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Background: Multiple studies have focused on medical and pharmacological treatments and outcome predictors of patients with status epilepticus (SE). However, a sufficient understanding of recurrent episodes of SE is lacking. Therefore, we reviewed recurrent SE episodes to investigate their clinical characteristics and outcomes in patients with relapses.
Methods: In this retrospective, multicenter study, we reviewed recurrent SE patient data covering 2011 to 2017 from the university hospitals of Frankfurt and Marburg, Germany. Clinical characteristics and outcome variables were compared among the first and subsequent SE episodes using a standardized form for data collection.
Results: We identified 120 recurrent SE episodes in 80 patients (10.2% of all 1177 episodes). The mean age at the first SE episode was 62.2 years (median 66.5; SD 19.3; range 21–91), and 42 of these patients were male (52.5%). A mean of 262.4 days passed between the first and the second episode. Tonic–clonic seizure semiology and a cerebrovascular disease etiology were predominant in initial and recurrent episodes. After subsequent episodes, patients showed increased disability as indicated by the modified Rankin Scale (mRS), and 9 out of 80 patients died during the second episode (11.3%). Increases in refractory and super-refractory SE (RSE and SRSE, respectively) were noted during the second episode, and the occurrence of a non-refractory SE (NRSE) during the first SE episode did not necessarily provide a protective marker for subsequent non-refractory episodes. An increase in the use of intravenous-available anti-seizure medication (ASM) was observed in the treatment of SE patients. Patients were discharged from hospital with a mean of 2.8 ± 1.0 ASMs after the second SE episode and 2.1 ± 1.2 ASMs after the first episode. Levetiracetam was the most common ASM used before admission and on discharge for SE patients.
Conclusions: This retrospective, multicenter study used the mRS to demonstrate worsened outcomes of patients at consecutive SE episodes. ASM accumulations after subsequent SE episodes were registered over the study period. The study results underline the necessity for improved clinical follow-ups and outpatient care to reduce the health care burden from recurrent SE episodes.
Highlights
• German patients with LGS identified using most specific algorithm to date.
• Prevalence of probable LGS with epilepsy diagnosis before age 6 was 6.5 per 100,000.
• High healthcare costs of €22,787 PPY; mostly due to inpatient and home nursing care.
• Costs were greater in patients prescribed rescue medications.
• Over 10 years, LGS patients had significant mortality vs. controls (2.88 vs. 0.01%).
Abstract
Objective: This retrospective study examined patients with probable Lennox-Gastaut syndrome (LGS) identified from German healthcare data.
Methods: This 10-year study (2007–2016) assessed healthcare insurance claims information from the Vilua Healthcare research database. A selection algorithm considering diagnoses and drug prescriptions identified patients with probable LGS. To increase the sensitivity of the identification algorithm, two populations were defined: all patients with probable LGS (broadly defined) and only those with a documented epilepsy diagnosis before 6 years of age (narrowly defined). This specific criterion was used as LGS typically has a peak seizure onset between age 3 and 5 years. Primary analyses were prevalence and demographics; secondary analyses included healthcare costs, hospitalization rate and length of stay (LOS), medication use, and mortality.
Results: In the final year of the study, 545 patients with broadly defined probable LGS (mean [range] age: 31.4 [2–89] years; male: 53%) were identified. Using the narrowly defined probable LGS definition, the number of patients was reduced to 102 (mean [range] age: 7.4 [2–14] years; male: 52%). Prevalence of broadly defined and narrowly defined probable LGS was 39.2 and 6.5 per 100,000 people. During the 10-year study, 208 patients with narrowly defined probable LGS were identified and followed up for 1379 patient-years. The mean annual cost of healthcare was €22,787 per patient-year (PPY); greatest costs were attributable to inpatient care (33%), home nursing care (13%), and medication (10%). Mean annual healthcare costs were significantly greater for those with prescribed rescue medication (45% of patient-years) versus those without (€33,872 vs. €13,785 PPY, p < 0.001). Mean (standard deviation [SD]) annual hospitalization rate was 1.6 (2.0) PPY with mean (SD) annual LOS of 22.7 (46.0) days. Annual hospitalization rate was significantly greater in those who were prescribed rescue medication versus those who were not (2.2 [2.3] vs. 1.1 [1.6] PPY, p < 0.001). The mean (SD) number of different medications prescribed was 11.3 (7.3) PPY and 33.8 (17.0) over the entire observable time per patient (OET); antiepileptic drugs only accounted for 2.1 (1.1) of the medications prescribed PPY and 3.8 (2.0) OET. Over the 10-year study period, mortality in patients with narrowly defined probable LGS was significantly higher than the matched control population (six events [2.88%] vs. one event [0.01%], p < 0.001).
Conclusion: Annual healthcare costs incurred by patients with probable LGS in Germany were substantial, and mostly attributable to inpatient care, home nursing care, and medication. Patients prescribed with rescue medication incurred significantly greater costs than those who were not. Patients with narrowly defined probable LGS had a higher mortality rate versus control populations.
Highlights
• Prevalence of probable DS identified from German healthcare data: 4.7 per 100,000.
• Healthcare costs: €11,048 per patient-year, mostly inpatient care 47%, medication 26%.
• Costs and hospitalizations greater in patients with rescue medication than without.
• Mean (SD) of 5.0 (2.5) different ASMs prescribed per patient over study period.
• Patients with probable DS had significantly higher mortality risk vs. controls (11.88% vs. 1.19%).
Abstract
Objective: Ten-year retrospective study to assess burden of illness in patients with probable Dravet syndrome (DS) identified from German healthcare data.
Methods: In the absence of an International Classification of Diseases code, patients with probable DS were identified using a selection algorithm considering diagnoses and drug prescriptions. Primary analyses were prevalence and demographics; secondary analyses included healthcare costs, annual hospitalization rate (AHR) and length of stay (LOS), medication use, and mortality.
Results: In the final study year, 64 patients with probable DS (mean [range] age: 33.2 [3–82] years; male: 48%) were identified. Prevalence: 4.7 per 100,000 people. During the study, 160 patients with probable DS were identified and followed up for 1,261 patient-years. Mean cost of healthcare was €11,048 per patient-year (PPY), mostly attributable to inpatient care (47%), medication (26%), and services and devices (19%). Annual healthcare costs were significantly greater for those with prescribed rescue medication (15% of patient-years) vs. without (€16,123 vs. €10,125 PPY, p < 0.001). Mean (standard deviation [SD]) AHR and LOS were 1.1 (1.7) and 17.5 (33.5) days PPY. AHR was significantly greater in patients with prescribed rescue medication vs. without (1.6 [2.0] vs. 1.0 [1.6] PPY, p < 0.001). Mean (SD) number of antiseizure medications prescribed was 2.6 (1.2) PPY and 5.0 (2.5) over the entire observable time for each patient. Mortality rate was significantly higher for probable DS vs. matched controls (11.88% [19 events] vs. 1.19% [172 events], p < 0.001).
Conclusion: Probable DS is associated with substantial healthcare costs in Germany.
The Board of Directors of the German Society of Epileptology and the committee on epilepsy and syncope of the German Society of Neurology have reviewed the current data on vaccination to prevent coronavirus disease 2019 (COVID-19) and vaccination prioritization in people with epilepsy and provide a summary and recommendations.
100 Jahre Dieter Janz
(2020)
The 20 April 2020 marks the centenary of Dieter Janz’s birth. This issue of Zeitschrift für Epileptologie is published in his honor with the aim of tracing the work of Dieter Janz over the last five decades and summarizing new findings on the Janz syndrome (Juvenile Myoclonic Epilepsy), which is named after him.
Hintergrund: Mit der im Jahr 2020 aktualisierten AWMF-Leitlinie zur Versorgung mit einem Cochleaimplantat (CI) wurde erstmals der gesamte Prozess einer CI-Versorgung definiert. In der vorliegenden Studie wurden die Machbarkeit und die Ergebnisse einer sehr frühen Rehabilitationsmaßnahme (Reha) untersucht.
Methodik: Es wurden 54 Patienten in die Interventionsgruppe (IG) eingeschlossen, bei der die Reha innerhalb von 14 (maximal 28) Tagen nach der Implantation eingeleitet wurde. In eine Kontrollgruppe (KG, n = 21) wurden Patienten mit deutlich längerer Wartezeit eingeschlossen. Neben dem Beginn und der Dauer der Reha wurde das mit CI erreichte Sprachverstehen zu verschiedenen Zeitpunkten innerhalb von 12 Monaten erfasst. Zusätzlich wurde mit Fragebögen der Aufwand der Anpassung des CI-Prozessors und die Zufriedenheit der Patienten mit dem Ergebnis sowie dem Zeitpunkt des Beginns der Reha ermittelt.
Ergebnisse: Die Wartezeit zwischen Implantation und Beginn der Reha lag in der IG bei 14 Tagen und in der KG bei 106 Tagen (Mediane). Es konnten 92,6 % der Patienten der IG die Reha innerhalb von 14 Tagen antreten. Der Effekt der Reha lag in der IG bei 35 und in der KG bei 25 Prozentpunkten (Freiburger Einsilbertest). Nach 6 und 12 Monaten (M) CI-Nutzung zeigten beide Gruppen sowohl in der Testbedingung in Ruhe (IG/KG 6M: 70 %/70 %; 12M: 70 %/60 %, Freiburger Einsilbertest) als auch im Störgeräusch (IG/KG 6M: −1,1 dB SNR/–0,85 dB SNR; 12M: −0,65 dB SNR/+0,3 dB SNR, Oldenburger Satztest) vergleichbare Ergebnisse. Die mittels des Fragebogens Speech, Spatial and Qualities of Hearing Scale (SSQ) erfassten Ergebnisse für die Einschätzung der Hörqualität zeigten nach 6 Monaten eine bessere Bewertung in der IG, die sich nach 12 Monaten an die Ergebnisse der KG anglich. Die IG war mit dem Zeitpunkt des Beginns der Reha deutlich zufriedener als die KG. Alle anderen aus Fragebögen ermittelten Daten zeigten keine Unterschiede zwischen den beiden Gruppen.
Schlussfolgerung: Der sehr frühe Beginn einer stationären Reha nach Cochleaimplantation ist erfolgreich umsetzbar. Die Reha konnte innerhalb von 7 Wochen nach der Implantation abgeschlossen werden. Der Vergleich der Ergebnisse der Tests des Sprachverstehens vor und nach der Reha zeigte eine deutliche Steigerung. Somit ist ein deutlicher Reha-Effekt nachweisbar. Die Aufnahme der CI-Rehabilitation in den Katalog der Anschlussheilbehandlungen ist somit wissenschaftlich begründet und damit dringend zu empfehlen.
Background: The Association of the Scientific Medical Societies in Germany (AWMF) clinical practice guideline on cochlear implant (CI) treatment, which was updated in 2020, defined the entire process of CI care for the first time. In the present study, the feasibility and results of very early rehabilitation were examined.
Materials and methods: The intervention group (IG) comprised 54 patients in whom rehabilitation was initiated within 14 (maximally 28) days after implantation. Patients with a significantly longer waiting time were included in the control group (CG, n = 21). In addition to the start and duration of rehabilitation, the speech intelligibility achieved with CI was recorded at different timepoints within a 12-month period. In addition, questionnaires were used to assess the effort of fitting the CI processor and the patients’ satisfaction with the outcome as well as the timing of the start of rehabilitation.
Results: Median waiting time between implantation and start of rehabilitation was 14 days in the IG and 106 days in the CG; 92.6% of IG patients were able to start rehabilitation within 14 days. The effect of rehabilitation in the IG was 35 and in the CG 25 percentage points (Freiburg monosyllabic test). After 6 and 12 months of CI use, both groups showed comparable results in the test condition in quiet (IG/CG 6 months: 70%/70%; 12 months: 70%/60%, Freiburg monosyllabic test) and in noise (IG/CG 6 months: −1.1 dB SNR/–0.85 dB SNR; 12 months: −0.65 dB SNR/+0.3 dB SNR, Oldenburg sentence test). Hearing quality assessment scores collected by SSQ (Speech, Spatial and Qualities of Hearing Scale) questionnaire showed better scores in the IG at 6 months, which converged to CG scores at 12 months. The IG was significantly more satisfied with the timing of the start of rehab than the CG. All other data obtained from questionnaires showed no differences between the two groups.
Conclusion: A very early start of inpatient rehabilitation after cochlear implantation was successfully implemented. The rehabilitation was completed within 7 weeks of CI surgery. Comparison of speech recognition test results before and after rehabilitation showed a significant improvement. A clear rehabilitation effect can therefore be demonstrated. Inclusion of CI rehabilitation in the German catalog of follow-up treatments is thus scientifically justified and therefore strongly recommended.
Viruses that carry a positive-sense, single-stranded (+ssRNA) RNA translate their genomes soon after entering the host cell to produce viral proteins, with the exception of retroviruses. A distinguishing feature of retroviruses is reverse transcription, where the +ssRNA genome serves as a template to synthesize a double-stranded DNA copy that subsequently integrates into the host genome. As retroviral RNAs are produced by the host cell transcriptional machinery and are largely indistinguishable from cellular mRNAs, we investigated the potential of incoming retroviral genomes to directly express proteins. Here we show through multiple, complementary methods that retroviral genomes are translated after entry. Our findings challenge the notion that retroviruses require reverse transcription to produce viral proteins. Synthesis of retroviral proteins in the absence of productive infection has significant implications for basic retrovirology, immune responses and gene therapy applications.