Dr. Reddy identifi ed 14 clinical trials
that compared dynamic surfaces with
so-called static support—mattresses and
overlays that may have extra padding or
special honey combed or corrugated surfaces
but don’t move. Dynamic surfaces
came out on top in only three studies,
and in one well-designed trial, there was
no difference. Th e results raise the question
of whether some of the elaborate
beds designed to prevent bedsores might
be a waste of money. On the other hand,
Dr. Reddy didn’t rule out their cost-effectiveness,
especially in hospitals and
for patients who already have bedsores.