Each year, almost 6 million Americans are admitted to an intensive care unit (ICU) for management of a life-threatening, critical illness. The trauma of witnessing a loved one endure critical illness predisposes patients’ family members to post–intensive care syndrome–family (PICS-F), a cluster of negative psychological symptoms such as anxiety, depression, posttraumatic stress, and complicated grief. PICS-F can reduce family members’ quality of life and subsequently impede patients’ recovery. Cognitive behavioral therapy (CBT) is a first-line nonpharmacological treatment for a number of psychological conditions, including the symptoms encompassed by PICS-F. As smartphone technology continues to expand, mobile health apps have emerged as a promising modality to enhance users’ confidence in their ability to manage their mental health. However, the effectiveness of such apps has not been examined among family members of critically ill patients. Therefore, the authors examined the feasibility of using a CBT mobile health app for family members during and after a patient’s ICU stay.The investigators used a prospective, longitudinal cohort design with a consecutive sample of patients and family members from 2 mixed adult ICUs at a tertiary care hospital. Adult family members were eligible if they identified as the family decision-maker for an adult patient who had been in the ICU for more than 3 days, was receiving mechanical ventilation, and lacked decision-making capacity. Family members completed a sociodemographic questionnaire and self-report instruments that measured anxiety, depression, posttraumatic stress, health-related quality of life, mental health self-efficacy, app use, and app satisfaction. Family participants in the interventional study phase were provided with a smartphone containing a free and commercially available mobile health app called Sanvello, completed 1 identical lesson, and were then instructed to use any of the remaining app contents as they desired. Baseline data were collected at enrollment; follow-up data were collected 30 (T2) and 60 (T3) days after study enrollment.In total, 49 family members participated (25 in the intervention group). The participants were predominantly White women; almost three-quarters were married, and approximately half were unemployed. For patients, the mean ICU stay was 13 days, with 10% of patients dying while in the hospital. Eighty-percent of app recipients provided follow-up data at T2 and T3. App group participants logged into the app a mean of 18 times, with a third logging in 12 times or more. Mean use time per login was 5.5 minutes, and overall, participants endorsed satisfaction with the app, with the most common criticism relating to the burden of carrying around an additional device. Psychological outcomes improved at each time point. Notably, participants in the app group reported statistically significant improvements in symptoms of anxiety and depression at T2 and T3, whereas participants in the control group reported statistically significant improvements only at T3. Also, mental health self-efficacy increased within the app group but not in the control group. The authors conclude that using an app to support family members of critically ill patients is feasible and acceptable.Amy Petrinec, PhD, RN, the corresponding author for this article, provides additional information about this study. In her work as a clinical nurse, she noticed how many family members regularly used smart-phones while visiting the patient. She also recognizes that “healthcare providers may not have extra time beyond the care they are already providing to [their patients].” Therefore, she “began to think about how to leverage smartphone technology” in an acceptable and meaningful way to provide support to family members in the ICU. She turned to the scientific literature and found that CBT delivery via mobile health apps was effective in mitigating comparable psychological symptoms in other populations. As a result, Dr Petrinec “thought this might be a good way to support family members by providing on-demand help [by] using their phones” without imposing additional effort on clinicians.Dr Petrinec acknowledges the obstacles that she encountered in conducting this work. For example, as the new and sole faculty member researching ICU family members, she needed “to organize the right infrastructure.” Professional networking was a crucial part of this process: “I met with several department chairs to identify individuals with research interests that aligned with my own. I reached out to several investigators and met with them to discuss my research ideas and plans and eventually found a very experienced researcher with whom to collaborate,” who then helped her solicit their statistician. Finally, Dr Petrinec “networked further at the clinical research site, where [she] developed relationships with several clinical personnel interested in [her] area of research.” Dr Petrinec advises, “Persistence, perseverance, and a willingness to incorporate ideas from experienced colleagues are essential to building an effective team.”Dr Petrinec encountered additional obstacles during the study. For example, “family members who did not own their own smartphone struggled with the learning curve of using [one].” Even those family members who owned their own smartphone found it “cumbersome” to carry around a second device and “would admit to sometimes forgetting the phone at home.” Dr Petrinec chose to remain optimistic: Dr Petrinec recognizes the potential of her team’s work: “The current project offers a potential treatment option that may address [family members’] psychological symptoms directly without adding significant cost or requiring significant resources to implement.” She adds, “the app can be provided in addition to the standard of care … and can be used … throughout the critical illness trajectory regardless of patient outcomes.” While she acknowledges that “there are several unresolved issues in my area of research … [such as the need] to develop an effective screening tool for family members at risk for PICS-F,” her team’s research is moving critical care science closer to providing “individualized care for family members” without placing substantial workforce or economic demands on the health care system.This feature briefly describes the personal journey and background story of the EBR article’s investigators, discussing the circumstances that led them to undertake the line of inquiry represented in the research article featured in this issue.Amy Petrinec, PhD, RN, started her career more than 30 years ago at a level I burn and trauma critical care facility. After completing a master’s degree, she began teaching critical care concepts to nursing students. While teaching, she “began thinking that supporting family members was an important part of the caring process, and we could do better.” She eventually completed a PhD in nursing science and received postdoctoral training in symptom science as part of a National Institutes of Health institutional training grant. She concludes, “I didn’t set out when I was 18 years old to be an ICU nurse or to earn my PhD and do research. My nursing career just snowballed and evolved over time.”