Subjective sleep alterations in healthy subjects worldwide during COVID-19 pandemic: A systematic review, meta-analysis and meta-regression.

Objective: We conducted a systematic review and meta-analysis to provide an update on sleep quality in different world areas and better characterize subjective sleep alterations during the COVID-19 pandemic. Considering gender distribution and specific pandemic-related parameters, we also intend to identify significant predictors of sleep problems.

Methods: Six electronic databases were searched from December 2019 to November 2021 for studies investigating sleep during COVID-19 employing the Pittsburgh Sleep Quality Index, the Medical Outcomes Study Sleep, the Insomnia Severity Index or the Epworth Sleepiness Scale.

An unexpected surprise at the end of a "quiet" cholecystectomy. A case report and review of the literature.

Background: Anatomic unexpected variations in biliary tree may be discovered during laparoscopic cholecystectomy.

Case Report: A 57-year-old man was admitted for abdominal pain, vomiting and mild jaundice. Abdominal ultrasonography revealed a gallbladder containing multiple stones and biliary sludge.

[Treatment with self-expanding metallic enteral stents in occlusion caused by neoplastic stenosis of the sigmoid and rectum].

From January 1999 to today 5 patients have been treated with self-expanding enteral stents for low intestinal occlusion in our General and Emergency Surgery Department. The patients' ages ranged from 75 to 90 years. Their general clinical condition was precarious and the emergency surgical treatment necessary was at very high risk.