New recommendations for thromboelastography reference ranges for pregnant women

. 2011 Oct ; 128 (4) : e14-7. [epub] 20110504

Jazyk angličtina Země Spojené státy americké Médium print-electronic

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/pmid21543108
Odkazy

PubMed 21543108
DOI 10.1016/j.thromres.2011.04.007
PII: S0049-3848(11)00159-9
Knihovny.cz E-zdroje

INTRODUCTION: The target of this study was to compare thromboelastography coagulation parameters in pregnant and non-pregnant women. If appropriate, we would propose recommendations for new reference ranges for pregnant women in their third trimester. MATERIALS AND METHODS: Prospective observational study, comparing, by using thromboelastography, the blood samples of 60 healthy women in third trimester of pregnancy (group GRAV) to the samples of the control group of 43 healthy non-pregnant fertile women (group NON-GRAV). Selective percentiles were used to determine new reference limits. RESULTS: Mean values and standard deviations (SD) in both groups were as follows (GRAV vs NON-GRAV): time r 4.7 min (SD 1.7) vs. 7.8 (SD 2.8); time k1.5 min (SD 0.5) vs. 2,7 (SD 0,9); alpha angle 69.6° (SD 5.5) vs. 54.4 (SD 11.5); maximum amplitude 71.3mm (SD 4.5) vs. 63.1 (SD 5.4); coagulation index 2.7 (SD 1.8) vs. -1.9 (SD 3.0); LY60 1.1% (SD 1.8) vs. 4.8 (SD 3.6). Due to statistically significant differences between both groups, we established, based on our results, these new thromboelastography reference limits for pregnant women: time r 2-8 min ("common" range 4-8 min), time k 1-3 min ("common" range 1-4 min), alpha angle 60-77° ("common" range 47-74°), maximum amplitude 64-76 mm ("common" range 55-73 mm), LY60 0-3% ("common" range 0-15%), coagulation index 0-5 ("common" range (-3) - (+3)). CONCLUSIONS: It may not be suitable to use the same reference ranges for pregnant women as for the general population. Therefore, we suggest new reference limits for thromboelastography in pregnant women.

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. 2015 Apr 15 ; 15 () : 50. [epub] 20150415

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