Oxygen arterial saturation (SaO2) was measured with a pulse oximeter in 209 patients after elective surgery. Measurements were made upon arrival in the recovery room (RR) and 1 hr later. On each ...occasion, the patients randomly and alternately breathed--for 10 min at a time--room air or 35% O2. Factors that might influence the incidence of postoperative hypoxemia were analyzed. After breathing room air for 10 min after arrival in the RR, the mean SaO2 was 90.7 +/- 3.9% (+/- SD). Twenty min after and 1 hr after arrival in the RR, mean SaO2 increased significantly to 92.4 +/- 3.5% (P less than 0.001) and 93.2 +/- 3.0% (P less than 0.001), respectively. Postoperative hypoxemia (SaO2 less than or equal to 90%) after breathing room air for 10 min at 10 min, 20 min, and 1 hr after arrival in the RR occurred in 43.8%, 26.9%, and 16.9% of the patients, respectively. Breathing 35% O2 for 10 min 10 min after arrival in the RR, as well as 20 min and 1 hr after arrival, significantly increased SaO2 above the SaO2 level after breathing room air by 5.7% (P less than 0.001), 4.3% (P less than 0.001), and 4.0% (P less than 0.001), respectively. A significant multiple correlation was found between low SaO2 levels while breathing room air on arrival in the RR and fentanyl dose, age, and concentration of halothane used intraoperatively (R = 0.46; P less than 0.001).
Like a Freudian dream, the idea of nature was made up of displaced and condensed elements, its meaning overdetermined and variable, its interpretation subject to endless and undecidable debate. Its ...huge success in the French Enlightenment came from its capacity to unite opposites and apparently answer every possible question about the world, humanity, and the place of the latter within the former. The Swiss physician Samuel Tissot, whose work is examined in this chapter, made imagination responsible for counternatural sexuality. Imagination obviously belonged in human nature, but its exercise frequently counteracted the purposes of human life, also defined by nature itself. As in the medieval context studied in this book by Joan Cadden, although nature remained associated with moral conduct and social order, natural processes themselves could corrupt natural order.
A tactile handle for cane use monitoring Trujillo-Leon, A.; Ady, R.; Vidal-Verdu, F. ...
2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
2015
Conference Proceeding, Journal Article
Assistive ambulatory devices are used for gait rehabilitation and assistance. In both cases, their benefit is greater when they are used properly. As for canes, embedded sensors can be used for ...monitoring purposes. In this paper, a custom tactile handle equipping a cane is described. It is composed of cost-effective commercially available pressure sensors. Experimental results involving 10 subjects show that the developed handle can provide information on the cane orientation as well as on the load applied to it during assisted gait. These data can help monitoring the cane usage and misuses detection.
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