Blood
pressure maintenance after a meal may depend on the
interaction between some or all of the mechanisms outlined
above to compensate for the increase in mesenteric blood
volume. However, the impairment of one or more of these
factors could result in inadequate compensation leading to
postprandial hypotension, most commonly in frail older
people (O’mara & Lyons 2002). For example, Lipsitz et al.