VISUALIZATION OF MESENTERIC THROMBOSIS USING HEV-LAPVISІON DURING LAPAROSCOPY
DOI:
https://doi.org/10.11603/2414-4533.2016.2.6409Abstract
The results of effi ciency of HEV-LapVision technology to determine the viability of the small intestine on the model mesenteric
thrombosis are presented. Studies were conducted on laboratory rabbits. Herewith there was injected 10 % of fl uorescein intravenously,
which with bloodstream was accumulating in the wall of the small intestine. Above the operating fi eld there was
recorded a laparoscope (length 300 mm, diameter 10 mm, angle of 0 deg.), which is connected to the camera and light source
of intraoperative imaging systems (HEV-LapVisіon). Real-time continuous recording and broadcast video was performed on
the monitor in three modes: normal, LapVison and combined. Total video time lasted 80 minutes. After verifi cation of the zone
of ischemia there was performed a typical resection of ischemic areas of the small intestine, and then superimposed anastomosis
“side-to-side” was put on. As a control of the obtained results, the method of determining the redox potential was used.
At (160±7) second fl uorescence emission was observed clearly in the wall of the small intestine. The video clearly visualized
increase of fl uorescence emission intensity in the wall of the small intestine. This tissue had a characteristic green color. Instead
ischemic segment is not accumulated contrast due to lack of blood supply as a result – not contrasted. Before resection there
were verifi ed transistor ischemia zones and demarcation ischemia.
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