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Beneficial effects of high flow nasal cannula (HFNC) versus standard low flow nasal cannula in patients undergoing left atrial appendage occlusion (LAAO) under deep sedation: A randomized pilot crossover trial

Beneficial effects of high flow nasal cannula (HFNC) versus standard low flow nasal cannula in patients undergoing left atrial appendage occlusion (LAAO) under deep sedation: A randomized pilot crossover trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR1800015146
Enrollment
Unknown
Registered
2018-03-08
Start date
2018-03-12
Completion date
Unknown
Last updated
2018-03-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

left atrial appendage occlusion (LAAO)

Interventions

Two groups:high flow nasal cannula (HFNC) Optiflow THRIVE Inhalation 50 litres min-1, 30 minutes versus standard low flow nasal cannula Inhalation 4 litres min-1, 30 minutes

Sponsors

Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Subjects undergoing left atrial appendage occlusion with deep sedation in the cardiac intervention laboratory

Exclusion criteria

Exclusion criteria: 1. Subjects who are unable to tolerate the high flow nasal cannula secondary to discomfort; 2. Subjects who are with aspiration risks and will require endotracheal intubation; 3. Severe obstructive sleep apnoea; 4. Subjects with anticipated difficult airway; 5. Subjects with chronic carbon dioxide retention.

Design outcomes

Primary

MeasureTime frame
Frequency of desaturation episodes;Rate of change of arterial blood gases, including partial pressure of oxygen (PaO2), partial pressure of carbon dioxide and pH over time;Need for airway manipulation;

Secondary

MeasureTime frame
Respiratory rate;Tolerability;Postoperative outcome in the recovery unit;

Countries

China

Contacts

Public ContactTeresa Hing Yan Tsang

Department of Anaesthesia and Intensive Care, Prince of Wales Hospital

teresahytsang@gmail.com+852 98069139

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026