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Musolino AM, Tei M, De Rose C, Buonsenso D, Supino MC, Zampogna S, Staiano A, Raponi M, Amendolea A, Colacino V, Gori L, Manganaro A, Ricci R, D'Inzeo V, Grosso S, Villani A, Agostiniani R. Pediatric ultrasound practice in Italy: an exploratory survey. Ital J Pediatr 2024; 50:114. [PMID: 38853266 PMCID: PMC11163714 DOI: 10.1186/s13052-024-01680-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Accepted: 05/25/2024] [Indexed: 06/11/2024] Open
Abstract
BACKGROUND The aim of this exploratory survey is to describe the current state of US (ultrasound) technique across different pediatric settings nationwide. METHODS A questionnaire was emailed to all members of the Italian Society of Pediatrics, including pediatric residents. The survey was open from December 2021 to March 2022. RESULTS There were 1098 respondents. Seven hundred and seven pediatricians (84.1%) reported any use of US, while 51 (44.3%) residents denied it. The majority of participants (n = 956, 87.1%) reported to have a US machine available within the department, mostly cart-based (n = 516, 66.9%) and provided from 1 to 5 years prior to the survey (n = 330, 42.8%). Lung and neonatal cerebral regions were the most frequently scanned (n = 289, 18.7% and n = 218, 14.1%, respectively). The suspicion of pneumonia or respiratory distress represented the main reasons for performing US in emergency room (n = 390, 78% and n = 330, 66%, respectively). The majority of family pediatricians reported to scan lung and kidney/urinary tract regions (n = 30, 16.9%, and n = 23,12.9%, respectively). Regarding US training, the majority of respondents (n = 358, 34.6%) declared an experience-based education, with a deficient certification enabling the use of US in 71.6% (n = 552) of cases. The most common barriers included the lack of a well-defined training program (n = 627, 57.1%), unavailability of the US machine (n = 196, 17.9%) and legal responsibility concern (n = 175, 15.9%). CONCLUSIONS Despite the growing interest on pediatric US nationally, significant barriers still limit widespread adoption. These obstacles may be addressed through the dissemination of a specific US education plan and providing additional resources.
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Affiliation(s)
- Anna Maria Musolino
- Unit of Emergency Pediatrics, Department of Emergency, Admission and General Pediatrics, Bambino Gesù Children's Hospital (IRCCS), Rome, Italy
| | - Monica Tei
- Clinical Pediatrics, Department of Mother and Child, Siena University Hospital, Viale Bracci 16, Siena, 53100, Italy.
| | - Cristina De Rose
- Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Danilo Buonsenso
- Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Maria Chiara Supino
- Unit of Emergency Pediatrics, Department of Emergency, Admission and General Pediatrics, Bambino Gesù Children's Hospital (IRCCS), Rome, Italy
| | - Stefania Zampogna
- Department Pediatrics, Hospital of Crotone President of SIMEUP (Italian Society of Pediatric Emergency Medicine Urgency), Crotone, Italy
| | - Annamaria Staiano
- Department of Translational Medical Sciences, Section of Pediatrics, University of Naples "Federico II", President of SIP (Italian Society of Pediatric), Naples, Italy
| | - Massimiliano Raponi
- Management and Diagnostic Innovations and Clinical Pathways Research Area, Medical Directorate, Bambino Gesù Children's Hospital, IRCCS, Rome, 00165, Italy
| | | | | | - Laura Gori
- Department of Maternal and Child Health, Santa Chiara Hospital, University of Pisa, Pisa, 56100, Italy
| | - Alessandro Manganaro
- Pathology and Neonatal and Pediatric Intensive Care Unit, University Hospital G. Martino, Messina, Italy
| | - Riccardo Ricci
- Professional Development, Continuing Education and Research, Bambino Gesù Children's Hospital (IRCCS), Rome, Italy
| | - Victoria D'Inzeo
- Department of Cardiac Surgery, Cardiology and Heart and Lung Transplant, Bambino Gesù Children's Hospital (IRCCS), Rome, Italy
| | - Salvatore Grosso
- Clinical Pediatrics, Department of Mother and Child, Siena University Hospital, Viale Bracci 16, Siena, 53100, Italy
| | - Alberto Villani
- Unit of General Pediatrics, Department of Emergency, Admission and General Pediatrics, Bambino Gesù Children's Hospital (IRCCS), Rome, Italy
| | - Rino Agostiniani
- Department of Pediatrics and Neonatology, San Jacopo Hospital, Via Ciliegiole 97, 51100, Pistoia, Italy
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Loscalzo SM, White LJ, Rosenblatt S, Woods-Hill CZ, Teran F, Wolfe H, Himebauch AS, Glau C, Nishisaki A, Conlon TW. Ultrasound in Cardiopulmonary Arrest and Resuscitation: Constructing Comprehensive Implementation Frameworks in High-Risk Settings. Pediatr Emerg Care 2024; 40:469-473. [PMID: 38713851 DOI: 10.1097/pec.0000000000003165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/09/2024]
Abstract
OBJECTIVES Information obtained from point-of-care ultrasound during cardiopulmonary arrest and resuscitation (POCUS-CA) can be used to identify underlying pathophysiology and provide life-sustaining interventions. However, integration of POCUS-CA into resuscitation care is inconsistent. We used expert consensus building methodology to help identify discrete barriers to clinical integration. We subsequently applied implementation science frameworks to generate generalizable strategies to overcome these barriers. MEASURES AND MAIN RESULTS Two multidisciplinary expert working groups used KJ Reverse-Merlin consensus building method to identify and characterize barriers contributing to failed POCUS-CA utilization in a hypothetical future state. Identified barriers were organized into affinity groups. The Center for Implementation Research (CFIR) framework and Expert Recommendations for Implementing Change (CFIR-ERIC) tool were used to identify strategies to guide POCUS-US implementation. RESULTS Sixteen multidisciplinary resuscitation content experts participated in the working groups and identified individual barriers, consolidated into 19 unique affinity groups that mapped 12 separate CFIR constructs, representing all 5 CFIR domains. The CFIR-ERIC tool identified the following strategies as most impactful to address barriers described in the affinity groups: identify and prepare champions, conduct local needs assessment, conduct local consensus discussions, and conduct educational meetings. CONCLUSIONS KJ Reverse-Merlin consensus building identified multiple barriers to implementing POCUS-CA. Implementation science methodologies identified and prioritized strategies to overcome barriers and guide POCUS-CA implementation across diverse clinical settings.
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Affiliation(s)
| | - Lauren J White
- Department of Pediatrics, Critical Care Medicine, Yale New Haven Children's Hospital, Yale School of Medicine, New Haven, CT
| | - Samuel Rosenblatt
- From the Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia
| | | | - Felipe Teran
- Department of Emergency Medicine, Weill Cornell Medical College, New York, NY
| | | | - Adam S Himebauch
- From the Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia
| | - Christie Glau
- From the Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia
| | - Akira Nishisaki
- From the Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia
| | - Thomas W Conlon
- From the Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia
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Cheon EJ, Yoon JM. Reliability of renal point-of-care ultrasound (POCUS) performed by pediatric postgraduates to diagnose hydronephrosis in infants. Front Pediatr 2024; 12:1361223. [PMID: 38655276 PMCID: PMC11035807 DOI: 10.3389/fped.2024.1361223] [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: 12/25/2023] [Accepted: 03/25/2024] [Indexed: 04/26/2024] Open
Abstract
Purpose Point-of-care ultrasound (POCUS) has gained prominence in a variety of medical specialties due to advances in ultrasound technology. POCUS has not been fully integrated into pediatric residency training programs despite its widespread use and proven benefits. At our institution, renal POCUS is performed by pediatric residents for the evaluation of hydronephrosis, which is the main pathology for which ultrasound is used in the clinical practice of pediatric nephrology. This study was conducted to evaluate the quality of renal POCUS performed by pediatric residents in infants. Methods Four pediatric residents, comprising two first-year and two second-year residents at Konyang University Hospital, participated in the study conducted from May 2021 to May 2022. All participants had completed our Point-of-Care Ultrasound (POCUS) training program. The study focused on infants admitted to the pediatric inpatient unit, identified by attending physicians as requiring renal ultrasound. All infants underwent their initial kidney ultrasound examination. Temporal alignment between renal Point-of-Care Ultrasound (POCUS) performed by pediatric residents and conventional ultrasound (USG) conducted by radiologists was asynchronous. Pediatric residents conducted POCUS sessions during scheduled radiologist appointments throughout the day, occurring either before or after the radiologist's examination. There was no mutual awareness of each other's results. Inter-observer agreement between radiologists and pediatric residents was compared for the presence or absence of hydronephrosis and its grade, which are primary considerations in pediatric renal ultrasound. Results Our study found that 53 infants (68.8%) were diagnosed with hydronephrosis using point-of-care ultrasound (POCUS), compared to 48 infants (62.3%) diagnosed with conventional ultrasound (USG). Among the POCUS examinations conducted by pediatric residents, hydronephrosis of SFU grades 1, 2, 3, and 4 were observed in 56.6%, 35.8%, 7.5%, and 0%, respectively. Inter-observer reliability between POCUS and conventional USG showed good agreement, with Cohen's kappa coefficients exceeding 0.8 for sensitivity and 0.6 for grading. Conclusions Renal POCUS performed well in diagnosing and grading hydronephrosis in infants when performed by pediatric residents who had completed a two-phase training program.
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Affiliation(s)
- Eun Jung Cheon
- Department of Pediatrics, Chungbuk National University Hospital, Cheongju, Republic of Korea
| | - Jung Min Yoon
- Department of Pediatrics, Konyang University Hospital, Daejeon, Republic of Korea
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Naber CE, Salt MD. POCUS in the PICU: A Narrative Review of Evidence-Based Bedside Ultrasound Techniques Ready for Prime-Time in Pediatric Critical Care. J Intensive Care Med 2024:8850666231224391. [PMID: 38193214 DOI: 10.1177/08850666231224391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
Point-of-care ultrasound (POCUS) is an accessible technology that can identify and treat life-threatening pathology in real time without exposing children to ionizing radiation. We aim to review current evidence supporting the use of POCUS by pediatric intensivists with novice-level experience with bedside ultrasound. Current evidence supports the universal adoption of POCUS-guided internal jugular venous catheter placement and arterial line placement by pediatric critical care physicians. Focused cardiac ultrasound performed by PICU physicians who have completed appropriate training with quality assurance measures in place can identify life-threatening cardiac pathology in most children and important physiological changes in children with septic shock. POCUS of the lungs, pleural space, and diaphragm have great potential to provide valuable information at the bedside after validation of these techniques for use in the PICU with additional research. Based on currently available evidence, a generalizable and attainable POCUS educational platform for pediatric intensivists should include training in vascular access techniques and focused cardiac examination. A POCUS educational program should strive to establish credentialing and quality assurance programs that can be expanded when additional research validates the adoption of additional POCUS techniques by pediatric intensive care physicians.
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Affiliation(s)
- Catherine E Naber
- Emergency Medicine, Massachusetts General Hospital; Pediatrics, Harvard Medical School, Boston, MA, USA
| | - Michael D Salt
- Massachusetts General Hospital; Pediatrics, Harvard Medical School, Boston, MA, USA
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Lintner Rivera M, Prager R, Gushu MB, June S, Phiri T, Salameh JP, Johnson HC, Taylor T, O'Brien NF. Point-of-care Ultrasound to Assess Hemodynamic Contributors to Acute Kidney Injury in Pediatric Patients With Cerebral Malaria: A Pilot Study. Pediatr Infect Dis J 2023; 42:844-850. [PMID: 37409812 DOI: 10.1097/inf.0000000000004021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/07/2023]
Abstract
BACKGROUND Acute kidney injury is common in severe malaria and is independently associated with mortality. The pathogenesis of acute kidney injury (AKI) in severe malaria remains incompletely understood. Ultrasound-based tools such as point-of-care ultrasound (POCUS), ultrasound cardiac output monitors (USCOMs) and renal arterial resistive index (RRI) can be used to detect hemodynamic and renal blood flow abnormalities contributing to AKI in malaria. METHODS We conducted a prospective study of Malawian children with cerebral malaria to determine the feasibility of using POCUS and USCOM to characterize hemodynamic contributors to severe AKI (Kidney Disease: Improving Global Outcomes stage 2 or 3). The primary outcome was feasibility (completion rate of study procedures). We also assessed for differences in POCUS and hemodynamic variables for patients with or without severe AKI. RESULTS We enrolled 27 patients who had admission cardiac and renal ultrasounds and USCOM. Completion rates were high for cardiac (96%), renal (100%) and USCOM studies (96%). Severe AKI occurred in 13 of 27 patients (48%). No patients had ventricular dysfunction. Only 1 patient in the severe AKI group was determined to be hypovolemic ( P = 0.64). No significant differences in USCOM, RRI or venous congestion parameters were detected among patients with and without severe AKI. Mortality was 11% (3/27) with the 3 deaths occurring in the severe AKI group ( P = 0.056). CONCLUSIONS Ultrasound-based cardiac, hemodynamic and renal blood flow measurements appear to be feasible in pediatric patients with cerebral malaria. We were unable to detect hemodynamic or renal blood flow abnormalities contributing to severe AKI in cerebral malaria. Larger studies are needed to corroborate these findings.
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Affiliation(s)
- Michael Lintner Rivera
- From the Department of Pediatrics, Division of Critical Care Medicine, University of Maryland Children's Hospital, Baltimore, MD
| | - Ross Prager
- Critical Care Medicine, Schulich Medicine and Dentistry, Western University, London Health Sciences Center, London, Ontario, Canada
| | | | - Sylvester June
- Queen Elizabeth Central Hospital, The Blantyre Malaria Project, Blantyre, Malawi
| | - Tusekile Phiri
- Queen Elizabeth Central Hospital, The Blantyre Malaria Project, Blantyre, Malawi
| | - Jean-Paul Salameh
- Faculty of Health Sciences, Queen's University, Kingston, Ontario, Canada
| | - Hunter C Johnson
- Department of Pediatrics, Division of Critical Care Medicine, Nationwide Children's Hospital, The Ohio State University, Columbus, Ohio
| | - Terrie Taylor
- Department of Osteopathic Medical Specialties, College of Osteopathic Medicine, Michigan State University, E. Lansing, MI
| | - Nicole F O'Brien
- Department of Pediatrics, Division of Critical Care Medicine, Nationwide Children's Hospital, The Ohio State University, Columbus, Ohio
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Abstract
Shock occurs when there is energy failure due to inadequate oxygen/glucose delivery to meet metabolic demands. Shock is a leading cause of death and disability in children worldwide. Types of shock include hypovolemic, cardiogenic, distributive, and obstructive. This review provides an overview of the epidemiology, pathophysiology, and clinical signs and symptoms of each of these types of shock, followed by a discussion of advancements in diagnostic tests and tools and management/treatment principles for different categories of shock.
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Affiliation(s)
- Ashley Bjorklund
- Department of Pediatrics, Hennepin Healthcare, Minneapolis, MN
- Division of Pediatric Critical Care, University of Minnesota, Minneapolis, MN
| | - Joseph Resch
- Department of Pediatrics, Hennepin Healthcare, Minneapolis, MN
- Division of Pediatric Critical Care, University of Minnesota, Minneapolis, MN
| | - Tina Slusher
- Department of Pediatrics, Hennepin Healthcare, Minneapolis, MN
- Division of Pediatric Critical Care, University of Minnesota, Minneapolis, MN
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Arichai P, Delaney M, Slamowitz A, Rosario R, Gordish-Dressman H, Basu S, Kern J, Maxwell A, Abo A. Pediatric Residency Point-of-Care Ultrasound Training Needs Assessment and Educational Intervention. Cureus 2022; 14:e28696. [PMID: 36204025 PMCID: PMC9527041 DOI: 10.7759/cureus.28696] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/01/2022] [Indexed: 11/06/2022] Open
Abstract
Background Prior studies showed that point-of-care ultrasound (POCUS) training is not commonly offered in pediatric residency. We assessed the need for a pediatric POCUS curriculum by evaluating pediatric trainees’ attitudes toward the use of POCUS and identifying barriers to training. We also aimed to evaluate the impact of a POCUS educational intervention on self-efficacy and behavior. Methods We conducted a cross-sectional survey of pediatric residents in a single large freestanding children’s hospital distributed via an institutional listserv and administered online. The survey included opinion-rating of statements regarding POCUS and barriers to training. We also offered a two-week POCUS course with online modules and hands-on scanning. Participating residents completed pre- and post-course knowledge assessments and follow-up surveys up to 12 months following the course to assess POCUS use and self-report confidence on POCUS indications, acquisition, interpretation, and clinical application. Results Forty-nine respondents were included in the survey representing all three pediatric levels with 16 specialty interest areas. Ninety-six percent of trainees reported that POCUS is an important skill in pediatrics. Ninety-two percent of trainees reported that residency programs should teach residents how to use POCUS. The most important perceived barriers to POCUS training were scheduling availability for POCUS rotations and lack of access to an ultrasound machine. Fourteen participants completed the pre- and post-course knowledge tests, with eight and six participants also completing the six- and 12-month follow-up surveys, respectively. Self-ratings of confidence were significantly improved post-intervention in indications (P = 0.007), image acquisition (P = 0.002), interpretation (P = 0.002), and clinical application (P = 0.004). This confidence improvement was sustained up to 6-12 months (P = 0.004-0.032). Participants also reported higher categorical POCUS use after course completion (P = 0.031). Conclusions Pediatric trainees perceive POCUS as an important skill, hold favorable opinions towards the use of POCUS, and support POCUS training within a pediatric residency. A POCUS course can improve resident POCUS knowledge, instill confidence, and motivate higher POCUS use. Further study is needed to evaluate POCUS applications in pediatric medicine to develop a standardized POCUS curriculum and establish a training guideline for pediatric residency.
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Persson JN, Kim JS, Good RJ. Diagnostic Utility of Point-of-Care Ultrasound in the Pediatric Cardiac Intensive Care Unit. CURRENT TREATMENT OPTIONS IN PEDIATRICS 2022; 8:151-173. [PMID: 36277259 PMCID: PMC9264295 DOI: 10.1007/s40746-022-00250-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 06/08/2022] [Indexed: 12/26/2022]
Abstract
Purpose of Review Recent Findings Summary Supplementary Information
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Affiliation(s)
- Jessica N. Persson
- Division of Cardiology, Department of Pediatrics, University of Colorado School of Medicine, Children’s Hospital Colorado, 13123 East 16th, Avenue, Box 100, Aurora, CO 80045 USA
- Division of Critical Care Medicine, Department of Pediatrics, University of Colorado School of Medicine, Children’s Hospital Colorado, 13123 East 16th, Avenue, Box 100, Aurora, CO 80045 USA
| | - John S. Kim
- Division of Cardiology, Department of Pediatrics, University of Colorado School of Medicine, Children’s Hospital Colorado, 13123 East 16th, Avenue, Box 100, Aurora, CO 80045 USA
| | - Ryan J. Good
- Division of Critical Care Medicine, Department of Pediatrics, University of Colorado School of Medicine, Children’s Hospital Colorado, 13123 East 16th, Avenue, Box 100, Aurora, CO 80045 USA
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Lung Ultrasound Artifact Findings in Pediatric Patients Admitted to the Intensive Care Unit for Acute Respiratory Failure. J Ultrasound 2022; 25:929-937. [PMID: 35397743 PMCID: PMC8994848 DOI: 10.1007/s40477-022-00675-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 03/05/2022] [Indexed: 10/25/2022] Open
Abstract
PURPOSE To describe point-of-care lung ultrasound (POC-LUS) artifact findings in children admitted to the pediatric intensive care unit (PICU) for acute respiratory failure (ARF). METHODS This is a secondary analysis of a prospective observational study completed in a 21-bed PICU. Children > 37 weeks gestational age and ≤ 18 years were enrolled from December 2018 to February 2020. POC-LUS was completed and interpreted by separate physicians blinded to all clinical information. POC-LUS was evaluated for the presence of lung sliding, pleural line characteristics, ultrasound artifacts, and the ultrasound diagnosis. RESULTS Eighty-seven subjects were included. A-lines were the most frequent artifact, occurring in 58% of lung zones (163/281) in those with bronchiolitis, 39% of lung zones (64/164) in those with pneumonia, and 81% of lung zones (48/59) in those with status asthmaticus. Sub-pleural consolidation was second most common, occurring in 28% (80/281), 30% (50/164), and 12% (7/59) of those with bronchiolitis, pneumonia, and status asthmaticus, respectively. The pattern a priori defined as bronchiolitis, pneumonia, and status asthmaticus was demonstrated in 31% (15/48), 10% (3/29), and 40% (4/10) of subjects with bronchiolitis, pneumonia, and status asthmaticus, respectively. CONCLUSION We found significant heterogeneity and overlap of POC-LUS artifacts across the most common etiologies of ARF in children admitted to the PICU. We have described the POC-LUS artifact findings in pediatric ARF to support clinicians using POC-LUS and to guide future pediatric POC-LUS studies. Determining the optimal role of POC-LUS as an adjunct in the care of pediatric patients requires further study.
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Burton L, Bhargava V, Kong M. Point-of-Care Ultrasound in the Pediatric Intensive Care Unit. Front Pediatr 2022; 9:830160. [PMID: 35178366 PMCID: PMC8845897 DOI: 10.3389/fped.2021.830160] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 12/29/2021] [Indexed: 12/30/2022] Open
Abstract
Ultrasonography has been widely used in medicine for decades but often by specific users such as cardiologists, obstetricians, and radiologists. In the last several years, the use of this imaging modality has moved to the bedside, with clinicians performing and interpreting focused point of care ultrasonography to aid in immediate assessment and management of their patients. The growth of point of care ultrasonography has been facilitated by advancement in ultrasound-related technology and emerging studies and protocols demonstrating its utility in clinical practice. However, considerable challenges remain before this modality can be adopted across the spectrum of disciplines, primarily as it relates to training, competency, and standardization of usage. This review outlines the history, current state, challenges and the future direction of point of care ultrasonography specifically in the field of pediatric critical care medicine.
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