Diagnostic Values of Lung Ultrasound for Perioperative Atelectasis

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

46 participants

Study Classification

OBSERVATIONAL

Study Start Date

2015-01-31

Study Completion Date

2015-04-30

Brief Summary

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Lung ultrasound offers a novel, reliable and radiation-free tool for diagnosing perioperative atelectasis and evaluating its severity in adult patients undergoing general anesthesia in the operating room.

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Detailed Description

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Atelectases occur in up to 90% of patients undergoing general anesthesia and intubation. The aim of the present observational study was designed to further to evaluate the diagnostic performance of lung ultrasound (LUS) in detection of postoperative atelectasis in adult patients undergoing general anesthesia. Results of LUS as the experimental method will be compared to the results of computed tomography (CT) as the reference technique for the detection of atelectasis. The investigators want to confirm former findings of the appearance of perioperative atelectases and to prove that ultrasound is a valid tool for detection of atelectases.

Conditions

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Postoperative Pulmonary Atelectasis

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Interventions

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lung ultrasound

lung ultrasound investigations were performed right before and after the surgical procedure.

Intervention Type DEVICE

thoracic computed tomography

thoracic CT were performed within one hour after the LUS investigation

Intervention Type RADIATION

Eligibility Criteria

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Inclusion Criteria

1. Aged 18 years and older;
2. American Society of Anesthesiologists (ASA) physical status within class I-III;
3. Scheduled for selective neurosurgical operation with general anesthesia;
4. Need of mechanical ventilation more than 2 hours;

Exclusion Criteria

1. Patients decline to participate;
2. Pregnancy;
3. Previous thoracic procedures (thoracic drain, thoracotomy, thoracoscopy);
4. A history of pulmonary diseases within last two weeks with abnormal manifestation of lung CT (pulmonary parenchyma or/and interstitial lesions );
5. Pneumothorax or subcutaneous emphysema during peri-operation;
6. Patients with a body mass index (BMI) more than 30 kg/m2;
7. Emergency operation.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No