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Updated: Jun 2, 2026
11:52
Temporal Ordering of Dynamic Expression Data from Detailed Spatial Expression Maps
Published on: February 9, 2017
Mapping Temporal Dynamics in Hospice Research: A Topic Modeling Analysis of PubMed Abstracts.
Minsung Kim1,2, Mijin Bae1,2, Hana Lee1,3
1College of Nursing, Seoul National University, Seoul, Republic of Korea.
Journal of Palliative Medicine
|June 1, 2026
Summary
Hospice care research has evolved, with topics shifting towards applied and policy-focused themes. Future research should address underserved areas to improve end-of-life care equity.
Area of Science:
- Gerontology
- Palliative Care
- Health Services Research
Background:
- Hospice care has seen significant expansion.
- Limited research exists on the evolution of hospice care research themes over time.
Purpose of the Study:
- To explore the temporal dynamics of hospice care research.
- To identify emerging and declining research areas using topic modeling.
Main Methods:
- Analyzed 14,862 hospice articles from PubMed (up to April 2025).
- Employed Latent Dirichlet Allocation for topic modeling.
- Assessed temporal trends across four periods: Foundation, Expansion, Institutionalization, and Post-pandemic Transition.
Main Results:
- Identified ten key research topics: caregiver support, advance care planning, access to care, and mortality trends.
- Observed a shift in topic prevalence over time.
- Noted increased focus on caregiver support and advance care planning during Expansion and Institutionalization.
- Found heightened attention to access to care and mortality trends in the Post-pandemic Transition period.
Conclusions:
- Hospice research has transitioned from foundational to applied, policy-oriented themes.
- The findings indicate the field's increasing institutionalization.
- Emphasizes the need for research in underserved areas to enhance end-of-life care equity and responsiveness.
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