コミュニティにおける無症状のミトラル弁の転落の自然史
Jean-François Avierinos1, Bernard J Gersh, L Joseph Melton
1Division of Cardiovascular Diseases, Mayo Clinic, Rochester, Minn 55905, USA.
Circulation
|September 11, 2002
まとめ
症状のないミトラ弁の転落 (MVP) の結果は大きく異なります. 中度から重度のミトラル反発などの危険因子を特定することで,重度の結果を予測できるが,リスク因子はほとんどなく,優れた予後を暗示する.
科学分野:
- 心臓病学 心臓病学
- エコーカルディオグラフィー エコーカルディオグラフィー
- エピデミオロジー エピデミオロジー
背景:
- ミトラル弁の転落 (MVP) の予後は,不一致な合併症率のために議論されています.
- 無症状のMVPの診断と結果は,コミュニティーベースのさらなる調査を必要とします.
研究 の 目的:
- コミュニティの環境で無症状のミトラ弁の転落 (MVP) の長期的な結果を調査する.
- MVP患者における心血管疾患および死亡率の臨床およびエコーカルディオグラフィの予測要因を特定する.
主な方法:
- 1989年から1998年の間に無症状MVPと診断されたオルムステッド郡の住民833人を対象としたコミュニティベースのコホート研究.
- 診断はエコーカルディオグラフィで確認され,4581人年における死亡率,心血管疾患,MVP関連イベントの分析が行われました.
- リスクファクターの分析には,ミトラル逆流症の重症度,エジェクション分数,左心房のサイズ,フライル小冊子,心房細動,年齢が含まれていました.
主要な成果:
- 10年間の死亡率は19%で,中度から重度のミトラル反発と低射出分子は,心血管疾患による死亡の主な危険因子である.
- 二次リスク因子 (軽度のミトラル反吐,左心房の拡大,フライル小冊子,心房細動,年齢50歳以上) は,心血管疾患を予測した.
- 0〜1の二次リスク因子を持つ患者は,優れたアウトカム (5%の10年死亡率) を有したが,≥2の因子を持つ患者は,より高い罹病率とMVP関連のイベントを有していた.
結論:
- 無症状MVPの自然経歴は非常に変動し,一部の患者は重篤な合併症を経験します.
- 臨床的およびエコーカルディオグラフィの特徴は,患者を異なる予後グループに分類することができます.
- 症状のないMVP患者の大半は,優れた予後があるが,サブセットは,高い罹病率または死亡率の可能性のために,密接なモニタリングを必要とする.
関連する概念動画
Social Traps
Social traps are negative situations where people get caught in a direction or relationship that later proves to be unpleasant, with no easy way to back out of or avoid. The concept was orignally introduced by John Platt who applied psychology to Garrett Hardin's "Tragedy of the Commons", where in New England herd owners could let their cattle graze in the common ground. This situation seems like a good idea, but an individual could have an advantage. If they owned more cows, the larger...
Social Facilitation
Not all intergroup interactions lead to negative outcomes. Sometimes, being in a group situation can improve performance. Social facilitation occurs when an individual performs better when an audience is watching than when the individual performs the behavior alone. This typically occurs when people are performing a task for which they are skilled.
Classification of Illness
The meaning of illness is individualized to each person who experiences an alteration in health. In contrast, disease is a medical term indicating a pathological change in the structure and function of the body or mind. It is a condition that has specific symptoms and boundaries.
An illness is a response to a disease in which the person's level of functioning is changed compared with a previous level. The general classification of illness includes acute and chronic.
Acute illness is severe and...
An illness is a response to a disease in which the person's level of functioning is changed compared with a previous level. The general classification of illness includes acute and chronic.
Acute illness is severe and...
Models of Health Promotion and Illness Prevention II
The person's health status fluctuates continually, varying from being in good health to becoming ill and returning to being healthy. To understand the concept of illness prevention, there are two models. First, the health-illness continuum model is a graphic representation of an individual's wellness. It states that a person is considered healthy in the absence of physical disease and the presence of good emotional health.
The agent-host-environment model states that disease results from...
The agent-host-environment model states that disease results from...
Therapeutic Drug Monitoring: Affecting Factors
Therapeutic Drug Monitoring (TDM) is the clinical practice of measuring specific drug levels in a patient's blood or body tissues to manage and optimize therapy. TDM is crucial for drugs with narrow therapeutic windows, like warfarin and phenytoin, where incorrect doses can lead to treatment failure or severe side effects. This monitoring ensures the dosage administered is within a safe and effective range. The factors affecting therapeutic drug monitoring include:Patient-Specific Factors:a.
Community Based Intervention
Community-based interventions in mental health represent a paradigm shift from institution-centered care to treatments embedded within the fabric of local communities. By prioritizing inclusion and leveraging existing societal structures, this approach fosters a supportive environment conducive to addressing mental health challenges while promoting individual dignity and agency.
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...


