Antibiotic Therapy

An unusual case of sepsis: liver abscess masquerading as pneumonia

Case Reports, Volume 16, Issue 2, Pages 49 – 100 (2017)

A 63-year-old woman presented with fever, tachycardia and tachypnoea, with right sided chest and hypochondrial pain. Chest radiograph showed right basal consolidation and she was treated for community acquired pneumonia with intravenous antibiotics. Subsequent clinical deterioration in presence of a previous history of complicated diverticulitis, persistent right hypochondrial pain and deranged liver function tests prompted further investigations that confirmed presence of a large pyogenic liver abscess. Following appropriate antibiotic treatment and image guided drainage of the abscess, the patient made a complete recovery. This case illustrates the importance of considering a subdiaphragmatic source of sepsis even in the presence of chest radiographic abnormalities, when a patient fails to respond to initial treatment for pneumonia.

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Principles and Practice of Antibiotic Therapy for Cellulitis

Original Articles, Volume 1, Issue 2, Pages 33 - 76 (2002)

Abstract

Cellulitis is a common medical emergency. Investigations often fail to establish the specific microbial aetiology and there are few data to support common choices of antibiotic therapy used to treat cellulitis. Potentially unusual pathogens can be predicted from the epidemiological circumstances at presentation, while empirical treatment choices must be based on an understanding of the underlying pharmacokinetic and pharmacodynamic principles that govern antibiotic-microbe interactions. Animal models have established conditions that predict treatment success, taking into account confounding factors such as bacterial inoculum size. Synergistic combinations of antibiotics can improve outcome in difficult cases.

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