Tooth numbering with polygonal segmentation on periapical radiographs: an artificial intelligence study.

Objectives: Accurately identification and tooth numbering on radiographs is essential for any clinicians. The aim of the present study was to validate the hypothesis that Yolov5, a type of artificial intelligence model, can be trained to detect and number teeth in periapical radiographs.

Materials And Methods: Six thousand four hundred forty six anonymized periapical radiographs without motion-related artifacts were randomly selected from the database.

Peri-operative blood transfusion in elective major surgery: incidence, indications and outcome - an observational multicentre study.

Background: Patients' demographic and epidemiological characteristics, local variations in clinicians' knowledge and experience and types of surgery can influence peri-operative transfusion practices. Sharing data on transfusion practices and recipients may improve patients' care and implementation of Patient Blood Management (PBM).

Materials And Methods: This was a multicentre, prospective, observational, cross-sectional study that included 61 centres.

Effects of positive end-expiratory pressure on ventilatory and oxygenation parameters during pressure-controlled one-lung ventilation.

Objectives: The purpose of this study was to investigate the effects of PEEP on oxygenation and airway pressures during PCV-OLV.

Design: Randomized, crossover, clinical study.

Setting: University hospital.

Effect of magnesium sulfate administration on blood-brain barrier in a rat model of intraperitoneal sepsis: a randomized controlled experimental study.

Introduction: Permeability changes in the blood-brain barrier (BBB) and their possible contribution to brain edema formation have a crucial role in the pathophysiology of septic encephalopathy. Magnesium sulfate has been shown to have a protective effect on BBB integrity in multiple experimental models. In this study we determine whether magnesium sulfate administration could have any protective effects on BBB derangement in a rat model of sepsis.