IL6 and Alzheimer disease: Differences were noted in IL-6 levels of the cerebrospinal fluid betweensurgically treated AD patients under either sole DHCA or combined DHCA and SACP;patients with DHCA showed higher IL-6 levels with double peaks during theperioperative period, whereas patients with combined DHCA and SACP showed lowerIL-6 levels with a single early peak at the end of the operation (Figure 7)[13].