Nucleus fragmentation was by the phaco-chop and quick-chop method

Nucleus fragmentation was by the phaco-chop and quick-chop methods. Primary outcome measures were phaco time, mean find more phaco power, mean torsional amplitude, and aspiration time. Total energy,

defined as cumulative dissipated energy (CDE) x aspiration time, and the effective coefficient, defined as aspiration time/phaco time, were also calculated.

RESULTS: Four hundred eyes were evaluated. The CDE was statistically significantly lower in the torsional mode for nucleus grades I, II, and III (P<.001) but not for grade IV (P>.05). Aspiration time was statistically significantly shorter in the torsional mode than in the longitudinal mode for nucleus grades III and IV (P<.05). Total energy was significantly lower in the torsional mode for all nucleus densities (P<.05). The effective coefficient was significantly lower in the longitudinal mode except for nucleus grade I (P<.05).

CONCLUSIONS: Torsional phacoemulsification was more effective than longitudinal

phacoemulsification in the amount of applied fluid and the quantity of US energy expended. With the torsional method, it was possible to maintain a constant ratio of amount of fluid flow to quantity of US energy used, regardless of nucleus density.”
“Cupric iodide is a p-type semiconductor and has a large band gap. Doping of Mn, Co, and Ni are found to make gamma-CuI ferromagnetic ground state, while Cr-doped and Fe-doped CuI systems are stabilized in antiferromagnetic configurations. The origins of the magnetic ordering are demonstrated successfully by the phenomenological learn more band coupling model based on d-d level repulsions between the dopant ions. Furthermore, using a molecular-orbital bonding model, the electronic structures of the doped CuI are well understood. According to Heisenberg model, high-T(C) may be expected for CuI:Mn and CuI:Ni if there are no native defects or other impurities. selleck (C) 2010 American Institute of Physics. [doi:10.1063/1.3471802]“
“The increasing rate of failed

trails found in mood and anxiety disorders is now being seen in Alzheimer’s studies. Factors related to the administration of clinician rating scales, such as poor inter-rater reliability, poor interview quality and rater bias may be a contributing factor. Studies have found inter-rater reliability to be problematic in Alzheimer’s studies, even with less subjective outcome measures. Lack of standardization of administration and scoring procedures has been identified as a major contributing factor. Remediation through better training procedures has been found to be successful, although ongoing calibration is needed to prevent rater drift. Expectancy bias and baseline score inflation is more difficult to remediate. Inflation of baseline scores increases placebo response, since lower severity has been found to be associated with higher placebo response.

Comments are closed.