Use of Ultrasound in Lower Extremity Blocks. | NCT00221910

Studies
Use of Ultrasound in Lower Extremity Blocks.

NCT00221910

Sponsor

University Health Network, Toronto

Status

Completed

Last Update Posted

Dec 5, 2008Estimated

Enrollment

Not provided

Phase

Not Applicable

Conditions

Regional Anesthesia

Interventions

Ultrasound

Countries

Canada

Protocol Section

Identification Module Status Module Sponsor/Collaborators Module Oversight Module Description Module Conditions Module Design Module Arms/Interventions Module Outcomes Module Eligibility Module Contacts/Locations Module References Module IPD Sharing Statement Module

Results Section

Participant Flow Module Baseline Characteristics Module Outcome Measures Module Adverse Events Module More Info Module

Annotation Section

Annotation Module

Document Section

Large Document Module

Derived Section

Miscellaneous Info Module Condition Browse Module Intervention Browse Module

Protocol Section

Identification Module

NCT ID

Results Section

No data available

No data is available for this block.

Annotation Section

No data available

No data is available for this block.

Document Section

No data available

No data is available for this block.

Derived Section

Miscellaneous Info Module

Version Holder

Status Module

Record Verification Date

Mar 2005

Overall Recruitment Status or Expanded Access Status

Completed

Last Known Status

Not provided

Delayed Posting

Not provided

Why Stopped

Not provided

Expanded Access Info

Start Date

Feb 2003

Primary Completion Date

Not provided

Completion Date

Mar 2005Actual

First Submitted Date

Sep 20, 2005

First Submission Date that Met QC Criteria

Sep 20, 2005

First Posted Date

Sep 22, 2005Estimated

Results Waived

Not provided

Results First Submitted Date

Not provided

Results First Submitted that Met QC Criteria

Not provided

Results First Posted Date

Not provided

Certification/Extension (aka Delayed Results) First Submitted Date

Not provided

Certification/Extension First Submitted that Passed QC Review

Not provided

Certification/Extension First Posted Date

Not provided

Last Update Submitted Date

Dec 4, 2008

Last Update Posted Date

Dec 5, 2008Estimated

Name	Class
University of Toronto	OTHER

Description Module

Brief Summary

Nerve "freezing" injections of the leg are very useful in providing anesthesia and pain relief for knee and ankle surgery. However, current nerve "freezing" techniques are "blind". As a result, they are not always successful and may cause complications, albeit infrequent.

The objective of the current study is to determine any advantage in performing these "freezing" injections under direct ultrasound guidance, to "visualize" the nerves. We feel that by developing this technique, it will allow us to perform these procedures with greater success and fewer complications.

Detailed Description

This study is a randomised controlled trial. Its objective is to compare results and complications between two techniques of nerve localisation for nerve blocks of the lower limb. We have developed a real-time, image guided approach to nerve blocks of the lower extremities in three locations: the femoral nerve in the groin and the sciatic nerve in the buttock and/or popliteal fossa. We have used ultrasound imaging to locate and asess the nerves of the lower extremities and to use it as a real-time guidance for performance of lower extremity blocks in patients undergoing orthopaedic procedures. The results of our previous study will be presented as a case series reporting anatomical appearance of the nerves studied, time for block performance and success rates. In this study we aim to compare these parambeters between standard and ultrasound techniques of lower extremity block, to show any advantage.

Design Module

Study Type

Interventional

Number of References to an Expanded Access Study

Not provided

Expanded Access Types

Not provided

Patient Registry

Not provided

Target Follow-Up Duration

Not provided

Phases

Not Applicable

Interventional Study Design

Allocation

Biospecimen

No data available

No data is available for this block.

Enrollment

Not provided

Name	Type	Description	Arm Group Labels	Other Names
Ultrasound	Procedure

Eligibility Module

Eligibility Criteria

Inclusion Criteria:

English-speaking
ASA physical status I-III
18-85 years of age, inclusive
50-110 kg, inclusive
150 cm of height or grater
Scheduled for elective foot or ankle surgery

Exclusion Criteria:

Contraindications to sciatic nerve block (e.g., allergy to local anesthetics, coagulopathy, malignancy or infection in the popliteal area)
Significant peripheral neuropathy or neurologic disorder affecting the lower extremity
Pregnancy
Contraindications to, allergies to, and/or past adverse reactions to local anesthetics
History of alcohol or drug dependency/abuse

Accepts Healthy Volunteers

Sex

All

Sex/Gender Based

Not provided

Sex/Gender Description

Not provided

Minimum Age

18 Years

Maximum Age

85 Years

Standard Ages

AdultOlder Adult

Study Population

Not provided

Sampling Method

Not provided

Contacts/Locations Module

Central Contacts

Not provided

Overall Officials

Name	Affiliation	Role
Anahi Perlas, MD	University Health Network, Toronto	Principal Investigator

Locations

Facility	Status	City	State	ZIP	Country	Contacts
University Health Network		Toronto	Ontario	M5T2S8	Canada

Intervention Browse Module

MeSH Terms

ID	Term
D019220	High-Energy Shock Waves

Ancestor Terms

ID	Term
D000069453	Ultrasonic Waves
D013016	Sound
D011840	Radiation, Nonionizing
D011827	Radiation

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Browse Branches

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