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Active clinical trials for "Intraoperative Awareness"

Results 31-40 of 41

Evaluation of Influencing Variables in Awakening Concentration and Concentration at Body Movements...

AwarenessAnesthesia

Age has been related to awakening propofol concentration at effector site of TCI, but not to the loss of consciousness concentration, neither to the concentration of body movements during surgery, that can be interpreted as a sign of light anesthesia and lead to awareness. This study aims to determinate the incidence and the propofol TCI concentration at the effector site, in patients undergoing general anaesthesia without NBDs, of any patients body movements, defined as any spontaneous movements (but no reflex movements) during surgery.

Completed6 enrollment criteria

Validity of Perfusion Index to Evaluate the Level of General Anaesthesia in Children.

AwarenessAnesthesia

The aim of this study is to evaluate the validity of perfusion index to determine the level of anesthesia in comparison with auditory evoked potential in children undergoing tonsillectomy.

Completed7 enrollment criteria

Intraoperative Anaesthesia Awareness Following Induction of Anaesthesia

Anaesthesia

A primary aim of anaesthesia is to prevent awareness of surgery; ablation of the experience of surgery is the most secure way to prevent awareness with recall. Fortunately the incidence of awareness with recall (the patient can spontaneously remember the intraoperative event) is very rare (0.1-0.2%). However the investigators systematic review suggests that consciousness of intraoperative events may occur in approximately 37% of patients in experimental studies (as identified by the validated clinical procedure the isolated forearm test that does not require postoperative recall of the event). In this international cohort study, recruiting a minimum sample of 200 patients, the investigators will investigate the incidence of anaesthesia awareness (as identified by the isolated forearm test) following the induction of anaesthesia and before surgery.

Completed3 enrollment criteria

Awake Craniotomy for Arteriovenous Malformation

AwarenessAnesthesia1 more

The study aimed to retrospectively review cases of brain arteriovenous malformation that were surgical resected with the patient awake during the procedure.

Completed3 enrollment criteria

Anesthesia Awareness in Pediatric Gastrointestinal Endoscopy Nurses

EndoscopyKnowledge5 more

Background and Aim: Pediatric gastrointestinal (GI) endoscopy is an increasingly common procedure performed to investigate and diagnose problems in the GI tract in children. Procedures in pediatric endoscopy units are routinely performed under sedation and general anesthesia, unlike adult endoscopy. Nurses working in pediatric gastroenoscopy units where sedoanalgesia is applied have important duties and responsibilities in terms of quality standards in preoperative, intraoperative and postoperative periods. Considering the increasing need for high-quality pediatric endoscopy applications, the attitudes and behaviors of nurses about sedation in pediatric patients are important as a member of the team. There is almost no literature on the experience and awareness of pediatric endoscopy nurses in clinical practice, and this encourages our team to conduct a survey across our country and to develop knowledge and clinical practices. With this questionnaire survey, it was aimed to evaluate the experience and attitudes of the endoscopy nurses working in the pediatric endoscopy unit in our country on sedation/general anesthesia management for pediatric patients

Completed2 enrollment criteria

Heart Rate Variability to Quantify General Anesthesia Depth

Anesthesia Awareness

The shortage of anesthetic agents can lead to intraoperative awareness while overdosing can trigger severe intra and postoperative problems. Therefore, monitoring anesthesia's depth (DoA: Depth of Anesthesia) is a crucial but still challenging task. Although some commercial monitors are based on electroencephalogram (EEG), designed to quantify DoA, their use in clinical practice has limitations. On the other hand, heart rate variability (HRV) has valuable information about physiological states, both from the heart and the organism. Classical indices derived from HRV have been shown to be able to differentiate the different stages of anesthesia. In this study, it is proposed to create a model to monitor DoA combining several HRV indices. Patients will be divided into three groups, according to the type of anesthesia to which they will be submitted (inhalation, total or balanced intravenous) and will have the electrocardiogram recorded during the entire surgical procedure. Various HRV indices will be calculated, and machine learning techniques will be used to combine and identify the most relevant index to compose a score that reliably represents DoA. Several commercial devices have been developed to monitor the level of consciousness during anesthesia. Among the most popular tools are included: Narcotrend TM (MonitorTechnik, Bad Bramstedt, Germany); the M-Entropy TM (GE Healthcare, Helsinki, Finland); Nindex SA (Controls, Montevideo, Uruguay) and the Bi-Spectral Index (BIS, TM Medtronic-Covidien, Dublin, Ireland). In this study, BIS or Nindex will also be monitored during the entire period that the patients remain anesthetized and will later be used to compose the DoA score based on HRV. As a result, a computer program will be created to monitor DoA in real-time.

Unknown status6 enrollment criteria

Adaptation of Perioperative Satisfaction Scale in Regional Anesthesia and Investigation of Its Psychometric...

ScalesRepression-Sensitization1 more

The aim of the study is to determine the psychometric properties of Perioperative Satisfaction Scale in Regional Anesthesia. In the Turkish version of the scale, a blind reverse translation method will use. And validity and reliability analyses will conduct.

Unknown status7 enrollment criteria

Direct REporting of Awareness in MaternitY Patients

AwarenessAnesthesia1 more

DREAMY is a prospective, multi-centre observational cohort study using a mixed methods approach to provide quantitative and qualitative data on accidental awareness under general anaesthesia (AAGA) in obstetric surgery patients. Obstetric patients undergoing surgery, such as emergency caesarian section under general anaesthesia, are thought to be at higher risk than any other surgical cohorts for AAGA. Patients recruited to the study will be screened for AAGA using a standardised questionnaire on three occasions over 30 days. Follow up with structured interviews for all AAGA patients will occur over 12 months.

Unknown status7 enrollment criteria

Standard Vs Supralabial Bispectral Index Scores

Intraoperative Awareness

With the rise in number of surgeries, the medicolegal issues are on rise especially if patient had intraoperative awareness, which can also be detrimental to psychosocial behaviour of patient. Investigators plan to compare the BIS values, 'which is an indicator of awareness', from supralabial to standard forehead placement sites. If the results are corroborative then the supralabial site can be used for BIS monitoring in neurosurgical cases where it is not possible to to apply the forehead BIS strips.

Unknown status7 enrollment criteria

Pediatric Validation of CONOX Monitor During Surgery

AnesthesiaAnesthesia Awareness4 more

Pediatric Validation of CONOX Monitoring device (qCON and qNOX indices) for anesthesia depth during surgery

Unknown status8 enrollment criteria
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