# Midline vs. Paramedian Approaches for US-assisted Spinal Anesthesia

> **NCT03491943** · NA · COMPLETED · sponsor: **Seoul National University Hospital** · enrollment: 112 (actual)

## Conditions studied

- Anesthesia, Spinal
- Ultrasonography

## Interventions

- **PROCEDURE:** ultrasound-assisted midline approach
- **PROCEDURE:** ultrasound-assisted paramedian approach

## Key facts

- **NCT ID:** NCT03491943
- **Lead sponsor:** Seoul National University Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-04-27
- **Primary completion:** 2018-10-08
- **Final completion:** 2018-10-09
- **Target enrollment:** 112 (ACTUAL)
- **Last updated:** 2019-12-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03491943

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03491943, "Midline vs. Paramedian Approaches for US-assisted Spinal Anesthesia". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT03491943. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*