関連する実験動画
Updated: Jul 6, 2026
08:49
Use of Two Intracorporeal Ventricular Assist Devices As a Total Artificial Heart
Published on: May 11, 2018
心不全の長期治療のための循環支援:心室内連続流量ポンプの経験
Stephen Westaby1, Adrian P Banning, Satoshi Saito
1Oxford Heart Centre, Oxford, UK. swestaby@AHF.org.uk
Circulation
|June 5, 2002
まとめ
ジャルビック2000軸流量ポンプは,心不全の進行時の信頼性の高い機械的ソリューションを提供します. この連続フロー装置は,臨床試験で患者の生活の質と本来の心臓機能を大幅に改善しました.
科学分野:
- 心臓病学 心臓病学
- バイオメディカルエンジニアリング
- 機械的な循環器のサポート
背景:
- 先進的な心不全では,複雑なリスクが低い信頼性の高い機械的な解決策が必要です.
- ニューヨーク心臓協会のクラスIVの長期治療のための軸流量ポンプの臨床試験が開始されました. 移植不適格な患者.
研究 の 目的:
- 末期心不全に対する機械的な解決策として,Jarvik 2000 連続フロー装置を評価する.
- デバイスの信頼性,患者のアウトカム,および本来の心臓機能の評価.
主な方法:
- 連続フロー装置であるJarvik 2000は,左心室の頂点に埋め込まれました.
- 頭蓋骨ベースの皮膚経由のパワー・デリバリーが利用されました.
- 末期拡張性心筋症の4人の患者は,運動能力,生活の質,デバイスのパラメータ,および本来の心臓機能についてモニタリングされました.
主要な成果:
- 1人の患者は3ヶ月で右心不全で死亡し,他の3人はニューヨーク心臓協会のクラスIまたはIIに改善しました.
- フォローアップ期間は9ヶ月から20ヶ月間であり,装置の故障や血液溶解はなかった.
- 本来の心臓機能と生活の質は著しく改善されました.
結論:
- Jarvik 2000は補助装置として機能し,ネイティブの左心房と連携します.
- このデバイスは,まれな有害事象で優れた生活の質を提供します.
- この血液ポンプは,コミュニティベースの終末期心不全治療のための潜在的な機械的解決策を提供します.
さらに関連する動画
09:31Normothermic Negative Pressure Ventilation Ex Situ Lung Perfusion: Evaluation of Lung Function and Metabolism
Published on: February 14, 2022
08:15Innovative Strategies for Organ Preservation in Heart Transplantation: Uniform Cooling Preservation and Ex-situ Normothermic Perfusion
Published on: November 28, 2025
関連する概念動画
01:30Pulse rhythm
Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...
01:30Heart Failure V: Medical Management
Medical Management of Acute Decompensated Heart Failure (ADHF)The primary goals of therapy for patients hospitalized with acute decompensated heart failure (ADHF) include:Relieving symptomsOptimizing volume statusSupporting oxygenation and ventilationMaintaining cardiac output (CO) and end-organ perfusionIdentifying and addressing the cause of ADHFPreventing complicationsProviding patient education on factors precipitating HF exacerbationPlanning for dischargeOngoing monitoring and assessment...
01:22Heart Failure VI: Adjunct Therapies
Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
01:30Heart Failure VII: Nursing Interventions
The first step in nursing management of a patient with heart failure involves thoroughly assessing the patient's medical history.Subjective Data: Obtain the patient's medical history of coronary artery disease, hypertension, myocardial infarction, and symptoms like dyspnea, orthopnea, and paroxysmal nocturnal dyspnea.Objective Data: Conduct a physical examination to identify findings such as jugular vein distention, pulmonary crackles, tachycardia, murmurs, peripheral edema, and vital signs,...
01:30Cardiomyopathy II: Dilated Cardiomyopathy
Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
01:29Cardiomyopathy V: Interprofessional Care
Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...