CONCLUSIONS PCEA is a good analgesic method after thoracic surgery of (esophagus) carcinoma. It can promote patients to cough and reduce PTPI, therefore PCEA is a good method for preventing PTPI.

结论pcea是食管癌开胸手术后良好的镇痛方法，能够促进患者术后咳嗽排痰，能有效地降低PTPI的发病率，因此pcea是预防PTPI的理想方法。

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CONCLUSIONS PCEA is a good analgesic method after thoracic surgery of (esophagus) carcinoma. It can promote patients to cough and reduce PTPI, therefore PCEA is a good method for preventing PTPI.

结论pcea是食管癌开胸手术后良好的镇痛方法，能够促进患者术后咳嗽排痰，能有效地降低PTPI的发病率，因此pcea是预防PTPI的理想方法。

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