OBJECTIVE-Blood glucose awareness training (BGAT) teaches individuals
with insulin-dependent diabetes to more accurately estimate/detect the
ir blood glucose (BG) fluctuations. It has not, however, consistently
resulted in improved ability to detect low BG. To assess an enhanced v
ersion of BGAT (BGAT-II), with more focus on increasing sensitivity to
low BG events, a multicenter study was undertaken. Following up on pr
evious findings that BGAT is most effective with individuals who are l
east accurate in estimating BG, this study explicitly recruited subjec
ts who did and did not report reduced awareness of hypoglycemia.RESEAR
CH DESIGN AND METHODS-Seventy-eight subjects from three research sites
participated in a repeated baseline design. Subjects' BG estimation a
ccuracy and BG profiles were assessed 6 months before, immediately bef
ore, and immediately after BGAT-II. RESULTS-Post-treatment, BGAT-II le
d to better overall accuracy in detecting BG fluctuations and better d
etection of both low and high BG levels. This was achieved while the n
umber of low readings of self-monitoring of blood glucose (SMBG) was r
educed. Reduction in the number of low SMBG events was significant onl
y for subjects reporting awareness of hypoglycemia. Detection of low B
G was significant only for subjects reporting reduced awareness of hyp
oglycemia. Both groups demonstrated equivalent improvements in detecti
on of high BG levels. CONCLUSIONS-BGAT may be an effective behavioral
strategy for reversing hypoglycemic unawareness and an adjunct to inte
nsive insulin therapy to reduce the occurrence of severe hypoglycemia.