.9 Monitored Anaesthesia Care and Conscious Sedation -- References -- Part III: Techniques and Instrumentation in Vitreoretinal Surgery -- 5: Vitreoretinal Surgery Instruments -- 5.1 Introduction -- 5.2 Basic Physics to Understand Vitrectomy Fluidics, Pumps and Vitreous Cutters -- 5.3 Vitrectomy Pumps -- 5.4 Vitrectomy Outflow -- 5.5 Vitreous Cutters -- 5.6 Fluid Dynamics -- 5.7 Most Common Vitrectomy Systems -- 5.7.1 Constellation Vision System (Alcon) -- 5.7.2 EVA Vitrectomy System (DORC) -- 5.7.3 Stellaris Elite Vision Enhancement System (B& -- L) -- 5.8 Conclusion -- References -- 6: Wide-Angle Viewing System and Endoillumimnation -- 6.1 Wide-Angle Viewing Systems -- 6.1.1 Contact WAVs -- 6.1.2 Non-Contact WAVs -- 6.2 Endoillumination -- 6.2.1 Phototoxicity -- 6.2.2 Chandelier Endoillumination -- 6.3 Conclusion -- References -- 7: Sutureless Small-Gauge Vitrectomy -- 7.1 Introduction -- 7.2 Advantages of Small-Gauge Sutureless Pars Plana Vitrectomy -- 7.2.1 Less Traumatic Wound Construction and Closure -- 7.2.2 Less Perioperative and Postoperative Patient Discomfort -- 7.2.3 Comparable Risk of Endophthalmitis to Large-Gauge Vitrectomy -- 7.3 Concerns Regarding Small-Gauge Sutureless Vitrectomy -- 7.3.1 Infusion and Aspiration Flow Rate Limitations on Effective Vitreous Removal -- 7.3.1.1 Improved Vitrectome Flow -- 7.3.1.2 Improved Infusion Flow -- 7.3.1.3 Overall Effect on Operating Time. 7.3.2 Flexible Instruments Limiting Small-Gauge PPV in Complex Cases -- 7.4 Intraoperative Challenges with Small-Gauge Sutureless Vitrectomy and Suggested Technique Modifications -- 7.4.1 Preventing Hypotony -- 7.4.2 Inefficient Vitreous Removal -- 7.4.3 Inability to Induce Posterior Vitreous Detachment -- 7.4.4 Inability for Transconjunctival Wound to Close -- 7.4.5 Difficulty with Instrument Manipulation -- 7.4.6 Silicone Oil Insertion or Removal -- 7.5 Conclusions -- References -- 8: Endoscopic Vitrectomy -- 8.1 Introduction -- 8.2 History -- 8.3 Advantages -- 8.4 Instrumentation -- 8.5 Indications -- 8.6 Clinical Applications -- 8.6.1 Diagnostic Endoscopy and Prognostication Before Anterior Segment Interventions -- 8.6.2 Retinal Reattachment in Hazy Media -- 8.6.3 Ocular Trauma -- 8.6.4 Retained Intraocular Foreign Bodies -- 8.6.5 Endophthalmitis -- 8.7 Surgical Nuances -- 8.8 Conclusion -- References -- 9: 3D Viewing System in Vitreoretinal Surgery -- 9.1 Introduction -- 9.2 Heads-Up Surgery with the TrueVision® 3D Viewing System -- 9.3 Heads-Up Vitreoretinal Surgery -- 9.4 3D Visualization System Settings in Our Department -- 9.5 Difference of 3D Viewing with Conventional Analog Microscope Viewing -- 9.5.1 Surgical Field -- 9.5.2 Colors -- 9.5.3 Resolution -- 9.5.4 Magnification -- 9.5.5 Depth of Field -- 9.5.6 Illumination -- 9.6 Learning Curve -- 9.7 Ergonomics -- 9.8 Additional Intraoperative Information -- 9.9 Problems with 3D Displays -- 9.10 Head-Mounted Displays -- 9.11 Technical Problems -- 9.12 Teaching -- 9.13 The Future of 3D Viewing Systems -- References -- 10: Robotics in Vitreoretinal Surgeries -- 10.1 Introduction -- 10.2 Intraocular Surgical Robotics -- 10.2.1 Early Intraocular Surgical Robotics -- 10.2.2 Recent Intraocular Surgical Robotics. 10.2.2.1 Johns Hopkins University Steady-Hand Manipulator -- 10.2.2.2 University of Utah -- 10.2.2.3 The MICRON -- 10.2.2.4 Vanderbilt University Intraocular Probe -- 10.2.2.5 University of Leuven, Belgium -- 10.2.2.6 Munich -- 10.2.2.7 Preceyes Surgical System -- 10.2.2.8 Intraocular Robotic Interventional and Surgical System -- 10.3 Future of Vitreoretinal Surgical Robotics -- 10.4 Conclusion -- References -- 11: Tamponading Agents in Vitreoretinal Surgery -- 11.1 Introduction -- 11.2 Physical Properties of Tamponading Agents -- 11.3 Types of Tamponading Agents -- 11.4 Gaseous Tamponading Agents -- 11.4.1 Kinetics of Intraocular Gases -- 11.4.2 Preparation of Gas for Injection -- 11.4.3 Contraindication -- 11.4.4 Complications -- 11.5 Silicone Oil -- 11.5.1 Chemical Property -- 11.5.2 Physical Property -- 11.5.3 Indications for Using Silicone Oil -- 11.5.4 Complications with Silicone Oil -- 11.5.5 Silicone Oil Removal -- 11.6 Heavy Silicone Oil -- 11.6.1 Complications and Adverse Reactions -- 11.7 Perfluorocarbon Liquids -- 11.7.1 Chemical and Physical Properties -- 11.7.2 Indications for Use of PFCL -- 11.7.3 Complications -- 11.8 Conclusion -- References -- Part IV: Retinal Detachment: Surgical Techniques -- 12: Scleral Buckling and Management of Retinal Dialysis -- 12.1 Introduction -- 12.2 History -- 12.3 Preoperative Localization of Break -- 12.4 Relevant Surgical Anatomy -- 12.5 Instrumentation -- 12.5.1 Cryotherapy -- 12.5.2 Silicon Buckles -- 12.5.3 Sutures -- 12.6 Principle of Buckling -- 12.7 Indications -- 12.8 Surgical Steps Along with Intraoperative Complication -- 12.8.1 Anesthesia -- 12.8.2 Conjunctival Peritomy -- 12.8.3 Muscle Bridling -- 12.8.4 Inspection -- 12.8.5 Localizing the Breaks -- 12.8.6 Treating the Retinal Breaks -- 12.8.7 Placing the Exoplants -- 12.8.8 Suture Placement. 12.8.9 SRF Drainage -- 12.8.10 Adjusting the Height of Scleral Buckle -- 12.8.11 Final Examination -- 12.8.12 Tenon and Conjunctiva Closure -- 12.8.13 Documentation -- 12.8.14 Overview of Surgical Steps -- 12.9 Important Postoperative Complications -- 12.10 Newer Development: Chandelier-Assisted Scleral Buckling -- 12.11 Conclusion -- References -- 13: Pneumatic Retinopexy -- 13.1 Introduction -- 13.2 Patient Selection -- 13.3 Technique -- 13.3.1 Anaesthesia -- 13.3.2 Retinopexy -- 13.3.3 Paracentesis -- 13.3.4 Injection of Gas -- 13.3.5 Indirect Ophthalmoscopy -- 13.3.6 Postop Positioning -- 13.3.7 Choice of Intraocular Gas -- 13.4 Complications -- 13.5 Outcome -- 13.6 Conclusion -- References -- 14: Primary Vitrectomy in Rhegmatogenous Retinal Detachment -- 14.1 Introduction -- 14.2 Indications of Primary Vitrectomy in RRD -- 14.3 Steps of Surgery -- 14.3.1 Conjunctival Peritomy -- 14.3.2 Encerclage -- 14.3.3 Sclerotomy -- 14.3.4 Core Vitrectomy -- 14.3.5 Induction of Posterior Vitreous Detachment -- 14.3.5.1 Other Techniques of PVD Induction -- 14.3.6 Peripheral Vitrectomy -- 14.3.7 Internal Limiting Membrane Removal -- 14.3.8 Identification of Breaks -- 14.3.9 Fluid Air Exchange -- 14.3.9.1 Difficulties during FAE -- 14.3.10 Retinopexy -- 14.3.11 Tamponade -- 14.3.12 Closure of Sclerotomy -- 14.4 Results of Primary Vitrectomy for RRD -- References -- 15: Principles in the Management of Proliferative Vitreoretinopathy -- 15.1 Introduction -- 15.2 Risk Factors and Pathogenesis -- 15.3 Pathogenesis of PVR -- 15.4 Surgery in PVR -- 15.4.1 Scleral Buckling in PVR -- 15.4.2 Combined SB+ PPV Versus PPV Alone for PVR -- 15.4.3 Vitrectomy in PVR -- 15.5 Surgical Sequence and Techniques for Established PVR -- 15.5.1 Anesthesia -- 15.5.2 Placement of Transconjunctival Cannulas -- 15.5.3 Management of Lens in PVR. 15.5.4 Core Vitrectomy and Removal of Vitreous Base. |
| Record Nr. | UNINA-9910484385303321 |
| Singapore : , : Springer, , [2021] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Diabetic macular edema / / Sandeep Saxena and Timothy Y. Y. Lai, editors
| Diabetic macular edema / / Sandeep Saxena and Timothy Y. Y. Lai, editors |
| Pubbl/distr/stampa | Singapore : , : Springer, , [2022] |
| Descrizione fisica | 1 online resource (227 pages) |
| Disciplina | 616.462 |
| Soggetto topico |
Diabetes - Complications
Edema Retina - Blood-vessels - Diseases |
| ISBN | 981-19-7307-5 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Intro -- Foreword -- Preface -- Contents -- About the Editors -- 1: Diabetic Macular Edema: An Introduction -- 1.1 Diabetic Macular Edema: Introduction -- References -- 2: Pathophysiology of Diabetic Macular Edema -- 2.1 Introduction -- 2.2 Pathophysiology of Diabetic Macular Edema -- 2.2.1 Alteration of Blood-Retinal Barrier -- 2.2.2 Outer Blood-Retinal Barrier -- 2.2.3 Inner Blood-Retinal Barrier -- 2.3 Mechanisms of Disease -- 2.3.1 Oxidative Stress -- 2.3.2 Mitochondrial Alterations -- 2.3.3 Vascular Dysfunction -- 2.4 Inflammation -- 2.4.1 Molecules Involved and Therapeutic Potential -- 2.4.2 Growth Factors -- 2.4.3 Cytokines and Chemokines -- 2.5 Pharmacotherapies in Diabetic Macular Edema -- 2.6 Strategies for the Future: Current Clinical Trials in DME -- 2.7 Conclusion -- References -- 3: Optical Coherence Tomography Biomarkers in Diabetic Macular Edema -- 3.1 Introduction -- 3.2 OCT Biomarkers in Diabetic Macular Edema -- 3.3 Retinal Biomarkers -- 3.3.1 Retinal Thickness -- 3.3.2 Disorganization of Retinal Inner Layers -- 3.3.3 Hyperreflective Retinal Foci and Hard Exudates -- 3.3.4 Intraretinal Cystoid Spaces -- 3.3.5 Pearl Necklace Sign -- 3.3.6 Bridging Retinal Processes -- 3.3.7 Subfoveal Neurosensory Detachment -- 3.3.8 Vitreomacular Interface -- 3.3.9 Integrity of External Limiting Membrane and Ellipsoid Zone -- 3.3.10 Photoreceptor Outer Segment -- 3.3.11 Outer Retinal Layer Thickness [41] -- 3.3.12 Retinal Pigment Epithelium Thickness -- 3.3.13 Foveal Eversion -- 3.3.14 Parallelism -- 3.4 Choroidal Biomarkers -- 3.4.1 Subfoveal Choroidal Thickness -- 3.4.2 Choroidal Vascularity Index -- 3.4.3 Hyperreflective Choroidal Foci -- 3.5 OCT Angiography Biomarkers in Diabetic Macular Edema -- 3.5.1 Foveal Avascular Zone -- 3.5.1.1 Vessel Density in Superficial Capillary Plexus [53].
3.5.1.2 Loss of Deep Capillary Plexus -- 3.5.1.3 Middle Capillary Plexus -- 3.6 Summary -- References -- 4: Optical Coherence Tomography Angiography in Diabetic Macular Edema -- 4.1 Introduction -- 4.2 Diabetic Macular Edema Biomarkers in OCT -- 4.2.1 Bridging Retinal Processes -- 4.2.2 Choroidal Vascular Index -- 4.2.3 Disorganization of Retinal Inner Layers -- 4.2.4 Hyperreflective Retinal Foci and Hard Exudates -- 4.2.5 Hyperreflective Choroidal Foci -- 4.2.6 Intraretinal Cystoid Spaces -- 4.2.7 Integrity of External Limiting Membrane and Ellipsoid Zone -- 4.2.8 Retinal Thickness -- 4.2.9 Photoreceptor Outer Segment -- 4.2.10 Subfoveal Choroidal Thickness -- 4.2.11 Subfoveal Neurosensory Detachment -- 4.2.12 Taut Posterior Hyaloid Membrane -- 4.3 DME Biomarkers in OCT Angiography -- 4.3.1 Foveal Avascular Zone -- 4.3.2 Intercapillary Spacing -- 4.3.3 Microaneurysms, Intraretinal Microvascular Abnormalities, Neovascularization, Nonperfusion Areas -- 4.3.4 Retinal Vascular Density -- 4.3.5 Suspended Scattering Particles in Motion -- References -- 5: Targeted Screening of Macular Edema by Spectral Domain Optical Coherence Tomography for Progression of Diabetic Retinopathy: Translational Aspects -- 5.1 Introduction -- 5.2 Spectral Domain Optical Coherence Tomography-Based Evaluation of Diabetic Macular Edema -- 5.3 Vascular Endothelial Growth Factor and Diabetic Macular Edema -- References -- 6: Anti-Vascular Endothelial Growth Factor Agents for Diabetic Macular Edema -- 6.1 Treatment of Diabetic Macular Edema Before Anti-VEGF -- 6.2 History of VEGF Blockade Development [2] -- 6.3 Anti-VEGF Agents for DME: The Present Day -- 6.3.1 Avastin (Bevacizumab) -- 6.3.2 Lucentis (Ranibizumab) -- 6.3.3 Eylea (Aflibercept) -- 6.4 Adverse Effects of Anti-VEGF Agents -- 6.5 Treatment Regimens -- 6.5.1 When to Treat?. 6.5.2 PRN Regimen -- 6.5.3 Treat and Extend Regimen -- 6.6 Cost-Effectiveness -- 6.7 Anti-VEGF Agents: Head-to-Head -- 6.8 Future of Anti-VEGF -- 6.8.1 Conbercept -- 6.8.2 Beovu (Brolucizumab) -- 6.8.3 Faricimab -- 6.9 Novel Therapies in Production [21] -- 6.9.1 Abicipar Pegol -- 6.9.2 Port Delivery System -- 6.9.3 Thermosensitive Hydrogels -- 6.9.4 Microparticles -- 6.9.5 Gene Therapy -- 6.10 Conclusion -- References -- 7: Agents Targeting Angiopoietin/Tie Pathway in Diabetic Macular Edema -- 7.1 Roles of Angiopoietin/Tie Pathway in Retinal Diseases and Diabetic Macular Edema -- 7.2 Razuprotafib (AKB-9778) -- 7.2.1 Razuprotafib Mechanism of Action -- 7.2.2 Phase 1 DME Study -- 7.2.3 Phase 2 TIME-2 Study -- 7.3 Nesvacumab + Aflibercept Coformulation (REGN910-3) -- 7.3.1 Nesvacumab Mechanism of Action -- 7.3.2 Phase 1 Trial -- 7.3.3 Phase 2 RUBY Study -- 7.4 Faricimab (RG7716) -- 7.4.1 Faricimab Mechanism of Action -- 7.4.2 Phase 2 BOULEVARD Study -- 7.4.3 Phase 3 RHINE and YOSEMITE Studies -- 7.4.4 RHONE-X Study -- 7.5 Other Potential Agents Targeting Angiopoietin/Tie Pathway for DME -- 7.5.1 AXT107 -- 7.5.2 BI 836880 -- 7.6 Summary -- References -- 8: DRCR.net Trials for Diabetic Macular Edema -- 8.1 Introduction -- 8.2 Protocol A: A Pilot Study of Laser Photocoagulation for Diabetic Macular Edema -- 8.3 Protocol B: A Randomized Trial Comparing Intravitreal Triamcinolone Acetonide and Laser Photocoagulation for Diabetic Macular Edema -- 8.4 Protocol H: A Phase 2 Evaluation of Anti-VEGF Therapy for Diabetic Macular Edema: Bevacizumab (Avastin) -- 8.5 Protocol I: Intravitreal Ranibizumab or Triamcinolone Acetonide in Combination with Laser Photocoagulation for Diabetic Macular Edema. 8.6 Protocol T: A Comparative Effectiveness Study of Intravitreal Aflibercept, Bevacizumab, and Ranibizumab for Diabetic Macular Edema -- 8.7 Protocol TX: A Comparative Effectiveness Study of Intravitreal Aflibercept, Bevacizumab, and Ranibizumab for Diabetic Macular Edema: Follow-Up Extension Study -- 8.8 Protocol U: Short-Term Evaluation of Combination Corticosteroid + Anti-VEGF Treatment for Persistent Central-Involved Diabetic Macular Edema Following Anti-VEGF Therapy -- References -- 9: Effect of Anti-VEGF Therapy on Inner and Outer Retinal Layers on Spectral-Domain Optical Coherence Tomography in Diabetic Macular Edema -- 9.1 Introduction -- 9.2 Pathogenesis of Diabetic Macular Oedema: Role of Vascular Endothelial Growth Factor -- 9.3 Pathomorphology of Different Layers of Retina in Diabetic Macular Edema -- 9.4 SD-OCT-Based Changes in Inner Retinal Layers in Diabetic Macular Edema -- 9.5 SD-OCT-Based Changes in Outer Retinal Layers in Diabetic Macular Edema -- 9.6 Role of Anti-VEGF Therapy in DME -- 9.7 Changes in Inner and Outer Layers of Retina Post Anti-VEGF Therapy Based on SD-OCT -- 9.8 Conclusion -- References -- 10: Diabetic Macular Ischemia and Anti-VEGF Therapy -- 10.1 Introduction -- 10.2 DMI -- 10.2.1 Pathogenesis -- 10.2.2 Diagnosis: FA -- 10.2.3 Diagnosis: OCTA -- 10.2.4 Visual Prognosis -- 10.3 DMI and Anti-VEGF -- 10.3.1 Influence of DMI on Anti-VEGF Therapy in Eyes with DME -- 10.3.2 Influence of Anti-VEGF on DMI -- References -- 11: Dexamethasone Implant in Diabetic Macular Edema -- 11.1 Introduction -- 11.2 Role of Inflammation in DME -- 11.3 Cataract Surgery and DME -- 11.4 Steroids as Therapeutic Option in DME -- 11.5 Dexamethasone Implant: Introduction -- 11.6 Role of Dexamethasone Implant in Current Clinical Practice: An Evidence-Based Approach. 11.7 Dexamethasone Implant and Imaging Biomarkers of DME -- 11.7.1 Subretinal Fluid (SRF)/Subfoveal Serous Retinal Detachment (SSRD) -- 11.7.2 Hyperreflective Foci (HRF) -- 11.7.3 Hard Exudates -- 11.7.4 Disorganization of Retinal Inner Layers (DRIL) -- 11.8 Contraindications of DEX Implant -- 11.9 Summary -- References -- 12: Laser Photocoagulation for Diabetic Macular Edema -- 12.1 Introduction -- 12.2 Pathophysiology of DME -- 12.3 Clinical Diagnosis of DME -- 12.4 Definitions of DME -- 12.5 Laser Therapy for Diabetic Retinopathy -- 12.5.1 Types of Laser -- 12.5.2 Properties of Laser [19] -- 12.5.3 Laser Absorption Characteristics of Tissues -- 12.5.4 Laser Treatment of Macular Edema -- 12.5.5 Mechanism of Action -- 12.5.6 Complications -- 12.5.7 Newer Forms of Laser Therapy -- 12.5.7.1 Selective Laser Therapy -- 12.5.7.2 Subthreshold Diode Micropulse Laser -- 12.5.7.3 Pattern Laser for DME -- 12.5.7.4 Image Guided Laser Therapy: Navigated Laser -- 12.5.8 Perspective of Intravitreal Pharmacotherapy -- 12.5.9 Current Indications for Laser Therapy in DME -- References -- 13: Surgical Management for Diabetic Macular Edema -- 13.1 The Role of the Vitreous in the Genesis of Diabetic Macular Edema -- 13.1.1 The Role of Epiretinal Membrane in Diabetic Macular Edema -- 13.2 History of Vitrectomy for the Treatment of Diabetic Macular Edema -- 13.2.1 Limits of Early Studies -- 13.3 Present Knowledge and Adequate Surgical Indications -- 13.3.1 Vitreomacular Interface Alterations -- 13.3.2 Diffuse DME Without a Clinically Evident Tractional Component -- 13.3.3 Unresponsive Cases -- 13.3.4 Special Situations -- 13.4 Surgical Technique -- 13.4.1 The Role of ILM Peeling -- 13.4.1.1 Present Knowledge on ILM Peeling -- 13.4.2 Combined Treatments -- 13.4.3 Postoperative Complications -- 13.5 Postoperative Outcomes. 13.5.1 Factors Affecting Postoperative Prognosis. |
| Record Nr. | UNINA-9910637704803321 |
| Singapore : , : Springer, , [2022] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Internet of things : security and privacy in cyberspace / / edited by Sandeep Saxena and Ashok Kumar Pradhan
| Internet of things : security and privacy in cyberspace / / edited by Sandeep Saxena and Ashok Kumar Pradhan |
| Pubbl/distr/stampa | Gateway East, Singapore : , : Springer, , [2022] |
| Descrizione fisica | 1 online resource (299 pages) |
| Disciplina | 004.678 |
| Collana | Transactions on Computer Systems and Networks |
| Soggetto topico | Internet of things |
| ISBN | 981-19-1585-7 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Intro -- Contents -- Editors and Contributors -- 1 Pre-requisite Concepts for Security and Privacy -- 1.1 Principles of Cryptography -- 1.1.1 Confidentiality -- 1.1.2 Integrity -- 1.1.3 Availability -- 1.1.4 Non-repudiation -- 1.2 Access Control -- 1.2.1 Identification -- 1.2.2 Authentication -- 1.2.3 Authorization -- 1.2.4 Accountability -- 1.3 Cryptography -- 1.3.1 Symmetric Encryption -- 1.3.2 Asymmetric Encryption/Private Key Cryptography -- References -- 2 Basic Concepts of Cloud and Fog Computing -- 2.1 Cloud Computing and Its Applications -- 2.1.1 Evolution of Cloud Computing -- 2.1.2 Definition of Cloud Computing -- 2.1.3 Essential Characteristics of Cloud Computing -- 2.1.4 Cloud Computing: Layered Architecture -- 2.1.5 Cloud Computing Deployment Model -- 2.1.6 Limitations of Cloud Only Computing: -- 2.2 Fog Computing and Its Applications -- 2.2.1 Definition of the Fog Computing -- 2.2.2 Six-Layered Architecture of Fog Computing -- 2.2.3 Characteristics of the Fog Computing -- 2.2.4 Locations of the Fog Node -- 2.2.5 Application of Fog Computing and Its Role in the Internet of Things -- References -- 3 Access Control and Authentication in IoT -- 3.1 Introduction -- 3.2 Identity Management in IoT -- 3.2.1 Inter-domain Identity Management Architectures -- 3.2.2 Techniques to Build a Coordinating System -- 3.2.3 Single Sign-On Identity Federation -- 3.3 Authentication Mechanisms in IoT -- 3.4 Access Control Models with Examples -- 3.4.1 Open Challenges -- References -- 4 Lightweight Cryptographic Techniques and Protocols for IoT -- 4.1 Introduction -- 4.2 International Bodies for IoT Protocol Development -- 4.2.1 IoT Data Link Protocols -- 4.2.2 Network Layer Routing Protocols -- 4.2.3 Session Layer Protocols -- 4.2.4 IoT Management Protocols -- 4.2.5 Security of IoT Protocols -- 4.2.6 IETF on IoT Security -- 4.3 Various Protocols for IoT.
4.3.1 ZigBee -- 4.3.2 Thread -- 4.3.3 Bluetooth Low Energy (BLE) -- 4.3.4 WirelessHART -- 4.3.5 IP-Smart -- 4.4 Protocols and Its Features -- 4.4.1 Cryptographic Techniques and Features -- 4.5 Lightweight Cryptographic Techniques -- 4.6 Conclusion -- References -- 5 Communication Security in IoT -- 5.1 Different Communication Layer Protocols and Mediums for IoT -- 5.1.1 ZigBee -- 5.1.2 BLE -- 5.1.3 Near-Field Communication -- 5.1.4 6LoWPAN -- 5.1.5 Wi-Fi -- 5.1.6 Sigfox -- 5.2 Communication-Level Attacks -- 5.2.1 Sinkhole Attack -- 5.2.2 Wormhole Attack -- 5.2.3 Black Hole Attack -- 5.2.4 Flood Attack -- 5.2.5 Rank Attack -- 5.2.6 Cryptanalytic Attack -- 5.3 Defense Mechanism -- 5.3.1 Content Chaining Scheme -- 5.3.2 Authentication Defense Mechanism -- 5.3.3 Intrusion Detection System (IDS) -- 5.3.4 End to the End Encryption Method -- 5.4 Network Optimization Techniques -- 5.4.1 Particle Swarm Optimization (PSO) -- 5.4.2 Genetic Algorithm (GA) -- 5.4.3 Heuristic Algorithm -- 5.5 Challenges in Network Optimization -- 5.6 Conclusion and Future Direction -- References -- 6 Intrusion Detection System with Layered Approach to Internet of Things-A Business Paradigm -- 6.1 Introduction -- 6.2 What the IoT Is Made Up Of -- 6.3 Intrusion Detection System -- 6.4 What Is Industrial Revolution 4.0, 3.0, 2.0, and 1.0? -- 6.5 Layered Architecture of IoT -- 6.6 Layer 1: Things Layer or Physical Layer -- 6.7 Layer 2: Communications Network Layer -- 6.8 Layer 3: Applications Layer -- 6.9 Current Security Threats and Challenges in IoT -- 6.10 Conclusions -- References -- 7 Malware Detection in IoT -- 7.1 Malware in IoT Software -- 7.1.1 Botnet -- 7.1.2 Ransomware -- 7.1.3 Rootkit -- 7.1.4 Keylogger -- 7.1.5 Trojan Horse -- 7.1.6 Worm -- 7.2 Malware in IoT Hardware -- 7.2.1 Side-Channel Attacks -- 7.3 IoT Malware Analysis Techniques -- 7.3.1 Static Analysis. 7.3.2 Dynamic Analysis -- 7.3.3 Hybrid Analysis -- 7.4 IoT Malware Detection Techniques -- 7.4.1 Signature Based -- 7.4.2 Heuristic Based -- 7.4.3 Specification Based -- 7.4.4 Static and Dynamic Detection -- 7.5 Use Case Example -- 7.5.1 Mirai Malware -- 7.5.2 Reaper -- 7.5.3 Echobot -- 7.5.4 Other Potential Attacks -- 7.5.5 Pegasus (2021) -- 7.6 Research Opportunities in Malware -- 7.6.1 Advanced Machine Learning (AML) -- 7.6.2 Mobile Device Malwares -- 7.6.3 Graph-Based Malware Analysis -- 7.6.4 Defense in Depth Malware -- 7.6.5 Bio-Inspired Malware -- 7.6.6 Malware Education -- 7.6.7 Big Data Malware Analysis -- 7.6.8 Deception Antimalware Techniques -- 7.6.9 Botnet Countermeasures -- 7.6.10 Malware Advertisements Learning -- References -- 8 IoT Network Used in Fog and Cloud Computing -- 8.1 Introduction -- 8.1.1 Internet of Things (IoT) -- 8.1.2 IoT Networks and Architectures -- 8.1.3 Cloud Computing and Its Integration with IoT -- 8.1.4 Fog Computing and Its Integration with IoT -- 8.1.5 Comparison Between Fog Computing and Cloud Computing Paradigms -- 8.2 Implementation of Fog Computing and Cloud Computing Using IoT -- 8.2.1 IoT Networks Used in Cloud Computing -- 8.2.2 IoT Networks Used in Fog Computing -- 8.3 Security Issues, Threats, and Concerns -- 8.4 IoT Network Protocols -- 8.5 Case Studies -- 8.6 Conclusion -- References -- 9 Internet of Vehicles: Features, Architecture, Privacy, and Security Issues -- 9.1 Introduction -- 9.2 Applications of Internet of Vehicles -- 9.3 Interaction Model in IoV -- 9.4 Literature Review -- 9.5 Challenges in IoV -- 9.6 Architecture of IοV -- 9.7 Security Aspect of IoV -- 9.8 Requirements of Security in IoV -- 9.9 Security Challenges in IoV -- 9.10 Future Direction of IoV -- 9.11 Conclusion -- References -- 10 Cybersecurity and Ethics for IoT System: A Massive Analysis -- 10.1 Introductıon. 10.2 Frequently used to Attack Official or Employment Agencies -- 10.3 Taking Advantage of Known Flaws -- 10.3.1 Equipment -- 10.3.2 Errors in Software -- 10.3.3 Security Vulnerability in Internet Services and Protocols -- 10.4 Threats Are Already on the Rise -- 10.4.1 Use of Social Media -- 10.4.2 Data Storage System -- 10.4.3 Thoughtful Cell Phones -- 10.4.4 High-Value and Mission-Critical System -- 10.4.5 Energy Efficiency, Transportation Sustainability, Climate Change, and Affordable Housing -- References -- 11 Blockchain for Enhancing Security of IoT Devices -- 11.1 Introduction -- 11.1.1 IoT Challenges -- 11.1.2 Mapping of IoT Vulnerabilities from High-Level to Low-Level, Indications and Solutions -- 11.2 Blockchain Overview -- 11.2.1 Types of Blockchain -- 11.2.2 Public and Private Key -- 11.2.3 Digital Signature -- 11.2.4 Smart Contract -- 11.2.5 Consensus Algorithm -- 11.2.6 Cryptography and Hashing -- 11.2.7 Identity Management -- 11.3 Introduction to IoT and Blockchain -- 11.3.1 Real-Life Applications of IoT Devices -- 11.3.2 Real-Life Applications of Integration of IoT and Blockchain -- 11.3.3 IoT Device Identity Management Through Blockchain -- 11.4 Integration of IoT and Blockchain -- 11.4.1 Device Identity Approach -- 11.4.2 Device Gateway Communication Through Blockchain -- 11.4.3 Peer-To-Peer IoT Blockchain-Based Integration Model -- 11.4.4 Hybrid Approach -- 11.4.5 Advantages of Integration of IoT and Blockchain -- 11.5 Challenges of Integration of IoT and Blockchain -- 11.6 IoT-Based Blockchain Applications -- 11.6.1 Healthcare Industry -- 11.6.2 Supply Chain Management -- 11.6.3 Smart Energy Grids -- 11.7 Smart Home Security -- 11.7.1 Typical Smart Home Security Tips -- 11.7.2 Smart Home Security Solution with Blockchain -- 11.8 Blockchain for Healthcare Industry -- 11.9 Results -- 11.10 Discussion -- 11.11 Conclusion. References -- 12 Challenges and Trends on Post-Quantum Cryptography -- 12.1 Introduction -- 12.2 Challenges Due to Shor's Algorithm -- 12.2.1 Shor's Algorithm -- 12.2.2 Experimental Implementation -- 12.3 Post-Quantum Algorithm -- 12.3.1 BB84 Protocol -- 12.3.2 BB84 Protocol Description -- 12.3.3 BB84 Protocols Workout Example -- 12.3.4 BB84 Protocol Implementation Using IBMQ -- 12.4 Teleportation -- 12.4.1 Teleportation Implementation Using IBMQ -- 12.5 Quantum Cheque Algorithm -- 12.5.1 Generation Algorithm -- 12.5.2 Sign Algorithm -- 12.6 Conclusion -- References. |
| Record Nr. | UNINA-9910574065403321 |
| Gateway East, Singapore : , : Springer, , [2022] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Spectral Domain Optical Coherence Tomography in Macular Diseases [[electronic resource] /] / edited by Carsten H. Meyer, Sandeep Saxena, SriniVas R Sadda
| Spectral Domain Optical Coherence Tomography in Macular Diseases [[electronic resource] /] / edited by Carsten H. Meyer, Sandeep Saxena, SriniVas R Sadda |
| Edizione | [1st ed. 2017.] |
| Pubbl/distr/stampa | New Delhi : , : Springer India : , : Imprint : Springer, , 2017 |
| Descrizione fisica | 1 online resource (XVII, 443 p. 345 illus., 237 illus. in color.) |
| Disciplina | 617.7 |
| Soggetto topico |
Ophthalmology
Public health Surgery Public Health |
| ISBN | 81-322-3610-6 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Optical coherence tomography: Basic principles of image analysis -- Normal Macula: Focus on IS-OS junction, external limiting membrane and choroidal thickness -- Diabetic Macular Edema -- Retinal Vein Occlusion -- Retinal Artery Occlusion -- Dry Age-related Macular Degeneration -- Wet Age-related Macular Degeneration -- Polypoidal Disease -- Optical Coherence Tomography in Age-related Macular Degeneration Pharmacotherapy -- Juxtafoveal Telangiectasia -- Central Serous Chorioretinopathy -- Idiopathic Epiretinal membranes -- Vitreomacular Traction Syndrome -- Idiopathic Macular Hole -- Surgery for Choroidal Neovascular Membrane and Macular Translocation -- Macula after Retinal Detachment Surgery -- Myopic Foveoschisis -- Retinal Degenerations and Dystrophies -- Retinal and Choroidal Inflammation -- Optic Disc Pit Maculopathy -- Retinopathy of Prematurity -- Posterior Segment Trauma -- Ocular Oncology -- Miscellaneous Retinal Disorders -- Three Dimensional Imaging in Spectral Domain Optical Coherence Tomography -- Intraoperative OCT -- Ultra High Resolution OCT . |
| Record Nr. | UNINA-9910153451503321 |
| New Delhi : , : Springer India : , : Imprint : Springer, , 2017 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||