Upper trunk fat assessment and its relationship with metabolic and biochemical variables and body fat in polycystic ovary syndrome: Upper trunk fat in PCOS
Abstract
BACKGROUND: Fat accumulation in the upper region of the body is common in polycystic ovary syndrome (PCOS) and is associated with metabolic complications. The present study aimed to assess the relationship between trunk circumference, metabolic indicators, and abdominal and visceral fat in obese PCOS women. METHODS: The weight, fat mass, and subcutaneous arm fat (SAF) of 30 obese PCOS women and 15 healthy controls matched for age and body mass index were evaluated by bioelectrical impedance analysis. Trunk (TrC), neck (NC) and hip circumferences were measured, and the trunk/hip (Tr/H) ratio was determined. Total abdominal fat (TAF), visceral fat (VF) and trunk fat (TrF) were determined by computed tomography. Biochemical evaluation included glycaemia, insulinaemia, testosterone and lipid profile, insulin resistance (IR) was assessed by the QUICKI index. RESULTS: In the PCOS group, there were positive correlations between NC and TAF (r = 0.49, P < 0.0006), TrC and VF (r = 0.62, P = 0.01), and NC and VF (r = 0.70, P < 0.0002). There was good correlation between TrC and TrF (r = 0.69, P = 0.003). TrF correlated with triglycerides levels positively (r = 0.44, P = 0.02). Women with PCOS and IR had a larger quantity of VF and TrF, but a smaller amount of SAF. Within the PCOS group, women with Tr/H ratio above the median had higher basal insulin levels and lower QUICKI indices compared to women presenting a Tr/H ratio below the median. CONCLUSIONS: TrC is associated with important metabolic variables in PCOS, proving to be a valuable and innovative tool for assessment of body adiposity distribution in obese PCOS women.
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Penaforte et al. reported that women with insulin-resistant PCOS, defined by QUICKI, had higher amounts of visceral and trunk abdominal fat, as measured by CT, than non-insulin-resistant women.
“Consistent with these findings, Penaforte et al. reported that women with insulin-resistant PCOS, as defined by QUICKI, had higher amounts of visceral and trunk abdominal fat, as measured by CT, than non-insulin-resistant women [34].”
From PCOS and nutritional approaches: Differences between lean and obese phenotype (2021) · cites this paper as [34]
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- Authors
- Penaforte, F. R. O., Japur, C. C., Diez-Garcia, R. W., & Chiarello, P. G.
- Affiliations
- Universidade de São Paulo (BR)
- Corresponding author
- Penaforte, F. R. O.
- ORCID
- Chiarello, P. G.
- Venue
- Journal of Human Nutrition and Dietetics
- Publisher
- Wiley
- Published
- 2011-01-06
- Volume
- 24
- Issue
- 1
- Pages
- 39-46
- ISSN
- 0952-3871 (ISSN-L)
- OpenAlex
- W1839219219
- Cited by
- 35
- References
- 55
- Citations by year
- 2026: 1 · 2025: 1 · 2024: 3 · 2021: 7 · 2020: 1 · 2019: 4 · 2018: 3 · 2017: 2 · 2015: 3 · 2014: 2 · 2013: 3 · 2012: 5
- FWCI
- 3.59
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Human Nutrition and Dietetics (publishedVersion)
- PubMed (publishedVersion)
- Scientific Electronic Library Online (São Paulo Research Foundation, Latin American and Caribbean Center on Health Sciences Information, Conselho Nacional de Desenvolvimento Científico e Tecnológico) (publishedVersion)
- Topics
- Health Sciences › Medicine › Reproductive Medicine › Ovarian function and disorders
- Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
- Health Sciences › Medicine › Physiology › Body Composition Measurement Techniques
- Keywords
- polycystic ovary syndrome, trunk fat, trunk circumference, visceral fat, abdominal fat, insulin resistance, QUICKI, obesity, triglycerides, insulin, testosterone, lipid profile
- MeSH terms
- Adipose Tissue, Adult, Body Composition, Female, Humans, Insulin, Obesity, Polycystic Ovary Syndrome, Risk Factors, Triglycerides, Case-Control Studies, Electric Impedance, Young Adult
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