Wook-Jong Kim

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OBJECTIVE The purpose of this study was to identify perioperative risk factors for postoperative acute kidney injury (AKI) in patients undergoing esophageal cancer surgery. DESIGN A retrospective analysis of the prospectively collected medical data. SETTING A tertiary care university hospital. PARTICIPANTS All consecutive adult patients (n=595) who(More)
OBJECTIVE The efficacy and side-effects of nefopam were prospectively compared with those of fentanyl for patient-controlled analgesia (PCA) following cardiac surgery. METHODS Patients scheduled to undergo cardiac surgery were randomly assigned between three PCA groups (nefopam, fentanyl or nefopam + fentanyl). Pain was assessed at rest and during(More)
BACKGROUND The present study investigated whether preoperative angiotensin-converting enzyme inhibitor (ACEI) or angiotensin receptor blocker (ARB) use affected the incidence of postoperative atrial fibrillation (POAF) in patients undergoing off-pump coronary artery bypass graft (OPCAB). HYPOTHESIS Preoperative use of ACEI or ARB was related to POAF in(More)
OBJECTIVE Recent studies suggested that elevated serum uric acid levels may be associated with the risk of acute kidney injury (AKI) in several settings. However, the effect of uric acid on the risk of AKI after cardiovascular surgery remains uncertain. DESIGN A retrospective analysis. SETTING A tertiary care university hospital. PARTICIPANTS All(More)
BACKGROUND Several studies have shown in animal models that remote ischemic preconditioning (rIPC) has a neuroprotective effect. However, a randomized controlled trial in human subjects to investigate the neuroprotective effect of rIPC after cardiac surgery has not yet been reported. Therefore, we performed this pilot study to determine whether rIPC reduced(More)
BACKGROUND The FloTrac/Vigileo™ system does not thoroughly reflect variable arterial tones, due to a lack of external calibration. The ability of this system to measure stroke volume and track its changes after fluid administration has not been fully evaluated in patients with the high systemic vascular resistance that can develop during laparoscopic(More)
To investigate the association between preoperative low serum albumin level and acute kidney injury (AKI) after off-pump coronary artery bypass surgery (OPCAB) We assessed preoperative and perioperative risk factors, and preoperative serum albumin concentration in 1,182 consecutive adult patients with preoperative normal renal function who underwent OPCAB(More)
BACKGROUND Hypoalbuminemia may increase the risk of acute kidney injury (AKI). The authors investigated whether the immediate preoperative administration of 20% albumin solution affects the incidence of AKI after off-pump coronary artery bypass surgery. METHODS In this prospective, single-center, randomized, parallel-arm double-blind trial, 220 patients(More)
During liver transplantation, the thermodilution cardiac output (CO) technique cannot respond to sudden hemodynamic changes associated with postreperfusion syndrome. Photoplethysmography (PPG) can reflect changes in intravascular volume and thus can be used to assess vasomotor tone and arterial stiffness on the pressure-volume relation. We investigated(More)
BACKGROUND Previous studies have suggested that early surgery after coronary angiography may be associated with the risk of acute kidney injury (AKI) in cardiac surgery with cardiopulmonary bypass. However, the effect of coronary angiography on the risk of AKI after off-pump coronary artery bypass graft surgery (OPCABG) remains uncertain. METHODS We(More)