Evaluation of cutaneous sensory block area of the external oblique intercostal block: a prospective observational study

Evaluation of cutaneous sensory block area of the external oblique intercostal block: a prospective observational study - Evaluation of cutaneous sensory block area of the external oblique intercostal block: a prospective observational study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000056128

Enrollment

Registered

2024-11-12

Start date

2024-11-14

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Laparoscopic upper abdominal surgery

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Patients aged 20 to 80 years 2. Patients scheduled for laparoscopic upper abdominal surgery 3. Patients with American Society of Anesthesiologist (ASA) physical status I-III

Exclusion criteria

Exclusion criteria: 1. Allergy to the study drug 2. Body weight below 45 kg 3. Body mass index exceeding 40 kg/m2 4. History of thoracotomy or laparotomy 5. Neuropathy of the thoracoabdominal wall 6. Patients with poor capacity for consent 7. Severe hepatic or renal failure 8. Operation time exceeding 4 hours

Design outcomes

Primary

Measure	Time frame
Cutaneous Sensory Block Area (CSBA) after external oblique intercostal block	—

Secondary

Measure	Time frame
1. Distribution of CSBA in the thoracoabdominal wall 2. The extent of dermatomal spread following the EOI block 3. Potential applicability of the block for major upper abdominal surgery incisions 4. The relationship between CSBA and body landmarks 5. Duration of sensory blockade 6. The quality of sonographic imaging during EOI block 7. Pain-related outcomes	—

Countries

Japan

Contacts

Public ContactTakashi Fujino

Juntendo University School of Medicine Department of Anesthesiology and Pain Medicine

t-fujino@juntendo.ac.jp+81-3-3813-3111

Outcome results