Publications by authors named "Dirk Esser"

Background: Immunomodulators and biologics are cornerstones in the management of inflammatory bowel disease [IBD], but are associated with increased risk of infections. Post-marketing surveillance registries are pivotal to assess this risk, yet mainly focus on severe infections. Data on the prevalence of mild and moderate infections are scarce.

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Introduction: We sought to understand key symptoms of generalized pustular psoriasis (GPP) and to confirm the relevance to patients and content validity of the Psoriasis Symptom Scale (PSS) in GPP.

Methods: A targeted literature review and clinical expert interviews were conducted as background research. Patients were interviewed individually (involving concept elicitation and cognitive interviews), and a separate patient workshop was conducted to determine disease-specific symptoms of importance.

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Introduction: To compare inpatient treated patients with idiopathic (ISSNHL) and non-idiopathic sudden sensorineural hearing loss (NISSNHL) regarding frequency, hearing loss, treatment and outcome.

Methods: All 574 inpatient patients (51% male, median age: 60 years) with ISSNHL and NISSNHL, who were treated in federal state Thuringia in 2011 and 2012, were included retrospectively. Univariate and multivariate statistical analyses were performed.

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: Generalized pustular psoriasis (GPP) is characterized by widespread erythema and edema, superficial sterile coalescing pustules, and lakes of pus. Although the impact of GPP is thought to be substantial, emerging literature on its clinical, humanistic, and economic burden has not previously been described in a structured way.: A structured search focused on the identification of studies in GPP using specific search terms in PubMed and EMBASE® from 2005 onwards, with additional back-referencing and pragmatic searches.

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: Palmoplantar pustulosis (PPP) is a chronic, relapsing and refractory disease characterized by sterile pustules appearing on the palms and/or soles, accompanied by erythema, blistering, scales and/or keratinization. The overall burden of PPP in terms of its clinical impact, effect on patients and families, and economic consequences has not previously been investigated in a structured manner.: A structured search focused on identification of studies in PPP using specific search terms in PubMed and EMBASE® from 2005 onwards, with additional back-referencing and pragmatic searches.

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The primary objective of the study was to evaluate the measurement properties of the patient-reported four-item Psoriasis Symptom Scale (PSS).: Analysis of phase-III data on the efficacy of risankizumab to assess psychometric characteristics of the PSS in patients with moderate-to-severe psoriasis. PSS items had a good range of symptom severity coverage.

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Vestibular schwannomas are benign neoplasms originating from the Schwann cells of the vestibular vestibular nerve of the vestibulocochlear nerve, and rarely from the pars cochlearis. These are tumors that are in contact with the nerve but do not bind the fibers. Benign neoplasms of the Schwann cells of the auditory and equilibrium nerves can also occur primarily in the inner ear and are referred to as intralabyrinthine schwannomas (ILS).

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Background: Disease progression and acute exacerbations in patients with idiopathic pulmonary fibrosis (IPF) are associated with high morbidity and mortality. They usually require a visit to a specialist or a general practitioner (GP) in less severe cases or hospitalisation in more severe cases.

Objective: The objective of this study was to identify factors that influence resource use in IPF.

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Introduction: We evaluated the psychometric properties of the St George's Respiratory Questionnaire (SGRQ) in patients with idiopathic pulmonary fibrosis (IPF) using data from the two INPULSIS trials.

Methods: Data from 1061 patients treated with nintedanib or placebo were pooled. Internal consistency, test-retest reliability, construct validity, known-groups validity, responsiveness and responder thresholds were examined.

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Purpose: The aim was to determine inpatient treatment rates of idiopathic sudden sensorineural hearing loss (ISSNHL) with focus on diagnostics, treatment, and outcome.

Methods: A retrospective population-based study in the federal state Thuringia in 2011 and 2012 was performed on all 490 inpatients (51% females, median age: 60 years) treated for ISSNHL (Median duration: 7 days). The association between analyzed parameters and the probability of recovery was tested using univariable and multivariable statistics.

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Objective: To determine inpatient treatment rates of patients with dizziness with focus on diagnostics, treatment and outcome.

Study Design: Retrospective population-based study.

Setting: Inpatients in the federal state Thuringia in 2014.

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Background: Systemic sclerosis (SSc), or systemic scleroderma, is a chronic multisystem autoimmune disease characterised by widespread vascular injury and progressive fibrosis of the skin and internal organs. Patients with SSc have decreased survival, with pulmonary involvement as the main cause of death. Current treatments for SSc manage a range of symptoms but not the cause of the disease.

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French vertical flow constructed wetlands (VFCW) treating raw wastewater have been developed successfully over the last 30 years. Nevertheless, the two-stage VFCWs require a total filtration area of 2-2.5 m/P.

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Objective: The hearing threshold at 500 Hz was estimated using five methods which are suitable for the low frequency range: Low-Chirp BERA (LCBERA), Notched-noise BERA (NNBERA), Narrow band CE-Chirp BERA (NBCBERA) and Narrow band CE-Chirp ASSR (NBCASSR) (40/90 Hz). The slope of the discrimination function of each method was used for determination of the most efficient method. The threshold values were compared and the corresponding odds ratios (OR) were calculated.

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Although microlaryngoscopy is an integral part of surgical routine of otorhinolaryngologists, there is no population-based data published on surgery rates and efficiency of microlaryngoscopy country-wide or nation-wide. All 616 patients who underwent microlaryngoscopy 2011 in one of the eight ENT departments in Thuringia were analyzed according to patients' characteristics, therapy, complications and follow-up. The majority of admissions were performed because of a benign disease (60%) of the larynx, and in 33% related to a malignant disease or suspicion of a malignant disease.

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The aim of the study is the experimental determination of the optimal required masking level for a given stimulus level when using a band limited "low-frequency chirp" in order to improve frequency and place specificity of auditory brainstem responses (ABRs). A low-frequency chirp (100-850 Hz) at stimulation levels between 40 and 80 dB normalized hearing level was presented to 12 normal hearing subjects. During presentation of each stimulus, the level of a high-pass noise with a low cutoff frequency of 1100 Hz was varied between 0 and 25 dB signal-to-noise ratio (SNR) by using 5 dB steps (at 0 dB SNR the same level of both the chirp and the masker in dB sound pressure level was presented).

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The St George's Respiratory Questionnaire (SGRQ) has been used to measure health-related quality of life (HRQoL) in patients with idiopathic pulmonary fibrosis (IPF).This analysis evaluated the psychometric properties of the SGRQ using data from 428 patients with IPF who participated in a 12-month, randomised, placebo-controlled phase II trial of nintedanib.Internal consistency (Cronbach's α) was 0.

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Article Synopsis
  • - The study analyzed data from 1,094 patients with head and neck cancer (treated from 2009 to 2011) to understand the effect of comorbidity on overall survival (OS), finding that factors like older age, advanced cancer stage, and certain health conditions significantly worsen OS outcomes.
  • - About 80% of the patients were male, with an average age of 60; common issues like smoking, alcohol abuse, and anemia were noted in a significant portion of the group, with surgery and radiotherapy being the main treatment methods.
  • - Despite evaluating multiple comorbidity assessment tools, no single score proved better at predicting OS, emphasizing the importance of considering comorbidity when planning treatments and conducting future clinical studies
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Background: Idiopathic pulmonary fibrosis (IPF) is a form of chronic fibrosing interstitial pneumonia characterized by progressive worsening of dyspnea and lung function, with a poor prognosis. The objective of this study was to determine treatment patterns, resource use and costs of managing Spanish patients with IPF.

Methods: A three-round Delphi consensus panel of 15 clinical experts was held between December 2012 and June 2013 using questionnaires to describe the management of patients with IPF.

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Comorbidity assessment and a profound cardiac examination were implemented into pre-treatment diagnostics to analyze their influence on head and neck squamous cell carcinoma (HNSCC) therapy selection and short-term mortality. Comorbidity was measured prospectively in 49 HNSCC patients using standard indices between 2012 and 2013. Cardiac examinations included electrocardiogram, echocardiography, and bicycle ergometry.

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Background: The Asthma Quality of Life Questionnaire (AQLQ) and the Asthma Control Questionnaire (ACQ) are widely used in asthma research; however, in studies of newer asthma treatments, mean improvements in these measures compared with placebo arms do not exceed the minimal important difference (MID), particularly when a new treatment is added to current treatment.

Objective: We performed a systematic review and network meta-analysis to examine the magnitude of AQLQ and ACQ responses achieved with commonly used asthma drugs and factors influencing these end points in clinical trials.

Methods: A systematic literature search was conducted to identify blinded randomized controlled trials reporting AQLQ or ACQ results.

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