Lower-risk patients with community-acquired intra-abdominal infection do not require alteration of therapy if a satisfactory clinical response to source control and Adult baron community la therapy occurs, even if unsuspected and untreated pathogens are later Adult baron community la B-III. The study population with severe illness was randomized to receive either intravenous therapy with a switch to oral therapy after 2 days or a full day course of intravenous antibiotics. In such patients, resuscitation should be continued intraoperatively. La Jolla Care Center. Empiric coverage of Enterococcus is not necessary in patients with community-acquired intra-abdominal infection A-I. These risk factors include higher APACHE II scores, poor nutritional status, significant cardiovascular disease, and an inability to achieve adequate source control [ 89—94 ].