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Trial registered on ANZCTR
Registration number
ACTRN12616000252415
Ethics application status
Approved
Date submitted
14/01/2016
Date registered
23/02/2016
Date last updated
23/02/2016
Type of registration
Retrospectively registered
Titles & IDs
Public title
Maternal cardiac effect of Hydroxyethyl Starch (HES) using LiDCO in cesarean section
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Scientific title
Maternal cardiac effect of hydroxyethyl starch(HES) solution at different time using the LiDCO rapid system in cesarean section
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Secondary ID [1]
288310
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None
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Universal Trial Number (UTN)
U1111-1178-4313
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
pregnancy requiring caesarean section
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cardiac effect
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Condition category
Condition code
Anaesthesiology
297469
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0
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Anaesthetics
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Reproductive Health and Childbirth
297821
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0
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Childbirth and postnatal care
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Cardiovascular
297822
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0
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Other cardiovascular diseases
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
A rapid intravenous infusion of 6% hydroxyethyl starch solution HES 130/0.4 250ml was administered immediately before and the other after spinal anesthesia. Group P is the intervention group, who received HES 250ml immediately prior to spinal anaesthesia. Group A is the control group, who received HES 250ml immediately following spinal anaesthesia. Dose administered and logged by anaesthetist.
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Intervention code [1]
293604
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Treatment: Drugs
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Comparator / control treatment
Sixty patients undergoing selective cesarean section, aged 20 to 30 years old, were randomly divided into group P and group A.Group P is the intervention group, who received HES 250ml immediately prior to spinal anaesthesia. Group A is the control group, who received HES 250ml immediately following spinal anaesthesia.
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Control group
Active
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Outcomes
Primary outcome [1]
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Cardiac output (CO) assessed using LiDCO rapid (arterial pressure waveform analysis).
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Assessment method [1]
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Timepoint [1]
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Baseline (T0), immediately after spinal anesthesia (T1), skin incision (T2), neonates delivery (T3), the placenta delivery (T4), immediately after injection of oxytocin on uterine muscle wall (T5), end of operation (T6)
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Primary outcome [2]
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Mean arterial pressure (MAP) assessed using LiDCO rapid (arterial pressure waveform analysis).
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Assessment method [2]
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Timepoint [2]
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Baseline (T0), immediately after spinal anesthesia (T1), skin incision (T2), neonates delivery (T3), the placenta delivery (T4), immediately after injection of oxytocin on uterine muscle wall (T5), end of operation (T6)
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Primary outcome [3]
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Stroke volume (SV) assessed using LiDCO rapid (arterial pressure waveform analysis).
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Assessment method [3]
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Timepoint [3]
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Baseline (T0), immediately after spinal anesthesia (T1), skin incision (T2), neonates delivery (T3), the placenta delivery (T4), immediately after injection of oxytocin on uterine muscle wall (T5), end of operation (T6)
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Secondary outcome [1]
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nausea, assessed using 5-point Likert Scale
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Assessment method [1]
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Timepoint [1]
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Every 10 minutes following spinal anaesthesia for 2 hours.
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Secondary outcome [2]
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headache, assessed using VAS pain score
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Assessment method [2]
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Timepoint [2]
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Every 10 minutes following spinal anaesthesia for 2 hours.
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Eligibility
Key inclusion criteria
(1) primiparas who underwent elective cesarean section (2)age of 20–30 years, (3) body weight of 60–90 kg, (4) ASA class 1–2, (5) no contraindications to spinal anesthesia.
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Minimum age
20
Years
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Maximum age
30
Years
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Sex
Females
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Can healthy volunteers participate?
No
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Key exclusion criteria
(1) multiple pregnancy, (2) height less than 150 cm, (3) placenta previa, (4) complications including diabetes mellitus, hypertensive diseases in pregnancy, etc. (5) contraindication to central neural blockade (patients refusal, raised intracranial pressure, hypovolemic states, abnormal coagulopathy).
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Study design
Purpose of the study
Prevention
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
central randomisation by computer
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Simple randomisation using a randomisation table created by computer software
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 4
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Type of endpoint/s
Safety/efficacy
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Statistical methods / analysis
ANOVA.
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
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Actual
7/05/2014
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Date of last participant enrolment
Anticipated
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Actual
30/07/2014
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
60
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Accrual to date
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Final
60
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Recruitment outside Australia
Country [1]
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China
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State/province [1]
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Liaoning
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Funding & Sponsors
Funding source category [1]
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Hospital
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Name [1]
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Department of anesthesiology of Shengjing Hospital of China Medical University
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Address [1]
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NO.36, Sanhao Street, Herping District, Shenyang, China,
postcode:110003
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Country [1]
292685
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China
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Primary sponsor type
Individual
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Name
Guang Han
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Address
NO.36, Sanhao Street, Herping District, Shenyang, China,110003
Department of Anesthesiology, Shengjing Hospital, China Medical University,
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Country
China
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Secondary sponsor category [1]
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Individual
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Name [1]
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Ping Zhao
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Address [1]
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NO.36, Sanhao Street, Herping District, Shenyang, China,110003
Department of Anesthesiology, Shengjing Hospital, China Medical University
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Country [1]
291408
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China
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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the ethics committee of Shengjing Hospital
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Ethics committee address [1]
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NO.36, Sanhao Street, Herping District, Shenyang, China,110003
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Ethics committee country [1]
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China
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Date submitted for ethics approval [1]
294158
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Approval date [1]
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04/05/2014
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Ethics approval number [1]
294158
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2014PS15K
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Summary
Brief summary
This study evaluated the maternal cardiac effect of hydroxyethyl starch(HES) solution when administrated preload or afterload in cesarean section under spinal anesthesia through minimally invasive arterial monitoring system LiDCO rapid. Sixty patients undergoing selective cesarean section, aged 20 to 30 years old, were randomly divided into pre-loading HES group (group P) and after-loading HES group (group A). Except a routine BP, ECG, SpO2 monitoring, every patient was connected to the LiDCO rapid (arterial pressure waveform analysis) to monitor CO. After establishing venous access, group P and group A were respectively administered a rapid intravenous infusion of 6% hydroxyethyl starch solution HES 130/0.4 250ml before or after spinal anesthesia within 5 min. The LiDCO monitoring system could record the indexes of heart rate (HR), cardiac output (CO), mean arterial pressure (MAP) and left ventricle stroke volume (SV) continuously. We compared these values at some time points and incidence of hypotension. Results Group P was significantly higher than group A in MAP,CO and SV at these time points including T1, T2 and T3 after spinal anesthesia (P<0.05). But it had not statistical difference in MAP, CO and SV at other points (P>0.05). There were no significant differences in HR between the two groups at all points(P>0.05). Phenylephrine requirements in group P were lower than group A(P<0.05). Conclusions Administering HES before spinal anesthesia could increase the CO, MAP, SV and prevent hypotension more effectively. So pre-loading fluid therapy might have more stable cardiac effect in cesarean section with spinal anesthesia.
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Trial website
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Trial related presentations / publications
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Public notes
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Attachments [1]
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/AnzctrAttachments/369915-Certification.doc
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Attachments [2]
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/AnzctrAttachments/369915-Fig 1.pdf
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Contacts
Principal investigator
Name
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Prof Ping Zhao
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Address
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NO.36, Sanhao Street, Herping District, Shenyang, China,110003
Department of Anesthesiology, Shengjing Hospital, China Medical University
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Country
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China
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Phone
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+86-024-25672468
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Fax
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Email
62718
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[email protected]
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Contact person for public queries
Name
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Guang Han
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Address
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NO.36, Sanhao Street, Herping District, Shenyang, China,110003
Department of Anesthesiology, Shengjing Hospital, China Medical University
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Country
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China
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Phone
62719
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+86-18940258839
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Fax
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Email
62719
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[email protected]
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Contact person for scientific queries
Name
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Guang Han
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Address
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NO.36, Sanhao Street, Herping District, Shenyang, China,110003
Department of Anesthesiology, Shengjing Hospital, China Medical University
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Country
62720
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China
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Phone
62720
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+86-18940258839
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Fax
62720
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Email
62720
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[email protected]
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No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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