Administration of HES in elderly patients undergoing hip arthroplasty under spinal anesthesia is not associated with an increase in renal injury

Table 1 Patient characteristics and intraoperative data

Groups	Male/Female	Age (yr)	ASA status (I/II/III)	Operation time (min)	Fluid infusion (ml)	Blood loss (ml)	Patients needing phenylephrine, no.(%)	Phenylephrine dose per patient(mg)	Length of stay (d)
HES	31/28	75.9 ± 7.5	39/15/5	56 ± 4	490 ± 30	100 ± 40	2(3.4)	0.1 ± 0.04	10.5 ± 1.7
LR	29/30	76.4 ± 8.1	37/14/8	58 ± 5	510 ± 20	120 ± 50	5(8.5)	0.15 ± 0.06	11.2 ± 1.1

Values are no. (%) or means(SD)
Patients in group LR received intraoperative placebo Lactate Ringers’ at a dose of 7.5 ml/kg; Patients in group HES received 6% HES 130/0.4 at a dose of 7.5 ml/kg in the first hour of surgery, and then, Lactate Ringers’ was administrated 5 ml/kg until the end of the surgery. All data were presented as mean ± SD or number of patients. ASA American Society of Anaesthesiologists, HES 6% hydroxyethyl starch 130/0.4, LR Lactate Ringers

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