Driven by the unprecedented challenges of the COVID-19 pandemic, the healthcare sector has witnessed remarkable—and at times sometimes overwhelming—advancements in the role of artificial intelligence (AI) []. The pandemic underscored the urgent need to enhance health systems and better manage healthcare data, prompting a surge in the development and application of AI technologies []. From tracking disease outbreaks to optimizing patient care and managing hospital resources, AI has emerged as a critical tool in reshaping health systems, especially in times of crisis [].
The pandemic has highlighted both the potential and the complexities of integrating AI into healthcare []. The rapid shift toward digital health solutions has accelerated the adoption of technologies that were previously seen as futuristic, making them vital to the global response to the health crisis []. Innovations such as wearable health monitoring, big data analysis, and robotic surgery have played key roles in addressing the immediate demands of the pandemic [,]. The range of AI applications [] that emerged during this period is broad, including diagnostics for organ and tissue conditions, care robotics for rehabilitation and disability support, biomedicine encompassing genetics and modeling, and precision medicine that tailors treatments to individuals’ genetic profiles.
As Henry Ford famously stated, “Real progress happens only when the advantages of a new technology become available to everybody”. The COVID-19 pandemic has brought this statement into sharp focus, as the world has recognized the importance of ensuring that the benefits of AI and digital health advancements are accessible to all, regardless of geography or socioeconomic status []. AI in healthcare is not merely a technological leap; it represents a critical pathway toward equitable healthcare for all.
The integration of AI in healthcare systems is designed to enhance care quality and promote equity. Its influence will extend far beyond immediate health crises, shaping the future of disease prevention, personal care delivery, and the management of healthcare systems. In particular, AI holds the potential to impact the prevention of diseases at both the individual and societal levels, offering insights into disease prediction, monitoring, and personalized treatment options. The integration of AI with other technologies and solutions [,], such as robotics and virtual and augmented reality, could create a new era of accessible virtual healthcare services and further enhance the precision and safety of robotic surgeries.
To address these challenges, a comprehensive Topic [] was proposed, which included research published in several prominent journals, such as Healthcare, Applied Sciences, AI, Bioengineering, JCM, and IJERPH. This Topic aims to provide a thorough exploration of AI’s role in transforming healthcare systems, spanning from scientific advancements to real-world applications. It also focuses on critical ethical and training considerations, encouraging researchers and practitioners to consider how AI can be deployed responsibly and effectively. In this editorial, we will present the results and key findings from the research collected in this Topic, highlighting the significant progress made in AI applications and their implications for the future of public health.
Thanks to the contribution of numerous international research groups, this Topic has reached 26 publications in addition to this concluding editorial. As shown in Figure 1, sixteen articles (AR) [,,,,,,,,,,,,,,,]; seven reviews including two systematic reviews [,,,,,,]; one technical note (TN) []; one perspective (P) []; and one editorial (ED) [] presenting the project have been published.
Figure 1.
Number and types of publications contributed to the Topic (articles—AR, reviews—R, technical notes—TN, perspectives—P, systematic reviews—SR, editorials—ED).
- Contributions of Studies
Table 1 synthesizes the contributions of the studies included in this Topic.
Table 1.
Summary of the articles published in this Topic.
The integration of artificial intelligence (AI) and machine learning (ML) has become increasingly important in improving healthcare systems. Studies [,,,,,,,,,,,,,,,] illustrate diverse applications across various domains, from predicting patient outcomes to optimizing diagnostic accuracy and enhancing healthcare management.
One significant area of development is the use of AI for predicting patient outcomes. For example, ref. [] investigates delayed treatment behavior in oral cancer patients in Western China, using ML models to predict delays and identify risk factors. Similarly, ref. [] applies ML models to predict mortality risk in emergency department patients based on routine clinical data, aiming to enhance patient triage and prioritization. Both studies demonstrate how AI can support more effective and timely predictions, potentially saving lives by allowing clinicians to intervene earlier. These studies highlight the growing role of AI in supporting medical decision-making and resource allocation.
Medical image analysis also shows promising results, particularly for detecting and classifying diseases. For instance, ref. [] explores the use of radiomics and AI to predict progression-free survival in high-grade glioma patients, while ref. [] introduces a dual deep convolutional neural network (DCNN) model to classify brain tumors in MRI scans. By analyzing medical images using AI, clinicians can obtain more precise, personalized treatment plans. Likewise, ref. [] enhances brain tumor detection through an improved Fuzzy C-Means algorithm, further underscoring AI’s potential in improving diagnostic accuracy and early detection. AI-powered diagnostic tools are crucial in improving patient outcomes by enabling earlier intervention and more accurate treatment strategies.
The role of AI in mental health and well-being is another key area that is explored. The authors of [] propose an AI system to automate mental health evaluations and generate personalized medical advice, highlighting AI’s potential in streamlining assessments and offering tailored treatment options. Moreover, ref. [] investigates the use of a virtual companion for people with dementia in long-term care, which uses AI-driven interactions to reduce loneliness and promote meaningful social engagement. Both studies emphasize AI’s ability to provide personalized, patient-centered care in mental health.
AI’s impact on public health surveillance is also noteworthy. The authors of [] explore the use of AI and deep learning models like YOLOv8 for real-time tracking of disease transmission in indoor spaces, improving public health monitoring. This is complemented by [], which examines the impact of COVID-19 on emergency medical services in Kazakhstan, revealing shifts in healthcare service demand during and after the pandemic. Both studies demonstrate how AI can optimize healthcare responses during health crises and assist in epidemiological monitoring.
Additionally, AI for resource management in healthcare systems is addressed in studies like [], which uses ML models to predict the length of stay in pediatric intensive care units, and [], which applies ensemble ML models to predict injuries from the National Electronic Injury Surveillance System dataset. These studies highlight how AI can improve operational efficiency, resource allocation, and decision-making in healthcare settings.
AI’s role in improving diagnostic accuracy is examined in [], which compares the diagnostic accuracy of Google and ChatGPT 3.5 for urological conditions, showing that ChatGPT 3.5 outperforms Google for common conditions. Similarly, ref. [] discusses AI’s role in summarizing scientific research for public health applications, demonstrating its potential in assisting researchers with literature reviews and scientific writing. The authors of [] present the DLShelper tool, which enhances the segmentation of lesions in CT images, aiding in more accurate COVID-19 diagnoses.
Overall, these studies collectively demonstrate AI’s transformative potential across various healthcare domains, from improving diagnostic accuracy and predicting patient outcomes to optimizing resource management. As AI continues to evolve, it offers promising solutions to address challenges in patient care, health management, and public health, providing a foundation for more efficient and personalized healthcare systems.
- Contribution of Review Studies
Table 2 presents a summary of the review studies included in this Topic.
Table 2.
Summary of the reviews published in this Topic.
These studies explore a range of AI applications in different healthcare fields, demonstrating the transformative potential of these technologies across diverse medical specialties.
The review on artificial intelligence in cytopathology [] provides an umbrella review that assesses the integration of AI into cytopathology, focusing on how it can improve diagnostic accuracy and operational efficiency. AI’s ability to automate processes, reduce diagnostic errors, and enhance patient outcomes is explored, although challenges such as high implementation costs and algorithmic biases remain.
The systematic review on Generative Adversarial Networks (GANs) in head and neck surgery [] investigates how GANs, which can generate new data from existing data, are used in craniofacial surgery. It identifies their potential to enhance diagnostic imaging, surgical planning, and post-operative predictions, particularly in treating complex conditions like craniosynostosis and bone defects.
Mobile and domiciliary radiology with AI integration is investigated in the overview reported in [] that discusses the growing role of mobile radiology and AI in improving healthcare access, especially in rural and underserved areas. AI-powered diagnostic tools and mobile X-ray units, particularly in breast cancer screening, have been transformative in domiciliary radiology, making it an essential service post-COVID-19.
The systematic review on AI chatbots in women’s health [] instigates how AI-powered chatbots are used to improve mental health, health behaviors, and preconception care among women. This study emphasizes the effectiveness of these chatbots in addressing mental health issues such as anxiety and depression, and how they offer a scalable, cost-effective solution for women’s health, particularly in remote or underserved areas.
The review on AI and language models in cardiology [] explores the use of generative AI, such as ChatGPT-4, in cardiology, focusing on how these tools can assist in diagnosing heart disease, recommending treatment plans, and automating administrative tasks. It underscores the benefits of AI in improving efficiency and diagnostic accuracy, but also highlights concerns like outdated data and the loss of human empathy in patient care.
The review on AI in teledermatology [] examines how AI is enhancing teledermatology, particularly in remote skin condition diagnosis. This review highlights AI’s role in increasing accessibility, reducing healthcare costs, and improving diagnosis efficiency. However, it also calls for better app design, cybersecurity, and regulatory frameworks to ensure that AI applications are safely implemented.
The review on machine learning in domestic violence detection [] explores how machine learning algorithms are being used to detect early signs of domestic violence by analyzing digital data. This review identifies the potential of ML in predicting domestic violence and enhancing early intervention, but it also acknowledges challenges related to data quality and algorithmic biases.
Overall, these studies collectively emphasize how AI and machine learning are revolutionizing various aspects of healthcare, from diagnostics and treatment planning to improving access to care. The common message across all these studies is that AI is becoming a powerful tool in medical fields, enhancing efficiency, improving patient outcomes, and addressing healthcare inequalities. However, challenges such as data privacy, algorithmic bias, and integration with existing systems need to be carefully addressed to fully realize the potential of these technologies.
- Contribution of Other Studies
Table 3 presents a summary of other studies published in this Topic.
Table 3.
Summary of other studies published in this Topic.
The two studies presented in Table 3 focus on the application of AI in healthcare and environmental research.
Machine learning for effective dose calculation is investigated in a technical note [], exploring how ML algorithms can predict organ doses and effective dose conversion coefficients (DCCs) for anthropomorphic phantoms. Traditionally, these calculations are performed using Monte Carlo methods, which are time-consuming. By training ML models like XGB, GB, and Extra Trees regressor on Monte Carlo datasets, the authors demonstrate that ML can predict doses efficiently, providing a faster alternative. This approach offers a solution to the time and expertise required for traditional methods, contributing to personalized dosimetry in radiation protection.
Neural network models for causal variable analysis in medical and climatic studies are investigated in a perspective [], presenting a neural network-based method to analyze non-linear systems with small datasets, focusing on identifying causal variables in medical and climate research. The methodology helps predict future trends, particularly in cancer studies. This approach is valuable for medical research with limited data and provides insights into causal relationships. This study’s contribution lies in improving predictions and understanding complex factors, which could influence cancer treatment and other medical applications. Both studies demonstrate the potential of AI to improve efficiency and accuracy in healthcare and research, offering practical solutions and insights for better decision-making and predictions.
- Conclusions and message for future work
The studies reviewed here highlight the increasing role of artificial intelligence (AI), and, in particular, machine learning (ML), in advancing healthcare practices, particularly in diagnostic accuracy, treatment planning, and personalized medicine. In various medical fields, such as radiology, cardiology, dermatology, and domestic violence detection, AI and ML are improving the efficiency, accuracy, and accessibility of healthcare services. These innovations not only enhance diagnostic precision but also contribute to reducing operational costs, optimizing workflows, and fostering personalized approaches to care, especially for underserved populations.
A recurring theme across these studies is the importance of integrating AI and ML technologies into existing healthcare frameworks. This involves addressing challenges related to data quality, algorithmic biases, and clinical workflow integration, ensuring that these technologies are both clinically and ethically appropriate. Additionally, the need for rigorous validation, regulatory frameworks, and ongoing assessment remains central to their responsible use in healthcare.
The studies on mobile and domiciliary radiology and AI chatbots for women’s health, in particular, highlight the potential of these technologies to bridge gaps in healthcare access. By leveraging mobile devices and telemedicine platforms, AI innovations can improve healthcare access in rural or underserved regions, thereby improving health outcomes and promoting equity.
Despite promising results, significant challenges remain. The adoption of AI and ML tools in healthcare requires careful consideration of technical constraints, such as the need for larger and more diverse datasets, and ethical concerns, including data privacy, security, and bias mitigation. Comprehensive training for healthcare professionals is also essential to ensure they can effectively use AI tools in clinical decision-making.
Future work should focus on the following areas:
- Expanding datasets to improve the accuracy and generalizability of AI/ML models across different healthcare populations and settings.
- Developing interdisciplinary frameworks for better integration of AI solutions into clinical contexts, addressing ethical concerns, and ensuring equity.
- Exploring AI’s potential in less-explored areas, such as mental health, long-term disease management, and healthcare logistics.
- Enhancing regulatory frameworks to keep pace with the rapid development of AI/ML technologies, ensuring safe and responsible implementation.
- Promoting the development of user-friendly AI tools that clinicians can adopt without disrupting existing workflows.
In conclusion, while AI and ML have the potential to revolutionize healthcare, their integration must be approached with care, balancing technological innovation with patient safety, ethics, and equity. Future work should focus on overcoming existing barriers and optimizing AI solutions for real-world clinical applications.
Conflicts of Interest
The authors declare no conflict of interest.
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