Assessment of Diaphragmatic Function after Ultrasound Guided Interscalene Block with Different Volumes of Local Anesthetic in Patients Undergoing Shoulder Surgery
Khairy, A., Elkassaby, A., Shaker, M., Ismail, R. (2024). Assessment of Diaphragmatic Function after Ultrasound Guided Interscalene Block with Different Volumes of Local Anesthetic in Patients Undergoing Shoulder Surgery. EKB Journal Management System, 27(6), 1-9. doi: 10.21608/scumj.2024.418966
Abdelrahman Adel Khairy; Alaa Eldien Mohammed Elkassaby; Medhat Lamie Shaker; Reda Aboelmaged Ismail. "Assessment of Diaphragmatic Function after Ultrasound Guided Interscalene Block with Different Volumes of Local Anesthetic in Patients Undergoing Shoulder Surgery". EKB Journal Management System, 27, 6, 2024, 1-9. doi: 10.21608/scumj.2024.418966
Khairy, A., Elkassaby, A., Shaker, M., Ismail, R. (2024). 'Assessment of Diaphragmatic Function after Ultrasound Guided Interscalene Block with Different Volumes of Local Anesthetic in Patients Undergoing Shoulder Surgery', EKB Journal Management System, 27(6), pp. 1-9. doi: 10.21608/scumj.2024.418966
Khairy, A., Elkassaby, A., Shaker, M., Ismail, R. Assessment of Diaphragmatic Function after Ultrasound Guided Interscalene Block with Different Volumes of Local Anesthetic in Patients Undergoing Shoulder Surgery. EKB Journal Management System, 2024; 27(6): 1-9. doi: 10.21608/scumj.2024.418966

Assessment of Diaphragmatic Function after Ultrasound Guided Interscalene Block with Different Volumes of Local Anesthetic in Patients Undergoing Shoulder Surgery

Suez Canal University Medical Journal
Article 1, Volume 27, Issue 6, June 2024, Page 1-9  XML PDF (283.97 K)
Document Type: Original Article
DOI: 10.21608/scumj.2024.418966
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Authors
Abdelrahman Adel Khairy email ; Alaa Eldien Mohammed Elkassaby; Medhat Lamie Shaker; Reda Aboelmaged Ismail
Anesthesia and Intensive Care Department, Faculty of Medicine Suez Canal University, Egypt
Abstract
Background: Interscalene brachial plexus block (ISBPB) is effective for postoperative analgesia after shoulder surgery but is linked to diaphragm dysfunction. This study compare the impact of two volumes of bupivacaine (10 ml and 15 ml) on diaphragmatic function, oxygen saturation, pain control, and opioid requirements. Aim: To reduce the incidence of diaphragmatic paralysis following interscalene block in adult patients undergoing shoulder surgery. Patients and Methods: Adults (18-60 years) undergoing elective shoulder surgery were randomly divided into two groups: Group A (15 ml bupivacaine) and Group B (10 ml bupivacaine). Pre, intra, and post-operative assessments included diaphragmatic function, oxygen saturation, sedation score, motor power, pain control, and opioid requirements. Results: Patients in both groups showed no paradoxical diaphragmatic movement within the first 30 minutes. However, after 30 minutes, Group A (15 ml) had a significantly higher frequency of diaphragmatic paresis. No significant difference was found in postoperative pain and opioid consumption within 48 hours. Conclusion: Low volume interscalene block provides comparable analgesia to high volumes but is associated with a lower incidence of side effects and hemi-diaphragmatic paresis.
Keywords
Ultrasound; nerve block; bupivacaine; shoulder
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