Clinical use of automated "Expiratory Ventilation Assistance" - an observational study

Clinical use of automated "Expiratory Ventilation Assistance" - an observational study - EVA-Observation

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00013312

Enrollment

Registered

2017-11-21

Start date

2017-11-24

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

intraoperative ventilation

Interventions

Group 1: For patients treated with the ventilator (Evone, Ventinova medical B. V.) and the tube (Tritube, Ventinova medical B. V.), data from the ventilator will be directly recorded via the designate

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: ASA status I - III; elective procedure in ENT surgery; scheduled duration of procedure < 120 min; general anaesthesia;

Exclusion criteria

Exclusion criteria: laser surgery; COPD > GOLD II; other known lung diseases; pacemaker; other active implanted devices; known valvular diseases; known difficult airway; emergency procedure; pregnancy; participation in other studies concerning intraop. ventilation

Design outcomes

Primary

Measure	Time frame
Combination of etCO2, minute ventilation and tracheal pressure difference (delta p-trach). Continuosly recorded during anaesthesia.	—

Secondary

Measure	Time frame
SpO2, FiO2, respiratory system compliance (quasi-static as well as intratidal dynamic), tidal volume, respiratory rate, mean arterial pressure, heart rate, BIS index	—

Countries

Germany

Contacts

Public ContactJohannes Schmidt

Klinik für Anästhesiologie und IntensivmedizinUniversitätsklinikum Freiburg

johannes.schmidt@uniklinik-freiburg.de+49 761 270 23060

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 22, 2026