- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05049941
Blood Gases Versus Lactate Clearance as an Indicator of Initial Resuscitation in Septic Patients: Comparative Study
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
On ICU admission, Criteria of Systemic Inflammatory Response Criteria (SIRS) were evaluated including: abnormal white blood cell count >12,000/ μL or <4000/ μL, heart rate >90/min, respiratory rate >20/min or PaCO2 < 32 mmHg or abnormal body temperature >38.3 °C (100.4 °F) or <36 °C (96.8 °F). The quick Sequential Organ Failure assessment (qSOFA) score (10) measured at the bedside : altered level of consciousness (Glasgow Coma Scale score ≤ 13), Systolic blood pressure < 90 mmHg and respiratory rate ≥ 22 rpm. The Acute Physiology and Chronic Health Evaluation (APACHE II) score were collected (Knaus et al.,1985). Patients monitoring of heart rate, pulse oximetry, invasive arterial blood pressure for measurement of MAP, core temperature (UltraviewSL2700; Spacelaps, USA). and urine output. Laboratory investigations includes: complete blood count, C-reactive protein, liver and renal functions, coagulation profile, blood glucose, sodium and potassium level. All patients had jugular central venous catheter was inserted under ultrasound guidance, and the position confirmed by chest radiograph, then central venous pressure (CVP) was measured before starting the initial resuscitation (T0) ansd 8 hours after resuscitation (T8). From CVP line, blood sample analyzed by (SIEMENS RAPIDPoint® 500 blood gas machine). The following measurements were recorded at (T0) and at (T8): Central venous oxygen saturation (ScvO2), Central venous oxygen tension (Pvo2) and Central venous carbon dioxide tension (Pvco2). The central venous oxygen content (Cvo2) Cvo2 = (1.34 × Svo2 × Hb) + (0.003 × Pvo2) Radial arterial canula was inserted under ultrasound guidance to all patients and arterial blood gases (ABG) was analyzed at (T0) and (T8) to measure: arterial oxygen tension (Pao2), arterial oxygen content (Cao2), arterial carbon dioxide tension (Paco2), arterial oxygen saturation (Sao2.) and lactate level Cao2 = (1.34 × Sao2 × Hb) + (0.003 × Pao2) Resuscitation Patients were randomly assigned (by computer generated sequence) into three groups each consists of 40 patients: Group (1): veno-arterial carbon dioxide tension / arteriovenous oxygen content P(v-a)CO2/C(a-v)O2 ratio group; Group (2): Lactate clearance (LC) group; Lactate level was measured then LC rate was calculated by the equation [(lactate(T0)- lactate(T8))/lactate(T0)] × 100%.
Group (3):
veno-arterial carbon dioxide tension group; P(v-a)co2 difference Measurements were obtained at T0 (before the start of resuscitation) and at T8 (after 8 hours of the start of resuscitation), the three groups received the same initial resuscitation protocol according to Surviving Sepsis Campaign (9), the appropriate specimens were taken for aerobic and anaerobic culture, empirical broad-spectrum antibiotics was given, source of infection was controlled with removal of any old intravascular lines which may be the source of sepsis.
The early goals of resuscitation were to achieve the following: CVP of 8-12 cmH2O, MAP > 65 mm Hg, a urine output >0.5 mL/kg and Scvo2 of 70% or more, we started with 30 ml/kg crystalloids in the first 3 hours, then we guided by hemodynamic status, if not achieved, we were targeted by titrating vasopressors until MAP > 65 mmHg by using either norepinephrine (0.25 mcg /kg/min increasing every 15 min) or dobutamine (2.5 mcg/min every 15 min increased). The patients connected to mechanical ventilation if needed with appropriate settings, with minimal dose of sedation, blood glucose controlled and anticoagulant and Proton pump inhibitors were administrated as a prophylaxis, early enteral nutrition was initiated, if there was no contraindications Measured data
In group (1) we prepared this measures at T0 and T8:
- The arteriovenous oxygen content difference (C(a-v)O2) C(a-v)O2 = Cao2 - Cvo2
- The venoarterial CO2 tension difference (P(v-a)CO2) P(v-a)CO2 = Pvco2 - Paco2
P(v-a)CO2/C(a-v)O2 ratio
- (Pvco2 - Paco2)/(Cao2 - Cvo2)
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: ahmed hassanein, MD
- Phone Number: 01006946879
- Email: ahmedhassanein10@yahoo.com
Study Contact Backup
- Name: rehab mohamed, MD
- Phone Number: 01004407515
- Email: rehabmahamed820@gmail.com
Study Locations
-
-
-
Minya, Egypt, 11116
- Recruiting
- Ahmed Hassanein
-
Contact:
- ahmed hassanein
- Phone Number: 01006946879
- Email: ahmedhassanein10@yahoo.com
-
Contact:
- rehab mohamed
- Phone Number: 01004407515
- Email: rehabmohamed820@gmail.com
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
adult critically ill patients admitted to the ICU in Minia University Hospital. Patients Ages was ≥ 18 and ≤ 65 years including both sexs, resuscitation started after fulfilling the diagnostic criteria of sepsis issued by Surviving Sepsis Campaign 2016
Exclusion Criteria:
- We excluded Patients with chronic organ failure (Cardiovascular, Respiratory, Liver, Neurological and Renal.)
Study Plan
How is the study designed?
Design Details
- Observational Models: Case-Only
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
group1
Group (1): veno-arterial carbon dioxide tension / arteriovenous oxygen content P(v-a)CO2/C(a-v)O2 ratio group.
|
observational
|
group 2
Group (2): Lactate clearance (LC) group; Lactate level was measured then LC rate was calculated by the equation [(lactate(T0)- lactate(T8))/lactate(T0)] × 100%.
|
observational
|
group 3
Group (3): veno-arterial carbon dioxide tension group; P(v-a)co2 difference |
observational
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
in septic patients in intensive care unit and to evaluate the success of early resuscitation protocol
Time Frame: 3-4 monthes
|
success of early resuscitation
|
3-4 monthes
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: ahmed hassanein, MD, Minia University
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 6382021
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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