Prognostic value of histologic features of toxic epidermal necrolysis - 13/01/13
, Sylvie Bastuji-Garin, MD, PhD b, Sarah Guégan, MD, PhD c, Nicolas Ortonne, MD, PhD d, Martine Bagot, MD, PhD e, Jean-Claude Roujeau, MD a, Jean E. Revuz, MD a, Janine Wechsler, MD d, Pierre Wolkenstein, MD, PhD aAbstract |
Background |
The prognosis of toxic epidermal necrolysis (TEN), Stevens-Johnson syndrome (SJS), and SJS/TEN overlap syndrome has been assessed using a disease-specific severity score (SCORTEN) based on clinical and laboratory data. Histologic data may improve outcome prediction.
Objective |
We sought to evaluate whether dermal mononuclear infiltration and epidermal necrosis predict survival of patients with TEN, SJS, or SJS/TEN.
Methods |
We conducted a retrospective review of clinical records and skin biopsy specimens read without knowledge of clinical data.
Results |
We identified 108 patients (SJS, n = 42; SJS/TEN, n = 36; TEN, n = 30). Overall mortality was 21.3%. Dermal infiltration and epidermal necrosis were not associated with time from disease onset to biopsy. Extensive dermal infiltrates were seen in 19 (18.5%) patients and full-thickness epidermal necrosis in 56 (52%) patients. Dermal infiltrate severity was not associated with day-1 (D1) SCORTEN or hospital death. Epidermal necrosis severity showed trends toward associations with D1 SCORTEN (P = .11) and hospital death (P = .06). In univariate analyses, full-thickness epidermal necrosis was significantly associated with hospital death (32.1% vs 11.4%, P = .017) and worse D1 SCORTEN values (1.98 ± 1.29 vs 1.55 ± 1.21; P = .04). In the bivariate analysis, however, D1 SCORTEN remained significantly associated with hospital death (odds ratio = 3.07, 95% confidence interval 1.83-5.16) but the association with full-thickness epidermal necrosis was no longer significant (odds ratio = 2.02, 95% confidence interval 0.65-7.12).
Limitations |
Retrospective study design and indirect assessment of progression are limitations.
Conclusion |
Full-thickness epidermal necrosis was associated with mortality but did not independently predict hospital death after adjustment based on the SCORTEN value. Dermal infiltrate severity was not associated with hospital death.
Le texte complet de cet article est disponible en PDF.Key words : full-thickness necrosis, mortality, Stevens-Johnson syndrome, toxic epidermal necrolysis
Abbreviations used : BSA%, CI, D1, SJS, TEN
Plan
| The first two authors contributed equally to the study. |
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| Funding sources: None. |
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| Conflicts of interest: None declared. Study approved by ethics committee. |
Vol 68 - N° 2
P. e29-e35 - février 2013 Retour au numéro
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