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Ikeyama T, Hozumi T, Kikuyama K, Niles D, Nadkarni V, Ito K. Chest Compression Depth Targets in Critically Ill Infants and Children Measured With a Laser Distance Meter: Single-Center Retrospective Study From Japan, 2019-2022. Pediatr Crit Care Med 2024; 25:720-727. [PMID: 38602429 DOI: 10.1097/pcc.0000000000003515] [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: 04/12/2024]
Abstract
OBJECTIVES Current resuscitation guidelines recommend target chest compression depth (CCd) of approximately 4cm for infants and 5cm for children. Previous reports based on chest CT suggest these recommended CCd targets might be too deep for younger children. Our aim was to examine measurements of anterior-posterior chest diameter (APd) with a laser distance meter and calculate CCd targets in critically ill infants and children. DESIGN A retrospective descriptive study. SETTING Single-center PICU, using data from May 2019 to May 2022. PATIENTS All critically ill children admitted to PICU and under 8 years old were eligible to be included in the retrospective cohort. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS The chest APd measurements using a laser distance meter are part of our usual practice on the PICU. Target CCd and the over-compression threshold CCd for each age group was calculated as 1/3 and 1/2 of APd, respectively. In 555 patients, the median (interquartile range) of the calculated target CCd for each age group was: 2.7 cm (2.5-2.9 cm), 2.9 cm (2.7-3.2 cm), 3.2 cm (3-3.5 cm), 3.4 cm (3.2-3.6 cm), 3.4 cm (3.2-3.6 cm), 3.6 cm (3.4-3.8 cm), 3.6 cm (3.4-4 cm), and 4 cm (3.5-4.2 cm), for 0, 2, 3-5, 6-8, 9-11, 12-17, 18-23, 24 to less than 60, and 60 to less than 96 months, respectively. Using guideline-recommended absolute CCd targets, 4 cm for infants and 5 cm for children, 49% of infants between 0 and 2 months, and 45.5% of children between 12 and 17 months would be over-compressed during cardiopulmonary resuscitation. CONCLUSIONS In our cohort, the 1/3 CCd targets calculated from APd measured by laser meter were shallower than the guideline-recommended CCd. Further studies including evaluating hemodynamics during cardiopulmonary resuscitation with these shallower CCd targets are needed.
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Affiliation(s)
- Takanari Ikeyama
- Center for Pediatric Emergency and Critical Care Medicine, Aichi Children's Health and Medical Center, Aichi, Japan
- Department of Comprehensive Pediatric Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Takunori Hozumi
- Center for Pediatric Emergency and Critical Care Medicine, Aichi Children's Health and Medical Center, Aichi, Japan
| | - Kazuki Kikuyama
- Center for Pediatric Emergency and Critical Care Medicine, Aichi Children's Health and Medical Center, Aichi, Japan
| | - Dana Niles
- Departments of Anesthesiology, Critical Care Medicine, and Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Vinay Nadkarni
- Departments of Anesthesiology, Critical Care Medicine, and Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Komei Ito
- Department of Comprehensive Pediatric Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
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Eimer C, Huhndorf M, Sattler O, Feth M, Jansen O, Gräsner JT, Lorenzen U, Albrecht M, Grünewald M, Reifferscheid F, Seewald S. Optimal Chest Compression Point During Pediatric Resuscitation: Implications for Pediatric Resuscitation Practice by CT Scans. Pediatr Crit Care Med 2024:00130478-990000000-00360. [PMID: 38921055 DOI: 10.1097/pcc.0000000000003553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/27/2024]
Abstract
OBJECTIVES Current European guidelines for pediatric cardiopulmonary resuscitation (CPR) recommend the lower half of the sternum as the chest compression point (CP). In this study, we have used thoracic CT scans to evaluate recommended and optimal CP in relation to cardiac anatomy and structure. DESIGN Analysis of routinely acquired thoracic CT scans acquired from 2000 to 2020. SETTING Single-center pediatric department in a German University Hospital. PATIENTS Imaging data were obtained from 290 patients of 3-16 years old. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS We measured and analyzed 14 thoracic metrics in each thoracic CT scan. In 44 of 290 (15.2%) scans, the recommended CP did not match the level of the cardiac ventricles. Anatomically, the optimal CP was one rib or one vertebral body lower than the recommended CP, that is, the optimal CP was more caudal to the level of the body of the sternum in 67 of 290 (23.1%) scans. The recommended compression depth appeared reasonable in children younger than 12 years old. At 12 years old or older, the maximum compression depth of 6 cm is less than or equal to one-third of the thoracic depth. CONCLUSIONS In this study of thoracic CT scans in children 3-16 years old, we have found that optimal CP for CPR appears to be more caudal than the recommended CP. Therefore, it seems reasonable to prefer to use the lower part of the sternum for CPR chest compressions. At 12 years old or older, a compression depth similar to that used in adults-6 cm limit-may be chosen.
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Affiliation(s)
- Christine Eimer
- Department of Anesthesiology and Intensive Care Medicine, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Monika Huhndorf
- Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Ole Sattler
- Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Maximilian Feth
- Department of Anesthesiology, Intensive Care Medicine, Emergency Medicine and Pain Therapy, Armed Forces Hospital, Ulm, Germany
| | - Olav Jansen
- Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Jan-Thorsten Gräsner
- Department of Anesthesiology and Intensive Care Medicine, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
- Emergency Medicine, Institute for Emergency Medicine, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Ulf Lorenzen
- Department of Anesthesiology and Intensive Care Medicine, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Martin Albrecht
- Department of Anesthesiology and Intensive Care Medicine, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Matthias Grünewald
- Department of Anesthesiology and Intensive Care Medicine, Amalie Sieveking Hospital, Hamburg, Germany
| | - Florian Reifferscheid
- Department of Anesthesiology and Intensive Care Medicine, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
- Medical Service, German Air Rescue Service Association "DRF Luftrettung," Filderstadt, Germany
| | - Stephan Seewald
- Department of Anesthesiology and Intensive Care Medicine, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
- Emergency Medicine, Institute for Emergency Medicine, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
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Ong GY, Kurosawa H, Ikeyama T, Park JD, Katanyuwong P, Reyes OC, Wu ET, Hon KLE, Maconochie IK, Shepard LN, Nadkarni VM, Ng KC. Comparison of paediatric basic life support guidelines endorsed by member councils of Resuscitation Council of Asia. Resusc Plus 2023; 16:100506. [PMID: 38033347 PMCID: PMC10685309 DOI: 10.1016/j.resplu.2023.100506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 10/25/2023] [Accepted: 11/01/2023] [Indexed: 12/02/2023] Open
Abstract
Background Paediatric cardiac arrest outcomes, especially for infants, remain poor. Due to different training, resource differences, and historical reasons, paediatric cardiac arrest algorithms for various Asia countries vary. While there has been a common basic life support algorithm for adults by the Resuscitation Council of Asia (RCA), there is no common RCA algorithm for paediatric life support.We aimed to review published paediatric life support guidelines from different Asian resuscitation councils. Methods Pubmed and Google Scholar search were performed for published paediatric basic and advanced life support guidelines from January 2015 to June 2023. Paediatric representatives from the Resuscitation Council of Asia were sought and contacted to provide input from September 2022 till June 2023. Results While most of the components of published paediatric life support algorithms of Asian countries are similar, there are notable variations in terms of age criteria for recommended use of adult basic life support algorithms in the paediatric population less than 18 years old, recommended paediatric chest compression depth targets, ventilation rates post-advanced airway intra-arrest, and first defibrillation dose for shockable rhythms in paediatric cardiac arrest. Conclusion This was an overview and mapping of published Asian paediatric resuscitation algorithms. It highlights similarities across paediatric life support guidelines in Asian countries. There were some differences in components of paediatric life support which highlight important knowledge gaps in paediatric resuscitation science. The minor differences in the paediatric life support guidelines endorsed by the member councils may provide a framework for prioritising resuscitation research and highlight knowledge gaps in paediatric resuscitation.
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Affiliation(s)
- Gene Y. Ong
- Children’s Emergency, KK Women’s and Children’s Hospital, Singapore
- Duke-NUS Graduate Medical School, Singapore
| | - Hiroshi Kurosawa
- Division of Pediatric Critical Care Medicine, Hyogo Prefectural Kobe Children’s Hospital, Japan
| | - Takanari Ikeyama
- Center for Pediatric Emergency and Critical Care Medicine, Aichi Children's Health and Medical Center, Japan
- Department of Comprehensive Pediatric Medicine, Nagoya University Graduate School of Medicine, Japan
| | - June Dong Park
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
| | - Poomiporn Katanyuwong
- Department of Pediatrics, Division of Cardiology, Department of Pediatric, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Olivia C.F. Reyes
- Division of Pediatric Emergency Medicine, Philippine General Hospital, Manila, Philippines
| | - En-Ting Wu
- Department of Pediatrics, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taiwan
| | - Kam Lun Ellis Hon
- Department of Paediatrics, CUHKMC, The Chinese University of Hong Kong, Hong Kong
- Pediatric Intensive Care Unit, Department of Paediatrics and Adolescent Medicine, Hong Kong Children's Hospital, Hong Kong
| | - Ian K. Maconochie
- Paediatric Emergency Medicine, Imperial College Healthcare Trust NHS, London, United Kingdom
| | - Lindsay N. Shepard
- Department of Anesthesiology, Critical Care, and Pediatrics, Children’s Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia, United States of America
| | - Vinay M. Nadkarni
- Department of Anesthesiology, Critical Care, and Pediatrics, Children’s Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia, United States of America
| | - Kee Chong Ng
- Children’s Emergency, KK Women’s and Children’s Hospital, Singapore
- Duke-NUS Graduate Medical School, Singapore
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O'Connell KJ, Sandler A, Dutta A, Ahmed R, Neubrand T, Myers S, Kerrey B, Donoghue A. The effect of hand position on chest compression quality during CPR in young children: Findings from the Videography in Pediatric Resuscitation (VIPER) collaborative. Resuscitation 2023; 185:109741. [PMID: 36805098 DOI: 10.1016/j.resuscitation.2023.109741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 02/09/2023] [Accepted: 02/10/2023] [Indexed: 02/18/2023]
Abstract
OBJECTIVE To determine the effect of hand position on chest compression (CC) quality during CPR in young children. METHODS Prospective observational exploratory study. Patients < 8 years receiving CC for > 2 minutes were enrolled. Data was collected from video review and CC monitor device and analyzed in 'CC segments' (periods of CC by individual providers). Four techniques were compared: two thumbs (2 T), hands encircling the chest; two fingers (2F) on the sternum; one hand on sternum (1H); two hands on sternum (2H). Univariate analysis of CC rate and depth between hand positions was performed through nonparametric testing, stratified by age category. RESULTS 47 patients received 824 minutes of CC. Among 270 CC segments in infants < 1 yo, 2 T was used in 27%; 2F 3%; 1H 18%; 2H 26%. Among 189 CC segments in children aged 1 to 8 yo, 1H was used in 26%; 2H 74%. Across all segments, median CC rate was 117 cpm (IQR 110-125). Median depth was 2.92 cm (IQR 2.44 - 4.04) in infants < 1 yo, 3.56 cm (IQR 2.92 - 4.14) in children 1 to 8 yo. 1H achieved greater depth than 2 T in infants (p < 0.01), and 2H achieved greater depth than 1H in children > 1 (p < 0.001). CONCLUSIONS In infants, 1H resulted in greater CC depth than 2 T. In children 1 to 8 yo, 2H resulted in greater depth than 1H.. These data suggest that different hand position during CPR in young children from what is currently recommended may result in better CPR quality.
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Affiliation(s)
- Karen J O'Connell
- Division of Emergency Medicine, Department of Pediatrics, The George Washington School of Medicine and Health Sciences, Washington, DC, United States
| | - Alexis Sandler
- Division of Emergency Medicine, Department of Pediatrics, The George Washington School of Medicine and Health Sciences, Washington, DC, United States
| | - Anuj Dutta
- Division of Emergency Medicine, Department of Pediatrics, The George Washington School of Medicine and Health Sciences, Washington, DC, United States
| | - Ramzy Ahmed
- Division of Emergency Medicine, Department of Pediatrics, The George Washington School of Medicine and Health Sciences, Washington, DC, United States
| | - Tara Neubrand
- Division of Emergency Medicine, University of New Mexico School of Medicine, Albuquerque, NM, United States
| | - Sage Myers
- Division of Emergency Medicine, Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Benjamin Kerrey
- Division of Emergency Medicine, Department of Pediatrics, University of Cincinnati School of Medicine, Cincinnati, OH, United States
| | - Aaron Donoghue
- Division of Emergency Medicine, Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States; Division of Critical Care Medicine, Department of Anesthesia and Critical Care Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States.
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Van de Voorde P, Turner NM, Djakow J, de Lucas N, Martinez-Mejias A, Biarent D, Bingham R, Brissaud O, Hoffmann F, Johannesdottir GB, Lauritsen T, Maconochie I. [Paediatric Life Support]. Notf Rett Med 2021; 24:650-719. [PMID: 34093080 PMCID: PMC8170638 DOI: 10.1007/s10049-021-00887-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/19/2021] [Indexed: 12/11/2022]
Abstract
The European Resuscitation Council (ERC) Paediatric Life Support (PLS) guidelines are based on the 2020 International Consensus on Cardiopulmonary Resuscitation Science with Treatment Recommendations of the International Liaison Committee on Resuscitation (ILCOR). This section provides guidelines on the management of critically ill or injured infants, children and adolescents before, during and after respiratory/cardiac arrest.
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Affiliation(s)
- Patrick Van de Voorde
- Department of Emergency Medicine, Faculty of Medicine UG, Ghent University Hospital, Gent, Belgien
- Federal Department of Health, EMS Dispatch Center, East & West Flanders, Brüssel, Belgien
| | - Nigel M. Turner
- Paediatric Cardiac Anesthesiology, Wilhelmina Children’s Hospital, University Medical Center, Utrecht, Niederlande
| | - Jana Djakow
- Paediatric Intensive Care Unit, NH Hospital, Hořovice, Tschechien
- Paediatric Anaesthesiology and Intensive Care Medicine, University Hospital Brno, Medical Faculty of Masaryk University, Brno, Tschechien
| | | | - Abel Martinez-Mejias
- Department of Paediatrics and Emergency Medicine, Hospital de Terassa, Consorci Sanitari de Terrassa, Barcelona, Spanien
| | - Dominique Biarent
- Paediatric Intensive Care & Emergency Department, Hôpital Universitaire des Enfants, Université Libre de Bruxelles, Brüssel, Belgien
| | - Robert Bingham
- Hon. Consultant Paediatric Anaesthetist, Great Ormond Street Hospital for Children, London, Großbritannien
| | - Olivier Brissaud
- Réanimation et Surveillance Continue Pédiatriques et Néonatales, CHU Pellegrin – Hôpital des Enfants de Bordeaux, Université de Bordeaux, Bordeaux, Frankreich
| | - Florian Hoffmann
- Pädiatrische Intensiv- und Notfallmedizin, Kinderklinik und Kinderpoliklinik im Dr. von Haunerschen Kinderspital, Ludwig-Maximilians-Universität, München, Deutschland
| | | | - Torsten Lauritsen
- Paediatric Anaesthesia, The Juliane Marie Centre, University Hospital of Copenhagen, Kopenhagen, Dänemark
| | - Ian Maconochie
- Paediatric Emergency Medicine, Faculty of Medicine Imperial College, Imperial College Healthcare Trust NHS, London, Großbritannien
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Ong GYK, Ang AJF, S O Aurangzeb A, Fong ESS, Tan JY, Chen ZJ, Chan YH, Tang PH, Pek JH, Maconochie I, Ng KC, Nadkarni V. What is the potential for over-compression using current paediatric chest compression guidelines? - A chest computed tomography study. Resusc Plus 2021; 6:100112. [PMID: 34223372 PMCID: PMC8244421 DOI: 10.1016/j.resplu.2021.100112] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 03/08/2021] [Accepted: 03/11/2021] [Indexed: 02/03/2023] Open
Abstract
Aim We explored the potential for over-compression from current paediatric chest compression depth guidelines using chest computed tomography(CT) images of a large, heterogenous, Asian population. Methods A retrospective review of consecutive children, less than 18-years old, with chest CT images performed between from 2005 to 2017 was done. Demographic data were extracted from the electronic medical records. Measurements for internal and external anterior-posterior diameters (APD) were taken at lower half of the sternum. Simulated chest compressions were performed to evaluate the proportion of the population with residual internal cavity dimensions less than 0 mm (RICD < 0 mm, representing definite over-compression; with chest compression depth exceeding internal APD), and RICD less than 10 mm (RICD < 10 mm, representing potential over-compression). Results 592 paediatric chest CT studies were included for the study. Simulated chest compressions of one-third external APD had the least potential for over-compression; no infants and 0.3% children had potential over-compression (RICD < 10 mm). 4 cm simulated chest compressions led to 18% (95% CI 13%-24%) of infants with potential over-compression, and this increased to 34% (95% CI 27%-41%) at 4.4 cm (upper limit of "approximately" 4 cm; 4 cm + 10%). 5 cm simulated compressions resulted in 8% (95% CI 4%-12%) of children 1 to 8-years-old with potential over-compression, and this increased to 22% (95% CI 16%-28%) at 5.5 cm (upper limit of "approximately" 5 cm, 5 cm + 10%). Conclusion In settings whereby chest compression depths can be accurately measured, compressions at the current recommended chest compression of approximately 4 cm (in infants) and 5 cm (in young children) could result in potential for over-compression.
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Affiliation(s)
| | | | | | | | - Jun Yuan Tan
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Zhao Jin Chen
- Biostatistics Unit, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Yiong Huak Chan
- Biostatistics Unit, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Phua Hwee Tang
- Department of Diagnostic Imaging, KK Women's and Children's Hospital, Singapore
| | - Jen Heng Pek
- Department of Emergency Medicine, Sengkang General Hospital, Singapore
| | - Ian Maconochie
- Accident and Emergency Service, St Mary's Hospital, London, United Kingdom.,Department of Medicine, Imperial College, Kensington, London, United Kingdom
| | - Kee Chong Ng
- Children's Emergency, KK Women's and Children's Hospital, Singapore
| | - Vinay Nadkarni
- Center for Simulation, Advanced Education and Innovation, Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, Philadelphia, USA
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Van de Voorde P, Turner NM, Djakow J, de Lucas N, Martinez-Mejias A, Biarent D, Bingham R, Brissaud O, Hoffmann F, Johannesdottir GB, Lauritsen T, Maconochie I. European Resuscitation Council Guidelines 2021: Paediatric Life Support. Resuscitation 2021; 161:327-387. [PMID: 33773830 DOI: 10.1016/j.resuscitation.2021.02.015] [Citation(s) in RCA: 151] [Impact Index Per Article: 50.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
These European Resuscitation Council Paediatric Life Support (PLS) guidelines, are based on the 2020 International Consensus on Cardiopulmonary Resuscitation Science with Treatment Recommendations. This section provides guidelines on the management of critically ill infants and children, before, during and after cardiac arrest.
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Affiliation(s)
- Patrick Van de Voorde
- Department of Emergency Medicine Ghent University Hospital, Faculty of Medicine UG, Ghent, Belgium; EMS Dispatch Center, East & West Flanders, Federal Department of Health, Belgium.
| | - Nigel M Turner
- Paediatric Cardiac Anesthesiology, Wilhelmina Children's Hospital, University Medical Center, Utrecht, Netherlands
| | - Jana Djakow
- Paediatric Intensive Care Unit, NH Hospital, Hořovice, Czech Republic; Paediatric Anaesthesiology and Intensive Care Medicine, University Hospital Brno, Medical Faculty of Masaryk University, Brno, Czech Republic
| | | | - Abel Martinez-Mejias
- Department of Paediatrics and Emergency Medicine, Hospital de Terassa, Consorci Sanitari de Terrassa, Barcelona, Spain
| | - Dominique Biarent
- Paediatric Intensive Care & Emergency Department, Hôpital Universitaire des Enfants, Université Libre de Bruxelles, Brussels, Belgium
| | - Robert Bingham
- Hon. Consultant Paediatric Anaesthetist, Great Ormond Street Hospital for Children, London, UK
| | - Olivier Brissaud
- Réanimation et Surveillance Continue Pédiatriques et Néonatales, CHU Pellegrin - Hôpital des Enfants de Bordeaux, Université de Bordeaux, Bordeaux, France
| | - Florian Hoffmann
- Paediatric Intensive Care and Emergency Medicine, Dr. von Hauner Children's Hospital, Ludwig-Maximilians-University, Munich, Germany
| | | | - Torsten Lauritsen
- Paediatric Anaesthesia, The Juliane Marie Centre, University Hospital of Copenhagen, Copenhagen, Denmark
| | - Ian Maconochie
- Paediatric Emergency Medicine, Imperial College Healthcare Trust NHS, Faculty of Medicine Imperial College, London, UK
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Applicability of Anatomical Landmarks for Chest Compression Depth in Cardiopulmonary Resuscitation for Children. Sci Rep 2020; 10:1921. [PMID: 32024899 PMCID: PMC7002608 DOI: 10.1038/s41598-020-58649-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 01/13/2020] [Indexed: 11/11/2022] Open
Abstract
We evaluated the applicability of the neck and sternal notch (SN) as anatomical landmarks for paediatric chest compression (CC) depth using chest computed tomography. The external anteroposterior diameter (EAPD) of the neck and chest at the SN level, mid-point between two landmarks (mid-landmark), and EAPD of the chest at the lower half of the sternum (EDLH) were measured. To estimate the depths of the landmarks from a virtual point at the same height as the position for CC, we calculated the differences between the EAPDs of the neck, SN, mid-landmark, and EDLH. We analysed the relationship between the depths of the landmarks and one-third EDLH using Bland–Altman plots. In all, 506 paediatric patients aged 1–9 years were enrolled. The depths of the neck, SN, and mid-landmark were 53.7 ± 10.0, 37.8 ± 8.5, and 45.8 ± 9.0 mm, respectively. The mean one-third EDLH was 46.8 ± 7.0 mm. The means of the differences between the depths of the neck and one-third EDLH, depths of the SN and one-third EDLH, and depths of the mid-landmark and one-third EDLH were 9.0, −6.9, and 1.0 mm, respectively. The SN and neck are inappropriate landmarks to guide compression depth in paediatric CPR.
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Liu JZ, Ye S, Cheng T, Han TY, Li Q, Li RX, Zhang Z, Li TY, He YR, Zeng Z, Cao Y. The effects of thoracic cage dimension and chest subcutaneous adipose tissue on outcomes of adults with in-hospital cardiac arrest: A retrospective study. Resuscitation 2019; 141:151-157. [PMID: 31238036 DOI: 10.1016/j.resuscitation.2019.06.278] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 06/11/2019] [Accepted: 06/16/2019] [Indexed: 02/05/2023]
Abstract
BACKGROUND The associations between thoracic cage dimension, chest subcutaneous adipose tissue (SAT) depth and outcomes of adults with in-hospital cardiac arrest (IHCA) remain unknown. METHODS We retrospectively evaluated IHCA patients between January 2016 and October 2017. The thoracic cage transverse diameter, internal AP diameter, cross-sectional area, anterior and posterior SAT depths were measured in computed-tomography (CT) images. Using logistic regression models, we determined the adjusted associations between thoracic cage dimension, SAT depths and the prognosis for IHCA. The primary outcome was sustained return of spontaneous circulation (ROSC) and the secondary outcome was survival to hospital discharge. RESULTS Among 423 IHCA patients, 258 patients achieved ROSC and 70 survived to discharge. Smaller cross-sectional area and posterior SAT depth were significantly related to ROSC. Smaller posterior SAT depth was associated with ROSC. After multivariate adjustment, the smaller cross-sectional area was independently associated with ROSC (Odds ratio [OR] 0.99, 95% confidence interval [95%CI] 0.99-1.00; p = 0.008) and survival to discharge (OR 0.99, 95%CI 0.98-1.00; p = 0.024), and the smaller posterior SAT depth was independently related to ROSC (OR 0.65, 95%CI 0.44-0.96; p = 0.030), whereas no relation to survival to discharge was found. CONCLUSIONS In adults with IHCA, the smaller thoracic cage dimension and posterior SAT depth are associated with better survival. An adjustable compression depth based on the thoracic cage dimension might be better than the "one-size-fits-all" compression depth for resuscitating CA patients. In addition, physicians should pay extra attention to compression efficacy when resuscitating obese patients.
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Affiliation(s)
- Jun-Zhao Liu
- Emergency Department, West China Hospital, Sichuan University, 37 Guoxue Road, Chengdu, Sichuan, China
| | - Sheng Ye
- Emergency Department, West China Hospital, Sichuan University, 37 Guoxue Road, Chengdu, Sichuan, China
| | - Tao Cheng
- Emergency Department, West China Hospital, Sichuan University, 37 Guoxue Road, Chengdu, Sichuan, China
| | - Tian-Yong Han
- Emergency Department, West China Hospital, Sichuan University, 37 Guoxue Road, Chengdu, Sichuan, China
| | - Qin Li
- Emergency Department, West China Hospital, Sichuan University, 37 Guoxue Road, Chengdu, Sichuan, China
| | - Rui-Xin Li
- Emergency Department, West China Hospital, Sichuan University, 37 Guoxue Road, Chengdu, Sichuan, China
| | - Zhuo Zhang
- Emergency Department, West China Hospital, Sichuan University, 37 Guoxue Road, Chengdu, Sichuan, China
| | - Tong-Yao Li
- Emergency Department, West China Hospital, Sichuan University, 37 Guoxue Road, Chengdu, Sichuan, China
| | - Ya-Rong He
- Emergency Department, West China Hospital, Sichuan University, 37 Guoxue Road, Chengdu, Sichuan, China
| | - Zhi Zeng
- Emergency Department, West China Hospital, Sichuan University, 37 Guoxue Road, Chengdu, Sichuan, China.
| | - Yu Cao
- Emergency Department, West China Hospital, Sichuan University, 37 Guoxue Road, Chengdu, Sichuan, China; Disaster Medicine Center, Sichuan University, China.
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