Active clinical trials for "Pneumoperitoneum"

The goal of this clinical research study is to compare the level of pain 2 hours after surgery in patients after the use of the AirSeal® Insufflation System (AIS) at a high or low pressure setting or the standard insufflator (the conventional insufflation system, or CIS). "Insufflation" is the creation of a pressure barrier of air/gas within the abdomen that allows the surgeon more space to work in.

During laparoscopic surgery, the abdomen is inflated with carbon dioxide for abdominal imaging and increased intraabdominal pressure affects intraabdominal structures and abdominal wall.

Reverse Trendelenburg position has been shown to slightly reduce the intracranial pressure associated with pneumoperitoneum. However, there are no studies on the effect of the timing of reverse Trendelenburg position on intracranial pressure. This study will monitor the effect of reverse Trendelenburg position before or after pneumoperitoneum on intracranial pressure and regional cerebral oxygen saturation.

The study intends to investigate the use of a novel gaz-composition used during laparoscopy upon pain and inflammation in the post-operative period.

Intra-abdominal pressure (IAP) needed to create sufficient workspace during laparoscopic surgery affects the surrounding organs with ischemia-reperfusion injury and a systemic immune response. This effect is related to postoperative recovery, pain scores, opioid consumption, bowel function recovery, morbidity and possibly mortality. In clinical practice standard pressures of 12-16mmHg are applied instead of the lowest possible IAP, but accumulating evidence shows lower pressure pneumoperitoneum (PNP) (6-8mmHg) to be non-compromising for sufficient workspace, when combined with deep neuromuscular blockade (NMB) in a vast majority of patients. Therefore, low impact laparoscopy, meaning low pressure PNP facilitated by deep NMB, could be a valuable addition to Enhanced Recovery After Surgery (ERAS) Protocols. The use of low pressure PNP may also reduce hypoxic injury and the release of DAMPs and thereby contributing to a better preservation of innate immune function which may help to reduce the risk of infectious complications. The participants will be randomly assigned to one of the experimental groups with low impact laparoscopy or one of the control groups with standard laparoscopy.

The purposes of this study is to investigate the effects of moderate vs. deep neuromuscular block on respiratory mechanics and biotrauma in patients with intraoperative protective lung ventilation for laparoscopy.

Background. Many studies have demonstrated reduced postoperative pain in patients undergoing lower pneumoperitoneum pressure level during laparoscopic cholecystectomy. However, most of them has shown a high risk of bias and low or very low quality of evidence. Considering the need to evaluate, not only the postoperative pain, but the effect of anesthesia and surgery on patient recovery and satisfaction, we have designed a prospective, randomised and double-blinded study to evaluate the quality of recovery, using the Quality of Recovery Questionnaire (QoR-40), in patients undergoing LC under low-pressure or standard pressure pneumoperitoneum. Methods. Eighty patients aged 18 to 65 years of age will be randomised into 2 groups: LP (low-pressure - 10mmHg) or S (standard - 14 mmHg) enrolled in the study. Anesthesia will be induced with remifentanil, propofol and rocuronium and the maintenance will be achieved with sevoflurane and remifentanil Anesthesiologists and surgeons will not have access to insufflation pressure display. The primary outcome will be assessed using the Quality of Recovery Questionnaire (QoR-40) which is a 40-item quality of recovery scoring system. In addition, the intraoperative rocuronium consumption, time to eye opening (time from the discontinuation of anesthetics to eye opening), post-operative nausea and vomiting, pain score, analgesic use, and length of PACU stay (time to Aldrete score ≥ 9) will be recorded.

The primary purpose of this study is to investigate the effect of pneumoperitoneum on the continuous and non-invasive hemoglobin monitoring during laparoscopic gastrectomy

This study has been added as a sub study to the Simulation Training for Emergency Department Imaging 2 study (ClinicalTrials.gov ID NCT05427838). The Lunit INSIGHT CXR is a validation study that aims to assess the utility of an Artificial Intelligence-based (AI) chest X-ray (CXR) interpretation tool in assisting the diagnostic accuracy, speed, and confidence of a varied group of healthcare professionals. The study will be conducted using 500 retrospectively collected inpatient and emergency department CXRs from two United Kingdom (UK) hospital trusts. Two fellowship trained thoracic radiologists will independently review all studies to establish the ground truth reference standard. The Lunit INSIGHT CXR tool will be used to analyze each CXR, and its performance will be measured against the expert readers. The study will evaluate the utility of the algorithm in improving reader accuracy and confidence as measured by sensitivity, specificity, positive predictive value, and negative predictive value. The study will measure the performance of the algorithm against ten abnormal findings, including pulmonary nodules/mass, consolidation, pneumothorax, atelectasis, calcification, cardiomegaly, fibrosis, mediastinal widening, pleural effusion, and pneumoperitoneum. The study will involve readers from various clinical professional groups with and without the assistance of Lunit INSIGHT CXR. The study will provide evidence on the impact of AI algorithms in assisting healthcare professionals such as emergency medicine and general medicine physicians who regularly review images in their daily practice.

With the limited evidence that lower pneumoperitoneum pressures improve postoperative pain in laparoscopic or robotic hysterectomy for benign indications, we would like to determine if we can both further validate this idea but also show that it has minimal effect on physician satisfaction performing the surgery.