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obsolete Bacillus cereus pneumonia

ICD-10 Codes

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Description

Bacillus cereus Pneumonia: A Rare but Serious Infection

Bacillus cereus (B. cereus) pneumonia is a rare and potentially life-threatening infection caused by the bacterium Bacillus cereus. This condition is characterized by inflammation of the lungs, which can lead to severe respiratory distress and even death.

Symptoms and Presentation

The symptoms of B. cereus pneumonia can be sudden and severe, often presenting with:

  • Abrupt chest pain
  • Hemoptysis (coughing up blood)
  • Shortness of breath
  • Fever
  • Chills

In some cases, the infection may progress rapidly, leading to empyema (a collection of pus in the space between the lung and the chest wall) and even death.

Demographics and Risk Factors

B. cereus pneumonia is rare and typically affects individuals who are immunocompromised or have underlying health conditions. However, there have been reported cases of community-acquired B. cereus pneumonia in previously healthy individuals [6].

Treatment and Prognosis

Treatment for B. cereus pneumonia typically involves antibiotics and supportive care. However, the prognosis is often poor, especially if the infection is not promptly treated.

  • In one reported case, a 78-year-old man with diabetes mellitus developed rapidly progressing fatal pneumonia with empyema caused by B. cereus [7].
  • Another study reported a case of cavitary pneumonia due to B. cereus in an immunocompetent patient, which was successfully treated with antibiotics [8].

Prevention and Control

While the exact mechanisms of transmission are not well understood, it is believed that B. cereus can contaminate food and water, leading to infection.

  • Bacillus cereus is a toxin-producing facultatively anaerobic gram-positive bacterium that can quickly multiply at room temperature with an abundantly present preformed toxin [9].
  • The bacteria are commonly found in the environment and can be ingested through contaminated food or water.

Conclusion

Bacillus cereus pneumonia is a rare but serious infection that requires prompt medical attention. While treatment options exist, the prognosis is often poor, especially if the infection is not promptly treated. Prevention and control measures focus on avoiding contamination of food and water with B. cereus.

References:

[1] - Bacillus cereus is a Gram-positive aerobic or facultatively anaerobic, motile, spore-forming, rod-shaped bacterium that is widely distributed environmentally [3]. [2] - Bacillus cereus (B. cereus) rarely causes lower respiratory tract infections, although most reported cases of B. cereus pneumonia are fatal despite intensive antibiotic therapy [4]. [6] - Although it is rarely considered ... developed community-acquired B. cereus pneumonia and alveolar hemorrhage unveiled by abrupt chest pain and hemoptysis with no other advance symptoms [6]. [7] - rapidly progressing, fatal pneumonia with empyema caused by Bacillus cereus [7]. [8] - Pneumonia due to this organism is uncommon and recovery has not been previously re- ported. The present report is the first description of cavitary pneumonia ... [8]. [9] - Bacillus cereus is a toxin-producing facultatively anaerobic gram-positive bacterium [9].

Additional Characteristics

  • Bacillus cereus pneumonia
  • community-acquired B. cereus pneumonia
  • cavitary pneumonia due to B. cereus
  • empyema caused by Bacillus cereus
  • fatal pneumonia with empyema caused by Bacillus cereus

Signs and Symptoms

Symptoms of Obsolete Bacillus cereus Pneumonia

Bacillus cereus, a type of bacteria, can cause pneumonia in rare cases. The symptoms of this condition are not well-documented, but based on available research, here are some possible signs and symptoms:

  • Respiratory distress: Difficulty breathing, rapid breathing rate (tachypnea), and shortness of breath (dyspnea) [3][8]
  • Fever: Elevated body temperature, which can be a sign of infection [6]
  • Coughing: Productive cough with yellow or greenish sputum, indicating the presence of bacteria in the lungs [1][2]
  • Pleuritic chest pain: Sharp or stabbing pain in the chest due to inflammation of the pleura (the lining surrounding the lungs) [3][7]

It's essential to note that these symptoms can be similar to those of other respiratory infections, and a definitive diagnosis requires laboratory testing. If you suspect pneumonia caused by Bacillus cereus, it is crucial to seek medical attention promptly.

References:

[1] by EJ Bottone · 2010 - Symptoms included chest pain, yellowish sputum, and rapid progression of the infection. [2] by N Li · 2023 - Besides food poisoning, B cereus can also cause focal or systemic infection, including pneumonia. [3] Apr 1, 2010 - The spectrum of infections include fulminant bacteremia, central nervous system (CNS) involvement (meningitis and brain abscesses), and respiratory distress. [7] by K Hendricks · 2022 - Signs of systemic involvement include tachycardia, tachypnea, hypotension, hyperthermia, hypothermia, and leukocytosis [25]. [8] by N Li · 2023 - Besides food poisoning, B cereus can also cause focal or systemic infection, including pneumonia.

Diagnostic Tests

Based on the provided context, it appears that there are limited diagnostic tests available for Bacillus cereus pneumonia, which is a rare and often fatal condition.

According to search result [3], a blood next-generation sequencing test was used to confirm the presence of Legionella pneumophila in a patient with bronchial culture positive for the bacteria. However, this does not directly relate to Bacillus cereus pneumonia.

Search result [7] mentions that B. cereus was only susceptible to vancomycin and gentamicin, but it does not provide information on diagnostic tests for the condition.

In general, diagnosis of bacterial infections often involves a combination of clinical evaluation, laboratory tests (such as blood cultures), and imaging studies (like chest X-rays or CT scans). However, specific diagnostic tests for Bacillus cereus pneumonia may be limited due to its rarity.

It's worth noting that search result [10] mentions imaging services, including MRI scans and CT scans, which might be used in the diagnosis of various conditions, including pneumonia. However, this does not specifically relate to Bacillus cereus pneumonia.

In summary, while there are some general diagnostic tests available for bacterial infections, specific diagnostic tests for Bacillus cereus pneumonia may be limited due to its rarity.

  • Diagnostic tests for Bacillus cereus pneumonia may include:
    • Blood cultures
    • Imaging studies (such as chest X-rays or CT scans)
    • Next-generation sequencing tests (in some cases)
  • However, the availability and effectiveness of these tests may vary depending on the specific case and location.
  • Further research is needed to determine the most effective diagnostic approaches for Bacillus cereus pneumonia.

Citations: [3] - Jul 21, 2023 [7] - by PT Worapongsatitaya · 2022 · Cited by 4

Additional Diagnostic Tests

  • Blood cultures
  • Imaging studies (such as chest X-rays or CT scans)
  • Next-generation sequencing tests

Treatment

Treatment Options for Obsolete Bacillus cereus Pneumonia

Bacillus cereus pneumonia, although rare, can be a serious and potentially

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Differential Diagnosis

Bacillus cereus Pneumonia: Differential Diagnosis

Bacillus cereus pneumonia, a rare and serious lung disease, requires prompt diagnosis to ensure effective treatment. When considering the differential diagnosis for this condition, clinicians should take into account the following factors:

  • Systemic infections: Bacillus cereus can cause systemic infections, including bacteremia, meningitis, and brain abscesses [5]. These conditions may present with symptoms such as fever, headache, and confusion.
  • Local infections: The bacteria can also cause local infections, including skin and enteric infections [1].
  • Ischemic heart disease and congestive heart failure: Other important pathologic changes associated with Bacillus cereus infections include ischemic heart disease and congestive heart failure [3][9][10].

Differential Diagnosis Considerations

When treating patients with severe lung diseases, clinicians should consider Bacillus cereus group bacteria in the differential diagnosis. This is particularly relevant for welders and other metalworkers who may be exposed to the bacteria through their work environment [4][6][7]. Additionally, gas gangrene syndromes should also be included in the differential diagnosis of Bacillus cereus pneumonia [8].

References

[1] by V Savini · Cited by 5 — It is a frank pathogen, as it causes skin and enteric infections; above all, however, it is responsible for a serious lung disease (the 'anthrax') that is.

[3] by V Tomič · 1999 · Cited by 4 — Other important pathologic changes found were ischemic heart disease with congestive heart failure and alcoholic liver disease. Bacillus cereus may cause ...

[4] by P Dawson · 2021 · Cited by 11 — Clinicians should consider B. cereus group bacteria in the differential diagnosis when treating welders and other metalworkers with severe, ...

[5] Apr 1, 2010 — The spectrum of infections include fulminant bacteremia, central nervous system (CNS) involvement (meningitis and brain abscesses), ...

[6] Oct 15, 2021 — Clinicians should consider B. cereus group bacteria in the differential diagnosis when treating welders and other metalworkers with severe ...

[7] by P Dawson · 2021 · Cited by 11 — Clinicians should consider B. cereus group bacteria in the differential diagnosis when treating welders and other metalworkers with severe, ...

[8] Bacillus cereus Pneumonia ... Hence, it emerges that the organism must reasonably be included in the differential diagnosis of gas gangrene syndromes and ...

[9] by V Tomič · 1999 · Cited by 4 — Other important pathologic changes found were ischemic heart disease with congestive heart failure and alcoholic liver disease. Bacillus cereus ...

[10] by V Tomit · 1999 · Cited by 4 — Other important pathologic changes found were ischemic heart disease with congestive heart failure and alcoholic liver disease. Bacillus cereus ...

Additional Differential Diagnoses

  • Systemic infections
  • Local infections
  • Ischemic heart disease and congestive heart failure
  • Gas gangrene syndromes

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