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NCT05239234 Clinical Trial

Ultrasonographic Predictors of Hypotension After Induction

General Anesthesia Clinical Trial

Official title:
Pre-operative Ultrasonographic Evaluation of Inferior Vena Cava Collapsibility Index and Caval Aorta Index to Predict Hypotension After Induction of General Anesthesia

Clinical Trial Details — Status: Completed

Administrative data
NCT number NCT05239234
Other study ID # AntalyaTRH55
Secondary ID
Status Completed
Phase
First received
Last updated
Start date March 2, 2022
Est. completion date November 12, 2022

Study information
Verified date January 2022
Source Antalya Training and Research Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The purpose of the study is to evaluate the predictive value of the inferior vena cava collapsibility index and caval aorta index for detecting hypotension after induction of general anesthesia.

Description:

Since cardiovascular depressant and vasodilatory effects of anesthetic agents, patients may be at risk of hypotension after induction of general anesthesia. Previous studies reported that, for evaluating volume status, some ultrasonographic measurements such as inferior vena cava collapsibility index (IVCCI) could be used. Also some studies stated that measurement of aorta diameter index (IVC : Ao index) is reliable to predict hypotension after induction of spinal anesthesia. At the study, the investigators aimed to investigate the predictive values of the inferior vena cava collapsibility index and caval aorta index under ultrasound guidance in predicting post-induction hypotension in patients under general anesthesia.

Recruitment information / eligibility
Status Completed
Enrollment 100
Est. completion date November 12, 2022
Est. primary completion date November 9, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria: - patients more than 18 years of age - American Society of Anesthesiologists' (ASA) physical status 1 or 2 Exclusion Criteria: - BMI more than 30 kg/m² - Use of angiotensin converting enzyme inhibitors - pregnancy, - emergency operations - baseline arterial systolic blood pressure less than 90 mmHg - mean arterial blood pressure less than 70 mmHg

Study Design

Related Conditions & MeSH terms

Intervention

Other:
• Inferior vena cava-Aorta diameter index
Before the induction of general anesthesia, inferior vena cava-Aorta diameter index and inferior vena cava collapsibility index will be measured.

Locations
Country Name City State
Turkey Antalya Training and Researching Hospital Antalya

Sponsors (1)
Lead Sponsor Collaborator
Antalya Training and Research Hospital

Country where clinical trial is conducted

Turkey, 

Outcome
Type Measure Description Time frame Safety issue
Primary Diagnostic value of IVCCI to detect post-induction hypotension assessed by Receiver operating characteristic (ROC) curve analysis. Measurement of inferior vena cava collapsibility index. 20 minutes
Primary Diagnostic value of IVC : Ao index to detect post-induction hypotension assessed by ROC curve analysis. Measurement of inferior vena cava-Aorta diameter index. 20 minutes
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