View clinical trials related to Pulmonary Atelectasis.
Filter by:This study aims at comparing a perioperative pulmonary atelectasis score, measured by pulmonary ultrasound, in patients operated undergoing orthopedic surgery under general anesthesia, spinal anesthesia or peripheral nerve block. The association between the atelectasis score and previously identified risk factors will be studied.
Evaluation of atelectasis that may be caused by different flow rate anesthesia applications during the operation with lung ultrasound score.
Atelectasis occurs in patients of all ages who receive mechanical ventilation under general anesthesia, and although fatal cases are rare, it is known as a cause of postoperative hypoxia or fever. In pediatric patients, it has a particularly high incidence of 68-100%, and the incidence is inversely proportional to age. Pediatric patients,compared to adults, have a small capacity for functional residual capacity while a high metabolic demand, making them fundamentally vulnerable to hypoxia. Increased atelectasis during anesthesia causes hypoxia not only during anesthesia but also during recovery after anesthesia. Therefore, it is important to establish and apply a strategy to minimize the occurrence of atelectasis during mechanical ventilation under general anesthesia in pediatric patients. The aim of this study is to investigate whether pressure support ventilation at emergence period could reduce the incidence of postoperative atelectasis in infants undergoing surgery under general anesthesia.
The overall objective of this study is to describe the incidence of postoperative pulmonary complications in patients with a positive and negative AIR-test result. Second, the investigators wish to describe the incidence of a positive AIR-test and its association with the development of PPC. In addition, the investigators aim to describe whether mechanical ventilation strategy differs between patients with a positive and negative AIR-test.
The investigators hypothesized that an ultrasound-guided lung recruitment maneuvers would be more effective in preventing postoperative atelectasis than conventional alveolar recruitment after surgical correction of idiopathic adolescent scoliosis.
Video-assisted thoracic surgery (VATS) is usually performed with general anesthesia and single lung ventilation. However, performing thoracic surgery under awake regional anesthesia has several potential advantages including avoidance of airway trauma and ventilator dependence associated with endotracheal intubation, besides promoting enhanced recovery after surgery and shorter mean hospital stay.
Infants in the neonatal intensive care unit (NICU) may be lost due to risks such as being sensitive, frequent exposure to birth complications and being prone to infection. The most common causes of mortality in newborn babies in the world; Complications due to preterm delivery (28%), infections (26%) and perinatal asphyxia (23%) were reported. Respiratory problems are observed in 4-6% of newborns. These problems are also important causes of mortality in the neonatal period. Newborn infants are more likely to have respiratory distress due to difficulties in airway calibration, few collateral airways, flexible chest wall, poor airway stability, and low functional residual capacity.Invasive mechanical ventilation (IMV) is frequently used in the treatment of newborns with respiratory failure. Various ventilation modes and strategies are used to optimize mechanical ventilation and prevent ventilator-induced lung injury. Among the important issues to be considered in newborns connected to mechanical ventilator (MV); Choosing an appropriately sized endotracheal tube to reduce airway resistance and minimize respiratory workload, correct positioning, regular nursing care, chest physiotherapy, sedation-analgesia, and infection prevention are also included.
Perioperative respiratory complications are a major source of morbidity and mortality. Postoperative atelectasis plays a central role in their development. Protective "open lung" mechanical ventilation aims to minimize the occurrence of atelectasis during the perioperative period. Randomized controlled studies have been performed comparing various "open lung" ventilation protocols, but these studies report varying and conflicting effects. The interpretation of these studies is complicated by the absence of imagery supporting the pulmonary impact associated with the use of different ventilation strategies. Imaging studies suggest that the gain in pulmonary gas content in "open lung" ventilation regimens disappears within minutes after the extubation. Thus, the potential benefits of open-lung ventilation appear to be lost if, at the time of extubation, no measures are used to keep the lungs well aerated. Recent expert recommendations on good mechanical ventilation practices in the operating room conclude that there is actually no quality study on extubation. Extubation is a very common practice for anesthesiologists as part of their daily clinical practice. It is therefore imperative to generate evidence on good clinical practice during anesthetic emergence in order to potentially identify an effective extubation strategy to reduce postoperative pulmonary complications.
The investigators hypothesize that the level of PEEP is often suboptimally applied in certain operative conditions, such as in laparoscopy with head down (Trendelenburg) positioning. This can result in excessive levels of lung stress and postoperative pulmonary complications. In patients with steep Trendelenburg and a pneumoperitoneum, the investigators aim to 1. measure apical versus basal atelectasis using the lung ultrasound score 2. compare lung ultrasound scores at different PEEP levels 3. compare respiratory mechanics at the different PEEP levels 4. contrast the optimal PEEP level to standard practice 5. provide guidance to optimal PEEP titration in this setting for the clinician
The purpose of the study is to assess the optimal fraction of inspired oxygen (0.5 or 1) for extubation or removal of a supraglottic airway device after general anesthesia.