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Objectives: People who inject drugs (PWID) are at increased risk for numerous negative health outcomes. Subcutaneous injections (aka skin popping) can result in greater risk of skin and soft tissue infections (SSTIs), but less is known about PWID who choose this route of administration. This study compares subcutaneous injectors to intravenous injectors, characterizes those who inject subcutaneously, and examines whether subcutaneous injection is associated with SSTIs in the past year. Methods: A cohort of hospitalized PWID (n = 252) were interviewed regarding injection-related behaviors, history of SSTI, and knowledge of subcutaneous injection risk. We examined differences between those who do and do not inject subcutaneously and used a negative binomial regression model to estimate adjusted odds associating subcutaneous injection and SSTI. Results: Participants averaged 38 years, with 58.3% male, 59.5% White, 20.6% Black, and 15.9% Latinx. PWID who performed subcutaneous injection were not demographically different from other PWID; however, the mean rate of past year SSTIs was higher for persons injecting subcutaneously than for those who did not (1.98 vs 0.96, P < 0.001). Persons injecting subcutaneously did not differ from those who injected intravenously in terms of their knowledge of subcutaneous injection risk (P = 0.112) and knowledge score was not associated with SSTIs (P = 0.457). Conclusions: PWID who perform subcutaneous injections are demographically similar to other PWID but had higher rates of past year SSTIs. Knowledge of subcutaneous injection risk was not associated with SSTI risk. [ABSTRACT FROM AUTHOR]

Presented is a rare case of tibial and fibular osteomyelitis and a case of fibular periositis, both a direct consequence of a peculiar drug use technique. The osseous manifestations secondary to presentation of necrotic wounds with indurated rim and serous drainage with associated cellulitis, both resulting from “skin popping.” Due to the complex treatment plan required, the importance of a motivated patient, a strong social support system, a controlled environment, and a multidisciplinary team cannot be overstated. Despite comprehensive efforts, devastating consequences may be unavoidable as individuals plunge downward, victimized by their addiction. Level of clinical evidence 4. [ABSTRACT FROM AUTHOR]

We review the most common systemic and cutaneous signs of heroin, cocaine, methamphetamine, Ecstasy, and marijuana use. We also provide an overview of the skin and soft-tissue infections frequently found in intravenous drug users and the effects of the adulterants added to the drugs. [Copyright &y& Elsevier]

Summary: It is estimated that worldwide, 16 million people, aged 15–64 years inject illicit drugs regularly. When peripheral venous access becomes obliterated, drug users start injecting into the subdermal area of the skin – “skin popping”. When this area ulcerates, the well vascularised granulation tissue called a “shooter’s patch" is maintained as a portal for continuing injection. These “shooter’s patches” are usually on the limbs, but have been reported on the breast and the penis. We present a case of a reconstructive muscle flap being used in an unforeseen manner as a shooters patch. Surgeons rely on muscle flaps to provide a robust reconstructive option, but we have learnt that drug users value them for their rich vascularity and high absorption. [ABSTRACT FROM AUTHOR]