Digital twins, virtual replicas of physical entities, are gaining prominence in various fields, from avatars in virtual meetings to digital representations of sneakers. However, one emerging application of this technology has the potential to save lives in the healthcare sector. The global market for digital twins in healthcare is projected to reach $21.1 billion by 2028, up from $1.6 billion in 2023. This forecast has attracted significant interest from startups, government agencies, and academic institutions, which are investing heavily in its development.
At Johns Hopkins University, a team of researchers is developing digital twins of human hearts, specifically focusing on patients with severe arrhythmias. The process begins with a cardiac MRI to obtain detailed images of the patient's heart. These images are then processed using artificial intelligence to create a three-dimensional reconstruction of the organ, including scars and damaged cells. This virtual heart model is populated with virtual cells capable of simulating electrical signals and heartbeats. With this technology, doctors can predict the onset of irregular heart rhythms and plan surgical procedures or treatments with greater accuracy.
Diverse Applications of Digital Twins in Medicine
The use of digital twins in medicine is not limited to the heart. Researchers at Columbia University are working on creating digital twins of uteruses and cervixes to predict the course of pregnancies and, potentially, prevent premature births. Additionally, the National Cancer Institute is developing digital twins of cancer patients to anticipate how different types of cancer will respond to treatments. Similarly, the Cleveland Clinic is using this technology to analyze population health and address health disparities based on geographic location.
The vision of a future where everyone has their own digital twin represents a radical shift in personalized medicine. These virtual models could enable clinical trials without risk to patients, predict complications before surgery, and possibly, in an ideal scenario, even receive vaccines on our behalf. As digital twin technology advances, it paves the way for an era where disease prevention and treatment can be anticipated with unprecedented accuracy, offering new hope for modern medicine.