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[Dysbaric osteonecrosis in professional divers: MRT as a screening method?]

D Heyer1, H Schöntag, R Maas

  • 1Radiologische Klinik, Universitäts-Krankenhaus Eppendorf, Hamburg.

Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|October 1, 1994
PubMed
Summary

Magnetic resonance imaging (MRI) is highly sensitive for detecting dysbaric osteonecrosis in professional divers. This study found bone marrow signal alterations suggesting bone infarct in 11 divers.

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Area of Science:

  • Orthopedics
  • Radiology
  • Sports Medicine

Background:

  • Professional diving involves significant physiological stress.
  • Dysbaric osteonecrosis is a known risk associated with diving.
  • Early detection of dysbaric osteonecrosis is crucial for diver health.

Purpose of the Study:

  • To evaluate the sensitivity of Magnetic Resonance (MR) imaging in detecting dysbaric osteonecrosis.
  • To assess bone marrow signal alterations in professional divers.

Main Methods:

  • 20 male professional divers underwent 68 MR examinations of shoulder, hip, and knee joints.
  • Cerebral MR imaging was additionally performed in 16 divers.
  • Follow-up was conducted for 16 joint regions.

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Main Results:

  • 11 divers (55%) showed bone marrow signal alterations suggestive of bone infarct.
  • Bone infarct was confirmed in 9 cases.
  • One diver exhibited unifocal demyelination in the left cerebral hemisphere.

Conclusions:

  • MR imaging demonstrates high sensitivity in identifying dysbaric osteonecrosis.
  • The findings highlight the utility of MR in diagnosing diving-related bone pathology.
  • Further research may explore the long-term implications of these findings.