Respuesta :
Its false, exercise testing before starting an exercise training program in patients who have had a revascularization procedure is not accepted as important for the assessment of ischemia.
Currently visual and tactile clues such as color, mottling, and tissue turgor are used in the operating room for subjective assessments of organ ischemia. Studies have demonstrated that infrared (IR) imaging is a reliable tool to identify perfusion of brain tumors and kidneys during human surgery. Intraoperative IR imaging has the potential for more objective real-time detection and quantitative assessment of organ viability including early ischemia. We hypothesize, by detecting variations of the IR signal, we can assess the degree to which renal surface temperature reflects underlying renal ischemia. To address this hypothesis, IR imaging-derived temperature fluctuations were evaluated during laparotomy in a porcine model (n = 15). These temperature profiles then underwent spectral (frequency) analysis to assess their relationship to well-described oscillations of the microcirculation.
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