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Diving with pre-existing medical conditions.

John Lippmann1,2,3, David McD Taylor4,5, Christopher Stevenson2

  • 1Divers Alert Network Asia-Pacific, Ashburton, Victoria, Australia.

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|September 5, 2017
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Summary
This summary is machine-generated.

Divers with cardiovascular and respiratory conditions, and diabetes, dive safely with medical management and some practice modifications. While diving-related incidents appear low, further research is needed to confirm safety for these medical divers.

Keywords:
AsthmaCardiovascularDiabetesFitness to diveRespiratoryScuba diversSurvey

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Area of Science:

  • Diving Medicine
  • Cardiovascular Health
  • Respiratory Health
  • Diabetes Management

Background:

  • Examines medical management, risk mitigation strategies, and outcomes for divers with cardiovascular and respiratory conditions, and diabetes.
  • Second report surveying Divers Alert Network Asia-Pacific (DAN AP) members with declared medical conditions.

Purpose of the Study:

  • To assess the safety and practices of divers with pre-existing cardiovascular, respiratory, and diabetic conditions.
  • To understand the medical management and diving modifications employed by these divers.

Main Methods:

  • Online cross-sectional survey distributed to 833 DAN AP members with targeted medical conditions (July 2009 - August 2013).
  • Analysis of data from 268 respondents with conditions including hypertension, diabetes, asthma, and heart disease.

Main Results:

  • 49% sought specialist diving medical advice; 23% modified diving practices.
  • The cohort completed over 183,000 dives, with 57,822 post-diagnosis.
  • 27 cases of decompression illness and 2 arrhythmias reported; 25 DCI cases linked to persistent foramen ovale.

Conclusions:

  • Diving with certain medical conditions appears manageable with specialist advice and practice modifications.
  • The incidence of diving-related problems seems low, but larger studies are needed for confirmation.
  • Response rate limitations and potential selection bias necessitate cautious interpretation of findings.