# Hyperinflation Respiratory Therapies in Cardiac Surgery Patients

> **NCT04164173** · NA · RECRUITING · sponsor: **University of Texas Southwestern Medical Center** · enrollment: 324 (estimated)

## Conditions studied

- Pulmonary Disease
- Postoperative Complications

## Interventions

- **DEVICE:** EzPAP
- **DEVICE:** Metaneb
- **DEVICE:** Intermittent Positive Pressure Breathing (IPPB)

## Key facts

- **NCT ID:** NCT04164173
- **Lead sponsor:** University of Texas Southwestern Medical Center
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2020-06-15
- **Primary completion:** 2028-08-01
- **Final completion:** 2028-12-31
- **Target enrollment:** 324 (ESTIMATED)
- **Last updated:** 2025-11-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04164173

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04164173, "Hyperinflation Respiratory Therapies in Cardiac Surgery Patients". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT04164173. Licensed CC0.

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