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Am J Respir Crit Care Med. 2016 Mar 15;193(6):681-8. doi: 10.1164/rccm.201507-1279OC.

Short Stature and Access to Lung Transplantation in the United States. A Cohort Study.

Author information

1
1 Department of Medicine.
2
2 Department of Surgery, and.
3
3 Children's Hospital of Philadelphia, Philadelphia, Pennsylvania; and.
4
4 New York Presbyterian Hospital, New York, New York.
5
5 Department of Epidemiology, Columbia University Medical Center, New York, New York.

Abstract

RATIONALE:

Anecdotally, short lung transplant candidates suffer from long waiting times and higher rates of death on the waiting list compared with taller candidates.

OBJECTIVES:

To examine the relationship between lung transplant candidate height and waiting list outcomes.

METHODS:

We conducted a retrospective cohort study of 13,346 adults placed on the lung transplant waiting list in the United States between 2005 and 2011. Multivariable-adjusted competing risk survival models were used to examine associations between candidate height and outcomes of interest. The primary outcome was the time until lung transplantation censored at 1 year.

MEASUREMENTS AND MAIN RESULTS:

The unadjusted rate of lung transplantation was 94.5 per 100 person-years among candidates of short stature (<162 cm) and 202.0 per 100 person-years among candidates of average stature (170-176.5 cm). After controlling for potential confounders, short stature was associated with a 34% (95% confidence interval [CI], 29-39%) lower rate of transplantation compared with average stature. Short stature was also associated with a 62% (95% CI, 24-96%) higher rate of death or removal because of clinical deterioration and a 42% (95% CI, 10-85%) higher rate of respiratory failure while awaiting lung transplantation.

CONCLUSIONS:

Short stature is associated with a lower rate of lung transplantation and higher rates of death and respiratory failure while awaiting transplantation. Efforts to ameliorate this disparity could include earlier referral and listing of shorter candidates, surgical downsizing of substantially oversized allografts for shorter candidates, and/or changes to allocation policy that account for candidate height.

KEYWORDS:

body height; health services accessibility; healthcare disparity; outcome assessment

PMID:
26554631
PMCID:
PMC5440846
DOI:
10.1164/rccm.201507-1279OC
[Indexed for MEDLINE]
Free PMC Article

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