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2018-04-25 熊长明 肺血管病

患者,男,55岁。因活动后胸痛、胸闷、气促2年,加重1个月入院。患者2年前无明显诱因出现活动后胸痛,为胸骨后刺痛不适,持续数分钟可自行缓解,无头晕、黑蒙及晕厥,无咳嗽、咳痰、咯血,无水肿及夜间阵发性呼吸困难。曾到当地医院就诊,诊为冠心病、心肌梗死,给予相关治疗,但未规律服药;此外近2年来出现活动后气短,体力逐渐减退。1个月前无明显诱因胸闷、气促症状加重,稍微活动即出现,休息15~20分钟可缓解。发

临床资料】

患者,男,55岁。因活动后胸痛、胸闷、气促2年,加重1个月入院。患者2年前无明显诱因出现活动后胸痛,为胸骨后刺痛不适,持续数分钟可自行缓解,无头晕、黑蒙及晕厥,无咳嗽、咳痰、咯血,无水肿及夜间阵发性呼吸困难。曾到当地医院就诊,诊为冠心病、心肌梗死,给予相关治疗,但未规律服药;此外近2年来出现活动后气短,体力逐渐减退。1个月前无明显诱因胸闷、气促症状加重,稍微活动即出现,休息15~20分钟可缓解。发病以来夜尿次数较前增多,体重无改变。

25年前患甲状腺功能亢进症,正规服药2年治愈,多次复查无异常。高血压史10年,最高血压160/120mmHg,卡托普利控制血压,血压控制欠佳。2型糖尿病史2年,皮下注射中效胰岛素控制血糖,血糖控制尚可。有高脂血症。长期慢性咳嗽、咳痰史。既往有夜间打鼾和憋醒史。无手术外伤史,无药物过敏史。吸烟40余年,20支/日。

查体:T 36.2℃,R 20次/分,P 89次/分,BP140/80mmHg,体重96kg,身高170cm。神志清,精神可。桶状胸,双肺呼吸音低,HR 89次/分,律齐,未闻及杂音。肝脾肋下未及,双下肢无水肿。

实验室检查:血液化验:肝肾功能、甲状腺功能、血、尿、便常规均无异常。动脉血气分析:pH 7.34,PO2 67mmHg,PCO2 76mmHg,SaO2 92%,HCO3-41mmol/L,BE 15.2mmol/L。

心电图(图35-1):窦性心律,电轴不偏。


图35-1 心电图:窦性心律,电轴不偏

X线胸片(图35-2):两肺纹理增多,双肺内未见明显实质性病变,肺动脉段饱满,右心房、室不大,心胸比0.51。


图35-2 X线胸片:两肺纹理增多,双肺内未见明显实质性病变,肺动脉段饱满。右心房、室不大,心胸比0.51

超声心动图:右心房、室扩大,左心房室内径正常,房间隔室间隔回声完整。右心室舒张末内径28mm,左心室舒张末内径50mm,左心室EF65%。三尖瓣少量反流,估测肺动脉收缩压约63mmHg。

血管增强CT(图35-3):右心房、右心室增大,右心室壁增厚,室间隔增厚;左心房、左心室大小形态未见明显异常。主肺动脉宽约40mm,同层面主动脉宽约35mm。主肺动脉及左右肺动脉及肺内动脉分支匀称性增宽,管腔内未见充盈缺损,周围肺动脉未见明显变细。主动脉弓部管壁增厚,见多发小斑片状钙化及非钙化斑。


图35-3 肺血管增强CT:右心房、右心室增大;左心房、左心室大小形态未见明显异常。主肺动脉及左右肺动脉及肺内动脉分支匀称性增宽,管腔内未见充盈缺损,周围肺动脉未见明显变细

呼吸功能显示:FEV1%占预计值:24.8%,FVC 39.4%,FEV1/FVC 46.03%。以限制为主的重度混合型通气功能障碍,小气道阻塞为主。

最后诊断:1.慢性阻塞性肺疾病(COPD),Ⅱ型呼吸衰竭,2.阻塞性睡眠呼吸暂停低通气综合征(OSA),3.慢性肺源性心脏病,心脏扩大,肺动脉高压,心功能Ⅲ级,4.冠状动脉粥样硬化性心脏病,劳力型心绞痛,5.高血压,6. 2型糖尿病,7.高脂血症。

诊治经过:入院后给予阿司匹林、阿托伐他汀、单硝酸异山梨酯、贝那普利、呋塞米、螺内酯以及二甲双胍等药物治疗。同时给予双水平无创呼吸机治疗7天后,喘息症状明显缓解,夜间打鼾和憋醒明显改善,活动量明显增加。双下肢水肿显著减轻。复查动脉血气:pH 7.41,PO2 55mmHg,PCO2 53mmHg,SaO2 87%,HCO3-33.6mmol/L,BE 8.4mmol/L。

出院后继续应用双水平无创正压呼吸机治疗,吸气压7.2cmH2O,呼气压4.6cmH2O。患者耐受良好,夜尿减少,嗜睡减轻,嗜睡评分6分,3个月后患者症状明显减轻,复查动脉血气:pH 7.41,PO2 62.3mmHg,PCO2 47.4mmHg,SaO2 92.1%,HCO3 -29.8mmol/L,BE 4.7mmol/L。复查超声心动图(图35-4):各房室内径正常范围,室间隔增厚,余左心室壁厚度正常,各瓣膜形态、结构、启闭运动未见明显异常。左心室舒张末内径52mm,右心室舒张末内径26mm,无三尖瓣反流。患者未接受复查右心导管检查。


图35-4 治疗后复查超声心动图:各房室内径正常范围,室间隔增厚,余左心室壁厚度正常,各瓣膜形态、结构、启闭运动未见明显异常。左心室舒张末内径52mm,右心室舒张末内径26mm,无三尖瓣反流

【讨论】

患者并存多种疾病,冠心病、高血压、慢性阻塞性肺疾病、阻塞性睡眠呼吸暂停综合征均诊断明确,此外患者超声心动图和右心导管检查均证实存在肺动脉高压。首先针对肺动脉高压进行病因筛查,患者虽然存在冠心病和高血压,但并无明确的左心扩大和左心室功能不全表现,因此不支持左心疾病相关性肺动脉高压;患者进行了肺动脉增强CT检查排除了血栓栓塞性肺动脉高压。其他化验亦无明显异常;患者有多年的慢性阻塞性肺疾病史,同时存在阻塞性睡眠呼吸暂停,因此患者的肺动脉高压应考虑是低氧性疾病所致,随后的针对慢性阻塞性肺疾病和睡眠呼吸暂停的治疗取得明显效果,3个月后超声心动图显示右心大小和肺动脉压力恢复正常。

慢性阻塞性肺疾病是发病率较高的肺病,包括呼吸道等肺部实质损伤的疾病,导致运动时通气受限,反复呼吸道感染,低氧和高二氧化碳。肺动脉高压(PH)在COPD患者中常见,虽其发生率还不清楚,但对COPD病情影响严重:据报道,2/3的终末期COPD超声心动图发现肺动脉高压。研究表明OSA与低氧性肺动脉高压的关系密切。通常中重度睡眠呼吸暂停可以引起肺动脉压力升高。Sanner等研究发现OSA是患者发生肺动脉高压的一个重要的独立危险因素,相关流行病学调查显示OSA患者低氧性肺动脉高压发病率约占17%~42%,而合并慢性阻塞性肺疾病的OSA患者低氧性肺动脉高压发病率可达60%~79%。OSA合并慢性阻塞性肺病(又被称为重叠综合征)患者睡眠时可发生更严重的低氧血症及高碳酸血症,已成为慢性肺源性心脏病的一个最常见最重要的原因。本病例既存在COPD,又伴有OSA,两者均参与了肺动脉高压的形成,不过患者经过无创正压呼吸机治疗后症状、夜间打鼾和憋醒、血气指标均得到明显改善,右心大小及肺动脉压力恢复正常,能否推测OSA是参与本例患者肺动脉高压形成的主要原因?

COPD合并PH治疗主要是针对COPD,包括改善通气、抗感染和氧疗,OSA的治疗是通过持续正压通气改善低氧;针对COPD和OSA相关性肺动脉高压的靶向治疗还没有足够的循证医学证据。本病例应用无创正压通气,动脉血气显示低氧和高碳酸均得到有效改善,经过3个月治疗显示肺动脉压力已恢复正常,说明原发病的有效治疗是治疗低氧性疾病相关肺动脉高压的根本。

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    2018-04-26 lietome2

    好文.值得点赞!认真学习了.把经验应用于实践.为患者解除病痛.

    0

  3. [GetPortalCommentsPageByObjectIdResponse(id=1403313, encodeId=8640140331300, content=<a href='/topic/show?id=ebbde6353be' target=_blank style='color:#2F92EE;'>#精准#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76353, encryptionId=ebbde6353be, topicName=精准)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83epQX9hfEIBiaPg0e9KvLYVBCSGYydH6K6OQxBh3RaOC0TYP9HYy2v0XdHib1LFnZNU5Siak0P8oh8Aqw/132, createdBy=acd92440184, createdName=shijzhiewnjhch, createdTime=Fri Apr 27 13:35:00 CST 2018, time=2018-04-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=309467, encodeId=242630946e1f, content=好文.值得点赞!认真学习了.把经验应用于实践.为患者解除病痛., beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NfNLvzZhgPxRuUXgacXpPeW0x8Z3Qr9c3I2kTic4ZIpR29iaftYgkjRcbv982icYMtqANBPYBgPnOia6mVtX76qMXuc/0, createdBy=d85d1636106, createdName=lietome2, createdTime=Thu Apr 26 12:06:14 CST 2018, time=2018-04-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=309384, encodeId=aab3309384b4, content=一起学习学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/vi_32/TDiaAWyicHgedzX3wKo3qcxudVJib7AfibfvNeufHRF2jG3Bw8MmZyWjIhtBV1mpJI7Sy9n7RcBKK5t3CuOKuOFxkg/0, createdBy=dd702206933, createdName=wzb521zf, createdTime=Thu Apr 26 07:16:12 CST 2018, time=2018-04-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=309261, encodeId=bd89309261c2, content=患者并存多种疾病.冠心病.高血压.慢性阻塞性肺疾病.阻塞性睡眠呼吸暂停综合征均诊断明确.此外患者超声心动图和右心导管检查均证实存在肺动脉高压, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7cJ6ejWUr2nIia8qOvAKNdLHr32Df6G8iaoaOx6pHaoiacwp26DaslxZHCGbibZhhCGven4rvmWP60GahtzgFjgCjR/0, createdBy=6b111703011, createdName=有备才能无患, createdTime=Wed Apr 25 23:53:20 CST 2018, time=2018-04-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=309247, encodeId=5ca830924e9d, content=学习了.谢谢分享., beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/xkvRjYnJzzRJ2R0y7VhicibvkjPWHjIMmu4ZpKnE9cWAu4lVicS3uDUCfF4M4JWvrkrYfpb2KehPV0Ee29tPqyPEebBUibiaKhnvD/0, createdBy=f8412001184, createdName=惠映实验室, createdTime=Wed Apr 25 22:56:24 CST 2018, time=2018-04-25, status=1, ipAttribution=)]
    2018-04-26 wzb521zf

    一起学习学习

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=1403313, encodeId=8640140331300, content=<a href='/topic/show?id=ebbde6353be' target=_blank style='color:#2F92EE;'>#精准#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76353, encryptionId=ebbde6353be, topicName=精准)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83epQX9hfEIBiaPg0e9KvLYVBCSGYydH6K6OQxBh3RaOC0TYP9HYy2v0XdHib1LFnZNU5Siak0P8oh8Aqw/132, createdBy=acd92440184, createdName=shijzhiewnjhch, createdTime=Fri Apr 27 13:35:00 CST 2018, time=2018-04-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=309467, encodeId=242630946e1f, content=好文.值得点赞!认真学习了.把经验应用于实践.为患者解除病痛., beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NfNLvzZhgPxRuUXgacXpPeW0x8Z3Qr9c3I2kTic4ZIpR29iaftYgkjRcbv982icYMtqANBPYBgPnOia6mVtX76qMXuc/0, createdBy=d85d1636106, createdName=lietome2, createdTime=Thu Apr 26 12:06:14 CST 2018, time=2018-04-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=309384, encodeId=aab3309384b4, content=一起学习学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/vi_32/TDiaAWyicHgedzX3wKo3qcxudVJib7AfibfvNeufHRF2jG3Bw8MmZyWjIhtBV1mpJI7Sy9n7RcBKK5t3CuOKuOFxkg/0, createdBy=dd702206933, createdName=wzb521zf, createdTime=Thu Apr 26 07:16:12 CST 2018, time=2018-04-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=309261, encodeId=bd89309261c2, content=患者并存多种疾病.冠心病.高血压.慢性阻塞性肺疾病.阻塞性睡眠呼吸暂停综合征均诊断明确.此外患者超声心动图和右心导管检查均证实存在肺动脉高压, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7cJ6ejWUr2nIia8qOvAKNdLHr32Df6G8iaoaOx6pHaoiacwp26DaslxZHCGbibZhhCGven4rvmWP60GahtzgFjgCjR/0, createdBy=6b111703011, createdName=有备才能无患, createdTime=Wed Apr 25 23:53:20 CST 2018, time=2018-04-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=309247, encodeId=5ca830924e9d, content=学习了.谢谢分享., beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/xkvRjYnJzzRJ2R0y7VhicibvkjPWHjIMmu4ZpKnE9cWAu4lVicS3uDUCfF4M4JWvrkrYfpb2KehPV0Ee29tPqyPEebBUibiaKhnvD/0, createdBy=f8412001184, createdName=惠映实验室, createdTime=Wed Apr 25 22:56:24 CST 2018, time=2018-04-25, status=1, ipAttribution=)]
    2018-04-25 有备才能无患

    患者并存多种疾病.冠心病.高血压.慢性阻塞性肺疾病.阻塞性睡眠呼吸暂停综合征均诊断明确.此外患者超声心动图和右心导管检查均证实存在肺动脉高压

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=1403313, encodeId=8640140331300, content=<a href='/topic/show?id=ebbde6353be' target=_blank style='color:#2F92EE;'>#精准#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76353, encryptionId=ebbde6353be, topicName=精准)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83epQX9hfEIBiaPg0e9KvLYVBCSGYydH6K6OQxBh3RaOC0TYP9HYy2v0XdHib1LFnZNU5Siak0P8oh8Aqw/132, createdBy=acd92440184, createdName=shijzhiewnjhch, createdTime=Fri Apr 27 13:35:00 CST 2018, time=2018-04-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=309467, encodeId=242630946e1f, content=好文.值得点赞!认真学习了.把经验应用于实践.为患者解除病痛., beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NfNLvzZhgPxRuUXgacXpPeW0x8Z3Qr9c3I2kTic4ZIpR29iaftYgkjRcbv982icYMtqANBPYBgPnOia6mVtX76qMXuc/0, createdBy=d85d1636106, createdName=lietome2, createdTime=Thu Apr 26 12:06:14 CST 2018, time=2018-04-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=309384, encodeId=aab3309384b4, content=一起学习学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/vi_32/TDiaAWyicHgedzX3wKo3qcxudVJib7AfibfvNeufHRF2jG3Bw8MmZyWjIhtBV1mpJI7Sy9n7RcBKK5t3CuOKuOFxkg/0, createdBy=dd702206933, createdName=wzb521zf, createdTime=Thu Apr 26 07:16:12 CST 2018, time=2018-04-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=309261, encodeId=bd89309261c2, content=患者并存多种疾病.冠心病.高血压.慢性阻塞性肺疾病.阻塞性睡眠呼吸暂停综合征均诊断明确.此外患者超声心动图和右心导管检查均证实存在肺动脉高压, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7cJ6ejWUr2nIia8qOvAKNdLHr32Df6G8iaoaOx6pHaoiacwp26DaslxZHCGbibZhhCGven4rvmWP60GahtzgFjgCjR/0, createdBy=6b111703011, createdName=有备才能无患, createdTime=Wed Apr 25 23:53:20 CST 2018, time=2018-04-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=309247, encodeId=5ca830924e9d, content=学习了.谢谢分享., beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/xkvRjYnJzzRJ2R0y7VhicibvkjPWHjIMmu4ZpKnE9cWAu4lVicS3uDUCfF4M4JWvrkrYfpb2KehPV0Ee29tPqyPEebBUibiaKhnvD/0, createdBy=f8412001184, createdName=惠映实验室, createdTime=Wed Apr 25 22:56:24 CST 2018, time=2018-04-25, status=1, ipAttribution=)]
    2018-04-25 惠映实验室

    学习了.谢谢分享.

    0

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