Bupivacaine effect on analgesia subsequent to brachial plexus block

Effect of Volume of Bupivacaine on Postoperative Pain After Shoulder Surgery Under Interscalene Block of Brachial Plexus

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT2017050733848N1

Enrollment

Registered

2017-05-25

Start date

2016-06-30

Completion date

Unknown

Last updated

2018-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Shoulder injuries. Injuries to the shoulder and upper arm

Interventions

Intervention 1: Control group: interscallen block will be applied by low dose bupivacaine including 15 ml of 0.5% bupivacaine solution. Intervention 2: Study group: interscallen block will be applied

Treatment - Drugs

Control group: interscallen block will be applied by low dose bupivacaine including 15 ml of 0.5% bupivacaine solution.

Study group: interscallen block will be applied by low dose bupivacaine including 30 ml of 0.25% bupivacaine solution.

Eligibility

Sex/Gender

All

Age

20 Years to 65 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: patients aged between 20 to 65 years old candidate for shoulder surgery; Class I or II according to ASA classification. Exclusion criteria: consumption of anti-psychotic drugs; drug abusers; history of psychotic disorders; obstructive pulmonary diseases; body mass index greater than 30 kg/m2; emergent operations; change in anesthesia or surgery procedure due to severe complications.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Patients pain severity after shoulder surgery during recovery. Timepoint: Postoperative recovery. Method of measurement: quadruple pain severity scale.;Patients pain severity after shoulder surgery during recovery. Timepoint: 6 hours, 12 hours and 24 hours after surgery. Method of measurement: Using visual analogue scale.;Duration of analgesia after shoulder surgery. Timepoint: Postoperative period. Method of measurement: Questionnaire.	—

Measure

Time frame

Patients pain severity after shoulder surgery during recovery. Timepoint: Postoperative recovery. Method of measurement: quadruple pain severity scale.;Patients pain severity after shoulder surgery during recovery. Timepoint: 6 hours, 12 hours and 24 hours after surgery. Method of measurement: Using visual analogue scale.;Duration of analgesia after shoulder surgery. Timepoint: Postoperative period. Method of measurement: Questionnaire.

—

Secondary

Measure	Time frame
Postoperative compliations hypotension. Timepoint: postoperative admission period. Method of measurement: Questionnaire.;Postoperative nausea and vomiting. Timepoint: during admission. Method of measurement: Questionnaire.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr. Masoud Parish

Tabriz University of Medical Sciences

parsihm@tbzmed.ac.ir+98 41 3385 5842

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026