Rhomboid Intercostal and Subserratus Plane Block (RISS) for perioperative analgesia in patients undergoing thoracotomy; a prospective randomized controlled study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR202008534389448

Enrollment

Registered

2020-08-03

Start date

2019-07-01

Completion date

Unknown

Last updated

2026-09-14

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

Conditions

perioperative analgesia in patients undergoing open thoracotomy

Interventions

control group

Rhomboid intercostal and subserratus plane block

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: age 18 – 60 years either gender ASA I-III undergoing elective open thoracotomy

Exclusion criteria

Exclusion criteria: patient refusal allergy to the study drug body mass index (BMI) > 35 kg/m2 any contraindication to regional anesthesia e.g. coagulopathy pregnancy drug or alcohol abuse daily intake of opioid analgesics

Design outcomes

Primary

Measure	Time frame
VAS score during the first 24 h postoperatively	—

Secondary

Measure	Time frame
intraoperative fentanyl consumption. ;the first 24 h postoperative cumulative morphine consumption;the time to first morphine dose	—

Countries

Egypt

Contacts

Public ContactShaimaa Farouk

lecturer of anesthesia and surgical ICU Faculty of Medicine Tanta University

shaimaafarouk7777@yahoo.com01270440771

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Sep 19, 2026