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A nonlinear relationship between visceral adipose tissue and frailty in adult lung transplant candidates.

Publication ,  Journal Article
Anderson, MR; Kolaitis, NA; Gao, Y; Kukreja, J; Greenland, J; Hays, S; Wolters, P; Golden, J; Diamond, J; Palmer, S; Arcasoy, S; Udupa, J ...
Published in: Am J Transplant
November 2019

Frailty is a state of decreased physiologic reserve associated with poor outcomes before and after lung transplantation. Obesity, particularly central obesity characterized by excess proinflammatory visceral adipose tissue (VAT), is associated with incident frailty in middle-aged and older adults. The association between VAT and frailty in advanced lung disease, however, is unknown. In two, nonoverlapping multicenter cohorts of adults listed for lung transplantation, we measured VAT area on bioelectrical impedance assay (BIA) in one cohort and cross-sectional VAT and subcutaneous adipose tissue (SAT) areas on abdominal computed tomography (CT) in the other. We identified a nonlinear relationship between greater VAT by BIA and frailty. In fully adjusted piecewise regression models, every 20 cm2 increase in VAT area was associated with 50% increased odds of frailty in subjects with high VAT (95% CI 1.2-1.9, P < .001), and 10% decreased odds of frailty (95% CI 0.7-1.04, P = .12) in subjects with low VAT. Compared to frail subjects with low VAT, those with high VAT were more likely to have low grip strength and less likely to have weight loss, suggesting that mechanisms of frailty may differ by VAT. Further investigation of mechanisms linking VAT and frailty may identify new targets for prevention and treatment.

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Published In

Am J Transplant

DOI

EISSN

1600-6143

Publication Date

November 2019

Volume

19

Issue

11

Start / End Page

3155 / 3161

Location

United States

Related Subject Headings

  • United States
  • Tomography, X-Ray Computed
  • Surgery
  • Subcutaneous Fat
  • Risk Factors
  • Prospective Studies
  • Prognosis
  • Obesity, Abdominal
  • Middle Aged
  • Male
 

Citation

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Anderson, M. R., Kolaitis, N. A., Gao, Y., Kukreja, J., Greenland, J., Hays, S., … Singer, J. P. (2019). A nonlinear relationship between visceral adipose tissue and frailty in adult lung transplant candidates. Am J Transplant, 19(11), 3155–3161. https://doi.org/10.1111/ajt.15525
Anderson, Michaela R., Nicholas A. Kolaitis, Ying Gao, Jasleen Kukreja, John Greenland, Steven Hays, Paul Wolters, et al. “A nonlinear relationship between visceral adipose tissue and frailty in adult lung transplant candidates.Am J Transplant 19, no. 11 (November 2019): 3155–61. https://doi.org/10.1111/ajt.15525.
Anderson MR, Kolaitis NA, Gao Y, Kukreja J, Greenland J, Hays S, et al. A nonlinear relationship between visceral adipose tissue and frailty in adult lung transplant candidates. Am J Transplant. 2019 Nov;19(11):3155–61.
Anderson, Michaela R., et al. “A nonlinear relationship between visceral adipose tissue and frailty in adult lung transplant candidates.Am J Transplant, vol. 19, no. 11, Nov. 2019, pp. 3155–61. Pubmed, doi:10.1111/ajt.15525.
Anderson MR, Kolaitis NA, Gao Y, Kukreja J, Greenland J, Hays S, Wolters P, Golden J, Diamond J, Palmer S, Arcasoy S, Udupa J, Christie JD, Lederer DJ, Singer JP. A nonlinear relationship between visceral adipose tissue and frailty in adult lung transplant candidates. Am J Transplant. 2019 Nov;19(11):3155–3161.
Journal cover image

Published In

Am J Transplant

DOI

EISSN

1600-6143

Publication Date

November 2019

Volume

19

Issue

11

Start / End Page

3155 / 3161

Location

United States

Related Subject Headings

  • United States
  • Tomography, X-Ray Computed
  • Surgery
  • Subcutaneous Fat
  • Risk Factors
  • Prospective Studies
  • Prognosis
  • Obesity, Abdominal
  • Middle Aged
  • Male