Összefoglaló. Két fiatal nőbetegnél a valproátról lamotriginre történő gyógyszerátállítás során a 3–4. héten influenzaszerű prodromalis tüneteket követően toxikus epidermalis necrolysis (TEN), más néven Lyell-szindróma alakult ki. Mindkét beteg 5 napja kezdődött bőr- és nyálkahártyatünetekkel, kiterjedt hámleválást okozó hámnekrózissal került felvételre a Debreceni Egyetem Bőrgyógyászati Klinikájának Égési Intenzív Osztályára. Multidiszciplináris szupportív terápia mellett nagy dózisú szteroid- és immunglobulin-terápiát alkalmaztunk. A 37 éves nőbetegnél 3 hét után a kórkép fatális kimenetellel végződött. A 19 éves nőbeteg tünetei 4 hét intenzív terápia után szövődményekkel gyógyultak. A TEN ritka, gyógyszer által okozott, életet veszélyeztető, késői hiperszenzitivitási reakció. Patogenezisében a gyógyszermolekula, a humán leukocytaantigén (HLA) I. osztályú molekula és a T-sejt-receptor kóros interakciója szerepel. Kezelésében a legfontosabb a kiváltó gyógyszer elhagyása, valamint az azonnal kezdett komplett szupportív terápia alkalmazása. A specifikus kezelést illetően nincsenek egységes szakmai irányelvek. A veszélyes gyógyszerek titrált bevezetése csökkentheti a kialakuló hiperszenzitivitás súlyosságát, ezenfelül a beteg szoros követése és az adverz tünetek korai felismerése javíthatja a TEN kimenetelét. Orv Hetil. 2020; 161(46): 1959–1965.
Summary. After switching from valproate to lamotrigine, on the 3rd–4th weeks, two young female patients developed flu-like prodromal symptoms, followed by the development of toxic epidermal necrolysis (TEN), also known as Lyell syndrome. Both patients were admitted to the Burn Intensive Care Unit of the Department of Dermatology, University of Debrecen with skin and mucosa symptoms; extensive epithelial death and detachment started 5 days earlier. In addition to multidisciplinary supportive treatment, high-dose corticosteroid and immunoglobulin therapy were administered. In the case of the 37-year-old female patient, the disease resulted in a fatal outcome. The 19-year-old patient healed with some sequelae. TEN is a rare, life-threatening delayed-type hypersensitivity reaction caused by drugs. Its pathogenesis involves an interaction between small-molecule drug, human leukocyte antigen class I molecule and T-cell receptor. The most important treatment is immediate withdrawal of potentially causative drugs and prompt application of supportive therapy. There is no standard guidance on specific treatment. Slow dose escalation of dangerous drugs can be beneficial in avoiding severe reactions, furthermore, close patient follow-up and early detection of the possible adverse reactions contribute to a more favourable outcome of TEN. Orv Hetil. 2020; 161(46): 1959–1965.
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