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Rheumatic Heart Disease III: Medical Management01:21

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Rheumatic heart disease (RHD) management can be divided into two main strategies: prevention and long-term management.Primary PreventionPrimary prevention focuses on timely diagnosis and management of group A streptococcal pharyngitis to prevent acute rheumatic fever. The most widely used antibiotic for treating this condition is intramuscular benzathine penicillin G.Acute Rheumatic Fever TreatmentThe primary treatment goal for a patient diagnosed with acute rheumatic fever is to suppress the...
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Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
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Spirochetes, unique bacteria in the phylum Spirochaetes, are gram-negative, motile, tightly coiled, slender, and flexible. They inhabit aquatic sediments and animals, with some causing diseases like syphilis. Spirochetes are classified into eight genera based on habitat, pathogenicity, phylogeny, and characteristics.Their distinctive motility arises from endoflagella, located within the cell’s periplasm. These endoflagella anchor at the cell poles and extend along the cell length, encased...
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Coryneform bacteria are gram-positive, aerobic, nonmotile rods that exhibit irregular, club-shaped, or V-shaped arrangements. Their V-shape results from snapping division, where the inner cell wall layer forms the cross-wall, while the outer layer remains intact until it ruptures on one side, causing the daughter cells to bend away.The primary genera are Corynebacterium and Arthrobacter. Corynebacterium includes diverse species, ranging from saprophytes to pathogens like Corynebacterium...
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Updated: Jan 10, 2026

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アルコール 摂取 と 心血管 疾患: アメリカ 心臓 協会 の 科学 的 な 声明

Mariann R Piano, Gregory M Marcus, Dawn M Aycock

    Circulation
    |June 9, 2025
    PubMed
    まとめ

    適度なアルコール摂取は 心血管疾患に有益ですが 過剰なアルコール摂取は 心血管疾患のリスクを大幅に高めます 適度 に 飲酒 する こと を 確かめる ため に,さらなる 研究 が 必要

    キーワード:
    AHAの科学発表アルコール摂取量心房細動心血管疾患冠動脈疾患心筋梗塞 血圧上昇リスク軽減行動

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    科学分野:

    • 心臓病科
    • 公衆衛生
    • 流行病学

    背景:

    • アルコールの消費は 世界的に広まっており 心血管の健康と 複雑に絡み合っています
    • 観察的研究はアルコールと心臓病の研究を主宰し,しばしばバイアスと混乱要因によって制限されます.

    研究 の 目的:

    • アルコール摂取と様々な心血管疾患の複雑な関係を見直す
    • 低から中程度のアルコール摂取と重度のアルコール摂取を区別する

    主な方法:

    • 既存の観察研究と利用可能な試験データの体系的なレビューと合成.
    • アルコール摂取量と特定の心血管疾患との関連分析

    主要な成果:

    • 低~中程度のアルコール摂取量 (≤1〜2杯/日) は,冠動脈疾患,脳卒中,突然死,心不全の可能性を減少させる可能性がある.
    • 大量アルコール摂取 (≥3杯/日または乱飲) は,研究されたすべての疾患において,一貫して不良心血管疾患と関連しています.
    • 1~2杯の飲酒が心房細動のリスクに与える影響は不明である.

    結論:

    • 軽度から適度な飲酒は 心血管疾患のリスクを増やさないかもしれませんが 健康的なライフスタイルにおけるその役割は不明です
    • 過剰なアルコール摂取は 心血管疾患に重大な危険をもたらします
    • 臨床医は 身体活動や禁煙や体重管理などの 既定の健康的な生活習慣を優先すべきです