関連する実験動画
Updated: Jan 15, 2026

11:19
Robotic Myotomy and Partial Fundoplication for Achalasia
Published on: August 11, 2023
1.9K
アカラシア:UpToDate
Sara Estefany Herrera Mendoza1, Lázaro Arango Molano2, Andrés Sánchez Gil2
1Universidad del Sinú EBZ, Seccional Cartagena, Cartagena, Colombia.
まとめ
アカラシアの管理は、高解像度食道内圧検査などの新しい診断ツールや、経口内視鏡的筋層切開術(POEM)などの治療法によって進歩しています。最適な結果を得るためには、アカラシアのサブタイプと患者の好みを考慮した個別化されたアプローチが重要です。
科学分野:
- 消化器病学
- 食道運動異常症
- 医療技術
背景:
- アカラシアは、原因不明のまれな食道運動異常症です。
- 食道蠕動運動の欠如と下部食道括約筋(LES)の機能不全を伴います。
- 現在の理解では、自己免疫、感染、または遺伝的要因が示唆されています。
研究 の 目的:
- アカラシアにおける最近の診断および管理の進歩をレビューすること。
- 機能分類、新興技術、および効果的な治療戦略を強調すること。
- アカラシア患者を管理する臨床医のための最新の概要を提供すること。
主な方法:
- 記述的な文献レビューを実施しました。
- 科学記事、臨床ガイドライン、および国際的なコンセンサス声明(AGA 2024、ESGE 2025)が含まれます。
- アカラシアの診断と治療の進歩に焦点を当てています。
主要な成果:
- 高解像度食道内圧検査(HRM)を用いたシカゴ分類v4.0は、診断精度を向上させます。
- 経口内視鏡的筋層切開術(POEM)は、特にIII型アカラシアにおいて高い有効性を示します。
- EndoFLIP技術は、下部食道括約筋(LES)の動的評価を支援し、治療を最適化し合併症を減少させます。
結論:
- 現代のアカラシア管理には、個別化された治療戦略が必要です。
- 治療選択は、アカラシアのサブタイプ、利用可能な専門知識、および患者の好みに依存します。
- 診断と治療法の進歩は、アカラシア患者の臨床転帰を向上させます。
関連する概念動画
Myasthenia Gravis: Overview and Treatment
2.8K
Myasthenia gravis is a neuromuscular transmission disorder characterized by weakness and increased fatigability of skeletal muscles. It is an autoimmune disease affecting approximately one in 2000 people, where antibodies against the α1 subunit of nicotinic acetylcholine receptors are produced.
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
2.8K
Gastrointestinal Motility Disorders
1.1K
Gastrointestinal or GI motility disorders are characterized by irregular gastrointestinal tract movements, disrupting food transit from the mouth to the anus. They are caused by damage or dysfunction in gut muscles or nerves. These disorders can cause symptoms such as severe constipation, diarrhea, abdominal pain, and swallowing difficulties. Disorders can affect any segment of the GI tract and range widely in severity, from common conditions like GERD to life-threatening conditions like...
1.1K
Disorders of the Skeletal Muscle
1.7K
The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
1.7K
Chemical Synapses
11.2K
Chemical synapses are specialized sites between two neurons or between a neuron and a non-neuronal cell like a muscle, glandular or sensory cell.
Because chemical synapses depend on the release of neurotransmitter molecules from synaptic vesicles to pass on their signal, there is an approximately one millisecond delay between when the axon potential reaches the presynaptic terminal and when the neurotransmitter leads to opening of postsynaptic ion channels. Additionally, this signaling is...
Because chemical synapses depend on the release of neurotransmitter molecules from synaptic vesicles to pass on their signal, there is an approximately one millisecond delay between when the axon potential reaches the presynaptic terminal and when the neurotransmitter leads to opening of postsynaptic ion channels. Additionally, this signaling is...
11.2K
Chemical Synapses
4.3K
Chemical synapses are specialized sites between two neurons or between a neuron and a non-neuronal cell like a muscle, glandular or sensory cell.
Because chemical synapses depend on the release of neurotransmitter molecules from synaptic vesicles to pass on their signal, there is an approximately one millisecond delay between when the axon potential reaches the presynaptic terminal and when the neurotransmitter leads to opening of postsynaptic ion channels. Additionally, this signaling is...
Because chemical synapses depend on the release of neurotransmitter molecules from synaptic vesicles to pass on their signal, there is an approximately one millisecond delay between when the axon potential reaches the presynaptic terminal and when the neurotransmitter leads to opening of postsynaptic ion channels. Additionally, this signaling is...
4.3K
Deglutition
5.3K
Swallowing, otherwise known as deglutition, facilitates the transport of food from the mouth to the stomach. It is a multifaceted process that involves both the tongue and the muscles of the throat and esophagus. Saliva and mucus aid in this process, which takes approximately 4 to 8 seconds for semi-solid or solid food and around 1 second for liquids or very soft food.
Swallowing can be divided into three stages: the voluntary phase, the pharyngeal phase, and the esophageal phase. Although the...
Swallowing can be divided into three stages: the voluntary phase, the pharyngeal phase, and the esophageal phase. Although the...
5.3K

