Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

Proliferative Phase01:20

Proliferative Phase

1.4K
The proliferative phase typically occurs after menstruation and lasts between 6 to 13 days in a standard 28-day cycle. This phase involves the reconstruction of the endometrium, guided by estrogen produced by the developing ovarian follicle.
Notably, the stratum basale, the basal layer of the endometrium, including the basal parts of the uterine glands, remains unaffected by menstruation. Stem cells in this layer undergo mitosis, regenerating the stratum functionalis and thickening the...
1.4K
Review and Preview01:10

Review and Preview

8.4K
In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
Percentiles are a type of fractile that partition data into...
8.4K
Review and Preview01:13

Review and Preview

11.1K
Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
11.1K
Random and Systematic Errors01:20

Random and Systematic Errors

14.8K
Scientists always try their best to record measurements with the utmost accuracy and precision. However, sometimes errors do occur. These errors can be random or systematic. Random errors are observed due to the inconsistency or fluctuation in the measurement process, or variations in the quantity itself that is being measured. Such errors fluctuate from being greater than or less than the true value in repeated measurements. Consider a scientist measuring the length of an earthworm using a...
14.8K
Systematic Sampling Method01:17

Systematic Sampling Method

13.0K
Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
Systematic sampling is one of the simplest methods...
13.0K
Propagation of Uncertainty from Systematic Error01:10

Propagation of Uncertainty from Systematic Error

1.4K
The atomic mass of an element varies due to the relative ratio of its isotopes. A sample's relative proportion of oxygen isotopes influences its average atomic mass. For instance, if we were to measure the atomic mass of oxygen from a sample, the mass would be a weighted average of the isotopic masses of oxygen in that sample. Since a single sample is not likely to perfectly reflect the true atomic mass of oxygen for all the molecules of oxygen on Earth, the mass we obtain from this...
1.4K

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

Microsurgical Treatment of Lenticulostriate Artery Aneurysms: A Single-Surgeon Case Series and Systematic Review of the Literature.

Operative neurosurgery (Hagerstown, Md.)·2026
Same author

Cerebrovascular vulnerability and fibrosis in human brain aneurysms.

Nature neuroscience·2026
Same author

Interobserver Agreement of R<sub>2</sub>eD Brain Arteriovenous Malformation Scoring.

Neurosurgery practice·2026
Same author

Malignant Melanoma Presenting as a Cavernous Malformation: Systematic Literature Review and Report of 4 Illustrative Cases.

World neurosurgery·2026
Same author

International multi-center study to quantify the effect of deep venous drainage after surgical resection of Spetzler-Martin Grade II-III brain arteriovenous malformations.

Neurosurgical review·2026
Same author

Where Are We Now? Benchmarking Large Language Models (LLMs) in Computed Tomography (CT)-Based Detection of Intracranial Hemorrhage.

Cureus·2026

関連する実験動画

Updated: Jan 28, 2026

Quantification of Vascular Parameters in Whole Mount Retinas of Mice with Non-Proliferative and Proliferative Retinopathies
12:28

Quantification of Vascular Parameters in Whole Mount Retinas of Mice with Non-Proliferative and Proliferative Retinopathies

Published on: March 12, 2022

4.3K

増殖性血管症：システマティックレビュー

Nolan J Brown1, Brian V Lien1, Jeff Ehresman2

  • 1Department of Neurological Surgery University of California-Irvine Orange CA.

Stroke (Hoboken, N.J.)
|January 26, 2026
PubMed
まとめ

脳増殖性血管症（CPA）は、無秩序な血管新生を特徴とするdistinctな血管奇形です。現在の治療法は様々ですが、保存的治療と塞栓術が最も一般的ですが、外科的介入の効果は不明なままです。

キーワード:
動脈瘤奇形動静脈奇形脳増殖性血管症塞栓術出血梗塞虚血血行再建術

さらに関連する動画

Establishment of Proliferative Tetraploid Cells from Nontransformed Human Fibroblasts
10:04

Establishment of Proliferative Tetraploid Cells from Nontransformed Human Fibroblasts

Published on: January 8, 2017

7.6K
Author Spotlight: Demonstrating Systematic Endobronchial Ultrasound to New Endoscopists
05:22

Author Spotlight: Demonstrating Systematic Endobronchial Ultrasound to New Endoscopists

Published on: August 11, 2023

2.8K

関連する実験動画

Last Updated: Jan 28, 2026

Quantification of Vascular Parameters in Whole Mount Retinas of Mice with Non-Proliferative and Proliferative Retinopathies
12:28

Quantification of Vascular Parameters in Whole Mount Retinas of Mice with Non-Proliferative and Proliferative Retinopathies

Published on: March 12, 2022

4.3K
Establishment of Proliferative Tetraploid Cells from Nontransformed Human Fibroblasts
10:04

Establishment of Proliferative Tetraploid Cells from Nontransformed Human Fibroblasts

Published on: January 8, 2017

7.6K
Author Spotlight: Demonstrating Systematic Endobronchial Ultrasound to New Endoscopists
05:22

Author Spotlight: Demonstrating Systematic Endobronchial Ultrasound to New Endoscopists

Published on: August 11, 2023

2.8K

科学分野:

  • 神経学
  • 血管外科
  • 放射線科

背景:

  • 脳増殖性血管症（CPA）は、無秩序な血管新生と真のニドゥスの欠如により、動静脈奇形とは異なるdistinctな血管奇形です。
  • CPAは、虚血、血管新生、および異常な灌流のサイクルによって特徴付けられ、異常な血流パターンにつながります。
  • 歴史的に、CPAの治療は保存的治療に依存してきましたが、その自然史に関する理解が限られているため、効果的な介入が妨げられています。

研究 の 目的:

  • 脳増殖性血管症（CPA）に関する既存の文献を系統的にレビューすること。
  • CPA症例における患者の人口統計、提示症状、および神経学的障害を分析すること。
  • CPAの様々な治療法の有効性と予後を評価すること。

主な方法:

  • 関連研究を特定するために、4つのデータベースで系統的な検索が実施されました。
  • 抽出されたデータには、研究サンプルサイズ、出版年、患者の年齢と性別、臨床像、および神経学的状態が含まれていました。
  • 介入の種類、追跡期間、および患者の予後（報告されたものおよび機能的なもの）も抽出されました。

主要な成果:

  • レビューには、主に症例報告および症例シリーズである105例のCPAを網羅する48件の研究が含まれていました。
  • 保存的治療（53.4％）および血管内塞栓術（36.9％）が最も頻繁に行われた治療法でした。
  • 頭蓋内出血は11人の患者に発生し、10人は減圧開頭術を受けました。血行再建術は5人の患者に使用されました。

結論:

  • 研究が不足しているにもかかわらず、distinctな特徴がCPAを動静脈奇形と区別します。
  • CPAの外科的介入の有効性は未確定のままです。
  • CPAの自然史と最適な治療戦略を明確にするためには、さらなる研究が必要です。