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RISS 인기검색어
- 검색키워드
- 저자 : Ann E. Kelly (검색결과 3 건)
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Robert E. Kelly Jr.,Robert J. Obermeyer,M. Ann Kuhn,Frazier W. Frantz,Mohammad F. Obeid,Nahom Kidane,Frederic D. McKenzie 대한흉부외과학회 2018 Journal of Chest Surgery (J Chest Surg) Vol.51 No.6
Background: The nonsurgical treatment of chest wall deformity by a vacuum bell or external brace is gradual, with correction taking place over months. Monitoring the progress of nonsurgical treatment of chest wall deformity has relied on the ancient methods of measuring the depth of the excavatum and the protrusion of the carinatum. Patients, who are often adolescent, may become discouraged and abandon treatment. Methods: Optical scanning was utilized before and after the intervention to assess the effectiveness of treatment. The device measured the change in chest shape at each visit. In this pilot study, patients were included if they were willing to undergo scanning before and after treatment. Both surgical and nonsurgical treatment results were assessed. Results: Scanning was successful in 7 patients. Optical scanning allowed a visually clear, precise assessment of treatment, whether by operation, vacuum bell (for pectus excavatum), or external compression brace (for pectus carinatum). Millimeter-scale differences were identified and presented graphically to patients and families. Conclusion: Optical scanning with the digital subtraction of images obtained months apart allows a comparison of chest shape before and after treatment. For nonsurgical, gradual methods, this allows the patient to more easily appreciate progress. We speculate that this will increase adherence to these methods in adolescent patients.
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MC21/CTF and VERA multiphysics solutions to VERA core physics benchmark progression problems 6 and 7
Daniel J. Kelly III,Ann E. Kelly,Brian N. Aviles,Andrew T. Godfrey,Robert K. Salko,Benjamin S. Collins 한국원자력학회 2017 Nuclear Engineering and Technology Vol.49 No.6
The continuous energy Monte Carlo neutron transport code, MC21, was coupled to the CTF subchannelthermal-hydraulics code using a combination of Consortium for Advanced Simulation of Light WaterReactors (CASL) tools and in-house Python scripts. An MC21/CTF solution for VERA Core PhysicsBenchmark Progression Problem 6 demonstrated good agreement with MC21/COBRA-IE and VERA solutions. The MC21/CTF solution for VERA Core Physics Benchmark Progression Problem 7, Watts Bar Unit1 at beginning of cycle hot full power equilibrium xenon conditions, is the first published coupled MonteCarlo neutronics/subchannel T-H solution for this problem. MC21/CTF predicted a critical boron concentrationof 854.5 ppm, yielding a critical eigenvalue of 0.99994 ± 6.8E-6 (95% confidence interval). Excellent agreement with a VERA solution of Problem 7 was also demonstrated for integral and localpower and temperature parameters.
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( Colin R. Carriker ),( Roger A. Vaughan ),( Trisha A. Vandusseldorp ),( Kelly E. Johnson ),( Nicholas M. Beltz ),( James J. Mccormick ),( Nathan H. Cole ),( Ann L. Gibson ) 한국운동영양학회 2016 Physical Activity and Nutrition (Phys Act Nutr) Vol.20 No.4
[Purpose] To examine the effect of a 4-day NO<sub>3</sub>- loading protocol on the submaximal oxygen cost of both low fit and high fit partici pants at five different exercise intensities. [Methods] Eleven (6 high fit, VO<sub>2max</sub> 60.1 ± 4.6ml/kg/min; 5 low fit, VO<sub>2max</sub> 42.4 ± 3.2ml/ kg/min) participants were initially assigned to a placebo (PL; negligible NO<sub>3</sub>-) or inorganic nitrate-rich (NR; 6.2 mmol nitrate/day) group using a double-blind, placebo-controlled, crossover design. Participants completed three trials (T1, T2 and T3). T1 included a maximal aerobic capacity (VO<sub>2max</sub>) treadmill test. A 6-day washout, minimizing nitrate con sumption, preceded T2. Each of the four days prior to T2 and T3, participants consumed either PL or NR with the final dose 2.5 hours prior to exercise. A 14-day washout followed T2. T2 and T3 consisted of 5-minute submaximal treadmill bouts (45, 60, 70, 80 and 85% VO<sub>2max</sub>) deter mined during T1. [Results] Low fit nitrate-supplemented par ticipants consumed less oxygen (p<0.05) at lower workloads (45% and 60% VO<sub>2max</sub>) compared to placebo trials; changes were not observed in high fit participants. The two lowest intensity workloads of 45 and 60% VO<sub>2max</sub> revealed the greatest correlation (r=0.54, p=0.09 and r=0.79, p<0.05; respec tively) between VO<sub>2max</sub> and change in oxygen consumption. No differences were found between conditions for heart rate, respiratory exchange ratio or rating of perceived exertion for either fitness group. [Conclusion] Nitrate consumption promotes reduced oxygen consumption at lower ex ercise intensities in low fit, but not high fit males. Lesser fit individuals may receive greater benefit than higher fit participants ex ercising at intensities <60% VO<sub>2max</sub>.
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