関連する実験動画
Updated: Jan 27, 2026

12:03
Myocardial Infarction and Functional Outcome Assessment in Pigs
Published on: April 25, 2014
28.6K
症状を伴う頸動脈ウェブ患者における梗塞パターン
Sleiman El Jamal1,2,3, Raul G Nogueira2,3, Nirav R Bhatt2,3
1Alpert Medical School of Brown University Providence RI USA.
Stroke (Hoboken, N.J.)
|January 26, 2026
まとめ
頸動脈ウェブ(CaW)は、特に若年者における塞栓性脳卒中の潜在的な原因です。この研究では、症候性CaWに関連する梗塞の放射線学的パターンを詳述し、その塞栓性を示しています。
科学分野:
- 神経学
- 放射線学
- 血管医学
背景:
- 頸動脈ウェブ(CaW)は、特に若年患者における原因不明の脳塞栓症の原因として認識されることが増えている。
- 症候性CaWに関連する梗塞の特定の放射線学的パターンを理解することは、診断と管理にとって重要である。
研究 の 目的:
- 症候性頸動脈ウェブを有する患者における急性脳梗塞の多様な放射線学的パターンを記述すること。
- 頸動脈ウェブと塞栓性脳卒中メカニズムとの関連を評価すること。
主な方法:
- 2つの包括的脳卒中センター(2014年9月~2019年7月)の症候性頸動脈ウェブデータベースの後ろ向き解析。
- 梗塞パターンを特定するために、2名の盲検評価者による磁気共鳴画像診断スキャンの独立したレビュー。
- 修正ファゼカス尺度を用いた先行脳卒中および白質病変の重症度の評価。
主要な成果:
- 梗塞を伴う症候性頸動脈ウェブ患者40例を特定、中央年齢49歳。85%が大血管閉塞脳卒中を呈した。
- 患者の大多数(98%)は、領域性、単一動脈分枝性、または複数の小さな皮質梗塞を含む皮質梗塞を示した。
- 線条体莢膜内包梗塞は患者の15%に存在し、常に皮質梗塞と併存し、塞栓性病因を支持した。
結論:
- 頸動脈ウェブに関連する急性脳梗塞は、塞栓性メカニズムと一致する。
- 頸動脈ウェブは、塞栓源としての可能性から、原因不明の脳卒中患者の病因学的評価において考慮されるべきである。
関連する概念動画
Fixed Action Patterns
17.6K
A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.
17.6K
Patterns of Fever
3.9K
Before understanding the types and patterns of fever, it is essential to know its phases.
3.9K
Oxygen Requirements and Growth Patterns
1.2K
Microorganisms exhibit diverse oxygen requirements and growth patterns driven by their metabolic strategies and environmental adaptations. Oxygen, while essential for many organisms, can also be toxic under certain conditions, shaping how microorganisms grow and survive.Oxygen Requirements of MicroorganismsMicroorganisms are classified based on their ability to use or tolerate oxygen:● Obligate aerobes like Mycobacterium tuberculosis need oxygen for energy production, as it serves as the...
1.2K
¹H NMR Signal Multiplicity: Splitting Patterns
6.5K
When protons A and X are coupled, their nuclear spin energy levels are slightly modified. This is because the energy required to excite proton A to a spin state parallel to proton X is slightly different from the energy required for it to become anti-parallel to spin X. Consequently, there are two possible excitation frequencies for A (A1 and A2), depending on the spin state of X, and vice versa. The mutual nature of coupling implies that the difference between frequencies A1 and A2, indicated...
6.5K
Assessment of the Gastrointestinal System II: Health Perception Pattern
469
Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
469
Patient-centered Care
2.9K
Patient-centered care involves delivering care beyond inpatient hospitalization. Reflective practice can enhance a patient-centered approach. Reflective practice is a process of reasoning that considers all aspects of the present situation, including practicalities, learning from personal practice, and consideration of patient needs. Patients appreciate care decisions made while considering their input. Involving the patient in their care provides the patient with a sense of contribution rather...
2.9K

