Publications by authors named "Weibi Chen"

Objective: To explore the clinical characteristics, short- and long-term functional outcomes, and risk factors for antibody-related autoimmune encephalitis (AE) in patients with disorders of consciousness (DoC).

Methods: Clinical data were collected from AE patients admitted to Xuanwu Hospital of Capital Medical University from January 2012 to December 2021, and patients were followed up for up to 24 months after immunotherapy.

Results: A total of 312 patients with AE were included: 197 (63.

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Background: EEG reactivity is a predictor for neurological outcome in comatose patients after cardiac arrest (CA); however, its application is limited by variability in stimulus types and visual assessment. We aimed to evaluate the prognostic value of the quantitative analysis of EEG reactivity induced by standardized electrical stimulation and for early prognostication in this population.

Methods: This prospective observational study recruited post-CA comatose patients in Xuanwu Hospital, Capital Medical University (Beijing, China) between January 2016 and June 2023.

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Background: Severe fever with thrombocytopenia syndrome (SFTS) is a natural focal disease transmitted mainly by tick bites, and the causative agent is SFTS virus (SFTSV). SFTS can rapidly progress to severe disease, with multiple-organ failure (MOF) manifestations such as shock, respiratory failure, disseminated intravascular coagulation (DIC) and death, but cases of SFTS patients with central nervous system (CNS) symptoms onset and marked persistent involuntary shaking of the perioral area and limbs have rarely been reported.

Case Presentation: A 69-year-old woman with fever and persistent involuntary shaking of the perioral area and limbs was diagnosed with SFTS with CNS symptom onset after metagenomic next-generation sequencing (mNGS) of cerebrospinal fluid (CSF) and peripheral blood identified SFTSV.

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Background: Next-generation sequencing (NGS) might aid in the identification of causal pathogens. However, the optimal approaches applied to cerebrospinal fluid (CSF) for detection are unclear, and studies evaluating the application of different NGS workflows for the diagnosis of intracranial infections are limited.

Methods: In this multicenter, prospective observational cohort study, we described the diagnostic efficacy of pathogen-targeted NGS (ptNGS) and metagenomic NGS (mNGS) compared to that of composite microbiologic assays, for infectious meningitis/encephalitis (M/E).

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Objective: This study aims to explore the training mode for brain death determination to ensure the quality of subsequent brain death determination.

Methods: A four-skill and four-step (FFT) training model was adopted, which included a clinical neurological examination, an electroencephalogram (EEG) examination, a short-latency somatosensory evoked potential (SLSEP) examination, and a transcranial Doppler (TCD) examination. Each skill is divided into four steps: multimedia theory teaching, bedside demonstration, one-on-one real or dummy simulation training, and assessment.

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Background: Our objective was to explore whether a brain death determination (BDD) strategy with demonstration hospitals can accelerate the process of BDD in China.

Methods: We proposed the construction standards for the BDD quality control demonstration hospitals (BDDHs). The quality and quantity of BDD cases were then analyzed.

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Objective: Intravenous phenobarbital is frequently offered to patients with generalized convulsive status epilepticus (GCSE) in China, but its long-term benefits are unclear. We aimed to evaluate the long-term effects of intravenous phenobarbital on adult patients with GCSE.

Methods: This randomized clinical trial with a 12-month follow-up was performed in Xuanwu Hospital, Capital Medical University (Beijing, China) between February 2011 and December 2021.

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Objective: Status dystonicus (SD) is a severe movement disorder (MD) and has rarely been recognized in anti-N-methyl-D-aspartate-acid receptor (NMDAR) encephalitis, particularly in adult patients. We aim to explore the clinical characteristics and outcome of SD in anti-NMDAR encephalitis.

Methods: Patients with anti-NMDAR encephalitis admitted to Xuanwu Hospital from July 2013 to December 2019 were prospectively enrolled.

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Objective: This prospective study investigated and analyzed the clinical characteristics and prognosis of paroxysmal sympathetic hyperactivity (PSH) in patients with severe nontraumatic brain injury.

Methods: Patients presenting with severe nontraumatic brain injury with PSH from July 2018 to June 2019 were enrolled. A PSH assessment measure ≥ 8 points was used as the criterion for PSH.

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Article Synopsis
  • The study aimed to identify specific biomarkers in cerebrospinal fluid (CSF) that could aid in the diagnosis of tuberculous meningitis (TBM), an illness that is currently difficult to diagnose accurately.
  • Out of 112 patients suspected of having TBM, 22 confirmed cases were analyzed for 8 CSF proteins, revealing significant differences between TBM and non-TBM cases, particularly in 7 proteins.
  • A combination of 3 proteins (APOE, APOAI, S100A8) showed high effectiveness in differentiating TBM from other conditions, with a sensitivity of 95% and a specificity of 77.5%, indicating that these biomarkers could improve TBM diagnosis.
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Background: Traditional testing for specific microbes or categories of central nervous system (CNS) infectious diseases is often limited in sensitivity and timeliness. However, failure to initiate a timely etiological diagnosis and corresponding treatment in patients with neurologic infections contribute to poor outcomes.

Case Summary: A 58 year-old male presented acutely with fever, abnormal mental behavior, seizures and decreased consciousness.

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Background: Brain death (BD), the irreversible cessation of function in the whole brain, is a well-known condition in most countries. The criteria and practical guidelines for brain death determination (BDD) in China were issued by the Brain Injury Evaluation Quality Control Center (BQCC) of the National Health and Family Planning Commission in 2013. Thereafter, we proposed a plan called the three-step quality control plan (three-step QCP) to ensure the safety and consistency of the clinical judgments regarding BD.

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Objective: To evaluate neurological function and its influencing factors in patients with anti-γ -aminobutyric acid B receptor (GABAR) encephalitis.

Methods: This was a clinical cohort study of patients diagnosed with anti-GABAR encephalitis; long-term follow-up was performed by telephone. Clinical factors associated with prognosis were analyzed, including clinical manifestations, laboratory examinations, imaging features, tumor comorbidities and therapeutic responses.

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Background: To explore the clinical characteristics and prognosis of autonomic dysfunction and paroxysmal sympathetic hyperactivity (PSH), and evaluate the efficacy of drugs used to suppress PSH episode in anti-NMDAR encephalitis patients.

Methods: Patients who met the diagnostic criteria of anti-NMDAR encephalitis were enrolled from January 2012 to August 2018 and followed up for 2 years. PSH was diagnosed according to the PSH-Assessment Measure.

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Objective: To investigate the characteristics and prognosis of anti-NMDAR encephalitis with the prevalence of anti-thyroid antibodies (ATAbs).

Methods: The clinical data of anti-NMDAR encephalitis patients admitted to Xuanwu Hospital from January 2012 to August 2018 was prospectively analyzed, and the patients were followed up for 24 months.

Results: A total of 120 patients were enrolled, of which 34.

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Objective: To evaluate the cognitive and neurofunctional outcomes in patients with anti-leucine-rich glioma inactivated 1 (LGI1) encephalitis.

Methods: A cohort follow-up study was performed after a median of 33 months (range 6-78) from disease onset to the last follow-up in patients diagnosed with anti-LGI1 encephalitis, to assess the neurofunctional outcomes using modified Rankin Scale (mRS), activities of daily living (ADL), neuropsychiatric inventory (NPI) and modified telephone interview for cognitive status (TICS-M). Remote symptomatic seizure and clinical relapses were also recorded.

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Background: Our objective was to evaluate the use of event-related potentials and the middle-latency somatosensory evoked potential (MLSEP) for the prediction of awakening in coma, determine the evaluation day that evoked potentials (EPs) best predict an awakening outcome, and determine whether the mismatch negativity (MMN) combined with the MLSEP, when recorded at 7 days after coma, improved the prediction of awakening from coma.

Methods: Design prospective blinded cohort study. Setting neurointensive care unit of a university hospital.

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Background: The co-existence of anti-N-methyl-D-aspartate receptor encephalitis (NMDARe) and anti-myelin oligodendrocyte glycoprotein (MOG) antibody disease has sparsely been reported, which needs to be investigated.

Method: Among the patients with NMDARe in Xuanwu Hospital, MOG antibody disease and NMDARe overlapping syndrome (MNOS) were retrospectively identified. We combined our data with those from previously reported cases to characterize this new entity.

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Massive cerebral infarction (MCI) is a life-threatening disease and may lead to cerebral herniation. Neutrophil degranulation contributes to ischemic injury in the early stage. To investigate whether neutrophil degranulating factors can predict cerebral herniation and the long-term prognosis of patients with MCI and to investigate the relationship between neutrophil degranulation and blood brain barrier (BBB) damage.

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Article Synopsis
  • Apnea testing (AT) is essential for diagnosing brain death (BD), but the completion rates are low in China, prompting this study.
  • The study analyzed data from 1,531 potential BD patients (1,301 adults, 230 pediatrics) between 2013 and 2019, finding a completion rate of AT at only 87.8% in adults and 88.3% in pediatrics.
  • Factors like lower PaO2 and higher A-a gradient were linked to aborted tests, suggesting that improving these metrics could enhance AT completion rates in future BD assessments.
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Background: The effect of hypothermia on large hemispheric infarction (LHI) remains controversial. Our study aimed to explore the therapeutic outcomes of decompressive craniectomy (DC) combined with hypothermia on LHI.

Methods: Patients were randomly divided into three groups: the DC group, the DC plus head surface cooling (DCSC) group and the DC plus endovascular hypothermia (DCEH) group.

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Objective: To determine the clinical and antibody response after therapeutic plasma exchange (TPE) in patients with severe refractory antibody-associated autoimmune encephalitis (AE).

Methods: This single-center prospective cohort included all patients consecutively admitted to our hospital because of severe refractory AE over the period from July 2014 to June 2019. All patients received immunotherapy (steroids, intravenous immunoglobulin (IVIG), and/or TPE).

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Background: Fat embolism syndrome (FES) is a change in physiology resulting from mechanical causes, trauma, or sepsis. Neurological manifestations of FES can vary from mild cognitive changes to coma and even cerebral oedema and brain death. Here, we present an unusual case of cerebral fat emboli that occurred in the absence of acute chest syndrome or right-to-left shunt.

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Objective: To assess the risk factors of early ineffective recanalization, defined as a modified Rankin scale (mRS) score of 4∼6 at two weeks after symptom onset, in acute ischemic stroke (AIS) patients receiving endovascular treatment (EVT).

Method: One hundred eighty-four AIS patients who received EVT in 01/2016-12/2018 were analyzed. The recanalization rate was 81.

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