ABSTRACT
40 years' experience of treatment of acute ezophago-gastric bleedings in patients with portal hypertension is analyzed. In dependence of the treatment trends, three periods of of time were assigned. The 1st period was characterized by surgical treatment nonmetering clinical features. Second period combined a more differential approach with the use of rational conservative means. The 3rd period was characterized by the destroy of the specialized surgical help, but introduced a range of mini-invasive procedures, which allowed a fivefold decrease of lethality.
Subject(s)
Gastrointestinal Hemorrhage/therapy , Hemostasis, Endoscopic/methods , Hemostasis, Surgical/methods , Hemostatics/therapeutic use , Hypertension, Portal/complications , Acute Disease , Adolescent , Adult , Aged , Aged, 80 and over , Female , Follow-Up Studies , Gastrointestinal Hemorrhage/etiology , Humans , Hypertension, Portal/physiopathology , Hypertension, Portal/therapy , Male , Middle Aged , Retrospective Studies , Secondary Prevention , Treatment Outcome , Young AdultABSTRACT
Movement-related potentials (MRP), a component of the electroencephalogram (EEG) generated during voluntary movements, are known to vary during adaptation to changing loads and to different load types. This study attempts to reveal these changes. A novel denoising algorithm based on iterative approximation was applied to the MRPs recorded from four subjects while performing simple movements against changing loads. The results show that when subjects perform a repetitive task under a constant load there appears a significant peak in the activity of several MRP components recorded over the prefrontal cortex during the third and fourth repetition of the task. Furthermore, different types of loads do not affect the shape of the MRP but different force intensities do.
