Trial · NCT07079436
EIT Evaluation of Pulmonary Ventilation With Different Ropivacaine Concentrations in Intercostal Nerve Blockade
NCT07079436, Not applicable, Completed, Fudan University
3 sourcestrials-2026-11-12-0.5.0
Cite this record
ConductScience Library. EIT Evaluation of Pulmonary Ventilation With Different Ropivacaine Concentrations in Intercostal Nerve Blockade. Trials, record NCT07079436. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT07079436
On this page
Trial
As registered on ClinicalTrials.gov, in the graph's capture of the registry.
- Title
- EIT Evaluation of Pulmonary Ventilation With Different Ropivacaine Concentrations in Intercostal Nerve Blockade
- NCT number
- NCT07079436
- Status
- Completed
- Phases
- Not applicable
- Enrollment
- 67 participants, actual
- Lead sponsor
- Fudan University
- Conditions
- Intercostal Nerve Block, Pulmonary Ventilation, Anesthesia, Local, Breast Neoplasms, Surgical Procedures, Operative
- Interventions
- 0.25% ropivacaine, 0.375% Ropivacaine, 0.5% Ropivacaine
- First posted
- 2025-07-23
- Last updated
- 2026-09-10
Source ClinicalTrials.gov
Registered outcomes5
Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.
| List | Outcome | Time frame | Description |
|---|---|---|---|
| Primary | The percentage decrease (/L) of the surgical side lung ventilation to total lung ventilation after blockade | 15 minutes after blockade | The patient was placed in a supine position, and an EIT electrode strip was placed along the 4th intercostal space on the chest. Continuous monitoring of EIT (Drager Infinity C500, Germany) was performed, and tidal resistance changes during quiet breathing and deep breathing over at least 5 consecutive respiratory cycles were collected to construct lung ventilation distribution images. The main focus is to compare the changes in ROI% in different regions before and after the block, with comparisons made in 4 quadrants: "left upper, right upper, left lower, right lower". |
| Secondary | Block success rate | 5 minutes after surgery | The patient was able to undergo the surgery successfully without the need for additional rescue anesthesia measures. |
| Other | Adverse events | 1 hour after surgery | The number of cases with adverse events, adverse reactions, and serious adverse events (to be specified) such as local anesthetic toxicity, Horner's syndrome, and pneumothorax. |
| Other | Pain-related assessment | 24 hours after surgery | The Numerical Rating Scale (NRS) was used to assess the patient's pain score via telephone. |
| Other | Pain-related assessment | 6 hours after surgery | The Numerical Rating Scale (NRS) was used to assess the patient's pain score via telephone. |
Source ClinicalTrials.gov
Outcomes0
Each outcome the trial posted results for, in ClinicalTrials.gov's words.
None in this release.
Results by group0
Each measurement the trial posted, group by group, in the words and numbers it posted.
None in this release.
Participant flow0
How many started, completed or left each group, period by period.
None in this release.
Adverse events0
Each adverse event the trial posted, group by group: the participants affected out of those at risk.
None in this release.
Adverse event totals0
The totals the trial posted for each group.
None in this release.
Papers0
The papers the trial lists on ClinicalTrials.gov.
None in this release.
Grants0
The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.
None in this release.
Trial comparisons0
Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.
None in this release.
Tests0
The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.
None in this release.
Data dates
The day each source was copied for this release.
Sources 3
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNo license stated
- NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
- ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
- ClinicalTrials.govnone stated
- NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.
For software
Read this trial from software.
The record and each of its lists are JSON, twenty rows a page. No key.
GET https://conductscience.org/api/trials/v1/NCT07079436
GET https://conductscience.org/api/trials/v1/NCT07079436/registered