[Association between mandatory lockdown due to COVID-19 and severe arterial hypertension].

On March 20, preventive and mandatory social isolation due to COVID-19 was implemented in Argentina. Since then, the importance of caring for cardiovascular diseases has been emphasized. The objective of this retrospective cohort study was to analyze the association between social isolation and severe arterial hypertension (systolic = 160 mmHg and / or diastolic = 100 mmHg) in the Emergency Service of the Hospital Universitario Fundación Favaloro.

[Collateral damage of COVID-19 pandemic in private healthcare centres of Argentina].

To contain the coronavirus pandemic (COVID-19), a strict nationwide lockdown has been enforced and the health systems have been reorganized to deal with this entity. During this period, changes in the care of non-infectious diseases have been observed. Our aim was to describe the impact of the COVID-19 pandemic in the care of non-communicable diseases.

Uso de recursos y costos de hospitalizaciones por insufi ciencia card í aca: un estudio retrospective multic é ntrico en Argentina.

Objectives: Heart failure has a great impact on health budget, mainly due to the cost of hospitalizations. Our aim was to describe health resource use and costs of heart failure admissions in three important institutions in Argentina.

Methods: Multi-center retrospective cohort study, with descriptive and analytical analysis by subgroups of ejection fraction, blood pressure and renal function at admission.

Radiological identification of Zweymüller-type femoral stem prosthesis in revision cases.

Introduction: Since 1979 the number of patients treated with femoral stems has continued to grow, as well as the number of stems with features similar to the Zweymüller prosthesis produced by different companies. Identification can be problematic in case requiring revision. In the present paper, we present an overview of morphometric differences between the different stem designs, which can be useful for radiologic identification in revision cases.

Proposal of a therapeutic protocol for selected patients with patellofemoral knee osteoarthritis: arthroscopic lateral retinacular release followed by viscosupplementation.

Background: Lateral retinacular release has been demonstrated to reduce articular patellofemoral pressures, while intra-articular injection of hyaluronic acid can improve the biological and rheological knee pathway. We evaluated whether treatment protocol consisting on combination of these two therapies can provide significant symptomatic improvement in patients with patellofemoral osteoarthritis (PFO) and patellar tilt.

Materials And Methods: We retrospectively analyzed the clinical and radiological data of 28 knees (25 patients with anterior knee pain) who underwent arthroscopic lateral retinacular release followed by viscosupplementation for isolated patellofemoral osteoarthritis without clinical or radiological signs of patellar instability.