関連する実験動画
Updated: Jun 30, 2026

10:36
A Swine Model of Neonatal Asphyxia
Published on: October 11, 2011
新生児の持続性肺高血圧に対するエチルニトリートガスの吸入
Martin P Moya1, Andrew J Gow, Robert M Califf
1Neonatal-Perinatal Research Institute, Department of Pediatrics, Duke University Medical Center, Durham NC 27710, USA.
Lancet (London, England)
|July 20, 2002
まとめ
吸入されたO-ニトロエタノールガス (ENO) は,新生児の持続性肺高血圧の治療のためのより安全な代替手段を提供します. 酸化窒素療法に関連する有毒副産物を減少させながら,酸化酸素と血液動力学を改善します.
科学分野:
- 新生児医学 新生児医学
- 肺内医学は肺内医学である.
- 薬理学 薬理学とは
背景:
- 吸入された酸化窒素 (iNO) は肺高血圧と低酸素症を治療しますが,有毒な副産物を引き起こします.
- 窒素酸化物 (NOx) を含むこれらの副産物は,リバウンド低酸素と罹病率の増加につながる可能性があります.
- 新生児の呼吸支援のために,iNOのより安全な代替手段が必要である.
研究 の 目的:
- 窒素酸化物の生物活性に対する新しい代替品として,吸入されたO-ニトロエタノールガス (ENO) を評価する.
- 新生児の持続性肺高血圧 (PPHN) の治療におけるENOの有効性を評価する.
- ENOが有毒副産物を減らし,リバウンドヒポキシーを減少させるかどうかを判断する.
主な方法:
- PPHNを患った7人の新生児は,補助換気が必要で,ENOを吸入して4時間投与された.
- オキシジネーション指数 (OI) をモニタリングし,ベースラインOI ≥25でした.
- iNO治療を開始する前に,ENOは15分間中止されました.
主要な成果:
- ENOの投与は,経管後動脈酸素化の持続的な改善につながった.
- システミック・ヘモダイナミクスは,薬物離脱期間中に持続的な改善を示した.
- メトヘモグロビネミアのわずかな増加が観察され,有毒なNOx副産物は検出されなかった.
結論:
- 吸入されたO-ニトロエタノールガス (ENO) は,新生児の酸素化と全身の血液動力学を効果的に改善します.
- ENOは,リバウンド低酸素症を軽減し,有毒副産物の生成を減らすように見える.
- ENOは,PPHN治療のために,吸入された酸化窒素の有望な代替案です.
関連する概念動画
Breathing
The process of breathing, inhaling and exhaling, involves the coordinated movement of the chest wall, the lungs, and the muscles that move them. Two muscle groups with important roles in breathing are the diaphragm, located directly below the lungs, and the intercostal muscles, which lie between the ribs. When the diaphragm contracts, it moves downward, increasing the volume of the thoracic cavity and creating more room for the lungs to expand. When the intercostal muscles contract, the ribs...
Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure
Oxygen therapy has emerged as a significant tool in enhancing the quality of life for patients suffering from pulmonary arterial hypertension (PAH). While this therapy has principally been studied on patients with significant hypoxemia, this therapeutic approach helps prevent potential organ damage and can be administered in the comfort of one's home.
Oxygen therapy is vital in increasing and maintaining blood oxygen levels in PAH patients. As a result, it aids in reducing fatigue, improving...
Oxygen therapy is vital in increasing and maintaining blood oxygen levels in PAH patients. As a result, it aids in reducing fatigue, improving...
Pulmonary Cycle: Exhalation
In terms of human respiration, the act of expelling air, known as exhalation (or expiration), operates on the principle of pressure gradients. During expiration, the pressure within the lungs exceeds that of the surrounding atmosphere. Under normal conditions, quiet breathing involves passive exhalation and is free of muscular contractions. This is because the exhalation process is driven by the natural elastic recoil of the lungs and chest wall, both of which have an inherent tendency to...
Acute Respiratory Failure-III
Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without causing...
Acute Respiratory Failure-V
The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
Ensure that patients are monitored continuously for their response to therapy, including changes in...
Ensure that patients are monitored continuously for their response to therapy, including changes in...
Mechanical Ventilation III: Noninvasive Ventilation
Noninvasive positive-pressure ventilation (NIPPV), continuous positive airway pressure (CPAP), and bilevel positive airway pressure (BiPAP) are essential methods in respiratory care. These ventilation techniques offer unique benefits for patients with various respiratory conditions, providing adequate support without requiring intubation. Let's explore how each method is crucial in improving patient outcomes and enhancing respiratory therapy.
Noninvasive Positive-Pressure Ventilation (NIPPV)
Noninvasive Positive-Pressure Ventilation (NIPPV)

