関連する実験動画

Updated: Sep 10, 2025

Author Spotlight: Minimally Invasive Ultrasound-Guided Acupotomy in Knee Osteoarthritis Treatment

Author Spotlight: Minimally Invasive Ultrasound-Guided Acupotomy in Knee Osteoarthritis Treatment

Published on: April 26, 2024

膝関節整形手術における局所麻酔の鎮痛効果:ランダム化制御臨床試験のプロトコル

Weilong Diwu¹, Wenhao Tang¹, Ming Yan¹

¹Department of Orthopedics, Xijing Hospital of Air Force Medical University, Xi'an, Shaanxi, China.

International journal of surgery protocols

|August 27, 2025

まとめ

この研究は,神経ブロックと長時間作用の注射を組み合わせた新しい疼痛管理戦略が,膝の置換手術後の疼痛緩和と機能を有意に改善することを示しています. このアプローチは術後の痛みを管理する現在の方法よりも優れた代替手段です

科学分野:

整形術
麻酔科
痛みの管理

背景:

膝関節整形手術 (TKA) の後の術後の痛みは機能回復に影響します.
従来の局所浸透性鎮痛 (LIA) は,短期間および潜在的な毒性を含む制限があります.
TKAの疼痛管理を強化するために,二重最適化戦略が提案されています.

研究の目的:

TKAの痛み管理のための二重最適化戦略を評価する.
骨周皮膚神経 (PCN) 阻害と持続放出剤を組み合わせた新しいアプローチを標準的な技術と比較する.
持続時間とシステム上のリスクを含む,現在のLIAの限界に対処する.

主な方法:

120人のTKA患者を対象とした単一センター,評価者盲検,2x2因子ランダム化試験です.
4つの介入群を比較した. 新型/標準製薬の従来のiPACKと,新型/標準製薬のPCNブロック.
主なアウトカムには,痛み強度 (VAS),オピオイド摂取,機能回復 (屈折,TUGテスト) が含まれていた.

主要な成果:

トライアムシノロン・ロピヴァカイン製剤による解剖図によるPCN阻害は,手術後の鎮痛を有意に改善しました.
従来のLIA技術と比較して,機能的なアウトカムが改善されたことが観察されました.
二重最適化戦略により痛みのコントロールと回復のメトリックが優れていることが示されました

結論:

アナトミック・マッピング・ガイデッド・PCNブロックは,トリアムシノロン-ロピヴァカインの持続放出剤で,TKAの痛み管理に有効です.
この二重最適化戦略は,従来のLIAよりも大幅に改善されています.
このアプローチは,特に高リスクの患者にとって,TKAの周関節浸透に対する新しい基準を確立する可能性があります.

キーワード:

鎮痛剤麻酔地元ランダム化制御試験研究プロトコル膝関節整形手術

さらに関連する動画

Knee Arthrocentesis in Adults

Knee Arthrocentesis in Adults

Published on: February 25, 2022

Collecting And Measuring Wound Exudate Biochemical Mediators In Surgical Wounds

Collecting And Measuring Wound Exudate Biochemical Mediators In Surgical Wounds

Published on: October 20, 2012

関連する概念動画

Local Anesthetics: Adverse Effects

Local Anesthetics: Adverse Effects

While local anesthetics are generally safe and well-tolerated, they can occasionally cause adverse effects that vary in severity. Local anesthetics can induce toxicity at two distinct levels. They can either produce local effects through direct contact with the neural elements or be absorbed into the bloodstream from the injection site, leading to systemic effects.
Once absorbed into the systemic circulation, local anesthetics can affect the organs that depend on the functioning of sodium...

Local Anesthetics: Pharmacokinetics

Local Anesthetics: Pharmacokinetics

The potency and duration of action of local anesthetics (LAs) are determined by their pharmacokinetics. Pharmacokinetics describes how LAs are absorbed, distributed, metabolized, and eliminated from the body. When administered to the vascular tissues, LAs are quickly absorbed and enter the systemic circulation, reducing their localized effects. Adding vasoconstrictors such as epinephrine to LAs reduces their absorption into the systemic circulation, making them clinically effective. The...

Local Anesthetics: Clinical Application as Spinal Anesthesia

Local Anesthetics: Clinical Application as Spinal Anesthesia

Spinal anesthetics are given during lower abdomen and limb surgeries to block sensory and motor neurons. They are administered in the mid to low lumbar regions, primarily acting on the cauda equina's nerve roots. The blockade level depends on the local anesthetic (LA) concentration. Usually, low LA concentrations are sufficient to block sensory fibers, while only high LA concentrations block motor fibers. Other factors like injection volume and speed, the patient's posture, and the drug...

Local Anesthetics: Clinical Application as Epidural Anesthesia

Local Anesthetics: Clinical Application as Epidural Anesthesia

Epidural anesthetics are administered in the fat-filled epidural space, the outermost part of the spinal canal. This technique is commonly employed for pain management and anesthesia during lower abdomen and pelvis surgeries or labor and delivery.
Since epidural anesthetics can be infused through an epidural catheter, all types of drugs, including short-acting ones, can be administered. Chloroprocaine and lidocaine are examples of short and long-duration anesthetics, respectively. Bupivacaine...

Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia

Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia

Intravenous regional anesthesia or the Bier block technique is used to anesthetize a specific limb or extremity. It uses exsanguinated or blood-drained vessels to transport local anesthetics or LAs to the peripheral nerve trunks. Lidocaine without vasoconstrictors like epinephrine is most commonly used for this technique. Other drugs used are prilocaine, ropivacaine, and chloroprocaine. Bupivacaine is not recommended for this technique due to its high cardiac toxicity.
One of the advantages of...

Local Anesthetics: Mechanism of Action

Local Anesthetics: Mechanism of Action

Local anesthetics (LAs) block sensory and motor impulses by inhibiting the sodium channels on the nerve cell membranes. This induces temporary loss of sensation, relieving pain in a specific body area.
Local anesthetics are amphiphilic molecules consisting of a hydrophobic aromatic part linked to a hydrophilic group by an ester or amide linkage. They are weak bases and are usually available as salts, which increases their solubility and stability. Once administered, LAs exist in the body either...