The Experts below are selected from a list of 93 Experts worldwide ranked by ideXlab platform
Phillip H Kaleida - One of the best experts on this subject based on the ideXlab platform.
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How Helpful Is Pneumatic Otoscopy in Improving Diagnostic Accuracy
Pediatrics, 2003Co-Authors: Woodson S Jones, Phillip H KaleidaAbstract:Background. Pneumatic otoscopy is believed to be helpful in optimally assessing the presence or absence of middle ear effusion (MEE). Although expert clinicians teach the importance of this diagnostic skill to trainees, evidence exists that many pediatric providers do not typically perform Pneumatic otoscopy. Objective. To determine if the otoscopic accuracy within a group of clinicians improves with the Pneumatic assessment when compared with the static assessment using videotaped otoendoscopic examinations (VOEs). Methods. Residents and faculty from 2 pediatric training programs served as subjects. All viewed a set of 50 video otoscopic examinations of tympanic membranes (TMs) from a validated VOE developed previously for training purposes. The video displays each TM in a static presentation and then in a Pneumatic (mobile) presentation, followed by a final static presentation. Each subject first viewed the initial static presentation of each TM and responded “yes/no” to the presence of MEE, and then viewed the Pneumatic presentation of the same TM and again responded “yes/no” to the presence of MEE. We compared the accuracy of assessment for both the static and the Pneumatic tests. Results. Thirty-four pediatric residents and 6 clinical faculty participated. Accuracy (percent of total test items correct) on the Pneumatic test was uniformly greater than accuracy on the static test. The mean absolute improvement in the accuracy from the static test (61%) to the Pneumatic test (76%) was 15% (95% confidence interval [CI] = 12%–18%). The mean relative improvement in accuracy from the static test to the Pneumatic test was 26% (95% CI = 19%–32%). Higher accuracy on the VOE was associated with greater absolute (r = 0.57) and greater relative (r = 0.47) improvement. The mean relative improvement in sensitivity and specificity from static viewing to Pneumatic viewing was 24% (95% CI = 15%–33%) and 42% (95% CI = 27%–58%), respectively. Conclusions. Using a video otoendoscopic test, we found that accurate identification of both the presence and the absence of MEE improved after Pneumatic assessment of TM mobility. Providers who were more accurate at otoscopy, defined by higher video total test scores, benefited more from the Pneumatic Component than providers with lower scores.
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How helpful is Pneumatic otoscopy in improving diagnostic accuracy?
Pediatrics, 2003Co-Authors: Woodson S Jones, Phillip H KaleidaAbstract:Pneumatic otoscopy is believed to be helpful in optimally assessing the presence or absence of middle ear effusion (MEE). Although expert clinicians teach the importance of this diagnostic skill to trainees, evidence exists that many pediatric providers do not typically perform Pneumatic otoscopy. To determine if the otoscopic accuracy within a group of clinicians improves with the Pneumatic assessment when compared with the static assessment using videotaped otoendoscopic examinations (VOEs). Residents and faculty from 2 pediatric training programs served as subjects. All viewed a set of 50 video otoscopic examinations of tympanic membranes (TMs) from a validated VOE developed previously for training purposes. The video displays each TM in a static presentation and then in a Pneumatic (mobile) presentation, followed by a final static presentation. Each subject first viewed the initial static presentation of each TM and responded "yes/no" to the presence of MEE, and then viewed the Pneumatic presentation of the same TM and again responded "yes/no" to the presence of MEE. We compared the accuracy of assessment for both the static and the Pneumatic tests. Thirty-four pediatric residents and 6 clinical faculty participated. Accuracy (percent of total test items correct) on the Pneumatic test was uniformly greater than accuracy on the static test. The mean absolute improvement in the accuracy from the static test (61%) to the Pneumatic test (76%) was 15% (95% confidence interval [CI] = 12%-18%). The mean relative improvement in accuracy from the static test to the Pneumatic test was 26% (95% CI = 19%-32%). Higher accuracy on the VOE was associated with greater absolute (r = 0.57) and greater relative (r = 0.47) improvement. The mean relative improvement in sensitivity and specificity from static viewing to Pneumatic viewing was 24% (95% CI = 15%-33%) and 42% (95% CI = 27%-58%), respectively. Using a video otoendoscopic test, we found that accurate identification of both the presence and the absence of MEE improved after Pneumatic assessment of TM mobility. Providers who were more accurate at otoscopy, defined by higher video total test scores, benefited more from the Pneumatic Component than providers with lower scores.
Woodson S Jones - One of the best experts on this subject based on the ideXlab platform.
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How Helpful Is Pneumatic Otoscopy in Improving Diagnostic Accuracy
Pediatrics, 2003Co-Authors: Woodson S Jones, Phillip H KaleidaAbstract:Background. Pneumatic otoscopy is believed to be helpful in optimally assessing the presence or absence of middle ear effusion (MEE). Although expert clinicians teach the importance of this diagnostic skill to trainees, evidence exists that many pediatric providers do not typically perform Pneumatic otoscopy. Objective. To determine if the otoscopic accuracy within a group of clinicians improves with the Pneumatic assessment when compared with the static assessment using videotaped otoendoscopic examinations (VOEs). Methods. Residents and faculty from 2 pediatric training programs served as subjects. All viewed a set of 50 video otoscopic examinations of tympanic membranes (TMs) from a validated VOE developed previously for training purposes. The video displays each TM in a static presentation and then in a Pneumatic (mobile) presentation, followed by a final static presentation. Each subject first viewed the initial static presentation of each TM and responded “yes/no” to the presence of MEE, and then viewed the Pneumatic presentation of the same TM and again responded “yes/no” to the presence of MEE. We compared the accuracy of assessment for both the static and the Pneumatic tests. Results. Thirty-four pediatric residents and 6 clinical faculty participated. Accuracy (percent of total test items correct) on the Pneumatic test was uniformly greater than accuracy on the static test. The mean absolute improvement in the accuracy from the static test (61%) to the Pneumatic test (76%) was 15% (95% confidence interval [CI] = 12%–18%). The mean relative improvement in accuracy from the static test to the Pneumatic test was 26% (95% CI = 19%–32%). Higher accuracy on the VOE was associated with greater absolute (r = 0.57) and greater relative (r = 0.47) improvement. The mean relative improvement in sensitivity and specificity from static viewing to Pneumatic viewing was 24% (95% CI = 15%–33%) and 42% (95% CI = 27%–58%), respectively. Conclusions. Using a video otoendoscopic test, we found that accurate identification of both the presence and the absence of MEE improved after Pneumatic assessment of TM mobility. Providers who were more accurate at otoscopy, defined by higher video total test scores, benefited more from the Pneumatic Component than providers with lower scores.
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How helpful is Pneumatic otoscopy in improving diagnostic accuracy?
Pediatrics, 2003Co-Authors: Woodson S Jones, Phillip H KaleidaAbstract:Pneumatic otoscopy is believed to be helpful in optimally assessing the presence or absence of middle ear effusion (MEE). Although expert clinicians teach the importance of this diagnostic skill to trainees, evidence exists that many pediatric providers do not typically perform Pneumatic otoscopy. To determine if the otoscopic accuracy within a group of clinicians improves with the Pneumatic assessment when compared with the static assessment using videotaped otoendoscopic examinations (VOEs). Residents and faculty from 2 pediatric training programs served as subjects. All viewed a set of 50 video otoscopic examinations of tympanic membranes (TMs) from a validated VOE developed previously for training purposes. The video displays each TM in a static presentation and then in a Pneumatic (mobile) presentation, followed by a final static presentation. Each subject first viewed the initial static presentation of each TM and responded "yes/no" to the presence of MEE, and then viewed the Pneumatic presentation of the same TM and again responded "yes/no" to the presence of MEE. We compared the accuracy of assessment for both the static and the Pneumatic tests. Thirty-four pediatric residents and 6 clinical faculty participated. Accuracy (percent of total test items correct) on the Pneumatic test was uniformly greater than accuracy on the static test. The mean absolute improvement in the accuracy from the static test (61%) to the Pneumatic test (76%) was 15% (95% confidence interval [CI] = 12%-18%). The mean relative improvement in accuracy from the static test to the Pneumatic test was 26% (95% CI = 19%-32%). Higher accuracy on the VOE was associated with greater absolute (r = 0.57) and greater relative (r = 0.47) improvement. The mean relative improvement in sensitivity and specificity from static viewing to Pneumatic viewing was 24% (95% CI = 15%-33%) and 42% (95% CI = 27%-58%), respectively. Using a video otoendoscopic test, we found that accurate identification of both the presence and the absence of MEE improved after Pneumatic assessment of TM mobility. Providers who were more accurate at otoscopy, defined by higher video total test scores, benefited more from the Pneumatic Component than providers with lower scores.
Francesco Pescarmona - One of the best experts on this subject based on the ideXlab platform.
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Flow rate test bench: automated and compliant to ISO standards
'Wiley', 2013Co-Authors: Carello Massimiliana, Ivanov Alexandre, Francesco PescarmonaAbstract:he issue of measuring the flow rate through a Pneumatic Component is a critical one. Several methods exist, each with its own pros and cons regarding the type of gas, measurement range, and accuracy. ISO Standards, however, consider only a few of them: orifice plates, nozzles, Venturi nozzles, Venturi tubes. Although amenable to possible criticism, the International Organization for Standardization is an important reference. Designing a test bench according to its Standards is often more than reasonable: advantages include certification, assessment of test methods and accuracy, worldwide recognition. On the other hand, however detailed the Standards may be, they often lack the designer's (and perhaps the user's) point of view. This aspect leads to complicated realizations, low usability or long test execution times. This article proposes a flow rate test bench compliant to ISO Standards allowing a partially automated testing, rational installation, high configurability, user-friendliness, and accuracy. © 2012, Society for Experimental Mechanics
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Flow Rate Test Bench: Automated and Compliant to ISO Standards
Experimental Techniques, 2012Co-Authors: Massimiliana Carello, Alexandre Ivanov, Francesco PescarmonaAbstract:The issue of measuring the flow rate through a Pneumatic Component is a critical one. Several methods exist, each with its own pros and cons regarding the type of gas, measurement range, and accuracy.1 ISO Standards, however, consider only a few of them: orifice plates, nozzles, Venturi nozzles, Venturi tubes.2–4 Although amenable to possible criticism, the International Organization for Standardization is an important reference. Designing a test bench according to its Standards is often more than reasonable: advantages include certification, assessment of test methods and accuracy, worldwide recognition. On the other hand, however detailed the Standards may be, they often lack the designer’s (and perhaps the user’s) point of view. This aspect leads to complicated realizations, low usability or long test execution times. This article proposes a flow rate test bench compliant to ISO Standards allowing a partially automated testing, rational installation, high configurability, user-friendliness, and accuracy.
Naotake Oneyama - One of the best experts on this subject based on the ideXlab platform.
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Error comparison between ISO/WD 6358-2 and ISO 6358:1989
Seventh International Symposium on Instrumentation and Control Technology: Measurement Theory and Systems and Aeronautical Equipment, 2008Co-Authors: Jungong Ma, Baolin Wu, Juan Chen, Zhiyong Tang, Naotake OneyamaAbstract:Flow-rate characteristics of Pneumatic Component are represented by sonic conductance C and critical pressure ratio b as specified by ISO 6538. In this method, Components are considered having ellipse flow-rate characteristics. However, since there are many of Pneumatic Components that ISO 6358 method can't represent proximately, regardless of whether or not calculated Component is independent or composed, the flow-rate characteristics curve is not always like an ellipse, and the accuracy of sequential composition itself is questioned to air flow which passes though multiple Components simultaneously. For this reason, the modification of composition method is present which ISO/WD 6358-2 is. In the paper, Error comparison between ISO/WD 6358-2 and ISO 6358:1989 have been done, the results show that error are small between them, but ISO/WD 6358-2 extends the applicable range of standard.
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study and suggestions on Pneumatic Component flow rate characteristics
Proceedings of the JFPS International Symposium on Fluid Power, 2002Co-Authors: Mitsuru Senoo, Huping Zhang, Naotake OneyamaAbstract:IS06358 was published in 1989 as a standard which specifies the determination of flow-rate characteristics for Pneumatic Components. Then, in Japan, JIS B 8390 corresponded to IS06358 was published in 2000. These standards represent the fl ow-rate characteristics over the full range using “Sonic conductance C” and “Critical pressure ratio b.” In this paper, comparison with IS06358 and Existing representation method. Moreover, the problemof the measuring method by ISO was clarified and the flow-rate characteristic model for the representation method was proposed. Furthermore, the method by “Effective conductance” which grasps the flow-rate characteristic of Pneumatic Components with a single parameter was suggested, and the development of the test method replaced with the ISO method was suggested.
Mitsuru Senoo - One of the best experts on this subject based on the ideXlab platform.
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Flow-rate characteristics parameters of Pneumatic Component
2008 IEEE International Conference on Automation and Logistics, 2008Co-Authors: Ma Jungong, Chen Juan, Zhao Ke, Mitsuru SenooAbstract:Flow-rate characteristics of Pneumatic Component are represented by dasiasonic conductance Cpsila, dasiacritical pressure ratio bpsila, dasiasubsonic index mpsila and dasiacracking pressure ratio apsila as specified by ISO 6593. The 4 parameters are basements for designing, model selecting, simulating, evaluating and comparing Pneumatic Components and systems, so it is essential to grasp them. But it needs a power source with large capacity and long time to carry out the test. It has a high demand for the test equipment too. In the paper, the 4 parameters detail information are given, including the distribution of C about regulators and solenoid valves; the distribution of b and m about solenoid valves, silencers and other Pneumatic products; the test results of opening critical pressure ratio a, and so on. Thus it maybe saves much time and money for the designers, manufacturers and users in using them.
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study and suggestions on Pneumatic Component flow rate characteristics
Proceedings of the JFPS International Symposium on Fluid Power, 2002Co-Authors: Mitsuru Senoo, Huping Zhang, Naotake OneyamaAbstract:IS06358 was published in 1989 as a standard which specifies the determination of flow-rate characteristics for Pneumatic Components. Then, in Japan, JIS B 8390 corresponded to IS06358 was published in 2000. These standards represent the fl ow-rate characteristics over the full range using “Sonic conductance C” and “Critical pressure ratio b.” In this paper, comparison with IS06358 and Existing representation method. Moreover, the problemof the measuring method by ISO was clarified and the flow-rate characteristic model for the representation method was proposed. Furthermore, the method by “Effective conductance” which grasps the flow-rate characteristic of Pneumatic Components with a single parameter was suggested, and the development of the test method replaced with the ISO method was suggested.