Ultrasound-guided Interscalene Block:3mL Ropi Provide Similar Analgesia to 5mL and Less Diaphragmatic Paralysis

Saint George Hospital60 enrolled

Overview

Ropivacaine for ultrasound-guided interscalene block: 3mL provide similar analgesia to 5mL with less diaphragmatic paralysis in shoulder arthroscopy surgeries

Ropivacaine for ultrasound-guided interscalene block: 3mL provide similar analgesia to 5mL with less diaphragmatic paralysis in shoulder arthroscopy surgeries with no toxicity and no adverse reaction or complications we targeted under echography each nerve to be blocked alone either to put around all the nerves a big volume

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

PREVENTION

Masking

SINGLE

Enrollment

Conditions

Diaphragmatic Paralysis

Interventions

Ropivacaine 0.5% Injectable SolutionDRUG

Is to put 3 ml or 5 ml and show the difference

Eligibility

Sex: ALLHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * ASA1-2 Exclusion Criteria: * ASA3-4 anticoagulant

Outcomes

Primary Outcomes

Diaphragmatic paralysis

on x ray we look if there is an elevated diaphragm

Time frame: Up to 48 hours

Pain relief

pain scale 1-10 score 1 no pain and 10 severe pain first by visiting patient before discharge twice and thereafter on the phone

Time frame: up to day 2 after operation

Data from ClinicalTrials.gov

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