2022, Number 3-4
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MEDICC Review 2022; 24 (3-4)
Validation of a New Diagnostic Index to Determine Metabolic Obesity Phenotypes in Normal-Weight Women in Early Pregnancy
Artiles-Santana A, Sarasa-Muñoz NL, Izaguirre-Castellanos E, Álvarez Guerra-González E, Cañizares-Luna O
Language: English
References: 30
Page: 30-35
PDF size: 291. Kb.
ABSTRACT
INTRODUCTION It would be useful to have diagnostic indices
for obesity phenotypes in pregnant women based on morphological
traits and the specifi c distribution of abdominal adipose
tissue. This type of practical resource would allow for the classifi
cation of obesity phenotypes in normal-weight women in
early pregnancy and would contribute to primary healthcare
followup of pregnant women.
OBJECTIVE Validate a new diagnostic index for the metabolically
unhealthy obese, normal-weight phenotype, as a determinant
for cardiometabolic risk in normal-weight pregnant
Cuban women in the fi rst trimester of pregnancy.
METHODS A cross-sectional study of 526 pregnant women
at a gestational age of 12 to 14 weeks seen at the ultrasound
service of the Chiqui Gómez Lubián Teaching Polyclinic,
Santa Clara municipality, Villa Clara province, Cuba, was
conducted from January 2016 through July 2020. Subcutaneous,
preperitoneal and visceral abdominal fats, as well as
anthropometric and blood chemistry variables, were measured.
The women were divided into three groups based on
metabolic phenotypes, taking into account body mass index in
the normal weight range, visceral adiposity index values and
the lipid accumulation product starting at the 75th percentile.
The new index, called the abdominal adipose deposit index,
was obtained by multiplying the subcutaneous fat thickness
by visceral fat thickness, both measured by ultrasound. A cutoff
point was established that facilitated discernment of an
unhealthy phenotype: normal weight but metabolically obese,
a cardiometabolic risk factor.
RESULTS Receiver operating characteristic (ROC) analysis
of the abdominal adipose deposit index to distinguish the metabolically
unhealthy obese, normal-weight phenotype in normal-
weight pregnant women showed an area under the curve
of 0.707 (95% CI: 0.62‒0.79, p <0.001), greater than that of
the body fat index (0.630; 95% CI: 0.54‒0.72), the fat accumulation
index (0.637; 95% CI: 0.55‒0.73) and other established
ultrasound indices of abdominal adiposity, with a prevalence
of 6.3%.
CONCLUSIONS The abdominal adipose deposit index is
better than other traditional indicators at detecting the risk of
metabolic obesity in early pregnancy in normal-weight women,
facilitating early intervention in clinical practice to prevent or
delay progression of cardiometabolic disease in these women.
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