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Clinical Trials/ChiCTR2100049243
ChiCTR2100049243Not yet recruitingUnknown

膈肌超声在指导机械通气患者撤机中的作用研究

Not provided1 site in 1 country55 target enrollmentStarted: August 1, 2021Last updated:
Interventions

Trial Snapshot

Phase
Unknown
Status
Not yet recruiting
Enrollment
55
Locations
1
Primary Endpoint
膈肌移动度

Study Overview

Brief Summary

1.找到膈顺指数预测患者撤机的 cut off 值; 2.检验其与目前常用 2 个指标(D-RSBI、DTF)在预测患者撤机过程中灵敏度、特异度、阳性预测值、阴性预测值之间的差别。

Study Design

Study Type
Observational

Eligibility Criteria

Ages
18 to 85 (—)
Sex
All

Inclusion Criteria

  • •1.机械通气时间超过 48 小时;
  • •2.导致机械通气的原发病改善或恢复;
  • •3.氧合稳定(氧合指数≥200mmHg,PEEP≤5cmH2O,吸入氧浓度<50%);
  • •4.血流动力学稳定,无心肌缺血的动态表现,不需要或仅需要小剂量血管活性药物维持(多巴胺<5ug/kg·min 或去甲肾上腺素<0.05ug/kg·min);

Exclusion Criteria

  • •1.既往肺部肿瘤、肺切除、胸壁畸形导致呼吸力学异常等;
  • •2.研究前 48h 内使用肌松剂;
  • •3.有膈肌麻痹病史者;
  • •4.神经肌肉疾病患者。

Arms & Interventions

连续入组

Intervention: 连续入组

Outcomes

Primary Outcomes

膈肌移动度

膈肌厚度

呼吸频率

Secondary Outcomes

No secondary outcomes reported

Investigators

Sponsor
Not provided

Study Sites (1)

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