Hepatic steatosis in overweight/obese females: New screening method for those at risk

Giovanni Tarantino, Genoveffa Pizza, Annamaria Colao, Fabrizio Pasanisi, Paolo Conca, Patrizia Colicchio, Carmine Finelli, Franco Contaldo, Carolina Di Somma, Silvia Savastano

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

AIM: To identify which parameters could help to distinguish the "metabolically benign obesity", which is not accompanied by insulin resistance (IR) and early atherosclerosis. METHODS: Eighty two of 124 overweight/obese females formed the study population, which was divided into two groups (52 and 30 subjects, respectively) with and without IR according to a HO meostatic Metabolic Assessment (HOMA) cut-off of 2, and were studied in a cross-sectional manner. The main outcome measures were waist circumference, serum uric acid, high-density lipoprotein-cholesterol and triglycerides, alanine amino-transferase, blood pressure and the two imaging parameters, hepatic steatosis and longitudinal diameter of the spleen, which were measured in relation to the presence/absence of IR. RESULTS: A variable grade of visceral obesity was observed in all subjects with the exception of three. Obesity of a severe grade was represented more in the group of IR individuals ( P = 0.01). Hepatic steatosis, revealed at ultrasound, was more pronounced in IR than in non-IR subjects ( P = 0.005). The two groups also demonstrated a clear difference in longitudinal spleen diameter and blood pressure, with raised and significant values in the IR group. Metabolic syndrome was frequent in the IR group, and was not modified when adjusted for menopause ( P = 0.001). At linear regression, the β values of waist circumference and body mass index predicting HOMA were 0.295, P = 0.007 and 0.41, P = 0.0001, respectively. Measures of spleen longitudinal diameter were well predicted by body mass index (BMI) values, β = 0.35, P = 0.01, and by HOMA, β = 0.41, P = 0.0001. Blood pressure was predicted by HOMA values, β = 0.39, P = 0.0001). HOMA and hepatic steatosis were highly associated (rho = 0.34, P = 0.002). Interestingly, IR patients were almost twice as likely to have hepatic steatosis as non-IR patients. Among the MS criteria, blood pressure was very accurate in identifying the presence of IR (AUROC for systolic blood pressure 0.66, cut-off 125 mm of Hg, sensibility 64%, specificity 75%; AUROC for diastolic blood pressure 0.70, cut-off 85 mm of Hg, sensibility 54.5%, specificity 75%). CONCLUSION: As health care costs are skyrocketing, reliable and mainly inexpensive tools are advisable to better define subjects who really need to lose weight.

Original languageEnglish
Pages (from-to)5693-5699
Number of pages7
JournalWorld Journal of Gastroenterology
Volume15
Issue number45
DOIs
Publication statusPublished - Dec 7 2009

Fingerprint

Insulin Resistance
Blood Pressure
Liver
Spleen
Waist Circumference
Body Mass Index
Morbid Obesity
Abdominal Obesity
Menopause
Transferases
Uric Acid
Alanine
Health Care Costs
HDL Cholesterol
Linear Models
Atherosclerosis
Outcome Assessment (Health Care)
Weights and Measures
Serum
Population

Keywords

  • Body mass index
  • Cardiovascular disease
  • Fatty liver
  • Insulin resistance
  • Metabolic fitness
  • Obesity

ASJC Scopus subject areas

  • Gastroenterology

Cite this

Tarantino, G., Pizza, G., Colao, A., Pasanisi, F., Conca, P., Colicchio, P., ... Savastano, S. (2009). Hepatic steatosis in overweight/obese females: New screening method for those at risk. World Journal of Gastroenterology, 15(45), 5693-5699. https://doi.org/10.3748/wjg.15.5693

Hepatic steatosis in overweight/obese females : New screening method for those at risk. / Tarantino, Giovanni; Pizza, Genoveffa; Colao, Annamaria; Pasanisi, Fabrizio; Conca, Paolo; Colicchio, Patrizia; Finelli, Carmine; Contaldo, Franco; Di Somma, Carolina; Savastano, Silvia.

In: World Journal of Gastroenterology, Vol. 15, No. 45, 07.12.2009, p. 5693-5699.

Research output: Contribution to journalArticle

Tarantino, G, Pizza, G, Colao, A, Pasanisi, F, Conca, P, Colicchio, P, Finelli, C, Contaldo, F, Di Somma, C & Savastano, S 2009, 'Hepatic steatosis in overweight/obese females: New screening method for those at risk', World Journal of Gastroenterology, vol. 15, no. 45, pp. 5693-5699. https://doi.org/10.3748/wjg.15.5693
Tarantino G, Pizza G, Colao A, Pasanisi F, Conca P, Colicchio P et al. Hepatic steatosis in overweight/obese females: New screening method for those at risk. World Journal of Gastroenterology. 2009 Dec 7;15(45):5693-5699. https://doi.org/10.3748/wjg.15.5693
Tarantino, Giovanni ; Pizza, Genoveffa ; Colao, Annamaria ; Pasanisi, Fabrizio ; Conca, Paolo ; Colicchio, Patrizia ; Finelli, Carmine ; Contaldo, Franco ; Di Somma, Carolina ; Savastano, Silvia. / Hepatic steatosis in overweight/obese females : New screening method for those at risk. In: World Journal of Gastroenterology. 2009 ; Vol. 15, No. 45. pp. 5693-5699.
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AU - Tarantino, Giovanni

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AU - Colao, Annamaria

AU - Pasanisi, Fabrizio

AU - Conca, Paolo

AU - Colicchio, Patrizia

AU - Finelli, Carmine

AU - Contaldo, Franco

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N2 - AIM: To identify which parameters could help to distinguish the "metabolically benign obesity", which is not accompanied by insulin resistance (IR) and early atherosclerosis. METHODS: Eighty two of 124 overweight/obese females formed the study population, which was divided into two groups (52 and 30 subjects, respectively) with and without IR according to a HO meostatic Metabolic Assessment (HOMA) cut-off of 2, and were studied in a cross-sectional manner. The main outcome measures were waist circumference, serum uric acid, high-density lipoprotein-cholesterol and triglycerides, alanine amino-transferase, blood pressure and the two imaging parameters, hepatic steatosis and longitudinal diameter of the spleen, which were measured in relation to the presence/absence of IR. RESULTS: A variable grade of visceral obesity was observed in all subjects with the exception of three. Obesity of a severe grade was represented more in the group of IR individuals ( P = 0.01). Hepatic steatosis, revealed at ultrasound, was more pronounced in IR than in non-IR subjects ( P = 0.005). The two groups also demonstrated a clear difference in longitudinal spleen diameter and blood pressure, with raised and significant values in the IR group. Metabolic syndrome was frequent in the IR group, and was not modified when adjusted for menopause ( P = 0.001). At linear regression, the β values of waist circumference and body mass index predicting HOMA were 0.295, P = 0.007 and 0.41, P = 0.0001, respectively. Measures of spleen longitudinal diameter were well predicted by body mass index (BMI) values, β = 0.35, P = 0.01, and by HOMA, β = 0.41, P = 0.0001. Blood pressure was predicted by HOMA values, β = 0.39, P = 0.0001). HOMA and hepatic steatosis were highly associated (rho = 0.34, P = 0.002). Interestingly, IR patients were almost twice as likely to have hepatic steatosis as non-IR patients. Among the MS criteria, blood pressure was very accurate in identifying the presence of IR (AUROC for systolic blood pressure 0.66, cut-off 125 mm of Hg, sensibility 64%, specificity 75%; AUROC for diastolic blood pressure 0.70, cut-off 85 mm of Hg, sensibility 54.5%, specificity 75%). CONCLUSION: As health care costs are skyrocketing, reliable and mainly inexpensive tools are advisable to better define subjects who really need to lose weight.

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