46% referral rate of hyperbilirubinemi babies was much lower. The combined DPOAE/AABR screening technique revealed a referral rate of 5.03%, a false-positive rate of 2% and a false-negative rate of 0.06%. The false-positive rate was well below the suggested 3% of the American Academy of Pediatric. Comparisons of the referral rate, false-positive rate and false-negative rate of two hearing screening protocols (DPOAE alone and combined DPOAE/AABR) revealed significant differences (t-test, p < 0.05, p < 0.01, p < 0.01). 91 infants (3.03% of the NICU babies) who failed the combined DPOAE/AABR
screening were confirmed on hearing impairment. Of 22 babies who passed DPOAE screening but failed the AABR screening had a severe to profound hearing loss based on classic ABR. These patients click here (24% of the NICU babies with hearing losses) with hyperbilirubinemia and asphyxia problems
at newborn stage were diagnosed as auditory neuropathy based on evaluations of DPOAE screening passed, abnormal ABR and absent middle-ear muscle reflexes (MMR).
Conclusion: Our study demonstrates the use of a combination of DPOAE and AABR testing ensures high sensitivity and acceptable specificity, and predict the AN profile in AZD2014 molecular weight NICU babies. Our efforts identified 22 NICU babies with auditory neuropathy who hopefully will benefit from early remediation of their hearing deficit. (C) 2011 Elsevier Ireland Ltd. All rights reserved.”
“Ionic liquids (us) are regarded as non-molecular solvents, as they are composed entirely of cations and anions. ILs possess several excellent unique properties (e.g., low volatility, high thermal stability,
specific electrochemical characteristics, easy design, tunable viscosity, and miscibility with water or organic solvents). These properties make ILs attractive candidates for various analytical applications, the number of publications on which has increased exponentially in the past decade.
This article presents an overview of representative applications of ILs in advances in analytical chemistry that benefited from the unique properties of ILs, including the development selleck screening library achieved by using ILs as extraction solvents, dissolution solvents and separation media. (c) 2012 Elsevier Ltd. All rights reserved.”
“The aim of the study was to find the safe zone of posterior semicircular canal resection that can avoid structure damage in suboccipital retrosigmoid sinus approach for acoustic neuroma. One hundred twenty subjects (72 male and 48 female subjects) were involved in this study anonymously. Five parameters are measured in computed tomography: L-1 is the line that goes through the common bony crus and parallel to the plane that contains posterior semicircular canal at axial plane. L-2 is the middle sagittal line at axial plane. A is the point of posterior wall of the internal auditory canal at the level of the common bony crus. B is the intersection point of L-1 and posterior wall of auditory canal.