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      Newborn resuscitation: defining best practice for low-income settings

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          Summary

          Current resuscitation practices are often poor in low-income settings. The purpose of this review was to summarise recent evidence, relevant to developing countries, on best practice in the provision of newborn resuscitation. Potential studies for inclusion were identified using structured searches of MEDLINE via PubMed. Two reviewers independently evaluated retrieved studies for inclusion. The methodological quality of the selected articles was assessed using the Oxford Centre for Evidence-Based Medicine (CEBM) levels of evidence, whilst the Scottish Intercollegiate Guidelines Network (SIGN) grading system was used for subsequent recommendations. Based on available evidence, where there is meconium-stained liquor, routine perineal suction of all babies and endotracheal suction of active babies do not prevent meconium aspiration syndrome and have potential risks. Adequate ventilation is possible with a bag-valve-mask device and room air is just as efficient as oxygen for initial resuscitation. This review supports the view that effective resuscitation is possible with basic equipment and minimal skills. Thus, where resources are limited, it should be possible to improve neonatal outcomes through promotion of the effective use of a bag-valve-mask alone, without access to more sophisticated and expensive technologies. Basic, effective resuscitation should therefore be available at all health facilities and potentially in the community.

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          Most cited references26

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          Delivery of paediatric care at the first-referral level in Kenya.

          We aimed to investigate provision of paediatric care in government district hospitals in Kenya. We surveyed 14 first-referral level hospitals from seven of Kenya's eight provinces and obtained data for workload, outcome of admission, infrastructure, and resources and the views of hospital staff and caretakers of admitted children. Paediatric admission rates varied almost ten-fold. Basic anti-infective drugs, clinical supplies, and laboratory tests were available in at least 12 hospitals, although these might be charged for on discharge. In at least 11 hospitals, antistaphylococcal drugs, appropriate treatment for malnutrition, newborn feeds, and measurement of bilirubin were rarely or never available. Staff highlighted infrastructure and human and consumable resources as problems. However, a strong sense of commitment, support for the work of the hospital, and a desire for improvement were expressed. Caretakers' views were generally positive, although dissatisfaction with the physical environment in which care took place was common. The capacity of the district hospital in Kenya needs strengthening by comprehensive policies that address real needs if current or new interventions and services at this level of care are to enhance child survival.
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            Resuscitation with room air instead of 100% oxygen prevents oxidative stress in moderately asphyxiated term neonates.

            Traditionally, asphyxiated newborn infants have been ventilated using 100% oxygen. However, a recent multinational trial has shown that the use of room air was just as efficient as pure oxygen in securing the survival of severely asphyxiated newborn infants. Oxidative stress markers in moderately asphyxiated term newborn infants resuscitated with either 100% oxygen or room air have been studied for the first time in this work. Eligible term neonates with perinatal asphyxia were randomly resuscitated with either room air or 100% oxygen. The clinical parameters recorded were those of the Apgar score at 1, 5, and 10 minutes, the time of onset of the first cry, and the time of onset of the sustained pattern of respiration. In addition, reduced and oxidized glutathione concentrations and antioxidant enzyme activities (superoxide dismutase, catalase, and glutathione peroxidase) were determined in blood from the umbilical artery during delivery and in peripheral blood at 72 hours and at 4 weeks' postnatal age. Our results show that the room-air resuscitated (RAR) group needed significantly less time to first cry than the group resuscitated with 100% oxygen (1.2 +/- 0.6 minutes vs 1.7 +/- 0.5). Moreover, the RAR group needed less time undergoing ventilation to achieve a sustained respiratory pattern than the group resuscitated with pure oxygen (4.6 +/- 0.7 vs 7.5 +/- 1.8 minutes). The reduced-to-oxidized-glutathione ratio, which is an accurate index of oxidative stress, of the RAR group (53 +/- 9) at 28 days of postnatal life showed no differences with the control nonasphyxiated group (50 +/- 12). However, the reduced-to-oxidized-glutathione ratio of the 100% oxygen-resuscitated group (OxR) (15 +/- 5) was significantly lower and revealed protracted oxidative stress. Furthermore, the activities of superoxide dismutase and catalase in erythrocytes were 69% and 78% higher, respectively, in the OxR group than in the control group at 28 days of postnatal life. Thus, this shows that these antioxidant enzymes, although higher than in controls, could not cope with the ongoing generation of free radicals in the OxR group. However, there were no differences in antioxidant enzyme activities between the RAR group and the control group at this stage. There are no apparent clinical disadvantages in using room air for ventilation of asphyxiated neonates rather than 100% oxygen. Furthermore, RAR infants recover more quickly as assessed by Apgar scores, time to the first cry, and the sustained pattern of respiration. In addition, neonates resuscitated with 100% oxygen exhibit biochemical findings reflecting prolonged oxidative stress present even after 4 weeks of postnatal life, which do not appear in the RAR group. Thus, the current accepted recommendations for using 100% oxygen in the resuscitation of asphyxiated newborn infants should be further discussed and investigated.
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              Oxidative stress in asphyxiated term infants resuscitated with 100% oxygen.

              To test the hypothesis that resuscitation of asphyxiated infants with pure oxygen causes hyperoxemia and oxidative stress.Study design Asphyxiated term newborn infants (n = 106) were randomly resuscitated with room air (RAR = 51) or 100% oxygen (OxR = 55). The Apgar score, time of the first cry, and establishment of a sustained pattern of respiration were recorded. Assays performed included: blood gases; reduced glutathione (GSH) and oxidized glutathione (GSSG) in whole blood; glutathione-related enzyme activities; and superoxide dismutase activity (SOD) in erythrocytes. The RAR group needed less time of ventilation for resuscitation (5.3 +/- 1.5 vs 6.8 +/- 1.2 min; P <.05). Pure oxygen caused hyperoxemia (PO(2), 126.3 +/- 21.8 mm Hg) that did not occur with the use of room air (PO(2), 72.2 +/- 6.8 mm Hg). GSH was decreased and GSSG, the glutathione cycle enzymes, and SOD activities were increased in both asphyxiated groups. However, the 100% oxygen-resuscitated group showed significantly greater alterations that correlated positively with hyperoxemia. Asphyxia causes oxidative stress in the perinatal period, and resuscitation with 100% oxygen causes hyperoxemia and increased oxidative stress. Because there are no advantages to resuscitation with 100% oxygen, room air may be preferred under certain circumstances for the resuscitation of asphyxiated neonates.
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                Author and article information

                Journal
                Trans R Soc Trop Med Hyg
                Trans. R. Soc. Trop. Med. Hyg
                Transactions of the Royal Society of Tropical Medicine and Hygiene
                Elsevier
                0035-9203
                1878-3503
                October 2006
                October 2006
                : 100
                : 10-4
                : 899-908
                Affiliations
                [a ]Kenya Medical Research Institute/Wellcome Trust Collaborative Programme, P.O. Box 43640, 00100 GPO, Nairobi, Kenya
                [b ]Department of Paediatrics, University of Oxford, Oxford, UK
                Author notes
                [* ]Corresponding author. Tel.: +254 20 271 0672; fax: +254 20 271 1673. nopiyo@ 123456wtnairobi.mimcom.net
                Article
                TRSTMH467
                10.1016/j.trstmh.2006.02.012
                2665701
                16757009
                59e622f2-44bc-49dd-a922-382ae9907a74
                © 2006 Elsevier Ltd.

                This document may be redistributed and reused, subject to certain conditions.

                History
                : 16 January 2006
                : 9 February 2006
                Categories
                Review

                Medicine
                meconium aspiration syndrome,low-income settings,meconium-stained amniotic fluid,resuscitation,best practice

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