Pathology results of endoscopic ultrasound-guided tissue acquisition in retroperitoneal masses: a multicenter study.

Background: Malignant etiologies are found in 70-80% of symptomatic retroperitoneal masses. Histology is required for diagnosis and treatment. Information about endoscopic ultrasound (EUS)-guided tissue acquisition (EUS-GTA) is scant for retroperitoneal masses.

Psychogenic nonepileptic seizures in Latin America: A survey describing current practices.

Objective: Psychogenic nonepileptic seizures (PNES) are one of the most common differential diagnoses of epilepsy. This study provides an overview of diagnostic and treatment services for patients with PNES across Latin America.

Methods: In 2017-2018, clinicians practicing in Latin America with responsibilities for patients with PNES were contacted to respond to a survey regarding the management of this disorder developed by the International League Against Epilepsy (ILAE) PNES Task Force.

Interinstitutional clinical practice guidelines for the treatment of acute myocardial infarction.

Introduction: Mexico has the highest 30-day mortality due to acute myocardial infarction (AMI), which constitutes one of the main causes of mortality in the country: 28 % versus 7.5 % on average for the Organization for Economic Co-operation and Development member countries.

Objective: To establish critical pathways and essential interinstitutional pharmacological strategies for the care of patients with AMI in Mexico, regardless of their socioeconomic status.

Vertebral augmentation treatment of painful osteoporotic compression fractures with the Kiva VCF Treatment System.

Background: Vertebral compression fractures (VCFs) can cause significant pain and functional impairment, and their cumulative effect can lead to progressive morbidity. This single-arm, prospective feasibility trial, conducted at 4 clinical sites, was undertaken to evaluate the clinical outcomes associated with the use of an innovative vertebral augmentation device, the Kiva VCF Treatment System (Benvenue Medical, Santa Clara, California), in the management of symptomatic VCFs associated with osteoporosis.

Methods: Vertebral augmentation treatment was performed for persistent back pain symptoms in 57 patients (mean age, 71.