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Palliative care referrals in patients with pulmonary arterial hypertension: The Pulmonary Hypertension Association Registry

Published:November 29, 2022DOI:https://doi.org/10.1016/j.rmed.2022.107066

      Highlights

      • Palliative care referrals for patients with PAH described in a national registry.
      • Patients with PAH are referred infrequently and late to palliative care.
      • Age, BMI, oxygen, parenteral prostanoid, SF-12 correlated with referral.

      Abstract

      Background

      Pulmonary arterial hypertension (PAH) is a life limiting disease with substantial symptom burden and healthcare utilization. Palliative care alleviates physical and emotional symptoms for patients with serious illness, and has been underutilized for these patients.

      Objective

      To characterize patients with PAH referred to palliative care and identify predictors of referral.

      Methods

      We conducted an observational study of adult patients enrolled in the Pulmonary Hypertension Association Registry from January 2015 through June 2021, performing descriptive statistics on patient characteristics at baseline for all patients and the subset referred to palliative care. These characteristics were modeled in a backwards elimination Cox regression with time to referral to palliative care as the primary outcome.

      Results

      92 of 1,578 patients were referred to palliative care (5.8%); 43% were referred at their last visit prior to death. Referrals were associated with increasing age per decade (hazard ratio 1.35 [95% confidence interval 1.16–1.58]), lower body mass index (hazard ratio 0.97 [95% confidence interval 0.94–0.998]), supplemental oxygen use (hazard ratio 2.01 [95% confidence interval 1.28–3.16]), parenteral prostanoid use (hazard ratio 2.88 [95% confidence interval 1.84–4.51]), and worse quality of life, measured via lower physical (hazard ratio 0.97 [95% confidence interval 0.95–0.99]) and mental (hazard ratio 0.98 [95% confidence interval 0.96–0.995]) scores on the 12-item Short Form Health Survey.

      Conclusion

      Patients with PAH are infrequently referred to palliative care, even at centers of excellence. Referrals occur in sicker patients with lower quality of life scores, often close to the end of life.

      Keywords

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