Knock-knock disease - Altmeyers Encyclopedia - Department Vascular medicine

Definition
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Mechanically induced digital microangiopathy with consecutive fingertip necroses, e.g. in pneumatic tool workers, formerly in knockers in the shoe industry. Usually incoming with Raynaud's syndrome.

Therapy
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Dry, nurturing treatment; in case of superinfection of fingertip necrosis external, antiseptic therapy with polyvidon iodine (e.g. Braunovidone-iodine solution), in case of severe infection internal antibiotic therapy with broad-spectrum antibiotics (see gangrene below). S.a.u. Raynaud's syndrome.