# Erector Spinae Plane (ESP) Block With 20 ml Versus 30 ml in Cardiac Surgery

> **NCT04928521** · NA · COMPLETED · sponsor: **Ankara City Hospital Bilkent** · enrollment: 70 (actual)

## Conditions studied

- Cardiac Surgery
- Postoperative Pain

## Interventions

- **PROCEDURE:** bilateral erector spinae plane block with 30 mL 0.25 % bupivacaine
- **PROCEDURE:** bilateral erector spinae plane block with 20 mL 0.25 % bupivacaine

## Key facts

- **NCT ID:** NCT04928521
- **Lead sponsor:** Ankara City Hospital Bilkent
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-06-01
- **Primary completion:** 2021-08-01
- **Final completion:** 2021-10-01
- **Target enrollment:** 70 (ACTUAL)
- **Last updated:** 2021-12-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04928521

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04928521, "Erector Spinae Plane (ESP) Block With 20 ml Versus 30 ml in Cardiac Surgery". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT04928521. Licensed CC0.

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