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【新版】慢性阻塞性肺疾病PPT(33页)

  • 2026-11-09 20:40:35
【新版】慢性阻塞性肺疾病PPT(33页)

慢阻肺怎么认?怎么分?怎么治?

什么是慢阻肺?把气道想成马路、空气想成车。吸烟、油烟、粉尘长期刺激,气管内壁红肿发炎,像施工占道;黏液变稠、纤毛扫地不力,像事故车堵路;下游肺泡弹性破坏、融合成肺大泡,像停车场塌陷,吸气装不满、呼气排不净。结果就是持续性气流受限,活动气短、咳嗽咳痰,逐步发展到静息也喘。

先记危险因素,临床一眼筛人:吸烟和二手烟最重要;厨房油烟、燃煤生物燃料、室外雾霾;职业煤尘、棉尘、水泥石英;反复呼吸道感染;遗传α1抗胰蛋白酶缺乏、早产低体重、肺发育差;年龄增长、肠肺菌群紊乱算加分项。40岁以上、长期咳嗽咳痰、爬楼喘、吸烟或粉尘暴露,别只当“老慢支”,直接推肺功能。

识别症状抓三件事:咳嗽,晨起重,白泡痰或黏痰,感染变黄脓;呼吸困难,用mMRC分级,0剧烈活动才喘、1快走小坡喘、2平路比同代人慢或要停、3平路百米要停、4穿衣脱衣都喘;查体桶状胸、叩诊过清、听诊干湿啰音,晚期紫绀、水肿。别漏全身牵连:肺心病右衰下肢肿、反复肺炎、肺癌风险高、心血管事件多、营养不良肌少、焦虑抑郁。

诊断铁律一条:肺功能是金标准。有危险因素加慢性呼吸道症状,做支气管扩张剂后肺量计,FEV1/FVC<0.7支持持续气流受限;按FEV1占预计值分GOLD1≥80%、2为50%–79%、3为30%–49%、4<30%。 症状用mMRC或CAT,CAT0–10轻、11–20中、21–30重、31–40极重;急性加重史单独记,过去1年≥1次中重度按2026 GOLD可入E组高风险。 胸片看过度充气、膈低平、肺大泡,CT看肺气肿和黏液栓,血气看低氧高碳酸,血常规看嗜酸粒细胞指导激素,α1缺乏青年重症基底部肺气肿要查。

治疗按ABE走,不按“喘就加激素”。A组症状少、加重少,单用长效支扩LAMA或LABA,备用短效沙丁胺醇/异丙托;B组症状重、少加重,LAMA+LABA双支扩优先,噻托加长效β2,比单药更解喘。 E组过去1年≥1次中重度加重,初始LAMA+LABA,血EOS≥300/μL考虑加ICS三联,EOS<100不常规ICS、警惕肺炎; 仍反复加重可评估罗氟司特、大环内酯预防,特定炎症表型用生物制剂。 祛痰氨溴索、乙酰半胱氨酸、羧甲司坦用于黏痰难咳;吸入装置教手法,ICS后漱口,防口腔念珠菌。

急性加重按14天内咳、痰、喘任一项明显恶化算,常因感染、污染、断药。 处理四步:低流量吸氧,目标SpO2多数90%以上,高碳酸老病号避免盲目高浓氧导致CO2潴; 短效β2加短效抗胆碱雾化快速解痉;系统激素泼尼松约40mg×5天,不长期堆量; 有黄脓痰、发热、炎症指标高、肺功能差才按病原给抗菌,轻症口服、重症住院静脉,不把抗生素当万能。 出现呼吸性酸中毒、呼吸肌疲劳、低氧靠常氧改不过来,上无创;意识差、严重高碳酸、无创失败、心跳呼吸不支持,转有创,病情过渡可用有创无创序贯。

稳定期非药物四条保命:戒烟是第一位,任何阶段戒都比不戒好; 静息PaO2≤55mmHg或SaO2≤88%,或55–60mmHg伴肺高压、水肿、红细胞增多,家庭低流量1–2L/min、每日≥15小时; 重度高碳酸、近期因呼衰住院,家庭无创可降再住院; 肺康复缩唇腹式呼吸、步行骑车、营养蛋白维生素、疫苗流感每年、肺炎球菌按年龄、COVID/百白破/Tdap、50岁以上RSV、带状疱疹按当地。 终末期评估肺减容、肺移植,不做常规。

总结一句:慢阻肺先肺功能定性、ABE定药、急性加重按氧解痉激素抗菌分流、长期戒烟氧疗康复防加重。按这条走,比单靠“止咳平喘”少漏人、少坏事。

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  1. CONNECT:[ UseTime:0.000672s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000843s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000403s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000365s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000515s ]
  6. SELECT * FROM `set` [ RunTime:0.000276s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000661s ]
  8. SELECT * FROM `article` WHERE `id` = 564317 LIMIT 1 [ RunTime:0.000341s ]
  9. UPDATE `article` SET `lasttime` = 1794242383 WHERE `id` = 564317 [ RunTime:0.001315s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000314s ]
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  12. SELECT * FROM `article` WHERE `id` > 564317 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000386s ]
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  15. SELECT * FROM `article` WHERE `id` < 564317 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000612s ]
0.088297s