Methods: We carried out a prospective observational clinical stud

Methods: We carried out a prospective observational clinical study of FB removal using a rigid bronchoscope under propofol-remifentanil TIVA and spontaneous ventilation in 65 pediatric patients who presented with preoperative respiratory impairment. Heart rate, blood pressure, pulse oxygen saturation (SpO(2)), respiratory rate, endtidal CO2 (ETCO2), induction time, and remifentanil rate were recorded. Adverse events, the intervention for these events, and the duration of postoperative care were also of interest.

Results: Sixty children completed the study. The mean induction time was 12.3 min. During the procedure, the maximum remifentanil

rate was 0.14 mu Light breath holding occurred in 16 (26.7%) patients. No severe breath holding or body movements were observed. An SpO(2) below 90% occurred in 10 (16.7%) cases. No progressive desaturation was observed. The mean ETCO2 at the end of the procedures was 7.91 KPa and returned to normal 5 min after the procedure. In the postanesthesia

care unit (PACU), no hypoxemia was observed and the mean recovery time was 23.4 min. No laryngospasm, pneumothorax, or arrhythmias were observed.

Conclusion: Propofol-remifentanil TIVA and spontaneous ventilation are effective and safe techniques to manage anesthesia during airway FB removal in children with preoperative respiratory impairment.”
“An extended x-ray absorption fine structure (EXAFS) investigation has been carried out on arsenic-doped Hg70Cd30Te samples. The incorporation of atomic arsenic has been achieved using High Content Screening a nonconventional radio-frequency plasma source in a molecular beam epitaxy reactor. Two samples from the same epitaxial wafer have been studied.

One underwent a 400 degrees C activation annealing under Hg pressure, leading to n to p-type conversion. In the commonly admitted scenario, this conversion is associated with the annealing-induced migration of As from a Hg site to a Te site. This study shows that this is not the case. Before annealing, PRT062607 clinical trial As is found to be involved in noncrystalline structures: 50% inside an As2Te3 chalcogenide glass and 50% inside a new AsHg8 compact structure. After annealing, the As2Te3 chalcogenide glass disappears, 31% of As occupies Hg sites and 69% incorporates inside this new AsHg8 compact structure that occupies Te sites. The EXAFS results are in excellent agreement with 77 K Hall-effect measurements. The new AsHg8 structure is found to have an acceptor behavior. Overall, this study provides an entirely new vision of extrinsic p-type doping of HgCdTe as well as the first experimental evidence of As site transfer induced by annealing. (C) 2009 American Institute of Physics. [doi:10.1063/1.3255989]“
“Our aim was to evaluate the morphological characteristics of the female pelvic floor that may be further elucidated with three-dimensional endovaginal ultrasonography (3D-EVUS).

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