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This paper aim is to outline the importance of nosocomial infections, characterized by great incidence, great mortality rate and specific bacteriology, in a surgery clinic. The study include 566 patients that developed 665 nosocomial infections (10.65% incidence), among the 5950 patients that underwent surgical operations in 5 years (1992-1996); 54 patients developed two or three nosocomial infections, which explain the incidence of nosocomial infection greater than number of patients. From bacteriological point of view predominance of Gram negative bacilli (especially E. coli) and pathogen staphylococcus characterized the nosocomial infections. The infection source was the patient himself, previously colonized with hospital specific microorganisms. Every clinical form of nosocomial infections was characterized by the present of specific pathogen microorganisms; the knowledge of these pathogen agents is very important for the antibiotic treatment applied before the bacteriological exam.

Nosocomial urinary tract infection is the most common type of sepsis in the post-surgical patient. This paper presents our experience with 218 nosocomial urinary infections (34.93% of our postoperative infections) which complicated the postoperative course of 1002 (21.75%) urethral catheterized patients out of a total of 5950 (3.6%) operated on and under study individuals. Thus we found that urethral catheterization is the most important risk factor for post-surgery urinary infections. Moreover, in our series the postoperative urinary tract sepsis bacteriology is dominated (> 95% of cases) by aerobic gram-negative bacilli that mainly reside in the bowel and also commonly colonize the perineum. Furthermore, we demonstrated that post-surgical urinary infections did not influence directly death rate but they had a significant bearing on care costs. Finally we consider the prevention of postoperative nosocomial urinary tract sepsis as an essential principle of this condition management.

The authors present Craiova CFR General Surgery Clinic experience on hospital infections from 1991 through 1996. This study shows that the frequency of hospital infections in our clinic is greater than all the other postoperative complications. Over the investigated period of time we witnessed an increase in the incidence of the postoperative septic complications in addition to those directly linked to the operated interventions (e.g. wound infections, postoperative peritonitis) such as: pulmonary infections: urinary tract infections, catheter sepsis etc. Finally, the authors pointed to the consequences of the hospital infections such as: mortality and late morbidity rates, economic implications. Thus, it is worth mentioning that 30 deaths (75%) out of our clinic total of 40 over the studied period of time were due to a postoperative infections and treatments.