Effect of the Side of Interscalene Block on Bradycardia and Hypotension in Beach Chair Position

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

50 participants

Study Classification

OBSERVATIONAL

Study Start Date

2012-12-31

Study Completion Date

2015-07-31

Brief Summary

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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

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Detailed Description

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Conditions

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Shoulder Surgery Beach Chair Position Interscalene Block Hypotension Bradycardia Autonomic Nervous System

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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Left interscalene block

Left interscalene block on hypotension and bradycardia during beach chair positioning

Left interscalene block

Intervention Type OTHER

Right interscalene block

Right interscalene block on hypotension and bradycardia during beach chair positioning

Right interscalene block

Intervention Type OTHER

Interventions

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Left interscalene block

Intervention Type OTHER

Right interscalene block

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

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

Exclusion Criteria

* 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

Minimum Eligible Age

50 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No