alexa Cavernous malformations | Argentina | PDF | PPT| Case Reports | Symptoms | Treatment

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Cavernous Malformations

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  • Cavernous malformations

    Cavernous angiomas are vascular lesions comprised of clusters of abnormally dilated blood vessels. These lesions can be found in the brain, spinal cord, and, rarely, in other areas of the body including the skin and retina. Cavernous malformations are dilated blood vessels that are characterized by multiple distended "caverns" of blood-filled vasculature through which the blood flows very slowly. Vessels of a cavernous malformation lesion have a tendency to leak because they lack the proper junctions between neighboring cells as well as the necessary structural support from smooth muscle and stretchable material (elastin). Leakage (bleeding) from these vascular lesions is the underlying cause of clinical symptoms associated with the illness. Cavernous malformations are primarily located in the brain, but can also be found in the spinal cord, on the skin, and more rarely in the retina.

  • Cavernous malformations

    Symptoms are highly variable among individuals; in some cases no symptoms may be present. However, when symptoms do manifest they often depend on the location of the angioma and on the strength of the angioma walls and their propensity for bleeding. Resesach is going on non-surgical treatmentTwo potential therapeutics, simvastatin and Fasudil, are currently being studied in cell and animal-based models of the illness.

  • Cavernous malformations

    According to a survey total population selected (350), 3.7% were infected with only Giardia spp. or 22.9% with B. hominis, and 2.3% were infected with both protozoa. The frequency of infection according to sex; 6.1% of males were infected and 1.6% of females by Giardia spp., 26.7% and 19.5% by B. hominis, and 2.4% and 2.2% by both parasites, respectively. Giardia spp. was detected in only three adults (over 14 years), but B. hominis was more frequent in adults than in children. The prevalences of these protozoa in this community are lower than those reported by other Argentinean studies, which is probably associated with the low density of the studied population (5.95 inhab/km2). Statistical analysis revealed that a male sex, flooding of the home, the use of a latrine, and an abdominal pain were correlated with the presence of these parasites, which indicate the importance of these factors in rural communities.

 

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