Diving and hyperbaric medicine · 2015
Cutis marmorata in decompression illness may be cerebrally mediated: a novel hypothesis on the aetiology of cutis marmorata.
Клинический случайСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Kemper Tom Cpm, Rienks R, van Ooij P Jam, van Hulst R A
Аннотация
INTRODUCTION: Cutaneous decompression sickness (DCS) is often considered to be a mild entity that may be explained by either vascular occlusion of skin vessels by bubbles entering the arterial circulation through a right-to-left shunt or bubble formation due to saturated subcutaneous tissue during decompression. We propose an alternative hypothesis.
METHODS: The case is presented of a 30-year-old female diver with skin DCS on three separate occasions following relatively low decompression stress dives. Also presented are the findings of cutaneous appearances in previously reported studies on cerebral arterial air embolism in pigs.
RESULTS: There was a close similarity in appearance between the skin lesions in this woman (and in other divers) and those in the pigs, suggesting a common pathway.
CONCLUSIONS: From this, we hypothesize that the cutaneous lesions are cerebrally mediated. Therefore, cutaneous DCS might be a more serious event that should be treated accordingly. This hypothesis may be supported by the fact that cutis marmorata is also found in other fields of medicine in a non-diving context, where the rash is referred to as livedo reticularis or livedo racemosa. These are associated with a wide number of conditions but of particular interest is Sneddon's syndrome, which describes the association of livedo racemosa with cerebrovascular events or vascular brain abnormalities. Finally, there is a need for further research on the immunocytochemical pathway of cutaneous DCS.
METHODS: The case is presented of a 30-year-old female diver with skin DCS on three separate occasions following relatively low decompression stress dives. Also presented are the findings of cutaneous appearances in previously reported studies on cerebral arterial air embolism in pigs.
RESULTS: There was a close similarity in appearance between the skin lesions in this woman (and in other divers) and those in the pigs, suggesting a common pathway.
CONCLUSIONS: From this, we hypothesize that the cutaneous lesions are cerebrally mediated. Therefore, cutaneous DCS might be a more serious event that should be treated accordingly. This hypothesis may be supported by the fact that cutis marmorata is also found in other fields of medicine in a non-diving context, where the rash is referred to as livedo reticularis or livedo racemosa. These are associated with a wide number of conditions but of particular interest is Sneddon's syndrome, which describes the association of livedo racemosa with cerebrovascular events or vascular brain abnormalities. Finally, there is a need for further research on the immunocytochemical pathway of cutaneous DCS.