心不全におけるサルコペニアとサルコペニック肥満の流行と予後の違い
Yule Hu1, Yan Li2, Huiying Ma3
1School of Nursing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, China; School of Nursing, Chinese Academy of Medical Sciences & Peking Union Medical College, NO.9 Dong Dan San Tiao, 100730, Beijing, China.
The American journal of cardiology
|August 23, 2025
まとめ
病院に入院した心不全患者はしばしばサルコペニアとサルコペニック肥満を患い,再入院と死亡リスクが増加します. 脂肪を減らすだけでなく 筋肉を保ち続けることが 心不全における 肥満のパラドックスを理解するための 鍵となるかもしれません
科学分野:
- 心臓病科
- 高齢者医療
- 栄養学
背景:
- サルコペニアとサルコペニック肥満を,入院した心不全 (HF) 患者,特に若年層で直接比較する証拠は限られている.
- HF肥満のパラドックスを解明するには 身体構成の役割を理解することが重要です
研究 の 目的:
- 入院したHF患者におけるサルコペニアとサルコペニック肥満の流行と臨床的特徴を調査する.
- サルコペニアとサルコペニック肥満の予後効果を比較する.
- HFの肥満のパラドックスについての洞察を提供するために,保護的な身体構成のフェノタイプを特定します.
主な方法:
- 2022年6月から2023年10月まで216人の参加者を対象に実施された前向きなコホート研究.
- 1年間のHF関連再入院またはすべての原因による死亡率 二次的アウトカム: 長期の入院と90日間の有害事象
- 多変数ロジスティック回帰とコックス比例リスク回帰で,体組成と結果の関連性を分析した.
主要な成果:
- サルコペニアの罹患率は26. 4%,サルコペニア性肥満は19. 4%でした. 栄養不良は両群に共通していた (それぞれ77. 2%と71. 4%).
- サルコペニアとサルコペニック肥満は,それぞれ1年間のHF関連再入院または全原因死亡率 (HR=2. 048とHR=1. 932) を予測した.
- サルコペニック肥満も独立して長期入院を予測した (OR=2. 418).
結論:
- 入院したHF患者は,サルコーペニア,サルコーペニック肥満,そして同時に存在する栄養失調と肥満に敏感です.
- 脂肪の量よりも筋肉の量が 保護効果を提供でき,HF肥満のパラドックスを説明する可能性がある.
- 介入は肥満を減らし,同時に筋肉を保ち,増やすことに焦点を当てるべきです.
関連する概念動画
01:17Pathophysiology of Heart Failure
1.8K
Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
1.8K
01:27Heart Failure I: Introduction
54
Heart failure refers to a clinical syndrome caused by structural or functional cardiac disorders that prevent the heart from pumping an adequate amount of blood to meet the body's metabolic needs. This condition often arises from myocardial infarction or ischemia, leading to decreased cardiac output, reduced tissue perfusion, impaired gas exchange, fluid volume imbalance, and decreased functional ability.Heart failure can result from disruptions in the mechanisms that regulate cardiac output...
54
01:29Heart Failure II: Pathophysiology
38
Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
38
01:30Heart Failure IV: Classification and Diagnostic Evaluation
32
Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
32
01:26Heart Failure III: Clinical Manifestations
43
Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
43
01:30Heart Failure VII: Nursing Interventions
139
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,...
139