Daily Life Activities in Patients Treated With Continuous-Flow Left Ventricular Assist Devices (Act-VAD)
Daily Life Activities in Patients Treated With Continuous-Flow Left Ventricular Assist Device
調査の概要
詳細な説明
In patients with terminal HF the gold standard for treatment is heart transplantation, though the Worldwide shortage of donor organs has led to increased use of implantable mechanical circulatory support devices. The treatment with implantable pumps in the form of a Continuous Flow Left Ventricular Assist Device (CF-LVAD, or simply LVAD) is extremely effective for a selected patient groups leading to significant improvement in survival and quality of life.
The device is a battery-powered flow pump that carries the blood from the left ventricle to the main artery, via a cannula, and thus relieves the failing left ventricle with up to 10 liters of blood per minute. An LVAD can be used both as lifelong support therapy (Destination Therapy, DT) or until transplantation can take place (Bridge therapy).
As patients today live for more than 10 years with the device as DT, the focus has shifted from mere survival to quality of life and physical ability.
In recent years, our research group showed that the pump speed and the patient's baseline heart rhythm (sinus rhythm vs atrial fibrillation) and reduced ability to regulate the intrinsic rhythm after implantation (chronotropic incompetence) are significant contributors to the reduced exercise capacity seen in this patient group.
Until now, studies have elucidated the work capacity of this patient group using a 6-minute walk test or bicycle test - none of these reflect how well the patient actually functions in his everyday life.
In this study, we will describe oxygen uptake related to specific daily activities (ADL-VO2) and compare these with the well-known maximum work capacity (percentage of expected oxygen uptake / pVO2) in this patient group.
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
研究連絡先
- 名前:Kiran K Mirza, MD
- 電話番号:+4535451442
- メール:KMIR0003@regionh.dk
研究連絡先のバックアップ
- 名前:Finn Gustafsson, MD, PhD, DMSci
- 電話番号:004535459743
- メール:finn.gustafsson@regionh.dk
研究場所
-
-
DK
-
Copenhagen、DK、デンマーク、2100
- 募集
- Rigshospitalet
-
-
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
LVADs:
Inclusion Criteria:
- Implanted durable left ventricular assist device
- Age>18yrs
- Signed informed consent
Exclusion Criteria:
- No consent
- Not able to complete VO2 test (physicians decision)
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:他の
- 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 |
---|---|
実験的:LVAD recipients
Peak oxygen uptake vs VO2 measure during specific daily life activities in LVAD recipients
|
Oxygen uptake measured on bike (pVO2) and during the conduction of specific daily life activities (ADL-VO2).
|
実験的:Healthy controls
Peak oxygen uptake vs VO2 measure during specific daily life activities in healthy controls.
|
Oxygen uptake measured on bike (pVO2) and during the conduction of specific daily life activities (ADL-VO2).
|
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 |
---|---|---|
VO2
時間枠:Stable LVAD recipients on average 2 years after the implantation
|
Oxygen uptake
|
Stable LVAD recipients on average 2 years after the implantation
|
協力者と研究者
スポンサー
捜査官
- 主任研究者:Finn Gustafsson, MD,PhD,DMSci、Rigshospitalet, Denmark
研究記録日
主要日程の研究
研究開始 (実際)
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 (実際)
学習記録の更新
投稿された最後の更新 (実際)
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
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。