[Extremely elevated erythrosedimentation in an adult population in the City of Buenos Aires].

Background: An extremely elevated erythrosedimentation rate (ESR), defined as equal or higher than 100 mm/h, has been linked to serious underlying conditions, such as infections, connective tissue and oncologic disease.

Aim: To analyze a group of patients in order to determine the underlying diagnosis and the characteristics associated with extremely elevated ESR in our environment.

Methods: Cross-sectional study of adult patients, who presented with at least one ESR equal or higher than 100 mm/h at Hospital Italiano, in Buenos Aires (Buenos Aires, Argentina) between January 2002 and August 2014.

Institutional Registry of Elderly Patients With Hip Fracture in a Community-Based Tertiary Care Hospital in Argentina (RIAFC).

Background: A clinical registry encompasses a selective set of rigorously collected and stored clinical data focused on a specific condition. Hip fracture is a common complication of osteoporosis in elderly patients. Hip fracture substantially increases the risk of death and major morbidity in the elderly patients.

[Pneumocystis jiroveci infection in patients with and without HIV: A comparison].

Background: Respiratory infection caused by Pneumocystis jiroveci is a common opportunistic infection in patients with human immunodeficiency virus (HIV) with CD4 counts < 200 cells/mm(3). However, it has also been reported in patients with other causes of immunosuppression.

Objectives: To compare the characteristics, severity and mortality of respiratory infection by P.