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Showing 1-11 of 11 trials
NCT03157609
The present study aims to assess the accuracy of the SpotOn™ Zero-heat-flux-thermometry sensor in measuring core temperature in the paediatric population in the perioperative period.
NCT05349734
The aim of this study is to compare the underbody blanket and overbody blanket for forced air warming to maintain normothermia in pediatric patients undergoing cardiovascular interventions under general anesthesia.
NCT05958550
The incidence of postoperative hypothermia in patients with laparoscopic gastrointestinal tumors is high. Hypothermia increases the risk of postoperative complications and medical costs. Early warning can effectively reduce the incidence of postoperative hypothermia in patients. Multivariate prediction models help identify high-risk patients and reversible factors. At present, there are few reports on the risk factors and prediction models of postoperative hypothermia in patients with laparoscopic gastrointestinal tumors. Therefore, this study aims to clarify the risk factors of postoperative hypothermia in patients with laparoscopic gastrointestinal tumors. Four machine learning algorithms, traditional Logistic regression analysis, decision tree, random forest and naive Bayes, were used to establish risk prediction models. According to the TRIPOD statement, C-index, Hosmer-Lemeshow ( H-L ) test and decision curve analysis ( DCA ) were used to evaluate the prediction and fitting effects of the models in all aspects, and the optimal model was selected and verified. Provide reference for subsequent research.
NCT06010069
The goal of this observational study is to compare frequency of intraoperative hypothermia between fragilitly groups of eldery patients who underwent orthopedic surgical procedures. It aims to answer those questions: * İs there any difference between fragility groups in terms of hypothermia frequency during orthopedic surgical procedures? * Are there any other factors that influence the frequency of hypothermia such as age, body mass index, room temperature etc. ? Participants body temperature before anestesia application,and before surgery had started was measured and measurament was done during whole procedure. Measuraments had been done by tympanic thermometer.
NCT05516771
Title: Evaluation of a licensed double-sensor-heat-flux (DHF) non-invasive core temperature sensor in small children and toddlers undergoing surgery. CI/PS identification code: DHF-TaSC Device Name: Tcore™ system (Tcore-Adapter MP00999 \& Tcore-Sensor MP 00989) Manufacturer: Drägerwerk AG \& CO KGaA Study design: Prospective, single arm, clinical study Patients: * Number: 72 * Age / gender: females and males between 0 and 7 years * Patients of a tertiary referral, university-affiliated hospital undergoing surgery Exclusion Criterions: * Operation site, rash or infection that prevents the application of the heat flux thermometers. * Patients and/or legal guardians not willing to participate in the trial. * Patients older than 7 years Setting: ORs of a tertiary referral, university-affiliated hospital. Study variables: measurement triplets measured via two double-sensor-heat-flux (DHF) thermometer the Tcore™ (Dräger, Drägerwerk AG \& Co KG, 23558 Lübeck, Germany) one placed on the forehead and one on the upper belly and temperature measured by a rectally placed temperature probe.
NCT04709627
This study is part of a post-market clinical follow-up (PMCF). The purpose of this study is to verify in a routine clinical environment with a number of caregivers and subjects that the enFlow performs as intended when used as an element of maintaining acceptable core temperatures.
NCT05215834
1. Core body temperature is normally tightly regulated to within a few tenths of a degree. The major thermoregulatory defences in humans are sweating, arteriovenous shunt vasoconstriction, and shivering. 2. Inadvertent hypothermia often complicates prolonged surgery. In patients becoming sufficiently hypothermic, reemergence of thermoregulatory vasoconstriction usually prevents further core hypothermia. 3. The extent to which anesthetics reduce the vasoconstriction threshold depends on the type of drug and its concentration.
NCT04252820
Perioperative hypothermia is one of the most common anaesthetic complications, increasing the morbidity/mortality of our patients. Active prewarming with hot forced-air devices has demonstrated to be the most effective tool to prevent hypothermia, but its use is only recommended in long-term surgeries and the optimal prewarming duration has not been elucidated. Both spinal anaesthesia associated to the irrigation with liquids at low temperature instilled during transurethral resection (TUR) cause a decrease in the core temperature of the patient. This is a clinical trial comparing different time periods of prewarming in patients submitted to undergo elective transurethral resection. Our aim is to assess the effect of different time-periods of prewarming on preventing perioperative hypothermia during TUR with spinal anaesthesia. Investigators will compare different time periods: 0 minutes (control group), 15 minutes, 30 minutes and 45 minutes. 200 patients are going to be included in this study (50 patients in each group). Measurement of temperature will be performed using a tympanic thermometer and zero-heat-flux temperature sensor. Patients will be followed throughout their hospital admission. Data will be recorded using a validated instrument and will be analysed using the statistics program R Core Team.
NCT03617809
Hypothermia is a frequent perioperative complication. Its appearance can have deleterious effects such as perioperative bleeding or surgical site infection. Once the temperature has decreased, its treatment is difficult. Preoperative warming prevents hypothermia, lowering the temperature gradient between core and peripheral compartments and reducing thermal redistribution. The most recent clinical practice guidelines advocate for active prewarming before induction of general anaesthesia since it is very effective in preventing perioperative hypothermia. However, the ideal warming time prior to the induction of anesthesia has long been investigated. This study aims to evaluate if different time periods of preoperative forced-air warming reduces the incidence of hypothermia at the end of surgery in patients submitted to laparoscopic urological surgery under general anesthesia. This is an observational prospective study comparing routine practice of pre-warming in consecutive surgical patients scheduled to laparoscopic prostatectomy or nephrectomy between August and December 2018. In this study 64 - 96 patients will be included and prewarming will be applied following routine clinical practice. The prewarming time will depend on the time the patient has to wait before entering in the operating theatre. Measurement of temperature will be performed using an esophagic thermometer. Patients will be followed throughout their hospital admission. Data will be recorded using a validated instrument and will be analysed using the statistics program R Core Team.
NCT03527329
Hypothermia is a frequent perioperative complication. Its appearance can have deleterious effects such as myocardial ischemia or perioperative bleeding. When the negative effects of anesthesia on temperature are aggravated by other factors, such as glycine infusion in transurethral resection, temperature can decrease even more. Once the temperature has decreased, its treatment is difficult. Preoperative warming prevents hypothermia, lowering the temperature gradient between core and peripheral compartments and reducing thermal redistribution. The most recent clinical practice guidelines advocate for active prewarming before induction of general anaesthesia since it is very effective in preventing perioperative hypothermia. However, the ideal warming time prior to the induction of anesthesia has long been investigated. This study aims to evaluate if different time periods of preoperative forced-air warming reduces the incidence of hypothermia at the end of surgery in patients submitted to transurethral resection. This is an observational prospective study comparing routine practice of pre-warming in consecutive surgical patients scheduled to undergo elective transurethral resection between March 2014 and April 2018. Three-hundred patients are included in this study and prewarming will be applied following routine clinical practice. The prewarming time will depend on the time the patient has to wait before entering in the operating theatre. Measurement of temperature will be performed using a tympanic thermometer. Patients will be followed throughout their hospital admission. Data will be recorded using a validated instrument and will be analysed using the statistics program R Core Team.
NCT00980642
Our primary hypothesis is that the Draeger dual-sensor temperature monitoring system, used at the forehead, is sufficiently accurate compared to tympanic, bladder or esophageal temperature and oral temperature for routine clinical use during hypothermic conditions, as well as during fever.