84, 95% CI: 1.05-3.18), and monocortical purchase (OR: 7.11, 95% CI: 1.58-31.9) were statistically significant.
Conclusion. More loosening of sacral screws was radiographically observed in the monocortical purchase group than in the tricortical group 1 year after the lumbosacral fixation surgery. A statistical analysis indicated that the tricortical approach should be used for patients undergoing multilevel fusion including lumbosacral junction by TLIF.”
“Objective. The objective of this study was to evaluate the sealing ability of AH Plus, Epiphany, Acroseal, Endofill, and Polifil after active lateral condensation technique, by using a bacterial test, during 64 days.
Study
design. One hundred bovine incisors were cleaned and shaped; then they were filled with the endodontic sealers and adapted
into a microcentrifuge tube. The setup root/microcentrifuge tube was added to glass flasks containing Brain Heart Infusion broth. CT99021 manufacturer MRT67307 NF-��B inhibitor A culture of Enterococcus faecalis was inserted into the upper chamber of each assembly. Daily leakage was evaluated through the broth turbidity.
Results. The results were submitted to statistical analysis (Kaplan-Meier method, Kruskal-Wallis and Dunn tests).
Conclusions. AH Plus and Endofill had the worst sealing ability when compared with Polifil, which showed the least leakage. Acroseal and Epiphany showed a tendency toward having an intermediate behavior; however, there was no LY2090314 research buy significant difference among Acroseal, Epiphany, and the other sealers. (Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2009; 108: e56-e60)”
“Methods: All the patients had state-of-the art steroid-eluting bipolar pacing leads and were RV-paced by an AVC algorithm from the three American manufacturers. Follow-up occurred twice in the first year after implantation, then yearly until approaching elective replacement indicator.
Results: Three hundred and twenty-one patients aged 73 +/- 12 years were observed for 49 +/- 26 months on average. At implantation, RVPT was 0.54 +/- 0.2 V at 0.4 ms at an average 774 +/- 217 impedance. Forty-one of the 321 patients (12.8%) had a permanent RVPT increase above 1.5 V at 0.4 ms: RVPT
was between 1.6 and 2.5 V in 29 of 321 (9%) patients, whereas it was between 2.6 and 3.5 V in seven of 321 (2.2%) patients, and > 3.5 V in five of 321 (1.5%) patients. No exit block occurred because of automatic RV output adjustment by AVC algorithms. No predictor of RVPT increase was found at multivariable analysis.
The maximum RVPT increase occurred within 12 months from implantation in 19 of 321 (5.9%) patients, between the first and the second year in 12 of 321 (3.7%), between the second and the sixth year in eight of 321 (2.5%), and after the sixth year in two of 321 (0.6%).
Conclusion: Despite technologic improvement in lead manufacturing, long-term increase of the RVPT occurs in about 13% of patients, possibly representing a serious safety issue in 3.7% when 2.5 V at 0.4 ms is exceeded.