The smartwatches that can predict Parkinson's disease

Smartwatches are becoming increasingly important in the field of healthcare, as they can collect a wealth of data about our bodies. This technology is being utilized in innovative ways to help doctors and patients alike. For instance, at CHUV University Hospital, Patrick Schoettker, the chief anaesthesiologist, is leading a trial that involves patients wearing a smartwatch called the Masimo W1 before their surgery. This smartwatch continuously monitors vital signs such as heart rate, respiration rate, blood oxygen levels, and hydration. By gathering this information weeks before surgery, doctors can better assess a patient's health and identify any potential risks. Schoettker refers to the data collected as a 'digital twin,' which provides a comprehensive view of a patient's physiological state. This approach aims to reduce the likelihood of complications during surgery, which can arise from undetected health issues. The smartwatch market is booming, with predictions that millions of devices will be sold worldwide in the coming years. Companies like Apple, Samsung, and Fitbit are developing smartwatches that can track various health metrics, including sleep quality, blood pressure, and heart rhythm. Some of these devices are even capable of detecting early signs of Parkinson's disease, potentially up to seven years before a formal diagnosis is made. This capability is groundbreaking, as it allows for earlier intervention and treatment. Gosia Wamil, a consultant cardiologist at Mayo Clinic Healthcare, emphasizes the importance of smartwatch data in identifying health problems. Patients are increasingly willing to use their smartwatches to gather health information and share it with their doctors. This collaboration enables doctors to investigate any abnormalities and take appropriate action. For example, recent studies have shown that electrocardiogram (ECG) readings from smartwatches can reliably identify irregular heartbeats in individuals aged 50 to 70. These irregularities can be indicative of more serious conditions, such as atrial fibrillation, which can lead to strokes if left untreated. The integration of machine learning and smartwatch data is proving to be revolutionary for patients with heart conditions. Wamil notes that patients can now record their ECG whenever they experience symptoms, providing valuable information for their doctors. This advancement allows for more timely and effective treatment, such as prescribing blood thinners to prevent strokes. Furthermore, researchers are exploring how smartwatch data can help prevent cardiovascular complications in patients with type 2 diabetes. Wamil explains that individuals with diabetes are at a higher risk of developing heart problems, and early detection of these issues could significantly improve patient outcomes. The potential applications of smartwatches extend beyond heart health. A recent study from Cardiff University revealed that smartwatches could identify signs of Parkinson's disease by analyzing walking patterns. The study involved over 100,000 participants who wore smartwatches for a week. Researchers found that subtle changes in movement could indicate the early stages of Parkinson's disease, even before a clinical diagnosis is made. Cynthia Sandor, who led the study, believes that combining motion data with other smartwatch measurements, such as sleep quality, could enhance early detection efforts. This could lead to more effective clinical trials and treatments for Parkinson's disease. Additionally, smartwatches may provide valuable insights for individuals living with epilepsy. Aileen McGonigal from the Queensland Brain Institute is investigating how smartwatches can predict seizures by analyzing various data streams, including heart rate and body movement. If successful, this technology could empower patients to anticipate seizures and take preventive measures to avoid injury. While the potential of smartwatches in healthcare is exciting, some doctors express caution. Jeremy Smelt, a consultant thoracic surgeon, highlights the need for careful testing of smartwatch technology. He warns that false positives could lead to unnecessary anxiety and increased visits to healthcare providers. However, he also acknowledges that smartwatches can save lives by facilitating early detection of health issues. As technology continues to advance, the capabilities of smartwatches will likely expand, offering even more opportunities for preventative health care. Joe Kiani, the CEO of Masimo, is already exploring ways to enhance smartwatches to predict asthma attacks. He envisions a future where smartwatches provide a comprehensive set of health data, enabling individuals to manage their health proactively and avoid emergency situations. In conclusion, smartwatches are transforming the landscape of healthcare by providing valuable insights into our health. Their ability to collect and analyze data has the potential to improve patient outcomes and revolutionize the way we approach health and wellness.