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SCUBA divers with PFO at higher risk for decompression illness - Video

Published On 2023-07-11T09:30:27+05:30  |  Updated On 11 July 2023 9:30 AM IST
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Overview

A study of a cohort of SCUBA divers has found that the presence of high-risk patent foramen ovale (PFO), or a hole in the heart, was associated with an increased risk of decompression illness (DCI), also commonly known as the bends. The authors recommend that divers with high-risk PFO should consider either refraining from diving or adhering to a conservative diving protocol.

DCI is a disease in which inhaled nitrogen is dissolved in tissues or blood under a high pressure during a diver’s descent and subsequently forms gas bubbles while they rise, mechanically affecting the tissue or inhibiting blood flow. A PFO enables venous nitrogen bubbles to embolize into the arterial system.

Researchers from Sejong Hospital, Bucheon, South Korea conducted a prospective cohort study of 100 experienced divers who did more than 50 dives per year. Participants had transesophageal echocardiography with a saline bubble test to determine the presence of a PFO and were subsequently divided into high- and low risk groups. They were followed up using a self-reported questionnaire while blinded to their PFO status. The authors report that 12 of 68 divers with PFO (10 of 37 divers with high-risk PFO) experienced DCI.

Ref:Annals of Internal Medicine, https://www.acpjournals.org/doi/10.7326/M23-0260

Speakers

Isra Zaman

B.Sc Life Sciences, M.Sc Biotechnology, B.Ed

Isra Zaman is a Life Science graduate from Daulat Ram College, Delhi University, and a postgraduate in Biotechnology from Amity University. She has a flair for writing, and her roles at Medicaldialogues include that of a Sr. content writer and a medical correspondent. Her news pieces cover recent discoveries and updates from the health and medicine sector. She can be reached at editorial@medicaldialogues.in.

Dr. Kamal Kant Kohli

Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751
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