Comparison of Paracoracoid Subscapularis Plane Block to Interscalene Block for Arthroscopic Shoulder Surgery (SPBvsISB)
Rotator Cuff Injury
About this trial
This is an interventional health services research trial for Rotator Cuff Injury focused on measuring Nerve block, Diaphragm function
Eligibility Criteria
Inclusion Criteria:
- Male and females of 16-85years of age, scheduled to undergo arthroscopic shoulder surgery.
- Elective shoulder surgery undergoing general anesthesia in combination with regional blockade.
- ASA Class I,II and III
- Able to give informed consent
- Able to cooperate with study process
- Availability of home telephone
Exclusion Criteria:
- ASA 4
- Refusal to have regional block
- Lack of informed consent.
- Language or reading barrier
- Allergy to any of the drugs used in the study.
- Patients with associated significant cardiac and respiratory disease.
- Patients with pre-existing major organ dysfunction such as hepatic and renal failure.
- Patients with coexisting hematological disorder or with deranged coagulation parameters.
- Significant psychiatric illnesses. (Schizophrenia or bipolar disorders, uncontrolled anxiety or depression)
- Narcotic dependency (Chronic opioid use of greater than 15 mg oral morphine equivalents daily)
- Peripheral neuropathy
- Pregnancy
- Emergency surgery
Sites / Locations
- London Health Sciences Centre, St. Joseph's Heath CareRecruiting
Arms of the Study
Arm 1
Arm 2
Active Comparator
Experimental
Interscalene Block
Paracoracoid SPB
Receives interscalene block with 15mL of ropivacaine 0.5% at the level of C6. A total of 15mL will be injected with repeated aspirations to rule out intravascular placement of the needle tip. Once this is done, the needle tip will be moved to the lateral edge of sternocleidomastoid muscle and additional 3mL of 0.5% ropivacaine will be injected between the deep fascia of the sternocleidomastoid and deep investing fascia of the neck (superficial cervical plexus block SCP). We will administer injection of saline similar to experimental group to blind the patient
Receives paracoracoid subscapularis plane block with the ultrasound. Using a 50mm 22G block needle 15ml of 0.5% Ropivacaine will be deposited anterior to the fascia of subscapularis muscle after eliciting a motor response with 0.6mA current delivered through the needle. Following this, superficial cervical plexus block will be done using 3mL of 0.5% ropivacaine similar to group 1.