Publications by authors named "Behmanesh B"

Objective: Although the operating theatre offers unique didactic opportunities, it can be perceived as an uncomfortable environment by medical students due to the lack of theatre etiquette, time pressure and parallel work of different disciplines. We investigated whether virtual reality (VR) training can significantly reduce some of these fears and improve surgical education for medical students.

Methods: We randomly divided a group of 24 medical students and investigated the effects of a VR application (digitally recreated operating theatre tour) and compared it with currently-in-use written instructions for operational tasks in the operating theatre.

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Background: In this study, we want to evaluate the response to Lutetium-177 (Lu)-DOTATATE treatment in patients with neuroendocrine tumors (NETs) using single-photon emission computed tomography (SPECT) and computed tomography (CT), based on image-based radiomics and clinical features.

Methods: The total volume of tumor areas was segmented into 61 SPECT and 41 SPECT-CT images from 22 patients with NETs. A total of 871 radiomics and clinical features were extracted from the SPECT and SPECT-CT images.

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Background: COVID-19 has attracted global attention primarily because of the severe acute respiratory symptoms associated with it. However, nearly one third of the patients also present with neurologic symptoms. This report describes a case of a previously healthy woman with acute COVID-19 infection, who developed acute facial nerve palsy and rapid progression to coma due to otogenic brain abscess.

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The accurate identification of intraoperative levels is of paramount importance in spinal surgery, particularly in cases of obesity or anatomical anomalies affecting the thoracic spine. The aim of this work was to clarify whether the preoperative percutaneous placement of fiducial markers under local anesthesia only, with minimal discomfort to the patient, can be performed safely and efficiently. Patients treated at our institution between June 2019 and June 2020 for thoracic intraspinal lesions with preoperative percutaneous gold fiducial placement were analyzed.

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Background: Radiomics is the computation of quantitative image features extracted from medical imaging modalities to help clinical decision support systems, which could ultimately meliorate personalized management based on individual characteristics.

Objective: This study aimed to create a predictive model of response to peptide receptor radionuclide therapy (PRRT) using radiomics computed tomography (CT) images to decrease the dose for patients if they are not a candidate for treatment.

Material And Methods: In the current retrospective study, 34 patients with neuroendocrine tumors whose disease is clinically confirmed participated.

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Return to work after spinal surgery is a crucial factor in the recovery process. It can contribute not only to physical rehabilitation but also to psychological well-being. This study aims to evaluate the rate of return to work following elective lumbar spine surgery and identify predictors that predict failure of return to work.

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The COVID-19 (coronavirus disease) pandemic had a severe impact on public health worldwide. A rare but serious complication after administration of adenoviral vaccines against SARS-CoV-2 (AstraZeneca-Oxford and Johnson & Johnson) is vaccine-induced immune thrombotic thrombocytopenia and thrombosis (VITT), which can lead to serious complications such as cerebral venous sinus thrombosis (CVST). CVST itself can cause subarachnoid hemorrhage (SAH) and/or intracerebral hemorrhage (ICH), leading to high mortality due to herniation of brain parenchyma.

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Aim: This placebo-controlled and randomized pilot study aimed to assess the feasibility and impact of tofacitinib/remdesivir combination therapy compared to remdesivir alone on clinical and laboratory findings of severely ill COVID-19 patients for future large-scale studies.

Method: Fifty patients were included in this study. They were randomly allocated into two groups of 25 subjects each.

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Article Synopsis
  • Recent research indicates that removing dead tissue (necrotic tissue) during surgery for ischemic cerebellar stroke may improve recovery more than just removing pressure (decompressive surgery) alone, but optimal procedures and outcomes related to the amount of tissue removed haven't been well-studied.* -
  • This study analyzed data from 91 patients who had surgery for ischemic cerebellar stroke, measuring the volume of infarcted tissue before and after operations, and evaluating functionality at 3 months post-surgery using a standardized ranking scale.* -
  • Results showed that patients who had necrosectomy (removal of necrotic tissue) were significantly more likely to achieve favorable recovery outcomes, with a specific threshold of
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Aim: This study aimed to investigate the diagnostic and prognostic value of anti-severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Spike IgG/IgM antibodies in patients infected with coronavirus Delta variant.

Methods: This analytical observational study included 270 unvaccinated patients (aged ≥18 years) diagnosed with coronavirus disease 2019 (COVID-19) Delta variant who referred to Emergency Department of our hospital. The serum levels of anti-SARS-CoV-2 Spike IgG and IgM were measured by indirect ELISA.

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Importance: According to the current American Heart Association/American Stroke Association guidelines, decompressive surgery is indicated in patients with cerebellar infarcts that demonstrate severe cerebellar swelling. However, there is no universal definition of swelling and/or infarct volume(s) available to support a decision for surgery.

Objective: To evaluate functional outcomes in surgically compared with conservatively managed patients with cerebellar infarcts.

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Background incidence of pyogenic spinal infections has increased in recent years. In addition to treating the spinal infection, optimal care also includes identifying the source of the pyogenic spinal infection and the presence of other infections. The aim of this study is to elucidate the prevalence of oral cavity infection (OCI) within this patient cohort.

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Purpose: Chat generative pre-trained transformer (GPT) is a novel large pre-trained natural language processing software that can enable scientific writing amongst a litany of other features. Given this, there is a growing interest in exploring the use of ChatGPT models as a modality to facilitate/assist in the provision of clinical care.

Methods: We investigated the time taken for the composition of neurosurgical discharge summaries and operative reports at a major University hospital.

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Background: Temporal muscle thickness (TMT) on cranial CT scans has recently been identified as a prognostic imaging parameter for assessing a patient's baseline frailty. Here, we analyzed whether TMT correlates with Traumatic brain injury (TBI) severity and whether it can be used to predict outcome(s) after TBI.

Methods: We analyzed the radiological and clinical data sets of 193 patients with TBI who were admitted to our institution and correlated the radiological data with clinical outcomes after stratification for TMT.

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Objective: Outpatient parenteral antimicrobial therapy (OPAT) is a well-established and cost-effective method for improving the efficient use of healthcare resources. However, only a few centres in Germany perform it. Here we analysed OPAT for the treatment of patients with cranial infections in our neurosurgical department.

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While comprising only 2% of all ischemic strokes, cerebellar strokes are responsible for substantial morbidity and mortality due to their subtle initial presentation and the morbidity of posterior fossa swelling. Furthermore, low temporal muscle thickness (TMT) has recently been identified as a prognostic imaging parameter to assess patient frailty and outcome. We analyzed radiological and clinical data sets of 282 patients with cerebellar ischemic stroke.

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Article Synopsis
  • - The study investigates the outcomes of two surgical techniques for patients with space-occupying cerebellar stroke (SOCS) and neurological decline, comparing suboccipital decompressive craniectomy (SDC) with suboccipital craniotomy and necrosectomy.
  • - Results showed that patients who had necrosectomy had a significantly better functional outcome at discharge and three months later compared to those who received SDC alone, with favorable outcomes at 65.3% versus 27.9% and 41.7% respectively.
  • - No notable differences in mortality or postoperative complications were found between the two surgical approaches, highlighting the need for further research through prospective randomized studies to validate these results.
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Article Synopsis
  • A study aimed to create clinical scoring systems for patients with cerebellar stroke to predict mortality and outcomes, as no established scores existed before.
  • The research included 531 patients over a period of 13 years across multiple centers in Germany, utilizing logistic regression to identify significant independent predictors for 30-day mortality and unfavorable outcomes.
  • The developed scores highlighted age, Glasgow Coma Scale, stroke volume, and brain stem involvement as critical factors, with specific point assignments indicating varying levels of risk for mortality and negative outcomes within 30 days after the stroke.
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: Air-pouch balloon-assisted probes have proven to be both simple and reliable tools for intracranial pressure (ICP) monitoring. However, we experienced reproducible falsely high ICP measurements when the ICP probe was inserted into the intracerebral hematoma cavity. Thus, the aim of the experimental and translational study was to analyze the influence of ICP probe placement with regard to measured ICP values.

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Spinal tuberculosis is due to globalization no longer a disease limited to developing nations. It remains in Germany a rarity and still a difficult diagnosis. Here we analyzed patients with spinal tuberculosis treated at our neurosurgical department.

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Objective: While outcomes of surgical treatment for spinal meningiomas are well-described within the literature, factors affecting early return to work as well as long-term health related quality of life remain unclear.

Methods: In this retrospective study, patients with spinal meningioma and surgical treatment from two university-level neurosurgical institutions between 2008 and 2021 were analyzed. Time to return to work, physical activities and long-term health related quality of life (assessed by telephone interviews using the EQ-5D-5L health status measure and visual analogue scale (EQ VAS) were analyzed.

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Outpatient parenteral antimicrobial therapy (OPAT) is a cost-effective method of administering intravenous antimicrobial therapy. Although OPAT is well established in the UK and US healthcare systems, few centres in Europe perform it. Here we analysed OPAT for the treatment of patients with spinal infections at our institution.

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Background: As compared with supratentorial intracerebral hemorrhages (ICH), bleeds that occur within the cerebellum require special consideration given the nature of the posterior fossa.

Objective: To validate ICH and ICH grading scale (ICH-GS) scores in patients with cerebellar hemorrhage and examine the outcomes of patients managed surgically as compared with those who underwent conservative treatment.

Methods: This observational multicenter study included 475 patients with cerebellar hemorrhage from 9 different neurosurgical departments in Germany between 2005 and 2021.

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Background: Reduced temporal muscle thickness (TMT) was verified as an independent negative prognostic parameter for outcome in brain tumor patients. Independent thereof, chronic subdural hematoma (CSDH) is a neurosurgical condition with high recurrence rates and unreliable risk models for poor outcome. Since sarcopenia was associated with poor outcome, we investigated the possible role of TMT and the clinical course of CSDH patients.

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Article Synopsis
  • * Conducted as a prospective observational study at a single center, it involved 44 patients with recurrent CSDH who underwent intraoperative microbiological testing.
  • * The results showed that 29% of the cases had an unnoticed low-grade infection, primarily involving germs from one specific genus, suggesting a new potential explanation for why CSDH recurs.
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