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簡要描述:氣道阻力和肺順應(yīng)性檢測系統(tǒng)ResistanceandCompliancePlethysmographs采用侵入式氣道力學(xué)對(duì)老鼠的肺功能進(jìn)行檢測
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氣道阻力和肺順應(yīng)性檢測系統(tǒng) Resistance and Compliance Plethysmographs 采用侵入式氣道力學(xué)對(duì)老鼠的肺功能進(jìn)行檢測。
· 檢測過程做一個(gè)有創(chuàng)型的手術(shù);
· 檢測大鼠、小鼠的多種肺功能參數(shù),如:呼吸速率、潮氣量到氣道阻力和肺順應(yīng)性。
· 系統(tǒng)通過測量端口壓、跨肺壓或胸膜壓以及氣道中氣體流速等參數(shù),直接得出氣道阻力、肺順應(yīng)性、潮氣量等肺功能指標(biāo)參數(shù);
· 血壓和心率的檢測可以用來研究心血管反映,也可用來判斷動(dòng)物狀態(tài);
主要特點(diǎn):
· 可選擇多種給藥方式(頸、尾靜脈注射、霧化給藥)
· 可同時(shí)檢測多種參數(shù)
· 采用體積描記法,直接檢測氣流
· 可選配心血管參數(shù)檢測模塊
主要應(yīng)用:
· 急性和慢性呼吸道功能障礙模型
· 綜合評(píng)價(jià)的肺功能
系統(tǒng)采用了尾部外置的特殊描記器,可以通過尾靜脈或頸靜脈對(duì)動(dòng)物進(jìn)行注射給藥,也可通過霧化的氣溶膠進(jìn)行吸入式給藥。
具備多種給藥方法:靜脈注射或氣溶膠
氣道阻力與肺順應(yīng)性檢測體積描計(jì)器
根據(jù)需要,可以額外選配心電測量功能:
· 心電圖分析軟件,允許用戶使用特定主題的模板自定義算法。可以更準(zhǔn)確的進(jìn)行分析;
· eDacq ECG 還允許用戶定義自己的 QT 校正因子;
· 可以通過傳統(tǒng)的 ECG 導(dǎo)聯(lián)或遙測獲取信號(hào);
· 目前正在開發(fā) eDacq ECG 以利用新的公式來計(jì)算節(jié)拍間的不穩(wěn)定性;
主要檢測參數(shù):
· 氣道阻力 (有/無 插管阻力補(bǔ)償)
· 動(dòng)態(tài)順應(yīng)性
· 肋膜壓變化
· Lung conductance
· 潮氣量
· 累計(jì)體積
· 吸氣時(shí)間
· 呼氣時(shí)間
· 吸氣流量
· 呼氣流量
· 呼吸頻率
· 每分通氣量
· 其它參數(shù)
如需方式檢測小動(dòng)物的肺功能參數(shù),可選擇:
全身體積描記系統(tǒng)
如需檢測更多肺功能參數(shù),可選擇:
多參數(shù)肺功能檢測系統(tǒng)
參考文獻(xiàn):
1.Saunders S P, Moran T, Floudas A, et al. Spontaneous atopic dermatitis is mediated by innate immunity, with the secondary lung inflammation of the atopic march requiring adaptive immunity[J]. Journal of Allergy and Clinical Immunology, 2016, 137(2): 482-491.
2.Wiegman C H, Michaeloudes C, Haji G, et al. Oxidative stress–induced mitochondrial dysfunction drives inflammation and airway smooth muscle remodeling in patients with chronic obstructive pulmonary disease[J]. Journal of Allergy and Clinical Immunology, 2015, 136(3): 769-780.
3.Gregory L G, Mathie S A, Walker S A, et al. Overexpression of Smad2 drives house dust mite–mediated airway remodeling and airway hyperresponsiveness via activin and IL-25[J]. American journal of respiratory and critical care medicine, 2010, 182(2): 143-154.
4.Murdoch J R, Lloyd C M. Resolution of allergic airway inflammation and airway hyperreactivity is mediated by IL-17–producing γδT cells[J]. American journal of respiratory and critical care medicine, 2010, 182(4): 464-476.
5.Seiffert J, Hussain F, Wiegman C, et al. Pulmonary toxicity of instilled silver nanoparticles: influence of size, coating and rat strain[J]. PloS one, 2015, 10(3): e0119726.
6.Zhang P, Li F, Wiegman C H, et al. Inhibitory effect of hydrogen sulfide on ozone-induced airway inflammation, oxidative stress, and bronchial hyperresponsiveness[J]. American journal of respiratory cell and molecular biology, 2015, 52(1): 129-137.
7.Gustafsson ?, Jonasson S, Sandstr?m T, et al. Genetic variation influences immune responses in sensitive rats following exposure to TiO2 nanoparticles[J]. Toxicology, 2014, 326: 74-85.
8.Bradley S J, Wiegman C H, Iglesias M M, et al. Mapping physiological G protein-coupled receptor signaling pathways reveals a role for receptor phosphorylation in airway contraction[J]. Proceedings of the National Academy of Sciences, 2016, 113(16): 4524-4529.
9.Byrne A J, Weiss M, Mathie S A, et al. A critical role for IRF5 in regulating allergic airway inflammation[J]. Mucosal immunology, 2017, 10(3): 716-726.
10.Murdoch J R, Gregory L G, Lloyd C M. γδT cells regulate chronic airway inflammation and development of airway remodelling[J]. Clinical & Experimental Allergy, 2014, 44(11): 1386-1398.
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