The value of local validation of a predictive model. A nomogram for predicting failure of non-invasive ventilation in patients with SARS-COV-2 pneumonia.

Objective: We aimed to determine predictors of non-invasive ventilation (NIV) failure and validate a nomogram to identify patients at risk of NIV failure.

Design: Observational, analytical study of a retrospective cohort from a single center, compared with an external cohort (March 2020 to August 2021).

Setting: Two intensive care units (ICUs).

Pre- and in-hospital anticoagulation therapy in coronavirus disease 2019 patients: a propensity-matched analysis of in-hospital outcomes.

Aims: To estimate if chronic anticoagulant (CAC) treatment is associated with morbidity and mortality outcomes of patients hospitalized for SARS-CoV-2 infection.

Methods: In this European multicentric cohort study, we included 1186 patients of whom 144 were on CAC (12.1%) with positive coronavirus disease 2019 testing between 1 February and 30 July 2020.

The Direct Effect of Magnetic Tape on Pain and Lower-Extremity Blood Flow in Subjects with Low-Back Pain: A Randomized Clinical Trial.

Low-back pain has a high impact on the world population, and solutions are in demand. The behavior of specific physiological processes has been modified using magnetic fields, whether for pain relief, bone consolidation, or improvement of vascularization. The use of tape with magnetic properties could help in these cases.

[Gastric tricobezoar: a rare cause of tumoral syndrome and pyloric obstruction].

Unlabelled: A Trichobezoar is a rare tumoral mass of the gastrointestinal tract, formed mainly from the ingestion of hair. It contains also mucus and foods debris.

Case Presentation: A 22 years old female with a 10 years history of surgery secondary to gastric foreign body (trichobezoar), presents with abdominal pain, swelling, nausea and vomiting.

Risk factors associated with the development of hyperamylasemia and post-ERCP pancreatitis in the Cuban National Institute.

Context: Acute pancreatitis is the most common complication in ERCP, and some risk factors were associated with the development of hyperamylasemia and post-ERCP pancreatitis.

Objectives: identifying new factors associated with the development of hyperamylasemia or post-ERCP pancreatitis in patients attended at our center.

Material And Methods: A (retrospective) cohort study was carried out in 170 patients on which a diagnostic-therapeutic ERCP was done due to biliopancreatic disease.

[Bouveret Syndrome. First case diagnosed in Santa Maria del Socorro, Ica, Peru].

We are presenting an case of a patient with upper gastrointestinal bleeding presented as hematemesis preceded by profuse vomiting secondary to a duodenal obstruction, caused by an impacted giant biliary stone in the duodenal bulb (Bouveret syndrome). The diagnosis was made during an upper gastrointestinal endoscopy and confirmed by surgery. We report and discuss this case as it is the first presentation in our institution.

Chromoendoscopy with red phenol in the diagnosis of Helicobacter pylori infection.

An analytic study to validate a diagnostic test was carried out at the Institute of Gastroenterology in Havana, Cuba in adult patients of both sexes in whom chromoendoscopy was carried out with red phenol at 0.1% over the gastric mucosa for the detection of Helicobacter pylori infection between November 2008 and December 2010. The staining with red phenol at 0.

The value of a pancreatogram in chronic pancreatitis diagnosed by endoscopic retrograde cholangiopancreatography.

Context: The presence, course and shape of the accessory pancreatic duct have not been previously studied in patients with chronic pancreatitis.

Objectives: The accessory pancreatic duct exhibits several appearances on pancreatography. It was examined using dye-injection endoscopic retrograde cholangiopancreatography, and the duct course and shape were studied in patients having chronic pancreatitis and were compared to patients with normal pancreatogram.