PMID: 9166130Apr 1, 1997Paper

Correlation between 99Tcm-HMPAO-SPECT brain image and a history of decompression illness or extent of diving experience in commercial divers

Occupational and Environmental Medicine
T G ShieldsS E Wilcock

Abstract

To explore the use of 99technetiumm-hexamethyl propylene amine oxime single photon computed tomography (HMPAO-SPECT) of the brain as a means of detecting nervous tissue damage in divers and to determine if there is any correlation between brain image and a diver's history of diving or decompression illness (DCI). 28 commercial divers with a history of DCI, 26 divers with no history of DCI, and 19 non-diving controls were examined with brain HMPAO-SPECT. Results were classified by observer assessment as normal (I) or as a pattern variants (II-V). The brain images of a subgroup of these divers (n = 44) and the controls (n = 17) were further analysed with a first order texture analysis technique based on a grey level histogram. 15 of 54 commercial divers (28%) were visually assessed as having HMPAO-SPECT images outside normal limits compared with 15.8% in appropriately identified non-diver control subjects. 18% of divers with a history of DCI were classified as having a pattern different from the normal image compared with 38% with no history of DCI. No association was established between the presence of a pattern variant from the normal image and history of DCI, diving, or other previous possible neurological insult. On texture a...Continue Reading

References

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Citations

Jun 14, 2003·The Neurologist·Diana Marie BarrattKeith Van Meter
Nov 1, 1994·Clinical Physiology·J MadsenO Hyldegaard
Jul 2, 2003·Sangyō eiseigaku zasshi = Journal of occupational health·Kiyotaka KohshiRobert M Wong

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