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Gas gangrene due to Clostridium perfringens in two injecting drug users in Vienna, Austria
Ojan Assadian1, Afshin Assadian, Christian Senekowitsch
1Department of General and Vascular Surgery, Wilhelminenspital, Vienna, Austria. ojan.assadian@akh-wien.ac.at
Abstract:
We describe two cases of severe myonecrotic infections caused by Clostridium perfringens in injecting drug users (IDUs) in Vienna, Austria. Clostridial myonecrosis, or gas gangrene, is a clostridial infection primarily of muscle tissue. C. perfringens is isolated in 90% of these infections. Other clostridial species isolated are C. novyi, C. septicum, C. histolyticum, C. fallax, and C. bifermentans. Classically, clostridial myonecrosis has an acute presentation and a fulminant clinical course. It is diagnosed mainly on a clinical basis. The infection may be so rapidly progressive that any delay in recognition or treatment may be fatal. The onset is sudden, often within 4 to 6 hours after an injury. An early clinical finding is sudden severe pain in the area of infection. Swelling and edema in the area of infection is pronounced. At surgery, the infected muscle is dark-red to black, is noncontractile, and does not bleed when cut. Crepitus, although not prominent, is sometimes detected. We were able to demonstrate spores that were morphologically indistinguishable from spores of C. perfringens in a drug sample obtained from case 2. General practitioners and accident and emergency staff should be aware of the possibility of C. perfringens infection in IDUs, especially if injection into soft tissue is suspected.
Insights
Severe myonecrotic infections from Clostridium perfringens occurred in two injecting drug users in Vienna. Early recognition and treatment are crucial for gas gangrene, a rapidly progressive and potentially fatal condition.
Area of Science:
- Infectious Diseases
- Microbiology
- Public Health
Background:
- Clostridial myonecrosis, also known as gas gangrene, is a severe bacterial infection primarily affecting muscle tissue.
- Clostridium perfringens is the most common causative agent, identified in 90% of cases, though other Clostridium species can also be involved.
Observation:
- Two cases of severe myonecrotic infections caused by Clostridium perfringens were observed in injecting drug users in Vienna, Austria.
- The infections presented with sudden, severe pain, pronounced swelling, and edema, characteristic of rapidly progressive gas gangrene.
- Surgical findings included dark, non-contractile muscle tissue that did not bleed when cut; spores resembling C. perfringens were identified in a drug sample from one patient.
Findings:
- The study highlights Clostridium perfringens as a cause of severe myonecrosis in injecting drug users.
- Morphologically similar spores were found in a drug sample, suggesting a potential route of transmission.
- The clinical presentation was acute and fulminant, emphasizing the rapid progression of the infection.
Implications:
- Healthcare providers, particularly general practitioners and emergency staff, must be aware of the risk of Clostridium perfringens infections in injecting drug users.
- Prompt clinical diagnosis and immediate treatment are essential to prevent potentially fatal outcomes.
- This underscores the importance of safe injection practices and awareness of infectious risks associated with drug use.
