Suprascapular and Axillary Versus Interscalene Blocks Regarding Phrenic Affection in Shoulder Surgeries

ConditionsInterscalene Nerve Block Suprascapular Nerve Shoulder Surgery

Trial statusNot yet recruiting

Trial phaseNot applicable

Trial typeInterventional

Biological sexAll

Age18-60

SponsorAin Shams University

About this trial

This study is aims to compare between combined suprascapular and axillary nerve blocks versus interscalene nerve block regarding phrenic nerve affection assessed by ultrasound guided diaphragmatic excursion in shoulder arthroscopy surgeries.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Patients aged between 18 - 60 years old.

Both sexes.

ASA physical status classes I - II.

Body mass index: 18-35 kg/ m2.

Disqualifiers

Infection at site of injection.

Psychiatric illness.

Central Nervous System Diseases like (epilepsy, stroke …etc.) or neurological disease affecting patient's upper limb.

Dependence on opiates and psycho-dynamic medications.

Trial design

Design model

Parallel

Treatments tested in this trial

Suprascapular nerve block and Axillary nerve block
Procedure/Surgery
A linear ultrasound probe will be placed in a sagittal plane at the superior medial border of the scapula. The probe will be moved laterally and then placed parallel to the scapular spine. when the needle tip contacts the bone just medial to the spinoglenoid notch and after confirmation of absence of vascular structure by color Doppler, 10 ml of 0.5% bupivacaine will be injected with aspiration every 3 ml to avoid intravascular injection and the spread of the local anaesthetic
Interscalene Nerve Block
Procedure/Surgery
The ultrasound probe will be placed in the supraclavicular fossa in a transverse orientation, aimed caudad into the thoracic cavity, to visualize the brachial plexus near the subclavian artery. Once identified, the plexus will be followed cephalad where it is found within the brachial plexus fascial sheath in the interscalene groove.

Treatment groups

60 Participants

are divided into 2 treatment groups

Group A: Suprascapular nerve block and Axillary nerve block ( Group A)Experimental treatment 1 intervention

Group B: Interscalene nerve block (Group B)Experimental treatment 1 intervention

Trial outcomes

Primary outcomes

incidence of hemidiaphragmatic paralysis measured by ultrasound.

defined as a ≥ 25% reduction in diaphragmatic excursion measured by ultrasound.

Time frame

measurement will be taken 8 hours after the performance of the block for fourth and last time.

Secondary outcomes

postoperative pain using NRS

is to measure first rescue analgesia postoperative (24 hours)

Time frame

24 hours postoperative

Locations

This trial has no locations.

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Ain Shams University

Lead sponsor

Source ClinicalTrials.gov

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