Telemedicine in Respiratory Care -- Home Long-Term Oxygen Treatment (H-LTOT): Why, Where, and How -- From National to Regional Criteria for H-LTOT -- Systems for Oxygen Delivery -- The Interfaces -- Telemedicine and LTOT in Italy: a 20-Year Experience -- New Telemonitoring Technologies in Italy -- The Changing Role of Nursing in Telemetric LTOT at Home -- Home LTOT: Patient—Caregiver Compliance and Adhesion -- Complications in LTOT patients -- LTOT Outcomes: Patient’s and Doctor’s Perspectives -- Telemedicine for Home-Ventilated Patients -- Economic Evaluation of Treating Patients with Long-Term Oxygen Therapy with or without Telemetric Monitoring -- Continuing Quality Improvement in the Management of H-LTOT.