Intravenous Sodium Bicarbonate Verifies Intravenous Position of Catheters in Anesthetized Children

October 27, 2010 updated by: Sheba Medical Center

Intravenous Bicarbonate Identifies the Correct Position of Intravenous Catheter

Extravasation is an unintentional injection or leakage of fluids in the perivascular or subcutaneous space. Extravasation can be associated with tissue injury with various level of severity and long term consequences. Currently the confirmation of intravenous location of the Intravenous (IV) catheter requires close observation of the insertion site with sufficient infiltration in the perivascular area to allow detection of swelling, discoloration and discomfort. Under Anesthesia direct observation is frequently prohibited. IV sodium bicarbonate (SB) is used frequently to treat different metabolic conditions and is known to cause a temporary elevation of exhaled carbon dioxide. This study aim is to evaluate the safety and efficacy of intravenous SB as a detector of intravenous placement of an IV line in anesthetized patients.

Patients and Methods: The study has three parts, in part 1, the safety of subcutaneous injection of sodium bicarbonate was evaluated in 6 rats. In each animal the macroscopic and microscopic effects were evaluated and a safe dilution was determined. In the second part of the study the investigators will evaluated the efficacy of IV diluted SB to detect the proper location of IV catheters. 20 adult patients age 20 to 50 years will be enrolled. Patients all under general anesthesia with standard controlled ventilation via endotracheal tube. The correct placement of IV catheter will be confirmed by easy aspiration of blood from newly placed IV catheter. In each patient a bolus of 50 cc of 0.5 meq/cc SB or volume equivalent of normal saline will be injected in random order. The data collection will include patient's demographics, the presence or absence of an increase in the expired end-tidal carbon dioxide, onset and peak changes of end-tidal carbon dioxide as well as the hemodynamic changes after each injection.

Study Overview

Status

Unknown

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Anticipated)

30

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 50 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Healthy (American Society of Anesthesiologists [ASA] I or II) volunteers

Exclusion Criteria:

  • respiratory disease
  • active smoking
  • cardiovascular disease
  • renal disease

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Diagnostic
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: intravenous bicarbonate
Intravenous bicarbonate(05meq/cc ) 50 cc will be injected.
Drug: Sodium bicarbonate
single use of sodium bicarbonate and sterile water for injection 1:1 concentration 50 cc
Other Names:
  • 8.4% w/v Sodium bicarbonate B Braun Melsungen, Germany.
Placebo Comparator: Intravenous injection of 50 cc normal saline
Injection of volume equivalent of normal saline to compare the establish the effect of same volume as the experimental drug
Drug: normal saline
intravenous normal saline volume equivalent to sodium bicarbonate

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
change in end-tidal carbon dioxide
Time Frame: 0.5-2 minutes
intravenous bicarbonate injected intravenously will cause an increase in end-tidal carbon dioxide within minutes
0.5-2 minutes

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sheba Medical Center

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

October 1, 2010

Primary Completion (Anticipated)

June 1, 2011

Study Completion (Anticipated)

June 1, 2011

Study Registration Dates

First Submitted

October 10, 2010

First Submitted That Met QC Criteria

October 12, 2010

First Posted (Estimate)

October 13, 2010

Study Record Updates

Last Update Posted (Estimate)

October 28, 2010

Last Update Submitted That Met QC Criteria

October 27, 2010

Last Verified

October 1, 2010

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • SHEBA-09-7458-IK-CTIL

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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