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

Larissa University Hospital

Status: Unknown

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

Treatments: Other: Left interscalene block; Other: Right interscalene block

Study type: Observational

Funder types: Other

Identifiers

NCT01755780

Intrerscalene beach chair

Details and patient eligibility

About

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

Enrollment: 50 estimated patients

Sex: All

Ages: 50 to 80 years old

Volunteers: No Healthy Volunteers

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

Trial design

50 participants in 2 patient groups

Left interscalene block

Description:

Left interscalene block on hypotension and bradycardia during beach chair positioning

Treatment:

Other: Left interscalene block

Right interscalene block

Description:

Right interscalene block on hypotension and bradycardia during beach chair positioning

Treatment:

Other: Right interscalene block