Which of the following is not a result of rewarming in regards to the splanchnic viscera?

Rewarming during cardiopulmonary bypass can lead to several physiological changes, especially in the splanchnic viscera, which include organs such as the liver, spleen, and intestines. One notable effect of rewarming is that it generally facilitates improved oxygen delivery to these organs.

As the body is rewarmed, metabolic processes become more active. This activation can enhance blood flow and oxygen delivery to the splanchnic viscera, which is essential for maintaining the health and function of these organs. Consequently, increased oxygen delivery supports cellular metabolism and can prevent damage that may occur during periods of hypothermia or reduced perfusion.

Increased oxygen consumption also occurs as metabolic processes resume normal activity; however, this can lead to a higher demand for oxygen and nutrients, resulting in some complexity regarding perfusion dynamics. Nevertheless, the primary aspect is that rewarming improves the overall oxygen delivery to the splanchnic region.

The other options relate to decreased perfusion and oxygen delivery, which do not typically occur as a direct result of rewarming. Instead, these terms contradict the known physiological response during rewarming. Hence, increased oxygen delivery stands out as the correct understanding of what happens to the splanchnic viscera when rewarming occurs