妊娠中の高体量指数 (≥35 kg/m2) の血液動力学的パラメータへの影響:前向きな観察研究
Majedah Hmeidan1, Francesca M T Leone1, Mohammed W Osman1
1Maternal and Foetal Medicine Unit, University Hospitals of Leicester NHS Trust, Leicester, UK.
まとめ
高BMIの妊婦は,心臓の出力量と脳卒中量が高く,妊娠中の全周抵抗が低い. この独特の母体血液動力学的プロファイルは,潜在的なリスクのさらなる調査を必要とします.
科学分野:
- 心血管の生理学
- 妊婦と胎児の医療
- 肥満に関する研究
背景:
- 妊産婦の肥満は 世界的な健康問題です
- 妊娠中の母親の血液動力学への影響は完全に理解されていません.
- これらの変化を調査することは,妊娠のリスクを理解するために非常に重要です.
研究 の 目的:
- 高BMI (≥35 kg/ m2) の妊婦の血液動力学的適応を検査する.
- これらの適応を低リスクの対照群 (BMI 18.5-24.9 kg/m2) と比較する.
- 母親の肥満に関連する独特の血液動力学的プロフィールを特定する.
主な方法:
- 予期的な観察研究設計
- 非侵襲的な心臓出力モニタリング (NICOM) を利用した.
- 5つの妊娠ウィンドウで評価された心臓出力,脳卒中量,全周抵抗,血圧,心拍数.
主要な成果:
- 高BMIの女性は,対照群と比較して,すべての妊娠期間に一貫して高い心拍数と脳卒中量を示した.
- 高BMI群では,全周抵抗性が有意に低かった.
- 低血圧にもかかわらず,シストリック血圧と平均動脈血圧は高BMIの女性で上昇した.
結論:
- 高BMIの妊婦は独特の血液動力学プロファイルを示します.
- このユニークなプロファイルは,胎盤媒介性疾患のリスクに関するさらなる研究を正当化します.
- これらの血液動力学的変化を理解することは 母親と胎児の健康状態を最適化するために不可欠です
関連する概念動画
Obesity
609
The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
609
Factors affecting Blood pressure
4.2K
Several physiological and lifestyle factors influence blood pressure (BP). Understanding these factors is crucial as they are significant in patient education and blood pressure management.
Physiological Factors:
Physiological Factors:
4.2K
Hormonal Regulation
33.7K
The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
33.7K
Mitral Valve Prolapse III: Nursing Management
35
The nursing management of Mitral Valve Prolapse, or MVP, centers around patient education, symptom monitoring, and lifestyle modifications.Patient Education on MVP Diagnosis and Heredity: Nurses should provide comprehensive education about MVP, a condition where the mitral valve does not close appropriately during heartbeats. This education often includes the condition's pathophysiology, symptoms, and potential complications, like arrhythmias or mitral regurgitation. Though not fully...
35
Pathophysiology of Diabetes
1.2K
Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility,...
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility,...
1.2K
Blood Pressure
4.6K
The movement of blood in a human body, commonly referred to as blood flow, is determined by the volume of blood that traverses a certain section of the bodily system per unit time. It is the rhythmic contraction of the heart's ventricles that primarily instigates this movement. As the ventricles contract, blood is forced into the prominent arteries, which then flow from areas of greater pressure to lower pressure areas. This movement continues into smaller arteries and arterioles and...
4.6K


