Clinical trials: Modified Prone Position
Obesity, Thinness
The Effects of Overfeeding on Obesity-Prone (OP) and Obesity-Resistant (OR) Women
This is a longitudinal cohort study of how the responses to a 3 day period of controlled overfeeding relate to subsequent weight gain.
- Conditions
- Obesity, Thinness, Weight Gain
- Trial name
- NCT00072917
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Intraabdominal Hypertension, Prone Postion
Changes of Intra Abdominal Pressure During Surgeries in Prone Position as a Marker of Renal Damage
Background: Patients undergoing surgical operations in prone position do not have a measure of intra abdominal pressure as a standard procedure.
- Conditions
- Intraabdominal Hypertension, Prone Postion, Spine Surgery
- Trial name
- NCT05626868
- Testing
- Intra abdominal pressure measurement
- Where
- Poland
- Volunteers
- 24 people
- Sponsor
- Medical University of Warsaw
Hemodynamics Instability, Prone Position
Hemodynamic Changes Due to Prone Position
Perioperative prone position may be associated with hemodynamic instability. The causes of instability have not yet been precisely elucidated.
- Trial name
- NCT04491331
- Testing
- prone position
- Where
- Czechia
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University Hospital Hradec Kralove
Airway Management
Airway Changes in Patients Undergoing Elective Surgical Procedures in the Prone and Trendelenburg Positions
The goal of this study is to track the intraoperative changes that occur in the airways of patients undergoing 1) laparoscopic surgeries in the Trendelenburg position, and 2) spinal surgeries in the prone position, as well as the…
- Trial name
- NCT02738788
- Testing
- Intubation
- Where
- United States
- Volunteers
- 180 people
- Sponsor
- Tufts Medical Center
Acute Respiratory Distress Syndrome, Prone Position
By Assessing the Continuous Respiratory Physiological Changes Through Prone Position, Determine the Optimal Duration for Prone Position
The prone position leads to a more homogeneous distribution of ventilation by inflation of collapsed alveoli and reduction in alveolar hyperinflation.
- Conditions
- Acute Respiratory Distress Syndrome, Prone Position, Electrical Impedance Tomography
- Trial name
- NCT06827184
- Testing
- Electrical Impedance Tomography
- Where
- Taiwan
- Volunteers
- 100 people
- Sponsor
- National Taiwan University Hospital
ARDS, Prone Positioning
Changes in Cerebral Oxygenation During the Prone Position in Patients With Acute Respiratory Distress Syndrome
Hypoxemia may be refractory to protective ventilation during the acute respiratory distress syndrome (ARDS), justifying the use of other therapies that improved oxygenation and decreased mortality, including prone position (PP).
- Trial name
- OXYDV (NCT02415738)
- Testing
- Prone positioning
- Where
- France
- Volunteers
- 10 people
- Sponsor
- Centre Hospitalier Bretagne Atlantique
Corona Virus Infection
Clinical Characteristics and In-hospital Death of a Chilean COVID-19 Prospective Cohort
The investigators planned to examine a cohort of admitted patients at University of Chile Clinical Hospital with COVID-19 diagnosis.
- Trial name
- NCT04758039
- Where
- Chile
- Volunteers
- 395 people
- Sponsor
- University of Chile
Optic Nerve Sheath Diameter
Optic Nerve Sheath Diameter in Craniosynostosis
Changes of optic nerve sheath diameter after position changes
- Trial name
- ONSD (NCT03131245)
- Where
- South Korea
- Volunteers
- 30 people
- Sponsor
- Seoul National University Hospital
Spinal Surgery, Prone Position
A Prospective Observational Study on Factors Affecting Optic Nerve Sheath Diameter and Visual Acuity in Prone Spinal Surgery
The prone position in spinal surgery can alter intracranial pressure and optic nerve sheath diameter (ONSD) and potentially lead to visual complications.
- Trial name
- PRONE-ONSD (NCT07395115)
- Where
- Turkey (Türkiye)
- Volunteers
- 65 people
- Sponsor
- Istanbul University - Cerrahpasa
Obesity, Spinal Surgery
Haemodynamic Changes During Anaesthesia in the Prone Position, Evaluated Using Transoesophageal Ultrasound
Transoesophageal ultrasound examination before and after prone position.
- Conditions
- Obesity, Spinal Surgery, Anaesthesia, Changes in Left and Right Ventricle Dimension
- Trial name
- NCT02595788
- Testing
- Change from supine to prone position
- Where
- Denmark
- Volunteers
- 20 people
- Sponsor
- Odense University Hospital
ARDS (Moderate or Severe)
Prone Positioning in ARDS: Predicting Neurological Complications Via Cerebral Hemodynamics
Prone Positioning in ARDS: Predicting Neurological Complications via Cerebral Hemodynamics
- Trial name
- PRONEBRAINAR (NCT06967285)
- Testing
- Prone ventilation
- Where
- China
- Volunteers
- 50 people
- Sponsor
- Sichuan Provincial People's Hospital
ARDS, Respiratory Failure
ARDS Esophageal Balloon Pressure Changes With Positioning Study
The use of esophageal balloon catheters, which use esophageal pressure as a surrogate measurement for transpleural pressure, shows promise in improving outcomes of patients with severe acute respiratory distress syndrome (ARDS)…
- Trial name
- NCT03120793
- Testing
- Esophageal balloon catheter
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- University of North Carolina, Chapel Hill
Thoracic Surgical Procedures, One-lung Ventilation (OLV)
Study of Cardiac Power Index During Supine, Lateral, and Between Left and Right Positions During Two- and One-Lung Ventilation (OLV): Comparison of Hemodynamic Changes After Lung Recruitment Maneuver and Fluid Challenge Among Responders and Non-Responders (SVI, MAP, CPI Changes).
The aim of this trial is to study the changes of the Cardiac Power Index (CPI) during supine and lateral decubitus position in two and one lung ventilation respectively.
- Conditions
- Thoracic Surgical Procedures, One-lung Ventilation (OLV), Hemodynamic Changes
- Trial name
- NCT07037225
- Testing
- Fluid challenge during one-lung ventilation (OLV) in the lateral decubitus position, Hemodynamic monitoring
- Where
- Greece
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Maria Fountoulaki
Ventilators, Mechanical
Ventilation Strategy for the Elderly Patients in Prone Position
The investigators compare three ventilation modes; volume controlled ventilation, volume guaranteed pressure controlled ventilation and volume controlled ventilation with pause during spine surgery for the elderly patients.
- Trial name
- NCT04520893
- Testing
- ventilator setting vcv with pause, ventilator setting vcv, ventilator setting pcv-vg
- Where
- South Korea
- Volunteers
- 45 people
- Sponsor
- Eunhee Chun
Acute Respiratory Distress Syndrome, Ventilation Perfusion Mismatch
Change in the Phase III Slope of the Volumetric Capnography by Prone Positioning in Acute Respiratory Distress Syndrome
This study evaluates the effects of prone positioning on homogenization of ventilation.
- Conditions
- Acute Respiratory Distress Syndrome, Ventilation Perfusion Mismatch, Respiratory Failure
- Trial name
- NCT05535543
- Testing
- Prone Positioning
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Istanbul University - Cerrahpasa