Abstract
SBL was measured prospectively in 167 formalin-fixed cadavers; and studied in 118 without intestinal surgery. A standardized and reproducible method of small bowel measurement was utilized in both <em>in vivo</em> and cadaveric subjects. Small bowel was measured in situ from the Ligament of Treitz to the ileocecal valve. These measurements were compared to previously published cadaveric and <em>in vivo</em> human SBL data. The number of cadavers examined was larger than in other published studies; the number of <em>in vivo</em> subjects was also the highest yet reported.
Highlights
The small intestine encompasses the majority of digestive and absorptive properties of the gastrointestinal system
Surgeons involved with trauma, intestinal ischemia, short bowel syndrome, inflammatory bowel disease, and intestine transplantation have limited literature resources defining small bowel length in live humans [3,4,5]
Small bowel length was measured in 167 formalin-fixed human cadavers from three medical school anatomy labs to establish normal human cadaver ranges
Summary
The small intestine encompasses the majority of digestive and absorptive properties of the gastrointestinal system. Disease processes that disrupt small bowel length (SBL) and/or function hinder human growth and Citation: Zhou R, Orkin BA, Williams JM, Serici A, Poirier J, et al (2020) In Vivo Small Bowel Length is Longer than in Formalin-Fixed Cadavers. Zhou et al Int J Surg Res Pract 2020, 7:107 Page 1 of 9 . Physical and/or functional shortening of the small bowel may result in intestinal failure (characterized by inability to maintain fluid, electrolyte, micronutrient, and protein-energy balance). For this reason, understanding accurate SBL in living subjects is crucial. Surgeons require accurate ranges of normal small bowel length (SBL) to benefit patients. The relationship between cadaveric SBL and in vivo human SBL is not known. We hypothesized that cadaveric SBL is significantly different compared to human SBL
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