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Garcia-Alix A, Arnaez J, Arca G, Martinez-Biarge M. Hypoxic-ischaemic encephalopathy code: A systematic review for resource-limited settings. An Pediatr (Barc) 2024; 100:275-286. [PMID: 38614864 DOI: 10.1016/j.anpede.2024.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 02/28/2024] [Indexed: 04/15/2024] Open
Abstract
It is estimated that 96% of infants with hypoxic-ischaemic encephalopathy (HIE) are born in resource-limited settings with no capacity to provide the standard of care that has been established for nearly 15 years in high-resource countries, which includes therapeutic hypothermia (TH), continuous electroencephalographic monitoring and magnetic resonance imaging (MRI) in addition to close vital signs and haemodynamic monitoring. This situation does not seem to be changing; however, even with these limitations, currently available knowledge can help improve the care of HIE patients in resource-limited settings. The purpose of this systematic review was to provide, under the term "HIE Code", evidence-based recommendations for feasible care practices to optimise the care of infants with HIE and potentially help reduce the risks associated with comorbidity and improve neurodevelopmental outcomes. The content of the HIE code was grouped under 9 headings: (1) prevention of HIE, (2) resuscitation, (3) first 6h post birth, (4) identification and grading of encephalopathy, (5) seizure management, (6) other therapeutic interventions, (7) multiple organ dysfunction, (8) diagnostic tests and (9) family care.
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Affiliation(s)
- Alfredo Garcia-Alix
- Neurología Neonatal, NeNe Foundation, Madrid, Spain; Neonatología, Ibero-American Society of Neonatology (SIBEN), New Jersey, USA.
| | - Juan Arnaez
- Neurología Neonatal, NeNe Foundation, Madrid, Spain; Neonatología, Ibero-American Society of Neonatology (SIBEN), New Jersey, USA; Unidad Neonatal, Complejo Asistencial Universitario de Burgos, Burgos, Spain
| | - Gemma Arca
- Neurología Neonatal, NeNe Foundation, Madrid, Spain; Departamento de Neonatología, Hospital Clínic, IDIBAPS, Barcelona, Spain
| | - Miriam Martinez-Biarge
- Department of Paediatrics, Imperial College Healthcare NHS Trust, Londres, United Kingdom
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Vega-del-Val C, Arnaez J, Ochoa-Sangrador C, Garrido-Barbero M, García-Alix A. Incidence of encephalopathy and comorbidity in infants with perinatal asphyxia: a comparative prospective cohort study. Front Pediatr 2024; 12:1363576. [PMID: 38601274 PMCID: PMC11004398 DOI: 10.3389/fped.2024.1363576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Accepted: 03/06/2024] [Indexed: 04/12/2024] Open
Abstract
Background Programs that aim to improve the detection hypoxic-ischemic encephalopathy (HIE) should establish which neonates suffering from perinatal asphyxia need to be monitored within the first 6 h of life. Method An observational prospective cohort study of infants with gestational age ≥35 weeks, and above 1,800g, were included according to their arterial cord pH value (ApH): ≤7.00 vs. 7.01-7.10. Data was collected including obstetrical history, as well as neonatal comorbidities, including the presence of HIE, that happened within 6 h of life. A standardized neurological exam was performed at discharge. Results There were 9,537 births; 176 infants with ApH 7.01-7.10 and 117 infants with ApH ≤7.00. All 9 cases with moderate-to-severe HIE occurred among infants with ApH ≤7.00. The incidence of global and moderate-severe HIE was 3/1,000 and 1/1,000 births, respectively. Outcome at discharge (abnormal exam or death) showed an OR 12.03 (95% CI 1.53, 94.96) in infants with ApH ≤7.00 compared to ApH 7.01-7.10 cohort. Ventilation support was 5.1 times (95% CI 2.87, 9.03) more likely to be needed by those with cord ApH ≤7.00 compared to those with ApH 7.01-7.10, as well as hypoglycemia (37% vs. 25%; p = 0.026). In 55%, hypoglycemia occurred despite oral and/or intravenous glucose administration had been already initiated. Conclusions Cord pH 7.00 might be a safe pH cut-off point when developing protocols to monitor infants born with acidemia in order to identify infants with moderate or severe HIE early on. There is non-negligible comorbidity in the ApH ≤7.00 cohort, but also in the 7.01-7.10 cohort.
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Affiliation(s)
| | - Juan Arnaez
- Neonatology Unit, Hospital Universitario de Burgos, Burgos, Spain
- Neonatal Neurology, Nene Foundation, Madrid, Spain
- Neonatology, Ibero-American Society of Neonatology (SIBEN), Florham Park, NJ, United States
| | - Carlos Ochoa-Sangrador
- Department of Investigation Unit, Hospital Virgen de la Concha, Zamora, Spain
- Ciencias de la Salud, Escuela Universitaria de Enfermería, Zamora, Spain
| | | | - Alfredo García-Alix
- Neonatal Neurology, Nene Foundation, Madrid, Spain
- Neonatology, Ibero-American Society of Neonatology (SIBEN), Florham Park, NJ, United States
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Vega-Del-Val C, Arnaez J, Caserío S, Gutiérrez EP, Castañón L, Benito M, Garcia-Alix A. Adherence to hypothermia guidelines in newborns with hypoxic-ischemic encephalopathy. An Pediatr (Engl Ed) 2022; 97:30-39. [PMID: 35729059 DOI: 10.1016/j.anpede.2021.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 07/16/2021] [Indexed: 10/18/2022] Open
Abstract
INTRODUCTION We do not have population data in Spain on the application of therapeutic hypothermia (TH). The objective was to examine adherence to management standards during TH of infants with hypoxic-ischemic encephalopathy (HIE). METHOD Multicenter observational cohort study from the beginning of TH (year 2010) in 5 hospitals in a Spanish region, until year 2019. RESULTS 133 patients were recruited, 72% diagnosed with moderate HIE and the rest of them with severe HIE. In 84% of infants, passive hypothermia was started at birth. Active TH was started at a median age of 5 h of life (IQR 3.3; 6.3), although the central targeted temperature (33-34 °C) was reached at a median age of 3.5 h (IQR 1; 6). Those born extramural, initiated active TH 3.3 h on average later than those born intramural, but without differences in the age at which the targeted temperature was reached. Sedoanalgesia was used in 97%. 100% were monitored with amplitude-integrated EEG and 59% with cerebral oxymetry. MRI was performed in 94% with moderate HIE vs. 65% with severe; P < .001. Neuron-specific enolase in cerebrospinal fluid was determined in 42%. The average duration of rewarming was median 10 h (IQR 8; 12), with no differences depending on the degree of HIE (P = .57). CONCLUSIONS The implementation of TH successfully met the standards. However, aspects of care that could be improved were detected. Auditing newborn care with HIE is crucial to achieving programs with a high quality of care in each region.
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Affiliation(s)
| | - Juan Arnaez
- Departamento de Pediatría (Neonatología), Complejo Asistencial Universitario de Burgos, Burgos, Spain; Neurología Neonatal, Fundación NeNe, Madrid, Spain.
| | - Sonia Caserío
- Departamento de Pediatría (Neonatología), Hospital Universitario Río Hortega, Valladolid, Spain
| | - Elena Pilar Gutiérrez
- Departamento de Pediatría (Neonatología), Complejo Asistencial Universitario de Salamanca, Salamanca, Spain
| | - Leticia Castañón
- Departamento de Pediatría (Neonatología), Complejo Asistencial Universitario de León, León, Spain
| | - Marta Benito
- Departamento de Pediatría (Neonatología), Hospital Clínico Universitario de Valladolid, Valladolid, Spain
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Bustamante-hervás C, Valverde E, Vega-del-val C, Schuffelmann S, Arnaez J. Inter-observer reliability for amplitude-integrated electroencephalography in the newborn with perinatal asphyxia. An Pediatr (Barc) 2022. [DOI: 10.1016/j.anpede.2022.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 01/25/2021] [Indexed: 11/30/2022] Open
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Vega-Del-Val C, Arnaez J, Caserío S, Gutiérrez EP, Castañón L, Benito M, Garcia-Alix A. [Adherence to hypothermia guidelines in newborns with hypoxic-ischemic encephalopathy]. An Pediatr (Barc) 2021; 97:S1695-4033(21)00245-9. [PMID: 34535415 DOI: 10.1016/j.anpedi.2021.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/05/2021] [Accepted: 07/16/2021] [Indexed: 11/24/2022] Open
Abstract
INTRODUCTION We do not have population data in Spain on the application of therapeutic hypothermia (TH). The objective was to examine adherence to management standards during TH of infants with hypoxic-ischemic encephalopathy (HIE). METHOD Multicenter observational cohort study from the beginning of TH (year 2010) in 5 hospitals in a Spanish region, until year 2019. RESULTS 133 patients were recruited, 72% diagnosed with moderate HIE and the rest of them with severe HIE. In 84% of infants, passive hypothermia was started at birth. Active TH was started at a median age of 5hours of life (IQR: 3.3-6.3), although the central targeted temperature (33-34°C) was reached at a median age of 3.5hours (IQR: 1-6). Those born extramural, initiated active TH 3.3hours on average later than those born intramural, but without differences in the age at which the targeted temperature was reached. Sedoanalgesia was used in 97%. The 100% were monitored with amplitude-integrated EEG and 59% with cerebral oxymetry. MRI was performed in 94% with moderate HIE vs. 65% with severe; P<.001. Neuron-specific enolase in cerebrospinal fluid was determined in 42%. The average duration of rewarming was median 10hours (IQR: 8-12), with no differences depending on the degree of HIE (P=.57). CONCLUSIONS The implementation of TH successfully met the standards. However, aspects of care that could be improved were detected. Auditing newborn care with HIE is crucial to achieving programs with a high quality of care in each region.
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Affiliation(s)
- Cristina Vega-Del-Val
- Unidad de Neonatología, Complejo Asistencial Universitario de Burgos, Burgos, España
| | - Juan Arnaez
- Departamento de Pediatría (Neonatología), Complejo Asistencial Universitario de Burgos, Burgos, España; Neurología Neonatal, Fundación NeNe, Madrid, España.
| | - Sonia Caserío
- Departamento de Pediatría (Neonatología), Hospital Universitario Río Hortega, Valladolid, España
| | - Elena Pilar Gutiérrez
- Departamento de Pediatría (Neonatología), Complejo Asistencial Universitario de Salamanca, Salamanca, España
| | - Leticia Castañón
- Departamento de Pediatría (Neonatología), Complejo Asistencial Universitario de León, León, España
| | - Marta Benito
- Departamento de Pediatría (Neonatología), Hospital Clínico Universitario de Valladolid, Valladolid, España
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Bustamante-Hervás C, Valverde E, Vega-Del-Val C, Schuffelmann S, Arnaez J. [Inter-observer reliability for amplitude-integrated EEG in the newborn with perinatal asphyxia]. An Pediatr (Barc) 2021; 96:S1695-4033(21)00116-8. [PMID: 33663967 DOI: 10.1016/j.anpedi.2021.01.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/17/2021] [Accepted: 01/25/2021] [Indexed: 10/22/2022] Open
Abstract
INTRODUCTION Amplitude integrated electroencephalography (aEEG) is a widely tool used for neuromonitoring in the critical neonate. In the patient with perinatal asphyxia, its interpretation is key to identifying candidates for therapeutic hypothermia, detecting subclinical seizures and providing pronostic information. Our aim was to analyze the concordance in the interpretation of aEEG among neonatologists with different level of experience. MATERIAL AND METHODS Unicenter retrospective study of newborns ≥35 weeks with perinatal asphyxia included consecutively over a two-year period and monitored with aEEG for at least 6h. The bedside neonatologist interpreted aEEG regarding background pattern, sleep-wake cycling, and seizures. The aEEG tracings were blindly reviewed by two neonatologists with different experience. The aEEG tracings were divided into periods of 0-3h and 3-6h of life, and the concordance (Cohen Kappa coefficient, k), between the two examiners and that of their consensus with the bedside neonatologist, was analyzed. RESULTS Seventy-five newborns were included, 5 of them were not aEEG-monitored. 132 tracings were analyzed with a very good concordance between the two examiners in the three characteristics of the aEEG. The k for the bedside neonatologist was very good for background pattern (k=0.93), moderate (k=0.52) for sleep-wake cycling, and weak (k=0.32) for seizures. CONCLUSIONS This study supports that background pattern is easily interpreted compared to sleep-wake cycling or crisis, improving when targeted training on aEEG is received.
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Affiliation(s)
| | - Eva Valverde
- Servicio de Neonatología, Hospital Universitario Infantil La Paz, Madrid, España; Fundación NeNe, España
| | - Cristina Vega-Del-Val
- Unidad de Neonatología, Complejo Asistencial Universitario de Burgos, Burgos, España
| | - Susana Schuffelmann
- Unidad de Neonatología, Complejo Asistencial Universitario de Burgos, Burgos, España
| | - Juan Arnaez
- Unidad de Neonatología, Complejo Asistencial Universitario de Burgos, Burgos, España; Fundación NeNe, España.
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