Publications by authors named "Grolman W"

Objective: To evaluate the difference in overall, hospital, and out-of-hospital cost difference of day-case stapes surgery, compared with inpatient stapes surgery, while maintaining equal hearing outcomes and quality of life (QoL).

Study Design: A single-center, nonblinded, randomized controlled trial in a tertiary referral center.

Methods: A total of 112 adult patients planned for primary or revision stapes surgery for clinically suspected otosclerosis were randomly assigned to either the day-case or inpatient treatment group.

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There is currently a lack of prospective studies comparing multiple treatment options for single-sided deafness (SSD) in terms of long-term sound localization outcomes. This randomized controlled trial (RCT) aims to compare the objective and subjective sound localization abilities of SSD patients treated with a cochlear implant (CI), a bone conduction device (BCD), a contralateral routing of signals (CROS) hearing aid, or no treatment after two years of follow-up. About 120 eligible patients were randomized to cochlear implantation or to a trial period with first a BCD on a headband, then a CROS (or vice versa).

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Objectives: Single-sided deafness (SSD) is often accompanied by tinnitus, resulting in a decreased quality of life. Currently, there is a lack of high level of evidence studies comparing different treatment options for SSD regarding tinnitus reduction. This randomized controlled trial (RCT) evaluated the effect of a cochlear implant (CI), bone conduction device (BCD), contralateral routing of sound (CROS), and no treatment on tinnitus outcomes in SSD patients, with follow-up extending to 24 months.

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Objective: To investigate the assumption that day-case cochlear implantation is associated with lower costs, compared to inpatient cochlear implantation, while maintaining equal quality of life (QoL) and hearing outcomes, for the Dutch healthcare setting.

Study Design: A single-center, non-blinded, randomized controlled trial in a tertiary referral center.

Methods: Thirty adult patients with post-lingual bilateral sensorineural hearing loss eligible for unilateral cochlear implantation surgery were randomly assigned to either the day-case or inpatient treatment group (i.

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Objective: To investigate the hypothesis that day-case cochlear implantation is associated with equal quality of life, hearing benefits and complications rates, compared to inpatient cochlear implantation.

Study Design: A single-center, non-blinded, randomized controlled, equivalence trial in a tertiary referral center.

Methods: Thirty adult patients with post-lingual bilateral sensorineural hearing loss eligible for unilateral cochlear implantation surgery were randomly assigned to either the day-case or inpatient treatment group.

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Objective: To investigate the effect of day-case stapes surgery on hearing results, quality of life, patient satisfaction, and complications rates, compared with inpatient stapes surgery.

Study Design: A single-center, nonblinded, randomized controlled trial in a tertiary referral center.

Methods: One hundred twelve adult patients planned for primary or revision stapes surgery were randomly assigned to either the day-case or inpatient treatment group.

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Objective: To determine the benefit of sequential cochlear implantation after a long inter-implantation interval in children with bilateral deafness receiving their second implant between 5 and 18 years of age.

Study Design: Prospective cohort-study.

Setting: Tertiary multicenter.

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Single-sided deafness (SSD) leads to difficulties with speech perception in noise, sound localisation, and sometimes tinnitus. Current treatments (Contralateral Routing of Sound hearing aids (CROS) and Bone Conduction Devices (BCD)) do not sufficiently overcome these problems. Cochlear implants (CIs) may help.

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Objective: To assess whether day-case major otologic ear surgery is a safe and feasible alternative to inpatient surgery, while maintaining equal complication rates, and to identify causes of admission after day-case surgery.

Data Sources: PubMed, Embase, and Cochrane.

Review Methods: A systematic search was conducted.

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Aim: Calculating a modelled workload based on objective measures. Exploring the relation between this modelled workload and workload as perceived by nurses, including the effects of specific job demands, job resources and personal resources on the relation.

Design: Academic hospital in the Netherlands.

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Aim: Quantifying the relation between patient characteristics and care time and explaining differences in nursing time between wards.

Design: Academic hospital in the Netherlands. Six surgical wards, capacity 15-30 beds, 2012-2014.

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The primary aim of this study was to longitudinally compare the behavioral and self-reported outcomes of simultaneous bilateral cochlear implantation (simBiCI) and sequential BiCI (seqBiCI) in adults with severe-to-profound postlingual sensorineural hearing loss. This study is a multicenter randomized controlled trial with a 4-year follow-up period after the first moment of implantation. Participants were allocated by randomization to receive bilateral cochlear implants (CIs) either, simultaneously (simBiCI group) or sequentially with an inter-implant interval of 2 years (UCI/seqBiCI group).

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Hypothesis: A cochlear implant (CI) restores hearing in patients with profound sensorineural hearing loss by electrical stimulation of the auditory nerve. It is unknown how this electrical stimulation sounds.

Background: Patients with single-sided deafness (SSD) and a CI form a unique population, since they can compare the sound of their CI with simulations of the CI sound played to their nonimplanted ear.

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Objective: To analyze postoperative hearing performance and independent predictors of speech perception and to assess cochlear implant nonuse in adults with prelingual deafness who received an implant during adulthood.

Design: Retrospective cohort study including all prelingually deaf adults who received a cochlear implant at the University Medical Center Utrecht between 2000 and 2013.

Setting: Tertiary referral center.

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Background: Balancing the number of nursing staff in relation to the number of patients is important for hospitals to remain efficient and optimizing the use of resources. One way to do this is to work with a workload management method. Many workload management methods use a time study to determine how nurses spend their time and to relate this to patient characteristics in order to predict nurse workload.

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Objectives/hypothesis: To develop a prediction model that can accurately predict the chance of success following revision stapes surgery in patients with recurrent or persistent otosclerosis at 2- to 6-months follow-up and to validate this model internally.

Study Design: A retrospective cohort study of prospectively gathered data in a tertiary referral center.

Methods: The associations of 11 prognostic factors with treatment success were tested in 705 cases using multivariable logistic regression analysis with backward selection.

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Background: High-quality trials have the potential to influence clinical practice.

Methods: Ten otolaryngology journals with the highest 2011 impact factors were selected and publications from 2010 were extracted. From all medical journals, the 20 highest impact factor journals were selected, and publications related to otolaryngology for 2010 and 2011 were extracted.

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Background: There are many methods for assessing hearing performance after cochlear implantation. Standard evaluations often encompass objective hearing tests only, while patients' subjective experiences gain importance in today's healthcare. The aim of the current study was to analyze the correlation between subjective (self-reported questionnaires) and objective (speech perception and localization) hearing test results in adult cochlear implant (CI) users.

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Importance: There is an ongoing global discussion on whether or not bilateral cochlear implantation should be standard care for bilateral deafness. Contrary to unilateral cochlear implantation, however, little is known about the effect of bilateral cochlear implantation on tinnitus.

Objective: To investigate tinnitus outcomes 1 year after bilateral cochlear implantation.

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Objective: To delineate the auditory functional improvement and peri-operative outcomes of the Sophono™ transcutaneous bone conduction device.

Methods: Eligible articles presenting patients implanted with the Sophono™ were identified through a comprehensive search of PubMed and Embase electronic databases. All relevant articles were reviewed to justify inclusion independently by 2 authors.

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Objectives: International guidelines indicate that children with profound hearing loss should receive a cochlear implant (CI) soon after diagnosis in order to optimize speech and language rehabilitation. Although prompt rehabilitation is encouraged by current guidelines, delays in cochlear implantation are still present. This study investigated whether European countries establish timely pediatric CI care based on epidemiological, commercial, and clinical data.

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Research involving animal models is crucial for the advancement of science, provided that experiments are designed, performed, interpreted, and reported well. In order to investigate the quality of reporting of articles in otorhinolaryngology research using animal models, a PubMed database search was conducted to retrieve eligible articles. The checklist of the ARRIVE (Animal Research: Reporting of In Vivo Experiments) guidelines was used to assess the quality of reporting of articles published in ear, nose and throat (ENT) and multidisciplinary journals.

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Importance: To date, no randomized clinical trial on the comparison between simultaneous and sequential bilateral cochlear implants (BiCIs) has been performed.

Objective: To investigate the hearing capabilities and the self-reported benefits of simultaneous BiCIs compared with those of sequential BiCIs.

Design, Setting, And Participants: A multicenter randomized clinical trial was conducted between January 12, 2010, and September 2, 2012, at 5 tertiary referral centers among 40 participants eligible for BiCIs.

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Article Synopsis
  • Randomized Controlled Trials (RCTs) are important for figuring out if treatments work, but sometimes they have mistakes that can make results look better or worse than they are.
  • Cochrane created a tool to help check how biased these trials are, classifying them as "low," "unclear," or "high" risk of bias.
  • A study looked at RCTs in ear, nose, and throat research and found improvements over the years, but there are still areas that need to get better to ensure accurate results.
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Objective: To systematically review the literature to evaluate the trial period of bone conduction devices (BCDs) for adult patients with single-sided deafness (SSD).

Data Sources: The PubMed, Embase, and Cochrane Library databases were searched from their inception up to August 15, 2016 for SSD, BCD, and their synonyms.

Study Selection: In total, 523 articles were retrieved, of which 12 satisfied the eligibility quality criteria.

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