Addition of Dexmedetomidine to the Anesthesia Regimen Attenuates Pain and Improves Early Recovery After Esophageal Endoscopic Submucosal Dissection: A Randomized Controlled Trial.

Objective: Postoperative pain is a common yet often underestimated complication following esophageal endoscopic submucosal dissection (ESD), with limited strategies for effective management. This prospective, double-blind, randomized controlled trial assessed the effects of adding dexmedetomidine (DEX) to the anesthesia regimen on postoperative pain and early recovery in patients undergoing esophageal ESD.

Methods: In total, 60 patients scheduled for elective esophageal ESD under general anesthesia were randomly assigned to the DEX or control group.

Comparison of the effects of esketamine, sufentanil, or lidocaine combined with propofol on tussis reflection during upper gastrointestinal endoscopy: study protocol for a randomised, two centre, three-blind, controlled trial.

Background: Tussis, which increases the incidence of airway spasm, aspiration, nausea, and vomiting, is a common complication faced during upper gastrointestinal (GI) endoscopy. However, sedatives and analgesics exhibit inhibitory actions against airway reflexes to different degrees. Our assumption is a combination of propofol and small doses of sufentanil, esketamine, or lidocaine, especially the combination of propofol and esketamine, might reduce tussis incidence.

[Differential Responses of Rhizospheric and -type Denitrifier Communities to Different Phosphorus Levels in Paddy Soil].

Phosphorus is an essential life element, which can affect the activities and functions of denitrifiers. Both and genes can code nitrite reductase; however, it remains unclear whether - and -containing denitrifers respond differentially to changes in the availability of phosphorus in paddy soil. In this study, P-deficient paddy soil was used to grow rice plants.