Abstract

VILLANUEVA, V.; PEREZ, A.; ASENSIO, J. M.  and  ANDRES, J. A. de. Recurrent infection following an insect bite. In a patient with a neuromodulation system. Rev. Soc. Esp. Dolor [online]. 2006, vol.13, n.5, pp.294-299. ISSN 1134-8046.

Technological developments in the last decade of the 20^th century have led to the design of devices such as spinal cord stimulators for the management of severe and intractable pain. Complications after the implantation of the electrodes are infrequent, but some as breakage, infection and displacement have been reported. The case of a young technical agricultural engineer with a medical history of allergy to acarus is described. He developed a septic shock following the sting of an insect (Simu-lium Damnasum) on the top right limb, being admitted to intensive care for 48 hours. During his hospital stay, he had severe neuropathic pain with a poor response to conventional treatment. Three and a half years after this event, the patient was sent to the Pain Management Unit, where the first stage of an electrode implantation for a spinal cord stimulator was carried out. The system was withdrawn after six days due to a Staphylococcus Aureus infection. A series of epicutaneous test for regular substances and for those from the spinal cord stimulator components were made. The likelihood of an allergy to some component of the implantable device, responsible for an inflammatory reaction and subsequent infection of the catheter, was ruled out. It is important to point out that careful asepsis is still the best means to avoid infections. In patients with a medical history of atopia or allergic reactions, allergic tests should be considered as a measure to prevent rejections of devices.

Keywords : Spinal cord stimulation; infection; allergy.

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