JoVE - Journal of Visualized Experiments
JoVE Visualize
Contact Us

Sarcopenia Predicts Outcomes After Lung Transplantation in Older Lung Transplant Candidates

  • 0Department of Radiology, David Geffen School of Medicine at UCLA, Los Angeles, California.
Annals of Thoracic Surgery Short Reports +

|

January 10, 2025

|

January 10, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

Objective evaluation of aging is crucial for lung transplantation (LT) in older adults. Sarcopenia, a measure of muscle loss, correlates with frailty and impacts post-LT hospital stay, aiding risk stratification.

Area Of Science

  • Gerontology
  • Transplantation Medicine
  • Radiology

Background

  • Lung transplantation (LT) is increasingly performed in older recipients.
  • Objective methods to assess aging are needed to optimize post-LT outcomes.
  • Frailty and sarcopenia show promise in predicting clinical outcomes.

Purpose Of The Study

  • To evaluate sarcopenia and frailty as objective measures of aging in older lung transplant candidates.
  • To determine the association between sarcopenia, frailty, and post-transplantation outcomes.

Main Methods

  • Eighty-four patients over 55 undergoing LT evaluation were enrolled.
  • Sarcopenia was assessed using pre-transplantation chest CT scans (pectoralis major muscle area and attenuation).
  • Frailty was measured using the Fried Frailty Phenotype (FFP) and Short Performance Physical Battery (SPPB).

Main Results

  • 63% of patients were frail/prefrail by SPPB; 53% by FFP.
  • Sarcopenia correlated with frailty (FFP: P=.004; SPPB: P=.044).
  • Sarcopenia was significantly associated with shorter length of stay (median 12 vs. 21 days) and reduced total hospital time in the first year post-LT.

Conclusions

  • A comprehensive evaluation including sarcopenia and frailty can improve risk stratification in older LT candidates.
  • Optimizing organ allocation based on these assessments can enhance LT outcomes.