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Year 2012 Vol. 20 No 2




EE Belarusian State Medical University1,
Military-Medical administration of the Ministry of defense 2, g. Minsk,
The Republic of Belarus

Objectives. To study possibilities of the direct oximetry application to estimate viability of the intestinal wall at acute ileus.
Methods. The research is based on the result analysis of the direct oximetry of the small intestine afferent loop in 18 guinea pigs with the experimental ileus.
Results. Correlation between the oxygen content in the small intestine wall and distance up to the level of obstruction in case of an acute ileus was revealed. Sufficient oxygen supply with its disturbed utilization was noted on the intestine sections in the direct proximity from the mechanical obstruction during the first day of ileus development. Though, if the obstruction for the intestinal content passage remains, the given parameter quickly returns to its usual values and continues to decrease progressively, testifying to the development of rough ischemic damage of the intestinal wall. The stationary level of the partial oxygen pressure remains practically unchanged during the first two days of the disease on more distant sections from the level of obstruction; though further development of the intestinal wall ischemia occurs as the result of overdistention and exhaustion of compensatory mechanisms. On the sufficiently distant sections of the intestine stationary oxygen level didnt change remarkably during three days from the moment of the disease development; this fact once again proves a clear correlation of changes in the intestinal wall and distance to the obstruction level and time passed from the pathological process onset.
Conclusions. Direct oximetry is an objective, non-invasive method letting estimate tissue respiration in the organs and tissues which suffer from microcirculation disturbance and hypoxia on the distance from the main pathological focus. It can be used during operations to determine the level of the intestine resection and place of anastomosis application.

Keywords: acute ileus, direct oximetry
p. 3 8 of the original issue

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Address for correspondence:
220034, Respublika Belarus', g. Minsk, ul. Azgura, 4, UO Belorusskii gosudarstvennyi meditsinskii universitet, voenno-meditsinskii fakul'tet, kafedra voenno-polevoi khirurgii,
Trukhan Aleksei Petrovich
Information about the authors:
Korik V.E., andidate of medical sciences, associate professor, colonel of medical service, a head of military field surgery chair of the military medicine faculty of EE "Belarusian State Medical University."
Trukhan A.P., candidate of medical sciences, major of medical service, an assistant of military field surgery chair of the military medicine faculty of EE "Belarusian State Medical University."
Zhidkov S.A., doctor of medical sciences, professor, colonel of medical service, the chief of military medical department of the Ministry of Defence of the Republic of Belarus.
Klyuyko D.A., major of medical service, graduate student of the chair of military field surgery chair of the military medicine faculty of EE "Belarusian State Medical University."
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