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Correlation of insulin sensitivity with bone mineral status in obese adolescents with nonalcoholic fatty liver disease

Summary Aim  The aim of this study was to investigate the relationships between bone mineral density (BMD) vs insulin resistance and metabolic risk factors in obese adolescents with nonalcoholic fatty liver disease (NAFLD). Patients and methods  Eighty‐two obese adolescents [45 girls and 37 boys, me...

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Published in:Clinical endocrinology (Oxford) 2011-08, Vol.75 (2), p.189-195
Main Authors: Pirgon, Ozgur, Bilgin, Huseyin, Tolu, Ismet, Odabas, Dursun
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Bilgin, Huseyin
Tolu, Ismet
Odabas, Dursun
description Summary Aim  The aim of this study was to investigate the relationships between bone mineral density (BMD) vs insulin resistance and metabolic risk factors in obese adolescents with nonalcoholic fatty liver disease (NAFLD). Patients and methods  Eighty‐two obese adolescents [45 girls and 37 boys, mean age: 12·3 ± 1·7 years, mean body mass index‐standard deviation score (BMI‐SDS): 1·9 ± 0·2] and 30 control subjects (15 girls and 15 boys, mean age: 12·3 ± 1·45 years, mean BMI‐SDS: 0·5 ± 0·7) were enrolled the study. The obese subjects were divided into two groups based on the presence or absence of liver steatosis with high transaminases (NAFLD group and non‐NAFLD group). Insulin resistance was evaluated by homeostasis model assessment (HOMA‐IR) from fasting samples. BMD was determined by dual‐energy X‐ray absorptiometry. Results  Fasting insulin levels in the NAFLD group were significantly higher than in the non‐NAFLD obese (32·3 ± 24·0 vs 11·02 ± 2·95 mU/l, P < 0·001) and control groups (8·4 ± 2·4 mU/l, P< 0·001). The NAFLD group had higher values of HOMA‐IR than the non‐NAFLD obese (7·3 ± 0·1 vs 2·3 ± 0·7, P < 0·001) and control groups (1·8 ± 0·5, P 
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Patients and methods  Eighty‐two obese adolescents [45 girls and 37 boys, mean age: 12·3 ± 1·7 years, mean body mass index‐standard deviation score (BMI‐SDS): 1·9 ± 0·2] and 30 control subjects (15 girls and 15 boys, mean age: 12·3 ± 1·45 years, mean BMI‐SDS: 0·5 ± 0·7) were enrolled the study. The obese subjects were divided into two groups based on the presence or absence of liver steatosis with high transaminases (NAFLD group and non‐NAFLD group). Insulin resistance was evaluated by homeostasis model assessment (HOMA‐IR) from fasting samples. BMD was determined by dual‐energy X‐ray absorptiometry. Results  Fasting insulin levels in the NAFLD group were significantly higher than in the non‐NAFLD obese (32·3 ± 24·0 vs 11·02 ± 2·95 mU/l, P < 0·001) and control groups (8·4 ± 2·4 mU/l, P< 0·001). The NAFLD group had higher values of HOMA‐IR than the non‐NAFLD obese (7·3 ± 0·1 vs 2·3 ± 0·7, P < 0·001) and control groups (1·8 ± 0·5, P < 0·001). BMD‐SDS measurements were lower in the NAFLD group than in the non‐NAFLD (0·56 ± 0·3 vs 1·02 ± 0·9, P < 0·001) and control groups (0·56 ± 0·3 vs 1·37 ± 1·04, P < 0·001). BMD‐SDS was positively correlated with BMI‐SDS (r = 0·530, P = 0·004) and negatively correlated with HOMA‐IR (r = −0·628, P = 0·017) in the NAFLD obese group. Conclusion  This study reports the association between BMD‐SDS and insulin resistance in obese adolescents both with and without NAFLD, although the NAFLD group had a lower BMD‐SDS than the non‐NAFLD group. We suggest that NAFLD has a detrimental effect on bone health in adolescents, and it is correlated with increased insulin resistance.]]></description><identifier>ISSN: 0300-0664</identifier><identifier>EISSN: 1365-2265</identifier><identifier>DOI: 10.1111/j.1365-2265.2011.04038.x</identifier><identifier>PMID: 21521307</identifier><identifier>CODEN: CLECAP</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Adolescent ; Biological and medical sciences ; Bone Density ; Calcification, Physiologic ; Case-Control Studies ; Child ; Endocrinopathies ; Fatty Liver - complications ; Fatty Liver - physiopathology ; Female ; Fundamental and applied biological sciences. 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Patients and methods  Eighty‐two obese adolescents [45 girls and 37 boys, mean age: 12·3 ± 1·7 years, mean body mass index‐standard deviation score (BMI‐SDS): 1·9 ± 0·2] and 30 control subjects (15 girls and 15 boys, mean age: 12·3 ± 1·45 years, mean BMI‐SDS: 0·5 ± 0·7) were enrolled the study. The obese subjects were divided into two groups based on the presence or absence of liver steatosis with high transaminases (NAFLD group and non‐NAFLD group). Insulin resistance was evaluated by homeostasis model assessment (HOMA‐IR) from fasting samples. BMD was determined by dual‐energy X‐ray absorptiometry. Results  Fasting insulin levels in the NAFLD group were significantly higher than in the non‐NAFLD obese (32·3 ± 24·0 vs 11·02 ± 2·95 mU/l, P < 0·001) and control groups (8·4 ± 2·4 mU/l, P< 0·001). The NAFLD group had higher values of HOMA‐IR than the non‐NAFLD obese (7·3 ± 0·1 vs 2·3 ± 0·7, P < 0·001) and control groups (1·8 ± 0·5, P < 0·001). BMD‐SDS measurements were lower in the NAFLD group than in the non‐NAFLD (0·56 ± 0·3 vs 1·02 ± 0·9, P < 0·001) and control groups (0·56 ± 0·3 vs 1·37 ± 1·04, P < 0·001). BMD‐SDS was positively correlated with BMI‐SDS (r = 0·530, P = 0·004) and negatively correlated with HOMA‐IR (r = −0·628, P = 0·017) in the NAFLD obese group. Conclusion  This study reports the association between BMD‐SDS and insulin resistance in obese adolescents both with and without NAFLD, although the NAFLD group had a lower BMD‐SDS than the non‐NAFLD group. We suggest that NAFLD has a detrimental effect on bone health in adolescents, and it is correlated with increased insulin resistance.]]></description><subject>Adolescent</subject><subject>Biological and medical sciences</subject><subject>Bone Density</subject><subject>Calcification, Physiologic</subject><subject>Case-Control Studies</subject><subject>Child</subject><subject>Endocrinopathies</subject><subject>Fatty Liver - complications</subject><subject>Fatty Liver - physiopathology</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Insulin Resistance</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Metabolic diseases</subject><subject>Non-alcoholic Fatty Liver Disease</subject><subject>Obesity</subject><subject>Obesity - complications</subject><subject>Obesity - physiopathology</subject><subject>Risk Factors</subject><subject>Vertebrates: endocrinology</subject><issn>0300-0664</issn><issn>1365-2265</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp90kuP0zAQAOAIgdiy8BeQJYTgkjB2_EgPHFZlWZBWywW0EhfLTiZaF9de4qTb_nscWorEAV9sab7xa6YoCIWK5vFuXdFaipIxKSoGlFbAoW6q3aNicQo8LhZQA5QgJT8rnqW0BgDRgHpanDEqGK1BLYrtKg4DejO6GEjsiQtp8i6QhCG50W3duCcPbrwjNgYkGxdwMJ6k0YxTyphEiwmJ6aLH1GIY00GHGIxv4130riW9GfMu3m1xIJ1LaBI-L570xid8cZzPi28fL7-uPpXXX64-ry6uy5bzpilly0B2KJYMTbdEhrYXbQtge2XAAnBlbV3TXhjJO66Y7a1SoCyIVnEjWX1evDnsez_EnxOmUW9cvqf3JmCckm6UyOdQxbN8-19JgaplxgwyffUPXcdpyA_OSnDRNI2UNKuXRzXZDXb6fnAbM-z1n7_P4PURmNQa3w8mtC79dbwGyYTM7v3BPTiP-1Ocgp57Qa_1XHI9l1zPvaB_94Le6dXlzbzK-eUh36URd6d8M_zQUtVK6NubKy0-MN4sb79rqH8BB9C24A</recordid><startdate>201108</startdate><enddate>201108</enddate><creator>Pirgon, Ozgur</creator><creator>Bilgin, Huseyin</creator><creator>Tolu, Ismet</creator><creator>Odabas, Dursun</creator><general>Blackwell Publishing Ltd</general><general>Blackwell</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7QP</scope><scope>K9.</scope><scope>NAPCQ</scope><scope>7TS</scope><scope>7X8</scope></search><sort><creationdate>201108</creationdate><title>Correlation of insulin sensitivity with bone mineral status in obese adolescents with nonalcoholic fatty liver disease</title><author>Pirgon, Ozgur ; Bilgin, Huseyin ; Tolu, Ismet ; Odabas, Dursun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4488-6c206de592ead9e2ebf5cc00bf7a0b0047bb331f5a64d472bfb7707b05c74a623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Adolescent</topic><topic>Biological and medical sciences</topic><topic>Bone Density</topic><topic>Calcification, Physiologic</topic><topic>Case-Control Studies</topic><topic>Child</topic><topic>Endocrinopathies</topic><topic>Fatty Liver - complications</topic><topic>Fatty Liver - physiopathology</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Humans</topic><topic>Insulin Resistance</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Metabolic diseases</topic><topic>Non-alcoholic Fatty Liver Disease</topic><topic>Obesity</topic><topic>Obesity - complications</topic><topic>Obesity - physiopathology</topic><topic>Risk Factors</topic><topic>Vertebrates: endocrinology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pirgon, Ozgur</creatorcontrib><creatorcontrib>Bilgin, Huseyin</creatorcontrib><creatorcontrib>Tolu, Ismet</creatorcontrib><creatorcontrib>Odabas, Dursun</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>Calcium &amp; Calcified Tissue Abstracts</collection><collection>ProQuest Health &amp; Medical Complete (Alumni)</collection><collection>Nursing &amp; Allied Health Premium</collection><collection>Physical Education Index</collection><collection>MEDLINE - Academic</collection><jtitle>Clinical endocrinology (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pirgon, Ozgur</au><au>Bilgin, Huseyin</au><au>Tolu, Ismet</au><au>Odabas, Dursun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Correlation of insulin sensitivity with bone mineral status in obese adolescents with nonalcoholic fatty liver disease</atitle><jtitle>Clinical endocrinology (Oxford)</jtitle><addtitle>Clin Endocrinol (Oxf)</addtitle><date>2011-08</date><risdate>2011</risdate><volume>75</volume><issue>2</issue><spage>189</spage><epage>195</epage><pages>189-195</pages><issn>0300-0664</issn><eissn>1365-2265</eissn><coden>CLECAP</coden><abstract><![CDATA[Summary Aim  The aim of this study was to investigate the relationships between bone mineral density (BMD) vs insulin resistance and metabolic risk factors in obese adolescents with nonalcoholic fatty liver disease (NAFLD). Patients and methods  Eighty‐two obese adolescents [45 girls and 37 boys, mean age: 12·3 ± 1·7 years, mean body mass index‐standard deviation score (BMI‐SDS): 1·9 ± 0·2] and 30 control subjects (15 girls and 15 boys, mean age: 12·3 ± 1·45 years, mean BMI‐SDS: 0·5 ± 0·7) were enrolled the study. The obese subjects were divided into two groups based on the presence or absence of liver steatosis with high transaminases (NAFLD group and non‐NAFLD group). Insulin resistance was evaluated by homeostasis model assessment (HOMA‐IR) from fasting samples. BMD was determined by dual‐energy X‐ray absorptiometry. Results  Fasting insulin levels in the NAFLD group were significantly higher than in the non‐NAFLD obese (32·3 ± 24·0 vs 11·02 ± 2·95 mU/l, P < 0·001) and control groups (8·4 ± 2·4 mU/l, P< 0·001). The NAFLD group had higher values of HOMA‐IR than the non‐NAFLD obese (7·3 ± 0·1 vs 2·3 ± 0·7, P < 0·001) and control groups (1·8 ± 0·5, P < 0·001). BMD‐SDS measurements were lower in the NAFLD group than in the non‐NAFLD (0·56 ± 0·3 vs 1·02 ± 0·9, P < 0·001) and control groups (0·56 ± 0·3 vs 1·37 ± 1·04, P < 0·001). BMD‐SDS was positively correlated with BMI‐SDS (r = 0·530, P = 0·004) and negatively correlated with HOMA‐IR (r = −0·628, P = 0·017) in the NAFLD obese group. Conclusion  This study reports the association between BMD‐SDS and insulin resistance in obese adolescents both with and without NAFLD, although the NAFLD group had a lower BMD‐SDS than the non‐NAFLD group. We suggest that NAFLD has a detrimental effect on bone health in adolescents, and it is correlated with increased insulin resistance.]]></abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>21521307</pmid><doi>10.1111/j.1365-2265.2011.04038.x</doi><tpages>7</tpages></addata></record>
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ispartof Clinical endocrinology (Oxford), 2011-08, Vol.75 (2), p.189-195
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1365-2265
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source Wiley-Blackwell Read & Publish Collection
subjects Adolescent
Biological and medical sciences
Bone Density
Calcification, Physiologic
Case-Control Studies
Child
Endocrinopathies
Fatty Liver - complications
Fatty Liver - physiopathology
Female
Fundamental and applied biological sciences. Psychology
Humans
Insulin Resistance
Male
Medical sciences
Metabolic diseases
Non-alcoholic Fatty Liver Disease
Obesity
Obesity - complications
Obesity - physiopathology
Risk Factors
Vertebrates: endocrinology
title Correlation of insulin sensitivity with bone mineral status in obese adolescents with nonalcoholic fatty liver disease
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