Clinical trials: Obese; Positioning
Obesity, Healthy Diet
Pricing Interventions Based on Energy Content in Restaurants
The goal of this clinical trial is to examine the impact of price decreases based on energy content in a full-service restaurant on immediate dietary consumption (in terms of kilocalories (kcals), sugar, fat, and salt intake) and…
- Conditions
- Obesity, Healthy Diet, Eating Behavior
- Trial name
- NCT05818345
- Testing
- Pricing intervention
- Where
- 2 sites in United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Liverpool
Bariatric Surgery (Sleeve Gastrectomy ), Hemodynamics
Effect of Intraoperative Position Change on Hemodynamics and Electrocardiography
The combined effects of obesity-related cardiac structure and function changes, comorbidities, pneumoperitoneum technique, and reverse Trendelenburg position may complicate anesthesia management by affecting intraoperative…
- Conditions
- Bariatric Surgery (Sleeve Gastrectomy ), Hemodynamics, Electrocardiography
- Trial name
- NCT06835166
- Testing
- 12-lead electrocardiography measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people
- Sponsor
- Firat University
Obesity
Establishing Optimal PEEP Setting for Obese Patients in the Steep Trendelenburg Position
The purpose of this study is to determine whether the Enlight 2100 electrical impedance tomography (EIT) belt can optimize positive end-expiratory pressure (PEEP) during surgery better than standard anesthesia machines.
- Trial name
- NCT06518239
- Testing
- Peep Belt
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- University of Missouri-Columbia
Diet, Healthy, Food Selection
Increasing Availability of Lower Energy Meals on Food Choice and Intake
This study will examine the effectiveness of a structural intervention (baseline proportion of lower energy ready meals vs increased proportion of lower energy ready meals) on calories (kcal) ordered and consumed.
- Conditions
- Diet, Healthy, Food Selection, Obesity, Eating Behavior
- Trial name
- NCT04893213
- Testing
- Manipulation of availability of lower energy meal options
- Where
- United Kingdom
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Liverpool
Nutrition Poor, Obesity
Increasing Availability of Lower Energy Meals vs. Menu Energy Labelling on Food Choice
Two randomized control trials examining human food choice (i.e. selection of high energy 'unhealthy' foods vs. selection of healthier foods).
- Conditions
- Nutrition Poor, Obesity, Diet, Healthy, Food Selection
- Trial name
- NCT04336540
- Testing
- Menu configuration (presence of energy labelling), Menu configuration (more lower energy options added)
- Where
- United Kingdom
- Volunteers
- 2,091 people, healthy volunteers welcome
- Sponsor
- University of Liverpool
Shoulder Arthoscopy, Beach Chair Position
Effect of Compression Stockings on Cerebral Desaturation Events in Obese Patients Undergoing Shoulder Arthroscopy in the Beach Chair
The study compares the effect of thigh high compression stockings on cerebral desaturation events in patients undergoing shoulder arthroscopy in the beach chair position with a BMI greater than or equal to 30.
- Conditions
- Shoulder Arthoscopy, Beach Chair Position, Cerebral Desaturation Events, Obese
- Trial name
- NCT03996668
- Testing
- Thigh High Compression Stockings
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Loyola University
Pregnancy, Obesity
Identification of the L3-L4 Intervertebral Space in Obese Parturients
This study is designed to determine the frequency of Tuffier's line overestimation (2 lumbar levels or more) when the palpation method is used in obese parturients at term in the lateral position compared to the sitting position.
- Conditions
- Pregnancy, Obesity, Obstetrical Anesthesia
- Trial name
- NCT02616653
- Testing
- L3-L4 location: Palpation method confirmed by US
- Where
- Canada
- Volunteers
- 120 people
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Morbid Obesity
Impact of Reverse Trendelenburg on ONSD in Obesity Surgery
This prospective randomized controlled trial aims to investigate the effect of reverse Trendelenburg positioning applied before pneumoperitoneum on optic nerve sheath diameter (ONSD) and, consequently, intracranial pressure…
- Trial name
- ONSD (NCT07639502)
- Testing
- Pre-pneumoperitoneum Reverse Trendelenburg Group
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Bagcilar Training and Research Hospital
Intraocular Pressure Disorder
A Comparison of Intraocular Pressures (IOP) During Prolonged Trendelenburg Positioning in Morbidly Obese and Thin Patients
This study is to determine if there is a rise in eye pressure, when patients are placed in a position where the head is lower than the rest of the body during long surgeries.
- Trial name
- NCT01737645
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- Corewell Health East
Perfusion Index
PERFUSION INDEX, PRONE ,SUPİNE AND SITTING POSITION
The aim was to investigate the effect of anesthesia management on perfusion index changes in obese patients and different anesthesia positions.
- Trial name
- NCT06742619
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people
- Sponsor
- Amasya University
Obesity/therapy, Prevention and Control
Cognitive-Behavioral Intervention to Increase Tummy Time Practice and Maintain Healthy Weight in Infants
Childhood obesity is a serious health problem worldwide evidenced by its high prevalence, specifically for the age group called the first 1000 days of life.
- Trial name
- NCT06616467
- Testing
- Tummy Time for the prevention of childhood obesity
- Where
- Mexico
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- Universidad Autonoma de Nuevo Leon
Diet, Healthy, Eating Behavior
SEP and the Impact of Portion Size on Daily Energy Intake
Reducing food portion size is a potential strategy to reduce energy intake. There is some evidence to suggest that individuals with lower socioeconomic position (SEP) intend to eat more from larger portions, suggesting that the…
- Conditions
- Diet, Healthy, Eating Behavior, Obesity
- Trial name
- NCT05173376
- Testing
- Portion size manipulation
- Where
- United Kingdom
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- University of Liverpool
Obesity, Abdominal
Effect of Body Position on Spirometry in Abdominal Obesity.
Objective: Study the effect of body position on spirometry in obese patients as defined by waist to hip ratio (WHR) of greater than 0.85 in women, and 0.9 in men Background: Spirometry is routinely ordered to work up dyspnea in…
- Trial name
- NCT03347604
- Testing
- Supine spirometry, MIPs and MEPs
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Rush University Medical Center
Caesarian Section
Comparison of Successful Spinal Needle Insertion Between Obese and Non-obese Pregnant Women
The study aimed to compare successful spinal needle insertion between obese and non-obese pregnant women in crossed leg sitting position undergoing cesarean section
- Trial name
- NCT03054233
- Testing
- Crossed leg sitting position
- Where
- 2 sites in Indonesia
- Volunteers
- 136 people
- Sponsor
- Universitas Indonesia
Obesity, Shoulder Impingement
Compression Stocking Use in Shoulder Arthroscopy in Beach Chair
Shoulder arthroscopy is one of the most commonly performed orthopaedic procedures and it is often done with the patient in the upright, or beach chair position (BCP).
- Trial name
- NCT01996813
- Testing
- Thigh-high compression stockings
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- Loyola University
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
Obesity (Disorder), Ventilation Homogeneity
Positional Effects on Lung Ventilation and Perfusion in Obesity
Electrical Impedance Tomography (EIT) is a non-invasive, bedside monitoring tool that provides real-time information on regional ventilation and perfusion.
- Conditions
- Obesity (Disorder), Ventilation Homogeneity, Perfusion, Ventilation Perfusion Mismatch
- Trial name
- NCT07341113
- Testing
- Standardized body positioning
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Koç University
Spinal Column, Lumbar Puncture
Comparison of Lateral Decubitus and Upright Sitting Positions in Measuring Intervertebral Space Via Ultrasound in Obese Volunteers
The aim of the study is to compare the lateral decubitus and upright sitting positions in determining the intervertebral space measured by ultrasound in participants whose body mass index was greater than 30 and older than…
- Conditions
- Spinal Column, Lumbar Puncture, Ultrasonography, Position
- Trial name
- NCT07315451
- Where
- Turkey (Türkiye)
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Kocaeli City Hospital
Obesity
Effectiveness of Two Different Body Positions During Facemask Ventilation in Obese Patients
It is important to provide enough oxygen to the patients who are asleep during surgery. One way to do this is by using a mask placed over the face to help them breathe.
- Trial name
- NCT06305273
- Testing
- Head position for face mask ventilation during induction supine, Head position for face mask ventilation during induction head elevated
- Where
- Canada
- Volunteers
- 50 people
- Sponsor
- Mount Sinai Hospital, Canada
Intubation
Glottic Visualisation During Laryngoscopy
In this study, we aimed to investigate the effects of head and neck positions on the visualization of glottis and the success of intubation during videolaryngoscopy in obese patients.
- Trial name
- NCT04003727
- Testing
- Mcgrath Mac Videolaryngoscope
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people
- Sponsor
- Tokat Gaziosmanpasa University