A Survey on Medical Large Language Models: Technology, Application, Trustworthiness, and Future Directions
CoRR(2024)
Abstract
Large language models (LLMs), such as GPT series models, have received
substantial attention due to their impressive capabilities for generating and
understanding human-level language. More recently, LLMs have emerged as an
innovative and powerful adjunct in the medical field, transforming traditional
practices and heralding a new era of enhanced healthcare services. This survey
provides a comprehensive overview of Medical Large Language Models (Med-LLMs),
outlining their evolution from general to the medical-specific domain (i.e,
Technology and Application), as well as their transformative impact on
healthcare (e.g., Trustworthiness and Safety). Concretely, starting from the
fundamental history and technology of LLMs, we first delve into the progressive
adaptation and refinements of general LLM models in the medical domain,
especially emphasizing the advanced algorithms that boost the LLMs' performance
in handling complicated medical environments, including clinical reasoning,
knowledge graph, retrieval-augmented generation, human alignment, and
multi-modal learning. Secondly, we explore the extensive applications of
Med-LLMs across domains such as clinical decision support, report generation,
and medical education, illustrating their potential to streamline healthcare
services and augment patient outcomes. Finally, recognizing the imperative and
responsible innovation, we discuss the challenges of ensuring fairness,
accountability, privacy, and robustness in Med-LLMs applications. Finally, we
conduct a concise discussion for anticipating possible future trajectories of
Med-LLMs, identifying avenues for the prudent expansion of Med-LLMs. By
consolidating above-mentioned insights, this review seeks to provide a
comprehensive investigation of the potential strengths and limitations of
Med-LLMs for professionals and researchers, ensuring a responsible landscape in
the healthcare setting.
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