自動インプラント可能な心臓変容器除細動器. 現在の状況 現在の状況
A S Manolis1, H Rastegar, N A Estes
1Cardiac Arrhythmia Service, Tufts University School of Medicine, New England Medical Center, Boston, Mass. 02111.
JAMA
|September 8, 1989
まとめ
自動植入式心房変圧器 (AICD) は,心房細動などの生命を脅かす心臓リズムを検知し,停止します. 1980年以来,AICD技術は進歩し,高リスク患者の急性心臓死亡を大幅に削減しました.
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
- 医療機器 医療機器について
背景:
- 自動植入式心房変圧器 (AICD) は,心室細動を治療するために開発されました.
- 1980年の最初のヒトインプラント以来,5000以上のAICDが埋め込まれています.
- AICDの臨床経験は大幅に増加しています.
研究 の 目的:
- AICD技術の進化と影響をレビューする.
- 心律失調症の管理におけるAICDの有効性を評価する.
- アリズム障害による死亡率と突然死率の減少を評価する.
主な方法:
- AICDにおける臨床データと技術的進歩のレビュー.
- インプラントの数と患者のアウトカムの分析.
- 器具の感知能力と静脈動脈拍動および動の終止能力の評価.
主要な成果:
- AICD技術は,その誕生以来急速に進化してきました.
- この装置は,現在,心室動脈短拍と動の両方を検知し,終了させることができます.
- AICD患者では突然死亡率の有意な減少が観察されています.
結論:
- AICDは,不律性疾患による死亡率の減少に大きな影響を与えました.
- 理想的な抗不律性器具ではないにもかかわらず,突然死率を効果的に低下させます.
- AICDは,生命を脅かす不律症を経験する高リスク患者集団にとって重要な介入です.
関連する概念動画
Pulse 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...
Dysrhythmias VI: Management of Dysrhythmias
Dysrhythmia management involves a multifaceted approach, incorporating pharmacological treatments, medical procedures, surgical interventions, lifestyle modifications, and patient education.Pharmacological ManagementAntiarrhythmic Drugs:Class I (Sodium Channel Blockers): This class includes quinidine and procainamide, which reduce the speed of impulse conduction in the heart, stabilize the cardiac membrane, and control arrhythmias. Quinidine and procainamide are Class IA agents that prolong the...
Cardiopulmonary Resuscitation III: AED Use
Introduction to AEDAn Automated External Defibrillator (AED) is a portable medical device that analyzes the heart's rhythm and, if necessary, delivers an electrical shock to help the heart re-establish an effective rhythm during sudden cardiac arrest (SCA). SCA occurs when the heart suddenly and unexpectedly stops beating, leading to a loss of blood flow to the brain and other vital organs. In such emergencies, time is of the essence, and using an AED, combined with Cardiopulmonary...
Heart 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.
Cardiomyopathy 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,...
Cardiomyopathy 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...


