It has been observed that (1) yeast. cell viability decreases as the laser fluence increases from 85 to around 1500 mJ/cm(2) and (2) some of the MAPLE DW process-induced cell damage is reversible. The post-transfer yeast cell recovery is a function of laser fluence; however, this dependence relationship is not monotonic. Future work is needed to better understand the physical and chemical mechanisms of the above GSK3235025 observations. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3202388]“
“Background: We have observed contour changes of the barium-filled
esophagus during atrial fibrillation (AF) ablation with cryo-energy delivered in direct proximity to the esophagus.
Objective: To evaluate the frequency, location, and severity of esophageal contour changes during cryo-energy application close to the esophagus.
Methods:
We retrospectively analyzed cine-fluoroscopic images acquired during hybrid cryo-radiofrequency AF ablation in 100 consecutive patients with cryo-energy delivered only in direct proximity to the esophagus.
Results: Esophageal contour changes were observed in 28 (32%) of 89 patients (and 74 [6.2%] of 1,191 of all cryo applications). They were more frequent in the left common pulmonary vein (PV) (50%) and less so in https://www.selleckchem.com/products/AC-220.html the right common PV and the upper PVs (4-5%). The distance of the ablation catheter from the endoesophageal contour prior to cryo-energy applications associated with contour changes was 1.8 +/- 1.5 mm, which increased to 4.1 +/- 1.6 mm at the time of peak contour change (P < 0.001). The esophageal contour deformation was 2.3 +/- 0.9 mm. There were no apparent complications related to cryo-energy application for 3-4 minutes, even if associated with contour changes.
Conclusion: Esophageal contour changes were observed in > 6% of cryo applications in direct proximity to
the esophagus (32% of patients) and were most frequent in the posterior aspect of the left common and right FK866 lower PV ostium when cryo-energy was delivered at a distance of <= 5 mm from the esophageal contrast silhouette. No overt esophageal injury occurred. However, the safety of cryo-energy application in direct proximity to the esophagus remains to be further confirmed.
(PACE 2009; 32:711-716).”
“Objective To determine the value of serial measurements of peritoneal fluid lactate concentration (PFL) for detecting strangulating intestinal lesions (SLs) in referred horses with signs of colic.
Design Retrospective cohort study.
Animals-94 horses with signs of colic.
Procedures-Medical records of horses evaluated between September 2006 and February 2010 because of signs of colic were reviewed. All included horses had 2 peritoneal fluid samples collected, including one at admission and another within 1 to 6 hours after admission.