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At least 1,045 records · Page 58Linked to original sources
PubMed1988

[Interrelation between the reactions of the lymphatic vessels of the mesentery with changes in their lymph flow under the effect of adrenaline].

Different changes of the lymph flow occurred in lymphatic vessels under local effect of adrenaline in rats. The intensification of the pulsatory activity of the vessels was accompanied by acceleration of the lymph flow in most cases, and the weakening of the motor function by its delay or stopping. The intensity of the lymph flow depends to a lesser extent on the changes of vessels' gap. The ability of adrenaline to change the reactivity of vessels is revealed.

Animals↗
PubMed1988

Mesh fixation of the mesentery for treatment of volvulus and recurrent stomal prolapse.

Mesenteric mesh-pexy is indicated for permanent and quick-clean fixation of the intestine. It is applicable to the treatment of recurrent stomal prolapse and intestinal volvulus when the intestine is viable, but resection, less definitive treatment or an additional operation would pose increased risks to the patient. Mesenteric mesh-pexy may also be considered prophylactically for floppy cecum and severely redundant loops of sigmoid colon.

Aged↗
PubMed1987

[Structural and functional organization of the microcirculatory bed of the frog and rat mesentery].

The arteriolar and venular network and the blood flow distribution were studied in mesenteric microvascular beds of frogs and rats. Some principles of spatial organization were established: an increase of branching coefficient, a decrease of branching asymmetry with the internal diameter of parent vessel progressively diminishing, the more frequent branching of venous tree including the fragment of a relatively greater volume. The values of geometrical and hemodynamical parameters were different in frogs and rats. Experimental dependence between pressure gradients and vessel radii was found to be exponential, thus being in agreement with prediction of a mathematical model based on physiologically significant criteria.

Animals↗
PubMed1986

[Mesenterial anemia as a cause of jogging anemia?].

Anemia in runners is common but its origin is unknown. The present study reports on frequency and origin of gastrointestinal blood loss in cross-country skiers and runners. 41 participants in the Engadin Ski Marathon were checked by questionnaire and occult blood test. 8 (19%) had diarrhea or abdominal pain during or immediately after skiing and 3 (7%) had hemoccult-positive stools. In addition, the blood flow of the superior mesenteric artery was measured by duplex scanning in two trained runners after standardized exercise. While the mesenteric blood flow in the asymptomatic runner changed only insignificantly there was an impressive decrease in the second runner, who had been treated for anemia, down to 20% and 40% (30 and 90 min respectively) after exercise. It is concluded that the occurrence of gastrointestinal blood loss in cross-country skiing, and the significant decrease in mesenteric blood flow in a symptomatic runner, indicate a close and possible causal relationship between mesenteric ischemia and "jogging anemia".

Adult↗