Dear esteemed delegates and colleagues,

Underwater Medicine and Hyperbaric Oxygen is a deep specialty of Maritime Medicine, specializing in researching the effects of water environment and high pressure on the functions of the human body, researching pathogenesis and mechanisms arising from complications caused by changes in pressure and emergency measures, treatment and prevention of these diseases and complications, helping people to conquer the depths not only of the sea but also and the underground is becoming more efficient and safer. Furthermore, many nations have adopted high-pressure oxygen therapy (HBOT) for therapeutic use, which has led to a new line of inquiry into targeted treatments for a variety of clinical conditions.

On behalf of the International Conference Organizing Committee and representative of the host country of this important event, I have the honor of welcoming you to the 3rd National Conference on Underwater Medicine and Hyperbaric Oxygen and the 18th Annual Asian Scientific Conference on Underwater Medicine and Hyperbaric Oxygen in 2025 (AHDMA 2025) with the theme: “Applications of hyperbaric oxygen therapy in clinical and evidence - based Hyperbaric medical research". The conference will be held  at Nalod Hotel Danang, No. 192 Vo Nguyen Giap Street, Da Nang City, Vietnam from July 24 - 26, 2025. Numerous experts and presenters from different institutions, hospitals, universities, and well-known national and worldwide medical societies and organizations in the field of underwater and hyperbaric medicine will come together for the conference to share new scientific knowledge in this field, especially its clinical applicability.   more detail