Abstract:
AIM:To determine delivered O2 concentration (dFiO2) during manual inflations using neonatal self-inflating resuscitation bags (SIBs) at oxygen (O2) flow rates <1 L/min. METHODS:This experimental study, determined dFiO2 during 216 sets of manual inflations at different O2 flow rate (L/min; 0.2, 0.4, 0.6, 0.8, 1.0 and 5.0), controlling peak inspiratory pressures (PIP; cm of H2O; 10-15, 15-20 and 20-25), inflation rates (per min; 30, 40 and 60), with and without O2 reservoir using two SIBs--the Laerdal infant resuscitator (240 mL) and Ambu Mark IV resuscitator (300 mL). A leak proof circuit connecting the SIB in series with pressure transducer, O2 analyzer and test lung was used. All possible combinations were tested four times each. The dFiO2 with each possible combination was compared using generalised estimating equation. RESULTS:The mean dFiO2 with SIB even without reservoirs varied with rates and PIP from 75 to 93% at O2 flow rate of 5 L/min. At 1 L/min flow itself, 65-85% O2 is delivered. The dFiO2 was reduced to approximately 40% with flow of 0.2 L/min, PIP 20-25 cmH2O and inflations 40-60 per min. CONCLUSION:During manual breaths using neonatal SIBs, the delivered O2 concentration of nearly 40% is attained at clinically used inflation pressures and rates by using lower flows. A graded increase in O2 delivery from 40 to 99% was obtained with flow varying from 0.2 to 5 L/min and addition of reservoir. However, even at such low flows, reduction in O2 concentration below 40% was unattained.
journal_name
J Paediatr Child Healthjournal_title
Journal of paediatrics and child healthauthors
Sasi A,Chandrakumar N,Deorari A,Paul VK,Shankar J,Sreenivas V,Agarwal Rdoi
10.1111/jpc.12269subject
Has Abstractpub_date
2013-08-01 00:00:00pages
671-7issue
8eissn
1034-4810issn
1440-1754journal_volume
49pub_type
杂志文章abstract:AIM:This research investigated the mental health of mothers of school-aged children with disabilities in Victoria, Australia. METHODS:A mixed method triangulation design model was used to investigate the mental health of mothers (n= 152) of school-aged children with developmental disabilities. Self-reported medical hi...
journal_title:Journal of paediatrics and child health
pub_type: 杂志文章
doi:10.1111/j.1440-1754.2011.02060.x
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abstract:AIM:To evaluate the effectiveness of lignocaine and a vibrating device with cold pack (Buzzy) for pain management of intramuscular (IM) benzathine penicillin injections in the rheumatic fever (RF) population of Counties Manukau District Health Board (CMDHB). METHODS:Four hundred and five RF patients receiving four wee...
journal_title:Journal of paediatrics and child health
pub_type: 杂志文章
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journal_title:Journal of paediatrics and child health
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doi:10.1111/jpc.12293
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abstract:AIM:This study aimed to investigate the prevalence of, and factors influencing, exclusive breastfeeding (EBF) at 6 months and continued breastfeeding (CBF) at 2 years. METHODS:Between January and February 2007, a cross-sectional study was conducted using a semi-structured questionnaire in 40 villages in the Vientiane ...
journal_title:Journal of paediatrics and child health
pub_type: 杂志文章
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journal_title:Journal of paediatrics and child health
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更新日期:1996-08-01 00:00:00
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journal_title:Journal of paediatrics and child health
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journal_title:Journal of paediatrics and child health
pub_type: 杂志文章,评审
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journal_title:Journal of paediatrics and child health
pub_type: 杂志文章
doi:10.1111/j.1440-1754.1992.tb02636.x
更新日期:1992-04-01 00:00:00
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pub_type: 杂志文章,评审
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journal_title:Journal of paediatrics and child health
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更新日期:2003-11-01 00:00:00
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journal_title:Journal of paediatrics and child health
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更新日期:2001-08-01 00:00:00
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journal_title:Journal of paediatrics and child health
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doi:10.1111/jpc.12260
更新日期:2013-09-01 00:00:00
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journal_title:Journal of paediatrics and child health
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journal_title:Journal of paediatrics and child health
pub_type: 杂志文章
doi:10.1111/j.1440-1754.1997.tb01587.x
更新日期:1997-06-01 00:00:00
abstract:OBJECTIVES:To ascertain the incidence of bacterial endocarditis in a level III neonatal nursery. To document the clinical features, assess survival, and evaluate the role of central venous catheters in neonates with bacterial endocarditis. METHODOLOGY:Index cases were identified by retrospective review of the echocard...
journal_title:Journal of paediatrics and child health
pub_type: 杂志文章
doi:10.1046/j.1440-1754.1999.00412.x
更新日期:1999-12-01 00:00:00
abstract:OBJECTIVES:To evaluate the usefulness of a microelectronic tablet-dispenser for monitoring adherence to preventive therapy for tuberculosis infection in adolescents. METHODOLOGY:Twenty-one patients with positive Mantoux tests were treated with isoniazid (INH), dispensed in a microelectronic tablet-dispenser that recor...
journal_title:Journal of paediatrics and child health
pub_type: 杂志文章
doi:
更新日期:1999-08-01 00:00:00
abstract:AIM:Pneumatosis intestinalis (PI) is uncommon in school-age children. We studied a cohort of neurologically impaired school-age children with PI to formulate an optimum management plan. METHODS:We retrospectively studied all school-age children who were referred to paediatric surgeons with radiological evidence of PI ...
journal_title:Journal of paediatrics and child health
pub_type: 杂志文章
doi:10.1111/jpc.13535
更新日期:2017-07-01 00:00:00