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Figure 2 Bowel Wall Thickness in CHF Patients Compared With Control Subjects
(A) Bowel wall thickness (assessed using transcutaneous abdominal sonography, 12 MHz linear-array transducer) of terminal ileum, ascending colon, transverse colon, descending colon and sigmoid in chronic heart failure (CHF) patients compared with control subjects. Box plots indicate medians as well as 25th and 75th percentiles. (B, C) Measurement of bowel wall thickness in a healthy control subject (B) and a patient with CHF (C). Within the bowel wall, 3 layers can be differentiated. The hypoechoic layer next to the lumen corresponds to the mucosa and the second echogenic layer corresponds to the submucosa. The third layer is again hypoechoic and corresponds to the muscularis propria. Overall thickness of the bowel wall was measured from the first mucosal interface echo to the first serosal echo.
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