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Fatih Y, Arife S, Aysegul B, Betul B. The Effect of Child Preference for Parental Selection on Pediatric Anxiety During Induction in Children Undergoing Elective Day Case Surgery. J Perianesth Nurs 2024; 39:397-402. [PMID: 38054915 DOI: 10.1016/j.jopan.2023.08.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 06/05/2023] [Accepted: 08/26/2023] [Indexed: 12/07/2023]
Abstract
PURPOSE The aim of the study was to determine if children were given the right to prefer one parent to accompany them during the perioperative period would impact their anxiety levels. DESIGN Prospective observational cohort study. METHODS The study included 80 children of both genders, aged 4 to 12 years, who underwent day-case surgeries in the Ear Nose and Throat Clinic of Karaman Training and Research Hospital. The patients were separated randomly into two groups of 40. In Group 1, children were asked which of their parents would accompany them during general anesthesia induction, and in Group 2, the child' preference was not asked, and "accompanying parent" was randomly selected by the physician. The anxiety level of the children was evaluated with the modified Yale Preoperative Anxiety Scale (mYPAS) both in the preoperative waiting area and during the anesthesia induction. The State-Trait Anxiety Inventory (STAI) was used to determine the anxiety level of their parents. FINDINGS The mean mYPAS score during the induction of anesthesia of Group 1 was significantly lower than that of Group 2 (38.1 vs 45.2; P = .034). There was no difference between the two groups in the mean mYPAS scores evaluated in the preoperative waiting area (38.0 vs 39.1; P = .761). The mean anxiety scores of the parents evaluated using the STAI were similar in both groups, with higher scores between mothers compared to fathers at all measurement times. No difference was determined between the two groups regarding the mean mYPAS scores according to the gender of the child during the perioperative period (P > .05). There was a significant decrease in the mean STAI scores in the preoperative waiting area with an increase in parent's education level (P = .011), but the educational level had no effect on the scores during the induction of anesthesia. CONCLUSIONS Significantly lower anxiety scores were recorded during the induction of anesthesia for the children who had a chance to select their accompanying parent before surgery. Thus, the overall interaction between the child and the parent before the perioperative period may be accepted as an important factor for the reduction of anxiety during anesthesia induction.
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Affiliation(s)
- Yucedag Fatih
- Department of Otorhinolaryngology, Faculty of Medicine, Karamanoglu Mehmetbey University, Karaman, Turkey.
| | - Sezgin Arife
- Department of Otorhinolaryngology, Karaman Education and Training Hospital, Karaman, Turkey
| | - Bilge Aysegul
- Department of Anesthesiology and Reanimation, Faculty of Medicine, Karamanoglu Mehmetbey University, Karaman, Turkey
| | - Basaran Betul
- Department of Anesthesiology and Reanimation, Faculty of Medicine, Karamanoglu Mehmetbey University, Karaman, Turkey
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Mustafa MS, Shafique MA, Zaidi SDEZ, Qamber A, Rangwala BS, Ahmed A, Zaidi SMF, Rangwala HS, Uddin MMN, Ali M, Siddiq MA, Haseeb A. Preoperative anxiety management in pediatric patients: a systemic review and meta-analysis of randomized controlled trials on the efficacy of distraction techniques. Front Pediatr 2024; 12:1353508. [PMID: 38440185 PMCID: PMC10909818 DOI: 10.3389/fped.2024.1353508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Accepted: 02/09/2024] [Indexed: 03/06/2024] Open
Abstract
Background This study addresses the pervasive issue of heightened preoperative anxiety in healthcare, particularly among pediatric patients. Recognizing the various sources of anxiety, we explored both pharmacological and nonpharmacological interventions. Focusing on distraction techniques, including active and passive forms, our meta-analysis aimed to provide comprehensive insights into their impact on preoperative anxiety in pediatric patients. Methods Following the PRISMA and Cochrane guidelines, this meta-analysis and systematic review assessed the efficacy of pharmaceutical and distraction interventions in reducing pain and anxiety in pediatric surgery. This study was registered on PROSPERO (CRD42023449979). Results This meta-analysis, comprising 45 studies, investigated pharmaceutical interventions and distraction tactics in pediatric surgery. Risk of bias assessment revealed undisclosed risks in performance and detection bias. Distraction interventions significantly reduced preoperative anxiety compared to control groups, with notable heterogeneity. Comparison with Midazolam favored distraction techniques. Subgroup analysis highlighted varied efficacies among distraction methods, with a notable reduction in anxiety levels. Sensitivity analysis indicated stable results. However, publication bias was observed, suggesting a potential reporting bias. Conclusion Our study confirms distraction techniques as safe and effective for reducing pediatric preoperative anxiety, offering a valuable alternative to pharmacological interventions. Systematic Review Registration https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=449979, PROSPERO [CRD42023449979].
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Affiliation(s)
| | | | | | - Amna Qamber
- Department of Medicine, Jinnah Sindh Medical University, Karachi, Pakistan
| | | | - Aftab Ahmed
- Department of Paediatrics, National Institute of Child Health, Karachi, Pakistan
| | | | | | | | - Mirha Ali
- Department of Medicine, Jinnah Sindh Medical University, Karachi, Pakistan
| | | | - Abdul Haseeb
- Department of Medicine, Jinnah Sindh Medical University, Karachi, Pakistan
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Zheng Y, Zhang L, Ma S, Wu B, Chen P, Xu Y, Tan W, Li H, Wu Q, Zheng J. Care intervention on psychological outcomes among patients admitted to intensive care unit: an umbrella review of systematic reviews and meta-analyses. Syst Rev 2023; 12:237. [PMID: 38098025 PMCID: PMC10720116 DOI: 10.1186/s13643-023-02372-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 10/23/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND Numerous studies have explored care interventions to improve the psychological outcome of intensive care unit (ICU) patients, but inconclusive evidence makes it difficult for decision-makers, managers, and clinicians to get familiar with all available literature and find appropriate interventions. This umbrella review aimed to analyze the relationship between care intervention and psychological outcomes of ICU patients based on existing systematic reviews. METHODS An umbrella review of evidence across systematic reviews and meta-analyses published between 1987 and 2023 was undertaken. We systematically searched reviews that examined the association between care intervention and the improvement of adverse psychological outcomes in ICU patients using PubMed, EMBASE, Web of Science, Cochrane Library, and manual reference screening. The measurement tool (AMSTAR 2) was applied to evaluate the methodological quality of included studies. The excess significance bias, between-study heterogeneity expressed by I2, small-study effect, and evidence class were estimated. RESULTS A total of 5110 articles were initially identified from the search databases and nine of them were included in the analysis. By applying standardized criteria, only weak evidence was observed in 13 associations, even though most included reviews were of moderate to high methodological quality. These associations pertained to eight interventions (music therapy, early rehabilitation, post-ICU follow-up, ICU diary, information intervention, preoperative education, communication and psychological support, surrogate decision-making) and five psychological outcomes (post-intensive care syndrome, transfer anxiety, post-traumatic stress disorder, anxiety, and depression). Weak or null association was shown among the rest of the associations (e.g., weak association between music therapy and maternal anxiety or stress level). CONCLUSIONS The evidence of these eight supporting interventions to improve the adverse psychological outcomes of ICU patients and caregivers was weak. Data from more and better-designed studies with larger sample sizes are needed to establish robust evidence.
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Affiliation(s)
- Yafang Zheng
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China
- Guangdong Provincial Hospital of Traditional Chinese Medicine, No. 111 Dade Road, Guangzhou, 510120, People's Republic of China
| | - Lijuan Zhang
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China
- Guangdong Provincial Hospital of Traditional Chinese Medicine, No. 111 Dade Road, Guangzhou, 510120, People's Republic of China
| | - Shihong Ma
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China
- Guangdong Provincial Hospital of Traditional Chinese Medicine, No. 111 Dade Road, Guangzhou, 510120, People's Republic of China
| | - Bian Wu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China
- Guangdong Provincial Hospital of Traditional Chinese Medicine, No. 111 Dade Road, Guangzhou, 510120, People's Republic of China
| | - Peipei Chen
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China
- Guangdong Provincial Hospital of Traditional Chinese Medicine, No. 111 Dade Road, Guangzhou, 510120, People's Republic of China
| | - Yan Xu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China
- Guangdong Provincial Hospital of Traditional Chinese Medicine, No. 111 Dade Road, Guangzhou, 510120, People's Republic of China
| | - Wenting Tan
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China
- Guangdong Provincial Hospital of Traditional Chinese Medicine, No. 111 Dade Road, Guangzhou, 510120, People's Republic of China
| | - Hanzhan Li
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China
- Guangdong Provincial Hospital of Traditional Chinese Medicine, No. 111 Dade Road, Guangzhou, 510120, People's Republic of China
| | - Qiaomei Wu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China.
- Guangdong Provincial Hospital of Traditional Chinese Medicine, No. 111 Dade Road, Guangzhou, 510120, People's Republic of China.
| | - Jingxia Zheng
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China.
- Guangdong Provincial Hospital of Traditional Chinese Medicine, No. 111 Dade Road, Guangzhou, 510120, People's Republic of China.
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Hou H, Li X, Song Y, Ji Y, Sun M, Wang D, Jiao J, Qu J, Gu H. Effect of interactive, multimedia-based home-initiated education on preoperative anxiety inchildren and their parents: a single-center randomized controlled trial. BMC Anesthesiol 2023; 23:95. [PMID: 36977985 PMCID: PMC10045252 DOI: 10.1186/s12871-023-02055-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
BACKGROUND Anesthesiologists need to appreciate the impact of preoperative anxiety in children. The present study aimed to explore whether interactive multimedia-based home-initiated interventions could effectively relieve preoperative anxiety in pediatric patients. METHODS In this prospective study, we compared preoperative anxiety between two groups of children aged 4-9 years. Children in the control group received a question-and-answer (Q&A) introduction, and children in the intervention group received multimedia-based home-initiated preoperative education using comic booklets, videos, and coloring game books. Differences in anxiety between the two groups were evaluated by the modified Yale Preoperative Anxiety Scale-Short Form (mYPAS-SF) at four time points: in the ophthalmology outpatient clinic before intervention as the baseline (T0); in the preoperative waiting area (T1); at the time of separating from their parents and moving to the operating room (T2); and at the time of anesthesia induction (T3). Parental anxiety was assessed by the Self-rating Anxiety Scale (SAS) and Visual Analog Scale (VAS) at T0 and T2. Other related information was collected by questionnaire. RESULTS Eighty-four children who underwent pediatric strabismus in our center between November 2020 and July 2021 were included in this study. An intention-to-treat (ITT) analysis was performed on data from 78 enrolled children. Children in the intervention group exhibited lower m-YPAS-SF scores at T1, T2, and T3 than those in the control group (all p < 0.001). By using a mixed-effect model with repeated measurement (MMRM) after adjusting the m-YPAS score at T0 as a covariate, the interventional effect in terms of themYPAS-SF score was also significant over time (p < 0.001). The percentage of children with perfect induction compliance (ICC = 0) in the intervention group was significantly higher than that in the control group [18.4% vs. 7.5%], and poor induction compliance (ICC>4) was lower (2.6% vs. 17.5%, p = 0.048). The mean parental VAS score at T2 in the intervention group was significantly lower than that in the control group (p = 0.021). CONCLUSIONS Interactive multimedia-based home-initiated intervention could reduce preoperative anxiety in children and improve the quality of anesthesia induction based on ICC scores, which may in turn impose a positive impact on parental anxiety.
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Affiliation(s)
- Huiyan Hou
- Department of Anesthesiology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China
| | - Xie Li
- Department of Ophthalmology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China
| | - Yun'an Song
- Department of Anesthesiology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China
| | - Yingying Ji
- Department of Anesthesiology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China
| | - Menglian Sun
- Department of Anesthesiology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China
| | - Dan Wang
- Department of Anesthesiology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China
| | - Jiali Jiao
- Institute of Translational Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China
| | - Jifang Qu
- Department of Ophthalmology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China.
| | - Hongbin Gu
- Department of Anesthesiology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China.
- Department of Anesthesiology, Fujian Children's Hospital (Fujian Branch of Shanghai Children's Medical Center), College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, P.R. China.
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Chang CY, Hwang GJ, Chou YL, Xu ZY, Jen HJ. Effects of robot-assisted digital storytelling on hospitalized children's communication during the COVID-19 pandemic. EDUCATIONAL TECHNOLOGY RESEARCH AND DEVELOPMENT : ETR & D 2023; 71:1-13. [PMID: 36855519 PMCID: PMC9949694 DOI: 10.1007/s11423-023-10209-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 02/13/2023] [Indexed: 06/18/2023]
Abstract
This study proposed a robot-assisted digital storytelling approach to reduce hospitalized children's anxiety about intravenous injections and to improve their therapeutic communication and therapeutic engagement. In order to verify the effectiveness of the robot-assisted digital storytelling approach, a randomized controlled study was implemented. A total of 47 children from a regional hospital were randomly assigned to an experimental group (n = 21) and a control group (n = 26). The experimental group adopted the robot-assisted digital storytelling approach in health education for intravenous injections, while the control group received video-based health education. The study results indicated that the proposed robot-assisted digital storytelling approach not only reduced the children's anxiety, but also had positive effects on children's communication about intravenous injections, emotions during hospitalization, and therapeutic engagement. As a consequence, it is suggested that educators and researchers consider adopting robot-assisted digital storytelling to facilitate nursing clinical health education for children.
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Affiliation(s)
- Ching-Yi Chang
- Department of Nursing, Taipei Medical University-Shuang Ho Hospital, New Taipei, Taiwan
- School of Nursing, College of Nursing, Taipei Medical University, 250 Wuxing Street, Taipei, 11031 Taiwan
| | - Gwo-Jen Hwang
- Graduate Institute of Digital Learning and Education, National Taiwan University of Science and Technology, 43, Sec.4, Keelung Rd., Taipei, 106 Taiwan
- Yuan Ze University, Taoyuan, Taiwan
| | - Ya-Lien Chou
- Department of Nursing, Taipei Medical University-Shuang Ho Hospital, New Taipei, Taiwan
| | - Zi-Yin Xu
- School of Nursing, College of Nursing, Taipei Medical University, 250 Wuxing Street, Taipei, 11031 Taiwan
| | - Hsiu-Ju Jen
- Department of Nursing, Taipei Medical University-Shuang Ho Hospital, New Taipei, Taiwan
- School of Nursing, College of Nursing, Taipei Medical University, 250 Wuxing Street, Taipei, 11031 Taiwan
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Sarialioğlu A, Kurudirek F, Oluç T. The effect of storybook reading on children's preoperative fear and anxiety levels: A randomized controlled study. Child Care Health Dev 2023. [PMID: 36735635 DOI: 10.1111/cch.13100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 12/21/2022] [Accepted: 01/31/2023] [Indexed: 02/04/2023]
Abstract
BACKGROUND The aim of this study was to evaluate the effect of reading a preoperative preparation-themed storybook on children's preoperative fear and anxiety levels. METHODS The research design was a randomized controlled experiment. The research sample included 80 children (40 in the story group and 40 in the control group) who met the inclusion criteria. Data collection tools were collected through face-to-face interviews with the 'Survey Form', 'Child Fear Scale (CFS)' and 'Modified Yale Preoperative Anxiety Scale (mYPAS)'. In the research, the book named Elif Has Surgery was used as an intervention tool. In the story group, the preoperative preparation-themed storybook was read to the child in their room at the clinic by their mother within 10 min. The control group received only clinical routine. The study was approved by the ethics committee. RESULTS There was a statistically significant difference between the groups in the mean scores of the CFS and mYPAS scales in the control and story groups (p < 0.05). CONCLUSIONS This study found that reading a preoperative preparation-themed storybook reduced children's fear and anxiety before surgery. It may be recommended to expand the use of preoperative preparation-themed storybooks in order to prevent fear and anxiety experienced before surgery in paediatric surgery clinics. Story reading is an effective, cheap, non-pharmacological intervention. The clinical trial registration number is NCT05478369.
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Affiliation(s)
- Arzu Sarialioğlu
- Department of Child Health and Diseases Nursing, Ataturk University Faculty of Nursing, Erzurum, Turkey
| | - Fatma Kurudirek
- Department of Child Health and Diseases Nursing, Ataturk University Faculty of Nursing, Erzurum, Turkey
| | - Tuğba Oluç
- Department of Child Health and Diseases Nursing, Erzincan Binali Yildirim University Faculty of Health Sciences, Erzincan, Turkey
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Novel Way to Improve Satisfaction, Comprehension, and Anxiety in Caregivers: A Randomized Trial Exploring the Use of Comprehensive, Illustrated Children's Books for Pediatric Surgical Populations. J Am Coll Surg 2022; 234:263-273. [PMID: 35213488 DOI: 10.1097/xcs.0000000000000057] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Surgery generates anxiety and stress, which can negatively impact informed consent and postoperative outcomes. This study assessed whether educational, illustrated children's books improve comprehension, satisfaction, and anxiety of caregivers in pediatric surgical populations. METHODS A prospective randomized trial was initiated at a tertiary care children's hospital. All patients ≤ 18 years old with caregiver and diagnosis of 1) uncomplicated appendicitis (English or Spanish speaking); 2) ruptured appendicitis; 3) pyloric stenosis; 4) need for gastrostomy tube; or 5) umbilical hernia were eligible. Conventional consent was obtained followed by completion of 17 validated survey questions addressing apprehension, satisfaction, and comprehension. Randomization (2:1) occurred after consent and before operative intervention with the experimental group (EG) receiving an illustrated comprehensive children's book outlining anatomy, pathophysiology, hospital course, and postoperative care. A second identical survey was completed before discharge. Primary outcomes were caregiver apprehension, satisfaction, and comprehension. RESULTS Eighty caregivers were included (55: EG, 25: control group [CG]). There were no significant differences in patient or caregiver demographics between groups. The baseline survey demonstrated no difference in comprehension, satisfaction, or apprehension between groups (all p values NS). After intervention, EG had significant improvement in 14 of 17 questions compared with CG (all p < 0.05). When tabulated by content, there was significant improvement in comprehension (p = 0.0009), satisfaction (p < 0.0001), and apprehension (p < 0.0001). CONCLUSION The use of illustrated educational children's books to explain pathophysiology and surgical care is a novel method to improve comprehension, satisfaction, and anxiety of caregivers. This could benefit informed consent, understanding, and postoperative outcomes.
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Wu J, Yan J, Zhang L, Chen J, Cheng Y, Wang Y, Zhu M, Cheng L, Zhang L. The effectiveness of distraction as preoperative anxiety management technique in paediatric patients: A systematic review and meta-analysis of randomized controlled trials. Int J Nurs Stud 2022; 130:104232. [DOI: 10.1016/j.ijnurstu.2022.104232] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 03/06/2022] [Accepted: 03/07/2022] [Indexed: 12/11/2022]
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Santapuram P, Stone AL, Walden RL, Alexander L. Interventions for Parental Anxiety in Preparation for Pediatric Surgery: A Narrative Review. CHILDREN (BASEL, SWITZERLAND) 2021; 8:children8111069. [PMID: 34828782 PMCID: PMC8623601 DOI: 10.3390/children8111069] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 10/28/2021] [Accepted: 11/17/2021] [Indexed: 11/19/2022]
Abstract
The preoperative experience can cause significant anxiety for both pediatric patients and their parents in the lead up to a surgical procedure. Pediatric anxiety in a preoperative setting has been shown to have significant negative downstream effects on the clinical outcomes of children and the healthcare system as a whole. Studies have found that preoperative parental anxiety has significant negative effects on children, regarding anxiety and emotional response. Therefore, interventions for parental preoperative anxiety are important to reduce the child’s anxiety. This review provides a brief overview of a broad range of strategies used to alleviate parental anxiety in a preoperative setting. Preoperative education, play-based interventions, music therapy, the presence of parents at induction of anesthesia, and integrative preoperative preparation programs have all demonstrated some evidence for reducing parental preoperative anxiety. The ultimate goal of using interventions for parental preoperative anxiety is to equip healthcare systems to better support families and optimize the perioperative outcomes of children.
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Affiliation(s)
- Pooja Santapuram
- School of Medicine, Vanderbilt University, Nashville, TN 37212, USA
- Correspondence: (P.S.); (L.A.); Tel.: +1-615-936-0023 (L.A.)
| | - Amanda L. Stone
- Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN 37212, USA;
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN 37212, USA
| | - Rachel Lane Walden
- Annette and Irwin Eskind Family Biomedical Library, Vanderbilt University, Nashville, TN 37212, USA;
| | - Louise Alexander
- Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN 37212, USA;
- Correspondence: (P.S.); (L.A.); Tel.: +1-615-936-0023 (L.A.)
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