NCT00736125

Brief Summary

The purpose of this study is to determine if the use of a carbon dioxide lavage device (CarboJet) to clean bone surfaces during total knee surgery decreases intraoperative embolic events when compared with standard orthopedic techniques.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
20

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Dec 2007

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

December 1, 2007

Completed
9 months until next milestone

First Submitted

Initial submission to the registry

August 14, 2008

Completed
1 day until next milestone

First Posted

Study publicly available on registry

August 15, 2008

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2009

Completed
1.5 years until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2011

Completed
2.1 years until next milestone

Results Posted

Study results publicly available

April 18, 2013

Completed
Last Updated

September 26, 2019

Status Verified

September 1, 2019

Enrollment Period

1.8 years

First QC Date

August 14, 2008

Results QC Date

March 5, 2013

Last Update Submit

September 3, 2019

Conditions

Keywords

postoperative cognitive dysfunctiontotal knee arthroplastycerebral embolicarbon dioxide lavagepulsatile saline lavage

Outcome Measures

Primary Outcomes (1)

  • The Number of Cerebral Emboli During Surgery as Measured by Transcranial Doppler (TCD)

    During surgery

Secondary Outcomes (2)

  • Number of Patients With Emboli in the High Category

    During surgery

  • Number of Patients With Delirium During Hospital Stay

    First 3 days after surgery

Other Outcomes (1)

  • Changes in Neurocognitive Tests Following Surgery

    3 months following surgery

Study Arms (2)

1

ACTIVE COMPARATOR
Device: pulsatile saline lavage

2

ACTIVE COMPARATOR
Device: carbon dioxide lavage

Interventions

Prior to cement application, cut bone surfaces are cleaned using pulsatile saline lavage

1

Prior to cement application, cut bone surfaces are cleaned using carbon dioxide lavage

2

Eligibility Criteria

Age50 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Adult patients aged 50 years or older who are scheduled for elective TKA with a cemented Smith and Nephew Prosthesis design

You may not qualify if:

  • Dementia or severe cognitive impairment
  • Severe visual or hearing impairments
  • Inability to follow directions or comprehend the English language
  • Females who are pregnant
  • Abnormal distal femur geometry
  • Pre-existing hardware or abnormal bony architecture in the proximal tibia

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Veterans Affairs Medical Center

Durham, North Carolina, 27705, United States

Location

MeSH Terms

Conditions

Postoperative ComplicationsMemory DisordersPostoperative Cognitive ComplicationsIntracranial Embolism

Condition Hierarchy (Ancestors)

Pathologic ProcessesPathological Conditions, Signs and SymptomsNeurobehavioral ManifestationsNeurologic ManifestationsNervous System DiseasesSigns and SymptomsCognitive DysfunctionCognition DisordersNeurocognitive DisordersMental DisordersIntracranial Embolism and ThrombosisCerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesVascular DiseasesCardiovascular DiseasesThromboembolismEmbolism and Thrombosis

Results Point of Contact

Title
Dr. Terri Monk
Organization
Duke University Medical Center

Study Officials

  • Terri G Monk, MD

    Duke University

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 14, 2008

First Posted

August 15, 2008

Study Start

December 1, 2007

Primary Completion

September 1, 2009

Study Completion

March 1, 2011

Last Updated

September 26, 2019

Results First Posted

April 18, 2013

Record last verified: 2019-09

Locations