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In the field of medicine, near infrared reflectance spectroscopy or NIR spectroscopy holds a vital place. NIR spectroscopy is currently being used as a non-invasive evaluation of brain functions. With the use of an NIR spectrometer, we can detect certain changes in blood hemoglobin levels in the brain. This means that, in some cases, NIR spectroscopy may even partially replace MRIs.
Whereas, MRIs are not recommended for use on infants, NIR spectroscopy is safe for infants. Aside from this, an NIR spectrometer is smaller and, therefore, much more portable than an MRI machine. As a matter of fact, wireless instruments that come with NIR spectrometers enable doctors to study freely moving patients. But this doesn’t mean that NIR spectrometers will fully replace MRIs. NIR spectrometers can only scan cortical tissues, while MRIs are used, primarily, to measure entire brain activity.
By utilizing several different wavelengths in the spectrum together with time resolved frequencies and/or spatially determined modes of blood flow, the NIR spectrometer may be able to qualify volume and oxygenation in the brain. These measurements take the form of an oximetry. Oximetries by NIR spectroscopy methods include the detection of blood circulation problems, the discovery and estimation of breast tumors and the optimization of sports medicine applications.
More and more, NIR spectroscopy is being used in pediatric care and to help patients deal with the post-operation of cardiac surgery. NIR spectroscopy is also capable of measuring venous oxygen saturation (SVO2) levels, which is revealed by the cardiac output, hemoglobin, oxygen uptake and others. Utilizing NIR spectroscopy, physicians and doctors are provided with the necessary data about cardiac output in patients. The non-invasive, painless and non-radiation methods employed by NIR spectroscopy presents a very viable option for patients’ treatments.
NIR spectrometers today use advanced optics for excellent sensitivity and stability. Designs for NIR spectrometers are continuously being improved so that they may provide consistent high quality results with less downtime. In addition, since the need for better NIR spectrometers increases, NIR spectrometer may, now, go directly from research to being manufactured.
With the medical industry’s full support behind it, NIR spectroscopy methods and better NIR spectrometers in the market is sure to get better and better.
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