Publications by authors named "Jacinto Santiago-Mejia"

Peripheral venous hypertension has emerged as a prominent characteristic of venous disease (VD). This disease causes lower limb edema due to impaired blood transport in the veins. The phlebotonic drugs in use showed moderate evidence for reducing edema slightly in the lower legs and little or no difference in the quality of life.

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Larreat is a tree native to southeastern Mexico and Guatemala. Its flower is used in Mexican folk medicine to treat a variety of diseases, including conditions of blood pressure. However, scientific information on its usefulness in this pathology is lacking.

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We evaluated changes involving the myenteric neurons of the guinea pig after different times of ischemia in situ followed by superfusion in vitro. Intestinal ischemia was produced by clamping the superior mesenteric artery and maintaining it for 5, 10, 20, 40, 80, or 160 min. Myenteric plexus-longitudinal muscle preparations from ischemic and non-ischemic portions, obtained from the same guinea pig, were dissected and mounted in organ baths containing Krebs bicarbonate solution at 37 degrees C, gassed with 95% O(2) and 5% CO(2).

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1. We evaluated changes in contractility of the guinea-pig isolated ileum, using intact segments and myenteric plexus-longitudinal muscle (MPLM) preparations, after several times (5-160 min) of ischemia in situ. 2.

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This study describes a comprehensive method to assess neurological deficits after brain ischemia produced by sequential common carotid artery sectioning (SCAS) in aged mice, and a scale to determine the degree of functional incapacity of ischemic animals. The method involves an initial phase of undisturbed observation and a later manipulative phase during which each animal is subjected to a sequence of very simple manipulations. Sham-operated animals demonstrated 96% survival throughout the study period (72 h), whereas the 24, 48 and 72 h survival rates of SCAS-mice were 48, 38 and 36%, respectively.

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