Cardiac troponin and skeletal muscle oxygenation in severe post-partum haemorrhage View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2009-11-30

AUTHORS

Laurent Heyer, Alexandre Mebazaa, Etienne Gayat, Matthieu Resche-Rigon, Christophe Rabuel, Eva Rezlan, Anne-Claire Lukascewicz, Catharina Madadaki, Romain Pirracchio, Patrick Schurando, Olivier Morel, Yann Fargeaudou, Didier Payen

ABSTRACT

IntroductionCardiac troponin has been shown to be elevated in one-half of the parturients admitted for post-partum haemorrhage. The purpose of the study was to assess whether increased cardiac troponin was associated with a simultaneous alteration in haemoglobin tissue oxygen saturation in peripheral muscles in post-partum haemorrhage.MethodsTissue haemoglobin oxygen saturation of thenar eminence muscle (StO2) was measured via near-infrared spectroscopy technology. Two sets of StO2 parameters (both isolated baseline and during forearm ischaemia-reperfusion tests) were collected at two time points: upon intensive care unit admission and prior to intensive care unit discharge. Comparisons were performed using Wilcoxon paired tests, and univariate associations were assessed using logistic regression model and Wald tests.ResultsThe 42 studied parturients, admitted for post-partum haemorrhage, had clinical and biological signs of severe blood loss. Initial cardiac troponin I was increased in 24/42 parturients (0.43 ± 0.60 μrg/l). All measured parameters of muscular haemoglobin oxygen saturation, including Srecovery, were also altered at admission and improved together with improved haemodynamics, when bleeding was controlled. Multivariate analysis showed that muscular Srecovery <3%/second at admission was strongly associated with increased cardiac troponin.ConclusionsOur study confirmed the high incidence of increased cardiac troponin, and demonstrated the simultaneous impairment in the reserve of oxygen delivery to peripheral muscles in parturients admitted for severe post-partum haemorrhage. More... »

PAGES

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DOI

http://dx.doi.org/10.1186/cc8006

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https://app.dimensions.ai/details/publication/pub.1018407620

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/19951392


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30 admission
31 alterations
32 analysis
33 association
34 biological signs
35 blood loss
36 cardiac troponin
37 cardiac troponin I
38 care unit admission
39 comparison
40 delivery
41 discharge
42 haemodynamics
43 hemoglobin oxygen saturation
44 hemorrhage
45 high incidence
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47 improved haemodynamics
48 incidence
49 initial cardiac troponin I
50 intensive care unit admission
51 intensive care unit discharge
52 logistic regression models
53 loss
54 measured parameters
55 model
56 multivariate analysis
57 muscle
58 muscle oxygenation
59 one-half
60 oxygen delivery
61 oxygen saturation
62 oxygenation
63 parameters
64 parturients
65 peripheral muscles
66 point
67 post-partum haemorrhage
68 purpose
69 regression models
70 reserves
71 saturation
72 set
73 severe blood loss
74 severe post-partum hemorrhage
75 signs
76 simultaneous alterations
77 simultaneous impairment
78 skeletal muscle oxygenation
79 spectroscopy technology
80 study
81 technology
82 test
83 thenar eminence muscles
84 time points
85 tissue oxygen saturation
86 troponin
87 troponin I
88 unit admission
89 unit discharge
90 univariate associations
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