Clinical trials: Pulmonary Perfusion
Covid-19, Asthma
COVID-19 Related Lung Ventilation and Perfusion Injury
Little is currently known about the immediate and long-term effect of COVID-19 on lung ventilation (delivery of air to the lungs) and lung perfusion (delivery of blood to the lungs).
- Conditions
- Covid-19, Asthma, Healthy
- Trial name
- NCT04549636
- Testing
- V/Q SPECT-CT, St. George's Respiratory Questionnaire (SGRQ), mMRC (Modified Medical Research Council) Dyspnea Scale
- Where
- Canada
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- McMaster University
ARDS
Electrical Impedance Tomography-Derived Dorsal Recruitment-to-Inflation Ratio Identifies PEEP Responsiveness and Risk Phenotypes in ARDS
In the treatment of critically ill patients, mechanical ventilation is a key link, and appropriate mechanical ventilation strategies can open the alveoli and improve oxygenation, while inappropriate mechanical ventilation can…
- Trial name
- NCT06823804
- Testing
- Electrical Impedance tomography Monitoring
- Where
- China
- Volunteers
- 120 people
- Sponsor
- Ruijin Hospital
Eisenmenger Complex, Pulmonary Hypertension
Six Minutes Walk Test and Shuttle Walk Test in Eisenmenger Syndrome
The purpose of this study is to verify the applicability Six minutes walk test and Shuttle walk test in assessing functional capacity in patients with Eisenmenger Syndrome.
- Conditions
- Eisenmenger Complex, Pulmonary Hypertension, Congenital Heart Defects
- Trial name
- NCT02752399
- Where
- Brazil
- Volunteers
- 60 people
- Sponsor
- Federal University of São Paulo
Lung Diseases, Lung Inflammation
Impact of Lidocaine Administration on Postoperative Complications During Lung Resection Surgery
The purpose of this study is to analyze the impact of the intravenous (IV) or paravertebral (PV) lidocaine administration during the intraoperative period of lung resection surgery on the appearance of postoperative…
- Conditions
- Lung Diseases, Lung Inflammation, Lung Injury, Acute, Postoperative Complications
- Trial name
- NCT03905837
- Testing
- Lidocaine, Remifentanil
- Where
- Spain
- Volunteers
- 156 people
- Sponsor
- Francisco Andres de la Gala
Lung Transplant
An All Comers Registry For Normothermic Ex Vivo Lung Perfusion (EVLP) as Assessment of Donor Lungs for Transplant
The XVIVO Registry is to collect standard of care clinical data from "all-comers" who are transplanted with an EVLP lung treated with the XVIVO Perfusion System™ in order to assess the long-term performance of the device, and…
- Trial name
- NCT05101460
- Testing
- XVIVO Perfusion System (XPS™) with STEEN Solution™
- Where
- United States
- Volunteers
- 315 people
- Sponsor
- XVIVO Perfusion
Respiratory Distress Syndrome, Adult, Ventilation Perfusion Mismatch
Comparison of Extra Vascular Lung Water Index in Covid-19 ARDS and "Typical"ARDS Patients
Covid-19 also primarily affects endothelium that line up the alveoli. The resulting hypoxemia may differ from "typical" Acute Respiratory Distress Syndrome (ARDS) due to maldistribution of perfusion related to the ventilation.
- Conditions
- Respiratory Distress Syndrome, Adult, Ventilation Perfusion Mismatch, Pulmonary Edema, Covid19
- Trial name
- NCT04508933
- Testing
- Extravascular Lung Water Index, Pulmonary Vascular Permeability Index
- Where
- Turkey (Türkiye)
- Sponsor
- Istanbul University - Cerrahpasa
Acute Respiratory Distress Syndrome
Ventilation-Perfusion Matching in Early-stage Prone Position Ventilation
Prone positioning has been widely used in critical care medicine to improve oxygenation in patients with acute respiratory distress syndrome (ARDS).
- Trial name
- NCT05816928
- Where
- China
- Volunteers
- 29 people
- Sponsor
- Peking Union Medical College Hospital
Cystic Fibrosis
Comparing Chest Images From MRI to CT in Patients With Cystic Fibrosis (CF)
The purpose of this research is to learn more about the heart and blood vessels in the lungs of people with cystic fibrosis (CF).
- Trial name
- NCT01860872
- Where
- United States
- Volunteers
- 64 people
- Sponsor
- Children's Hospital Medical Center, Cincinnati
ARDS (Acute Respiratory Distress Syndrome)
EIT Evaluation of the Impact of Inhaled Nitric Oxide on Ventilation/Perfusion Mismatch in ARDS Patients Receiving Noninvasive Respiratory Support
This study aimed to quantitatively evaluate the immediate effect of inhaled nitric oxide on the ventilation / perfusion ratio in ARDS patients receiving nasal high flow oxygen therapy or noninvasive ventilation using electrical…
- Trial name
- NCT07617298
- Testing
- Inhale different doses of nitric oxide
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Ming Zhong
Lung Diseases
Evaluating the Addition of Hemodiafiltration to EVLP - Impact on the Regeneration of Marginal Donor Lungs
The primary objective of the study is the evaluation of the effect of hemodiafiltration during ex vivo lung perfusion in marginal donor lungs, and its feasibility.
- Trial name
- NCT06082401
- Testing
- hemodiafiltration (HDF), Ex vivo lung perfusion (EVLP)
- Where
- Austria
- Volunteers
- 30 people
- Sponsor
- Medical University of Vienna
Acute Respiratory Failure, Acute Respiratory Distress Syndrome (ARDS)
The Feasibility of Pulmonary Perfusion Assessment Using Sodium Bicarbonate Contrast With Electrical Impedance Tomography: A Prospective Pilot Study
The goal of this observational pilot study is to learn if sodium bicarbonate can be used safely and effectively as a contrast agent to map lung blood flow using electrical impedance tomography (EIT) in adults on mechanical…
- Conditions
- Acute Respiratory Failure, Acute Respiratory Distress Syndrome (ARDS), Pneumonia, Critical Illness
- Trial name
- NCT07542366
- Where
- China
- Volunteers
- 41 people
- Sponsor
- First Affiliated Hospital of Wannan Medical College
ARDS, Pulmonary Perfusion
The Study of EIT-guided Ventilation Strategy on ARDS Patients
This study is a clinical randomized controlled study.The objective of this study is to compare the prognosis of patients with ARDS between eit-v / q-oriented individualized ventilation strategy and traditional lung protection…
- Trial name
- NCT04734340
- Testing
- EIT-guided PEEP setting, ARDS-net PEEP setting
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Peking Union Medical College Hospital
Arteriovenous Graft Thrombosis, End Stage Renal Disease on Dialysis
Changes in Regional Ventilation-Perfusion Match Following Percutaneous Transluminal Angioplasty for Arteriovenous Graft Thrombosis
Patients with end-stage renal disease (ESRD) often require arteriovenous grafts (AVG) for hemodialysis. AVG thrombosis is a common complication, usually managed by percutaneous transluminal angioplasty (PTA) to restore blood…
- Trial name
- NCT07613632
- Testing
- Electrical Impedance Tomography (EIT) Monitoring
- Where
- China
- Volunteers
- 20 people
- Sponsor
- First Affiliated Hospital of Wannan Medical College
Supratentorial Neoplasms, Anesthesia, General
Effect of PEEP on Subdural Pressure, Optic Nerve Sheath Diameter, Lung Compliance and Brain Perfusion Pressure
We aim to determine the level of intraoperative PEEP that optimizes lung compliance without causing a rise in subdural pressure and if we can utilize optic nerve sheath diameter measurement as an indicator for ICP while…
- Conditions
- Supratentorial Neoplasms, Anesthesia, General, Optic Nerve
- Trial name
- NCT04316208
- Testing
- PEEP variations
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people
- Sponsor
- Istanbul University
Disorders Related to Lung Transplantation, Graft Failure
EVLP to Evaluate the Eligibility for Transplantation of DCD-Lungs
The procurement of organs from donors after cardiocirculatory death (DCD) is an accepted strategy to increase organ supply.
- Trial name
- EVLP-DCD (NCT02061462)
- Testing
- EVLP-DCD Group
- Where
- Italy
- Volunteers
- 10 people
- Sponsor
- Policlinico Hospital
Covid19
Effect of Prone Position onV/Q Matching in Non-intubated Patients With COVID-19
A prospective physiologic study, in participants with COVID-19-related pneumonia requiring supplemental oxygen (standard oxygen therapy or high-flow nasal cannula (HFNC)) less than 24 hours.
- Trial name
- NCT04754113
- Testing
- prone position
- Where
- China
- Volunteers
- 14 people
- Sponsor
- Southeast University, China
Perfusion; Complications, Mechanical Ventilation Complication
A Non-invasive Evaluation of Kidney-Lung Interactions
The present study aims to evaluate, with non-invasive methods, the relationships existing between PEEP and renal perfusion in patients undergoing surgery and requiring ventilatory support and monitoring in intensive care.
- Trial name
- KIDNEY-LUNG (NCT03747731)
- Where
- Italy
- Volunteers
- 109 people
- Sponsor
- St. Bortolo Hospital
Malignant Hydrothorax, Non Small Cell Lung Cancer
Systemic Chemotherapy Combined With Recombinant Human Adenovirus Type 5 and Endostatin Injections for Treatment Malignant Hydrothorax in NSCLC Patients
The purpose of this multi-center clinical trial is to verify more effective on local control of malignant pleural effusions in NSCLC patients by thoracic cavity perfusion of recombinant human adenovirus type 5 injection and…
- Trial name
- NCT02579564
- Testing
- Gemcitabine, Vinorelbine, Paclitaxel
- Volunteers
- 134 people
- Sponsor
- Xinqiao Hospital of Chongqing
Pulmonary Disease, Chronic Obstructive
Helium-3 MRI Imaging Study in COPD
This protocol describes the investigation of the use of hyperpolarised helium magnetic resonance imaging (MRI) in reflecting the regional differences in lung function of moderate to severe Chronic Obstructive Pulmonary Disease…
- Trial name
- NCT02207452
- Testing
- He-3 MRI, Salbutamol, Ipratropium
- Where
- United Kingdom
- Volunteers
- 11 people
- Sponsor
- GlaxoSmithKline
Covid19, Multisystem Inflammatory Syndrome in Children (MIS-C)
Contrast Enhanced Ultrasound in COVID-19
Initial data from COVID-19 patients suggests that one of the primary causes of death is significant endothelial injury leading to blood clotting and impaired multiorgan microvascular perfusion.
- Trial name
- NCT04640038
- Testing
- Sulfur hexafluoride lipid-type A microspheres
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- Children's Hospital of Philadelphia