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Difficult intubation in syndromic versus nonsyndromic forms of micrognathia in children. Acta Anaesthesiol Scand 2024; 68:466-475. [PMID: 38164092 DOI: 10.1111/aas.14369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/27/2023] [Accepted: 12/03/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND We investigated how syndromic versus nonsyndromic forms of micrognathia impacted difficult intubation outcomes in children. Primary outcome was the first-attempt success rate of tracheal intubation, secondary outcomes were number of intubation attempts and complications. We hypothesized that syndromic micrognathia would be associated with lower first-attempt success rate. METHODS In micrognathic patients enrolled in the Pediatric Difficult Intubation Registry (08/2012-03/2019) we retrospectively compared demographic and clinical characteristics between children with nonsyndromic and syndromic micrognathia using standardized mean differences (SMD) and assessed the association of the presence of syndrome with the primary and secondary outcomes using propensity score matching analysis with and without matching for airway assessment findings. RESULTS Nonsyndromic patients (628) were less likely to have additional airway abnormalities. Syndromic patients (216) were less likely to have unanticipated difficult intubation (2% vs. 20%, SMD 0.59). First-attempt success rates of intubation were: 38% in the syndromic versus 34% in the nonsyndromic group (odds ratio [OR] 1.18; 95% confidence intervals [95% CI] 0.74, 1.89; p = .478), and 37% versus 37% (OR 0.99; 95% CI 0.66, 1.48; p = .959). Median number of intubation attempts were 2 (interquartile range [IQR]: 1, 3; range: 1, 8) versus 2 (IQR: 1, 3; range 1, 12) (median regression coefficient = 0; 95% CI: -0.7, 0.7; p = .999) and 2 (IQR: 1, 3; range: 1, 12) versus 2 (IQR: 1, 3; range 1, 8) (median regression coefficient = 0; 95% CI: -0.5, 0.5; p = .999). Complication rates were 14% versus 22% (OR 0.6; 95% CI 0.34, 1.04; p = .07) and 16% versus 21% (OR 0.71; 95% CI 0.43, 1.17; p = .185). CONCLUSIONS Presence of syndrome was not associated with lower first-attempt success rate on intubation, number of intubation attempts, or complication rate among micrognathic patients difficult to intubate, despite more associated craniofacial abnormalities. Nonsyndromic patients were more likely to have unanticipated difficult intubations, first attempt with direct laryngoscopy.
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Airway management in the paediatric difficult intubation registry: a propensity score matched analysis of outcomes over time. EClinicalMedicine 2024; 69:102461. [PMID: 38374968 PMCID: PMC10875248 DOI: 10.1016/j.eclinm.2024.102461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 01/16/2024] [Accepted: 01/17/2024] [Indexed: 02/21/2024] Open
Abstract
Background The Paediatric Difficult Intubation Collaborative identified multiple attempts and persistence with direct laryngoscopy as risk factors for complications in children with difficult tracheal intubations and subsequently engaged in initiatives to reduce repeated attempts and persistence with direct laryngoscopy in children. We hypothesised these efforts would lead to fewer attempts, fewer direct laryngoscopy attempts and decrease complications. Methods Paediatric patients less than 18 years of age with difficult direct laryngoscopy were enrolled in the Paediatric Difficult Intubation Registry. We define patients with difficult direct laryngoscopy as those in whom (1) an attending or consultant obtained a Cormack Lehane Grade 3 or 4 view on direct laryngoscopy, (2) limited mouth opening makes direct laryngoscopy impossible, (3) direct laryngoscopy failed in the preceding 6 months, and (4) direct laryngoscopy was deferred due to perceived risk of harm or poor chance of success. We used a 5:1 propensity score match to compare an early cohort from the initial Paediatric Difficult Intubation Registry analysis (August 6, 2012-January 31, 2015, 785 patients, 13 centres) and a current cohort from the Registry (March 4, 2017-March 31, 2023, 3925 patients, 43 centres). The primary outcome was first attempt success rate between cohorts. Success was defined as confirmed endotracheal intubation and assessed by the treating clinician. Secondary outcomes were eventual success rate, number of attempts at intubation, number of attempts with direct laryngoscopy, the incidence of persistence with direct laryngoscopy, use of supplemental oxygen, all complications, and severe complications. Findings First-attempt success rate was higher in the current cohort (42% vs 32%, OR 1.5 95% CI 1.3-1.8, p < 0.001). In the current cohort, there were fewer attempts (2.2 current vs 2.7 early, regression coefficient -0.5 95% CI -0.6 to -0.4, p < 0.001), fewer attempts with direct laryngoscopy (0.6 current vs 1.0 early, regression coefficient -0.4 95% CI -0.4 to 0.3, p < 0.001), and reduced persistence with direct laryngoscopy beyond two attempts (7.3% current vs 14.1% early, OR 0.5 95% CI 0.4-0.6, p < 0.001). Overall complication rates were similar between cohorts (19% current vs 20% early). Severe complications decreased to 1.8% in the current cohort from 3.2% in the early cohort (OR 0.55 95% CI 0.35-0.87, p = 0.011). Cardiac arrests decreased to 0.8% in the current cohort from 1.8% in the early cohort. We identified persistence with direct laryngoscopy as a potentially modifiable factor associated with severe complications. Interpretation In the current cohort, children with difficult tracheal intubations underwent fewer intubation attempts, fewer attempts with direct laryngoscopy, and had a nearly 50% reduction in severe complications. As persistence with direct laryngoscopy continues to be associated with severe complications, efforts to limit direct laryngoscopy and promote rapid transition to advanced techniques may enhance patient safety. Funding None.
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The role of WhatsApp™ in pediatric difficult airway management: A study from the PeDI Collaborative. Paediatr Anaesth 2023; 33:1001-1011. [PMID: 37715538 DOI: 10.1111/pan.14760] [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: 06/04/2023] [Revised: 08/29/2023] [Accepted: 09/04/2023] [Indexed: 09/17/2023]
Abstract
BACKGROUND Management of the pediatric difficult airway can present unique clinical challenges. The Pediatric Difficult Intubation Collaborative (PeDI-C) is an international collaborative group engaging in quality improvement and research in children with difficult airways. The PeDI-C established a WhatsApp™ group to facilitate real-time discussions around the management of the difficult airway in pediatric patients. The goals of this study were to evaluate the patterns of use of the WhatsApp™ group, themes on messages posted on pediatric difficult airway management and to assess the perceived usefulness of the WhatsApp™ group by the PeDI-C members. METHOD Following research ethics approval, we performed a database analysis on the archived discussion of the PeDI-C WhatsApp™ group from 2014 to 2019 and surveyed members to assess the perceived usefulness of the PeDI-C WhatsApp™ group. RESULTS 5781 messages were reviewed with 350 (6.0%) original stems. The three most common original stem types were advice seeking 98 (28%), announcements 85 (24.2%), and clinical case-sharing 78 (22.2%). The median number of responses to original stems was 9 [2-21.3]. Post types associated with increased responses included those seeking advice on medication/equipment (regression coefficient 0.78, 95% CI [0.41-1.16]; p < .0001); seeking advice on patient care (regression coefficient 1.16, 95% CI [0.86-1.45]; p < .0001), sharing advice on medication/equipment availability (regression coefficient 0.87, 95% CI [0.33-1.40], p < .0016), and clinical case-sharing (regression coefficient 1.2547, 95% CI [0.9401-1.5693] p < .0001). 46/64 members of the group responded to the survey. Replies offering advice regarding patient management scenarios were found to be of most interest and 77% of surveyed members found the discussion translatable into their own clinical practice. DISCUSSION The PeDI-C WhatsApp™ group has facilitated timely knowledge exchange on pediatric difficult airway management across the world. Participants are satisfied with the role the Whatsapp™ group is playing.
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Efficacy of a hybrid technique of simultaneous videolaryngoscopy with flexible bronchoscopy in children with difficult direct laryngoscopy in the Pediatric Difficult Intubation Registry. Anaesthesia 2023. [PMID: 37322572 DOI: 10.1111/anae.16049] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2023] [Indexed: 06/17/2023]
Abstract
Children with difficult tracheal intubation are at increased risk of severe complications, including hypoxaemia and cardiac arrest. Increasing experience with the simultaneous use of videolaryngoscopy and flexible bronchoscopy (hybrid) in adults led us to hypothesise that this hybrid technique could be used safely and effectively in children under general anaesthesia. We reviewed observational data from the international Pediatric Difficult Intubation Registry from 2017 to 2021 to assess the safety and efficacy of hybrid tracheal intubation approaches in paediatric patients. In total, 140 patients who underwent 180 attempts at tracheal intubation with the hybrid technique were propensity score-matched 4:1 with 560 patients who underwent 800 attempts with a flexible bronchoscope. In the hybrid group, first attempt success was 70% (98/140) compared with 63% (352/560) in the flexible bronchoscope group (odds ratio (95%CI) 1.4 (0.9-2.1), p = 0.1). Eventual success rates in the matched groups were 90% (126/140) for hybrid vs. 89% (499/560) for flexible bronchoscope (1.1 (0.6-2.1), p = 0.8). Complication rates were similar in both groups (15% (28 complications in 182 attempts) hybrid; 13% (102 complications in 800 attempts) flexible bronchoscope, p = 0.3). The hybrid technique was more likely than flexible bronchoscopy to be used as a rescue technique following the failure of another technique (39% (55/140) vs. 25% (138/560), 2.1 (1.4-3.2) p < 0.001). While technically challenging, the hybrid technique has success rates similar to other advanced airway techniques, few complications and may be considered an alternative technique when developing an airway plan for paediatric patients whose tracheas are difficult to intubate under general anaesthesia.
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Difficult or impossible facemask ventilation in children with difficult tracheal intubation: a retrospective analysis of the PeDI registry. Br J Anaesth 2023:S0007-0912(23)00122-8. [PMID: 37076335 DOI: 10.1016/j.bja.2023.02.035] [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: 10/24/2022] [Revised: 02/25/2023] [Accepted: 02/27/2023] [Indexed: 04/21/2023] Open
Abstract
BACKGROUND Difficult facemask ventilation is perilous in children whose tracheas are difficult to intubate. We hypothesised that certain physical characteristics and anaesthetic factors are associated with difficult mask ventilation in paediatric patients who also had difficult tracheal intubation. METHODS We queried a multicentre registry for children who experienced "difficult" or "impossible" facemask ventilation. Patient and case factors known before mask ventilation attempt were included for consideration in this regularised multivariable regression analysis. Incidence of complications, and frequency and efficacy of rescue placement of a supraglottic airway device were also tabulated. Changes in quality of mask ventilation after injection of a neuromuscular blocking agent were assessed. RESULTS The incidence of difficult mask ventilation was 9% (483 of 5453 patients). Infants and patients having increased weight, being less than 5th percentile in weight for age, or having Treacher-Collins syndrome, glossoptosis, or limited mouth opening were more likely to have difficult mask ventilation. Anaesthetic induction using facemask and opioids was associated with decreased risk of difficult mask ventilation. The incidence of complications was significantly higher in patients with "difficult" mask ventilation than in patients without. Rescue placement of a supraglottic airway improved ventilation in 71% (96 of 135) of cases. Administration of neuromuscular blocking agents was more frequently associated with improvement or no change in quality of ventilation than with worsening. CONCLUSIONS Certain abnormalities on physical examination should increase suspicion of possible difficult facemask ventilation. Rescue use of a supraglottic airway device in children with difficult or impossible mask ventilation should be strongly considered.
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Mitigation and Outcomes of Difficult Bag-Mask Ventilation in Critically Ill Children. J Pediatr Intensive Care 2023. [DOI: 10.1055/s-0042-1760413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
AbstractDifficult bag-mask ventilation (BMV) occurs in 10% of pediatric intensive care unit (PICU) tracheal intubations (TI). The reasons clinicians identify difficult BMV in the PICU and the interventions used to mitigate that difficulty have not been well-studied. This is a prospective, observational, single-center study. A patient-specific data form was sent to PICU physicians supervising TIs from November 2019 through December 2020 to identify the presence of difficult BMV, attempted interventions used, and perceptions about intervention success. The dataset was linked and merged with the local TI quality database to assess safety outcomes. Among 305 TIs with response (87% response rate), 267 (88%) clinicians performed BMV during TI. Difficult BMV was reported in 28 of 267 patients (10%). Commonly reported reasons for difficult BMV included: facial structure (50%), high inspiratory pressure (36%), and improper mask fit (21%). Common interventions were jaw thrust (96%) and an airway adjunct (oral airway 50%, nasal airway 7%, and supraglottic airway 11%), with ventilation improvement in 44% and 73%, respectively. Most difficult BMV was identified before neuromuscular blockade (NMB) administration (96%) and 67% (18/27) resolved after NMB administration. The overall success in improving ventilation was 27/28 (96%). TI adverse outcomes (hemodynamic events, emesis, and/or hypoxemia <80%) are associated with the presence of difficult BMV (10/28, 36%) versus non-difficult BMV (20/239, 8%, p< 0.001). Difficult BMV is common in critically ill children and is associated with increased TI adverse outcomes. Airway adjunct placement and NMB use are often effective in improving ventilation.
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Supraglottic Airways, Tennis, and Neonatal Resuscitation. Pediatrics 2022; 150:188755. [PMID: 35948629 DOI: 10.1542/peds.2022-057567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/17/2022] [Indexed: 11/24/2022] Open
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Practice what you teach: An approach to integrate airway education for experienced anesthesia clinicians. Paediatr Anaesth 2022; 32:1024-1030. [PMID: 35603427 DOI: 10.1111/pan.14495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 05/03/2022] [Accepted: 05/09/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND The COVID-19 pandemic has disrupted clinician education. To address this challenge, our divisional difficult airway program (AirEquip) designed and implemented small-group educational workshops for experienced clinicians. Our primary aim was to test the feasibility and acceptability of a small-group, flexible-curriculum skills workshop conducted during the clinical workday. Secondary objectives were to evaluate whether our workshop increased confidence in performing relevant skills and to assess the work-effort required for the new program. METHODS We implemented a 1:1 and 2:1 (participant to facilitator ratio) airway skills workshop for experienced clinicians during the workday. A member of the AirEquip team temporarily relieved the attendee of clinical duties to facilitate participation. Attendance was encouraged but not required. Feasibility was assessed by clinician attendance, and acceptability was assessed using three Likert scale questions and derived from free-response feedback. Participants completed pre and postworkshop surveys to assess familiarity and comfort with various aspects of airway management. A work-effort analysis was conducted and compared to the effort to run a previously held larger-format difficult airway conference. RESULTS Fifteen workshops were conducted over 7 weeks; members of AirEquip were able to temporarily assume participants' clinical duties. Forty-seven attending anesthesiologists and 17 CRNAs attended the workshops, compared with six attending anesthesiologists and five CRNAs who attended the most recent larger-format conference. There was no change in confidence after workshop participation, but participants overwhelmingly expressed enthusiasm and satisfaction with the workshops. The number of facilitator person-hours required to operate the workshops (105 h) was similar to that required to run a single all-day larger-format conference (104.5 h). CONCLUSION It is feasible and acceptable to incorporate expert-led skills training into the clinical workday. Alongside conferences and large-format instruction, this modality enhances the way we are able to share knowledge with our colleagues. This concept can likely be applied to other skills in various clinical settings.
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A prospective observational study of video laryngoscopy-guided coaching in the pediatric intensive care unit. Paediatr Anaesth 2022; 32:1015-1023. [PMID: 35656910 PMCID: PMC9357165 DOI: 10.1111/pan.14505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 05/05/2022] [Accepted: 05/30/2022] [Indexed: 12/01/2022]
Abstract
BACKGROUND There are limited data on the use of video laryngoscopy for pediatric patients outside of the operating room. AIM Our primary aim was to evaluate whether implementation of video laryngoscopy-guided coaching for tracheal intubation is feasible with a high level of compliance and associated with a reduction in adverse tracheal intubation-associated events. METHODS This is a pre-post observational study of video laryngoscopy implementation with standardized coaching language for tracheal intubation in a single-center, pediatric intensive care unit. The use of video laryngoscopy as a coaching device with standardized coaching language was implemented as a part of practice improvement. All patients in the pediatric intensive care unit were included between January 2016 and December 2017 who underwent primary tracheal intubation with either video laryngoscopy or direct laryngoscopy. The uptake of the implementation, sustained compliance, tracheal intubation outcomes including all adverse tracheal intubation-associated events, oxygen desaturations (<80% SpO2), and first attempt success were measured. RESULTS Among 580 tracheal intubations, 284 (49%) were performed during the preimplementation phase, and 296 (51%) postimplementation. Compliance for the use of video laryngoscopy with standardized coaching language was high (74% postimplementation) and sustained. There were no statistically significant differences in adverse tracheal intubation-associated events between the two phases (pre- 9% vs. post- 5%, absolute difference -3%, CI95 : -8% to 1%, p = .11), oxygen desaturations <80% (pre- 13% vs. post- 13%, absolute difference 1%, CI95 : -6% to 5%, p = .75), or first attempt success (pre- 73% vs. post- 76%, absolute difference 4%, CI95 : -3% to 11%, p = .29). Supervisors were more likely to use the standardized coaching language when video laryngoscopy was used for tracheal intubation than with standard direct laryngoscopy (80% vs. 43%, absolute difference 37%, CI95 : 23% to 51%, p < .001). CONCLUSIONS Implementation of video laryngoscopy as a supervising device with standardized coaching language was feasible with high level of adherence, yet not associated with an increased occurrence of any adverse tracheal intubation-associated events and oxygen desaturation.
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2022 American Society of Anesthesiologists Practice Guidelines for Management of the Difficult Airway. Anesthesiology 2022; 136:31-81. [PMID: 34762729 DOI: 10.1097/aln.0000000000004002] [Citation(s) in RCA: 314] [Impact Index Per Article: 157.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The American Society of Anesthesiologists; All India Difficult Airway Association; European Airway Management Society; European Society of Anaesthesiology and Intensive Care; Italian Society of Anesthesiology, Analgesia, Resuscitation and Intensive Care; Learning, Teaching and Investigation Difficult Airway Group; Society for Airway Management; Society for Ambulatory Anesthesia; Society for Head and Neck Anesthesia; Society for Pediatric Anesthesia; Society of Critical Care Anesthesiologists; and the Trauma Anesthesiology Society present an updated report of the Practice Guidelines for Management of the Difficult Airway.
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A Coronavirus Disease 2019 Pandemic Pivot: Development of the American Board of Anesthesiology's Virtual APPLIED Examination. Anesth Analg 2021; 133:1331-1341. [PMID: 34517394 DOI: 10.1213/ane.0000000000005750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
In 2020, the coronavirus disease 2019 (COVID-19) pandemic interrupted the administration of the APPLIED Examination, the final part of the American Board of Anesthesiology (ABA) staged examination system for initial certification. In response, the ABA developed, piloted, and implemented an Internet-based "virtual" form of the examination to allow administration of both components of the APPLIED Exam (Standardized Oral Examination and Objective Structured Clinical Examination) when it was impractical and unsafe for candidates and examiners to travel and have in-person interactions. This article describes the development of the ABA virtual APPLIED Examination, including its rationale, examination format, technology infrastructure, candidate communication, and examiner training. Although the logistics are formidable, we report a methodology for successfully introducing a large-scale, high-stakes, 2-element, remote examination that replicates previously validated assessments.
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Lessons from COVID-19: A reflection on the strengths and weakness of early consensus recommendations for pediatric difficult airway management during a respiratory viral pandemic using a modified Delphi method. Paediatr Anaesth 2021; 31:1074-1088. [PMID: 34387013 DOI: 10.1111/pan.14272] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 08/06/2021] [Accepted: 08/11/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND The authors recognized a gap in existing guidelines and convened a modified Delphi process to address novel issues in pediatric difficult airway management raised by the COVID-19 pandemic. METHODS The Pediatric Difficult Intubation Collaborative, a working group of the Society for Pediatric Anesthesia, assembled an international panel to reach consensus recommendations on pediatric difficult airway management during the COVID-19 pandemic using a modified Delphi method. We reflect on the strengths and weaknesses of this process and ways care has changed as knowledge and experience have grown over the course of the pandemic. RECOMMENDATIONS In the setting of the COVID-19 pandemic, the Delphi panel recommends against moving away from the operating room solely for the purpose of having a negative pressure environment. The Delphi panel recommends supplying supplemental oxygen and using videolaryngoscopy during anticipated difficult airway management. Direct laryngoscopy is not recommended. If the patient meets extubation criteria, extubate in the OR, awake, at the end of the procedure. REFLECTION These recommendations remain valuable guidance in caring for children with anticipated difficult airways and infectious respiratory pathology when reviewed in light of our growing knowledge and experience with COVID-19. The panel initially recommended minimizing involvement of additional people and trainees and minimizing techniques associated with aerosolization of viral particles. The demonstrated effectiveness of PPE and vaccination at reducing the risk of exposure and infection to clinicians managing the airway makes these recommendations less relevant for COVID-19. They would likely be important initial steps in the face of novel respiratory viral pathogens. CONCLUSIONS The consensus process cannot and should not replace evidence-based guidelines; however, it is encouraging to see that the panel's recommendations have held up well as scientific knowledge and clinical experience have grown.
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The Prevalence of Difficult Airway in Children With Beckwith-Wiedemann Syndrome: A Retrospective Cohort Study. Anesth Analg 2021; 133:1559-1567. [PMID: 33886515 DOI: 10.1213/ane.0000000000005536] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Beckwith-Wiedemann syndrome (BWS) is the most common congenital overgrowth disorder with an incidence of approximately 1 in 10,000 live births. The condition is characterized by lateralized overgrowth, abdominal wall defects, macroglossia, and predisposition to malignancy. Historically, children with BWS have been presumed to have difficult airways; however, most of the evidence to support this has been anecdotal and derived from case reports. Our study aimed to determine the prevalence of difficult airway in patients with BWS. We hypothesized that most patients with BWS would not have difficult airways. METHODS We retrospectively reviewed the electronic medical records of patients enrolled in our institution's BWS registry. Patients with a molecular diagnosis of BWS who were anesthetized between January 2012 and July 2019 were included for analysis. The primary outcome was the presence of difficult airway, defined as difficult facemask ventilation, difficult intubation, or both. We defined difficult intubation as the need for 3 or more tracheal intubation attempts and the need for advanced airway techniques (nondirect laryngoscopy) to perform tracheal intubation or a Cormack and Lehane grade ≥3 during direct laryngoscopy. Secondary objectives were to define predictors of difficult intubation and difficult facemask ventilation, and the prevalence of adverse airway events. Generalized linear mixed-effect models were used to account for multiple anesthesia events per patient. RESULTS Of 201 BWS patients enrolled in the registry, 60% (n = 122) had one or more documented anesthetics, for a total of 310 anesthetics. A preexisting airway was present in 22 anesthetics. The prevalence of difficult airway was 5.3% (95% confidence interval [CI], 3.0-9.3; 18 of 288) of the cases. The prevalence of difficult intubation was 5.2% (95% CI, 2.9-9.4; 12 of 226). The prevalence of difficult facemask ventilation was 2.9% (95% CI, 1.4-6.2; 12 of 277), and facemask ventilation was not attempted in 42 anesthetics. Age <1 year, macroglossia, lower weight, endocrine comorbidities, plastics/craniofacial surgery, tongue reduction surgery, and obstructive sleep apnea were associated with difficult airways in cases without a preexisting airway. About 83.8% (95% CI, 77.6-88.5) of the cases were intubated with a single attempt. Hypoxemia was the most common adverse event. CONCLUSIONS The prevalence of difficult tracheal intubation and difficult facemask ventilation in children with BWS was 5.2% and 2.9%, respectively. We identified factors associated with difficult airway, which included age <1 year, macroglossia, endocrine abnormalities, plastics/craniofacial surgery, tongue reduction surgery, and obstructive sleep apnea. Clinicians should anticipate difficult airways in patients with these factors.
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Challenging the status quo of scientific presentations. Paediatr Anaesth 2021; 31:116-122. [PMID: 33151606 DOI: 10.1111/pan.14064] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 10/28/2020] [Accepted: 10/30/2020] [Indexed: 11/28/2022]
Abstract
Scientific presentations, usually given with slide presentation software such as PowerPoint™, are the most common method for disseminating knowledge to students and peers. Unfortunately, many are boring, text-heavy, and bullet point-riddled data dumps, with animations or cartoons that obscure or distract rather than clarify the message. These presentations, which we have all sat through and/or delivered, are often so dull that they are referred to as "death by PowerPoint™." In this paper, the authors intend to impart basic techniques for organizing and communicating information in the most effective, engaging, and actionable ways possible. We focus on three processes: generating ideas and outlining a talk, creating visually appealing uncluttered slides, and delivering an inspiring, practice-changing presentation. We also discuss considerations for a virtual presentation. We believe that even experienced speakers could benefit from reflecting on these recommendations and editing their slide presentations for clarity and simplicity.
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First-attempt success rate of video laryngoscopy in small infants (VISI): a multicentre, randomised controlled trial. Lancet 2020; 396:1905-1913. [PMID: 33308472 DOI: 10.1016/s0140-6736(20)32532-0] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 09/26/2020] [Accepted: 10/08/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND Orotracheal intubation of infants using direct laryngoscopy can be challenging. We aimed to investigate whether video laryngoscopy with a standard blade done by anaesthesia clinicians improves the first-attempt success rate of orotracheal intubation and reduces the risk of complications when compared with direct laryngoscopy. We hypothesised that the first-attempt success rate would be higher with video laryngoscopy than with direct laryngoscopy. METHODS In this multicentre, parallel group, randomised controlled trial, we recruited infants without difficult airways abnormalities requiring orotracheal intubation in operating theatres at four quaternary children's hospitals in the USA and one in Australia. We randomly assigned patients (1:1) to video laryngoscopy or direct laryngoscopy using random permuted blocks of size 2, 4, and 6, and stratified by site and clinician role. Guardians were masked to group assignment. The primary outcome was the proportion of infants with a successful first attempt at orotracheal intubation. Analysis (modified intention-to-treat [mITT] and per-protocol) used a generalised estimating equation model to account for clustering of patients treated by the same clinician and institution, and adjusted for gestational age, American Society of Anesthesiologists physical status, weight, clinician role, and institution. The trial is registered at ClinicalTrials.gov, NCT03396432. FINDINGS Between June 4, 2018, and Aug 19, 2019, 564 infants were randomly assigned: 282 (50%) to video laryngoscopy and 282 (50%) to direct laryngoscopy. The mean age of infants was 5·5 months (SD 3·3). 274 infants in the video laryngoscopy group and 278 infants in the direct laryngoscopy group were included in the mITT analysis. In the video laryngoscopy group, 254 (93%) infants were successfully intubated on the first attempt compared with 244 (88%) in the direct laryngoscopy group (adjusted absolute risk difference 5·5% [95% CI 0·7 to 10·3]; p=0·024). Severe complications occurred in four (2%) infants in the video laryngoscopy group compared with 15 (5%) in the direct laryngoscopy group (-3·7% [-6·5 to -0·9]; p=0·0087). Fewer oesophageal intubations occurred in the video laryngoscopy group (n=1 [<1%]) compared with in the direct laryngoscopy group (n=7 [3%]; -2·3 [-4·3 to -0·3]; p=0·028). INTERPRETATION Among anaesthetised infants, using video laryngoscopy with a standard blade improves the first-attempt success rate and reduces complications. FUNDING Anaesthesia Patient Safety Foundation, Society for Airway Management, and Karl Storz Endoscopy.
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Airway emergency management in a pediatric hospital before and during the COVID-19 pandemic. Int J Pediatr Otorhinolaryngol 2020; 139:110458. [PMID: 33130467 PMCID: PMC7568466 DOI: 10.1016/j.ijporl.2020.110458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 10/13/2020] [Accepted: 10/13/2020] [Indexed: 11/28/2022]
Abstract
OBJECTIVE Children's hospitals frequently care for infants with various life-threatening airway anomalies. Management of these infants can be challenging given unique airway anatomy and potential malformations. Airway emergency management must be immediate and precise, often demanding specialized equipment and/or expertise. We developed a Neonatal-Infant Emergency Airway Program to improve medical responses, communication, equipment usage and outcomes for all infants requiring emergent airway interventions in our neonatal and infant intensive care unit (NICU). PATIENTS AND METHODS All patients admitted to our quaternary NICU from 2008 to 2019 were included in this study. Our program consisted of a multidisciplinary airway response team, pager system, and emergency equipment cart. Respiratory therapists present at each emergency event recorded specialist response times, equipment utilization, and outcomes. A multidisciplinary oversite committee reviewed each incident. RESULTS Since 2008, there were 159 airway emergency events in our NICU (~12 per year). Mean specialist response times decreased from 5.9 ± 4.9 min (2008-2012, mean ± SD) to 4.3 ± 2.2 min (2016-2019, p = 0.12), and the number of incidents with response times >5 min decreased from 28.8 ± 17.8% (2008-2012) to 9.3 ± 11.4% (2016-2019, p = 0.04 by linear regression). As our program became more standardized, we noted better equipment availability and subspecialist communication. Few emergency situations (n = 9, 6%) required operating room management. There were 3 patient deaths (2%). CONCLUSIONS Our airway safety program, including readily available specialists and equipment, facilitated effective resolution of airway emergencies in our NICU and multidisciplinary involvement enabled rapid and effective changes in response to COVID-19 regulations. A similar program could be implemented in other centers.
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Airway emergency management in a pediatric hospital before and during the COVID-19 pandemic. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2020:2020.09.25.20201582. [PMID: 32995823 PMCID: PMC7523164 DOI: 10.1101/2020.09.25.20201582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Objective Children's hospitals frequently care for infants with various life-threatening airway anomalies. Management of these infants can be challenging given unique airway anatomy and potential malformations. Airway emergency management must be immediate and precise, often demanding specialized equipment and/or expertise. We developed a Neonatal-Infant Airway Safety Program to improve medical responses, communication, equipment usage and outcomes for infants requiring emergent airway interventions. Patients and Methods All patients admitted to our quaternary neonatal and infant intensive care unit (NICU) from 2008-2019 were included in this study. Our program consisted of a multidisciplinary airway response team, pager system, and emergency equipment cart. Respiratory therapists present at each emergency event recorded specialist response times, equipment utilization, and outcomes. A multidisciplinary oversite committee reviewed each incident. Results Since 2008, there were 159 airway emergency events in our NICU (~12 per year). Mean specialist response times decreased from 5.9±4.9 min (2008-2012, mean±SD) to 4.3±2.2 min (2016-2019, p=0.12), and the number of incidents with response times >5 min decreased from 28.8±17.8% (2008-2012) to 9.3±11.4% (2016-2019, p=0.04 by linear regression). As our program became more standardized, we noted better equipment availability and subspecialist communication. Few emergency situations (n=9, 6%) required operating room management. There were 3 patient deaths (2%). Conclusions Our airway safety program, including readily available specialists and equipment, facilitated effective resolution of airway emergencies in our NICU and multidisciplinary involvement enabled rapid and effective changes in response to COVID-19 regulations. A similar program could be implemented in other centers.
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Abstract
Children have unique characteristics that make them particularly vulnerable to perioperative adverse events. Skilled airway management is a cornerstone of high-quality anesthetic management. The use of hybrid airway techniques is a critical tool for the pediatric anesthesiologist. Point-of-care ultrasonography has an expanding role in airway management, from preoperative assessment of airway pathology and gastric contents to confirmation of tracheal intubation and identification of the cricothyroid membrane. The exciting fields of 3-dimensional printing, artificial intelligence, and machine learning are areas of innovation that will transform pediatric difficult airway management in years to come.
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Systems-focused simulation to prepare for COVID-19 intraoperative emergencies. Paediatr Anaesth 2020; 30:947-950. [PMID: 32683765 PMCID: PMC7404905 DOI: 10.1111/pan.13971] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 06/27/2020] [Accepted: 07/13/2020] [Indexed: 12/01/2022]
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Pediatric Airway Management in COVID-19 Patients: Consensus Guidelines From the Society for Pediatric Anesthesia's Pediatric Difficult Intubation Collaborative and the Canadian Pediatric Anesthesia Society. Anesth Analg 2020; 131:61-73. [PMID: 32287142 PMCID: PMC7173403 DOI: 10.1213/ane.0000000000004872] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/10/2020] [Indexed: 12/14/2022]
Abstract
The severe acute respiratory syndrome coronavirus 2 (coronavirus disease 2019 [COVID-19]) pandemic has challenged medical systems and clinicians globally to unforeseen levels. Rapid spread of COVID-19 has forced clinicians to care for patients with a highly contagious disease without evidence-based guidelines. Using a virtual modified nominal group technique, the Pediatric Difficult Intubation Collaborative (PeDI-C), which currently includes 35 hospitals from 6 countries, generated consensus guidelines on airway management in pediatric anesthesia based on expert opinion and early data about the disease. PeDI-C identified overarching goals during care, including minimizing aerosolized respiratory secretions, minimizing the number of clinicians in contact with a patient, and recognizing that undiagnosed asymptomatic patients may shed the virus and infect health care workers. Recommendations include administering anxiolytic medications, intravenous anesthetic inductions, tracheal intubation using video laryngoscopes and cuffed tracheal tubes, use of in-line suction catheters, and modifying workflow to recover patients from anesthesia in the operating room. Importantly, PeDI-C recommends that anesthesiologists consider using appropriate personal protective equipment when performing aerosol-generating medical procedures in asymptomatic children, in addition to known or suspected children with COVID-19. Airway procedures should be done in negative pressure rooms when available. Adequate time should be allowed for operating room cleaning and air filtration between surgical cases. Research using rigorous study designs is urgently needed to inform safe practices during the COVID-19 pandemic. Until further information is available, PeDI-C advises that clinicians consider these guidelines to enhance the safety of health care workers during airway management when performing aerosol-generating medical procedures. These guidelines have been endorsed by the Society for Pediatric Anesthesia and the Canadian Pediatric Anesthesia Society.
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Management of neonatal difficult airway emergencies in the delivery room. Paediatr Anaesth 2020; 30:544-551. [PMID: 32196824 DOI: 10.1111/pan.13859] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 03/11/2020] [Accepted: 03/14/2020] [Indexed: 01/29/2023]
Abstract
Neonatal airway emergencies in the delivery room are associated with significant morbidity and mortality. Etiologies vary, but often predispose the neonate to life threatening airway obstruction. With the recent expansion of fetal medicine programs, pediatric anesthesiologists are increasingly being asked to care for these patients. In this review, we discuss common etiologies of difficult airway at delivery, management tools and techniques, and surgical approaches.
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Duration of preoperative clear fluid fasting and peripheral intravenous catheterization in children: A single-center observational cohort study of 9693 patients. Paediatr Anaesth 2020; 30:137-146. [PMID: 31785039 DOI: 10.1111/pan.13777] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 11/24/2019] [Accepted: 11/26/2019] [Indexed: 01/03/2023]
Abstract
BACKGROUND Children routinely undergo inhalational induction of general anesthesia. Intravenous line placement typically occurs after induction of anesthesia and can be challenging, particularly in infants and young children. AIMS We conducted a retrospective observational study to determine whether there was an association between clear liquid fasting time and the number of peripheral intravenous catheter insertion attempts in anesthetized children. The secondary aim was to identify factors associated with multiple attempts to insert intravenous lines. METHODS After institutional research board approval, we retrieved a data set of all children between 0 months and 18 years who received general anesthesia at our hospital between January 1, 2016, and September 30, 2017. Data included age, gender, weight, race, ASA status, gestational age, number of peripheral intravenous catheter insertion attempts, any assistive device for insertion, and insertion site. Inclusion criteria were mask induction, ASA status 1 or 2, nonemergency, ambulatory surgical procedures, and placement of a single intravenous line during the anesthetic. RESULTS A total of 9693 patients were included in the study. Of which 8869 patients required one insertion attempt and 824 underwent multiple insertion attempts. 50% of patients in the single insertion attempt group had clear liquid fasting time <6.9 hours compared to 51.8% of patients requiring multiple attempts. Logistic regression model adjusted for age, ASA status, gender, and BMI did not find an association between duration of clear liquid fasting time and rate of multiple insertion attempts for intravenous catheters (OR: 0.99, 95% CI: 0.98-1.01, P = .47). CONCLUSION Clear liquid fasting time was not associated with multiple insertion attempts for intravenous line insertion in children receiving general anesthesia. Factors such as patient age, ethnicity, time of day of induction of anesthesia, and American Society of Anesthesiologists Physical Status classification show a greater association with the risk of multiple intravenous line insertion attempts.
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A framework for the management of the pediatric airway. Paediatr Anaesth 2019; 29:985-992. [PMID: 31402534 DOI: 10.1111/pan.13716] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 07/30/2019] [Accepted: 08/06/2019] [Indexed: 12/27/2022]
Abstract
Critical airway incidents in children are a frequent problem in pediatric anesthesia and remain a significant cause of morbidity and mortality. Young children are at particular risk in the perioperative period. Delayed management of airway obstruction can quickly lead to serious complications due to the short apnea tolerance in children. A simple, time critical, and pediatric-specific airway management approach combined with dedicated teaching, training, and frequent practice will help to reduce airway-related pediatric morbidity and mortality. There is currently no pediatric-specific universal framework available to guide practice. Current algorithms are modifications of adult approaches which are often inappropriate because of differences in age-related anatomy, physiology, and neurodevelopment. A universal and pragmatic approach is required to achieve acceptance across diverse pediatric clinicians, societies, and groups. Such a framework will also help to establish minimum standards for pediatric airway equipment, personnel, and medications whenever pediatric airway management is required.
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Attitudes and self-reported practices of orthopedic providers regarding prescription opioid use. J Opioid Manag 2019; 15:213-228. [PMID: 31343723 DOI: 10.5055/jom.2019.0505] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE Orthopedic surgeons are the third-highest opioid prescribers in the United States. Their prescribing practices can significantly affect the quantity of unconsumed opioids available to fuel the current opioid epidemic. The aim of this study was to identify prescribing patterns and knowledge gaps among orthopedic providers for targeted future interventions and investigation. DESIGN An online survey describing six common orthopedic surgical scenarios was distributed electronically to determine opioid type and quantity prescribed at discharge, medication disposal instructions, and the use of prescription drug monitoring programs (PDMPs) in the prescription writing process. SETTING Tertiary care academic hospitals. PARTICIPANTS Orthopedic physicians and mid-level providers practicing at Johns Hopkins Medical Institutions and University of Maryland Medical System. Of 179 providers contacted, 127 (71 percent) completed the survey. MAIN OUTCOME MEASURES Quantity of opioid prescribed, utilization of PDMPs, and provision of opioid disposal instructions. RESULTS While statistically significant associations were identified between quantity of opioid prescribed and surgical procedure, for five of six scenarios 95 percent of respondents recommended prescribing >55 oxycodone 5 mg pill equivalents (PEs) at discharge. An inverse correlation between years of clinical practice and mean number of PEs prescribed was observed. Fewer than 40 percent of respondents modified prescribing when presented with clinically relevant changes in scenario (history of depression or drug abuse). Over 60 percent of respondents do not use PDMPs, and 79 percent do not provide opioid disposal instructions. CONCLUSIONS Our findings support a need for targeted education to mitigate the role of orthopedic postoperative prescribing practices on the current opioid abuse epidemic.
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A Retrospective Analysis of Neuromuscular Blocking Drug Use and Ventilation Technique on Complications in the Pediatric Difficult Intubation Registry Using Propensity Score Matching. Anesth Analg 2019; 131:469-479. [DOI: 10.1213/ane.0000000000004393] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Getting to know a familiar face: Current and emerging focused ultrasound applications for the perioperative setting. Paediatr Anaesth 2019; 29:672-681. [PMID: 30839154 DOI: 10.1111/pan.13625] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 02/26/2019] [Accepted: 03/03/2019] [Indexed: 12/18/2022]
Abstract
Ultrasound technology is available in many pediatric perioperative settings. There is an increasing number of ultrasound applications for anesthesiologists which may enhance clinical performance, procedural safety, and patient outcomes. This review highlights the literature and experience supporting focused ultrasound applications in the pediatric perioperative setting across varied disciplines including anesthesiology. The review also suggests strategies for building educational and infrastructural systems to translate this technology into clinical practice.
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Care Standardization Reduces Blood Donor Exposures and Transfusion in Complex Cranial Vault Reconstruction. Hosp Pediatr 2018; 8:595-603. [PMID: 30181236 DOI: 10.1542/hpeds.2018-0027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
BACKGROUND Complex cranial vault reconstruction (CCVR) often requires a large-volume transfusion of blood products. We implemented a series of improvement interventions to reduce blood donor exposures (BDE) and transfusion requirements in CCVR. METHODS We implemented interventions over 4 epochs: (E1) reconstituted blood (1:1 ratio of donor-matched red blood cells and fresh-frozen plasma) for intraoperative transfusions, (E2) reconstituted blood plus postoperative transfusion guidelines, (E3) reconstituted blood plus intraoperative antifibrinolytics and postoperative guidelines, and (E4) fresh whole blood for intraoperative transfusion, antifibrinolytics, and postoperative guidelines. Primary outcomes, BDE, and total volume of blood products transfused are presented by using statistical process control charts, with statistical comparisons between each epoch and baseline data. RESULTS We included 347 patients <72 months old who underwent CCVR between 2008 and 2016 (E1: n = 50; E2: n = 41; E3: n = 87; and E4: n = 169). They were compared with a baseline sample group of 138 patients who were managed between 2001 and 2006. Compared with our baseline group, patients in each epoch had a significant reduction in BDE (P = .02-<.0001). Conversely, compared with the baseline group, we observed an increase the volume of blood products transfused in E1 (P = .004), no difference in E2 (P = .6) or E3 (P = .46), and a reduction in the volume of blood products transfused in E4 (P < .0001). CONCLUSIONS The implementation of sequential clinical improvement strategies resulted in a sustained reduction in BDE whereas only the use of whole blood resulted in a significant reduction in the total volume of blood products transfused in children undergoing CCVR.
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A Prospective Observational Study of Technical Difficulty With GlideScope-Guided Tracheal Intubation in Children. Anesth Analg 2018; 127:467-471. [DOI: 10.1213/ane.0000000000003412] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Technique Utilizing a Modified Oral Ring-Adair-Elwyn Tube to Provide Continuous Oxygen and Sevoflurane Delivery During Nasotracheal Intubation in an Infant With a Difficult Airway: A Case Report. A A Pract 2018; 10:254-257. [PMID: 29757793 DOI: 10.1213/xaa.0000000000000677] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Managing the airway of an infant with Pierre Robin sequence (PRS) is particularly challenging for anesthesiologists. Patients with PRS have the triad of micrognathia, glossoptosis, and airway obstruction that potentially and frequently leads to difficulty with both ventilation and intubation. Thus continuous oxygenation and spontaneous ventilation during intubation are essential. We describe a new method to deliver continuous oxygen and volatile anesthetic during nasotracheal intubation in an infant with PRS.
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Predicting Adverse Perioperative Events in Patients Undergoing Primary Cleft Palate Repair. Cleft Palate Craniofac J 2018; 55:574-581. [DOI: 10.1177/1055665617744065] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Objective: This study aimed to identify risk factors for adverse perioperative events (APEs) after cleft palatoplasty to develop an individualized risk assessment tool. Design: Retrospective cohort. Setting: Tertiary institutional. Patients: Patients younger than 2 years with cleft palate. Interventions: Primary Furlow palatoplasty between 2008 and 2011. Main Outcome Measure(s): Adverse perioperative event, defined as laryngo- or bronchospasm, accidental extubation, reintubation, obstruction, hypoxia, or unplanned intensive care unit admission. Results: Three hundred patients averaging 12.3 months old were included. Cleft distribution included submucous, 1%; Veau 1, 17.3%; Veau 2, 38.3%; Veau 3, 30.3%; and Veau 4, 13.0%. Pierre Robin (n = 43) was the most prevalent syndrome/anomaly. Eighty-three percent of patients received reversal of neuromuscular blockade, and total morphine equivalent narcotic dose averaged 0.19 mg/kg. Sixty-nine patients (23.0%) had an APE, most commonly hypoventilation (10%) and airway obstruction (8%). Other APEs included reintubation (4.7%) and laryngobronchospasm (3.3%). APE was associated with multiple intubation attempts (odds ratio [OR] = 6.6, P = .001), structural or functional airway anomaly (OR = 4.5, P < .001), operation >160 minutes (OR = 2.2, P = .04), narcotic dose >0.3 mg/kg (OR = 2.3, P = .03), inexperienced provider (OR = 2.1, P = .02), and no paralytic reversal administration (OR = 2.0, P = .049); weight between 9 and 13 kg was protective (OR = 0.5, P = .04). Patients were risk-stratified according to individual profiles as low, average, high, or extreme risk (APE 2.5%-91.7%) with excellent risk discrimination (C-statistic = 0.79). Conclusions: APE incidence was 23.0% after palatoplasty, with a 37-fold higher incidence in extreme-risk patients. Individualized risk assessment tools may enhance perioperative clinical decision making to mitigate complications.
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A limited evaluation of the association of race and anesthetic medication administration: A single-center experience with appendectomies. Paediatr Anaesth 2017; 27:1142-1147. [PMID: 28795523 DOI: 10.1111/pan.13217] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/09/2017] [Indexed: 11/30/2022]
Abstract
BACKGROUND Although it is known that a patient's race may influence their medical care, racial patterns of medication administration in pediatric anesthesia have not been well-studied. The aim of this study was to determine if differences exist between Black and White children with regard to administration of anesthetic and analgesic medications for a single procedure at our institution. METHODS We conducted a retrospective review of medications administered to patients for emergency appendectomies at a large academic children's hospital from 2010 to 2015. We examined the association between patient race and administration of preoperative midazolam and intraoperative ondansetron, lidocaine, ketorolac, and weight-based doses of fentanyl and morphine. RESULTS During the study period, 1680 patients (1329 White, 351 Black) underwent emergency appendectomy. There were no significant racial differences in administration of intraoperative anesthetic medications between Black and White children. In unadjusted analysis, Black children were less likely to receive preoperative midazolam than White children (OR=0.74 [95% CI, 0.58-0.94], P=.012). After adjusting for confounders, there was no evidence of racial differences in administration of preoperative or intraoperative medications. CONCLUSION We did not find a significant difference in preoperative or intraoperative medication administration based on race when we adjusted for age, gender, and attending anesthesiologist practice patterns. We encourage all institutions to monitor their own practice patterns with regard to race.
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Oxygen supplementation during prolonged tracheal intubation should be the standard of care. Br J Anaesth 2016; 117:417-418. [PMID: 28077525 DOI: 10.1093/bja/aew303] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Anesthetic management of the first pediatric bilateral hand transplant. Can J Anaesth 2016; 63:731-6. [PMID: 26951450 DOI: 10.1007/s12630-016-0625-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Revised: 02/03/2016] [Accepted: 02/25/2016] [Indexed: 12/16/2022] Open
Abstract
PURPOSE The purpose of this case report is to describe the anesthetic and case management of the first vascularized composite allograft pediatric bilateral hand transplant. CLINICAL DETAILS Our patient was an eight-year-old male with a medical history of Staphylococcus aureus sepsis at one year of age that resulted in end-stage renal disease as well as bilateral upper and lower extremity amputations. After referral for bilateral hand transplantation, the transplantation team, with expertise in all aspects of perioperative care (surgery, anesthesiology, nephrology, renal transplantation, pediatric intensive care, and therapeutic pharmacy), was consulted to help develop anesthetic and other perioperative protocols for surgery. Prior to activation of the transplantation team, the lead surgeon evaluated potential donors by comparing a three-dimensional printed model of the recipient's forearm with the donor's upper extremities to ensure an adequate match. The anesthesia team inserted bilateral ultrasound-guided infraclavicular catheters to provide a sympathetic block to facilitate blood flow to the upper extremities and to provide both intraoperative and postoperative pain control. The patient remained in the operating room for 13 hr 37 min for a surgical time of ten hours 39 min. He remained in the hospital for 34 days after the procedure and was then transferred to an inpatient rehabilitation facility for a further 15 days. The patient is currently doing well in a postoperative rehabilitation program. He has demonstrated motor power to the hands using the forearm muscles but is not expected to reach his maximum sensory function for at least one to two years. CONCLUSION This report describes the anesthetic management of the first pediatric bilateral hand transplant. This procedure required considerable preoperative planning and communication between various teams to ensure all resources needed to deliver the care for this complex and novel transplant surgery were readily available.
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A randomized multi-institutional crossover comparison of the GlideScope® Cobalt Video laryngoscope to the flexible fiberoptic bronchoscope in a Pierre Robin manikin. Paediatr Anaesth 2015; 25:801-806. [PMID: 25917552 DOI: 10.1111/pan.12668] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/16/2015] [Indexed: 12/24/2022]
Abstract
BACKGROUND The GlideScope Cobalt Video laryngoscope is being used more often in children with challenging laryngoscopy. There are, however, no pediatric trials comparing it to flexible fiberoptic bronchoscopy, the current accepted gold standard. This preliminary manikin study compares the first-attempt intubation success of the GlideScope Cobalt video laryngoscope to the flexible fiberoptic bronchoscope when performed by attending pediatric anesthesiologists at two major pediatric centers. METHODS This prospective randomized, crossover study evaluated 120 attempts (60 with each study device) to intubate the AirSim Pierre Robin manikin (PRM) with fiberoptic bronchoscopy and video laryngoscopy (VL). Attending pediatric anesthesiologists from two quaternary pediatric centers were eligible to participate. Each attending anesthesiologist randomly performed a single tracheal intubation attempt with one of the study devices followed by the alternate method. The primary outcome was the first-attempt success rate of tracheal intubation. Blinding was not feasible. We hypothesized that first-attempt success would be higher with fiberoptic bronchoscopy. RESULTS Thirty anesthesiologists from each center were randomized to use one of the study devices followed by the alternate method. We analyzed all participants' data. There was no overall difference in first-attempt success between VL and fiberoptic bronchoscopy (88.3% vs 85% respectively, P = 0.59). There were significant institutional differences in first-attempt success using VL (76.7% vs 100%). CONCLUSIONS There was no difference in first-attempt success of tracheal intubation using VL vs fiberoptic bronchoscopy when performed by attending anesthesiologists at two large pediatric centers. However, institutional differences exist in success rates with VL across the two centers. Results from single-center device evaluations should be verified by multi-center evaluations. A significant proportion of attending anesthesiologists lack experience with advanced airway devices; targeted education may enhance intubation success and patient safety.
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Population pharmacokinetics of ϵ-aminocaproic acid in adolescents undergoing posterior spinal fusion surgery. Br J Anaesth 2015; 114:689-99. [PMID: 25586726 DOI: 10.1093/bja/aeu459] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Despite demonstrated efficacy of ϵ-aminocaproic acid (EACA) in reducing blood loss in adolescents undergoing spinal fusion, there are no population-specific pharmacokinetic data to guide dosing. The aim of this study was to determine the pharmacokinetics of EACA in adolescents undergoing spinal fusion surgery and make dosing recommendations. METHODS Twenty children ages 12-17 years were enrolled, with 10 children in each of two groups based on diagnosis (idiopathic scoliosis or non-idiopathic scoliosis). Previously reported data from infants undergoing craniofacial surgery were included in the model to enable dosing recommendations over a wide range of weights, ages, and diagnoses. A population non-linear mixed effects modelling approach was used to characterize EACA pharmacokinetics. RESULTS Population pharmacokinetic parameters were estimated using a two-compartment disposition model with allometrically scaled weight and an age effect on clearance. Pharmacokinetic parameters for the typical patient were a plasma clearance of 153 ml min(-1) 70 kg(-1) (6.32 ml min(-1) kg(-0.75)), intercompartmental clearance of 200 ml min(-1) 70 kg(-1) (8.26 ml min(-1) kg(-0.75)), central volume of distribution of 8.78 litre 70 kg(-1) (0.13 litre kg(-1)), and peripheral volume of distribution of 15.8 litre 70 kg(-1) (0.23 litre kg(-1)). Scoliosis aetiology did not have a clinically significant effect on drug pharmacokinetics. CONCLUSIONS The following dosing schemes are recommended according to patient weight: weight <25 kg, 100 mg kg(-1) loading dose and 40 mg kg(-1) h(-1) infusion; weight ≤25 kg-<50 kg, 100 mg kg(-1) loading dose and 35 mg kg(-1) h(-1) infusion; and weight ≥50 kg, 100 mg kg(-1) loading dose and 30 mg kg(-1) h(-1) infusion. An efficacy trial employing this dosing strategy is warranted. CLINICAL TRIAL REGISTRATION NCT01408823.
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Videolaryngoscopes in pediatric anesthesia: what's new? Minerva Anestesiol 2014; 80:76-82. [PMID: 24002465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Anesthesiologists are increasingly turning to videolaryngoscopes (VLs) for normal and difficult endotracheal intubations. As children grow the airway is in constant transition. This means that a device that works well in an older child may fail in an infant. Are VLs ideal in all children? What are the pitfalls and strengths of these devices? When are they indicated? How should their efficacy be assessed? Can they play a role in teaching standard laryngoscopy? This article explores these questions and reviews the literature relating to VLs use in children.
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Abstract
Anesthetic management of infants undergoing craniofacial surgery can be challenging. Primary concerns for the anesthesiologist include blood loss and its management. The evolution of procedures to treat craniosynostosis has resulted in improvements in perioperative morbidity, including decreased blood loss and transfusion, shorter operations, and shorter hospital stays. An understanding of the procedures performed to treat craniosynostosis is necessary to provide optimal anesthetic management. Descriptions of current surgical techniques and approaches to anesthetic care are presented in this review.
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The GlideScope and the Bonfils is it the device, the operator, or both? Paediatr Anaesth 2013; 23:673-4. [PMID: 23738596 DOI: 10.1111/pan.12191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Population pharmacokinetics of epsilon-aminocaproic acid in infants undergoing craniofacial reconstruction surgery. Br J Anaesth 2013; 110:788-99. [PMID: 23353035 DOI: 10.1093/bja/aes507] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Understanding the clinical pharmacology of the antifibrinolytic epsilon-aminocaproic acid (EACA) is necessary for rational drug administration in children. The aim of this study is to determine the pharmacokinetics (PKs) of EACA in infants aged 6-24 months undergoing craniofacial reconstruction surgery. METHODS Cohorts of six infants were enrolled sequentially to one of the three escalating loading dose-continuous i.v. infusion (CIVI) regimens: 25 mg kg(-1), 10 mg kg(-1) h(-1); 50 mg kg(-1), 20 mg kg(-1) h(-1); 100 mg kg(-1), 40 mg kg(-1) h(-1). Plasma EACA concentrations were determined using a validated high-performance liquid chromatography-tandem mass spectrometry assay. A population non-linear mixed effects modelling approach was used to characterize EACA PKs. RESULTS Population PK parameters of EACA were estimated using a two-compartment disposition model with weight expressed as an allometric covariate and an age effect. The typical patient in this study had an age of 38.71 weeks and a weight of 8.82 kg. PK parameters for this typical patient were: pre-/postoperative plasma drug clearance of 32 ml min(-1) (3.6 ml kg(-1) min(-1)), inter-compartmental clearance of 42.4 ml min(-1) (4.8 ml min(-1) kg(-1)), central volume of distribution of 1.27 litre (0.14 litre kg(-1)), and peripheral volume of distribution of 2.53 litre (0.29 litre kg(-1)). Intra-operative clearance and central volume of distribution were 89% and 80% of the pre-/postoperative value, respectively. CONCLUSIONS EACA clearance increased with weight and age. The dependence of clearance on body weight supports weight-based dosing. Based on this study, a loading dose of 100 mg kg(-1) followed by a CIVI of 40 mg kg(-1) h(-1) is appropriate to maintain target plasma EACA concentrations in children aged 6-24 months undergoing these procedures.
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Effect of transfusion guidelines on postoperative transfusion in children undergoing craniofacial reconstruction surgery. Pediatr Crit Care Med 2012; 13:e357-62. [PMID: 22895004 DOI: 10.1097/pcc.0b013e31825b561b] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
OBJECTIVE To assess the effect of implementation of population-specific postoperative management guidelines on postoperative transfusion in children undergoing cranial vault reconstruction surgery. DESIGN Retrospective observational study with historical controls. SETTING Single, large, academic tertiary pediatric hospital. PATIENTS : Children aged 6 months to 17 yrs undergoing fronto-orbital advancement or posterior cranial vault reconstruction surgery enrolled in our craniofacial surgery perioperative registry from April 14, 2008 to September 7, 2011. INTERVENTION Postoperative management guidelines for children undergoing cranial vault reconstruction surgery were implemented on December 1, 2009. These management guidelines included projected surgical drain output as well as specific transfusion thresholds for packed red blood cells and hemostatic blood products. MEASUREMENTS AND MAIN RESULTS We queried our craniofacial surgery perioperative registry for children who underwent cranial vault reconstruction to assess transfusion practices before and after the implementation of the postoperative guidelines. Subjects were divided into a preguideline cohort and a postguideline cohort. Perioperative demographic data and postoperative transfusion data were compared between the two groups. The registry query returned data on 59 procedures in the preguideline cohort and 58 procedures in the postguideline cohort. The immediate postoperative hematocrit and the postoperative blood loss through surgical drains were not statistically different in the two groups. The prevalence of postoperative transfusion of any blood product was significantly less in the postguideline cohort (17% vs. 42%, p = .003). Most of the transfusion reduction was achieved through a reduction in fresh frozen plasma transfusion (5% vs. 25%, p = .002). CONCLUSIONS In this observational study, the implementation of postoperative management guidelines was associated with a 60% reduction in postoperative transfusion. The use of transfusion thresholds is a simple, inexpensive, and effective strategy for transfusion reduction and should be a first-line approach to perioperative transfusion reduction in this population.
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Force and pressure distribution using Macintosh and GlideScope laryngoscopes. Br J Anaesth 2012; 108:698; author reply 698. [PMID: 22419625 DOI: 10.1093/bja/aes079] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Absence of tachycardia during hypotension in children undergoing craniofacial reconstruction surgery. Anesth Analg 2012; 115:139-46. [PMID: 22504212 DOI: 10.1213/ane.0b013e318253708c] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Tachycardia is a baroreceptor-mediated response to hypotension. Heart rate (HR) behavior in the setting of hypotension in anesthetized children is not well characterized. We conducted this study to assess the relationship between HR and hypotension in a population of anesthetized children experiencing massive blood loss. Our primary hypothesis was that HR would be increased with the onset of hypotension associated with hypovolemia in comparison with time points without hypotension. METHODS We performed a query of our prospective craniofacial perioperative registry for children younger than 24 months who underwent cranial vault reconstruction surgery. Demographic and perioperative data were extracted, and the intraoperative blood loss was calculated. Vital signs were extracted from our computerized anesthesia record and analyzed. Hypotension was defined as a mean arterial blood pressure <40 mm Hg for at least 3 computerized anesthesia record entries (captured every 15 seconds). The preoperative HR, the average HR over the entire intraoperative period, the HR at the onset of hypotension, and the HR 5 minutes before and 5 minutes after the hypotensive episode were compared. RESULTS The registry query yielded data from 57 procedures. There were 29 episodes of hypotension occurring in 10 subjects. There was no significant difference in HR at the onset of hypotension (when mean arterial blood pressure decreased below 40 mm Hg) in comparison with the preoperative HR, the average intraoperative HR, or in comparison with 5 minutes before and 5 minutes after the episode of hypotension. CONCLUSIONS In this study of anesthetized children younger than 24 months undergoing surgery with massive blood loss, hypotension was not associated with an increased HR. HR does not appear to be a useful indicator of hypovolemia in this population.
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Factors influencing blood loss and allogeneic blood transfusion practice in craniosynostosis surgery. Paediatr Anaesth 2012; 22:298-9. [PMID: 22272672 DOI: 10.1111/j.1460-9592.2011.03775.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
OBJECTIVE/AIMS To assess current practices in the management of children undergoing craniofacial surgery and identify areas of significant practice variability with the intent to direct future research. BACKGROUND The perioperative management of infants and children undergoing craniofacial reconstruction surgery can be challenging because of the routine occurrence of significant blood loss with associated morbidity. A variety of techniques have been described to improve the care for these children. It is presently unknown to what extent these practices are currently employed. METHODS A web-based survey was sent to representatives from 102 institutions. One individual per institution was surveyed to prevent larger institutions from being over-represented in the results. RESULTS Requests to complete the survey were sent to 102 institutions; 48 surveys were completed. The survey was composed of two parts: management of infants undergoing strip craniectomies, and management of children undergoing major craniofacial reconstruction. CONCLUSIONS Significant variability exists in the management of children undergoing these procedures; further study is required to determine the optimal management strategies. Clinical trials assessing the utility of central venous pressure and other hemodynamic monitoring modalities would enable evidence-based decision-making for monitoring in these children. The development of institutional transfusion thresholds should be encouraged, as there exists a body of evidence supporting their efficacy and safety.
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Reconstituted blood reduces blood donor exposures in children undergoing craniofacial reconstruction surgery. Paediatr Anaesth 2011; 21:54-61. [PMID: 21155927 DOI: 10.1111/j.1460-9592.2010.03476.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE/AIMS To assess the effect of prophylactic administration of fresh-frozen plasma (FFP) in the form of reconstituted blood in children undergoing craniofacial reconstruction. The outcomes of interest included immediate postoperative coagulation laboratory test results, postoperative surgical drain output, and the number of unique blood donor exposures incurred. BACKGROUND We recently changed our intraoperative transfusion strategy in children undergoing craniofacial reconstruction surgery to one in which blood loss is replaced with donor-matched reconstituted blood rather than traditional blood component therapy. METHODS We performed a query of our prospective craniofacial surgery perioperative registry for children who underwent fronto-orbital advancement or posterior cranial vault reconstruction. Registry data from this query were compared to data from a historical cohort. RESULTS Data for 46 registry cases were compared to 150 historical cohort cases. The median number of unique donor exposures for the reconstituted blood group was 2 vs 3 in the historical cohort (P=0.004). The reconstituted blood group had a decreased incidence of postoperative derangements in soluble clotting factor tests (fibrinogen, PT, or aPTT; 2% vs 24%, P=0.001), while there was no evidence for a difference in the incidence of thrombocytopenia. There was no evidence for differences in postoperative surgical drain output in the reconstituted blood group and historical cohort over the first 12, 24, and 48 h. CONCLUSIONS Prophylactic administration of FFP in the form of donor-matched reconstituted blood in children undergoing craniofacial reconstruction was associated with improved postoperative coagulation parameters, reduced blood donor exposures, and unchanged postoperative surgical drain output.
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