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BACKGROUND In clinical practice, the mechanisms underlying chronic post-surgical pain (CPSP) remain insufficiently understood. The primary goals of this study were to determine the incidence of chronic pain after thoracic surgery and to identify possible risk factors associated with the development of chronic post-thoracotomy pain in Chinese patients. The(More)
OBJECTIVE To investigate perioperative patterns of melatonin and cortisol secretion rhyme in patients undergoing coronary artery bypass grafting surgery. METHODS Eleven male patients scheduled for elective coronary artery bypass grafting surgery (CABG) under hypothermic cardiopulmonary bypass (CPB) were enrolled in the study. Anesthesia was induced and(More)
BACKGROUND The high incidence of neuropsychologic deficits after cardiac surgery, including cognitive dysfunction and mood status, has significantly influenced the prognosis, outcome of treatment and long-term quality of life of patients. With a circadian secretion pattern, melatonin and cortisol are capable of modulating the human physiological processes(More)
OBJECTIVE To investigate the influence of using fluid warming and forced-air warming system on patient core temperature, blood loss, blood transfusion, extubation time, and postoperative shivering. METHODS Forty ASA (American Society of Anesthesiologists' Physical Status) I-II patients, aged 21-69 years, scheduled for elective abdominal surgery under(More)
BACKGROUND Malignant hyperthermia (MH), manifesting as MH crisis during and/or after general anesthesia, is a potentially fatal disorder in response to volatile anesthetics and depolarizing muscle relaxants. Though typical features of MH episode can provide clues for clinical diagnosis, MH susceptibility is confirmed by in vitro caffeine-halothane(More)
OBJECTIVE To evaluate the effect of intraoperative combined forced-air warming and fluid warming system on patient's core temperature, blood loss, transfusion demand, extubation time, and incidence of postoperative shivering. METHODS Forty patients with American Society of Anesthesiologists physical status I and II, aged 18-70 years, scheduled for(More)
OBJECTIVE To investigate the relationship between the circadian rhythm of perioperative cortisol secretion and neuropsychological states in patients undergoing coronary artery bypass grafting surgery. METHODS Forty male patients scheduled for elective coronary artery bypass grafting (CABG) under hypothermic cardio-pulmonary bypass (CPB) or off-pump were(More)
BACKGROUND Although the performance of target-controlled infusion (TCI) have been studied extensively, the accuracy and safety of a TCI system that targets the effect site remains to be demonstrated. This study was to investigate the relations of TCI of propofol to its concentrations in cerebral spinal fluid (CSF), the effect-site concentrations and(More)
OBJECTIVE To analyze the characteristics of perioperative hemodynamics in pheochromocytoma secreting different types of catecholamine, and to discuss how to improve the hemodynamics. METHODS The clinical data of 202 patients with pheochromocytoma who had received operation were analyzed. Three classification systems were used to divided the patients: they(More)