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Ultrasound to Verify Lung-isolation During Single-lung Ventilation

Ultrasound to Verify Lung-isolation During Single-lung Ventilation

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03729999
Enrollment
40
Registered
2018-11-05
Start date
2018-12-12
Completion date
2023-11-27
Last updated
2024-12-31

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Thoracic Diseases

Brief summary

The purpose of the current study is to prospectively evaluate the usefulness of thoracic ultrasonography in demonstrating effective lung isolation during single-lung ventilation (SLV) in the pediatric patient. The primary hypothesis is that ultrasonography will accurately verify lung separation during SLV, as compared to fiberoptic bronchoscope (FOB).

Interventions

DEVICEPortable, Point-of-Care Ultrasound

Portable ultrasonography done at the bedside.

Sponsors

Nationwide Children's Hospital
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
OTHER
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
No minimum to 18 Years
Healthy volunteers
No

Inclusion criteria

* Requiring single lung ventilation for thoracic surgery

Exclusion criteria

* None

Design outcomes

Primary

MeasureTime frameDescription
Time to Confirm Lung IsolationWithin 5 minutes of intubation and single lung ventilation device placementCompare the time required to confirm lung isolation using auscultation, fiberoptic bronchoscopy (FOB), and ultrasound.
The Accuracy of Using Ultrasound to Assess Lung Isolation by Visualizing Lung Movement or Lack Thereof of Both the Operative and Non-operative Lung Fields.Within 5 minutes of intubation and single lung ventilation device placementUltrasound will be used to look for lung sliding in the ventilated lung field and lack of lung sliding and presence of lung pulse on the operative/isolated lung field. The effectiveness of this modality will also be compared to the lung auscultation for assessing lung isolation, which along with FOB is the current accepted standards of care.

Countries

United States

Participant flow

Participants by arm

ArmCount
Ultrasonography
Patients requiring single lung ventilation for a surgical procedure will have a bedside ultrasound to evaluate lung isolation. Portable, Point-of-Care Ultrasound: Portable ultrasonography done at the bedside.
40
Total40

Baseline characteristics

CharacteristicUltrasonography
Age, Categorical
<=18 years
40 Participants
Age, Categorical
>=65 years
0 Participants
Age, Categorical
Between 18 and 65 years
0 Participants
Age, Continuous4.9 years
ASA physical status
ASA I
1 Participants
ASA physical status
ASA II
12 Participants
ASA physical status
ASA III
25 Participants
ASA physical status
ASA IV
2 Participants
Height (cm)106 centimeters
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
0 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
40 Participants
Race (NIH/OMB)
White
0 Participants
Region of Enrollment
United States
40 participants
Sex: Female, Male
Female
17 Participants
Sex: Female, Male
Male
23 Participants
Technique for one lung ventilation (OLV)
Bronchial blocker
5 Participants
Technique for one lung ventilation (OLV)
Bronchial intubation
19 Participants
Technique for one lung ventilation (OLV)
Double-lumen tube
16 Participants
Weight (kg)18.0 kilograms

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 40
other
Total, other adverse events
0 / 40
serious
Total, serious adverse events
0 / 40

Outcome results

Primary

The Accuracy of Using Ultrasound to Assess Lung Isolation by Visualizing Lung Movement or Lack Thereof of Both the Operative and Non-operative Lung Fields.

Ultrasound will be used to look for lung sliding in the ventilated lung field and lack of lung sliding and presence of lung pulse on the operative/isolated lung field. The effectiveness of this modality will also be compared to the lung auscultation for assessing lung isolation, which along with FOB is the current accepted standards of care.

Time frame: Within 5 minutes of intubation and single lung ventilation device placement

ArmMeasureGroupValue (NUMBER)
UltrasonographyThe Accuracy of Using Ultrasound to Assess Lung Isolation by Visualizing Lung Movement or Lack Thereof of Both the Operative and Non-operative Lung Fields.Specificity67 percent
UltrasonographyThe Accuracy of Using Ultrasound to Assess Lung Isolation by Visualizing Lung Movement or Lack Thereof of Both the Operative and Non-operative Lung Fields.Positive predictive value (PPV)97 percent
UltrasonographyThe Accuracy of Using Ultrasound to Assess Lung Isolation by Visualizing Lung Movement or Lack Thereof of Both the Operative and Non-operative Lung Fields.Accuracy95 percent
UltrasonographyThe Accuracy of Using Ultrasound to Assess Lung Isolation by Visualizing Lung Movement or Lack Thereof of Both the Operative and Non-operative Lung Fields.Negative predictive value (NPV)67 percent
UltrasonographyThe Accuracy of Using Ultrasound to Assess Lung Isolation by Visualizing Lung Movement or Lack Thereof of Both the Operative and Non-operative Lung Fields.Sensitivity97 percent
AuscultationThe Accuracy of Using Ultrasound to Assess Lung Isolation by Visualizing Lung Movement or Lack Thereof of Both the Operative and Non-operative Lung Fields.Negative predictive value (NPV)20 percent
AuscultationThe Accuracy of Using Ultrasound to Assess Lung Isolation by Visualizing Lung Movement or Lack Thereof of Both the Operative and Non-operative Lung Fields.Sensitivity65 percent
AuscultationThe Accuracy of Using Ultrasound to Assess Lung Isolation by Visualizing Lung Movement or Lack Thereof of Both the Operative and Non-operative Lung Fields.Specificity100 percent
AuscultationThe Accuracy of Using Ultrasound to Assess Lung Isolation by Visualizing Lung Movement or Lack Thereof of Both the Operative and Non-operative Lung Fields.Accuracy68 percent
AuscultationThe Accuracy of Using Ultrasound to Assess Lung Isolation by Visualizing Lung Movement or Lack Thereof of Both the Operative and Non-operative Lung Fields.Positive predictive value (PPV)100 percent
Primary

Time to Confirm Lung Isolation

Compare the time required to confirm lung isolation using auscultation, fiberoptic bronchoscopy (FOB), and ultrasound.

Time frame: Within 5 minutes of intubation and single lung ventilation device placement

ArmMeasureGroupValue (MEDIAN)
UltrasonographyTime to Confirm Lung IsolationTotal FOB time179 seconds
UltrasonographyTime to Confirm Lung IsolationTotal auscultation time21 seconds
UltrasonographyTime to Confirm Lung IsolationTotal ultrasound time67 seconds

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026