Patient-ventilator Asynchrony During Mechanical Invasive Assisted-ventilation in Pediatric Patients (NavPed-Inv)
The purpose of this study is to document the prevalence and type of asynchronies incidence during invasive mechanical ventilation in pediatric patients breathing under pressure support.
And to observe the impact of adjusting the expiratory trigger setting on asynchronies, and compare these incidences with asynchronies measured in pediatric patient breathing under NAVA system (Neurally Adjusted Ventilatory Assist).
調査の概要
詳細な説明
Two sessions will be recorded, one in PSV, one with NAVA, delivered in a random order after being sure the infant is calm and comfortable, according to his parents and/or the nurse in charge.
Criteria for initiating invasive ventilation and to start PSV will follow the usual practice guidelines of the unit.
Ventilation parameters in PS will be adjusted by the clinician in charge of the patient, as usual based on clinical observation. Investigators will not interfere with ventilator settings. Ventilation will be applied via an endotracheal tube, uncuffed for the majority (if infant < 5 years), according to commonly applied guidelines in this unit.
One 15 minutes session will be recorded, after being sure the infant is calm and comfortable according to the parents and/or the nurse in charge. Then the clinician in charge of the patient will modify the ETS, first decreasing it of 10% below the initial set value, and will be recorded the following 5 minutes after stabilization and secondly increasing it of 10% above the initial set value, and will be recorded the following 5 minutes after stabilization.
NAVA will be set to deliver initially the same peak pressure (comparable level of assist) than during the initial PS period. Same PEEP will be delivered in both modes. This is possible with a pre-visualization window, allowing adjustments before switching to the NAVA mode. Nava ventilation will be recorded during 20 minutes.
The 2 sessions, Pressure support and Nava, will be recorded consecutively.
研究の種類
入学 (予想される)
段階
- 適用できない
連絡先と場所
研究場所
-
-
-
Geneva、スイス、1211
- 募集
- University Hospital of Geneva
-
コンタクト：
- Laurence Vignaux
- 電話番号：0041223727448
- メール：laurence.vignaux@hcuge.ch
-
コンタクト：
- Peter Rimenberger
- 電話番号：00412237 24 730
- メール：peter.rimensberger@hcuge.ch
-
主任研究者：
- Peter Rimensberger, MD
-
副調査官：
- Laurence Vignaux
-
副調査官：
- Thomas Jaecklin, MD
-
副調査官：
- Serge Grazioli, MD
-
副調査官：
- Lise Piquilloud
-
副調査官：
- Philippe Jolliet, Pr
-
副調査官：
- Didier Tassaux, MD
-
-
参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
説明
Inclusion Criteria:
- all consecutive patients from 4 weeks to 12 years (post natal interm infants) admitted to the pediatric intensive care unit (PICU) and receiving mechanical ventilation in pressure support ventilation
Exclusion Criteria:
- Non treated pneumothorax
- Hemodynamic instability
- At least 2 hours following the admission in the PICU in post cardiac surgery
- FiO2 > 0.6
- Poor short term prognosis (defined as a high risk of death in the next seven days)
- contraindication for gastric tube or obtention of a reliable EMGdi signal
- Known esophageal problem (hiatal hernia, esophageal varicosities)
- Active upper gastro-intestinal bleeding or any other contraindication to the insertion of a naso-gastric tube
- Neuromuscular disease
- Patients with a pacemaker
研究計画
研究はどのように設計されていますか？
デザインの詳細
- 主な目的：基礎科学
- 割り当て：ランダム化
- 介入モデル：クロスオーバー割り当て
- マスキング：なし（オープンラベル）
武器と介入
参加者グループ / アーム |
介入・治療 |
|---|---|
|
アクティブコンパレータ：Pressure support
in this arm, pressure support will be recorded under 3 conditions:
|
Ventilation under pressure support
|
|
実験的：NAVA
Neurally Adjusted ventilatory Assist is a ventilation mode where the ventilator is piloted by the electrical activity of the diaphragm Ventilation is triggered and cycled off by the electrical activity of the diaphragm, the pressure delivered being proportional to this activity.
|
Ventilation under NAVA
|
この研究は何を測定していますか？
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
asynchronies
時間枠：12 months
|
Asynchronies during mechanical ventilation are the following: Auto triggering, double triggering, late cycling, premature cycling and ineffective effort. all ventilatory parameters are recorded under Pressure support (3 phases: 3 levels of expiratory trigger setting, initial, +10% and -10%, 15 min, 5 min and 5 min respectively) and NAVA (1 phase, 20 min). Asynchronies will be determined by measuring each ventilatory cycle of all recordings. |
12 months
|
協力者と研究者
捜査官
- 主任研究者：Peter Rimensberger, MD、University Hospital of Geneva
研究記録日
主要日程の研究
研究開始
一次修了 (予想される)
研究の完了 (予想される)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (見積もり)
学習記録の更新
投稿された最後の更新 (見積もり)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
本研究に関する用語
キーワード
その他の研究ID番号
- HUG-matped 09-253
この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。