Shoulder Surgery | Effect of the Side of Interscalene Block on Bradycardia and Hypotension in Beach Chair Position
Shoulder Surgery research study
What is the primary objective of this study?
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
Who is eligible to participate?
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
Which medical condition, disease, disorder, syndrome, illness, or injury is researched?
Beach Chair Position
Autonomic Nervous System
Interventions can include giving participants drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available or noninvasive approaches such as surveys, education, and interviews.
Other:Left interscalene block
Other:Right interscalene block
Research studies and clinical trials typically have two or more research arms. An arm is a group of people who receive the same treatment in the study.
Left interscalene blockLeft interscalene block on hypotension and bradycardia during beach chair positioning
Right interscalene blockRight interscalene block on hypotension and bradycardia during beach chair positioning
Start Date: December 2012
Completed Date: July 2015
Primary Outcome: Interscalene block and beach chair positioning
Study sponsors, principal investigator, and references
Principal Investigator: Marina Simaioforidou, MD
Lead Sponsor: Larissa University Hospital