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Although definitive indications for incision and drainage of infections of the hand vary with the location, duration, extent, and severity of the infection, most localized infections warrant incision and drainage or operative debridement. Particular attention must be paid to patients with immunocompromised conditions that might mask an adequate inflammatory response and delay diagnosis and treatment. Most infections arising on the volar surface of the hand produce maximal swelling on the dorsum; however, dorsal drainage is used only when suppuration presents on the dorsum. If necrotizing fasciitis is suspected, either streptococcal or polymicrobial, immediate and aggressive operative debridement is warranted.

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If surgery cannot be performed immediately or the diagnosis of deep infection is uncertain, immobilization, rest, and elevation of the extremity in combination with aggressive broad-spectrum antibiotic therapy are initial treatments. Once the diagnosis of abscess is made, incision and drainage are performed. Patients with comorbidities must be evaluated and treated appropriately, particularly glucose control in diabetic patients.

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Various anesthetic blocks can be used depending on the level and extent of anesthesia required. Axillary, brachial plexus, and Bier blocks may be used for complete anesthesia of the forearm and hand. Regional blocks of the median, ulnar, or radial nerve at the wrist can be performed with a high level of reliability. Digital blocks can be performed either through a volar or dorsal approach, taking care to prevent excessive infiltration around the base of the digit, which can cause digital compartment syndrome and threaten circulation. Most surgeons would avoid epinephrine use because of arterial vasospasm that may result in ischemia to the digit. General anesthesia is used for more extensive infections or in cases where regional anesthesia cannot be performed safely.

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The patient is placed in a supine position with the involved hand on an arm table.

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Routine skin preparation ...

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