The study shall evaluate the efficacy and safety of two different hydroxyethyl starch solutions (artificial colloids 6% HES130/0.4 and 6% HES70/0.5, Salinhes®) for intra-operative therapy of hypovolemia and maintenance of circulating blood volume in patients undergoing orthopedic surgery. The primary efficacy endpoint will be the required volume of colloid solution infused from start until end of surgery. It is the aim of the clinical trial to demonstrate that comparable volumes of colloid solution are used between treatment groups.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
64
Up to 1000mL 6% hydroxyethyl starch 130/0.4 solution i.v., intra-operatively (from start of surgery until end of surgery)
Up to 1000mL 6% hydroxyethyl starch 70/0.5 (Salinhes®) solution i.v., intra-operatively (from start of surgery until end of surgery)
Sapporo Medical University, School of Medicine
Sapporo, Hokkaido, Japan
Kyushu University, Graduate School of Medical Sciences
Fukuoka, Japan
Kobe University Graduate School of Medicine
Kobe, Japan
Okayama University
Okayama, Japan
Volume of colloid solution infused during investigational period (= intra-operatively)
Time frame: Intra-operatively
Fluid input
Time frame: From immediately before induction of anesthesia until 48 hours after end of surgery
Fluid output
Time frame: From immediately before induction of anesthesia until 48 hours after end of surgery
Fluid balance
Time frame: From immediately before induction of anesthesia until 48 hours after end of surgery
Hemodynamics
Time frame: From immediately before induction of anesthesia until 48 hours after end of surgery
Co-administration of vasoactive drugs
Time frame: From enrolment until 48 hours after end of surgery
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Osaka University Graduate School of Medicine
Osaka, Japan
Keio University School of Medicine
Tokyo, Japan
Tokyo Women's Medical University
Tokyo, Japan