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Lima LC, Cumino DDO, Vieira AM, Silva CHRD, Neville MFL, Marques FO, Quintão VC, Carlos RV, Fujita ACG, Barros HÍM, Garcia DB, Ferreira CBT, Barros GAMD, Módolo NSP. Recommendations from the Brazilian Society of Anesthesiology (SBA) for difficult airway management in pediatric care. BRAZILIAN JOURNAL OF ANESTHESIOLOGY (ELSEVIER) 2024; 74:744478. [PMID: 38147975 PMCID: PMC10877349 DOI: 10.1016/j.bjane.2023.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
Difficult airway management in pediatrics during anesthesia represents a major challenge, requiring a careful approach, advanced technical expertise, and accurate protocols. The task force of the Brazilian Society of Anesthesiology (SBA) presents a report containing updated recommendations for the management of difficult airways in children and neonates. These recommendations have been developed based on the consensus of a panel of experts, with the objective of offering strategies to overcome challenges during airway management in pediatric patients. Grounded in evidence published in international guidelines and expert opinions, the report highlights crucial steps for the appropriate management of difficult airways in pediatrics, encompassing assessment, preparation, positioning, pre-oxygenation, minimizing trauma, and, paramountly, the maintenance of arterial oxygenation. The report also delves into additional strategies involving the use of advanced tools, such as video laryngoscopy, flexible intubating bronchoscopy, and supraglottic devices. Emphasis is placed on the simplicity of implementing the outlined recommendations, with a focus on the significance of continuous education, training through realistic simulations, and familiarity with the latest available technologies. These practices are deemed essential to ensure procedural safety and contribute to the enhancement of anesthesia outcomes in pediatrics.
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Affiliation(s)
- Luciana Cavalcanti Lima
- Instituto Medicina Integral Professor Fernando Figueira, Recife, PE, Brazil; Faculdade Pernambucana de Saúde, Recife, PE, Brazil
| | - Débora de Oliveira Cumino
- Hospital Infantil Sabará, São Paulo, SP, Brazil; Serviço de Anestesiologia Pediátrica/SAPE, Brazil; Hospital Municipal Menino Jesus, São Paulo, SP, Brazil
| | | | | | - Mariana Fontes Lima Neville
- Hospital Infantil Sabará, São Paulo, SP, Brazil; Universidade Federal de São Paulo, Escola Paulista de Medicina, Disciplina de Anestesiologia, Dor e Terapia Intensiva, São Paulo, SP, Brazil; Serviço de Anestesiologia Pediátrica/SAPE, Brazil
| | | | - Vinicius Caldeira Quintão
- Universidade de São Paulo, Faculdade de Medicina, Disciplina de Anestesiologia, São Paulo, SP, Brazil
| | - Ricardo Vieira Carlos
- Universidade de São Paulo, Faculdade de Medicina, Hospital das Clínicas, São Paulo, SP, Brazil
| | - Ana Carla Giosa Fujita
- Hospital Infantil Sabará, São Paulo, SP, Brazil; Serviço de Anestesiologia Pediátrica/SAPE, Brazil; Hospital Municipal Menino Jesus, São Paulo, SP, Brazil
| | - Hugo Ítalo Melo Barros
- Hospital Infantil Sabará, São Paulo, SP, Brazil; Serviço de Anestesiologia Pediátrica/SAPE, Brazil; Hospital Municipal Menino Jesus, São Paulo, SP, Brazil
| | | | | | - Guilherme Antonio Moreira de Barros
- Universidade Estadual Paulista (UNESP), Faculdade de Medicina de Botucatu (FMB), Departamento de Especialidades Cirúrgicas e Anestesiologia, Botucatu, SP, Brazil
| | - Norma Sueli Pinheiro Módolo
- Universidade Estadual Paulista (UNESP), Faculdade de Medicina de Botucatu (FMB), Departamento de Especialidades Cirúrgicas e Anestesiologia, Botucatu, SP, Brazil.
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Edmunds K, Pierpoint S, Frey M, Ahaus K, Boyd S, Shah A, Zhang Y, Kerrey B. Fraction of Expired Oxygen as a Measure of Preoxygenation Prior to Rapid Sequence Intubation in the Pediatric Emergency Department. J Emerg Med 2022; 63:62-71. [PMID: 35933262 DOI: 10.1016/j.jemermed.2022.04.023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 04/08/2022] [Accepted: 04/23/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Pulse oximetry (SpO2) is a flawed measure of adequacy of preoxygenation prior to intubation. The fraction of expired oxygen (FeO2) is a promising but understudied alternative. OBJECTIVE To investigate FeO2 as a measure of preoxygenation prior to intubation in a pediatric emergency department. METHODS We conducted a prospective, observational study of patients 18 and younger. We collected data using video review, and FeO2 was measured via inline sampling. The main outcomes were FeO2 and SpO2 at the start of preoxygenation, end of preoxygenation/start of intubation attempt, and the end of intubation attempt. We compared FeO2 and SpO2 at the end of preoxygenation for patients with and without oxyhemoglobin desaturation. RESULTS We enrolled 85 of 88 eligible patients during the 14-month study period. FeO2 data were available at the start of preoxygenation for 53 of 85 patients (62%), and for the end of preoxygenation for 59 of 85 patients (69%). Median FeO2 at the start and end of preoxygenation was 90% (interquartile range [IQR] 88, 92) and 90% (IQR 88, 92). Median SpO2 at the start and end of preoxygenation was 100% (IQR 100, 100). There were 11 episodes of desaturation, with median FeO2 at the start of intubation attempt of 89.5 (IQR 54.5, 91.5) and median SpO2 of 100 (IQR 99, 100). Patients who did not have a desaturation event had a median FeO2 of 90.0 (IQR 88.0, 92.0). CONCLUSIONS Measuring FeO2 during rapid sequence intubation is challenging with feasibility limitations, but may be a more discriminatory metric of adequate preoxygenation.
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Affiliation(s)
- Katherine Edmunds
- Division of Emergency Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, Ohio; University of Cincinnati, College of Medicine, Cincinnati, Ohio.
| | - Sara Pierpoint
- University of Cincinnati, College of Medicine, Cincinnati, Ohio
| | - Mary Frey
- Division of Emergency Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Karen Ahaus
- Division of Emergency Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Stephanie Boyd
- Division of Emergency Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Ashish Shah
- Division of Pediatric Emergency Medicine, Rady Children's Hospital, San Diego, California; Department of Pediatrics, University of California - San Diego, San Diego, California
| | - Yin Zhang
- Division of Biostatistics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Benjamin Kerrey
- Division of Emergency Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, Ohio; University of Cincinnati, College of Medicine, Cincinnati, Ohio
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dos Santos Neto JM, de Carvalho CC, de Andrade LB, Dos Santos TGB, Andrade RGADC, Fernandes RAML, de Orange FA. Continuous positive airway pressure to reduce the risk of early peripheral oxygen desaturation after onset of apnoea in children: A double-blind randomised controlled trial. PLoS One 2021; 16:e0256950. [PMID: 34597324 PMCID: PMC8486132 DOI: 10.1371/journal.pone.0256950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 07/30/2021] [Indexed: 11/18/2022] Open
Abstract
Continuous positive airway pressure (CPAP) during anaesthesia induction improves oxygen saturation (SpO2) outcomes in adults subjected to airway manipulation, and could similarly support oxygenation in children. We evaluated whether CPAP ventilation and passive CPAP oxygenation in children would defer a SpO2 decrease to 95% after apnoea onset compared to the regular technique in which no positive airway pressure is applied. In this double-blind, parallel, randomised controlled clinical trial, 68 children aged 2–6 years with ASA I–II who underwent surgery under general anaesthesia were divided into CPAP and control groups (n = 34 in each group). The intervention was CPAP ventilation and passive CPAP oxygenation using an anaesthesia workstation. The primary outcome was the elapsed time until SpO2 decreased to 95% during a follow-up period of 300 s from apnoea onset (T1). We also recorded the time required to regain baseline levels from an SpO2 of 95% aided by positive pressure ventilation (T2). The median T1 was 278 s (95% confidence interval [CI]: 188–368) in the CPAP group and 124 s (95% CI: 92–157) in the control group (median difference: 154 s; 95% CI: 58–249; p = 0.002). There were 17 (50%) and 32 (94.1%) primary events in the CPAP and control groups, respectively. The hazard ratio was 0.26 (95% CI: 0.14–0.48; p<0.001). The median for T2 was 21 s (95% CI: 13–29) and 29 s (95% CI: 22–36) in the CPAP and control groups, respectively (median difference: 8 s; 95% CI: -3 to 19; p = 0.142). SpO2 was significantly higher in the CPAP group than in the control group throughout the consecutive measures between 60 and 210 s (with p ranging from 0.047 to <0.001). Thus, in the age groups examined, CPAP ventilation and passive CPAP oxygenation deferred SpO2 decrease after apnoea onset compared to the regular technique with no positive airway pressure.
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Affiliation(s)
- Jayme Marques dos Santos Neto
- Support and Therapeutic Diagnosis Division, Anesthesiology and Post-Anesthetic Care Unit, Federal University of Pernambuco’s Teaching Hospital, Recife, Pernambuco, Brazil
- * E-mail:
| | - Clístenes Cristian de Carvalho
- Department of Post-graduation, Instituto de Medicina Integral Prof. Fernando Figueira, Recife, Pernambuco, Brazil
- Department of Surgery, Federal University of Campina Grande, Campina Grande, Paraíba, Brazil
| | - Lívia Barboza de Andrade
- Department of Post-graduation, Instituto de Medicina Integral Prof. Fernando Figueira, Recife, Pernambuco, Brazil
| | - Thiago Gadelha Batista Dos Santos
- Support and Therapeutic Diagnosis Division, Anesthesiology and Post-Anesthetic Care Unit, Federal University of Pernambuco’s Teaching Hospital, Recife, Pernambuco, Brazil
| | | | | | - Flavia Augusta de Orange
- Support and Therapeutic Diagnosis Division, Anesthesiology and Post-Anesthetic Care Unit, Federal University of Pernambuco’s Teaching Hospital, Recife, Pernambuco, Brazil
- Department of Post-graduation, Instituto de Medicina Integral Prof. Fernando Figueira, Recife, Pernambuco, Brazil
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Marjanovic V, Budic I, Golubovic M, Breschan C. Perioperative respiratory adverse events during ambulatory anesthesia in obese children. Ir J Med Sci 2021; 191:1305-1313. [PMID: 34089150 PMCID: PMC9135828 DOI: 10.1007/s11845-021-02659-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 05/21/2021] [Indexed: 11/05/2022]
Abstract
Obesity is one of the most common clinical conditions in the pediatric population with an increasing prevalence ranging from 20 to 30% worldwide. It is well known that during ambulatory anesthesia, obese children are more prone to develop perioperative respiratory adverse events (PRAEs) associated with obesity. To avoid or at least minimize these adverse effects, a thorough preoperative assessment should be undertaken as well as consideration of specific anesthetic approaches such as preoxygenation before induction of anesthesia and optimizing drug dosing. The use of short-acting opioid and nonopioid analgesics and the frequent implementation of regional anesthesia should also be included. Noninvasive airway management, protective mechanical ventilation, and complete reversion of neuromuscular blockade and awake extubation also proved to be beneficial in preventing PRAEs. During the postoperative period, continuous monitoring of oxygenation and ventilation is mandatory in obese children. In the current review, we sought to provide recommendations that might help to reduce the severity of perioperative respiratory adverse events in obese children, which could be of particular importance for reducing the rate of unplanned hospitalizations and ultimately improving the overall postoperative recovery.
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Affiliation(s)
- Vesna Marjanovic
- Faculty of Medicine, University of Nis, Blvd. dr Zorana Djindjica 81, 18000, Nis, Serbia. .,Clinic for Anesthesia and Intensive Therapy, Clinical Centre Nis, Blvd. dr Zorana Djindjica 48, 18000, Nis, Serbia.
| | - Ivana Budic
- Faculty of Medicine, University of Nis, Blvd. dr Zorana Djindjica 81, 18000, Nis, Serbia.,Clinic for Anesthesia and Intensive Therapy, Clinical Centre Nis, Blvd. dr Zorana Djindjica 48, 18000, Nis, Serbia
| | - Mladjan Golubovic
- Faculty of Medicine, University of Nis, Blvd. dr Zorana Djindjica 81, 18000, Nis, Serbia.,Clinic for Anesthesia and Intensive Therapy, Clinical Centre Nis, Blvd. dr Zorana Djindjica 48, 18000, Nis, Serbia
| | - Christian Breschan
- Department of Anesthesia, Klinikum Klagenfurt, Feschigstrasse 11, 9020, Klagenfurt, Austria
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Bignami E, Saglietti F, Girombelli A, Briolini A, Bove T, Vetrugno L. Preoxygenation during induction of anesthesia in non-critically ill patients: A systematic review. J Clin Anesth 2019; 52:85-90. [DOI: 10.1016/j.jclinane.2018.09.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Revised: 08/27/2018] [Accepted: 09/08/2018] [Indexed: 10/28/2022]
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Chidambaran V, Tewari A, Mahmoud M. Anesthetic and pharmacologic considerations in perioperative care of obese children. J Clin Anesth 2018; 45:39-50. [DOI: 10.1016/j.jclinane.2017.12.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Revised: 12/11/2017] [Accepted: 12/14/2017] [Indexed: 10/18/2022]
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Olayan L, Alatassi A, Patel J, Milton S. Apnoeic oxygenation by nasal cannula during airway management in children undergoing general anaesthesia: a pilot randomised controlled trial. Perioper Med (Lond) 2018; 7:3. [PMID: 29484172 PMCID: PMC5820796 DOI: 10.1186/s13741-018-0083-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 02/08/2018] [Indexed: 11/21/2022] Open
Abstract
Background Airway management is a core clinical skill in anaesthesia. Pre-oxygenation prior to induction of anaesthesia is a standard practice to prevent desaturation. Apnoeic oxygenation in adults is effective and prolongs the time to desaturation. The effectiveness of apnoeic oxygenation in the adult is well documented; however, evidence in the paediatric is lacking. Therefore, the aim of this study was to investigate the effectiveness of apnoeic oxygenation during airway management in children. Methods This was a pilot randomised controlled trial. Patients were randomised to receive either apnoeic oxygenation or standard care during the induction of anaesthesia. The primary outcome was the duration of safe apnoea, defined as a composite of the time to first event, either time for SpO2 to drop to 92% or time to successfully secure the airway, and the lowest SpO2 observed during airway management. Secondary outcomes were the number of patients whose SpO2 dropped below 95% and the number of patients whose SpO2 dropped below 92%. Results A total of 30 patients were randomised, 15 to apnoeic oxygenation and 15 to standard care. No significant difference was observed in the time to first event (p = 0.870). However, patients randomised to apnoeic oxygenation had significantly higher SpO2 observed compared to the standard care group (p = 0.004). All patients in the apnoeic oxygenation group maintained SpO2 of 100% during airway management, compared to only six in the standard care group. SpO2 dropped below 92% in one patient, with the lowest SPO2 recorded 73%. Conclusion This study suggests that providing 3 l/min oxygen by nasal cannula following pre-oxygenation contributes to maintaining high levels of oxygen saturation during airway management in children, contributing to increased patients’ safety during general anaesthesia. Trial registration Retrospectively registered at ClinicalTrials.gov, NCT03271827. Registered: 4 September 2017.
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Affiliation(s)
- Lafi Olayan
- 1College of Applied Medical Sciences, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Abdulaleem Alatassi
- 2Department of Anesthesiology, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Jaimin Patel
- 3Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
| | - Sherran Milton
- 4School of Healthcare Sciences, Cardiff University, Cardiff, UK
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Oshan V, Plant N, Gopal P, Rajai A, Roberts SA, Walker RWM. The effect of age and increasing head-up tilt on pre-oxygenation times in children: a randomised exploratory study. Anaesthesia 2016; 71:429-36. [DOI: 10.1111/anae.13379] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/07/2015] [Indexed: 11/29/2022]
Affiliation(s)
- V. Oshan
- Royal Manchester Children's Hospital; Manchester UK
| | - N. Plant
- Royal Manchester Children's Hospital; Manchester UK
| | - P. Gopal
- Royal Manchester Children's Hospital; Manchester UK
| | - A. Rajai
- Department of Research and Innovation; Central Manchester University Hospitals NHS Foundation Trust; Manchester Academic Health Science Centre; Manchester UK
| | - S. A. Roberts
- Centre for Biostatistics; Manchester Academic Health Science Centre; University of Manchester; Manchester UK
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Apfelbaum JL, Hagberg CA, Caplan RA, Blitt CD, Connis RT, Nickinovich DG, Hagberg CA, Caplan RA, Benumof JL, Berry FA, Blitt CD, Bode RH, Cheney FW, Connis RT, Guidry OF, Nickinovich DG, Ovassapian A. Practice guidelines for management of the difficult airway: an updated report by the American Society of Anesthesiologists Task Force on Management of the Difficult Airway. Anesthesiology 2013; 118:251-70. [PMID: 23364566 DOI: 10.1097/aln.0b013e31827773b2] [Citation(s) in RCA: 1142] [Impact Index Per Article: 103.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
AbstractSupplemental Digital Content is available in the text.
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Affiliation(s)
- Jeffrey L Apfelbaum
- American Society of Anesthesiologists, 520 N. Northwest Highway, Park Ridge, IL 60068–2573, USA
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Contopoulos-Ioannidis DG, Seto I, Hamm MP, Thomson D, Hartling L, Ioannidis JPA, Curtis S, Constantin E, Batmanabane G, Klassen T, Williams K. Empirical evaluation of age groups and age-subgroup analyses in pediatric randomized trials and pediatric meta-analyses. Pediatrics 2012; 129 Suppl 3:S161-84. [PMID: 22661763 DOI: 10.1542/peds.2012-0055j] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND An important step toward improvement of the conduct of pediatric clinical research is the standardization of the ages of children to be included in pediatric trials and the optimal age-subgroups to be analyzed. METHODS We set out to evaluate empirically the age ranges of children, and age-subgroup analyses thereof, reported in recent pediatric randomized clinical trials (RCTs) and meta-analyses. First, we screened 24 RCTs published in Pediatrics during the first 6 months of 2011; second, we screened 188 pediatric RCTs published in 2007 in the Cochrane Central Register of Controlled Trials; third, we screened 48 pediatric meta-analyses published in the Cochrane Database of Systematic Reviews in 2011. We extracted information on age ranges and age-subgroups considered and age-subgroup differences reported. RESULTS The age range of children in RCTs published in Pediatrics varied from 0.1 to 17.5 years (median age: 5; interquartile range: 1.8-10.2) and only 25% of those presented age-subgroup analyses. Large variability was also detected for age ranges in 188 RCTs from the Cochrane Central Register of Controlled Trials, and only 28 of those analyzed age-subgroups. Moreover, only 11 of 48 meta-analyses had age-subgroup analyses, and in 6 of those, only different studies were included. Furthermore, most of these observed differences were not beyond chance. CONCLUSIONS We observed large variability in the age ranges and age-subgroups of children included in recent pediatric trials and meta-analyses. Despite the limited available data, some age-subgroup differences were noted. The rationale for the selection of particular age-subgroups deserves further study.
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Affiliation(s)
- Despina G Contopoulos-Ioannidis
- Department of Pediatrics, Division of Infectious Diseases, Stanford Prevention Research Center, Stanford University School of Medicine, Stanford, California 94305, USA.
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Kahn D, Veyckemans F. L’induction en séquence rapide chez l’enfant : nouveaux concepts. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.pratan.2012.02.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Abstract
The prevalence of childhood obesity is increasing. The focus of this review is the special anesthetic considerations regarding the perioperative management of obese children. With obesity the risk of comorbidity such as asthma, obstructive sleep apnea, hypertension, and diabetes increases. The obese child has an increased risk of perioperative complications especially related to airway management and ventilation. There is a significantly increased risk of difficult mask ventilation and perioperative desaturation. Furthermore, obesity has an impact on the pharmacokinetics of most anesthetic drugs. This has important implications on how to estimate the optimal drug dose. This article offers a review of the literature on definition, prevalence and the pathophysiology of childhood obesity and provides suggestions on preanesthetic evaluation, airway management and dosage of the anesthetic drugs in these patients. The authors highlight the need of supplemental studies on various areas of the subject.
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Affiliation(s)
- Anette Mortensen
- Department of Anesthesiology, Juliane Marie Centre, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.
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Abstract
BACKGROUND There is an increasing awareness of the role of oxygen free radicals in the pathogenesis of many conditions associated with prematurity, which has led to caution in the use of oxygen in neonatal resuscitation. We surveyed the practice of UK pediatric anesthetists with regard to oxygen use in neonatal and infant anesthesia. METHODS A postal questionnaire survey of 460 UK-based members of the Association of Pediatric Anesthetists of Great Britain and Ireland. RESULTS Responses were received from 247 pediatric anesthetists (54%). Seventy-five percent of anesthetists aim to avoid the use of 100% oxygen during routine infant anesthesia and 52% aim for an FiO(2) of < 0.4 in neonates. The factors most influencing choice of carrier gas are optimal oxygenation and the avoidance of pulmonary atelectasis. Sixteen percent stated that unavailability of medical air is a factor. Opinion was divided on concern about the effects of anesthetic agents on the developing brain. Moderate levels of concern were expressed about the potential toxic effects of oxygen on the eyes and lungs of premature newborns but this concern does not extend to term newborns. Only 20% of anesthetists had any recent knowledge of these issues. CONCLUSIONS This survey indicates that there is no consistency in attitudes and practices and demonstrates considerable variation in the use of oxygen during anesthesia in premature and newborn babies and infants. This may reflect the paucity of evidence in the anesthetic literature on the potential harmful effects of high concentrations of oxygen in vulnerable groups of infants.
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Affiliation(s)
- Judith A Short
- Department of Anaesthesia, Sheffield Children's Hospital, Sheffield, UK.
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