OXYGEN THERAPY NEW APPROACH TO WELLNESS ACROSS SPECIALITIES

The targeted audience of this textbook “Oxygen Therapy: New Approach to Wellness Across Specialties” is planned to be diverse, ranging from general practitioners to specialists of Respiratory Medicine, Internal medicine, Critical Care, and several other Broad and Super Medical and Surgical Specialties, as well as postgraduate trainees, my attempt as the Editor was to make a sincere attempt to cater to the needs, aspirations, and expectations of all groups of readers. Not only are the historical perspectives of the discovery of oxygen and the evolution of oxygen therapy in medicine from the past to the present discussed, but also the physiological basis of gas exchange, respiratory failure, the scientific basis, indications, modalities and devices for administration and monitoring of oxygen therapy for different medical conditions, acute and chronic, and its administration, either alone or along with assisted ventilation and pulmonary interventions, for both the adult and the pediatric patient population have been covered, as well as sources, supply, storage, transport, toxicity, conservatory strategies of oxygen, oxygen audits, practice points useful to manage oxygen crisis during pandemics as well as valuable lessons for the future. It must not be forgotten that oxygen, like any other medication, is considered as a drug and, as such, has to be administered accordingly just like any other drug, keeping in mind its benefits versus risk and fine-tuning the dose, delivery, and duration of oxygen therapy to every patient. To commemorate the contributions of all whose efforts led to oxygen therapy and assisted ventilation achieving their current status in modern medicine, I have compiled a photo gallery in the chapter on historical and current and future perspectives “The Past, Present, and Future of Oxygen Therapy”. “Oxygen Therapy: New Approach to Wellness across Specialities” is meant for a vast and diverse reader pool, ranging from general practitioners to specialists of Respiratory Medicine, Internal medicine, Critical Care and several other Broad and Super Medical and Surgical Specialties, as well as postgraduate trainees, and healthcare workers. The book begins with the evolution of oxygen on earth, the isolation of oxygen in pure form in the medieval ages, and covers in broad perspective the evolution of oxygen therapy in medicine from the past to the present. In addition to this, the basic sciences and physiology of respiratory failure, gas exchange, oxygen transport delivery and utilization at cellular level are also covered. Chapters pertaining to oxygen sources, administration, devices, and clinical uses in different respiratory as well as nonrespiratory conditions, both acute and chronic in adults and children have been included, as are oxygenation during procedures such as ventilation and bronchoscopy. The oxygen crisis during coronavirus disease 2019 (COVID-19) has also been dealt with, with valuable lessons for the future pandemic preparedness, including oxygen audits for health services. The historical contributions of all pioneers whose efforts led to oxygen therapy and assisted ventilation achieving their current status in modern medicine have been commemorated by a photo gallery in the chapter on “The Past, Present and Future of Oxygen Therapy”. All articles have been written and edited to follow a standard pattern. Each article includes an introduction and summary or keypoints, with references for those who wish to read further. To break the monotony of reading subjective articles and make it more lively and interesting for the reader, some articles have been written in a question-answer format and some real-life case reports that reflect commonly encountered clinical scenarios have also been included for the reader to develop a better grasp of the subject. The informative chapters contain high-quality graphics, pictures, tables, and charts to capture the reader's interest and make it more informative and interesting. We have attempted to provide a concise, yet comprehensive review of the historical and current perspectives, theory, practice, and clinical applications of oxygen therapy in a nutshell and I hope both teachers and students will appreciate our endeavor. While some overlap may exist between the content of different articles, I would like to clarify that this is with the intent to ensure each article remains complete in itself, mainly for the convenience of the reader. We hope that this book is effective in capturing the reader’s attention and fulfills the purpose that it was written for, and its usefulness grows much worth beyond the time and effort which it took to write and create.

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