# the Relationship Between Vertebral Body Length, Subarachnoid Space Width and Block Level

> **NCT05201261** · — · UNKNOWN · sponsor: **Shengjing Hospital** · enrollment: 50 (estimated)

## Conditions studied

- Combined Spinal Epidurai Anesthesia
- Lower Extremity Surgery

## Interventions

- **DEVICE:** ltrasonic measure

## Key facts

- **NCT ID:** NCT05201261
- **Lead sponsor:** Shengjing Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-02
- **Primary completion:** 2023-02
- **Final completion:** 2023-02
- **Target enrollment:** 50 (ESTIMATED)
- **Last updated:** 2022-01-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05201261

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05201261, "the Relationship Between Vertebral Body Length, Subarachnoid Space Width and Block Level". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT05201261. Licensed CC0.

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