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Vascular Spasm01:16

Vascular Spasm

The vascular phase, also known as vasospasm, is the initial stage of hemostasis, crucial for preventing excessive bleeding when a blood vessel is injured. After a vessel is cut, nerves in the damaged area trigger pain and other sensory impulses. Simultaneously, the smooth muscles in the vessel wall contract, resulting in a vascular spasm. This contraction reduces the vessel's diameter at the injury site, slowing or stopping blood loss through the vessel wall. Vascular spasms typically last for...
Arteries of the Upper Limbs01:12

Arteries of the Upper Limbs

The subclavian artery transitions into the axillary artery as it exits the chest and enters the axillary region. This artery is critical for supplying blood to the shoulder area, including the head of the humerus, through the humeral circumflex arteries. As the vessel continues into the upper arm or brachium, it becomes the brachial artery. This artery plays a key role in vascularizing the brachial region and bifurcates at the elbow into several branches. These branches include the deep...
Arteries of Lower Limbs01:20

Arteries of Lower Limbs

The external iliac artery transitions out of the body cavity, entering the femoral region of the lower leg, and is renamed the femoral artery at the point where it traverses the body wall. This artery is responsible for the distribution of blood to the thigh's deep muscles and the skin's ventral and lateral regions, achieved through several minor branches and the lateral deep femoral artery, which also spawns a lateral circumflex artery. The knee area receives blood from the genicular artery,...
Peripheral Artery Disease I: Introduction01:30

Peripheral Artery Disease I: Introduction

Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
Peripheral Artery Disease IV: Nursing Management01:26

Peripheral Artery Disease IV: Nursing Management

The nursing management of a patient with peripheral artery disease (PAD) begins with a thorough assessment of the patient’s health history and clinical manifestations.AssessmentHealth History: Evaluate the patient’s history of hypertension, hyperlipidemia, family history of cardiovascular issues, and lifestyle factors such as dietary patterns, smoking, and physical activity.Physical Examination:Assess the affected extremity for decreased or absent peripheral pulses, temperature changes,...

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関連する実験動画

Updated: Jun 25, 2026

Assessment of Vascular Function in Patients With Chronic Kidney Disease
08:50

Assessment of Vascular Function in Patients With Chronic Kidney Disease

Published on: June 16, 2014

外周動脈疾患は,外周動脈疾患である.

K Ouriel1

  • 1Department of Vascular Surgery, The Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA. ouurielk@ccf.org

Lancet (London, England)
|October 25, 2001
PubMed
まとめ
この要約は機械生成です。

周辺動脈疾患 (PAD) の管理は,動脈硬化症とリスク要因の治療に焦点を当てています. クリティカルな肢体イシュケミアは,血管新生手術や,損傷の解剖学に基づく手術などの介入を必要とします.

さらに関連する動画

Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research
08:42

Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research

Published on: October 22, 2014

A Rabbit Venous Interposition Model Mimicking Revascularization Surgery using Vein Grafts to Assess Intimal Hyperplasia under Arterial Blood Pressure
07:02

A Rabbit Venous Interposition Model Mimicking Revascularization Surgery using Vein Grafts to Assess Intimal Hyperplasia under Arterial Blood Pressure

Published on: May 15, 2020

関連する実験動画

Last Updated: Jun 25, 2026

Assessment of Vascular Function in Patients With Chronic Kidney Disease
08:50

Assessment of Vascular Function in Patients With Chronic Kidney Disease

Published on: June 16, 2014

Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research
08:42

Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research

Published on: October 22, 2014

A Rabbit Venous Interposition Model Mimicking Revascularization Surgery using Vein Grafts to Assess Intimal Hyperplasia under Arterial Blood Pressure
07:02

A Rabbit Venous Interposition Model Mimicking Revascularization Surgery using Vein Grafts to Assess Intimal Hyperplasia under Arterial Blood Pressure

Published on: May 15, 2020

科学分野:

  • 血管医学 血管医学とは
  • 心血管外科手術についてです.

背景:

  • 下肢の周辺動脈疾患 (PAD) は,しばしば中断性閉塞を引き起こすが,ライフスタイルの変化と薬剤による管理が可能である.
  • 系統性動脈硬化症は,多くのPAD患者において,四肢喪失よりも大きな死亡リスクをもたらします.
  • 休息時の痛み,潰瘍,またはガングレネによって特徴づけられる臨界四肢不全症 (CLI) は,四肢喪失のリスクを大幅に高めます.

研究 の 目的:

  • 周辺動脈疾患 (PAD) の管理戦略を概説する.
  • 断続性クラウジケーションと臨界四肢缺血 (CLI) の治療アプローチを区別する.
  • 病変の特徴に基づいて,CLIのための介入選択を導くために.

主な方法:

  • PADの現在の治療ガイドラインのレビュー.
  • PAD患者におけるリスク要因とアウトカムの分析.
  • CLIにおける血管内および外科的再血管化の解剖学的考慮事項の評価.

主要な成果:

  • 一般的な動脈硬化リスクファクターの管理は,PADのプライマリです.
  • Limb salvageの介入は,CLIに予約されています.
  • 皮膚内干渉は焦点病変に適しており,より長い病変では外科的再血管化は好ましい.

結論:

  • PADの管理には2つのアプローチが必要です:システムリスクの軽減とCLIの肢体特有の治療.
  • CLIに対する介入の選択は,病変の長さと解剖学によって決定されます.
  • CLIでの結果の最適化には,再血管化戦略を策定することが必要である.