Batna Journal of Medical Sciences
Volume 11, Numéro 1, Pages 52-59
2026-03-02

Bactériologie Et épidémiologie Des Péritonites Communautaires Et Nosocomiales à L’hôpital Mustapha D’alger, Algérie



Auteurs : Lallaoui Nassila Farah . Madoui Maissem . Madane Hayet . Amhis Wahiba . Gourari Samir .

Résumé

Introduction-objectives: Peritonitis is a critical intra-abdominal infection that necessitates treatment based on epidemiological, clinical, and microbiological data. This study aimed to identify the bacteria involved, examine their antibiotic resistance, outline the epidemiological profile, and track the progression of peritonitis. Materials and methods: This prospective study (January 1, 2021, to July 31, 2021) included patients with community-acquired (CP) and nosocomial peritonitis (NP) treated at Mustapha Hospital. Microbiological analysis (intra-abdominal samples) was performed in a microbiology laboratory. An information sheet was completed to document each case of peritonitis. Results: We collected 95 cases of peritonitis (63% CP and 37% NP). A male predominance was reported (sex ratio = 2.3), and the population was older in the NP group (44.9 ± 24 years) than in the CP group (25.3 ± 24.3 years) (p < 0.001). The microbiological study reported 138 bacteria, mainly Escherichia coli (35%) and Enterococcus sp. (13%). The resistance of Enterobacteriaceae to cefotaxime was significantly higher for NP isolates than for CP isolates (51.7% vs. 2%, p < 0.001), and the resistance to carbapenems was 5.10%. Five methicillin-resistant Staphylococcus aureus strains and one vancomycin-resistant Enterococcus sp. strain were reported among the NP isolates. The mortality rate in the CP group was 5% versus 17.1% for NP (p = 0.07). Conclusion: This study underscores the primary epidemiological and evolutionary traits of the peritonitis. Microbiology is essential for identifying causative bacteria and evaluating their antibiotic resistance.

Mots clés

peritonitis ; bacteria ; antibiotic resistance ; epidemiology

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