Open Journal of Anesthesiology, 2013, 3, 326-337
http://dx.doi.org/10.4236/ojanes.2013.37071 Published Online September 2013 (http://www.scirp.org/journal/ojanes)
The Volume Effect and Safety of 6% Hydroxyethyl Starch
130/0.4 in Patients Undergoing Major Elective Surgery: An
Uncontrolled, Open-Labeled, Multi-Center Study
Nobutada Morioka1, Makoto Ozaki1, Michiaki Yamakage2, Hiroshi Morimatsu3, Yasuyuki Suzuki4,
Frank Bepperling5, Hideki Miyao6, Akiyoshi Namiki7, Kiyoshi Morita3
1Department of Anesthesiology, Tokyo Women’s Medical University, Tokyo, Japan; 2Department of Anesthesiology, Sapporo
Medical University School of Medicine, Sapporo, Japan; 3Department of Anesthesiology, Okayama University, Okayama, Japan;
4Department of Anesthesia and Intensive Care Medicine, National Center for Child Health and Development, Tokyo, Japan;
5Fresenius Kabi Deutschland GmbH, Bad Homburg, Germany; 6Department of Anesthesiology, Saitama Medical Center, Saitama
Medical University, Kawagoe, Japan; 7Otaru City Hospitals, Otaru-shi, Japan.
Email: nobu@kiwi.ne.jp
Received June 26th, 2013; revised July 28th, 2013; accepted August 20th, 2013
Copyright © 2013 Nobutada Morioka et al. This is an open access article distributed under the Creative Commons Attribution Li-
cense, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
ABSTRACT
Purpose: The primary aim of this study was to investigate volume effect and safety of up to 50 mL/kg BW 6% hy-
droxyethyl starch (HES) 130/0.4 in adult and pediatric patients undergoing major elective surgery. The need to infuse
human albumin may be reduced or avoided in Japan if these large doses 6% HES 130/0.4 can be infused. Methods: The
study was an uncontrolled, open-labeled, multi-center trial. Fifteen adult and 5 pediatric patients undergoing major elec-
tive surgery received 6% HES 130/0.4 (Voluven®) with a maximum dose of 50 mL/kg from the start of surgery until 2
hours after the end of surgery according to a treatment algorithm. The primary efficacy endpoint was the volume effect
of 6% HES 130/0.4 determined by the volume of saved albumin during the investigational period and the time course of
hemodynamic stability in adult and pediatric patients. Safety parameters were fluid balance, hemodynamic and labora-
tory parameters ECG, local and systemic tolerance and adverse events. Results: Adult patients received a mean of 32.0
mL/kg of 6% HES 130/0.4. For 12 out of 15 adult patients an average amount of 1033.8 mL (18.6 mL/kg) albumin
could be saved. The other 3 adult patients did not receive more than 1000 mL of HES 130/0.4. All pediatric patients
received approximately 50 mL/kg of HES 130/0.4; for these patients an average amount of 39.9 mL/kg body weight
albumin could be saved. The majority of adult patients, and all pediatric patients were hemodynamically stable at all 3
time points. The observed changes of the assessed laboratory parameters including hematological and coagulation pa-
rameters or in any other safety parameter determined did not reveal any safety concern related to the administration of
6% HES 130/0.4 up to doses of 50 mL/kg body weight. Conclusion: The study results indicate that 6% HES 130/0.4
has a reliable volume effect, could contribute to significant human albumin savings and was safe and well tolerated up
to a maximum dose of 50 mL/kg body weight in adult and pediatric patients undergoing major elective surgery.
Keywords: High Dose; Volume Effect; Safety; 6% Hydroxyethyl Starch 130/0.4; Elective Surgery; Multi-Center Study
1. Introduction
Colloid solutions are indicated for the treatment of hy-
povolemia and to maintain adequate circulating blood
volume in patients undergoing surgery, experiencing
trauma, or in intensive care. Among the available syn-
thetic colloids, hydroxyethyl starch (HES) has been
shown to have the lowest incidence of anaphylactoid
reactions [1]. With the latest third generation, so called
tetrastarches or HES 130/0.4, a major advancement par-
ticularly in respect of safety issues has been achieved
over recent years. This advancement leads to a more
rapid metabolization and degradation of HES molecules
and thus to a minimal plasma accumulation even after
repeated administration of HES 130/0.4 [2]. In addition,
the influence on the coagulation system has been mini-
mized [3]. Several studies confirmed that HES 130/0.4
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The Volume Effect and Safety of 6% Hydroxyethyl Starch 130/0.4 in Patients Undergoing
Major Elective Surgery: An Uncontrolled, Open-Labeled, Multi-Center Study
327
does not result in deterioration in kidney function [4] in
surgery even in those patients who are prone to acute
renal failure [5]. Interestingly, despite the more rapid
metabolization and the higher urinary excretion rate of
HES 130/0.4 the duration of volume effect has been pre-
served comparable to that of pentastarches, such as HES
200/0.5 [6].
The usage of the currently available HES 70/0.5 solu-
tion in Japan is limited to doses up to 20 mL/kg body
weight (adult patients) or up to 10 mL/kg body weight
(pediatric patients). In patients exceeding this dose limi-
tation and requiring additional colloid loading, human
albumin is recommended according to Japanese guide-
lines for transfusion (2007-revised 2005 guideline for
usage of blood products by the Japanese Ministry of
Health, Labor and Welfare). Consequently, the need to
infuse human albumin may be reduced or avoided once
the current dose limitation of HES 70/0.5 is reached if
the infusion of larger volumes of HES 130/0.4 up to
doses of 50 mL/kg BW would be possible in Japan like
in most other countries worldwide. Consequently the re-
duction or avoidance of albumin infusions may also lead
to considerable cost-savings.
Therefore, the aim of this study was to show the vol-
ume effect of 6% HES 130/0.4 and to demonstrate the
safety of doses up to 50 mL/kg body weight in Japanese
patients undergoing major elective surgery with an ex-
pected blood loss 1000 mL in adults and 15 mL/kg
body weight in pediatric patients, respectively.
2. Materials and Methods
2.1. Study Design
In this prospective, uncontrolled, open-labeled, multi-
center trial a total of 20 patients were screened and en-
rolled into the study. All 20 patients were treated with
6% HES 130/0.4 and analyzed for efficacy and safety
variables. Inclusion criteria were patients undergoing
major elective surgery, with an expected blood loss of
1000 mL in the case of adults (20 years of age) or 15
mL/kg (pediatric patients <20 years of age), a routine
measurement of CVP (adult patients only) and a written
informed consent and assent, if applicable. No restriction
was placed on surgical procedures. Patients were ex-
cluded if they fulfilled the following exclusion criteria:
participation in a clinical trial within the last 4 months
from the day of administration of HES 130/0.4, known or
suspected allergy to hydroxyethyl starch including its
ingredients and related drugs, American Society of An-
esthesiologists (ASA) classification IV, (in the case of
adults) renal failure with oliguria (<400 mL urine/24
hours) and anuria or (in the case of pediatric patients)
renal failure with oliguria and anuria not related to hy-
povolemia, receiving dialysis treatment, known bleeding
disorders, fluid overload, intracranial bleeding, severe
hypernatremia, severe hyperchloremia, known pregnancy,
ineligibility at the discretion of the investigator.
6% HES 130/0.4 (Voluven®, Fresenius Kabi, Bad
Homburg, Germany) was administered intravenously to
maintain or restore hemodynamic parameters up to a
maximum dose of 50 mL/kg body weight. Before skin
incision, no colloid solutions were to be used. Following
a treatment algorithm (Figure 1) HES 130/0.4 was ad-
ministered during the investigational period with an infu-
sion rate of 250 to 500 mL in about 15 to 30 minutes,
from the start of surgery (skin incision) until 2 h (±15
min) after end of surgery. After reaching the dose limit of
50 mL/kg BW of HES 130/0.4, human albumin 4.4% or
5% was used exclusively as colloid in case the patient
required additional colloids. In addition, a sufficient fluid
therapy had to be administered as basic infusion of crys-
talloids .During the whole study period, transfusion re-
quirements for blood products followed 2007-revised
2005 Guideline for usage of blood products by MHLW.
2.2. Investigations and Assessments
Hemodynamic stability was defined as a systolic blood
pressure of not more than 30% below the baseline value
and evaluated by end of surgery, 2 hours after surgery
and 24 hours after surgery.
Systolic/diastolic blood pressure (SBP/DBP), mean
arterial pressure (MAP), heart rate (HR) and central ve-
nous pressure (CVP, in adults and preferable in pediatric
patients) were measured immediately before induction of
anesthesia, in the case of adults, and the day before in-
duction of anesthesia, in the case of pediatric patients,
until 48 h after the end of surgery.
Fluid balance was determined by fluid input catego-
rized as HES 130/0.4, 4.4% human albumin, 5% human
albumin, commercial colloid, crystalloids, predeposit
autologous blood, salvaged autologous blood, homolo-
gous packed red blood cells, fresh frozen plasma, plate-
lets, and other minus fluid output categorized as urine
output, blood loss [suction], and blood loss [from cloth-
weight calculation]).
Laboratory parameters were measured at baseline, at
end of surgery as well as 2 and 24 hours after surgery,
and also as last value available and included following
parameters: hematology (hematocrit, hemoglobin, and
platelets), serum clinical chemistry (creatinine, blood
urea nitrogen (BUN), total bilirubin (only adult patients),
glucose, total protein, albumin, sodium, potassium, chlo-
ride, GOT/AST, GPT/ALT, lactate dehydrogenase (LDH,
only adult patients), γ-GT (only adult patients), and amy-
lase), and hemostasis (international normalized ratio
INR), activated partial thromboplastin time (aPTT), fi- (
Copyright © 2013 SciRes. OJAnes
The Volume Effect and Safety of 6% Hydroxyethyl Starch 130/0.4 in Patients Undergoing
Major Elective Surgery: An Uncontrolled, Open-Labeled, Multi-Center Study
Copyright © 2013 SciRes. OJAnes
328
Figure 1. Algorithm for 6% HES 130/0.4 administration.
brinogen, factor VIII activity (only adult patients), and
von Willebrand factor antigen (only adults patients).
ECG was determined until 24 hours after surgery. Lo-
cal and systemic tolerance was evaluated as good, mod-
erate or poor until 2 hours after surgery, and adverse
events were followed-up for 28 days after surgery.
2.3. Statistics
The primary efficacy endpoint was the volume effect of
6% HES 130/0.4 determined by 1) the volume of the
saved albumin during the investigational period and 2)
the time course of hemodynamic stability stratified by
adult and pediatric patients. Saved albumin was defined
as the amount of HES 130/0.4 administered during the
investigational period after 1000 mL for adults and 10
mL/kg for pediatric patients had been reached The defi-
nition was based on the assumption that 1 mL adminis-
tered HES would save 1 mL human albumin that would
have been used once the dose limit for HES had been
The Volume Effect and Safety of 6% Hydroxyethyl Starch 130/0.4 in Patients Undergoing
Major Elective Surgery: An Uncontrolled, Open-Labeled, Multi-Center Study
329
reached. Saved albumin was only analyzed in patients
receiving more HES 130/0.4 than the current dose limita-
tion of 6% HES 70/0.5.
Only descriptive methods were used. The variables
were summarized by age (adult and pediatric patients)
with the number of non-missing observations (n), arith-
metic mean, standard deviation (SD), median and ranges.
Changes from baseline were calculated and summarized
by time point for all post-baseline values and the indi-
vidually determined last available post-baseline value.
3. Results
3.1. Efficacy
Fifteen adult and 5 pediatric Japanese patients were as-
sessed for both efficacy and safety. The demographic
data for the adult and pediatric patient populations
treated with HES 130/0.4 are shown in Table 1, informa-
tion on individual type and time of surgery and presented
in Table 2. Adult patients underwent different types of
abdominal surgery, with a majority of patients undergo-
ing liver surgery (7 patients). All pediatric patients were
liver transplanted (living donor transplantation).
All patients received % HES 130/0.4. For 12 out of 15
adult patients an average amount of 1033.8 mL (18.6
ml/kg) albumin was saved, whereas 3 adult patients did
not receive more than 1000 mL of 6% HES 130/0.4. All
pediatric patients received about 50 mL/kg of HES
130/0.4; for these 5 pediatric patients a mean volume of
652.7 ml (39.9 mL/kg body weight) albumin was saved
(Table 3).
The summary of hemodynamic stability is shown in
Table 4. Overall, the majority of adult patients and all
pediatric patients were hemodynamically stable at all
time points.
3.2. Safety
3.2.1. Fluid Input and Outp ut
The data for fluid input and output are shown in Table 5 .
When expressed in terms of mL/kg body weight, adult
patients received a mean of 32.0 mL/kg of 6% HES
130/0.4. All pediatric patients received about 50 mL/kg
6% HES 130/0.4. Five adult patients and 3 pediatric pa-
tients required additional colloids for hemodynamic sta-
bilization, which was 5% human albumin in all cases.
Mean total input was 12,091 mL for the adult patients
and 7584 mL for the pediatric patients. Total overall
fluid output had a mean value of 7860 mL in adult pa-
tients and 5600 mL in the pediatric patients. Overall,
fluid balance was positive in all patients.
3.2.2. Laboratory Parameters
Tables 6-8 summarize the data for the laboratory pa-
Table 1. Demographic data.
Variable Adult patients
(N = 15) Pediatric patients
(N = 5)
Age (years)
N 15 5
Mean (SD) 71.0 (7.2) 4.8 (4.4)
Range 57 - 80 0 - 11
Sex, n (%)
Male 11 (73.3) 1 (20.0)
Female 4 (26.7) 4 (80.0)
Height (cm)
N 15 5
Mean (SD) 161.72 (9.25) 100.24 (30.90)
Range 145.1 - 177.1 66.2- 135.8
Weight (kg)
N 15 5
Mean (SD) 59.24 (12.63) 16.33 (8.26)
Range 40.1 - 85.0 7.3 - 28.8
Blood group, n (%)
A 4 (26.7) 1 (20.0)
B 2 (13.3) 1 (20.0)
AB 2 (13.3) 0 (0.0)
0 7 (46.7) 3 (60.0)
ASA classification, n (%)
I 3 (20.0) 0 ( 0.0)
II 11 (73.3) 3 (60.0)
III 1 (6.7) 2 (40.0)
rameters monitored during the investigational period.
Regarding hematology parameters (Table 6) median
values for hematocrit, hemoglobin, and platelets showed
major decreases from baseline for adult and pediatric
patients and were still below baseline values at 24 hours.
The analysis of hemostasis parameters (Table 7) re-
vealed increases of INR and aPTT for both patient
groups, which was even stronger for pediatric than for
adult patients. For adults, the strongest increase for both
parameters occurred at the end of surgery followed by a
decrease until 2 h after surgery whereas for pediatric pa-
tients the strongest increase was observed 2 hours after
the end of surgery. In pediatric patients, values nearly
returned to baseline level for the last available value.
Fibrinogen showed strong decreases in the median for
Copyright © 2013 SciRes. OJAnes
The Volume Effect and Safety of 6% Hydroxyethyl Starch 130/0.4 in Patients Undergoing
Major Elective Surgery: An Uncontrolled, Open-Labeled, Multi-Center Study
Copyright © 2013 SciRes. OJAnes
330
Table 2. List of individual surgeries.
Patient Age Sex Weight (kg)Type of surgery Duration of
surgery (min)
1 79 years Male 53.7
Total pelvic exenteration with Urethrectomy Ileal
conduit diversion Colostomy 705
2 59 yeasr Male 85.0
Laparoscopic Rt radical nephroureterectomy Radical
cystectomy Ileal neobladdar reconstruction 563
3 62 years Male 70.9 Radical cystectomy Ileal conduit diversion 485
4 72 years Male 53.3
Total gastrectomy Patial resection of jejunum Constrution
of the tube jejunostomy Splenectomy, chole 430
5 80 years Male 51.4 Left partial nephrectomy 203
6 67 years Female 46.6
Segmentectomy (Segmentum posterius hepatitis)
Partial gastrectomy 245
7 57 years Female 44.4 Partial Liver resection (S1, S2) 240
8 70 years Male 53.6
caudate lobectomy, extra hepatic bile duct resection
Splenectomy, left hepatectomy 480
9 76 years Male 66.2 Partial hepatic Resection (S4) 161
10 74 years Female 40.1 Biliary reconstruction Partial hepatic resection 630
11 79 years Male 63.1 Hepatectomy 498
12 75 years Female 49.9 Total cystectomy, Ileal conduit. 526
13 69 years Male 66.7 Left lateral segmentectomy 182
14 71 years Male 70.2 Pancreaticoduodenectomy 387
15 75 years Male 73.5 Pancreaticoduodenectomy 421
16 1 year 3 months (481 days) Female 10.8 Living donor liver transplantation 467
17 11 years 5 months (4177 days) Male 28.8 Living donor liver transplantation 550
18 0 years 7 months (222 days) Female 7.3 Living donor liver transplantation 420
19 6 years 10 months (2496 days) Female 16.3 Living donor liver transplantation 380
20 6 years 10 months (2498 days) Female 18.5 Living donor liver transplantation 451
Table 3. Volume of Saved Albumin* in Patients Receiving
more than 1000 mL (adults) or 10 mL (pediatrics) of 6%
HES 130/0.4.
Unit Statistic
Adult patients
(N = 12) Pediatric patients
(N = 5)
mL Mean (SD) 1033.8 (499.7) 652.7 (331.3)
Median 1000.0 652.0
Range 500 - 2000 287.5 - 1152.0
mL/kg body weight Mean (SD) 18.6 (9.7) 39.9 (0.2)
Median 17.1 40.0
Range 6.8 - 31.7 39.7 - 40.0
*Saved albumin was calculated as the volume of study drug administered
during the investigational period minus the dose limit.
Table 4. Hemodynamic stability*.
Adult patients
(N = 15) Pediatric patients
(N = 5)
Time point n (%) N (%)
End of surgery 10 (66.7) 5 (100.0)
2 h after end of surgery 15 (100.0) 5 (100.0)
Follow-up 24 hours after
end of surgery 13 (86.7) 5 (100.0)
At exactly 1 time point 2 (13.3) 0 (0.0)
At exactly 2 time points3 (20.0) 0 (0.0)
At all 3 time points 10 (66.7) 5 (100.0)
*Hemodynamic stability is defined as a systolic blood pressure of not more
than 30% below baseline.
The Volume Effect and Safety of 6% Hydroxyethyl Starch 130/0.4 in Patients Undergoing
Major Elective Surgery: An Uncontrolled, Open-Labeled, Multi-Center Study
331
Table 5. Fluid input and output (mL).
Adult patients Paediatric patients
N MeanSD Range N Mean SD Range
Including only components > 0 mL
Fluid input
6% HES 130/0.4 15 1794 675 500 - 3000 5 816 414 360 - 1440
4.4% human albumin 0 0
5% human albumin 5 1000 884 250 - 2500 3 407 121 270 - 500
Commercial colloid (25% albumin) 1 100 100 - 100 5 81 43 44 - 149
Crystalloids 15 8113 2375 4350 - 12,1345 6256 2070 4167 - 9401
Predeposit autologous blood 1 650 650 - 650 0
Salvaged autologous blood 1 1200 1200 - 1200 0
Homologous packed red blood cells 9 1602 1207 260 - 3780 4 208 159 60 - 430
Fresh frozen plasma 8 1294 938 240 - 3360 1 107 107 - 107
Platelets 2 525 177 400 - 650 0
Total other input 0 0
Study drug plus rescue colloid 15 2127 1099 750 - 4500 5 1060 340 810 - 1440
Total colloid input 15 2134 1095 750 - 4500 5 1141 377 859 - 1574
Total input 15 12,0914691 5350 - 22,7545 7584 2308 5336 - 10,933
Fluid output
Urine output 15 4624 1506 2015 - 6909 5 3696 1728 1417 - 5719
Blood loss (suction) 15 2854 2209 300 - 8810 5 315 197 20 - 535
Blood loss (from cloth-weight calculation) 4 650 597 180 - 1485 5 188 235 20 - 595
Total blood loss 15 3027 2390 300 - 8810 5 503 393 100 - 1130
Total other output 5 627 684 158 - 1837 5 1400 606 748 - 2367
Total output 15 7860 2905 3351 - 14,2865 5600 1902 3144 - 7092
Balance
Fluid balance 15 4231 2528 672 - 10,174 5 1984 1190 591 - 3842
both patient subgroups at the end of surgery and 2 hours
later. For adult patients, the median decrease was less
pronounced at 24 hours, while for pediatric patients there
was still a major decrease at 24 hours which, however,
returned to nearly the baseline level for the last available
value.
Compared to baseline, Factor VIII activity was strong-
ly decreased at the end of surgery, still slightly decreased
2 hours later and slightly increased at 24 hours. Von
Willebrand factor antigen was strongly decreased at the
end of surgery. The median values were nearly back to
baseline values 2 hours after surgery and increased from
baseline at 24 hours after surgery.
The analysis of clinical chemistry parameters indicated
that median creatinine and BUN values basically re-
mained stable from baseline to the end of surgery and at
24 hours for adult and pediatric patients. Total bilirubin
was nearly unchanged at the end of surgery and increased
at 24 hours. Glucose showed increases in the median for
adult patients and stronger increases for pediatric patients
after surgery. Median total protein and albumin showed
decreases for each patient group at all post-baseline time
points. In pediatric patients, the decrease was smaller for
the last available value. Sodium and potassium showed
only small median changes in adults. Transiently, there
was a significant increase in sodium in pediatric patients
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The Volume Effect and Safety of 6% Hydroxyethyl Starch 130/0.4 in Patients Undergoing
Major Elective Surgery: An Uncontrolled, Open-Labeled, Multi-Center Study
332
Table 6. Summary of hematology parameters.
Adult patients (N = 15) Pediatric patients (N = 5)
Parameter (unit) Absolute values Change from baselineAbsolute values Change from baseline
Time point N Median N Median N Median N Median
Hematocrit (%)
Baseline 15 39.30 5 33.90
1 h after start of surgery 15 26.50 15 6.40
2 h after start of surgery 15 24.80 15 8.50
End of surgery 15 26.30 15 11.60
2 h after end of surgery 15 31.60 15 9.50 5 30.30 5 3.50
Follow-up 24 hours 15 31.60 15 6.90 5 30.40 5 7.60
Last available value 15 31.60 15 6.90 5 29.20 5 7.80
Hemoglobin ( g /dL)
Baseline 15 13.20 5 11.70
1 h after start of surgery 15 8.80 15 2.30
2 h after start of surgery 15 8.20 15 3.10
End of surgery 15 9.10 15 4.00
2 h after end of surgery 15 10.30 15 2.60 5 10.50 5 1.20
Follow-up 24 hours 15 10.50 15 1.80 5 9.90 5 1.70
Last available value 15 10.50 15 1.80 5 9.80 5 1.80
Platelets (104/µL)
Baseline 15 18.50 5 31.40
End of surgery 15 12.60 15 8.00
Follow-up 24 hours 15 11.80 15 6.60 5 12.00 5 11.70
Last available value 15 11.80 15 6.60 5 12.00 5 11.70
2 hours after end of surgery. Median chloride increased
at the end of surgery (adult patients) and 2 hours after
end of surgery (pediatric patients), and returned close to
the baseline values at 24 hours.
Both GOT/AST and GPT/ALT showed strong median
increases after surgery, in particular in pediatric patients
with very high median values for GOT/AST and
GPT/ALT two hours post-surgery and the next 24 h. This
observation should be regarded in the context that all
pediatric patients had a liver transplantation and an in-
crease of transaminases may be seen as a normal physio-
logical adaptation after surgery. For the last available
value, which includes additional follow-up measure-
ements, GOT/AST and GPT/ALT levels of the trans-
planted livers were within the normal ranges in pediatric
patients. Seven adult patients underwent a liver surgery
during this study. Due to the type of surgery, high
GOT/AST and GPT/ALT values occurred particularly in
these patients, as well as in two patients with pancreatico-
duodenectomy. Median LDH (only adult patients) slight-
ly increased at the end of surgery and more pronounced
at 24 hours. Median γ-GT (only adult patients) decreased
at the end of surgery, whereas the values were slightly
increased at 24 hours. Median value of amylase was
nearly unchanged at the end of surgery. Thereafter it
strongly increased in both patient groups, mainly at 24
hours and decreased thereafter. Overall, the analyzed
laboratory parameters did not reveal any safety concern
with regard to the administration HES 130/0.4.
The analysis of ECG parameters did not reveal impor-
tant changes and local and systemic tolerance of HES
130/0.4 was always assessed as good (data not shown).
3.3. Adverse Events
No adverse event led to discontinuation of the admini-
stration of 6% HES 130/0.4. The most frequent reported
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The Volume Effect and Safety of 6% Hydroxyethyl Starch 130/0.4 in Patients Undergoing
Major Elective Surgery: An Uncontrolled, Open-Labeled, Multi-Center Study
333
Table 7. Summary of hemostasis parameters.
Adult patients (N = 15) Pediatric patients (N = 5)
Parameter (unit) Absolute values Change from baselineAbsolute values Change from baseline
Time point N Median N Median N Median N Median
INR (1/1)
Baseline 15 1.010 5 1.060
End of surgery 14 1.230 14 0.225
2 h after end of surgery 15 1.180 15 0.120 4 2.020 4 0.890
Follow-up 24 hours 15 1.140 15 0.160 5 1.940 5 0.840
Last available value 15 1.140 15 0.160 5 1.150 5 0.080
aPTT (sec)
Baseline 15 33.50 5 29.30
End of surgery 15 40.60 15 9.10
2 h after end of surgery 15 33.90 15 1.90 5 70.40 5 41.20
Follow-up 24 hours 15 35.30 15 1.00 5 49.50 5 20.30
Last available value 15 35.30 15 1.00 5 31.60 5 2.00
Fibrinogen (mg/dL)
Baseline 15 350.0 5 226.0
End of surgery 15 184.0 15 152.0
2 h after end of surgery 15 219.0 15 130.0 5 67.0 5 153.0
Follow-up 24 hours 15 329.0 15 20.0 5 144.0 5 93.0
Last available value 15 329.0 15 20.0 5 205.0 5 16.0
Factor VIII activity (%)
Baseline 15 155.90
End of surgery 15 90.00 15 71.20
2 h after end of surgery 15 126.70 15 17.50
Follow-up 24 hours 15 158.90 15 6.30
Last available value 15 158.90 15 6.30
von Willebrand fact. antigen (%)
Baseline 15 168.0
End of surgery 15 114.0 15 52.0
2 h after end of surgery 15 158.0 15 0.0
Follow-up 24 hours 15 201.0 15 33.0
Last available value 15 201.0 15 33.0
adverse event for adults was “blood amylase increased”,
which occurred in all 7 adult patients with adverse events
related to the study medication and is an established and
well-known effect of the administration of starches. In
pediatric patients, the most common reported adverse
event was an abnormality in serum electrolytes. All 5
pediatric patients had an increased blood chloride level, 4
patients had abnormal or increased sodium levels, and 2
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The Volume Effect and Safety of 6% Hydroxyethyl Starch 130/0.4 in Patients Undergoing
Major Elective Surgery: An Uncontrolled, Open-Labeled, Multi-Center Study
334
Table 8. Summary of clinical chemistry parameters.
Adult patients (N = 15) Pediatric patients (N = 5)
Parameter (unit) Absolute values Change from baselineAbsolute values Change from baseline
Time point N Median N Median N Median N Median
Creatinine (mg/dL)
Baseline 15 0.80 5 0.24
End of surgery 15 0.80 15 0.04
2 h after end of surgery 5 0.25 5 0.02
Follow-up 24 hours 15 0.96 15 0.08 5 0.18 5 0.02
Last available value 15 0.96 15 0.08 5 0.18 5 0.02
BUN (mg/dL)
Baseline 15 15.00 5 7.00
End of surgery 15 14.00 15 1.30
2 h after end of surgery 5 7.30 5 0.70
Follow-up 24 hours 15 18.40 15 2.00 5 6.30 5 0.70
Last available value 15 18.40 15 2.00 5 6.30 5 0.70
Total bilirubin (mg/dL)
Baseline 15 0.89
End of surgery 15 1.00 15 0.10
Follow-up 24 hours 15 1.50 15 0.58
Last available value 15 1.50 15 0.58
Glucose (mg/dL)
Baseline 15 114.0 5 99.0
End of surgery 15 128.0 15 17.0
2 h after end of surgery 5 181.0 5 90.0
Follow-up 24 hours 15 142.0 15 28.0 5 161.0 5 61.0
Last available value 15 138.0 15 23.0 5 161.0 5 61.0
Total protein (g/dL)
Baseline 15 6.60 5 6.30
End of surgery 15 3.80 15 2.90
2 h after end of surgery 5 3.40 5 2.70
Follow-up 24 hours 15 4.60 15 1.80 5 3.90 5 2.20
Last available value 15 4.60 15 1.80 5 5.60 5 0.70
Albumin (g/dL)
Baseline 15 3.70 5 3.80
End of surgery 15 2.20 15 1.40
2 h after end of surgery 5 2.90 5 1.00
Follow-up 24 hours 15 2.70 15 1.00 5 2.70 5 1.10
Last available value 15 2.70 15 1.00 5 3.70 5 0.30
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Continued
Sodium (mEq/L)
Baseline 15 140.0 5 139.0
End of surgery 15 141.0 15 1.0
2 h after end of surgery 5 148.0 5 9.0
Follow-up 24 hours 15 138.0 15 1.0 5 138.0 5 0.0
Last available value 15 138.0 15 1.0 5 139.0 5 0.0
Potassium (mEq/L)
Baseline 15 4.20 5 4.50
End of surgery 15 4.10 15 0.10
2 h after end of surgery 5 4.00 5 0.40
Follow-up 24 hours 15 4.10 15 0.00 5 4.10 5 0.40
Last available value 15 4.10 15 0.00 5 4.10 5 0.40
Chloride (mEq/L)
Baseline 15 106.0 5 107.0
End of surgery 15 112.0 15 6.0
2 h after end of surgery 5 119.0 5 14.0
Follow-up 24 hours 15 108.0 15 3.0 5 105.0 5 0.0
Last available value 15 108.0 15 3.0 5 105.0 5 0.0
GOT/AST (U/L)
Baseline 15 28.0 5 64.0
End of surgery 15 78.0 15 44.0
2 h after end of surgery 5 761.0 5 727.0
Follow-up 24 hours 15 89.0 15 63.0 5 584.0 5 434.0
Last available value 15 89.0 15 63.0 5 34.0 5 39.0
patients had increased blood amylase. None of these ad-
verse events was serious. One adult patient died 12 days
after surgery, but the death was assessed as being unre-
lated to the administration of 6% HES 130/0.4.
4. Discussion
In this study, the infusion of high volumes of up to 50
mL/kg BW of 6% HES 130/0.4 was shown to be effica-
cious and safe in adult and pediatric patients undergoing
major elective surgery.
Based on the obtained findings it is assumed that con-
siderable potential savings of human albumin are possi-
ble if the internationally approved maximum dose of 50
mL/kg BW of 6% HES 130/0.4 would also be possible in
Japan. For 12 of the 15 adult patients in need of addi-
tional colloid solution, approximately 1000 mL albumin
could be saved, and about 650 mL in pediatric patients.
In the present study the savings of human albumin are
based on the assumption that 6% HES 130/0.4 and 5%
human albumin have the same volume effect in adults
and children. Comparable efficacy of both colloids has
been previously demonstrated in several studies among
different age groups of patients and clinical settings. In a
study by Standl et al. (2008) [7] comparable volumes of
6% HES 130/0.4 and 5% human albumin were infused in
82 small infants (<2 years) undergoing non-cardiac sur-
gery to restore or maintain hemodynamic stabilization.
Hanart et al. (2009) [8] compared the effects of 6% HES
130/0.4 and 4% human albumin on perioperative blood
loss and intraoperative volume requirements in 119 pedi-
atric patients undergoing cardiac surgery. Both groups
received comparable high volumes of both colloids (50
ml/kg), and measured or calculated blood losses were
similar between both groups. A recent study [9] con-
Copyright © 2013 SciRes. OJAnes
The Volume Effect and Safety of 6% Hydroxyethyl Starch 130/0.4 in Patients Undergoing
Major Elective Surgery: An Uncontrolled, Open-Labeled, Multi-Center Study
336
firmed these results comparing 6% HES 130/0.4 and 5%
human albumin in 60 patients undergoing cardiac surgery.
Both groups received similar volumes for intraoperative
volume requirements (mean in both groups 36 ml/kg),
and no differences in transfusion requirements or blood
loss were found.
Almost all patients were hemodynamically stable at all
time points. Direct comparison of 6% HES 130/0.4 and
5% human albumin in adult surgical patients is scarce.
Gondos et al. (2010) [10] compared the hemodynamic
effects of 6% HES 130/0.4, 5% human albumin, 4%
gelatin and Ringer’s lactate in a fluid challenge with 10
ml/kg infused within 30 minutes in postoperative hypo-
volemic patients. They concluded that the hemodynamic
effects of 6% HES 130/0.4 were at least similar to 5%
human albumin. Langeron et al. (2001) [11] and Gandhi
et al. (2007) [12] could demonstrate equivalence of 6%
HES 130/0.4 with 6% HES 200/0.5 or 6% HES 450/0.7
in volume needed to restore or maintain hemodynamics
during orthopedic surgery. Vogt et al. (1996) [13] com-
pared 6% HES 200/0.5 with 5% human albumin and
demonstrated similar volume needs to stabilize hemody-
namics. Thus, it can be assumed that the volume effects
of 6% HES 130/0.4 and 5% human albumin are similar,
and a 1:1 exchange of volumes as calculated in our trial
seems to be a reasonable calculation. However, a larger
study directly comparing the volumes of 6% HES 13/0.4
with 5% human albumin needed to restore or maintain
hemodynamics is missing so far to confirm this assump-
tion.
With regard to safety, laboratory parameters as well as
the type, frequency, maximal intensity and outcome of
adverse events were consistent with what would be ex-
pected for a patient population undergoing major elective
surgery as in this study. No adverse event led to a dis-
continuation of HES 130/0.4 administration. In all pedi-
atric and 7 adult patients, there was a moderate to very
high increase in parameters associated with liver function;
in particular, transaminases. These individuals underwent
liver transplantation (all pediatric patients), partial he-
patictomy/lobectomy/segmentectomy or pancreatico-
duodectomy. Accordingly, the elevated liver function
parameters are to be interpreted as a reflection of the type
and extent of surgery carried out in these patients and do
not reveal any safety concern related to the administra-
tion of HES 130/0.4. The hemodilution effect of HES
130/0.4 associated with its mode of action was reflected
by significant changes in hematological and coagulation
parameters. The quick recovery of Factor VIII and vWF
in adults after surgery is in line with other findings
[3,11,12].
However, it is not possible to separate the effects of
profound bleeding from those attributable to hemodilu-
tion in an uncontrolled trial. Previous studies have shown
that at high dosages, dilution effects may result in a cor-
responding dilution of blood components such as coagu-
lation factors and other plasma proteins, and in a de-
crease of hematocrit [6,14]. It is known that various dis-
turbances of blood coagulation can occur depending on
the dosage of non-sanguineous fluid infused. Despite the
influence on coagulation of HES 130/0.4 has been sig-
nificantly reduced compared to other HES preparations
with regard to bleeding complications [15], the dilution
of blood and plasma factors must be taken into account
for any fluid therapy when large volumes (e.g. in cases of
massive traumatic or surgical blood loss) are adminis-
tered.
Overall, neither the laboratory parameters analyzed nor
the incidence of adverse events did reveal any new or
unexpected safety concern with regard to the administra-
tion of HES 130/0.4 in doses up to 50 mL/kg BW. James
et al. (2011) [16] reported that renal injury was lower in
the 6% HES 130/0.4 group as compared to normal saline,
though very high volumes (approx. 70 ml/kg) were in-
fused in trauma patients during initial resuscitation. Fur-
ther studies confirm the safe use of 6% HES 130/0.4
[17-20].
However, when interpreting results of this study some
limitations also have to be taken into account such as the
low patient number and the missing control group. Thus,
data can only be considered as explorative with respect to
volume effect and human albumin savings, and safety
conclusions are limited. In conclusion, in this trial it was
demonstrated that doses of up to 50 mL/kg BW 6% HES
130/0.4 are safe and well tolerated in adult and pediatric
patients undergoing major elective surgery. 6% HES
130/0.4 showed the expected and reliable volume effect
in all evaluable adult and pediatric patients and could
contribute to potential savings of human albumin infu-
sion.
5. Conflict of Interest
Voluven® is a product of Fresenius Kabi. Dr. Frank Bep-
perling is an employee of this company, and Dr. Mi-yao
is a Medical Consultant to this company.
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