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Near-End-of-Life Trajectory in Patients with Advanced Lung Cancer.

Naoki Kinoshita1, Mitsuhiro Yamamoto2, Tomoyuki Ikeuchi2

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Summary
This summary is machine-generated.

Performance status is crucial for palliative care. This study found hypercalcinemia and low Karnofsky Performance Status (KPS) significantly predict shorter life expectancy in advanced lung cancer patients.

Keywords:
Karnofsky Performance Statusend of lifehypercalcinemiapalliative careprognosis

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Area of Science:

  • Palliative Care
  • Oncology
  • Prognostic Biomarkers

Background:

  • Performance status is a key prognostic indicator in palliative care.
  • Advanced lung cancer patients admitted for performance status decline require accurate life expectancy prediction.
  • Identifying prognostic factors is essential for optimizing end-of-life care.

Purpose of the Study:

  • Investigate prognosis in advanced lung cancer patients with deteriorated performance status.
  • Evaluate the predictive utility of performance status for life expectancy.
  • Identify prognostic factors using Bayesian proportional hazards models.

Main Methods:

  • Prospective observational cohort study of 92 advanced lung cancer patients.
  • Measured Performance Status, Palliative Performance Scale, Karnofsky Performance Status (KPS), Palliative Prognostic Index, and biochemistry.
  • Utilized Bayesian proportional hazards models, selecting the final model via Watanabe-Aike Information Criteria (WAIC).

Main Results:

  • Median survival was 25 days.
  • Hypercalcinemia (HR 5.37) and low KPS (HR 1.77) were independent predictors of shorter survival.
  • An M-spline proportional hazards model was selected as the final prognostic model.

Conclusions:

  • Hypercalcinemia and KPS are valuable for predicting near-end-of-life prognosis in terminally ill advanced lung cancer patients.
  • Performance status assessment, including KPS, aids in end-of-life care planning.