[Susceptibility Of ABOS Blood Groups To COVID-19 At The National Institute Of Public Health (INSP) Of Mali In 2020].

Introduction: Several authors have suggested an association between the ABO system (ABOS) and the risk of SARS CoV-2 infection. The objective of the present study was to identify the susceptibility of ABOS blood groups to COVID-19 at the National Institute of Public Health (INSP) of Mali.

Material And Methods: This was an unpaired case-control study.

Prospective comparison of the pneumatic cuff and manual compression methods in diagnosing lower extremity venous reflux.

Aim: To compare pneumatic cuff with manual compression in diagnosing reflux in patients with chronic venous insufficiency (CVI).

Patients And Methods: Eighteen patients (Clinical Etiologic Anatomic Pathophysiologic [CEAP 2-5], median Venous Clinical Severity Score [VCSS 6.5]) were studied.