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Nutr Metab Cardiovasc Dis. 2016 Jun;26(6):502-9. doi: 10.1016/j.numecd.2016.01.013. Epub 2016 Feb 9.

White blood cell count may identify abnormal cardiometabolic phenotype and preclinical organ damage in overweight/obese children.

Author information

1
Department of Internal Medicine, "S. Maria delle Grazie", Pozzuoli Hospital, Naples, Italy.
2
Policlinico Umberto I Hospital, Sapienza University of Rome, Rome, Italy.
3
Institute of Translational Pharmacology, National Research Council, Via Fosso del Cavaliere, 100, 00133, Rome, Italy. Electronic address: claudio.chiesa@ift.cnr.it.
4
IRCCS Istituto Auxologico Italiano, Department of Medical Sciences & Rehabilitation, Milan, Italy.
5
Department of Woman, Child and General and Specialized Surgery, Second University of Naples, Naples, Italy.
6
Endocrinology and Diabetes, Department of Medical Sciences, University of Cagliari, Cagliari, Italy; Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy.
7
Department of Cardiology, "S. Maria delle Grazie", Pozzuoli Hospital, Naples, Italy.
8
Department of Medicine, Surgery and Health Sciences, University of Trieste, Trieste, Italy.
9
Pediatric Unit, AOU Udine, Udine, Italy.
10
Department of Pediatrics, AORN Santobono-Pausilipon, Naples, Italy.
11
IRCCS Bambino Gesù Children's Hospital, Rome, Italy.
12
Pediatric Diabetes and Metabolic Disorders Unit, University of Verona, Verona, Italy.
13
Department of Movement and Wellness Sciences, Parthenope University, Naples, Italy.

Abstract

BACKGROUND AND AIMS:

Subclinical inflammation is a central component of cardiometabolic disease risk in obese subjects. The aim of the study was to evaluate whether the white blood cell count (WBCc) may help to identify an abnormal cardiometabolic phenotype in overweight (Ow) or obese (Ob) children.

METHODS AND RESULTS:

A cross-sectional sample of 2835 Ow/Ob children and adolescents (age 6-18 years) was recruited from 10 Italian centers for the care of obesity. Anthropometric and biochemical variables were assessed in the overall sample. Waist to height ratio (WhtR), alanine aminotransferase (ALT), lipids, 2 h post-load plasma glucose (2hPG), left ventricular (LV) geometry and carotid intima-media thickness (cIMT) were assessed in 2128, 2300, 1834, 535 and 315 children, respectively. Insulin resistance and whole body insulin sensitivity index (WBISI) were analyzed using homeostatic model assessment (HOMA-IR) and Matsuda's test. Groups divided in quartiles of WBCc significantly differed for body mass index, WhtR, 2hPG, HOMA-IR, WBISI, lipids, ALT, cIMT, LV mass and relative wall thickness. Children with high WBCc (≥8700 cell/mm(3)) showed a 1.3-2.5 fold increased probability of having high normal 2hPG, high ALT, high cIMT, or LV remodeling/concentric LV hypertrophy, after adjustment for age, gender, pubertal status, BMI and centers.

CONCLUSIONS:

This study shows that WBCc is associated with early derangements of glucose metabolism and preclinical signs of liver, vascular and cardiac damage. The WBCc may be an effective and low-cost tool for identifying Ow and Ob children at the greatest risk of potential complications.

KEYWORDS:

Cardiometabolic risk factors; Overweight/obese children; Preclinical signs of organ damage; White blood cell count

PMID:
27048715
DOI:
10.1016/j.numecd.2016.01.013
[Indexed for MEDLINE]

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