High level resistance to aminoglycosides in enterococci from Riyadh.

Enterococci with high level of aminoglycosides resistance are being reported from different parts of the world with increasing frequency. Treatment of infections caused by such isolates is associated with a high incidence of failure or relapse. This is attributed to the loss of the synergetic effect of aminoglycosides and cell wall active agents against isolates exhibiting this type of resistance.

Urinary tract infection due to Rahnella aquatilis in a renal transplant patient.

Rahnella aquatilis is an unusual gram-negative rod belonging to the family Enterobacteriaceae. It inhabits fresh water and is rarely isolated from clinical specimens. We report the case of a urinary tract infection caused by this organism in a renal transplant patient.

Etiology of bacterial diarrhea in a major referral center in Saudi Arabia.

A total of 34, 856 stool specimens from 19, 437 patients with symptoms of gastroenteritis were analyzed for bacterial enteropathogens during the period of January 1, 1985, to December 31, 1989, at a major tertiary care referral hospital in Saudi Arabia. Bacterial pathogens were isolate from 1426 (7.3%) patients, with Salmonella being the most frequent (3.