• Takehiko Iijima.
• Division of Anesthesiology, Department of Perioperative Medicine, Showa University, School of Dentistry, Tokyo 145-8515.
• Masui. 2013 Nov 1;62(11):1304-12.

AbstractChronic kidney disease (CKD) often accompanies cardiovascular complications, causing postoperative morbidity and even mortality. Since fluid and electrolyte homeostasis is deregulated in CKD patients, fluid therapy itself may cause postoperative morbidity. Recent studies have shown that forced diuresis through fluid overload offers no renoprotective effect and instead has harmful consequences. Fluid overload should be avoided, and the volume load should be used as the rationale for controlling hemodynamics. The emerging concept of a "zero-fluid balance policy" may be beneficial even for CKD patients. Hydroxyethylstarch might not be preferentially used for CKD patients. Hydroxyethylstarch is not contraindicated for CKD patients except in cases with long-term accumulation caused by increased vascular permeability, such as cases with sepsis, as long as an efficient volume expansion is beneficial to the patient. The regulation of renal function through the endocrine system (i.e., renin-angiotensin-aldosterone and vasopressin) is a key target for protecting the kidney in CKD. The recent development of a receptor blocker targeting these endocrine systems may be beneficial for correcting the fluid balance caused by excess intraoperative fluid therapy. The main issue for fluid therapy in surgical CKD patients may not be the quantity of fluid, but rational intervention affecting the endocrine system.

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