NCT01755780

Brief Summary

The Left interscalene block has a different effect on heart's autonomic nervous system, compared to Right interscalene block. This effect is evident on the occurrence of bradycardia and hypotension during shoulder surgery in the beach chair position

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
50

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Dec 2012

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
unknown

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, 2012

Completed
18 days until next milestone

First Submitted

Initial submission to the registry

December 19, 2012

Completed
5 days until next milestone

First Posted

Study publicly available on registry

December 24, 2012

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2015

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2015

Completed
Last Updated

July 10, 2014

Status Verified

July 1, 2014

Enrollment Period

2.1 years

First QC Date

December 19, 2012

Last Update Submit

July 9, 2014

Conditions

Outcome Measures

Primary Outcomes (1)

  • Interscalene block and beach chair positioning

    Effect of interscalene block on hypotension and bradycardia during beach chair positioning

    Intraoperatively

Study Arms (2)

Left interscalene block

Left interscalene block on hypotension and bradycardia during beach chair positioning

Other: Left interscalene block

Right interscalene block

Right interscalene block on hypotension and bradycardia during beach chair positioning

Other: Right interscalene block

Interventions

Left interscalene block
Right interscalene block

Eligibility Criteria

Age50 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Patients for elective shoulder surgery

You may qualify if:

  • elective shoulder surgery
  • Age 50- 80 years old
  • ASA II - IV

You may not qualify if:

  • Coagulopathy disorders
  • Infection at the puncture site for the interscalene block
  • Neurological deficit on the side to be operated
  • Allergy to local anesthetics
  • Psychiatric disorders
  • Patient's refusal
  • Problems with patient communication
  • Failure of the interscalene block

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Larissa University Hospital

Larissa, Thessally, 41110, Greece

RECRUITING

MeSH Terms

Conditions

HypotensionBradycardia

Condition Hierarchy (Ancestors)

Vascular DiseasesCardiovascular DiseasesArrhythmias, CardiacHeart DiseasesPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Officials

  • Marina Simaioforidou, MD

    Larissa University Hospital

    PRINCIPAL INVESTIGATOR
  • George Vretzakis, Medicine

    Larissa University Hospital

    STUDY DIRECTOR
  • Katerina Tsiaka, Medicine

    Larissa University Hospital

    STUDY CHAIR
  • George Basdekis, Medicine

    Larissa University Hospital

    STUDY CHAIR
  • Athanasios Drakos, Medicine

    Larissa University Hospital

    STUDY CHAIR

Central Study Contacts

Marina Simaioforidou, Medicine

CONTACT

George Vretzakis, Medicine

CONTACT

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Anesthesiologist

Study Record Dates

First Submitted

December 19, 2012

First Posted

December 24, 2012

Study Start

December 1, 2012

Primary Completion

January 1, 2015

Study Completion

July 1, 2015

Last Updated

July 10, 2014

Record last verified: 2014-07

Locations