I. Introduction
With the advancement of information and communication technology, patients are increasingly becoming proactive healthcare consumers. They use various media to acquire the medical knowledge they desire, which leads to improved health outcomes and reduced healthcare costs [
1]. In the United States, 2020 saw the introduction of mandatory electronic access to medical records to enhance patient engagement, which involved the extension of OpenNotes to all patients and marked the beginning of a new digital health era [
2]. OpenNotes is a system that facilitates the online sharing of medical records between patients and physicians, allowing patients to access their records at any time [
3]. This accessibility has been shown to increase patients’ control over their illnesses, enhance their memory and understanding of treatment plans, and assist in reviewing and understanding test results, adhering to medication, and maintaining medical appointments [
3–
6]. By reviewing their medical records, patients can help prevent errors in their care, thereby enhancing patient safety [
4]. Additionally, patient participation has been linked to improved quality of care and the development of patient-centered healthcare services [
7]. Moreover, the implementation of OpenNotes has proven beneficial for vulnerable groups, including the elderly, ethnic minorities, and individuals with lower educational levels, thereby contributing to the achievement of health equity [
5].
In Korea, the National Health Insurance Service website provides access to medical information, and some tertiary hospitals also offer this information through their websites or apps [
8]. However, the information available typically includes only appointment dates, test results, and prescription details, rather than comprehensive medical records like those found in OpenNotes [
8]. A survey on the awareness and attitudes of the general public towards OpenNotes in Korea showed that 88.9% of participants were optimistic about its implementation and expressed a willingness to participate if it were introduced [
9]. Additionally, a study by Choi et al. [
10] found that 88.6% of hospital staff were unfamiliar with OpenNotes, yet 67.4% of participants responded positively to its potential implementation. This suggests that while there is a strong desire among patients and healthcare professionals to review medical records, the infrastructure necessary to support this need has not yet been fully implemented.
Therefore, this study aimed to evaluate the feasibility of implementing OpenNotes in Korea by providing a service that offers summaries of outpatient visits and evaluating its effectiveness. The participants include patients diagnosed with craniofacial deformities who require ongoing health management due to the necessity for long-term, repeated tests, treatments, and surgeries throughout their growth. The focus of this study is on the development and evaluation of the Open-CHA service, which provides detailed overviews of outpatient visits to patients with craniofacial deformities and their caregivers, supporting ongoing treatment and efficient health management.
IV. Discussion
This study evaluated the feasibility and effectiveness of implementing OpenNotes for domestic patients by delivering summaries of outpatient medical records via SMS through the Open-CHA service, specifically targeting those with craniofacial deformities. To tailor the service to user needs, a needs assessment was conducted involving patients, caregivers, and medical professionals, which informed the creation of the SMS template for the Open-CHA service. Additionally, a pilot test was carried out with outpatient visitors to refine this SMS template. Following the implementation of the Open-CHA service, the majority of participants responded positively to OpenNotes. There was an observed increase in patients’ subjective health knowledge and perceived effectiveness of their interactions with physicians. Furthermore, a statistically significant improvement in mobile health literacy was documented.
We initially conducted a user needs assessment to develop the SMS template for the Open-CHA service. This assessment involved both patients and their caregivers, reflecting the significant number of pediatric patients in this disease group [
18]. Given the rarity of the condition, we also included medical professionals who have extensive experience in treating these patients [
19]. This strategy enabled us to identify more practical and specific needs beyond those of individual patient experiences.
The Open-CHA service is designed to provide patients with comprehensive medical information about their treatment process, akin to OpenNotes. It aims to surpass the limitations of information currently available through the web, apps, and SMS services operated by the National Health Insurance Service and some hospitals [
8]. At present, the information accessible via apps or the web is restricted to appointment confirmations, test results, and prescription details, which does not sufficiently help patients understand the full scope of their treatment process [
8]. To remedy this, the Open-CHA service was created to share medical opinions, future management plans, and test information with patients undergoing outpatient treatment. This approach mirrors the OpenNotes system, where medical records are openly shared between healthcare providers and patients. Initially, doctors had to spend extra time summarizing their consultations to provide the Open-CHA service to patients. However, this time could be conserved if the service were to evolve into a format similar to OpenNotes, where medical records are directly shared with patients without the need for additional documentation. Although some reports indicate that the implementation of OpenNotes led to increased documentation time [
20], the overall negative impact on workload was less significant than anticipated [
21]. Moreover, allowing patients direct access to their medical records through a system like OpenNotes, without requiring separate procedures, could significantly streamline the process [
20,
22]. Patients who have unrestricted access to their medical records are better able to remember their treatment plans, manage their medications more effectively, and potentially reduce medical costs [
23]. Furthermore, improved access to medical data empowers patients, decreases the number of consultations, leads to more efficient healthcare delivery, and ultimately results in better health outcomes [
22].
The pilot test results revealed that although most participants were unfamiliar with OpenNotes, they unanimously viewed it as a beneficial initiative, corroborating the findings of Walker et al. [
5] and DesRoches et al. [
24]. Additionally, 80% of participants (12 out of 15) reported that they primarily use mobile devices for managing their health or accessing health information, aligning with the preliminary assessments of the Open-CHA service. This supports the decision to deliver the Open-CHA service via smartphone SMS. It is noteworthy that 43% of adults who did not review OpenNotes in previous studies had simply forgotten about its availability [
4]. Therefore, facilitating access to it through SMS could improve efficiency by reducing the inconvenience associated with locating and accessing the service. The mobile health literacy of the group, measured on a 5-point scale, confirmed their suitability for future engagement with and utilization of the Open-CHA service, including OpenNotes. Moreover, while trust in physicians was relatively high, scoring 4.11 out of 5, participants’ understanding of medical records was somewhat lower, at 3.69 out of 5. This discrepancy suggests a potential link to the less effective patient-physician interactions observed, highlighting the need for improved communication to enhance patients’ understanding of their medical records. In this regard, the implementation of the Open-CHA service appears appropriate.
The most common reason for positively evaluating Open-Notes was the desire to freely access one’s medical records and achieve a better understanding of the doctor’s instructions. These opinions remained consistent before and after the introduction of the Open-CHA service. Lam et al. [
4] also confirmed the importance of using OpenNotes for understanding physicians’ opinions and treatment plans. Walker et al. [
5] noted that OpenNotes empowered individuals to manage their health and feel a sense of control. Negative evaluations of OpenNotes included concerns that doctors might not record their opinions honestly given the possibility that patients would view the notes, a sentiment also reported by Choi et al. [
10]. However, previous research indicated that 89% of healthcare providers wanted patients to be aware of errors found in medical records [
4], and minimal efforts had been made to simplify medical records for patients [
6,
25]. Additionally, Choi et al. [
10] echoed concerns that OpenNotes might increase physicians’ workload. During the implementation of OpenNotes in the United States, there were concerns about increased workload for physicians [
6]. However, the results of a pilot project confirmed that OpenNotes served a valuable tool for both patients and physicians, leading to its adoption [
24]. This finding aligns with similar results reported from Sweden and other countries in Europe. In line with recent advancements in the rights and awareness of healthcare consumers in Korea, the Korean government announced in 2017 that patient-centered care would be the goal of the Korean healthcare system [
26]. Ensuring patients’ access to information is fundamental to delivering patient-centered healthcare [
26]. All participants in this pilot test positively evaluated the Open-CHA service after using it, suggesting the potential for further research on the feasibility of implementing OpenNotes in Korea. In this study, as an initial step toward introducing OpenNotes, the format of the Open-CHA service was adjusted to reduce the burden on healthcare providers. Instead of providing the extensive draft developed during the user needs assessment phase, only the essential information deemed necessary for the patient was briefly delivered via SMS.
In the evaluation of the Open-CHA service, 73.8% of participants were identified as caregivers, compared to 60% in the pilot test. This discrepancy highlights the unique needs of the target disease group, which predominantly consists of infants. It underscores the importance of tailoring patient services to the characteristics of the primary users [
19]. Participants exhibited a relatively high trust in physicians, with an average score of 4.49. This suggests that they are likely to continue with prescribed treatments and follow medical advice. Consequently, the implementation of the Open-CHA service is expected to enhance treatment effectiveness [
27].
Subjective health knowledge exhibited a slight, statistically insignificant decrease from 4.11 points pre-test to 4.04 points post-test. The evaluation items focused on whether patients were knowledgeable about their illness, understood medical explanations, and retained information provided by healthcare providers. Considering that many patients in the target group bring children to medical appointments, caregivers might experience confusion or tension, potentially accounting for this outcome [
15]. Lam et al. [
4] reported that 60.1% of service providers recognized the benefits of OpenNotes, 63.1% accessed information about treatments, and 44.3% recalled treatment plans, indicating that enhancing subjective health knowledge via OpenNotes could be beneficial. However, the limited effectiveness observed in this study, compared to that reported by Lam et al. [
4], might be due to the fact that, unlike the 87.3% of participants who reviewed OpenNotes more than twice in the past year in the study by Lam et al. [
4], the Open-CHA service in this study was provided only once.
Mobile health literacy significantly increased from 4.40 pre-test to 4.71 post-test (
t = −2.55,
p = 0.012). Improving mobile health literacy empowers vulnerable patients, like those in this study, to actively manage their health, thereby reducing the burden on the healthcare system [
28]. It also provides patients with opportunities to access a wide range of health information and resources, enhancing their health knowledge and enabling them to make better decisions throughout the treatment process [
29]. Therefore, improving mobile health literacy offers practical benefits, such as improving patient health in the long term, enhancing self-management abilities, and optimizing healthcare services. In this study, providing the Open-CHA service offered an opportunity to enhance patients’ health knowledge, and its utilization is expected to provide tangible benefits to patients and contribute to reducing health disparities [
30].
The study revealed a significant increase in mobile health literacy; however, no other intervention effects were noted. This outcome can likely be attributed to the study’s focus on patients with rare diseases and their caregivers, a group typically facing restricted access to detailed information about their conditions. Moreover, the intervention consisted of only a single session. In contrast to OpenNotes, which offers extensive access to a patient’s medical records, the Open-CHA service provided merely a summary of the day’s outpatient visit and future management plans. This limited scope may have reduced its effectiveness. Consequently, further research is necessary to evaluate the viability of implementing OpenNotes in Korea.
This study offers valuable insights into the feasibility of implementing OpenNotes in South Korea. However, there are several limitations that must be considered. First, the participants in this study may have a proactive attitude towards treatment, which warrants caution in interpreting the results. Second, the absence of a control group in this single-group study limits the ability to control for confounding variables. Third, while the provision of OpenNotes may improve health literacy, this study was conducted solely in Korean, and thus did not assess the impact on foreign patients who do not speak Korean.