Background Plasma exchange (PE) and immunoadsorption (IA) are alternative treatments of steroid‐refractory relapses of multiple sclerosis (MS) or neuromyelitis optica (NMO). Methods Adverse events and neurological follow‐ups in 127 MS‐ (62 PE, 65 IA) and 13 NMO‐ (11 PE, 2 IA) patients were retrospectively analyzed. Response was defined by improvements in either expanded disability status scale (EDSS) by at least 1.0 or visual acuity (VA) to 0.5, confirmed after 3 and/or 6 months. Results Hundred and forty patients were included in safety analysis, 102 patients provided sufficient neurological follow‐up‐data. There were no significant differences between IA and PE in side effects (3.9% vs 3.6%, P = .96) or response‐rate (P = .65). Responders showed significant lower age (P = .02) and earlier apheresis‐initiation (P = .01). Subgroup‐analysis confirmed significant lower age in patients with relapsing‐remitting MS (RRMS) /clinical isolated syndrome (CIS). Conclusion IA and PE seem equally safe and effective in steroid‐resistant MS‐ or NMO‐relapses. Early apheresis and low patient age are additional prognostic factors.

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Background/Aims: In adults, plasma exchange (PE) has been shown to be an efficient treatment for severe relapses of acute inflammatory CNS demyelinating diseases. The aim of this study was to evaluate the safety and efficacy of this treatment in pediatric patients. Methods: We retrospectively analyzed a single-center cohort of pediatric patients with inflammatory CNS demyelinating disorders who underwent apheresis between 2007 and 2011. Results: Ten patients (mean age: 11.6 ± 3.4 years) with an acute relapse of multiple sclerosis (n = 5), neuromyelitis optica (n = 2) or acute disseminated encephalomyelitis were included. All receivedmethylprednisolone prior to treatment with either PE (n = 5) or immunoadsorption (n = 5). Apheresis-related side effects were either self-limiting or easily managed. EDSS (Expanded Disability Status Scale) improved in 7 of 8 patients during apheresis and in all patients within 30 days from a median of 7.5 to 1 (p < 0.01). The visual acuity initially worsened during the procedure in 3 of 7 affected eyes (mean 0.09), but improved in all at follow-up (mean: 0.5; p = 0.008). Conclusions: Apheresis was well tolerated and associated with a favorable outcome in all pediatric patients similar to reports in adults.

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Backgrounds: Criteria that may guide early renal replacement therapy (RRT) initiation in patients with acute kidney injury (AKI) currently do not exist. Methods: In 120 consecutive patients with AKI, clinical and laboratory data were analyzed on admittance. The prognostic power of those parameters which were significantly different between the two groups was analyzed by receiver operator characteristic curves and by leave-1-out cross validation. Results: Six parameters (urine albumin, plasma creatinine, blood urea nitrogen, daily urine output, fluid balance and plasma sodium) were combined in a logistic regression model that estimates the probability that a particular patient will need RRT. Additionally, a second model without daily urine output was established. Both models yielded a higher accuracy (89 and 88% correct classification rate, respectively) than the best single parameter, cystatin C (correct classification rate 74%). Conclusions: The combined models may help to better predict the necessity of RRT using clinical and routine laboratory data in patients with AKI.

Sarcoidosis is a multi-systemic disease. A 21-year-old female patient was admitted to our department with lymphadenopathy, B symptoms, erythema nodosum and joint pain. Sarcoidosis showed a very atypical course, lacking any pulmonary symptoms or typical laboratory values. The diagnosis was finally confirmed histologically and thus various differential diagnoses such as microbiological and malignant diseases could be excluded. Oral steroid medication led to remission.

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