tPVR

AcronymDefinition
tPVRTranscatheter Pulmonary Valve Replacement (cardiology)
tPVRTotal Peripheral Vascular Resistance
tPVRTotal Pulmonary Vascular Resistance
tPVRTransportable Pressure Vessels Regulations (UK)
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References in periodicals archive ?
Both types of children had a notable decrease in BP accompanied by an increase in TPVR and a reduction in CO.
The plasma NPY levels in the positive-response period were positively correlated with the TPVR, which suggests that plasma NPY and peripheral vascular resistance increased in a parallel manner.
NPY might play a role in the pathogenesis of VVS by increasing the TPVR and decreasing CO during orthostatic regulation.
As expected, results from SHR showed increased TPVR, CVR, and RVR accompanied with significant elevation of blood pressure and HR, without changes of CI, CBF, or RBF compared to Wistar rats.
Caption: Figure 1: Haemodynamic parameters: (a) mean arterial pressure (MAP), (b) heart rate (HR), (c) cardiac index (CI), and (d) total peripheral vascular resistance (TPVR) in experimental groups.
A similar trend for TPVR could be inferred based on the similar relationships of chip and sawdust value recoveries to the LVR (Table 3).
Table 4 gives the final models of polynomial, RF, and VP forms, as determined by stepwise selection, where LVR and TPVR were regressed separately to investigate their quantitative relationships to the selected tree traits.
Various statistical criteria suggested that Model 3 was stable and accurate for predicting LVR and TPVR for both dimension and stud mills.
For the stud mill, only parameters for DBH and tree taper were significant for predicting LVR, while for predicting TPVR Model 9 became the same as Model 6.
For the stud mill, Model 12 became the same as Model 6 when predicting TPVR, while when predicting LVR this model fell into the same situation as Model 9 in the case of the stud mill, as discussed above.
The linear form of stem volume was able to explain as high as 98.5 and 99.2 percent of total variance in LVR and TPVR, respectively, for the dimension mill.
In fact, DBH and tree height together explained only 0.66 and 0.29 percent of the variations in the LVR and TPVR. Excluding DBH and tree height resulted in slightly lower [r.sup.2] values but considerably higher RMSEs.