Low-cost and portable MRI.
Low-cost and portable MRI.
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DOI：
10.1002/jmri.26942
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发表时间：
2020-09
影响因子：
4.4
通讯作者：
Cooley, Clarissa Zimmerman
中科院分区：
文献类型：
--
作者：
Wald, Lawrence L.;McDaniel, Patrick C.;Witzel, Thomas;Stockmann, Jason P.;Cooley, Clarissa Zimmerman
MRI技术的研究传统上通过开发采集技术和仪器来扩大诊断益处，使MRI扫描仪能够“看到更多”。“这通常集中在提高MRI的灵敏度和时空分辨率，或扩大其生物对比和目标的范围。除了在这方面取得的明显优势外，通过降低成本、选址和操作负担来扩大MRI的覆盖范围，还通过增加接受MRI检查的患者数量和倾斜其成本效益方程以允许更频繁和更多样化的使用来直接受益于医疗保健。低成本和/或真正便携式扫描仪的引入还可以实现新的即时护理和监测应用，而这些应用对于当今集中式设置中的扫描仪来说是不可行的。虽然成本和可访问性一直被考虑，我们已经看到了通用MRI扫描仪的速度和时空能力的巨大进步和患者舒适度的飞跃（如磁体长度和孔径），但在降低成本和选址限制方面只有适度的成功。专业扫描仪（例如，四肢、仅脑部或仅乳房扫描仪）的引入在商业上尚未取得足够的成功，无法使天平偏离主流模式：集中医疗保健场所的通用扫描仪。便携式磁共振成像扫描仪相当于他们的同行在超声或甚至计算机断层扫描还没有出现和磁共振监测设备只存在于研究实验室。尽管如此，硬件和计算技术的最新进展以及发展中国家MRI市场的蓬勃发展，使人们对低成本和可访问的MRI的兴趣重新抬头。本综述探讨了技术力量和权衡，这可能有助于推动“越狱”MRI从其集中的位置在医疗保健向前迈出一大步，并使其能够达到更大的患者群体，并实现新的用途。5 6
Research in MRI technology has traditionally expanded diagnostic benefit by developing acquisition techniques and instrumentation to enable MRI scanners to "see more." This typically focuses on improving MRI’s sensitivity and spatiotemporal resolution, or expanding its range of biological contrasts and targets. In complement to the clear benefits achieved in this direction, extending the reach of MRI by reducing its cost, siting, and operational burdens also directly benefits healthcare by increasing the number of patients with access to MRI examinations and tilting its cost–benefit equation to allow more frequent and varied use. The introduction of low-cost, and/or truly portable scanners, could also enable new point-of-care and monitoring applications not feasible for today’s scanners in centralized settings. While cost and accessibility have always been considered, we have seen tremendous advances in the speed and spatial-temporal capabilities of general-purpose MRI scanners and quantum leaps in patient comfort (such as magnet length and bore diameter), but only modest success in the reduction of cost and siting constraints. The introduction of specialty scanners (eg, extremity, brain-only, or breast-only scanners) have not been commercially successful enough to tilt the balance away from the prevailing model: a general-purpose scanner in a centralized healthcare location. Portable MRI scanners equivalent to their counterparts in ultrasound or even computed tomography have not emerged and MR monitoring devices exist only in research laboratories. Nonetheless, recent advances in hardware and computational technology as well as burgeoning markets for MRI in the developing world has created a resurgence of interest in the topic of low-cost and accessible MRI. This review examines the technical forces and trade-offs that might facilitate a large step forward in the push to "jail-break" MRI from its centralized location in healthcare and allow it to reach larger patient populations and achieve new uses. 5 6
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影响因子：
3.3
作者：
Gudino N;de Zwart JA;Duan Q;Dodd SJ;Murphy-Boesch J;van Gelderen P;Duyn JH
通讯作者：
Duyn JH
影响因子：
3.3
作者：
Griswold, MA;Jakob, PM;Haase, A
通讯作者：
Haase, A
DOI：
10.1002/cmr.b.21320
发表时间：
2016-02-01
影响因子：
0.9
作者：
Bluemler, Peter
通讯作者：
Bluemler, Peter
影响因子：
3.3
作者：
Gudino, Natalia;Duan, Qi;Duyn, Jeff H.
通讯作者：
Duyn, Jeff H.
影响因子：
3.3
作者：
Cooley, Clarissa Zimmerman;Stockmann, Jason P.;Armstrong, Brandon D.;Sarracanie, Mathieu;Lev, Michael H.;Rosen, Matthew S.;Wald, Lawrence L.
通讯作者：
Wald, Lawrence L.