61-year-old woman with a long-standing history of alcohol abuse presented with a sudden onset of cough, pleuritic chest pain, dyspnea, fever, and rigors. Imaging of Diseases of the Chest. E.Brant MW, A.Helms MC. Klebsiella pneumoniae is a Gram-negative bacteria and a well-known cause of community-acquired pneumonia, which accounts for less than 5% of all cases of pneumonia. It is an important type of pneumonia because of its severity, high incidence of complications, and elevated mortality [1]. the Western countries, Klebsiella pneumoniae invasive syn-drome (KPIS) should be alerted when patients present atypi-cal vague symptoms including fever, chill, nausea, vomiting, and right upper quadrant tenderness. [12,17] Aspiration pneumonia should always be suspected if the infiltrates are present bilaterally in the dependent or posterior portions of the lungs. In comparison, cavitation is rare in pneumococcal pneumonia. It has a high mortality rate of approximately 50% even with antimicrobial therapy. K. pneumoniaewas first discovered by Friedlander in 1882 and considered to be responsible for a severe form of lobar pneumonia. The organism Klebsiella pneumoniae was first described by German microbiologist Carl Friedländer (1847-1887) in 1882, in a series of patients with Klebsiella pneumonia 7,8. There can be variable features on chest HRCT which can also depend on current other organisms. Klebsiella pneumoniae, a gram-negative organism, is an emerging common cause of PLA, particularly in patients with poorly controlled diabetes mellitus and without any pre-existing liver disease. 7. (2009) ISBN:0723434964. Klebsiella pneumoniae is a Gram-negative bacillus with worldwide distribution that usually causes respiratory and urinary tract infections, ... Four weeks after admission, following discussion with Radiology, a thoracic CT scan was performed for subsequent biopsy of one of the pulmonary lesions. Invasive community-acquired infections, including pyogenic liver abscesses, caused by hypervirulent Klebsiella pneumoniae (hvKp) strains have been well recognized worldwide. The presence of gram-negative rods in Gram-stained smears suggests Klebsiella; they maybe capsulated and non-sporing. Sputum analysis grew Klebsiella pneumoniae. Path. Massive necrosis (pulmonary gangrene) is a recognized complication. Antibiotics sensitivity test was carried out toward 10 antibiotics using discs diffusion method. After that, a 6-week course of amoxicillin-clavulanate (1 g every 12 h) was substituted. {"url":"/signup-modal-props.json?lang=us\u0026email="}. 4. These bacteria are harmless when they’re in … The Post-operative Abdomen - Surgicel … 53 (4): 481-6. They are commonly found in the environment and in … Risk factors for Klebsiella pneumonia include alcoholism, diabetes mellitus, and COPD. 1995;19 (2): 176-81. (2009) ISBN:0723434964. A helpful feature which may help to distinguish from pneumococcal pneumonia is that Klebsiella pneumonia develops cavitation in 30-50% of cases (in comparison, cavitation is rare in pneumococcal pneumonia). Also, lobar expansion is not specific for Klebsiella infection. Microbiol. … These infections are particularly a problem among neonates, elderly and immunocompromised individuals. Results: The mean age was 58.7 years and the male to female ratio was 10:14. Klebsiella [kleb−see−ell−uh] is a type of Gram-negative bacteria that can cause different types of healthcare-associated infections, including pneumonia, bloodstream infections, wound or surgical site infections, and meningitis. Rev. Acute Klebsiella pneumoniae pneumonia alone and with concurrent infection: comparison of clinical and thin-section CT findings. It is one of the causes that could be suspected when there is cavitatory pneumonia +/- a bulging fissure sign. Imaging of Diseases of the Chest. Authors S ... diagnostic radiology studies, therapeutic modalities and risk factors associated with mortality were studied. Klebsiella pneumoniae- Pathogenicity and Clinical Manifestations. Klebsiella is also responsible for a significant number of community-acquired infections. Klebsiella pneumoniae is a gram negative organism that usually affects people with alcoholism or chronic debilitating diseases (similar to other gram -ve pneumonias). Klebsiella pneumoniae(K. pneumoniae) is a Gram-negative, non-motile, capsulated, gas-producing enteric bacillus widely found in nature, and it belongs to the normal flora of the human oral cavity and intestine. 01 Jul 2011 Radiology. K. pneumoniae is also a well-known cause of community-acquired pneumonia. A report of 11 cases and appraisal of antibiotic therapy. 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