5-5 kg.
Methods:
Forty ASA I and II children, weighing 2.5-5 kg, undergoing elective
infraumbilical surgeries (duration < 60 min) were randomized to two groups of 20 each to receive either PCV or VCV. Patients at risk of aspiration, difficult airway and upper respiratory tract infection, and poor lung compliance were excluded. Anesthesia technique included sevoflurane/O(2)/N(2)O without neuromuscular blockade. PAP in PCV and tidal volume in VCV modes were changed to achieve adequate ventilation (P(E)CO(2) of 5-5.4 kPa). PAP was maintained below 20 cm H(2)O. Chi-squared GW4869 mw test, Mann-Whitney U-test and Wilcoxon W-test were applied; P < 0.05 was considered significant.
Results:
Mean PAP (cm H(2)O) was 12.2 +/- 1.09 in PCV and 13.60 +/- 0.94 in VCV groups (P = 0.000). The confidence interval of mean difference of PAP varied from 0.79 to 2.10. Significant increases in abdominal circumference were observed in both groups: PCV: 0.94 +/- 1.04 cm and VCV: 2.2 +/- 1.3 cm; (P = 0.000).
The SpO(2) and hemodynamic variables did not differ between the groups. One patient in VCV group (with PAP = 14 cm H(2)O) could not be ventilated to the target P(E)CO(2), and the LMA had to be replaced with tracheal tube.
Conclusion:
In conclusion, PCV should be the preferred mode to provide positive pressure ventilatio (PPV), when using the size-1 cLMA in babies weighing 2.5-5 kg, in view of less gastric insufflation associated LEE011 mw with it for surgeries of brief duration. More studies are required to validate the clinical significance of these two modes of ventilation in longer procedures, in this subpopulation.”
“We investigated the
effects of ion beam (IB) irradiation and rubbing on the directional behavior and alignment mechanism of liquid crystals (LCs) on polyimide (PI) surfaces. We found that the LC direction follows the IB irradiation alignment direction on the PI surface regardless of whether the irradiation occurs before or after rubbing. We assumed that the LC direction depends strongly on the C-O bonds created from C=O bonds on the PI surface broken by IB irradiation and conducted an investigation of the chemical bonding state of the PI surface by x-ray photoelectron spectroscopy. (C) 2009 American JNK-IN-8 MAPK inhibitor Institute of Physics. [DOI: 10.1063/1.3033380]“
“Objective: The aim of this study was to analyze the prevalence, clinical significance and prognostic implications of alterations in thyroid function tests (TFTs) in patients with acute kidney injury (AKI).
Methods: A prospective study was carried out in patients hospitalized for AKI for 2 consecutive years. TFTs (serum thyrotropin [TSH], free thyroxine [FT4] and total triiodothyronine [T3] concentrations) were completed for each patient on 3 occasions: at admission, at hospital discharge and at their first outpatient visit. TFTs were related to clinical and analytical data. Thirty-five patients (16 women [45.