相关实验视频
Updated: Jun 8, 2025

04:21
Protein Transfection of Mouse Lung
Published on: May 15, 2013
9.3K
在长期使用机械通风的患者中,较高的蛋白质摄入量可能会有益
Chiung-Hsin Chang1,2, Chun-Yu Lin1,2, Yu-Lun Lo1,2
1Department of Thoracic Medicine, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan.
Frontiers in nutrition
|November 5, 2024
概括
较高的每日蛋白质摄入量改善了长期机械通风 (PMV) 患者的呼吸机断奶成功. 足够的蛋白质支持呼吸道肌肉功能,这对于从机械呼吸辅助器断奶至关重要.
科学领域:
- 关键护理医学 关键护理医学
- 营养科学 营养科学
- 呼吸系统疗法 呼吸系统疗法
背景情况:
- 长时间的机械通风 (PMV) 与肌肉消耗和腹膜疲软有关,增加死亡率和医疗保健成本.
- 萨科佩尼亚患者从充足的能量和蛋白质摄入中受益.
- 调查蛋白质摄入量在PMV断奶中的作用对于患者的治疗结果至关重要.
研究的目的:
- 确定蛋白质摄入量对接受长期机械通风 (PMV) 的患者断奶参数的影响.
- 为了确定机械通风成功断奶的预测因素.
- 探索蛋白质摄入量和呼吸功能指标之间的关系.
主要方法:
- 从2020年12月到2022年10月,招募了289名PMV患者 (机械通风≥6小时/天≥21天)
- 将患者分为断奶成功 (n=149) 和断奶失败 (n=140) 组.
- 分析了患者的特征,营养记录,断奶参数和结果,包括呼吸支指数 (RSBI) 和PaO2/FiO2 (PF) 比率.
主要成果:
- 与断奶失败组 (0.99 g/kg/day) 相比,断奶成功组 (1.22 g/kg/day) 的平均蛋白质摄入量明显高于断奶失败组 (0.99 g/kg/day).
- 每日蛋白质摄入量≥1.01g/kg/天是成功断奶的独立预测因素 (OR=8.10).
- 蛋白质摄入量与PF比率 (r=0.1576) 和PaO2 (r=0.13359) 有着微弱的正相关性.
结论:
- 较高的每日蛋白质摄入量与PMV患者的呼吸机断奶结果的改善有关.
- 足够的蛋白质摄入量 (≥1.01 g/kg/天) 独立有利于断奶成功.
- 蛋白质摄入量与呼吸系统参数 (如PF比率) 有正相关.
相关概念视频
Acute Respiratory Failure-V
123
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...
123
Mechanical Ventilation III: Noninvasive Ventilation
81
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...
Noninvasive Positive-Pressure Ventilation...
81
Pneumonia V: Nursing management and Prevention
1.9K
Nursing management of pneumonia involves promoting airway patency, facilitating rest and conserving energy, encouraging fluid intake, maintaining nutrition, and educating patients.
The nurse must practice strict medical asepsis and adhere to infection control guidelines to minimize healthcare-associated infections.
Enhance airway patency
Position the patient correctly to facilitate drainage of the affected lung segments. Manual or mechanical percussion and vibration can also be employed....
The nurse must practice strict medical asepsis and adhere to infection control guidelines to minimize healthcare-associated infections.
Enhance airway patency
Position the patient correctly to facilitate drainage of the affected lung segments. Manual or mechanical percussion and vibration can also be employed....
1.9K
Mechanical Ventilation II: Invasive Ventilation
114
Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
114
Overview of Protein Metabolism
769
Proteins are broken down into amino acids during digestion. Unlike fats and carbohydrates, which are stored for later use, proteins are not. Instead, amino acids are either used to produce ATP through oxidation or contribute to the creation of new proteins for the growth and repair of the body. Any surplus amino acids from the diet are converted into glucose or triglycerides rather than excreted.
Amino acids play various roles in the body once they are absorbed into cells. They are restructured...
Amino acids play various roles in the body once they are absorbed into cells. They are restructured...
769
Mechanical Ventilation I: Indication and Settings
183
Mechanical ventilation is a life-saving technique for managing acute respiratory failure and other respiratory complications. The process involves using a machine known as a ventilator to supply oxygen to the lungs and assist in removing carbon dioxide. It serves as a bridge to long-term mechanical ventilation or a temporary measure until ventilatory support is discontinued. The ventilator can maintain this function for a prolonged period, providing critical support for patients until they can...
183

