Clinical trials: Pulmonary Atelectases
Pulmonary Atelectasis, Pneumonia, Ventilator-Associated
Preoperative Optimization to Improve Functional Status
This is a pilot study to obtain preliminary information on the usability and efficacy of a pre-habilitation program. The investigators will recruit up to 100 patients.
- Trial name
- NCT04566172
- Testing
- Inspiratory Muscle Training (IMT)
- Where
- United States
- Sponsor
- Johns Hopkins University
Lung Collapse, Lung Diseases
The Accuracy of Pediatric Air Test as a Non-invasive Atelectasis Diagnostic Tool
HYPOTHESIS: During anesthetic pre-oxygenation with high FiO2, pulmonary atelectasis occur, especially in patients < 6 years old, where FRC and pulmonary closing volume may overlap.
- Conditions
- Lung Collapse, Lung Diseases, Atelectasis, Atelectasis Without Respiratory Distress Syndrome
- Trial name
- NCT04506203
- Testing
- Air test
- Where
- 3 sites in Argentina, Spain
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- Hospital Universitario La Paz
Obesity, Pulmonary Atelectasis
Effects of PEEP on Heart and Lungs in Obese Subjects
Aim of this study is to better understand pathophysiology of the alteration of respiratory mechanics and cardiovascular function in obese volunteer subjects.
- Conditions
- Obesity, Pulmonary Atelectasis, Obesity Hypoventilation Syndrome, Magnetic Resonance Imaging
- Trial name
- NCT02523352
- Testing
- Non-Invasive Ventilation, Esophageal catheter positioning
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Pulmonary Atelectasis
Descriptive and Comparative Study of Respiratory Function in the Postoperative Cardiac Surgery Patient
The study comprises two different objectives. Longitudinal description of postoperative pulmonary dysfunction in the cardiothoracic surgery patient, and the comparison of two different lungrecruitment strategies.
- Trial name
- NCT03009331
- Testing
- Lungrecruitment manoeuver in prone position., Lungrecruitment manoeuver in supine position.
- Where
- Sweden
- Volunteers
- 30 people
- Sponsor
- Sahlgrenska University Hospital
Atelectasis, General Aneshesia
Effects of Anesthesia on Atelectasis
We know that respiratory functions of patients are affected under general anaesthesia. Although there are many underlying causes of ventilation-perfusion mismatch in the airways, the main cause is atelectasis during general…
- Trial name
- NCT06790901
- Testing
- LUNG ULTRASOUND
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Zonguldak Bulent Ecevit University
Pulmonary Atelectasis
The Effects of Pre-extubation Single Recruitment Maneuver on Perioperative Atelectasis
Laparoscopic surgeries may cause atelectasis on the lungs which may stay clinically occult after the surgery. Lung Ultrasound Scoring (LUS) can provide an objective measuring system to understand the condition of the lungs in the…
- Trial name
- NCT05494255
- Testing
- Recruitment maneuver
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people
- Sponsor
- Istanbul University
Atelectasis, Lung Cancer
Study of the Application of CPAP to Reduce Complications and Improve Lung Cancer Ablation Radiofrequency Treatment
The project aims to study whether the application of a continuous positive airway pressure (CPAP) of 4 cm water vapor is a safe method in pulmonary radiofrequency intervention (PRF) lung cancer under conscious sedation compared…
- Trial name
- CPAP-RFP (NCT02117908)
- Testing
- RESMED AUTOSET S9
- Where
- Spain
- Volunteers
- 47 people
- Sponsor
- Sara Varea
Postoperative Atelectasis
Supine vs Prone Position and Atelectasis Assessed by Lung Ultrasound
Atelectasis frequently develops during and after general anesthesia due to factors such as anesthesia-induced diaphragmatic dysfunction, reduced functional residual capacity, altered ventilation-perfusion matching, and surgical…
- Trial name
- LUS-ATELEC (NCT07320092)
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Istanbul University - Cerrahpasa
Hypotension Drug-Induced, General Anesthesia Using Endotracheal Intubation
Alveolar Recruitment Maneuver-Induced Hypotension: A Dynamic Consequence and Intraoperative Indicator of Fluid Responsiveness
This study investigates whether two simple bedside tests - the Passive Leg Raising (PLR) test and the Pleth Variability Index (PVI) - can predict a drop in blood pressure that sometimes occurs during a lung-opening procedure…
- Conditions
- Hypotension Drug-Induced, General Anesthesia Using Endotracheal Intubation, Atelectasis, Fluid Responsiveness
- Trial name
- NCT07766967
- Testing
- Alveolar Recruitment Maneuver (ARM), Passive Leg Raising (PLR) Test
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people
- Sponsor
- University of Health Sciences Balikesir Hospital Eduation and Research
Hypoxemia During Surgery, Atelectasis
Usage of High Flow Nasal Cannula in Preventing Desaturations in Elderly Patients Going for Lower Limb Surgeries
To study the effect of high flow nasal cannula in comparisons with nasoprong used intraoperatively in patients oxygenation status
- Trial name
- NCT06054022
- Testing
- high flow nasal cannula, nasoprong oxyen 2Litres per minute
- Where
- Malaysia
- Volunteers
- 50 people
- Sponsor
- Universiti Kebangsaan Malaysia Medical Centre
Pulmonary Infection, Pleural Effusion
Perioperative Change of Regional Ventilation During Spontaneous Breathing
Perioperative changes in regional ventilation by pulmonary electrical impedance tomography and spirometry will be investigated in patients at risk for postoperative pulmonary complications.
- Conditions
- Pulmonary Infection, Pleural Effusion, Atelectasis, Pneumothorax
- Trial name
- NCT02419196
- Testing
- Perioperative pulmonary function tests
- Where
- Germany
- Volunteers
- 72 people
- Sponsor
- Wuerzburg University Hospital
Hypoxemia
Effect of Different Oxygen Concentrations Before Extubation After General Anesthesia on Hypoxemia After Extubation in Post-anesthesia Care Unit
Before extubation during the anesthesia recovery period, 100% oxygen is routinely inhaled to increase the oxygen reserves, maximizing the time window for anesthesiologists to adjust strategies when they encounter hypoxemia after…
- Trial name
- NCT07293286
- Testing
- 100% oxygen concentration inhaled, 30% oxygen concentration inhaled
- Where
- China
- Volunteers
- 590 people
- Sponsor
- Sixth Affiliated Hospital, Sun Yat-sen University
Anesthesia, Surgery
Effects of Recruitment Maneuver on Functional Residual Capacity
Recruitment maneuver is frequently used in daily anaesthesia routine to prevent athelectasia and ventilation perfusion mismatch.
- Conditions
- Anesthesia, Surgery, Atelectasis
- Trial name
- NCT04208737
- Testing
- recruitment maneuver
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 50 people
- Sponsor
- Istanbul University
Atelectasis, Nasal Septal Deviation
Fresh Gas Flow Rate and Perioperative Lung Aeration Assessed by Lung Ultrasound in Septoplasty
This prospective, single-center observational cohort study evaluated the association between fresh gas flow rate during inhalational anesthesia and perioperative changes in lung aeration in adults undergoing elective surgery for…
- Trial name
- NCT07758517
- Testing
- Fresh Gas Flow Rate of 1 L/min, Fresh Gas Flow Rate of 3 L/min
- Where
- Turkey (Türkiye)
- Volunteers
- 2 people
- Sponsor
- Fatih Sultan Mehmet Training and Research Hospital
Atelectasis, Pneumonia
Comparison of Three Scores for Ultrasound Assessment and Monitoring of Pulmonary Aeration
This study is designed to compare three ultrasound-based aeration scores that were previously validated in specific populations, and to assess their correlation with computed tomographic measurement of pulmonary aeration in a…
- Conditions
- Atelectasis, Pneumonia, Acute Respiratory Distress Syndrome, Pulmonary Embolism
- Trial name
- NCT02450825
- Testing
- Lung ultrasound examination on Day 1 and Day 2 to 4, Lung ultrasound examination on Day 1, GE Vivid Ultrasound system
- Where
- Canada
- Volunteers
- 77 people
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Anesthesia
Evaluation of Lung Atelectasis During Apneic Oxygenation Using THRIVE in Adults During Laryngeal Surgery.
Oxygenation with high-flow nasal cannula with 100% oxygen have now been evaluated in a number of studies and the data are convincing.
- Trial name
- A-THRIVE (NCT03458091)
- Testing
- THRIVE, Endotracheal intubation
- Where
- Sweden
- Volunteers
- 30 people
- Sponsor
- Karolinska University Hospital
Pulmonary Atelectasis
Fraction of Inspired Oxygen and Atelectasis in Children
Investigators hypothesized that maintaining low fraction of inspired oxygen would be beneficial to prevent anesthesia-induced atelectasis in mechanically ventilated children undergoing general anesthesia.
- Trial name
- NCT02870842
- Testing
- Lung ultrasound, Respiratory management
- Where
- South Korea
- Volunteers
- 86 people
- Sponsor
- Seoul National University Hospital
Lung Collapse
Spontaneous Ventilation Versus Controlled Ventilation on Lung Atelectasis in Children.
This is an observational study to compare the effect of spontaneous ventilation versus controlled ventilation on lung atelectasis using lung score measured by lung ultrasound.
- Trial name
- NCT03142997
- Testing
- Lung ultrasound
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Cairo University
Atelectasis
Dornase Alpha Versus Hypertonic Saline for Lung Atelectasis in Non-Cystic Fibrosis Patients
Despite the lack of trials proving the efficacy of DNase in non cystic fibrosis patients, it is currently heavily used in this population.
- Trial name
- NCT00671723
- Testing
- Normal saline:, Hypertonic Saline, Dornase alpha
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- University of Oklahoma
Atelectasis
Prevention of Atelectasis, Via High Flow Nasal Cannula to Obtain a PEP, During General Anesthesia in Children
Anesthesia causes respiratory changes and complications, which are the main causes of complications and anesthesia-related deaths.
- Trial name
- PREVAT-PED (NCT03592589)
- Testing
- high flow nasal canula
- Where
- France
- Volunteers
- 42 people
- Sponsor
- Assistance Publique Hopitaux De Marseille