心血管病理学における性差: 保存された排泄分子の心不全で女性が過剰に代表される理由
Anna L Beale1,2,3, Philippe Meyer3, Thomas H Marwick1,2
1Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia (A.L.B., T.H.M., D.M.K.).
Circulation
|July 11, 2018
まとめ
女性では,心不全の傾向が高く,発射分数保存 (HFpEF) がある. このレビューでは,女性のHFpEFリスクに寄与する心臓機能,循環,および併発性における性別による差異を調査しています.
科学分野:
- 心臓病科
- 生殖 健康
- 流行病学について
背景:
- 流行病学的な研究は,一貫して,男性と比較して女性において保存されたエジェクション分数 (HFpEF) による心不全の有病率が高いことを示している.
- 性差に寄与する生物学的および臨床的要因を理解することは,HFpEFの知識と治療の進歩に不可欠です.
研究 の 目的:
- HFpEFにおける心臓の構造と機能,心臓血管循環,心臓外因子の性に影響を評価する.
- HFpEFに対する女性の傾向を説明する潜在的なメカニズムを特定する.
- HFpEFの診断と治療における性別特有の考慮事項について議論する.
主な方法:
- 既存の疫学および生理学的データの文献レビューと合成.
- 心臓と血管領域における性特有の影響の評価
- HFpEFの病原性における心臓外因子と併発症の分析
主要な成果:
- 性別は心臓の構造,全身および肺循環,およびHFpEFに関連する心臓外要因に影響する.
- 妊娠,妊娠前出血症,鉄欠乏などの要因は,女性のHFpEFリスクに寄与する可能性があります.
- HFpEFの性別差に関する知識のギャップと論争は依然として存在します.
結論:
- 性別は,HFpEFの病理生理学と臨床表現の決定的な決定因子です.
- 性別特有の要因は,HFpEFメカニズムを明らかにするためにさらなる調査を正当化します.
- 性別に応じて診断基準,リスクの階層化,治療戦略を調整することで,全てのHFpEF患者さんの治療結果が改善される可能性があります.
関連する概念動画
01:29Heart Failure II: Pathophysiology
975
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...
975
01:17Pathophysiology of Heart Failure
3.8K
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...
3.8K
01:27Heart Failure I: Introduction
924
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...
924
01:22Heart Failure VI: Adjunct Therapies
368
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.
368
01:22Heart Failure Drugs: Diuretics
990
Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...
990
01:30Heart Failure V: Medical Management
342
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...
342