Abstract：
:Maximal oxygen consumption (VO2max) is the "gold standard" by which to assess functional capacity; however, it is effort dependent. VO2@RER1.0 is defined when VO2 = VCO2. Between December 22, 1997 and November 9, 2004, 305 pediatric subjects underwent cycle ergometer cardiopulmonary exercise testing, exercised to exhaustion, and reached a peak respiratory exchange ratio > or = 1.10. Group 1 subjects achieved a peak VO2 > or = 80% of predicted VO2max; group 2 subjects achieved a peak VO2 < or = 60% of predicted VO2max; and group 3 subjects achieved a peak VO2 between 61 and 79% of predicted VO2max. Linear regression analysis was performed for VO2@RER1.0 as a function of predicted VO2 for group 1 subjects. A -2 SD regression line and equation was created. VO2@RER1.0 data from groups 2 and 3 were plotted onto the normative graph. Contingency table and relative-risk analysis showed that an abnormal VO2@RER1.0 predicted an abnormal peak VO2(positive-predictive value 83%, negative-predictive value 85%, sensitivity 84%, and specificity 84%). VO2@RER1.0 is a highly sensitive, specific, and predictive submaximal index of functional capacity. This submaximal index is easy to identify without subjectivity. This index may aid in the evaluation of subjects who cannot exercise to maximal parameters.
journal_name
Pediatr Cardioljournal_title
Pediatric cardiologyauthors
Chin C,Kazmucha J,Kim N,Suryani R,Olson Idoi
10.1007/s00246-009-9544-9subject
Has Abstractpub_date
2010-01-01 00:00:00pages
50-5issue
1eissn
0172-0643issn
1432-1971journal_volume
31pub_type
杂志文章abstract：:This study aimed to evaluate the effects of washed cardiopulmonary (CPB) circuit residual blood reinfusion on the postoperative clinical outcome for pediatric patients undergoing cardiac surgery. A total of 309 consecutive Chinese cardiac patients receiving CPB between October 2010 and April 2011 were prospectively an...
journal_title：Pediatric cardiology
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journal_title：Pediatric cardiology
pub_type： 杂志文章
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pub_type： 杂志文章,meta分析,评审
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abstract：:Complications, such as recoarctation or secondary hypertension, probably related to the loss of arterial elasticity, frequently occur after aortic coarctation surgery. This study aimed to investigate arterial compliance as evaluated by automated recording of the QKd interval in patients who underwent repair of coarcta...
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journal_title：Pediatric cardiology
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pub_type： 杂志文章
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doi：10.1007/s00246-019-02080-9
更新日期：2019-04-01 00:00:00
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journal_title：Pediatric cardiology
pub_type： 杂志文章,评审
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更新日期：2013-02-01 00:00:00
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journal_title：Pediatric cardiology
pub_type： 杂志文章,评审
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更新日期：2010-04-01 00:00:00
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journal_title：Pediatric cardiology
pub_type： 杂志文章
doi：10.1007/BF02263455
更新日期：1987-01-01 00:00:00
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journal_title：Pediatric cardiology
pub_type： 杂志文章,评审
doi：10.1007/s002460010169
更新日期：2001-03-01 00:00:00
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doi：10.1007/s00246-013-0754-9
更新日期：2014-01-01 00:00:00
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pub_type： 杂志文章
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更新日期：2014-12-01 00:00:00
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pub_type： 临床试验,杂志文章,多中心研究
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