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This study will use a factorial design to compare the effects of different colors and shapes on patients' preoperative anxiety.
Patients scheduled for elective surgery [+1]
Frail patients who can not freely sit on the seat [+4]
During hepatectomy, surgeons often prefer to restrict fluid intake, believing that this can lower central venous pressure (CVP) and reduce intraoperative blood loss. However, fluid restriction may lead to inadequate perfusion of vital organs and even contribute to postoperative organ dysfunction, such as acute kidney injury (AKI). Therefore, this study aims to compare the effects of restrictive versus liberal fluid therapy on major complications following hepatectomy.
scheduled for elective hepatectomy under general anesthesia [+1]
American society of anesthesiologists status over 3 [+4]
Within 30 minutes before anesthesia, acupoint electrical stimulation at different frequencies were applied at Neiguan and Jian Shi. The changes in blood pressure during the anesthesia induction period were compared between the high-frequency group and the low-frequency group.
aged over 65 yrs old [+1]
American society of anesthesiologists status over 3 [+4]
Cognitive impairment is common in people who suffer from hypoxia. Acupuncture and related techniques can be used to improve hypoxia and treat cognitive impairment. In this trial the effect of transcutaneous electrical acupoint stimulation on cognitive impairment in people under hypoxia will be investigated.
Male, age from 18 to 50 years
cardiopulmonary dysfunction; [+3]