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Effects of blood flow restriction without additional exercise on strength reductions and muscular atrophy following immobilization:A systematic review

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Journal of Sport and Health Science 2020年第2期9卷 152-159页

作者： Mikhail Santos Cerqueira Jose Diego Sales Do Nascimento daniel germano maciel Jean Artur Mendonca Barboza Wouber Herickson De Brito Vieira Department of Physical Therapy Laboratory of Muscle PerformanceFederal University of Rio Grande do NorteNatalRio Grande do Norte 59072-970Brazil Department of Physical Therapy Neuromuscular Performance Analysis LaboratoryFederal University of Rio Grande do NorteNatalRio Grande do Norte 59072-970Brazil

Purpose:To investigate whether blood flow restriction(BFR) without concomitant exercise mitigated strength reduction and atrophy of thigh muscles in subjects under immobilization for lower ***:The following databases were searched:PubMed,CINAHL,PEDro,Web of Science,Central,and ***:The search identified 3 eligible studies,and the total sample in the identified studies consisted of 38 *** and isometric torque of the knee flexors and extensors was examined in 2 ***-sectional area of thigh muscles was evaluated in 1 study,and thigh girth was measured in 2 *** BFR protocol was 5 sets of 5 min of occlusion and 3 min of free flow,twice daily for approximately 2 *** a whole,the included studies indicate that BFR without exercise is able to minimize strength reduction and muscular atrophy after *** is crucial to emphasize,however,that the included studies showed a high risk of bias,especially regarding allocation concealment,blinding of outcome assessment,intention-to-treat analyses,and group similarity at ***:Although potentially useful,the high risk of bias presented by original stodies limits the indication of BFR without concomitant exercise as an effective countermeasure against strength reduction and atrophy mediated by immobilization.

关键词： Disuse Hypoxia Ischemia Muscle wasting Rehabilitation

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Novel SPECT Technologies and Approaches in Cardiac Imaging

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Cardiovascular Innovations and Applications 2016年第B12期2卷 31-46页

作者： Piotr Slomka Guang-Uei Hung Guido germano daniel S.Berman Departments of Imaging and Medicine Cedars-Sinai Medical CenterLos AngelesCAUSA Department of Nuclear Medicine Chang Bing Show Chwan Memorial HospitalChanghuaTaiwan

Recent novel approaches in myocardial perfusion single photon emission CT(SPECT)have been facilitated by new dedicated high-effi ciency hardware with solid-state detectors and optimized *** protocols include very low-dose(1 mSv)stress-only,two-position imaging to mitigate attenuation artifacts,and simultaneous dual-isotope *** correction can be performed by specialized low-dose systems or by previously obtained CT coronary calcium *** protocols using CT angiography have been *** quality improvements have been demonstrated by novel reconstructions and motion *** SPECT acquisition facilitates dynamic fl ow and early function *** processing algorithms have become automated with virtually unsupervised extraction of quantitative imaging *** automation facilitates integration with clinical variables derived by machine learning to predict patient outcome or *** this review,we describe new imaging protocols made possible by the new hardware *** also discuss several novel software approaches for the quantifi cation and interpretation of myocardial perfusion SPECT scans.

关键词： myocardial perfusion imaging single photon emission computed tomography fast myocardial perfusion single photon emission computed tomography quantifi cation low dose stress only

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