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Robotic-assisted hysterectomy in a community hospital after seven years of experience

Laparoscopic, Endoscopic and Robotic Surgery 2018年第2期1卷 42-45页

作者： Zohreh schuessler hans schuessler James Strohaber College of Nursing Texas Woman's UniversityDentonTXUSA Department of Physics Texas A&M UniversityCollege StationTXUSA Department of Physics Florida A&M UniversityTallahasseeFLUSA

Background:The da Vinci robotic-assisted laparoscopic hysterectomy is being widely adopted by healthcare institutions and constitutes the highest percentage of the robotic-assisted *** now da Vinci robotic-assisted hysterectomy(RAH)is used worldwide,and even so,different aspects of this relatively new surgical technique remain under *** are contradicting reports in the literature about the superiority of RAH versus conventional laparoscopic hysterectomy(CLH)in terms of patient outcomes and *** purpose of this small size study was to contribute to this open question by analyzing patient records in a community hospital with extensive seven years of experience in *** analysis of the data compares the surgical outcomes and patient costs of RAH(n?23)versus CLH(n?23).Method:A retrospective study using the electronic chart review was ***:There were no statistically significant differences between the two groups for estimated blood loss,duration of surgery,length of stay,30-day readmission,and patient costs;however,the average cost of RAH was$3116 less than CLH,if not considering the cost and maintenance of the surgical robot indicating surgical team approaching proficiency and maturity in RAH.A strong correlation between uterus weight,blood loss,duration of surgery,and patient cost within only the RAH group was observed,suggesting a more precise surgical ***:RAH and CLH had similar surgical *** can be a more precise surgical technique,and potentially less costly when the cost and maintenance of the robot are not considered.

关键词： Robotic Laparoscopic Hysterectomy Patient outcomes Cost

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Direct Mass Spectroscopy Analysis and Comparison of Middle Eastern and Texas Crude Oils

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International Journal of Organic Chemistry 2017年第4期7卷 312-318页

作者： Gamze Kaya Necati Kaya Mahmood Amani Abul H. M. J. Rahman Alexandre A. Kolomenskii hans A. schuessler Vocational School of Technical Sciences Canakkale Onsekiz Mart University Canakkale Turkey Faculty of Arts and Sciences Giresun University Giresun Turkey Petroleum Engineering Program Texas A & M University at Qatar Doha Qatar Department of Physics Texas A & M University College Station TX USA

We analyzed two types of crude oil samples: Middle Eastern crude oil and Texas crude oil by using a residual gas analyzer (RGA) based on the linear quadrupole principle. This portable mass analyzer is capable of measuring hydrocarbons with masses of up to 300 atomic mass units (amu) as well as low mass targets, such as methane and carbon dioxide at ppm level concentrations. The generated mass spectra revealed differences in the composition and signal intensity of hydrocarbons of Middle Eastern and Texas crude oil samples. Even if RGA 300 is manufactured to be served as a detailed gas analysis of vacuum systems, we have shown that it is sensitively capable of detection of hydrocarbons and it enables one to qualitative and quantitative analysis of the composition of the crude oils.

关键词： Oil Composition Mass Spectrum Analysis Hydrocarbons Content

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