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Initial Factors Influencing Duration of Hospital Stay in Adult Patients With Peritonsillar Abscess
Yu-Hsi Liu,Hsing-Hao Su,Yi-Wen Tsai,Yu-Yi Hou,Kuo-Ping Chang,Chao-Chuan Chi,Ming-Yee Lin,Pi-Hsiung Wu 대한이비인후과학회 2017 Clinical and Experimental Otorhinolaryngology Vol.10 No.1
Objectives. To review cases of peritonsillar abscess and investigate the initial clinical factors that may influence the duration of hospitalization. To determine the predictive factors of prolonged hospital stay in adult patients with peritonsillar abscess. Methods. Subjects were adults hospitalized with peritonsillar abscess. We retrospectively reviewed 377 medical records from 1990 to 2013 in a tertiary medical center in southern Taiwan. The association between clinical characteristics and the length of hospital stay was analyzed with independent t-test, univariate linear regression and multiple linear regression analysis. Results. The mean duration of hospitalization was 6.2±6.0 days. With univariate linear regression, a prolonged hospital stay was associated with several variables, including female gender, older ages, nonsmoking status, diabetes mellitus, hypertension, band forms in white blood cell (WBC) counts, and lower hemoglobin levels. With multiple linear regression analysis, four independent predictors of hospital stay were noted: years of age (P<0.001), history of diabetes mellitus (P<0.001), ratio of band form WBC (P<0.001), and hemoglobin levels (P<0.001). Conclusion. In adult patients with peritonsillar abscess, older ages, history of diabetes mellitus, band forms in WBC counts and lower hemoglobin levels were independent predictors of longer hospitalization.
Yu-Shin Nai,Jae Su Kim,Chung-Hsiung Wang 한국응용곤충학회 2014 한국응용곤충학회 학술대회논문집 Vol.2014 No.04
Baculoviral anti-apoptotic genes, p35 and iap (inhibitor of apoptosis), play important roles in the initiation stage of viral infection. However, some iap genes are not involved in the anti-apoptotic activity. To investigate the anti-apoptotic activity of the iap genes of Lymantria xylina multiple nucleopolyhedrovirus (LyxyMNPV), two ly-iap genes (ly-iap2 and ly-iap3) were cloned from LyxyMNPV. From a 5′ RACE analysis, a late promoter motif (TAAG) was found in the upstream (-15 bp) of ly-iap2, but ly-iap3 only posited an enhancer-like element (CGTGC) in the upstream (-22 bp) of 5′ UTR. Gene expression were detected by RT-PCR; the ly-iap2 and ly-iap3 genes began to express in the host cells (IPLB-LD652Y cell line) infected with LyxyMNPV 6 hours post-infection (p.i.) and reached the peak 72 hours p.i., followed by decline 3 to 5 days p.i. Functional assay of the iap genes were performed by an over-expression method in Sf9 cells. Full-length domains of LY-IAP2, LY-IAP3 and LY-IAP2-BIR could differently inhibit the apoptosis which induced by Drosophila RPR protein (DRPR). Interestingly, LY-IAP2-RZF domain was important for LY-IAP2 to rescue apoptosis, but it might be also involved in the ubiquitin activity leading to the degradation of LY-IAP2 protein. LY-IAP3-RZF might be working as a “helper domain” to inhibit DRPR-induced apoptosis. These results can be used to figure out the roles of the ly-iap genes in the apoptosis of host cells.
Chin-Hsiung Loh,Yu-Ting Huang,Wan-Ying Hsiung,Yuan-Sen Yang,Kenneth J. Loh 한국풍공학회 2015 Wind and Structures, An International Journal (WAS Vol.21 No.6
In this study, the geometrical setup of a turbine blade is tracked. A research-scale rotating turbine blade system is setup with a single 3-axes accelerometer mounted on one of the blades. The turbine system is rotated by a controlled motor. The tilt and rolling angles of the rotating blade under operating conditions are determined from the response measurement of the single accelerometer. Data acquisition is achieved using a prototype wireless sensing system. First, the Rodrigues' rotation formula and an optimization algorithm are used to track the blade rolling angle and pitching angles of the turbine blade system. In addition, the blade flapwise natural frequency is identified by removing the rotation-related response induced by gravity and centrifuge force. To verify the result of calculations, a covariance-driven stochastic subspace identification method (SSI-COV) is applied to the vibration measurements of the blades to determine the system natural frequencies. It is thus proven that by using a single sensor and through a series of coordinate transformations and the Rodrigues' rotation formula, the geometrical setup of the blade can be tracked and the blade flapwise vibration frequency can be determined successfully.
Loh, Chin-Hsiung,Huang, Yu-Ting,Hsiung, Wan-Ying,Yang, Yuan-Sen,Loh, Kenneth J. Techno-Press 2015 Wind and Structures, An International Journal (WAS Vol.21 No.6
In this study, the geometrical setup of a turbine blade is tracked. A research-scale rotating turbine blade system is setup with a single 3-axes accelerometer mounted on one of the blades. The turbine system is rotated by a controlled motor. The tilt and rolling angles of the rotating blade under operating conditions are determined from the response measurement of the single accelerometer. Data acquisition is achieved using a prototype wireless sensing system. First, the Rodrigues' rotation formula and an optimization algorithm are used to track the blade rolling angle and pitching angles of the turbine blade system. In addition, the blade flapwise natural frequency is identified by removing the rotation-related response induced by gravity and centrifuge force. To verify the result of calculations, a covariance-driven stochastic subspace identification method (SSI-COV) is applied to the vibration measurements of the blades to determine the system natural frequencies. It is thus proven that by using a single sensor and through a series of coordinate transformations and the Rodrigues' rotation formula, the geometrical setup of the blade can be tracked and the blade flapwise vibration frequency can be determined successfully.