# Compare a New Method and Formula as a Guide for the Intubation of a Left-sided Double-lumen Tube

> **NCT03545737** · — · COMPLETED · sponsor: **The First Hospital of Qinhuangdao** · enrollment: 60 (actual)

## Conditions studied

- Therapeutic Procedural Complication

## Interventions

- **OTHER:** Measurement
- **OTHER:** Formula

## Key facts

- **NCT ID:** NCT03545737
- **Lead sponsor:** The First Hospital of Qinhuangdao
- **Sponsor class:** OTHER_GOV
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2018-06-15
- **Primary completion:** 2018-11-21
- **Final completion:** 2018-12-13
- **Target enrollment:** 60 (ACTUAL)
- **Last updated:** 2023-02-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03545737

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03545737, "Compare a New Method and Formula as a Guide for the Intubation of a Left-sided Double-lumen Tube". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT03545737. Licensed CC0.

---

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