نتایج جستجو برای: Rewarming
تعداد نتایج: 1040 فیلتر نتایج به سال:
Trunk-only bath rewarming has often been recommended over whole-body bath rewarming as a method for the treatment of immersion hypothermia. At present, no report of a direct comparison of the relative merits of these techniques has been made. Authorities in favor of trunk-only bath rewarming base their proposal on the assumption that core temperature afterdrop would be minimized by preventing p...
STUDY OBJECTIVE Evaluation of inhalation rewarming and peripheral rewarming for reducing the body core temperature afterdrop and accelerating rewarming rates. DESIGN Prospective, randomized human experimentation. SETTING Physiology laboratory with cooling during ice water immersion and rewarming in rescue sleeping bags in a windy, cold (2 C) air environment. TYPE OF PARTICIPANTS Eight exp...
1. Rewarming rate from torpor and body mass were inversely related in 86 mammals ranging in body mass between 2 and 8500 g. 2. Most of the mammalian taxa investigated showed a similar change of rewarming rate with body mass. Only the insectivores showed a more pronounced increase in rewarming with a decrease in body mass than did the other taxa. The rates of rewarming of marsupials were similar...
1. Rewarming rate from torpor and body mass were inversely related in. 86 mammals ranging in body mass between 2 and 8500 g. 2. Most of the mammalian taxa investigated showed a similar change of rewarming rate with body mass. Only the insectivores showed a more pronounced increase in rewarming with a decrease in body mass than did the other taxa. The rates of rewarming of marsupials were simila...
Cerebral hyperthermia during the rewarming phase of cardiopulmonary bypass (CPB) is associated with adverse outcomes. Cerebral hyperthermia can exacerbate a preexisting injury prior to rewarming, and may be damaging in itself. Temperature and cerebral metabolic rate (CMRO2) play a vital role in cerebral autoregulation. Therefore, hyperthermia can have a strong impact on cerebral oxygen transfer...
Patients with risks of ischemic injury, e.g. during circulatory arrest in cardiac surgery, or after resuscitation are subjected to therapeutic hypothermia. For aortic surgery, the body is traditionally cooled down to 18 °C and then rewarmed to body temperature. The role of hypothermia and the subsequent rewarming process on leukocyte-endothelial interactions and expression of junctional-adhesio...
Background: It is well known that cold exposure experienced during occupational or recreational activities may adversely affect motor, cognitive performance, and health. Most research has used prolonged passive external rewarming modalities and focused on the direct effects on the kinetics of physiological and psychological responses in hypothermic subjects. However, the brief whole body rewarm...
BACKGROUND AND PURPOSE Recently, we focused on the cerebrovascular protective effects of moderate hypothermia after traumatic brain injury, noting that the efficacy of posttraumatic hypothermia is related to the rate of posthypothermic rewarming. In the current communication, we revisit the use of hypothermia with varying degrees of rewarming to ascertain whether, in the normal cerebral vascula...
BACKGROUND Since the time available to provide the cooling and rewarming is limited during deliberate mild hypothermia, the technique to accelerate the cooling and rewarming rate of core temperature has been studied. Amrinone has been reported to accelerate the cooling rate but not the rewarming rate of core temperature during deliberate mild hypothermia. The failure of amrinone effect on the r...
Rewarming, a key event in resuscitation from accidental, experimental and clinical hypothermia, is sometimes followed by neurologic, cardiac, and respiratory sequelae and may lead to death. The rate of rewarming has been implicated but not quantified as etiologic in these sequelae. Under anesthesia fifteen dogs were cannulated and connected to an extracorporeal circuit for oxygenation, core co...
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