May 6, 2024

Doctors Warn of Relatively Little Known Hazard Linked To Open Water Swimming

Open water swimming is swimming in natural bodies of water, such as lakes, rivers, or the ocean, as opposed to swimming in a swimming pool or manufactured body of water. It is a popular kind of entertainment, workout, and competition, and can include swimming in open water for long distances, such as in a marathon swim or triathlon occasion, or in shorter distances for enjoyable or training. Open water swimming can be challenging due to the unpredictability of natural conditions, such as currents, waves, and temperature changes.
Lung edema is a medical condition in which the lungs fill with fluid, making it tough to breathe. Lung edema is a major condition that needs timely medical attention, as it can lead to respiratory failure and death.

Open water swimming is swimming in natural bodies of water, such as lakes, rivers, or the ocean, instead of swimming in a pool or manufactured body of water. It is a popular type of workout, competitors, and entertainment, and can include swimming in open water for cross countries, such as in a marathon swim or triathlon occasion, or in shorter ranges for fun or training. Open water swimming can be challenging due to the unpredictability of natural conditions, such as currents, waves, and temperature level changes.
Older age, swimming long distances, cold water, and female sex are amongst the risk aspects. Often takes place in those who are otherwise in shape and healthy, medical professionals warn.
Fluid on the lungs, or pulmonary edema as its formally understood, is a fairly obscure hazard related to open water swimming, caution medical professionals in the journal BMJ Case Reports after treating a lady with the condition.
Older age, swimming fars away, cold water, and female sex are among the threat elements, as are hypertension and pre-existing heart problem. However it regularly happens in those who are otherwise healthy and fit, highlight the authors.

Open-water swimming has ended up being preferred, with more than 3 million lovers in England in 2021 alone. However mounting evidence points to a link between a condition and the activity called swimming-induced lung edema, or SIPE for short.
Reported in 1989, SIPE leaves swimmers struggling to draw breath and diminishes their blood of important oxygen. It impacts an approximated 1-2% of open water swimmers, however cases are most likely to be underreported, state the authors.
The lady in concern remained in her 50s and a keen competitive long-distance swimmer and triathlete.
Lung edema is a medical condition in which the lungs fill with fluid, making it difficult to breathe. This fluid builds up in the air areas and the little capillary of the lungs, triggering inflammation and lowering the ability of the lungs to exchange oxygen and carbon dioxide. It can be triggered by a variety of elements, including cardiac arrest, high altitude, lung injury, and particular medications. Symptoms of pulmonary edema include shortness of breath, chest tightness, spending frothy pink fluid, rapid breathing and confusion, tiredness, and bluish skin due to absence of oxygen. Lung edema is a severe condition that requires timely medical attention, as it can result in breathing failure and death.
Otherwise, fit and well, she was struggling to breathe and coughing up blood after taking part in an open water swimming event during the night in water temperatures of around 17 ° C (63 ° F) while wearing a wetsuit. Her signs began after swimming 300 meters.
She had no case history of note, but experienced breathing difficulties throughout an open water swim a fortnight earlier which had required her to desert the event and left her feeling breathless for some days afterward..
On arrival at the healthcare facility, her heartbeat was fast, and a chest x-ray exposed lung edema. More scans revealed that fluid had actually infiltrated the heart muscle, a sign of stress understood as myocardial edema. She had no structural heart disease..
Her symptoms settled within 2 hours of arrival at the hospital. And after cautious tracking, she was released the following early morning..
Its not clear exactly what triggers SIPE. However it likely involves boosts in arterial pressure in the lungs secondary to centralization of blood volume in a cold environment, integrated with an overstated constriction of these capillary in reaction to the cold and increased blood flow throughout physical exertion.
However reoccurrence prevails and has actually been reported in 13% -22% of scuba divers and swimmers, suggesting a predisposition to the condition, state the authors..
They encourage swimming at a slower rate, accompanied, in warmer water, without a tight-fitting wetsuit, and avoidance of non-steroidal anti-inflammatories, such as ibuprofen, to reduce the danger.
For those experiencing symptoms for the first time, the authors recommend stopping swimming and getting out of the water quickly, then sitting upright, and calling for medical support if required.
This is simply one case, highlights the authors, whose goal in reporting it is to raise awareness amongst physicians and swimmers of a reasonably little-known condition..
” The UK Diving Medical Committee has released guidance for divers. At present, there are no official nationwide medical standards concerning the recognition and management of this complex condition,” they keep in mind.
Referral: “Myocardial oedema in the setting of immersion pulmonary oedema– Cause or impact?” by James Oldman, Sarah Morwood, James Willis and Daniel Xavier Augustine, 9 January 2023, BMJ Case Reports.DOI: 10.1136/ bcr-2022-251274.