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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03262480
Other study ID # MD/17.07.27
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date September 1, 2017
Est. completion date December 10, 2020

Study information

Verified date December 2020
Source Mansoura University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Although fluid therapy is of paramount value in anesthetic practice, there is no guideline available for perioperative fluid management in major abdominal surgery. So, there is a need to establish whether goal directed fluid therapy protocol is effective during radical cystectomy and urinary diversion. A balance of perioperative fluid therapy is crucial, yet the method to achieve this equilibrium remains a highly debated subject. Therefore, this study will be designed to investigate the effects of two individualized goal directed fluid therapy during radical cystectomy to encourage an effective circulating blood volume and pressure. Accordingly, as a primary outcome, the investigators assume that stroke volume optimization could maintain better perioperative hemodynamic stability with low incidence and severity of hypotensive episodes together with achievement of maximal oxygenation. Hopefully this regimen could help to decrease the possibility of perioperative tissue hypoperfusion and the possible associated complications as a secondary outcome.


Description:

Study protocol: Patients will be randomly assigned to one of two equal groups, according to computer-generated randomization sequence into: - Stroke volume optimization group (SVO group). - Central venous pressure dynamic group(CVPdyngroup). Stroke volume optimization group (SVO group): Colloid aliquots of 200 ml 6% hydroxy ethyl starch 130/ 0.4 (Voluven, Fresenius kabi, Deutschland GmbH, Bad Homburg, Germany) will be administered within 10 minutes and stroke volume response will be recorded .If stroke volume increase by more than 10 % for 20 minutes, the aliquot will be repeated. No further aliquots will be given once stroke volume failed to increase >10%. The last stroke volume without rise of > 10% will be defined as optimum stroke volume (SVopt).When stroke volume decreases by 10% below (SVopt), this will be defined as trigger stroke volume (SVT). Stroke volume will be followed every 30 minutes during surgery and every 4 hours for 24 hours postoperatively . Central venous pressure dynamic group (CVPdyn group): Colloid aliquots of 200 ml 6% hydroxy ethyl starch 130/ 0.4(Voluven) will be administered within 10 minutes and CVP response will be recorded. If CVP failed to rise sustainably for more than 2 mmHg for 20 minutes, the aliquot will be repeated. No further aliquots will be given once CVP increases more than 2 mmHg above the recorded one.The last CVP with sustained rise of>2 mmHg will be defined as CVP maximum (CVPmax).When CVP decrease below (CVPmax)by 3 mmHg, this will be defined as trigger CVP (CVPT).CVP will be followed every 30 min during surgery and every 4 hours for 24 hours postoperatively


Recruitment information / eligibility

Status Completed
Enrollment 172
Est. completion date December 10, 2020
Est. primary completion date August 1, 2020
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Adult patients with American Society of Anesthesiologists (ASA) physical status I - II scheduled for radical cystectomy and urinary diversion for muscle invasive urinary bladder carcinoma . - Both sexes Exclusion Criteria: - Patients younger than 18 years - Body mass index (BMI) < 25 and >35. - Patients with any contraindications to epidural anesthesia (patient refusal, local skin infection, previous spine surgery and coagulopathy). - Those with known allergy to local anesthetics. - Patients with major cardiovascular problems with ejection fraction < 40 . - Renal impairment with serum creatinine >1.8 mg/dl - Patients with hepatic dysfunction will be excluded.

Study Design


Related Conditions & MeSH terms


Intervention

Other:
stroke volume optimization
Hemodynamic variables including stroke volume (SV), stroke volume variation (SVV), stroke volume index (SVI), cardiac output (COP), cardiac index (CI), systemic vascular resistance (SVR), systemic vascular resistance index (SVRI), thoracic fluid content (TFC), corrected flow time (FTC), index of contractility (ICON), systolic time ratio (STR), oxygen delivery (DO2) and oxygen delivery index (DO2I) will be measured by Cardiac output non-invasive monitor (ICONTM, OSYPKA medical cardiotronic GMBH, Elixir, Germany). Heart rate (HR), mean arterial blood pressure (MAP), central venous pressure (CVP) and arterial oxygen saturation (Sao2) will be measured using HP monitor. If mean arterial blood pressure(MAP) drops below 65 mmHg despite achievement of SVopt and CVPmax in both groups, a bolus dose of 5 mg ephedrine will be given and repeated as needed .Norepinephrine will be given for persistent hypotension.Dobutamine 5 mic/kg/min will be started if cardiac index less than 2.5 l/m2.

Locations

Country Name City State
Egypt Urology and nephrology center Mansoura El-Dakahlia

Sponsors (1)

Lead Sponsor Collaborator
Mansoura University

Country where clinical trial is conducted

Egypt, 

Outcome

Type Measure Description Time frame Safety issue
Primary Perioperative hypotension Mean arterial blood pressure < 65mmHg perioperative
Primary Maximal tissue oxygenation Oxygen delivery index > 550 ml/min/m2 perioperative
Secondary Medical postoperative complication Acute kidney injury (AKI) . Postoperative serum creatinine value is either more than 1.5-fold or more than 0.3 mg/dl before surgery within 48 hours 48 hours postoperative
Secondary Surgical postoperative complication Nausea, vomiting, abdominal distension, anastomotic leakage, paralytic ileus 7-days postoperative
Secondary Anesthetic postoperative complication Cardiogenic pulmonary edema.Cardiac index < 2.5 l/min/m2 24 hours postoperative
Secondary Surgical postoperative complication Wound infection and burst abdomen 7-days postoperative
Secondary Respiratory postoperative complication Pneumonia, acute respiratory distress, postoperative ventilation and ICU admission.length of ICU stay in days. 7-days postoperative
Secondary Postoperative complication mortality 7-days postoperative
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