Search clinical trials for: Calculation of ventilation-perfusion ratio

Total 945 results

King's College London
King's College Hospital NHS Trust

Completed

Ventilation-perfusion (V/Q) Ratio and Alveolar Surface Area in Preterm Infants

Bronchopulmonary Dysplasia

United Kingdom
National Heart, Lung, and Blood Institute (NHLBI)

Completed

Prospective Investigation of Pulmonary Embolism Diagnosis (PIOPED)

Lung Diseases | Pulmonary Embolism
NorthShore University HealthSystem
T4 Analytics

Terminated

Electromyographic Assessment of Onset and Recovery of Neuromuscular Blockade

Residual Neuromuscular Blockade

United States
Ain Shams University

Completed

Inverse Ratio Ventilation in Neonatal Open Repair of Tracheoesophageal Fistula.

Tracheo Esophageal Fistula

Egypt
Gachon University Gil Medical Center

Completed

Inverse Ratio Ventilation on Bariatric Operation

Hypoxia

Korea, Republic of
Gangnam Severance Hospital

Completed

Effect of Equal Ratio Ventilation on Blood Loss During Posterior Lumbar Interbody Fusion Surgery

Blood Loss, Surgical

Korea, Republic of
Ahi Evran University Education and Research Hospital

Completed

Effect of Induction Method in Post Operative Agitation

Emergence Agitation

Turkey
Samsung Medical Center

Completed

The Effect of Different I:E Ratio on Gas Exchange of Patients Undergoing One-lung Ventilation for Lung Surgery

Lung Cancer | One Lung Ventilation | Gas Exchange | Inverse-ratio Ventilation

Korea, Republic of
Seoul National University Hospital

Completed

The Effect of Prolonged Inspiratory Time on Gas Exchange During Robot-assisted Laparoscopic Surgery With Steep Trendelenburg Position : A Crossover Randomized Clinical Trial

Prostatic Neoplasm | Urinary Bladder Neoplasm

Korea, Republic of
University Hospital, Brest

Recruiting

Ventilation/Perfusion PET/CT With Galligas and 68Ga-MAA for Regional Lung Function Assessment After Pulmonary Embolism (EOLE)

Pulmonary Embolism | Dyspnea

France
All India Institute of Medical Sciences, Rishikesh

Unknown

a Study Conducted About a New Mode of Ventilation in Laparoscopic Surgeries

Lung Injury, Acute
Indiana University
National Heart, Lung, and Blood Institute (NHLBI)

Completed

Acute Kidney Injury in Patients Undergoing Contrast Exposure: VQ vs. CT (VQ/CT)

Acute Kidney Injury | Pulmonary Embolism | Contrast-induced Nephropathy

United States
University Medical Center Groningen

Completed

Initiation of Home Mechanical Ventilation at Home in Patients With Chronic Hypercapnic Respiratory Failure (Homerun)

Neuromuscular Diseases | Respiration, Artificial | Noninvasive Ventilation | Cost-Benefit Analysis | Positive-Pressure Respiration | Respiratory Therapy | Ambulatory Monitoring

Netherlands
Erasmus Medical Center

Not yet recruiting

Early Switch From Controlled to Assisted Ventilation (SWITCH-SAFE)

Mechanical Ventilation | Acute Hypoxemic Respiratory Failure
Tufts Medical Center

Withdrawn

Evaluation of the Versamed iVent in the Transport of Patients Receiving Mechanical Ventilation (iVent)

Respiration, Artificial

United States
University Hospital, Brest

Not yet recruiting

Residual Pulmonary Vascular Obstruction Index Computed With Ventilation/Perfusion SPECT/CT Imaging to Predict the Risk of Venous Thromboembolism Recurrence in Patients With Pulmonary Embolism (PRONOSPECT) (PRONOSPECT)

Venous Thromboembolism | Pulmonary Embolism

France
Centre Hospitalier Princesse Grace

Completed

Microvascular Injury and Distal Thrombosis in COVID-19 (MIND)

SARS-CoV-2 Infection

Monaco
Szeged University

Completed

Sublingual Tonometry to Assess Tissue Perfusion in Patients With Chronic Obstructive Pulmonary Disease (COPD) (subton)

Healthy Subjects | COPD

Hungary
AfterROSC

Recruiting

Comparison of Scores for Early Brain Damage Assessment at Intensive Care Unit Admission After Cardiac Arrest (AfterROSC2)

Cardiac Arrest

France
AfterROSC

Completed

Comparison of Scores for Early Brain Damage Assessment at Intensive Care Unit Admission After Out of Hospital Cardiac Arrest (AfterROSC1)

Cardiac Arrest

France, Belgium
Università degli Studi di Ferrara
Aalborg University

Completed

Evaluation of V/Q Mismatch as Predictor of Pulmonary Postoperative Complications in Patients Undergoing Major Surgery (VQppc)

Postoperative Complications | Anesthesia | Mechanical Ventilation Complication

Italy
Kocaeli Derince Education and Research Hospital

Completed

Comparison of Scoring Systems for Bleeding in Open Cardiac Surgery Patients

Bleeding
Damanhour University

Completed

Cumulative Fluids Balance and Ventilator Associated Events

Ventilator Associated Event

Egypt
Second Affiliated Hospital, School of Medicine,...

Recruiting

Study on the Accuracy of Intraocular Lens Calculation Formula

the Accuracy of Intraocular Lens Calculation Formula

China
Changhua Christian Hospital

Unknown

A Modified Mathematical Model to Calculate Power Received by Mechanically Ventilated Patients With Different Etiologies

Acute Respiratory Distress Syndrome, Mechanical Ventilation, Respiratory Mechanics, Ventilator-induced Lung Injury

Taiwan
University Hospital, Ghent

Completed

Validation of Serum Creatinine Dosage and Renal Clearance

Kidney Failure

Belgium
Erasme University Hospital

Completed

Measurement of Pulse Pressure Variation and Cardiac Output by a New Application for Android™ (Captesia™)

Coronary Bypass

Belgium
Centre Hospitalier Universitaire de Nīmes

Completed

Effects of Ketamine in the Acute Phase of Suicidal Ideation (KETIS)

Suicidal Ideation

France
University Hospital, Bordeaux
Institut National de Recherche en Informatique et en Automatique

Completed

Probabilistic Targeting of the VIM (PROBA-VIM)

Essential Tremor | Deep Brain Stimulation

France
OFTALVIST (Oftalmología Vistahermosa S.L)
Johnson & Johnson Surgical Vision, Inc.

Completed

Astigmatism Correction With Intrastromal Arcuate Incisions in Eyes Undergoing Cataract Surgery With Femtosecond Laser Using the Cassini Ambient With Iris Registration (ARCUATAS) (ARCUATAS)

Cataract | Astigmatism

Spain
RenJi Hospital

Completed

Early Prediction of QFR in STEMI-I (EARLYmyo-QFR-I)

ST Segment Elevation Myocardial Infarction
University Medical Center Ho Chi Minh City (UMC)

Not yet recruiting

Computational Prediction and Experimental Validation of Gastric Cancer Associated Neoantigens

Gastric Cancer | Neoantigens

Vietnam
University Medical Center Ho Chi Minh City (UMC)

Not yet recruiting

Computational Prediction and Experimental Validation of Esophageal Cancer Associated Neoantigens

Esophageal Cancer | Neoantigen

Vietnam
University of Vermont Medical Center

Not yet recruiting

Effect of Transpulmonary Pressure Guided Ventilation on Intraoperative Right Heart Function

Obesity | Surgery | Anesthesia | Mechanical Ventilation | Echocardiography, Transesophageal

United States
Centre Hospitalier Régional d'Orléans

Completed

Impact of qSOFA Calculation on the Timing of Antimicrobial Therapy in the Emergency Department (qSOFAST)

Intensive Care | Bacterial Infection

France
South Tees Hospitals NHS Foundation Trust

Completed

Comparison of Automated Oxygen Control With and Without Automated Pressure Control in Preterm Ventilated Infants. (CLIO-VG)

Oxygen Saturation Targetting in Preterm Ventilated Infants

United Kingdom
Gangnam Severance Hospital

Completed

Primary Needle Knife Fistulotomy Versus Conventional Cannulation Method

Pancreatic Diseases | Sphincter of Oddi Dysfunction | Biliary Stricture | Malignant Hepatobiliary Neoplasm | Common Bile Duct Stone

Korea, Republic of
RenJi Hospital

Unknown

Early Assessment of QFR in STEMI-II (EARLYmyoQFR-II)

ST Segment Elevation Myocardial Infarction

China
RenJi Hospital

Unknown

Early Prediction of QFR in STEMI-Pharmaco-invasice (EARLYmyoQFR-PI)

ST Segment Elevation Myocardial Infarction

China
University Hospital, Basel, Switzerland
Innosuisse - Swiss Innovation Agency

Recruiting

Validation of a Risk Assessment Model for Postoperative Delirium Based on Artificial Intelligence

Postoperative Delirium (POD)

Switzerland
University Children's Hospital, Zurich

Recruiting

Comparison of Gas Exchange Between Two Invasive Mechanical Ventilation Modes in Children (CoCO2)

Respiratory Failure

Switzerland
Assistance Publique Hopitaux De Marseille

Unknown

Predisposition to Infectious Endocarditis

Infective Endocarditis

France
Gazi University

Completed

Ventilatory Parameters and Inflammatory Responses of Neonates Ventilated by Different Modes of Ventilation

Ventilator Induced Lung Injury | Respiratory Distress, Newborn

Turkey
University of Sao Paulo General Hospital
Brazilian Research In Intensive Care Network; Latin American Intensive Care...

Recruiting

Adherence to Low Tidal Volume in the Transition to Spontaneous Ventilation in Patients With Acute Respiratory Failure (SPIRAL)

Respiratory Insufficiency | Respiration, Artificial | Acute Hypoxemic Respiratory Failure

Chile, Brazil, Argentina, Bolivia, Colombia, Ecuador, Paraguay, Peru, Uruguay, Mexico
DongGuk University

Completed

Comparison of Endotracheal Intracuff Pressure Between Two Cuff Sealing Methods

Endotracheal Tube

Korea, Republic of
Örebro County Council

Completed

Five-year Patency of No-touch Saphenous Vein Grafts in On-pump Versus Clamp-less Off-pump Coronary Artery Bypass Surgery

Coronary Artery Stenoses
University Hospital, Angers

Not yet recruiting

Impact of an Early Warning System on the Prognosis of Patients With Hematological Malignancies Receiving Intensive Chemotherapy With or Without Hematopoietic Cell Transplantation. (ALHERT)

Lymphoma | Leukemia | Multiple Myeloma

France
Leiden University Medical Center

Recruiting

Indocyanine Green for Perfusion Assessment of DIEP Flaps (FAFI)

Fat Necrosis

Netherlands
Universitair Ziekenhuis Brussel

Completed

Sonographic QUantification of Venous Circulation In the Preterm Brain (SQUIB)

Intraventricular Hemorrhage | Prematurity; Extreme | Periventricular Leukomalacia | Cerebral Circulatory Failure

Belgium
University of Monastir

Completed

Use of ΔIVC for Early Diagnosis of AHF in AECOPD

Acute Decompensated Heart Failure | COPD Exacerbation

Tunisia

Search clinical trials for: Calculation of ventilation-perfusion ratio

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