NCT00712946

Brief Summary

The goal of this study is to evaluate the possible preoperative predictive value of altered heart rate variability (HRV) and baroreflex sensitivity in different sleep stages for postoperative adverse cardiac events (i.e. arrhythmia or myocardial ischemia needing hospitalization or medication, myocardial ischemia assessed by enzyme release, myocardial infarction, sudden cardiac death, stroke) in arteriosclerosis obliterans patients.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
103

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Mar 2006

Longer than P75 for all trials

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

March 1, 2006

Completed
2.4 years until next milestone

First Submitted

Initial submission to the registry

July 8, 2008

Completed
2 days until next milestone

First Posted

Study publicly available on registry

July 10, 2008

Completed
2.4 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2010

Completed
Last Updated

April 28, 2011

Status Verified

March 1, 2010

First QC Date

July 8, 2008

Last Update Submit

April 27, 2011

Conditions

Study Arms (2)

1

Arteriosclerosis obliterans patients undergoing elective vascular surgery

2

Healthy age-matched volunteers

Eligibility Criteria

Age40 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

ASO patients admitted to electrive vascualr surgery in Turku University Hospital

You may qualify if:

  • Age \> 40 years
  • ASO
  • Elective vascular surgery patient (i.e. infra-inguinal bypass procedure)

You may not qualify if:

  • Other than sinus rhythm
  • Lack of co-operation
  • Major surgery less than 3 months preoperatively
  • Sleep apnoea
  • Dialysis treatment
  • CABG less than 3 years earlier

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Anesthesiology and Intensive Care, Turku University Hospital

Turku, Finland

Location

Related Publications (3)

  • Virtanen S, Utriainen KT, Parkkola R, Airaksinen JK, Laitio R, Scheinin H, Hakovirta H, Laitio TT; BAROSLEEP Study Group. White matter damage of the brain is associated with poor outcome in vascular surgery patients with claudication: a pilot study. Eur J Vasc Endovasc Surg. 2014 Dec;48(6):687-93. doi: 10.1016/j.ejvs.2014.08.025. Epub 2014 Oct 1.

  • Utriainen KT, Airaksinen JK, Polo O, Laitio R, Pietila MJ, Scheinin H, Vahlberg T, Leino KA, Kentala ES, Jalonen JR, Hakovirta H, Parkkola R, Virtanen S, Laitio TT. Sleep apnoea is associated with major cardiac events in peripheral arterial disease. Eur Respir J. 2014 Jun;43(6):1652-60. doi: 10.1183/09031936.00130913. Epub 2014 Feb 20.

  • Utriainen KT, Airaksinen JK, Polo O, Raitakari OT, Pietila MJ, Scheinin H, Helenius HY, Leino KA, Kentala ES, Jalonen JR, Hakovirta H, Salo TM, Laitio TT. Unrecognised obstructive sleep apnoea is common in severe peripheral arterial disease. Eur Respir J. 2013 Mar;41(3):616-20. doi: 10.1183/09031936.00227611. Epub 2012 Jun 14.

MeSH Terms

Conditions

Arteriosclerosis Obliterans

Condition Hierarchy (Ancestors)

ArteriosclerosisArterial Occlusive DiseasesVascular DiseasesCardiovascular Diseases

Study Officials

  • Timo Laitio, MD, PhD

    Turku University Hospital

    PRINCIPAL INVESTIGATOR
  • Pekka Meriläinen, Prof.

    GE Healthcare, Finland

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
PROSPECTIVE
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

July 8, 2008

First Posted

July 10, 2008

Study Start

March 1, 2006

Study Completion

December 1, 2010

Last Updated

April 28, 2011

Record last verified: 2010-03

Locations