# Transcatheter Microguidewire Drilling for Transseptal Left Atrial Access

> **NCT04561908** · NA · UNKNOWN · sponsor: **China National Center for Cardiovascular Diseases** · enrollment: 100 (estimated)

## Conditions studied

- Heart Diseases
- Atrial Septal Dilatation

## Interventions

- **DEVICE:** Transseptal puncture with Brockenbrough-needle
- **DEVICE:** Microguidewire-assisted transseptal puncture

## Key facts

- **NCT ID:** NCT04561908
- **Lead sponsor:** China National Center for Cardiovascular Diseases
- **Sponsor class:** OTHER_GOV
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-09-04
- **Primary completion:** 2022-09-04
- **Final completion:** 2022-12-01
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2022-04-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04561908

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04561908, "Transcatheter Microguidewire Drilling for Transseptal Left Atrial Access". Retrieved via AI Analytics 2026-05-23 from https://api.ai-analytics.org/clinical/NCT04561908. Licensed CC0.

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