Browsing by Author "Cha, Jackie S."

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    Identifying Barriers and Facilitators of Exoskeleton Implementation in the Operating Room
    (Sage, 2019) Cha, Jackie S.; Monfared, Sara; Ecker, Kaylee; Lee, Derek; Stefanidis, Dimitrios; Nussbaum, Maury A.; Yu, Denny; Surgery, School of Medicine
    Members of the surgical team experience musculoskeletal (MS) symptoms that impact occupational health. Although the prevalence of MS symptoms in this population is well-recognized, limited interventions with sustained success exist for the operating room (OR) environment. The purpose of this work was to determine the facilitators of and barriers to exoskeleton technology in the OR, as a potential intervention to reduce upper-body MS pain and discomfort for surgical team members.
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    Measurement of Nontechnical Skills During Robotic-Assisted Surgery Using Sensor-Based Communication and Proximity Metrics
    (American Medical Association, 2021-11-01) Cha, Jackie S.; Athanasiadis, Dimitrios; Anton, Nicholas E.; Stefanidis, Dimitrios; Yu, Denny; Surgery, School of Medicine
    This cohort study uses sensor-based communication and proximity metrics to assess surgeon nontechnical skills during robotic-assisted surgery.
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    Supporting Surgical Teams: Identifying Needs and Barriers for Exoskeleton Implementation in the Operating Room
    (Sage, 2020) Cha, Jackie S.; Monfared, Sara; Stefanidis, Dimitrios; Nussbaum, Maury A.; Yu, Denny; Surgery, School of Medicine
    Objective: The objective of this study was to identify potential needs and barriers related to using exoskeletons to decrease musculoskeletal (MS) symptoms for workers in the operating room (OR). Background: MS symptoms and injuries adversely impact worker health and performance in surgical environments. Half of the surgical team members (e.g., surgeons, nurses, trainees) report MS symptoms during and after surgery. Although the ergonomic risks in surgery are well recognized, little has been done to develop and sustain effective interventions. Method: Surgical team members (n = 14) participated in focus groups, performed a 10-min simulated surgical task with a commercial upper-body exoskeleton, and then completed a usability questionnaire. Content analysis was conducted to determine relevant themes. Results: Four themes were identified: (1) characteristics of individuals, (2) perceived benefits, (3) environmental/societal factors, and (4) intervention characteristics. Participants noted that exoskeletons would benefit workers who stand in prolonged, static postures (e.g., holding instruments for visualization) and indicated that they could foresee a long-term decrease in MS symptoms with the intervention. Specifically, raising awareness of exoskeletons for early-career workers and obtaining buy-in from team members may increase future adoption of this technology. Mean participant responses from the System Usability Scale was 81.3 out of 100 (SD = 8.1), which was in the acceptable range of usability. Conclusion: Adoption factors were identified to implement exoskeletons in the OR, such as the indicated need for exoskeletons and usability. Exoskeletons may be beneficial in the OR, but barriers such as maintenance and safety to adoption will need to be addressed. Application: Findings from this work identify facilitators and barriers for sustained implementation of exoskeletons by surgical teams.
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    Use of non-technical skills can predict medical student performance in acute care simulated scenarios
    (Elsevier, 2018) Cha, Jackie S.; Anton, Nicholas E.; Mizota, Tomoko; Hennings, Julie M.; Rendina, Megan A.; Stanton-Maxey, Katie; Ritter, Hadley E.; Stefanidis, Dimitrios; Yu, Denny; Surgery, School of Medicine
    Background Though the importance of physician non-technical (NT) skills for safe patient care is recognized, NT skills of medical students, our future physicians, has received little attention. This study aims to investigate the relationship of medical student NT skills and clinical performance during acute care team simulation (ACTS). Methods Forty-one medical students participated in ACTS. A nurse confederate facilitated and evaluated clinical performance. Two raters assessed participants’ NT skills using an adapted NT assessment tool and overall NT skills score was calculated. Regressions predicting clinical performance using NT constructs were conducted. Results Overall NT skills score significantly predicted students’ clinical performance (r2 = 0.178, p = 0.006). Four of the five individual NT constructs also significantly predicted performance: communication (r2 = 0.120, p = 0.027), situation awareness (r2 = 0.323, p < 0.001), leadership (r2 = 0.133, p = 0.019), and decision making (r2 = 0.163, p = 0.009). Conclusions Medical student NT skills can predict clinical performance during ACTS. NT skills assessments can be used for targeted education for better feedback to students.