Rhomboid Intercostal and Subserratus Plane (RISS) Block on Postoperative Painafter Open Nephrectomy Surgery

Cairo University (CU)

Status and phase: Unknown; Early Phase 1

Conditions: Rhomboid Intercostal Block

Treatments: Drug: Rhomboid Intercostal and Sub-Serratus block

Study type: Interventional

Funder types: Other

Identifiers

NCT05301075

N-74-2021

Details and patient eligibility

About

Rhomboid intercostal block (RIB) is a new interfascial plane block describe by Elsharkawy et al. in 2016. The region described is understood because the triangle of auscultation that's bounded medially by inferior a part of the trapezius, inferiorly by the superior border of latissimus dorsi, and laterally by the medial border of the scapula. In this ultrasound-guided block, the local anaesthetic drug is run between the rhomboid major and therefore the intercostal fascia at the extent of T6-T7 and provides analgesia of T3-T8 dermatomes

Enrollment: 60 estimated patients

Sex: All

Ages: 18 to 60 years old

Volunteers: Accepts Healthy Volunteers

Inclusion and exclusion criteria

• Inclusion criteria Adult patients between 18-60 years. Genders eligible for study: both sexes ASA physical status I and II Undergoing open nephrectomy surgery
• Exclusion criteria Patient refusal Contraindications to regional anesthesia Known allergy to local anesthetics Bleeding disorders Use of any anti-coagulants Inability to provide informed consent ASA III-IV

Trial design

Primary purpose: Diagnostic

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Quadruple Blind

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60 participants in 2 patient groups

control group

Sham Comparator group

Description:

patients will receive sham block.

Treatment:

Drug: Rhomboid Intercostal and Sub-Serratus block

RISS group

Active Comparator group

Description:

will receive Rhomboid Intercostal and Sub-Serratus block under ultrasound guidance

Treatment:

Drug: Rhomboid Intercostal and Sub-Serratus block