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Wang T, Huang X, Dai LX, Zhan KM, Wang J. Investigation of altered spontaneous brain activity in patients with bronchial asthma using the percent amplitude of fluctuation method: a resting-state functional MRI study. Front Hum Neurosci 2023; 17:1228541. [PMID: 38098762 PMCID: PMC10719853 DOI: 10.3389/fnhum.2023.1228541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 11/06/2023] [Indexed: 12/17/2023] Open
Abstract
Purpose To explore the regions of aberrant spontaneous brain activity in asthma patients and their potential impacts using the Percent amplitude of fluctuation (PerAF) analysis method. Patients and methods In this study, a total of 31 bronchial asthma (BA) patients were ultimately included, comprising 17 males and 14 females. Subsequently, 31 healthy control subjects (HCS) were recruited, consisting of 17 males and 14 females, and they were matched with the BA group based on age, sex, and educational status. The PerAF analysis technique was employed to study the differences in spontaneous brain activity between the two groups. The SPM12 toolkit was used to carry out a two sample t-test on the collected fMRI data, in order to examine the differences in PerAF values between the asthma patients and the healthy controls. We employed the Montreal Cognitive Assessment (MoCA) scale and the Hamilton Depression Scale (HAMD) to evaluate the cognitive and emotional states of the two groups. Pearson correlation analysis was utilized to ascertain the relationship between changes in the PerAF values within specific brain regions and cognitive as well as emotional conditions. Results Compared with the healthy control group, areas of the brain with reduced PerAF in asthma patients included the inferior cerebellum, fusiform gyrus, right inferior orbital frontal gyrus, left middle orbital frontal gyrus, left/right middle frontal gyrus (MFG), dorsal lateral superior frontal gyrus (SFGdl), left superior temporal gyrus (STG), precuneus, right inferior parietal lobule (IPL), and left/right angular gyrus. BA patients exhibit mild cognitive impairments and a propensity for emotional disturbances. Furthermore, the perAF values of the SFGdl region are significantly positively correlated with the results of the MoCA cognitive assessment, while negatively correlated with the HAMD evaluation. Conclusion Through the application of PerAF analysis methods, we discovered that several brain regions in asthma patients that control the amplitude of respiration, vision, memory, language, attention, and emotional control display abnormal changes in intrinsic brain activity. This helps characterize the neural mechanisms behind cognitive, sensory, and motor function impairments in asthma patients, providing valuable insights for potential therapeutic targets and disease management strategies.
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Affiliation(s)
- Tao Wang
- Medical College of Nanchang University, Nanchang, China
- The Second Department of Respiratory Disease, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
| | - Xin Huang
- Department of Ophthalmology, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
| | - Li-xue Dai
- The Second Department of Respiratory Disease, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
| | - Kang-min Zhan
- Medical College of Nanchang University, Nanchang, China
- The Second Department of Respiratory Disease, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
| | - Jun Wang
- The Second Department of Respiratory Disease, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
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Mhanna A, Bruss J, Sullivan AW, Howard MA, Tranel D, Boes AD. Anterolateral temporal lobe localization of dysnomia after temporal lobe epilepsy surgery. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.09.18.23295718. [PMID: 37790577 PMCID: PMC10543244 DOI: 10.1101/2023.09.18.23295718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
Objectives To evaluate what factors influence naming ability after temporal lobectomy in patients with drug-resistant epilepsy. Methods 85 participants with drug-resistant epilepsy who underwent temporal lobe (TL) resective surgery were retrospectively identified (49 left TL and 36 right TL). Naming ability was assessed before and >3 months post-surgery using the Boston Naming Test (BNT).Multivariate lesion-symptom mapping was performed to evaluate whether lesion location related to naming deficits. Multiple regression analyses were conducted to examine if other patient characteristics were significantly associated with pre-to post-surgery changes in naming ability. Results Lesion laterality and location were important predictors of post-surgical naming performance. Naming performance significantly improved after right temporal lobectomy ( p = 0.015) while a decrement in performance was observed following left temporal lobectomy ( p = 0.002). Lesion-symptom mapping showed the decline in naming performance was associated with surgical resection of the anterior left middle temporal gyrus (Brodmann area 21, r =0.41, p = <.001). For left hemisphere surgery, later onset of epilepsy was associated with a greater reduction in post-surgical naming performance ( p = 0.01). Significance There is a wide range of variability in outcomes for naming ability after temporal lobectomy, from significant improvements to decrements observed. If future studies support the association of left anterior middle temporal gyrus resection and impaired naming this may help in surgical planning and discussions of prognosis.
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Reindl C, Walther K, Allgäuer AL, Lang JD, Welte TM, Stritzelberger J, Gollwitzer S, Schwarz M, Trollmann R, Madzar D, Knott M, Doerfler A, Seifert F, Rössler K, Brandner S, Rampp S, Schwab S, Hamer HM. Age of epilepsy onset as modulating factor for naming deficit after epilepsy surgery: a voxel-based lesion-symptom mapping study. Sci Rep 2023; 13:14395. [PMID: 37658152 PMCID: PMC10474263 DOI: 10.1038/s41598-023-40722-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Accepted: 08/16/2023] [Indexed: 09/03/2023] Open
Abstract
Age at onset of epilepsy is an important predictor of deterioration in naming ability following epilepsy surgery. In 141 patients with left hemispheric epilepsy and language dominance who received epilepsy surgery at the Epilepsy Centre Erlangen, naming of objects (Boston naming test, BNT) was assessed preoperatively and 6 months postoperatively. Surgical lesions were plotted on postoperative MRI and normalized for statistical analysis using voxel-based lesion-symptom mapping (VBLSM). The correlation between lesion and presence of postoperative naming deterioration was examined varying the considered age range of epilepsy onsets. The VBLSM analysis showed that volumes of cortex areas in the left temporal lobe, which were associated with postoperative decline of naming, increased with each year of later epilepsy onset. In patients with later onset, an increasing left posterior temporobasal area was significantly associated with a postoperative deficit when included in the resection. For late epilepsy onset, the temporomesial expansion also included the left hippocampus. The results underline that early onset of epilepsy is a good prognostic factor for unchanged postoperative naming ability following epilepsy surgery. For later age of epilepsy onset, the extent of the area at risk of postoperative naming deficit at 6 months after surgery included an increasing left temporobasal area which finally also comprised the hippocampus.
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Affiliation(s)
- Caroline Reindl
- Epilepsy Center Department of Neurology, University Hospital Erlangen, Schwabachanlage 6, 91054, Erlangen, Germany.
| | - Katrin Walther
- Epilepsy Center Department of Neurology, University Hospital Erlangen, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Anna-Lena Allgäuer
- Epilepsy Center Department of Neurology, University Hospital Erlangen, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Johannes D Lang
- Epilepsy Center Department of Neurology, University Hospital Erlangen, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Tamara M Welte
- Epilepsy Center Department of Neurology, University Hospital Erlangen, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Jenny Stritzelberger
- Epilepsy Center Department of Neurology, University Hospital Erlangen, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Stephanie Gollwitzer
- Epilepsy Center Department of Neurology, University Hospital Erlangen, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Michael Schwarz
- Epilepsy Center Department of Neurology, University Hospital Erlangen, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Regina Trollmann
- Department of Neuropaediatrics, University Hospital Erlangen, Erlangen, Germany
| | - Dominik Madzar
- Department of Neurology, University Hospital Erlangen, Erlangen, Germany
| | - Michael Knott
- Department of Neuroradiology, University Hospital Erlangen, Erlangen, Germany
| | - Arnd Doerfler
- Department of Neuroradiology, University Hospital Erlangen, Erlangen, Germany
| | - Frank Seifert
- Department of Neurology, University Hospital Erlangen, Erlangen, Germany
| | - Karl Rössler
- Department of Neurosurgery, University Hospital Vienna (AKH), Vienna, Austria
| | - Sebastian Brandner
- Department of Neurosurgery, University Hospital Erlangen, Erlangen, Germany
| | - Stefan Rampp
- Department of Neurosurgery, University Hospital Erlangen, Erlangen, Germany
- Department of Neuroradiology, University Hospital Erlangen, Erlangen, Germany
- Department of Neurosurgery, University Hospital Halle (Saale), Halle, Germany
| | - Stefan Schwab
- Department of Neurology, University Hospital Erlangen, Erlangen, Germany
| | - Hajo M Hamer
- Epilepsy Center Department of Neurology, University Hospital Erlangen, Schwabachanlage 6, 91054, Erlangen, Germany
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Winder K, Bobinger T, Seifert F, Mrochen A, Haupenthal D, Knott M, Dörfler A, Hilz MJ, Schwab S, Fröhlich K. Incidence, temporal profile and neuroanatomic correlates of poststroke epilepsy. J Neuroimaging 2023. [PMID: 37129978 DOI: 10.1111/jon.13110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 04/11/2023] [Accepted: 04/21/2023] [Indexed: 05/03/2023] Open
Abstract
BACKGROUND AND PURPOSE The relationship between ischemic stroke site and occurrence of poststroke epilepsy (PSE) is incompletely understood. This study intended to evaluate incidence and temporal profiles of seizures and to correlate ischemic lesion sites with PSE using voxel-based lesion symptom mapping (VLSM). METHODS Patients with imaging-confirmed first-ever ischemic stroke without prior history of epilepsy were prospectively included. Demographic data, cardiovascular risk factors, and National Institute of Health Stroke Scale (NIHSS) scores were assessed. Data on seizures and modified Rankin scale scores were determined within a 90-day period after stroke onset. Ischemic lesion sites were correlated voxel wise with occurrence of PSE using nonparametric permutation test. Age- and sex-matched patients with first-ever ischemic strokes without PSE after 90 days served as controls for the VLSM analysis. RESULTS The stroke database contained 809 patients (mean age: 68.4 ± 14.2 years) with first-ever imaging-confirmed ischemic strokes without history of epilep. Incidence of PSE after 90-day follow-up was 2.8%. Five additional patients were admitted to the emergency department with a seizure after 90-day follow-up. Fifty percent of the seizures occurred in the acute phase after stroke. PSE patients had higher NIHSS scores and infarct volumes compared to controls without PSE (p < .05). PSE patients had infarcts predominantly involving the cerebral cortex. The hemisphere-specific VLSM analysis shows associations between PSE and damaged voxels in the left-hemispheric temporo-occipital transition zone. CONCLUSIONS The data indicate that PSE occurs in a small proportion of patients with rather large ischemic strokes predominantly involving the cerebral cortex. Especially patients with ischemic lesions in the temporo-occipital cortex are vulnerable to develop PSE.
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Affiliation(s)
- Klemens Winder
- Department of Neurology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, University Hospital Erlangen, Erlangen, Germany
- Department of Neurology and Stroke Center, Klinik Hirslanden, Zürich, Switzerland
| | - Tobias Bobinger
- Department of Neurology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, University Hospital Erlangen, Erlangen, Germany
| | - Frank Seifert
- Department of Neurology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, University Hospital Erlangen, Erlangen, Germany
| | - Anne Mrochen
- Department of Neurology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, University Hospital Erlangen, Erlangen, Germany
| | - David Haupenthal
- Department of Neurology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, University Hospital Erlangen, Erlangen, Germany
| | - Michael Knott
- Department of Neuroradiology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, University Hospital Erlangen, Erlangen, Germany
| | - Arnd Dörfler
- Department of Neuroradiology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, University Hospital Erlangen, Erlangen, Germany
| | - Max J Hilz
- Department of Neurology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, University Hospital Erlangen, Erlangen, Germany
| | - Stefan Schwab
- Department of Neurology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, University Hospital Erlangen, Erlangen, Germany
| | - Kilian Fröhlich
- Department of Neurology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, University Hospital Erlangen, Erlangen, Germany
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