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Hannan J, Weiner G, Stirling L. Characterising applied forces during positive pressure ventilation: a randomised cross-over simulation study. BMJ Paediatr Open 2024; 8:e002828. [PMID: 39053968 DOI: 10.1136/bmjpo-2024-002828] [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: 06/18/2024] [Accepted: 07/03/2024] [Indexed: 07/27/2024] Open
Abstract
OBJECTIVE To characterise applied force on the face and head during simulated mask ventilation with varying mask, device and expertise level. DESIGN Randomised cross-over simulation study. SETTING A quiet, empty room in the children's hospital. PARTICIPANTS Neonatal healthcare providers, categorised as novices and experts in positive pressure ventilation (PPV). INTERVENTIONS PPV for 2 min each in a 2×2 within-subjects design with two masks (round and anatomic) and two ventilation devices (T-piece and self-inflating bag (SIB)). MAIN OUTCOME MEASURES Applied force (Newton (N)) measured under the head and at four locations on the manikin's face (nasal bridge, mentum, left and right zygomatic arches) and symmetry of force applied around the mask rim. RESULTS For the 51 participants, force applied to the head was greater with the SIB than the T-piece (mean (SD): 16.03 (6.96) N vs 14.31 (5.16) N) and greater with the anatomic mask than the round mask (mean (SD): 16.07 (6.80) N vs 14.26 (5.35) N). Underhead force decreased over the duration of PPV for all conditions. Force measured on the face was greatest at the left zygomatic arch (median (IQR): 0.97 (0.70-1.43) N) and least at the mentum (median (IQR): 0.44 (0.28-0.61) N). Overall, experts applied more equal force around the mask rim compared with novices (median (IQR): 0.46 (0.26-0.79) N vs 0.65 (0.24-1.18) N, p<0.001). CONCLUSION We characterised an initial dataset of applied forces on the face and head during simulated PPV and described differences in force when considering mask type, device type and expertise.
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Affiliation(s)
- Jacqueline Hannan
- Industrial and Operations Engineering, University of Michigan, Ann Arbor, Michigan, USA
| | - Gary Weiner
- Pediatrics-Neonatal, University of Michigan Hospital, Ann Arbor, Michigan, USA
| | - Leia Stirling
- Industrial and Operations Engineering, University of Michigan, Ann Arbor, Michigan, USA
- Robotics, University of Michigan, Ann Arbor, Michigan, USA
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Peters M, Stipulante S, Cloes V, Mulder A, Lebrun F, Donneau AF, Ghuysen A. Can Video Assistance Improve the Quality of Pediatric Dispatcher-Assisted Cardiopulmonary Resuscitation? Pediatr Emerg Care 2022; 38:e451-e457. [PMID: 34009900 DOI: 10.1097/pec.0000000000002392] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES This study aimed to evaluate the impact of adding video conferencing to dispatcher-assisted telephone cardiopulmonary resuscitation (CPR) on pediatric bystander CPR quality. METHODS We conducted a prospective, randomized manikin study among volunteers with no CPR training and among bachelor nurses. Volunteers randomly received either video or audio assistance in a 6-minute pediatric cardiac arrest scenario. The main outcome measures were the results of the Cardiff Test to assess compression and ventilation performance. RESULTS Of 255 candidates assessed for eligibility, 120 subjects were randomly assigned to 1 of the 4 following groups: untrained telephone-guided (U-T; n = 30) or video-guided (U-V; n = 30) groups and trained telephone-guided (T-T; n = 30) or video-guided (T-V; n = 30) groups. Cardiac arrest was appropriately identified in 86.7% of the U-T group and in 100% in the other groups (P = 0.0061). Hand positioning was adequate in 76.7% of T-T, 80% of T-V, and 60% of U-V, as compared with 23.4% of the U-T group (P = 0.0001). Fewer volunteers managed to deliver 2 rescue breaths/cycle (P = 0.0001) in the U-T (16.7%) compared with the U-V (43.3%), the T-T (56.7%), and the T-V groups (60%).Subjects in the video groups had a lower fraction of minute to ventilate as compared with the telephone groups (P = 0.0005). CONCLUSIONS In dispatcher-instructed children CPR simulation, using video assistance improves cardiac arrest recognition and CPR quality with more appropriate chest compression technique and ventilation delivering. The long interruptions in chest compression combined with the mixed success rate to deliver proper ventilation raise question about ventilation quality and its effectiveness.
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Affiliation(s)
- Michael Peters
- From the Department of Public Health, University of Liege
| | | | | | - André Mulder
- Department of Paediatric Critical Care, Centre Hospitalier Chrétien of Liège
| | - Frédéric Lebrun
- Department of Paediatric Critical Care, Centre Hospitalier Chrétien of Liège
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A novel retraining strategy of chest compression skills for infant CPR results in high skill retention for longer. Eur J Pediatr 2022; 181:4101-4109. [PMID: 36114832 PMCID: PMC9483516 DOI: 10.1007/s00431-022-04625-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 09/02/2022] [Accepted: 09/13/2022] [Indexed: 11/17/2022]
Abstract
Infant cardiopulmonary resuscitation (iCPR) is often poorly performed, predominantly because of ineffective learning, poor retention and decay of skills over time. The aim of this study was to investigate whether an individualized, competence-based approach to simulated iCPR retraining could result in high skill retention of infant chest compressions (iCC) at follow-up. An observational study with 118 healthcare students was conducted over 12 months from November 2019. Participants completed pediatric resuscitation training and a 2-min assessment on an infant mannequin. Participants returned for monthly assessment until iCC competence was achieved. Competence was determined by passing assessments in two consecutive months. After achieving competence, participants returned just at follow-up. For each 'FAIL' during assessment, up to six minutes of practice using real-time feedback was completed and the participant returned the following month. This continued until two consecutive monthly 'PASSES' were achieved, following which, the participant was deemed competent and returned just at follow-up. Primary outcome was retention of competence at follow-up. Descriptive statistics were used to analyze demographic data. Independent t-test or Mann-Whitney U test were used to analyze the baseline characteristics of those who dropped out compared to those remaining in the study. Differences between groups retaining competence at follow-up were determined using the Fisher exact test. On completion of training, 32 of 118 participants passed the assessment. Of those achieving iCC competence at month 1, 96% retained competence at 9-10 months; of those achieving competence at month 2, 86% demonstrated competence at 8-9 months; of those participants achieving competence at month 3, 67% retained competence at 7-8 months; for those achieving competence at month 4, 80% demonstrated retention at 6-7 months. Conclusion: Becoming iCC competent after initial training results in high levels of skill retention at follow-up, regardless of how long it takes to achieve competence. What is Known: • Infant cardiopulmonary resuscitation (iCPR) is often poorly performed and skills decay within months after training. • Regular iCPR skills updates are important, but the optimal retraining interval considering individual training needs has yet to be established. What is New: • Infant chest compression (iCC) competence can be achieved within one to four months after training and once achieved, it can be retained for many months. • With skill reinforcement of up to 28 minutes after initial training, 90% of individuals were able to achieve competence in iCC and 86% retained this competence at follow-up.
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Jahnsen J, González A, Fabres J, Bahamondes A, Estay A. Effect of two different chest compression techniques on ventilation during neonatal resuscitation. J Perinatol 2021; 41:1571-1574. [PMID: 33850287 DOI: 10.1038/s41372-021-01061-2] [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] [Received: 01/04/2021] [Revised: 03/15/2021] [Accepted: 03/30/2021] [Indexed: 11/09/2022]
Abstract
OBJECTIVE To assess tidal volume (Vt) and minute ventilation (MV) during cardiopulmonary resuscitation (CPR) with two different chest compressions techniques: two-finger (TFT) or two-thumb technique (TTT) in a neonatal model. METHODS Vt and MV were continuously measured during consecutive periods of resuscitation in an intubated manikin. Thirty participants performed the two compression techniques in a random order for 2-min periods while performing positive pressure ventilation using a T-piece resuscitator (TPR) or a self-inflating bag (SIB). RESULTS Vt during CPR with TFT was significantly higher than TTT with either TPR: 44.9 ± 4.3 vs 39.2 ± 5.4 ml (p < 0.001) or SIB: 39.2 ± 5.7 vs 35.6 ± 6.5 ml (p < 0.023). Similarly MV was significantly higher in TFT than TTT with either mode: 1346 ± 130 vs 1175 ± 162 ml/min, respectively, with TPR (p < 0.001) and 1177 ± 170 vs 1069 ± 196 ml/min with SIB (p < 0.03). CONCLUSIONS Chest compressions during CPR using the TFT achieved higher Vt and MV than TTT in this model of neonatal resuscitation.
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Affiliation(s)
- Johanne Jahnsen
- Department of Neonatology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alvaro González
- Department of Neonatology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.
| | - Jorge Fabres
- Department of Neonatology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alejandra Bahamondes
- Department of Neonatology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alberto Estay
- Department of Neonatology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
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Gugelmin-Almeida D, Clark C, Rolfe U, Jones M, Williams J. Dominant versus non-dominant hand during simulated infant CPR using the two-finger technique: a randomised study. Resusc Plus 2021; 7:100141. [PMID: 34223397 PMCID: PMC8244244 DOI: 10.1016/j.resplu.2021.100141] [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: 12/09/2020] [Revised: 05/10/2021] [Accepted: 05/16/2021] [Indexed: 11/28/2022] Open
Abstract
Aims The aim of this randomised study was to compare the two-finger technique (TFT) performance using dominant hand (DH) and non-dominant hand (NH) during simulated infant CPR (iCPR). Methods 24 participants performed 3-min iCPR using TFT with DH or NH followed by 3-min iCPR with their other hand. Perceived fatigue was rated using visual analogue scale. Primary outcomes - (i) difference between DH and NH for compression depth (CCD), compression rate (CCR), residual leaning (RL) and duty cycle (DC); (ii) difference between first and last 30 s of iCPR performance with DH and NH. Secondary outcomes - (i) perception of fatigue between DH and NH; (ii) relationship between perception of fatigue and iCPR performance. Results No significant difference between DH and NH for any iCPR metric. CCR (DH: P = 0.02; NH: P = 0.004) and DC (DH: P = 0.04; NH: P < 0.001) were significantly different for the last 30 s for DH and NH. Perception of fatigue for NH (76.8 ± 13.4 mm) was significantly higher (t = -3.7, P < 0.001) compared to DH (62.8 ± 12.5 mm). No significant correlation between iCPR metrics and perception of fatigue for DH. However, a significant correlation was found for CCR (r = 0.43; P = 0.04) and RL (r = -0.48; P = 0.02) for NH. Conclusion No difference in performance of iCPR with DH versus NH was determined. However, perception of fatigue is higher in NH and was related to CCR and RL, with no effect on quality of performance. Based on our results, individuals performing iCPR can offer similar quality of infant chest compressions regardless of the hand used or the perception of fatigue, under the conditions explored in this study.
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Affiliation(s)
- Debora Gugelmin-Almeida
- Faculty of Health and Social Sciences, Bournemouth University, Bournemouth Gateway Building, St. Pauls Lane, Bournemouth, BH8 8GP, England.,Department of Anaesthesiology, Main Theatres, Royal Bournemouth and Christchurch Hospitals, Castle Lane East, Bournemouth, BH7 7DW, England
| | - Carol Clark
- Faculty of Health and Social Sciences, Bournemouth University, Bournemouth Gateway Building, St. Pauls Lane, Bournemouth, BH8 8GP, England
| | - Ursula Rolfe
- Faculty of Health and Social Sciences, Bournemouth University, Bournemouth Gateway Building, St. Pauls Lane, Bournemouth, BH8 8GP, England
| | - Michael Jones
- Cardiff School of Engineering, Cardiff University, Cardiff, CF23 3AA, Wales
| | - Jonathan Williams
- Faculty of Health and Social Sciences, Bournemouth University, Bournemouth Gateway Building, St. Pauls Lane, Bournemouth, BH8 8GP, England
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Impact of Infant Positioning on Cardiopulmonary Resuscitation Performance During Simulated Pediatric Cardiac Arrest: A Randomized Crossover Study. Pediatr Crit Care Med 2020; 21:e1076-e1083. [PMID: 32826836 DOI: 10.1097/pcc.0000000000002521] [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: 11/26/2022]
Abstract
OBJECTIVES The primary objective was to determine the impact of infant positioning on cardiopulmonary resuscitation performance during simulated pediatric cardiac arrest. DESIGN A single-center, prospective, randomized, unblinded manikin study. SETTING Medical university-affiliated simulation facility. SUBJECTS Fifty-two first-line professional rescuers (n = 52). INTERVENTIONS Performance of cardiopulmonary resuscitation was determined using an infant manikin model in three different positions (on a table [T], on the provider's forearm with the manikin's head close to the provider's elbow [P], and on the provider's forearm with the manikin's head close to the provider's palm [D]). For the measurement of important cardiopulmonary resuscitation performance variables, a commercially available infant simulator was modified. In a randomized sequence, healthcare professionals performed single-rescuer cardiopulmonary resuscitation for 3 minutes in each position. Performances of chest compression (primary outcome), ventilation, and hands-off time were analyzed using a multilevel regression model. MEASUREMENTS AND MAIN RESULTS Mean (± SD) compression depth significantly differed between table and the other two manikin positions (31 ± 2 [T], 29 ± 3 [P], and 29 ± 3 mm [D]; overall p < 0.001; repeated measures design adjusted difference: T vs P, -2 mm [95% CI, -2 to -1 mm]; T vs D, -1 mm [95% CI, -2 to -1 mm]). Secondary outcome variables showed no significant differences. CONCLUSIONS Compressions were significantly deeper in the table group compared to positions on the forearm during cardiopulmonary resuscitation, yet the differences were small and perhaps not clinically important.
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Almeida D, Clark C, Jones M, McConnell P, Williams J. Consistency and variability in human performance during simulate infant CPR: a reliability study. Scand J Trauma Resusc Emerg Med 2020; 28:91. [PMID: 32912284 PMCID: PMC7488154 DOI: 10.1186/s13049-020-00785-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 09/01/2020] [Indexed: 01/26/2023] Open
Abstract
Background Positive outcomes from infant cardiac arrest depend on the effective delivery of resuscitation techniques, including good quality infant cardiopulmonary resuscitation (iCPR) However, it has been established that iCPR skills decay within weeks or months after training. It is not known if the change in performance should be considered true change or inconsistent performance. The aim of this study was to investigate consistency and variability in human performance during iCPR. Methods An experimental, prospective, observational study conducted within a university setting with 27 healthcare students (mean (SD) age 32.6 (11.6) years, 74.1% female). On completion of paediatric basic life support (BLS) training, participants performed three trials of 2-min iCPR on a modified infant manikin on two occasions (immediately after training and after 1 week), where performance data were captured. Main outcome measures were within-day and between-day repeated measures reliability estimates, determined using Intraclass Correlation Coefficients (ICCs), Standard Error of Measurement (SEM) and Minimal Detectable Change (MDC95%) for chest compression rate, chest compression depth, residual leaning and duty cycle along with the conversion of these into quality indices according to international guidelines. Results A high degree of reliability was found for within-day and between-day for each variable with good to excellent ICCs and narrow confidence intervals. SEM values were low, demonstrating excellent consistency in repeated performance. Within-day MDC values were low for chest compression depth and chest compression rate (6 and 9%) and higher for duty cycle (15%) and residual leaning (22%). Between-day MDC values were low for chest compression depth and chest compression rate (3 and 7%) and higher for duty cycle (21%) and residual leaning (22%). Reliability reduced when metrics were transformed in quality indices. Conclusion iCPR skills are highly repeatable and consistent, demonstrating that changes in performance after training can be considered skill decay. However, when the metrics are transformed in quality indices, large changes are required to be confident of real change.
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Affiliation(s)
- Debora Almeida
- Faculty of Health and Social Sciences, Bournemouth University, R604, Royal London House, Christchurch Road, Bournemouth, BH1 3LT, England. .,Department of Anesthesiology, Main Theatres, Royal Bournemouth and Christchurch Hospitals, Castle Lane East, Bournemouth, BH7 7DW, England.
| | - Carol Clark
- Faculty of Health and Social Sciences, Bournemouth University, R612, Royal London House, Christchurch Road, Bournemouth, BH1 3LT, England
| | - Michael Jones
- Cardiff School of Engineering, Cardiff University, Cardiff, CF23 3AA, Wales
| | - Phillip McConnell
- Resuscitation Services, Heart Club, Royal Bournemouth Hospital, Castle Lane East, Bournemouth, BH7 7DW, England
| | - Jonathan Williams
- Faculty of Health and Social Sciences, Bournemouth University, R611, Royal London House, Christchurch Road, Bournemouth, BH1 3LT, England
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Two-Thumb or Two-Finger Technique in Infant Cardiopulmonary Resuscitation by a Single Rescuer? A Meta-Analysis with GOSH Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17145214. [PMID: 32707697 PMCID: PMC7400494 DOI: 10.3390/ijerph17145214] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/10/2020] [Accepted: 07/15/2020] [Indexed: 01/08/2023]
Abstract
Out-of-hospital infant cardiopulmonary arrest is a fatal and uncommon event. High mortality rates and poor neurological outcomes may be improved by early cardiopulmonary resuscitation (CPR). The ongoing debate over two different infant CPR techniques, the two-thumb (TT) and the two-finger (TF) technique, has remained, especially in terms of the adequate compression depth, compression rate, and hands-off time. In this article, we searched three major databases, PubMed, EMBASE (Excerpta Medica database), and CENTRAL (Cochrane Central Register of Controlled Trials), for randomized control trials which compared the outcomes of interest between the TT and TF techniques in infant CPR. The results showed that the TT technique was associated with higher proportion of adequate compression depth (Mean difference (MD): 19.99%; 95%, Confidence interval (CI): 9.77 to 30.22; p < 0.01) than the TF technique. There was no significant difference in compression rate and hands-off time. In our conclusion, the TT technique is better in terms of adequate compression depth than the TF technique, without significant differences in compression rate and hands-off time.
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Analysis of Chest-Compression Depth and Full Recoil in Two Infant Chest-Compression Techniques Performed by a Single Rescuer: Systematic Review and Meta-Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17114018. [PMID: 32516929 PMCID: PMC7312068 DOI: 10.3390/ijerph17114018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 05/31/2020] [Accepted: 06/03/2020] [Indexed: 12/27/2022]
Abstract
Pediatric cardiac arrest is associated with high mortality and permanent neurological injury. We aimed to compare the effects of the two-thumb (TT) and two-finger (TF) techniques in infant cardiopulmonary resuscitation (CPR) performed by a single rescuer. We searched PubMed, EMBASE, and CENTRAL for randomized control trials published before December 2019. Studies comparing the TT and TF techniques in infant CPR were included for meta-analysis. Relevant information was extracted for methodological assessment. Twelve studies were included. The TT technique was associated with deeper chest-compression depth (mean difference: 4.71 mm; 95% confidence interval: 3.61 to 5.81; p < 0.001) compared with the TF technique. The TF technique was better in terms of the proportion of complete chest recoil (mean difference: -11.73%; 95% confidence interval: -20.29 to -3.17; p = 0.007). CPR was performed on a manikin model, and the application of the results to real human beings may be limited. The TT technique was superior to the TF technique in terms of chest-compression depth, but with inferior chest full recoil. Future investigations should focus on modifying the conventional TT technique to generate greater compression depth and achieve complete chest recoil.
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10
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Kandasamy J, Theobald PS, Maconochie IK, Jones MD. Can real-time feedback improve the simulated infant cardiopulmonary resuscitation performance of basic life support and lay rescuers? Arch Dis Child 2019; 104:793-801. [PMID: 31164375 DOI: 10.1136/archdischild-2018-316576] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 03/14/2019] [Accepted: 03/18/2019] [Indexed: 11/03/2022]
Abstract
BACKGROUND Performing high-quality chest compressions during cardiopulmonary resuscitation (CPR) requires achieving of a target depth, release force, rate and duty cycle. OBJECTIVE This study evaluates whether 'real time' feedback could improve infant CPR performance in basic life support-trained (BLS) and lay rescuers. It also investigates whether delivering rescue breaths hinders performing high-quality chest compressions. Also, this study reports raw data from the two methods used to calculate duty cycle performance. METHODOLOGY BLS (n=28) and lay (n=38) rescuers were randomly allocated to respective 'feedback' or 'no-feedback' groups, to perform two-thumb chest compressions on an instrumented infant manikin. Chest compression performance was then investigated across three compression algorithms (compression only; five rescue breaths then compression only; five rescue breaths then 15:2 compressions). Two different routes to calculate duty cycle were also investigated, due to conflicting instruction in the literature. RESULTS No-feedback BLS and lay groups demonstrated <3% compliance against each performance target. The feedback rescuers produced 20-fold and 10-fold increases in BLS and lay cohorts, respectively, achieving all targets concurrently in >60% and >25% of all chest compressions, across all three algorithms. Performing rescue breaths did not impede chest compression quality. CONCLUSIONS A feedback system has great potential to improve infant CPR performance, especially in cohorts that have an underlying understanding of the technique. The addition of rescue breaths-a potential distraction-did not negatively influence chest compression quality. Duty cycle performance depended on the calculation method, meaning there is an urgent requirement to agree a single measure.
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Affiliation(s)
- Jeyapal Kandasamy
- Biomedical Engineering Research Group, Cardiff University, Cardiff, UK
| | - Peter S Theobald
- Biomedical Engineering Research Group, Cardiff University, Cardiff, UK
| | - Ian K Maconochie
- Paediatric Emergency Department, Imperial College Hospital NHS Healthcare Trust, London, UK
| | - Michael D Jones
- Biomedical Engineering Research Group, Cardiff University, Cardiff, UK
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Pellegrino JL, Bogumil D, Epstein JL, Burke RV. Two-thumb-encircling advantageous for lay responder infant CPR: a randomised manikin study. Arch Dis Child 2019; 104:530-534. [PMID: 30007942 DOI: 10.1136/archdischild-2018-314893] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 06/04/2018] [Accepted: 06/22/2018] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Paediatric health providers and educators influence infant mortality through advocacy and training within families and communities. This research sought to establish the efficacy and training of two-finger versus two-thumb-encircling techniques for lone responder infant chest compressions with ventilations in initially trained infant caregivers. DESIGN This is a randomised, cross-over educational intervention assessed on instrumented manikins using the 2015 guideline measures of quality infant cardiopulmonary resuscitation (CPR). Additional subjective data on the experience were collected through self-reporting. SETTING Non-healthcare community organisations and secondary school classrooms. PARTICIPANTS Fourteen years or older, fluent in English and had not taken infant CPR in the last 5 years. INTERVENTIONS Groups of eight participants were randomised to learn one technique, practised and then tested for 8 min. After a 30 min rest, the group repeated the process using the other technique. MAIN OUTCOME MEASURES Mean chest compression depth and rate, compression fraction, and correct hand position; tiredness and pain as reported by the caregiver. RESULTS The two-thumb-encircling technique achieved a deeper mean compression depth over the 8 min period (2.0 mm, p<0.01), closer to the minimum recommendation of 40 mm; the two-finger technique achieved higher percentages of compression fraction and complete recoil. Caregivers preferred the two-thumb technique (64%), and of these 70% had long fingernails. CONCLUSIONS The two-thumb-encircling technique improved compression depth, over an 8 min scenario, and was preferred by caregivers. This adds to the existing literature on the advantages of two-thumb-encircling as a technique for lone and team infant CPR, which counters current guidelines.
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Affiliation(s)
- Jeffrey L Pellegrino
- Health Sciences, Aultman College of Nursing and Health Sciences, Canton, Ohio, USA
| | - David Bogumil
- Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | | | - Rita V Burke
- Keck School of Medicine, University of Southern California, Los Angeles, California, USA
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Yeo CL, Biswas A, Ee TTK, Chinnadurai A, Baral VR, Chang ASM, Ereno IL, Ho KYS, Poon WB, Shah VA, Quek BH. Singapore Neonatal Resuscitation Guidelines 2016. Singapore Med J 2018; 58:391-403. [PMID: 28741001 DOI: 10.11622/smedj.2017066] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
We present the revised Neonatal Resuscitation Guidelines for Singapore. The 2015 International Liaison Committee on Resuscitation Neonatal Task Force's consensus on science and treatment recommendations (2015), and guidelines from the American Heart Association and European Resuscitation Council were debated and discussed. The final recommendations of the National Resuscitation Council, Singapore, were derived after the task force had carefully reviewed the current available evidence in the literature and addressed their relevance to local clinical practice.
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Affiliation(s)
- Cheo Lian Yeo
- Department of Neonatal and Developmental Medicine, Singapore General Hospital, Singapore.,Duke-NUS Medical School, Singapore.,Yong Loo Lin School of Medicine, National University of Singapore, Singapore.,National Resuscitation Council Singapore, Members of the Neonatal Resuscitation Guidelines Workgroup (2015-2016), Singapore
| | - Agnihotri Biswas
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore.,National Resuscitation Council Singapore, Members of the Neonatal Resuscitation Guidelines Workgroup (2015-2016), Singapore.,Department of Neonatology, National University Hospital, Singapore
| | - Teong Tai Kenny Ee
- National Resuscitation Council Singapore, Members of the Neonatal Resuscitation Guidelines Workgroup (2015-2016), Singapore.,Kinder Clinic Pte Ltd, Singapore
| | - Amutha Chinnadurai
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore.,Department of Neonatology, National University Hospital, Singapore
| | - Vijayendra Ranjan Baral
- Department of Neonatal and Developmental Medicine, Singapore General Hospital, Singapore.,Duke-NUS Medical School, Singapore
| | - Alvin Shang Ming Chang
- Duke-NUS Medical School, Singapore.,Department of Neonatology, KK Women's and Children's Hospital, Singapore
| | | | - Kah Ying Selina Ho
- Department of Neonatal and Developmental Medicine, Singapore General Hospital, Singapore.,Duke-NUS Medical School, Singapore
| | - Woei Bing Poon
- Department of Neonatal and Developmental Medicine, Singapore General Hospital, Singapore.,Duke-NUS Medical School, Singapore
| | - Varsha Atul Shah
- Department of Neonatal and Developmental Medicine, Singapore General Hospital, Singapore.,Duke-NUS Medical School, Singapore
| | - Bin Huey Quek
- Duke-NUS Medical School, Singapore.,National Resuscitation Council Singapore, Members of the Neonatal Resuscitation Guidelines Workgroup (2015-2016), Singapore.,Department of Neonatology, KK Women's and Children's Hospital, Singapore
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Dispatcher-Assisted Telephone Cardiopulmonary Resuscitation Using a French-Language Compression-Ventilation Pediatric Protocol. Pediatr Emerg Care 2017; 33:679-685. [PMID: 28968304 DOI: 10.1097/pec.0000000000001266] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
OBJECTIVE Out-of-hospital cardiac arrest (OHCA) in pediatrics is a devastating event associated with poor survival rates. Although telephone dispatcher-assisted cardiopulmonary resuscitation (CPR; T-CPR) instructions improve the frequency and quality of bystander CPR for OHCA in adults, this support remains undeveloped in children. Our objective was to assess the effectiveness of a pediatric T-CPR protocol in untrained and trained bystanders. Secondarily, we sought to determine the feasibility and the effectiveness of ventilation in such a protocol. METHODS Eligible adults with no CPR experience were recruited in a movie theater in Liege, as well as bachelor nursing students in Liege. All volunteers were randomly assigned either to T-CPR or to no-T-CPR using randomization. The volunteers were exposed to a pediatric manikin model cardiac arrest. On the basis of Cardiff evaluation test, data were collected to evaluate CPR performance. RESULTS A total of 115 volunteers were assigned to 4 groups: untrained nonguided group (n = 27), untrained guided group (n = 32), trained nonguided group (n = 26), and trained guided group (n = 30). We found an improvement in CPR performance in the guided groups. Most volunteers (81.2%) in untrained guided group and 83.3% in the trained guided group were able to give 2 ventilations after each compressions cycle. CONCLUSIONS In a pediatric manikin model of OHCA, T-CPR instructions including mouth-to-mouth ventilations and chest compressions produced a significant increase in resuscitation performance not only among previously untrained but also among trained volunteers.
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Smereka J, Bielski K, Ladny JR, Ruetzler K, Szarpak L. Evaluation of a newly developed infant chest compression technique: A randomized crossover manikin trial. Medicine (Baltimore) 2017; 96:e5915. [PMID: 28383397 PMCID: PMC5411181 DOI: 10.1097/md.0000000000005915] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Providing adequate chest compression is essential during infant cardio-pulmonary-resuscitation (CPR) but was reported to be performed poor. The "new 2-thumb technique" (nTTT), which consists in using 2 thumbs directed at the angle of 90° to the chest while closing the fingers of both hands in a fist, was recently introduced. Therefore, the aim of this study was to compare 3 chest compression techniques, namely, the 2-finger-technique (TFT), the 2-thumb-technique (TTHT), and the nTTT in an randomized infant-CPR manikin setting. METHODS A total of 73 paramedics with at least 1 year of clinical experience performed 3 CPR settings with a chest compression:ventilation ratio of 15:2, according to current guidelines. Chest compression was performed with 1 out of the 3 chest compression techniques in a randomized sequence. Chest compression rate and depth, chest decompression, and adequate ventilation after chest compression served as outcome parameters. RESULTS The chest compression depth was 29 (IQR, 28-29) mm in the TFT group, 42 (40-43) mm in the TTHT group, and 40 (39-40) mm in the nTTT group (TFT vs TTHT, P < 0.001; TFT vs nTTT, P < 0.001; TTHT vs nTTT, P < 0.01). The median compression rate with TFT, TTHT, and nTTT varied and amounted to 136 (IQR, 133-144) min versus 117 (115-121) min versus 111 (109-113) min. There was a statistically significant difference in the compression rate between TFT and TTHT (P < 0.001), TFT and nTTT (P < 0.001), as well as TTHT and nTTT (P < 0.001). Incorrect decompressions after CC were significantly increased in the TTHT group compared with the TFT (P < 0.001) and the nTTT (P < 0.001) group. CONCLUSIONS The nTTT provides adequate chest compression depth and rate and was associated with adequate chest decompression and possibility to adequately ventilate the infant manikin. Further clinical studies are necessary to confirm these initial findings.
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Affiliation(s)
- Jacek Smereka
- Department of Emergency Medical Service, Wroclaw Medical University
| | - Karol Bielski
- MEDITRANS The Provincial Emergency Medical Service and Sanitary Transport, Warsaw
| | - Jerzy R. Ladny
- Department of Emergency Medicine and Disaster, Medical University Bialystok, Bialystok, Poland
| | - Kurt Ruetzler
- Department of General Anesthesiology, Anesthesiology Institute, Cleveland Clinic, Cleveland, OH
| | - Lukasz Szarpak
- Department of Emergency Medicine, Medical University of Warsaw, Warsaw, Poland
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Thielen M, Joshi R, Delbressine F, Bambang Oetomo S, Feijs L. An innovative design for cardiopulmonary resuscitation manikins based on a human-like thorax and embedded flow sensors. Proc Inst Mech Eng H 2017; 231:243-249. [PMID: 28290239 PMCID: PMC5363502 DOI: 10.1177/0954411917691555] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Accepted: 01/10/2017] [Indexed: 11/15/2022]
Abstract
Cardiopulmonary resuscitation manikins are used for training personnel in performing cardiopulmonary resuscitation. State-of-the-art cardiopulmonary resuscitation manikins are still anatomically and physiologically low-fidelity designs. The aim of this research was to design a manikin that offers high anatomical and physiological fidelity and has a cardiac and respiratory system along with integrated flow sensors to monitor cardiac output and air displacement in response to cardiopulmonary resuscitation. This manikin was designed in accordance with anatomical dimensions using a polyoxymethylene rib cage connected to a vertebral column from an anatomical female model. The respiratory system was composed of silicon-coated memory foam mimicking lungs, a polyvinylchloride bronchus and a latex trachea. The cardiovascular system was composed of two sets of latex tubing representing the pulmonary and aortic arteries which were connected to latex balloons mimicking the ventricles and lumped abdominal volumes, respectively. These balloons were filled with Life/form simulation blood and placed inside polyether foam. The respiratory and cardiovascular systems were equipped with flow sensors to gather data in response to chest compressions. Three non-medical professionals performed chest compressions on this manikin yielding data corresponding to force-displacement while the flow sensors provided feedback. The force-displacement tests on this manikin show a desirable nonlinear behaviour mimicking chest compressions during cardiopulmonary resuscitation in humans. In addition, the flow sensors provide valuable data on the internal effects of cardiopulmonary resuscitation. In conclusion, scientifically designed and anatomically high-fidelity designs of cardiopulmonary resuscitation manikins that embed flow sensors can improve physiological fidelity and provide useful feedback data.
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Affiliation(s)
- Mark Thielen
- Department of Industrial Design, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Rohan Joshi
- Department of Industrial Design, Eindhoven University of Technology, Eindhoven, The Netherlands
- Department of Clinical Physics, Máxima Medisch Centrum Veldhoven, Veldhoven, The Netherlands
| | - Frank Delbressine
- Department of Industrial Design, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Sidarto Bambang Oetomo
- Department of Industrial Design, Eindhoven University of Technology, Eindhoven, The Netherlands
- Department of Neonatology, Máxima Medisch Centrum Veldhoven, Veldhoven, The Netherlands
| | - Loe Feijs
- Department of Industrial Design, Eindhoven University of Technology, Eindhoven, The Netherlands
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Wyckoff MH, Aziz K, Escobedo MB, Kapadia VS, Kattwinkel J, Perlman JM, Simon WM, Weiner GM, Zaichkin JG. Part 13: Neonatal Resuscitation: 2015 American Heart Association Guidelines Update for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care. Circulation 2016; 132:S543-60. [PMID: 26473001 DOI: 10.1161/cir.0000000000000267] [Citation(s) in RCA: 467] [Impact Index Per Article: 58.4] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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17
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Wyckoff MH, Aziz K, Escobedo MB, Kapadia VS, Kattwinkel J, Perlman JM, Simon WM, Weiner GM, Zaichkin JG. Part 13: Neonatal Resuscitation: 2015 American Heart Association Guidelines Update for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care (Reprint). Pediatrics 2015; 136 Suppl 2:S196-218. [PMID: 26471383 DOI: 10.1542/peds.2015-3373g] [Citation(s) in RCA: 112] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Perlman JM, Wyllie J, Kattwinkel J, Wyckoff MH, Aziz K, Guinsburg R, Kim HS, Liley HG, Mildenhall L, Simon WM, Szyld E, Tamura M, Velaphi S. Part 7: Neonatal Resuscitation: 2015 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations (Reprint). Pediatrics 2015; 136 Suppl 2:S120-66. [PMID: 26471381 DOI: 10.1542/peds.2015-3373d] [Citation(s) in RCA: 125] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Wyllie J, Perlman JM, Kattwinkel J, Wyckoff MH, Aziz K, Guinsburg R, Kim HS, Liley HG, Mildenhall L, Simon WM, Szyld E, Tamura M, Velaphi S. Part 7: Neonatal resuscitation: 2015 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science with Treatment Recommendations. Resuscitation 2015; 95:e169-201. [PMID: 26477424 DOI: 10.1016/j.resuscitation.2015.07.045] [Citation(s) in RCA: 193] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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20
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Perlman JM, Wyllie J, Kattwinkel J, Wyckoff MH, Aziz K, Guinsburg R, Kim HS, Liley HG, Mildenhall L, Simon WM, Szyld E, Tamura M, Velaphi S. Part 7: Neonatal Resuscitation. Circulation 2015; 132:S204-41. [DOI: 10.1161/cir.0000000000000276] [Citation(s) in RCA: 413] [Impact Index Per Article: 45.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Jo CH, Jung HS, Cho GC, Oh YJ. Over-the-head two-thumb encircling technique as an alternative to the two-finger technique in the in-hospital infant cardiac arrest setting: a randomised crossover simulation study. Emerg Med J 2014; 32:703-7. [PMID: 25433046 DOI: 10.1136/emermed-2014-203873] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Accepted: 11/16/2014] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To determine if the over-the-head two-thumb encircling technique (OTTT) provides better quality cardiopulmonary resuscitation (CPR) than the conventional two-finger technique (TFT) when performed by a lone rescuer in an in-hospital infant cardiac arrest setting. METHODS This prospective, randomised crossover design study recruited 50 nurses who voluntarily performed lone rescuer infant CPR for 2 min on a manikin. Participants who performed OTTT stood at the head of the manikin to compress the chest and provide bag-valve mask ventilations, whereas those who performed TFT stood by the side of the manikin to compress the chest and provide pocket-mask ventilations. Mean hands-off time, mean compression depths and rates, proportion of effective compressions and complete recoil, and fatigue score changes were assessed during the test, and a survey on the ease of use of the techniques was conducted after the test. RESULTS Hands-off time, total ventilation volume and number of ventilations were not significantly different between the two techniques. OTTT resulted in greater depth of compressions (p<0.001), greater proportion of effective compressions (p<0.001), smaller proportion of complete recoil (p=0.001), and smaller fatigue score change (p=0.003) than TFT. In addition, subjects reported that compression, ventilation and changing compression to ventilation were easier using OTTT than TFT. CONCLUSIONS OTTT performed by a lone rescuer in an in-hospital infant cardiac arrest setting resulted in greater compression depth, with no increase in hands-off time, compared with TFT. OTTT may therefore be a suitable alternative to TFT in the in-hospital infant cardiac arrest setting.
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Affiliation(s)
- Choong Hyun Jo
- Department of Emergency Medicine, School of Medicine, Hallym University, Seoul, Republic of Korea
| | - Hwan Suk Jung
- Department of Emergency Medicine, School of Medicine, Hallym University, Seoul, Republic of Korea
| | - Gyu Chong Cho
- Department of Emergency Medicine, School of Medicine, Hallym University, Seoul, Republic of Korea
| | - You Jang Oh
- Department of Emergency Medicine, School of Medicine, Hallym University, Seoul, Republic of Korea
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Park J, Yoon C, Lee JC, Jung JY, Kim DK, Kwak YH, Kim HC. Manikin-Integrated Digital Measuring System for Assessment of Infant Cardiopulmonary Resuscitation Techniques. IEEE J Biomed Health Inform 2014; 18:1659-67. [DOI: 10.1109/jbhi.2013.2288641] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Foglia E, Patel J, Niles D, Aasland PH, Nadkarni V, Ades A. Provider Adherence to Neonatal Resuscitation Program Recommendations for Coordinated Neonatal Chest Compressions and Ventilations. ACTA ACUST UNITED AC 2013; Suppl 1. [PMID: 24199206 DOI: 10.4172/2324-903x.s1-010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
AIM Medical providers often do not perform chest compressions in accordance with recommended resuscitation guidelines for adults and children. Little is known regarding how well neonatal providers perform coordinated chest compressions and ventilations. The objective of this study was to characterize Neonatal Resuscitation Program (NRP) trained providers' adherence to NRP recommendations for coordinated chest compressions and ventilations in a simulated setting. METHODS Fifty NRP providers performed coordinated chest compressions for three minutes on a neonatal manikin. A compression sensor (accelerometer) was used to monitor and record compression data. Data analyzed included ratio of compressions to ventilation pauses, delivered chest compressions per minute (CC/min), and duration of ventilation pauses. RESULTS Delivered CC/min ranged from 61 to 136. The mean CC/min (99, SD 16) was significantly higher than the NRP-recommended value of 90 (p=0.002). Delivered CC/min did not differ from the first 30 seconds to the last 30 seconds of compressions (p=0.91). Duration of ventilation pauses was highly correlated with CC/min (Spearman's rho= -0.98, p<0.001), with a median duration of 0.92 seconds (IQ range (0.84, 1.02). CONCLUSIONS NRP trained providers often do not adhere to NRP recommendations for delivery of coordinated chest compressions during simulated cardiac depression. The mean CC/min performed is higher than recommended. Duration of ventilation pauses is highly correlated with delivered CC/min. Future studies should focus on methods to improve the timing of delivered chest compressions by NRP providers to conform to NRP recommendations.
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Affiliation(s)
- Elizabeth Foglia
- Division of Neonatology, Children's Hospital of Philadelphia, 34th Street and Civic Center Boulevard, Philadelphia, PA 19104, USA
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