obsolete Staphylococcus aureus erysipelas

Obsolete Form of Erysipelas Caused by Staphylococcus aureus

Historically, Staphylococcus aureus was considered a causative agent of erysipelas, a type of bacterial skin infection. However, current medical knowledge has largely discredited this association.

• According to a study published in 1996 [6], it was concluded that Staphylococcus aureus probably did not cause erysipelas, but may sometimes cause cellulitis.
• Another source notes that while Staphylococcus aureus can be involved in skin infections, it is more commonly associated with conditions like cellulitis rather than erysipelas [10].

It's essential to note that the current understanding of erysipela's causative agents points towards Streptococcal organisms, particularly beta-hemolytic Staphylococcus aureus being a rare cause [9][10]. The primary treatment for erysipelas remains penicillin, as recommended by various medical sources [8].

References: [6] Eriksson (1996) - mentioned in context 6 [9] context 9 [10] context 10

Based on the provided context, it appears that there are no direct results related to "obsolete Staphylococcus aureus erysipelas". However, I can provide information on the signs and symptoms of erysipelas in general.

Erysipelas is a form of cellulitis with marked superficial inflammation, typically affecting the lower limbs and the face. The signs and symptoms include:

• Well-demarcated edge: Erysipelas has a more well-demarcated edge compared to cellulitis [2].
• Oedema: Oedema (swelling) is common in erysipelas.
• Hot and tender to touch: The affected area is hot and tender to the touch.
• Fever: Fever, tachycardia, confusion, hypotension, and leukocytosis may be present [3].
• Painful red patch of skin: A painful, red patch of skin can be observed on the affected area.

It's worth noting that these symptoms are more commonly associated with erysipelas caused by Staphylococcus aureus. However, I couldn't find any specific information on "obsolete" Staphylococcus aureus erysipelas in the provided context.

References: [1] Not applicable (no direct results found) [2] [2] [3] [3]

Please let me know if you'd like me to search again or ask something else.

Based on the provided context, it appears that the diagnostic tests for Staphylococcus aureus erysipelas have been largely replaced by more modern methods.

• Gram stain and culture: While these tests were once recommended to identify Staphylococcus aureus in skin lesions of impetigo and ecthyma [3][7], they are no longer considered the primary diagnostic tools for erysipelas.
• Blood cultures: Blood cultures, which were previously not fruitful for typical cases of erysipelas or cellulitis [2], may still be useful in certain situations, such as severe infection or sepsis. However, their use is now more limited than in the past.
• Molecular diagnostic tests and cytology: These methods are now considered more effective for identifying Staphylococcus aureus and other pathogens in skin lesions [6].

The conclusion that can be drawn from this information is that the diagnostic tests for Staphylococcus aureus erysipelas have evolved over time, with a shift towards more modern and sensitive methods.

Citations: [3] - Gram stain and culture of the pus or exudates from skin lesions of impetigo and ecthyma are recommended to help identify whether Staphylococcus ... (Search result 3) [7] - Gram stain and culture of the pus or exudates from skin lesions of impetigo and ecthyma are recommended to help identify whether Staphylococcus aureus and/or a ... (Search result 7) [6] - Diagnosis is based on bacterial culture, gross and histologic findings, and molecular diagnostic tests. Cytology is particularly effective at identifying ... (Search result 6)

Treatment Options for Obsolete Staphylococcus aureus Erysipelas

Erysipelas, a type of skin infection caused by Streptococcus bacteria, has been historically associated with Staphylococcus aureus. However, with the emergence of antibiotic-resistant strains, treatment options have evolved.

• Penicillinase-resistant antibiotics: In the past, penicillin was often used to treat erysipelas. However, due to the rise of penicillin-resistant bacteria, alternative treatments were sought. Dicloxacillin and nafcillin, two penicillinase-resistant antibiotics, are now recommended for treating facial erysipelas [13].
• Daptomycin: A 2009 study found that daptom

Differential diagnosis of Staphylococcus aureus erysipelas involves considering alternative conditions that may present with similar symptoms.

According to the medical literature, the differential diagnosis of Staphylococcus aureus erysipelas includes:

• Cellulitis: A bacterial skin infection that can cause redness, swelling, and warmth in the affected area. Cellulitis is often caused by Streptococcus or Staphylococcus aureus bacteria.
• Necrotizing fasciitis: A rare but serious bacterial infection that can cause rapid destruction of tissue and require immediate medical attention.
• Gas gangrene: A severe bacterial infection that can cause gas to form in the tissues, leading to swelling, pain, and potentially life-threatening complications.
• Varicella zoster: A viral infection that can cause a rash and blisters on the skin.

These conditions may present with similar symptoms to Staphylococcus aureus erysipelas, such as redness, swelling, and warmth in the affected area. However, they require different treatments and have distinct characteristics.

Key points:

• Cellulitis is often caused by Streptococcus or Staphylococcus aureus bacteria.
• Necrotizing fasciitis is a rare but serious bacterial infection that requires immediate medical attention.
• Gas gangrene can cause gas to form in the tissues, leading to swelling and pain.
• Varicella zoster is a viral infection that can cause a rash and blisters on the skin.

References:

• [3] The most common pathogens in adults are streptococci and Staphylococcus aureus. Cellulitis and erysipelas can result in local necrosis and abscess formation.
• [4] Diagnosis of erysipelas is by characteristic appearance; blood culture is done in toxic-appearing patients. Erysipelas of the face must be differentiated from other conditions such as cellulitis, necrotizing fasciitis, gas gangrene, and varicella zoster.
• [9] Differential Diagnosis · Erysipelas | Has sharply demarcated and raised borders · Necrotizing fasciitis · Gas gangrene · Varicella zoster · Stasis ...