Abstract：
OBJECTIVE:To evaluate the peak inspiratory pressure, tidal volume and respiratory rate achieved during manual ventilation of premature lambs, using a self-inflating bag. METHODS:In this descriptive, experimental study, five pairs of physicians, selected at random among 35 neonatologists working at a neonatal intensive care unit and with experience in the resuscitation of newborn infants, ventilated five intubated premature lambs using a self-inflating bag. Pressure and flow monitor signals were passed through a transducer and digitized for recording and analysis. Tidal volume and pressure curves were obtained from the integral of flow rate, at peak, during the last 50 seconds of every fifth minute, and analyzed. RESULTS:Median pressure was 39.8 (IQ(25-75%) 30.2-47.2) cmH(2)O; being below 20 in 1.1% of cases and above 40 in 49.1%. Seven out of 10 physicians produced more than six pressure peaks of over 40 cmH(2)O. Median tidal volume/kg was 17.8 (IQ(25-75%) 14.1-22.4) mL, being below 5 mL in 0.1% of cases and greater than or equal to 20 mL in 37.7%. All of the physicians propelled five or more ventilation cycles with tidal volume/kg of 20 mL or more. Respiratory rate was between 30 and 60 cycles/minute in 65.9% of cases, being below 30 in 6.8% of cases and over 60 in 27.3% of cases. CONCLUSIONS:There was major variation in peak inspiratory pressure and tidal volume/kg values, which were in many cases elevated, attaining levels that habitually cause biotrauma, while respiratory rates were adequate in the majority of cases.
journal_name
J Pediatr (Rio J)journal_title
Jornal de pediatriaauthors
Resende JG,Zaconeta CA,Ferreira AC,Silva CA,Rodrigues MP,Rebello CM,Tavares Pdoi
10.2223/JPED.1517subject
Has Abstractpub_date
2006-07-01 00:00:00pages
279-83issue
4eissn
0021-7557issn
1678-4782journal_volume
82pub_type
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journal_title：Jornal de pediatria
pub_type： 杂志文章
doi：
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abstract：OBJECTIVE:To emphasize the importance of precocious diagnosis of extrahepatic biliary atresia and its direct relationship with the surgical re-establishment of the biliary flow before the second month of life. To discuss several complementary methods with the aim of selecting the ones that present better evidence, and ...
journal_title：Jornal de pediatria
pub_type： 杂志文章,评审
doi：
更新日期：2003-03-01 00:00:00
abstract：:OBJECTIVE: To make a brief review about mechanical ventilation in Pediatrics.METHODS: Review of the classification of types of mechanical ventilation, characteristics of pression and flow waves and indications for its installation. In a sequential way we discuss the various modes of ventilation (control ventilation, a...
journal_title：Jornal de pediatria
pub_type： 杂志文章
doi：10.2223/jped.476
更新日期：1998-07-01 00:00:00
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journal_title：Jornal de pediatria
pub_type： 杂志文章
doi：10.2223/jped.2111
更新日期：2011-07-01 00:00:00
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journal_title：Jornal de pediatria
pub_type： 杂志文章,评审
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journal_title：Jornal de pediatria
pub_type： 杂志文章
doi：10.2223/jped.202
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journal_title：Jornal de pediatria
pub_type： 杂志文章
doi：10.1016/j.jped.2015.08.012
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journal_title：Jornal de pediatria
pub_type： 杂志文章
doi：10.1016/j.jped.2017.05.013
更新日期：2018-01-01 00:00:00
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journal_title：Jornal de pediatria
pub_type： 杂志文章
doi：10.2223/JPED.2126
更新日期：2011-09-01 00:00:00
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journal_title：Jornal de pediatria
pub_type： 杂志文章
doi：10.2223/jped.428
更新日期：1998-05-01 00:00:00
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journal_title：Jornal de pediatria
pub_type： 杂志文章
doi：10.1016/j.jped.2014.09.004
更新日期：2015-07-01 00:00:00
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journal_title：Jornal de pediatria
pub_type： 杂志文章
doi：10.2223/JPED.2097
更新日期：2011-07-01 00:00:00
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journal_title：Jornal de pediatria
pub_type： 杂志文章
doi：10.2223/jped.325
更新日期：1999-09-01 00:00:00
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journal_title：Jornal de pediatria
pub_type： 杂志文章,评审
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更新日期：2020-01-01 00:00:00
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journal_title：Jornal de pediatria
pub_type： 杂志文章
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更新日期：2018-01-01 00:00:00
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journal_title：Jornal de pediatria
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journal_title：Jornal de pediatria
pub_type： 杂志文章
doi：10.1016/j.jped.2017.03.005
更新日期：2017-01-01 00:00:00
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journal_title：Jornal de pediatria
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doi：10.1016/j.jped.2016.07.006
更新日期：2017-01-01 00:00:00
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pub_type： 杂志文章
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journal_title：Jornal de pediatria
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journal_title：Jornal de pediatria
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journal_title：Jornal de pediatria
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journal_title：Jornal de pediatria
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doi：10.2223/jped.236
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journal_title：Jornal de pediatria
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journal_title：Jornal de pediatria
pub_type： 杂志文章
doi：
更新日期：2004-11-01 00:00:00
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journal_title：Jornal de pediatria
pub_type： 杂志文章,评审
doi：10.1016/j.jped.2013.02.022
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journal_title：Jornal de pediatria
pub_type： 杂志文章
doi：10.1016/j.jped.2014.03.005
更新日期：2014-11-01 00:00:00
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journal_title：Jornal de pediatria
pub_type： 杂志文章,评审
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更新日期：2006-07-01 00:00:00
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journal_title：Jornal de pediatria
pub_type： 杂志文章
doi：10.2223/jped.6
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journal_title：Jornal de pediatria
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doi：10.1016/j.jped.2018.04.006
更新日期：2019-01-01 00:00:00
