Cancer Genetics and Epigenetics, 2025, Vol.13, No.5, 224-235 http://medscipublisher.com/index.php/cge 228 real time even when the patient is asleep. The system can also capture subtle changes, such as heart rate fluctuations and transitions of sleep stages, thereby helping to identify deterioration of health conditions earlier and take timely countermeasures (Figure 1) (He et al., 2024). Figure 1 Number of studies with app features (Adopted from He et al., 2024) Image caption: s1: delivery of health education and guidance; s2: physician-patient communication; s3: data management pertaining to self-management habits of cancer patients; s4: Pain management; s5: side-effect management and drug complications; s6: nutritional education; s7: Psychological education and support; s8: Physical activity tracking; s9: Medication adherence (Adopted from He et al., 2024) Activity level and sleep quality are gradually being regarded as important components in remote monitoring, especially for cancer patients and those in the recovery period. Wearable activity recorders and sleep monitoring devices can truthfully record daily activities, sedentary duration and sleep conditions, helping to understand the functional status and overall health of patients. This information can not only be used to assist medical judgment, but also prompt patients to pay more active attention to their own health and adjust their daily routines, thereby helping to recover and improve the quality of life (Noorvash et al., 2023). 5.2 Clinical value The role of remote monitoring in clinical practice is that by constantly tracking vital signs and daily behaviors, it can detect problems such as infections or the worsening of acute symptoms at an early stage. Research shows that remote systems can promptly detect abnormal conditions of heart rate, breathing and activity, and also remind patients to see a doctor as soon as possible, which can help avoid hospitalization or emergency visits. For instance, patients with chronic diseases or those undergoing high-intensity anti-cancer treatment have a relatively high acceptance of remote monitoring, which can be very helpful in handling complications before they become severe. Remote monitoring, through multiple indicators to grasp the patient's health status, including basic signs such as heart rate, breathing, blood pressure and blood oxygen, as well as activity level and sleep quality. With the help of new technologies such as frequency-modulated continuous wave radar, wearable sensors and Internet of Things devices, data can be continuously collected without contact, and relatively accurate information can be obtained in real time even when the patient is asleep. The system can also capture subtle changes, such as heart rate fluctuations and transitions of sleep stages, thereby helping to identify deterioration of health conditions earlier and take timely countermeasures (He et al., 2024). 5.3 Challenges and limitations Although remote monitoring has potential, it still encounters many challenges. The high cost of equipment and the difficulty in purchasing it remain the main problems, especially for some high-end sensors or those still in the research stage, which prevent them from being widely promoted in areas with poor medical conditions. Whether the patient feels comfortable when using it and whether the device is user-friendly (such as the weight of wearable devices and the discomfort of some sensors) will also affect the patient's idea of using it for a long time (Qian, 2024).
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