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Biomechanical wall properties in the isolated perfused porcine duodenum: an experimental study using impedance planimetry

The aims were to investigate duodenal biomechanical wall properties and properties of the ascending peristaltic reflex using impedance planimetry in the isolated perfused porcine duodenum. Stepwise inflation from 0.5 to 3.0 kPa of an intraluminal duodenal balloon, in which the pressure and balloon cross‐sectional area (Bcsa) were measured simultaneously, provided the distension stimulus. The biomechanical wall parameters were calculated from these measurements.