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Case Reports
. 2022 Sep 16;79(3):280-284.
doi: 10.31053/1853.0605.v79.n3.36024.

[Intra-abdominal infections in adults caused by Streptococcus pneumoniae: report of 18 cases]

[Article in Spanish]
Ana Maria Gasparotto  1 , Ariel Gianecini  2 , Andres Kasparian  3 , Luis Kremer  4 , Marta Rocchi  5 , Carlos Quinteros Greco  6 , Ana Valeria Ocaña Carrizo  7 , Mercedes Navarro  8 , Aida Monterisi  9
Affiliations
Case Reports

[Intra-abdominal infections in adults caused by Streptococcus pneumoniae: report of 18 cases]

[Article in Spanish]
Ana Maria Gasparotto et al. Rev Fac Cien Med Univ Nac Cordoba. .

Abstract
in English, Spanish

Introduction: Streptococcus pneumoniae (Spn) is occasionally implicated as a cause of intra-abdominal infection (IIASpn) that can be 1) spontaneous bacterial peritonitis (SBP) in elderly patients with previous peritoneal disease, associated with cirrhosis, in most of the cases 2) associated or adjacent to an intra-abdominal organ or postsurgical. (IIAbq) 3) peritonitis in previously healthy young women (PHYW). Our objective is report 18 cases of IIASpn describing: clinical presentation, comorbidities, need for surgery, microbiological findings, sensitivity of Spn to antimicrobials, therapeutic behavior, and evolution.

Methods: study of 18 adult patients with IIASpn. Clinical and microbiological characteristics and evolution of infections were analyzed.

Results: IIASpn occurred in 9 PHYW, 6 men and 1 woman with SBP, and 2 men with appendicitis. The PHYW were operated on (4 pelviperitonitis, 3 salpingitis, 2 and tubo ovarian abscess) and had a favorable evolution. In the intraoperative samples, pure culture of Spn sensitive to penicillin was isolated. Three of four patients had positive blood culture. Five of seven patients with SBP died and in the peritoneal fluid developed Spn in pure culture. A large percentage of strains presented decreased sensitivity to penicillin. Four of five had a positive blood culture. Patients with appendicitis had favorable evolution.

Conclusions: IIASpn in PHYW was the most frequent presentation, surgery played a significant role in treatment and the clinical response was excellent. The second presentation occurred in elderly patients with cirrhosis, most of whom died. Appendicitis was the third presentation in patients who evolved favorably.

Introducción: Streptococcus pneumoniae (Spn) ocasionalmente causa infección intraabdominal (IIASpn) que puede ser: 1) peritonitis bacteriana espontánea (PBE) en paciente añosos con enfermedad peritoneal previa, asociada con cirrosis, en la mayoría de los casos; 2) asociada o adyacente a un órgano intraabdominal o postquirúrgica (IIAbq); 3) peritonitis en mujeres jóvenes previamente sanas (MJPS). Nuestro objetivo es reportar 18 casos de IIASpn describiendo: presentación clínica, comorbilidades, necesidad de cirugía, microbiología y sensibilidad a los antimicrobianos, conducta terapéutica y evolución.

Métodos: estudio de 18 pacientes adultos con IIASpn en un período de 23 años. Análisis de las características clínicas, microbiología y evolución de los pacientes.

Resultados: las IIASpn ocurrieron en 9 MJPS, 6 varones y una mujer con PBE, y 2 varones con apendicitis. Las MJPS fueron intervenidas quirúrgicamente (4 pelviperitonitis, 3 salpingitis y 2 abscesos tubo ovárico) y evolucionaron favorablemente. En las muestras intraoperatorias se aisló Spn cultivo puro sensible a penicilina. Tres de cuatro pacientes tuvieron hemocultivo positivo. Cinco de siete pacientes con PBE fallecieron y en las muestras de líquido peritoneal desarrolló Spn cultivo puro. Gran porcentaje de cepas presentó sensibilidad disminuida a penicilina. Cuatro de cinco, tuvieron hemocultivo positivo. Los pacientes con apendicitis evolucionaron favorablemente.

Conclusiones: La IIASpn en MJPS fue la presentación más frecuente, la cirugía jugó un rol significativo en el tratamiento y la respuesta clínica fue excelente. La segunda presentación ocurrió en pacientes añosos con cirrosis y en su mayoría, fallecieron. La apendicitis fue la tercera presentación en pacientes que evolucionaron favorablemente.

Keywords: Streptococcus pneumoniae; intra-abdominal infections; adults.

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Conflict of interest statement

Conflicto de interés:

Ninguno.

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