Do postoperative antibiotics prevent abscess formation in complicated appendicitis?

Recent studies have shown that postoperative antibiotics in nonperforated appendicitis do not reduce infectious complications; however, there is no consensus on patients with complicated appendicitis. The aim of this study is to determine whether postoperative antibiotic administration in complicated appendicitis prevents intra-abdominal abscess formation. We conducted a retrospective chart review of all patients undergoing appendectomy from 2007 to 2012 at our institution.

Genetic and molecular features of Su(P), a gene that interacts with ref(2)P in male fertility of Drosophila melanogaster.

The ref(2)P gene is involved in the control of sigma rhabdovirus multiplication in Drosophila melanogaster. ref(2)P activity is also necessary for male fertility. However, in one-third of laboratory strains tested, males that lacked ref(2)P activity were fertile.

Prosopagnosia. Report of four cases.

4 patients with prosopagnosia are described. They presented associated neuropsychological deficits (achromatopsia, topographical disorientation) and visual field defects. In 1 case, gross pathological examination revealed bilateral symmetrical infero-medial occipito-temporal infarcts.

[Experimental neuropathy due to acrilamide. Histological and ultrastructural studies (author's transl)].

The effects of acrylamide intoxication were studied both in peripheral (PNS) and central (CNS) nervous system of rats. The animals were sacrified at different time intervals from the beginning of the intoxication. Histological and ultrastructural studies of peripheral nerves and long tracts of the spinal cord revealed a severe axonopathy, characterized by swelling of axons, particularly in the paranodal regions due to accumulation of neurofilaments with almost complete disappearance of neurotubules.