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Clinical and microbiologic characteristics of pleuro-pulmonary infection due to Streptococcus intermedius

F Cobo1, A Sampedro, J Rodríguez-Granger

  • 1Fernando Cobo, Department of Microbiology, Hospital Virgen de las Nieves Avda Fuerzas Armadas, 2 18014 Granada, Spain. fernando.cobo.sspa@juntadeandalucia.es.

Revista Espanola De Quimioterapia : Publicacion Oficial De La Sociedad Espanola De Quimioterapia
|March 23, 2018
PubMed

Insights

Pleuro-pulmonary infections caused by Streptococcus intermedius are increasing. Early diagnosis and combined medical and surgical treatment, including drainage, are crucial for patient recovery.

Area of Science:

  • Infectious Diseases
  • Pulmonology
  • Microbiology

Background:

  • Pleuro-pulmonary infections (PPI) are serious conditions affecting the lungs and pleural space.
  • Streptococcus intermedius is an emerging pathogen causing various infections, including PPI.

Purpose of the Study:

  • To describe the clinical and microbiological characteristics of pleuro-pulmonary infections caused by Streptococcus intermedius.
  • To identify risk factors, diagnostic methods, and treatment outcomes for PPI due to S. intermedius.

Main Methods:

  • A retrospective case series combining literature review (6 cases) and cases from the center (9 cases).
  • Analysis of patient demographics, clinical presentation, risk factors, diagnostic procedures, and treatment regimens.
  • Evaluation of treatment outcomes, including cure rates and mortality.

Main Results:

  • Fifteen patients (12 male, mean age 62.06 years) were included.
  • Common risk factors included alcoholism, periodontal disease, COPD, and diabetes mellitus.
  • Cough, chest pain, and dyspnea were prevalent symptoms; diagnosis was mainly via pleural fluid aspirate.
  • Ceftriaxone + levofloxacin were common antibiotics; 10 patients were cured with combined therapy, while 2 died.

Conclusions:

  • The incidence of PPI caused by S. intermedius is rising.
  • Combined antibiotic therapy and surgical intervention (drainage) are recommended for effective treatment.
  • Prompt diagnosis and management are essential to improve outcomes and reduce mortality.

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