| 1. |
- COMPAGNO STRANDBERG, MARIA, et al.
(author)
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Evidence-based Anti-seizure Monotherapy in Newly Diagnosed Epilepsy: a New Approach
- 2020
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In: Acta Neurologica Scandinavica. - : Hindawi Limited. - 1600-0404 .- 0001-6314. ; 142:4, s. 323-332
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Journal article (peer-reviewed)abstract
- ObjectivesTo describe the process and results of the updated Swedish practice guidelines for monotherapy in epilepsy.Materials and MethodsThe Swedish Medical Products Agency led the process together with medical experts. Evidence rating in accordance with the International League Against Epilepsy (ILAE) template was linked to the Cochrane group's GRADE system. Evidence from recently published trials and meta‐analyses was added. A national expert panel participated in the project and contributed their clinical experience.ResultsIn seizures with focal onset, carbamazepine, lamotrigine, or levetiracetam is recommended for children and adults (ILAE level A‐C for adults/Cochrane level strong for children and adults). Oxcarbazepine is an alternative for children, although its level A evidence, in a single class I trial, could relate to poor phenytoin tolerability. Eslicarbazepine acetate, lacosamide, and zonisamide are alternatives for adults and gabapentin for the elderly (ILAE level A). Carbamazepine is not a first choice for the elderly due to its high potential for interactions. In generalized epilepsy with tonic‐clonic seizures (GTC), lamotrigine, levetiracetam, and sodium valproate are recommended for children and adults (ILAE level C‐D/Cochrane level moderate‐strong) although sodium valproate is contraindicated in girls and women of childbearing age unless special considerations are met. Ethosuximide is the first choice in absence epilepsy without GTC (ILAE level A).ConclusionsLamotrigine and levetiracetam can be used as first choice for focal seizures and generalized epilepsy with GTC, suitable in all age‐groups and for both men and women. Recommendations for GTC seizures have lower evidence than those for focal seizures.
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| 2. |
- Ahl, Matilda, et al.
(author)
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Immune response in blood before and after epileptic and psychogenic non-epileptic seizures
- 2023
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In: Heliyon. - : Elsevier. - 2405-8440. ; 9:3
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Journal article (peer-reviewed)abstract
- Inflammatory processes may provoke epileptic seizures and seizures may promote an immune reaction. Hence, the systemic immune reaction is a tempting diagnostic and prognostic marker in epilepsy. We explored the immune response before and after epileptic and psychogenic non-epileptic seizures (PNES). Serum samples collected from patients with videoEEG-verified temporal or frontal lobe epilepsy (TLE or FLE) or TLE + PNES showed increased interleukin-6 (IL-6) levels in between seizures (interictally), compared to controls. Patients with PNES had no increase in IL-6. The IL-6 levels increased transiently even further within hours after a seizure (postictally) in TLE but not in FLE patients. The postictal to interictal ratio of additionally five immune factors were also increased in TLE patients only. We conclude that immune factors have the potential to be future biomarkers for epileptic seizures and that the heterogeneity among different epileptic and non-epileptic seizures may be disclosed in peripheral blood sampling independent of co-morbidities.
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| 3. |
- Ahl, Matilda, et al.
(author)
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Inflammatory reaction in the retina after focal non-convulsive status epilepticus in mice investigated with high resolution magnetic resonance and diffusion tensor imaging
- 2021
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In: Epilepsy Research. - : Elsevier. - 0920-1211 .- 1872-6844. ; 176
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Journal article (peer-reviewed)abstract
- Pathophysiological consequences of focal non-convulsive status epilepticus (fNCSE) have been difficult to demonstrate in humans. In rats fNCSE pathology has been identified in the eyes. Here we evaluated the use of high-resolution 7 T structural T1-weighted magnetic resonance imaging (MRI) and 9.4 T diffusion tensor imaging (DTI) for detecting hippocampal fNCSE-induced retinal pathology ex vivo in mice. Seven weeks post-fNCSE, increased number of Iba1+ microglia were evident in the retina ipsilateral to the hemisphere with fNCSE, and morphologically more activated microglia were found in both ipsi- and contralateral retina compared to non-stimulated control mice. T1-weighted intensity measurements of the contralateral retina showed a minor increase within the outer nuclear and plexiform layers of the lateral retina. T1-weighted measurements were not performed in the ipsilateral retina due to technical difficulties. DTI fractional anisotropy(FA) values were discretely altered in the lateral part of the ipsilateral retina and unaltered in the contralateral retina. No changes were observed in the distal part of the optic nerve. The sensitivity of both imaging techniques for identifying larger retinal alteration was confirmed ex vivo in retinitis pigmentosa mice where a substantial neurodegeneration of the outer retinal layers is evident. With MR imaging a 50 % decrease in DTI FA values and significantly thinner retina in T1-weighted images were detected. We conclude that retinal pathology after fNCSE in mice is subtle and present bilaterally. High-resolution T1-weighted MRI and DTI independently did not detect the entire pathological retinal changes after fNCSE, but the combination of the two techniques indicated minor patchy structural changes.
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| 4. |
- Ahl, Matilda, et al.
(author)
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Physical Activity Reduces Epilepsy Incidence : a Retrospective Cohort Study in Swedish Cross-Country Skiers and an Experimental Study in Seizure-Prone Synapsin II Knockout Mice
- 2019
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In: Sports medicine - open. - : Springer. - 2199-1170 .- 2198-9761. ; 5:1
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Journal article (peer-reviewed)abstract
- BACKGROUND: Epilepsy patients commonly exercise less than the general population. Animal studies indicate beneficial effects of physical activity in established epilepsy, while its effect on the development is currently less known.METHODS: Here, we investigated the incidence of epilepsy during 20 years in a cohort of participants from the long-distance Swedish cross-country ski race Vasaloppet (n = 197,685) and compared it to the incidence of non-participating-matched controls included in the Swedish population register (n = 197,684). Individuals diagnosed with diseases such as stroke and epilepsy before entering the race were excluded from both groups. Experimentally, we also determined how physical activity could affect the development of epilepsy in epilepsy-prone synapsin II knockout mice (SynIIKO), with and without free access to a running wheel.RESULTS: We identified up to 40-50% lower incidence of epilepsy in the Vasaloppet participants of all ages before retirement. A lower incidence of epilepsy in Vasaloppet participants was seen regardless of gender, education and occupation level compared to controls. The participants included both elite and recreational skiers, and in a previous survey, they have reported a higher exercise rate than the general Swedish population. Sub-analyses revealed a significantly lower incidence of epilepsy in participants with a faster compared to slower finishing time. Dividing participants according to specified epilepsy diagnoses revealed 40-50% decrease in focal and unspecified epilepsy, respectively, but no differences in generalized epilepsy. Voluntary exercise in seizure-prone SynIIKO mice for 1 month before predicted epilepsy development decreased seizure manifestation from > 70 to 40%. Brain tissue analyses following 1 month of exercise showed increased hippocampal neurogenesis (DCX-positive cells), while microglial (Iba1) and astrocytic activation (GFAP), neuronal Map2, brain-derived neurotrophic factor and its receptor tyrosine receptor kinase B intensity were unaltered. Continued exercise for additionally 2 months after predicted seizure onset in SynIIKO mice resulted in a 5-fold reduction in seizure manifestation (from 90 to 20%), while 2 months of exercise initiated at the time of predicted seizure development gave no seizure relief, suggesting exercise-induced anti-epileptogenic rather than anti-convulsive effect.CONCLUSION: The clinical study and the experimental findings in mice indicate that physical activity may prevent or delay the development of epilepsy.
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| 5. |
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| 6. |
- Compagno Strandberg, Maria, et al.
(author)
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Validation of the Swedish version of the Beliefs about Medicines Questionnaire, based on people with epilepsy
- 2021
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In: Epilepsy and Behavior. - : Elsevier BV. - 1525-5050 .- 1525-5069. ; 115
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Journal article (peer-reviewed)abstract
- Title: Validation of the Swedish version of the Beliefs about Medicines Questionnaire, based on people with epilepsy. Purpose: The aims of the study were to explore the latent structure of the Swedish Beliefs about Medicines Questionnaire (BMQ), to investigate its reliability and to identify the extent to which individual factors among people with epilepsy (PWE), as well as their general beliefs about medication, predict their beliefs about their specific anti-seizure drugs (ASDs). Methods: One-hundred and fifty six included study participants diagnosed with epilepsy and with a well-established neurological follow-up completed an array of rating scales. Included were the Swedish BMQ, which captures beliefs about medicines, scales for symptoms of anxiety and depression and sense of self-efficacy, as well as a general questionnaire regarding their social situation in general. Statistical analysis included Principal Component Analyses (PCA) and hierarchical multiple regression analysis. Results: The PCA revealed a two-factor structure for each of the BMQ-subscales with acceptable (BMQ-G) to high (BMQ-S) internal consistency. The only individual factor that predicted variance in beliefs about medication was patient gender, where levels of both anxiety and depression were elevated in women. Conclusion: The Swedish BMQ exhibits psychometric features indicating its reliable use in adult PWE. Our results suggest that the BMQ provides information about the patients’ view of their medication regardless of their general mood and that women hold stronger beliefs of concern beyond influence from their levels of depression and anxiety.
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| 7. |
- Granthon, Cecilia, 1986, et al.
(author)
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Reduced long-term mortality after successful resective epilepsy surgery: a population-based study.
- 2024
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In: Journal of neurology, neurosurgery, and psychiatry. - 0022-3050 .- 1468-330X. ; 95:3, s. 249-255
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Journal article (peer-reviewed)abstract
- We investigated all-cause and epilepsy-related mortality in patients operated with resective epilepsy surgery and in non-operated patients with drug-resistant epilepsy. Our hypothesis was that patients who proceed to surgery have lower mortality over time compared with non-operated patients.Data from 1329 adults and children from the Swedish National Epilepsy Surgery Register and 666 patients with drug-resistant epilepsy who had undergone presurgical work-up but not been operated were analysed. The operated patients had follow-ups between 2 and 20 years. We used the Swedish Cause of Death Register to identify deaths. Autopsy reports were collected for patients with suspected sudden unexpected death in epilepsy (SUDEP). Kaplan-Meier and Cox regression analyses were performed to identify predictors for mortality and SUDEP.SUDEP accounted for 30% of all deaths. Surgery was associated with lower all-cause mortality (HR 0.7, 95% CI 0.5 to 0.9), also when adjusted for age, sex and tonic-clonic seizures at inclusion. The benefit of surgery seemed to persist and possibly even increase after 15 years of follow-up. Risk factors of mortality for operated patients were persisting seizures and living alone. Of the operated patients, 37% had seizures, and these had a higher risk of mortality (HR 2.1, 95% CI 1.4 to 3.0) and SUDEP (HR 3.5, 95% CI 1.7 to 7.3) compared with patients with seizure freedom at last follow-up.In this large population-based epilepsy surgery cohort, operated patients had a lower all-cause mortality compared with non-operated patients with drug-resistant epilepsy. Seizure freedom was the most important beneficial factor for both all-cause mortality and SUDEP among operated patients.
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| 8. |
- Grubor, Irena, et al.
(author)
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Ganglioglioma surgery associated with postoperative status epilepticus : a case report
- 2022
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In: Acta Epileptologica. - : Springer Science and Business Media LLC. - 2524-4434. ; 4:1
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Journal article (peer-reviewed)abstract
- Background: Gangliogliomas are brain tumors associated with drug-resistant focal epilepsy. In most cases, seizures improve after surgical treatment. It is still not concluded to what extent the lesion itself or the perilesional area contributes to the epileptogenicity. Case presentation: In the case presented in this report, the patient, a 24-year-old Caucasian male, developed a refractory status epilepticus after a surgical attempt to remove a cerebral ganglioglioma. The postoperative magnetic resonance imaging revealed that the lesion was intact, and that inadvertently only the perilesional area and adjacent cortex had been resected. The patient underwent a new surgical procedure where the ganglioglioma was removed, and the status epilepticus cessated. Conclusions: This clinical case suggests that the lesion itself plays an important role in seizure generation and propagation, and notably, that the surrounding cortex by an inhibitory action can act as a gate to seizure spread.
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| 9. |
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| 10. |
- Lampinen, Björn, et al.
(author)
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Tensor-valued diffusion MRI differentiates cortex and white matter in malformations of cortical development associated with epilepsy
- 2020
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In: Epilepsia. - : Wiley. - 0013-9580 .- 1528-1167. ; 61:8, s. 1701-1713
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Journal article (peer-reviewed)abstract
- Objective Delineation of malformations of cortical development (MCD) is central in presurgical evaluation of drug-resistant epilepsy. Delineation using magnetic resonance imaging (MRI) can be ambiguous, however, because the conventional T-1- and T-2-weighted contrasts depend strongly on myelin for differentiation of cortical tissue and white matter. Variations in myelin content within both cortex and white matter may cause MCD findings on MRI to change size, become undetectable, or disagree with histopathology. The novel tensor-valued diffusion MRI (dMRI) technique maps microscopic diffusion anisotropy, which is sensitive to axons rather than myelin. This work investigated whether tensor-valued dMRI may improve differentiation of cortex and white matter in the delineation of MCD. Methods Tensor-valued dMRI was performed on a 7 T MRI scanner in 13 MCD patients (age = 32 +/- 13 years) featuring periventricular heterotopia, subcortical heterotopia, focal cortical dysplasia, and polymicrogyria. Data analysis yielded maps of microscopic anisotropy that were compared with T-1-weighted and T-2-fluid-attenuated inversion recovery images and with the fractional anisotropy from diffusion tensor imaging. Results Maps of microscopic anisotropy revealed large white matter-like regions within MCD that were uniformly cortex-like in the conventional MRI contrasts. These regions were seen particularly in the deep white matter parts of subcortical heterotopias and near the gray-white boundaries of focal cortical dysplasias and polymicrogyrias. Significance By being sensitive to axons rather than myelin, mapping of microscopic anisotropy may yield a more robust differentiation of cortex and white matter and improve MCD delineation in presurgical evaluation of epilepsy.
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| 11. |
- Larsson, L C, et al.
(author)
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Porcine neural xenografts in rats and mice : donor tissue development and characteristics of rejection
- 2001
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In: Experimental Neurology. - : Elsevier BV. - 0014-4886. ; 172:1, s. 14-100
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Journal article (peer-reviewed)abstract
- Embryonic ventral mesencephalic tissue from the pig is a potential alternative donor tissue for neural transplantation to Parkinson's disease patients. For stable graft survival, the host immune response has to be prevented. This study was performed in order to analyze the mechanisms and dynamics of neural xenograft rejection, as well as neurobiological properties of the donor tissue. Adult normal mice and rats, and cyclosporin A-treated rats, received intrastriatal transplants of dissociated embryonic ventral mesencephalic pig tissue that was 27 or 29 embryonic days of age (E27 and E29). The animals were perfused at 2, 4, 6, and 12 weeks after grafting and the brains were processed for immunohistochemistry of dopaminergic (tyrosine hydroxylase positive) neurons, CD4(+) and CD8(+) lymphocytes, natural killer cells, macrophages, microglia, and astrocytes. Thirty-five rats received daily injections of BrdU for 5 consecutive days at different time points after transplantation and were perfused at 6 weeks. These animals were analyzed for proliferation of cells in the donor tissue, both in healthy and in rejecting grafts. No tyrosine hydroxylase-positive cells proliferated after grafting. Our results demonstrated that E27 was superior to E29 donor tissue for neurobiological reasons. Cyclosporin A immunosuppression was protective only during the first weeks and failed to protect the grafts in a long-term perspective. Grafts in mice were invariably rejected between 2 and 4 weeks after transplantation, while occasional grafts in untreated rats survived up to 12 weeks without signs of an ongoing rejection process. CD8(+) lymphocytes and microglia cells are most likely important effector cells in the late, cyclosporin A-resistant rejection process.
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| 12. |
- Ljung, Hanna, et al.
(author)
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Test-specific differences in verbal memory assessments used prior to surgery in temporal lobe epilepsy
- 2018
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In: Epilepsy and Behavior. - : Elsevier BV. - 1525-5069 .- 1525-5050. ; 87, s. 18-24
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Journal article (peer-reviewed)abstract
- OBJECTIVE: To study the relationship between two commonly used verbal memory tests in presurgical evaluation for temporal lobe epilepsy (TLE) in Sweden, the Claeson-Dahl Test for verbal learning and retention (CDT) and the Swedish version of the Rey Auditory Verbal Learning Test (RAVLT).METHODS: Fifty-nine patients with TLE (male: 41%, mean: age 41.7 ± 12.3 years; epilepsy onset at mean age: 18.3 ± 13.1 years) previously tested with the CDT, the RAVLT, and three nonverbal memory tests on the same occasion were included. We performed (1) a principal component analysis (PCA) on test performances in the CDT and the RAVLT as well as in nonverbal memory tests; (2) a Pearson's correlation analysis for memory components, biological age, education, age at epilepsy onset, and self-rating scores for depression and anxiety; and (3) an estimation of clinically significant verbal memory impairment in patients with left TLE and left-sided hippocampal sclerosis.RESULTS: The PCAs showed coherence between the learning variables of the CDT and the RAVLT and divergence between the recall variables of the two tests. The RAVLT delayed recall variable was correlated to four out of five nonverbal memory measures. Both tests showed 70-80% clinically significant impairment of verbal memory in patients with left TLE, with or without hippocampal sclerosis, similar to other cohorts with resistant TLE.CONCLUSIONS: The construct structure of the two verbal memory differs. It was shown that the RAVLT correlated with visuospatial memory, whereas the CDT did not. The study highlights that there are important nonoverlapping features regarding verbal recall of the two tests, indicating that these tests cannot fully replace one another.
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| 13. |
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| 14. |
- Olsson, Patrik, et al.
(author)
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Physicians' attitudes toward generic substitutions of antiseizure drugs in epilepsy
- 2021
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In: Acta Neurologica Scandinavica. - : Hindawi Limited. - 1600-0404 .- 0001-6314. ; 144:5, s. 600-607
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Journal article (peer-reviewed)abstract
- OBJECTIVES: The safety of generic substitution of antiseizure drugs (ASDs) has been questioned for many years. This study aimed to identify physicians' attitudes to the generic substitution of ASDs in epilepsy and which factors were of significance when deciding on compound substitutions.MATERIAL AND METHODS: A cross-sectional web-based survey was sent to neurologists and neurology residents in public health care and at private practices in two Swedish regions between February and March 2020. The 30-item survey covered drug- and patient-related factors, as well as considerations relating to practical, cost-related, and pharmacokinetic issues.RESULTS: The total response rate was 55.8%. Respondents were generally positive to cutting costs through generic ASD utilization (74%) and prescribing generic compounds when starting a new ASD treatment (84.9%). The most substantial concern was a deterioration in seizure control (17.1%). Physicians refrained from switching if the patient wished to remain on the original compound (76.1%), had a cognitive impairment (52.5%), was on a drug with a narrow therapeutic index (47%), or had shown prior susceptibility to adverse effects (45.6%). Opinions on substitution decisions differed significantly between the Stockholm and Skåne regions. Less than one-third of the respondents were aware of supporting guidelines.CONCLUSIONS: Neurologists generally accept the use of generic antiseizure compounds. Patient preference to remain on brand-name drug treatment was the most important factor that led to avoiding a switch. Our results may constitute material for consensus discussions to decide on quality indicators of interest for future research on substitution outcomes.
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| 15. |
- Pearson, Kevin, et al.
(author)
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The evolution of epilepsy surgery in tuberous sclerosis in Sweden: A national registry study
- 2023
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In: Seizure. - 1532-2688. ; 112, s. 54-61
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Journal article (peer-reviewed)abstract
- PurposeThis study aimed to characterize the Swedish cohort of surgically treated patients with TSC and explore differences in preoperative investigation and outcome over time.MethodsData on patient and seizure characteristics were retrieved from the Swedish National Epilepsy Surgery Register. Two-year follow-up results were compared between the years 1997–2010 and 2011–2018. Preoperative investigations were re-evaluated.ResultsEighteen tuberectomies and seven callosotomies were identified. Seizure freedom after tuberectomy was achieved in 11 % (1/9) 1997–2010 and 56 % (5/9) 2011–2018. The number of tuberectomies increased each decade. Patients operated on in 1997–2010 had higher seizure frequency (median 175 seizures/month vs. 102) and incidence of infantile spasms (4/9 vs. 1/9, none after 2011). There was a trend towards surgery at a younger age (median 86 months 1997–2010 vs. 48 months 2011–2018). None with >200 seizure/month, SEGA, or history of infantile spasms achieved seizure freedom. Two patients underwent anterior callosotomy (1992 and 1994) and became free of drop attacks. Five callosotomies were performed between 2011 and 2013, one patient became free of drop attacks. Two complications with new neurological deficits were reported. The median age at surgery was higher in the callosotomy group (14 years) than in the tuberectomy group (5 years).ConclusionSeizure freedom after tuberectomy in patients with TSC has increased over time in our cohort. Signs of a heavier disease burden were more frequently observed 1997–2010 and associated with worse outcomes. Callosotomy operations were prevalent at the beginning of the 2010s.
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| 16. |
- Pearsson, Kevin, et al.
(author)
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Satisfaction and seizure outcomes of epilepsy surgery in tuberous sclerosis : A Swedish population-based long-term follow-up study
- 2022
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In: Seizure. - : Elsevier BV. - 1532-2688 .- 1059-1311. ; 103, s. 39-45
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Journal article (peer-reviewed)abstract
- PURPOSE: We conducted a cross-sectional study to evaluate long-term outcomes of epilepsy surgery in tuberous sclerosis complex (TSC) in a Swedish population.METHODS: Demographic and seizure data was retrieved from the Swedish National Epilepsy Surgery Registry and medical records. Patient reported outcome measurements (PROM) were determined by telephonic interviews at long term follow-up.RESULTS: Median follow-up was 6 y 8 m (range, 3-15 y 1 m) for tuberectomies (n = 15) and 3 y 6 m (range 2-10 y) for callosotomies (n = 7). Eight of the 15 tuberectomy participants were seizure-free. Four out of seven callosotomies were free from drop attacks. PROMs were provided by caregivers of 18/20 participants (data missing for two callosotomies). In the tuberectomy group, 6/8 patients were seizure-free and 3/7 had continued seizures; surgery was considered satisfactory and beneficial. Overall, satisfaction was high, even among patients who did not achieve remission; 13/15 tuberectomy responders recommended surgery to others with TSC and refractory epilepsy. None of the patients considered the surgery harmful. In the callosotomy group, satisfaction was low and congruent with the seizure outcome. All patients with continued drop attacks were unsatisfied; one considered surgery to be harmful. One participant, who would not recommend surgery to others, still perceived the surgery to be beneficial.CONCLUSIONS: This study confirmed that both tuberectomy and callosotomy are effective treatment options for TSC. Factors other than seizure outcomes seemed to have a major influence on satisfaction and perception of the benefit of surgery.
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| 17. |
- Pearsson, Kevin, et al.
(author)
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Seizure freedom but not epilepsy surgery is associated with fewer neuropsychiatric difficulties in patients with tuberous sclerosis
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In: Epilepsy and Behavior. - 1525-5069. ; 157
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Journal article (peer-reviewed)abstract
- BACKGROUND: Drug-resistant epilepsy (DRE) in selected individuals with the rare tuberous sclerosis complex (TSC) may benefit from resective epilepsy surgery. Furthermore, associated neuropsychiatric disorders (TAND) are common in patients with TSC; however, long-term data on how surgery affects neuropsychiatric comorbidities are sparse.MATERIALS AND METHODS: Two retrospective approaches were used to identify children with TSC and DRE with onset at < 18 years of age. The study group (surgical) was identified through the Swedish National Epilepsy Surgery Registry (n = 17), a registry with complete national coverage since 1990 and prospective patient enrolment since 1995. The reference group (non-surgical) was identified by searching medical records retrieved from the tertiary hospital of Southern Sweden (n = 52). Eligible participants were invited to complete the validated TAND lifetime checklist. Those who did not complete the checklist, never had DRE, or were aged < 7 years old were excluded from the study. The reference group was balanced with the study group for putative confounders, in the following hierarchical order: DRE at the survey, age at seizure onset, age at follow-up, and sex.RESULTS: After the balancing procedure, both groups comprised 13 participants. The median time from epilepsy onset to the survey was 18.5 (range: 7.75-40.25) and 16.0 (7.33-33.5) years in the study and reference groups, respectively. The median time from surgery to the survey was 13 years (range: 4-22). No significant differences were found in behavioural problems, autism spectrum disorder diagnosis or symptoms, or intellectual disability between the groups, regardless of surgery. Seizure-free individuals (n = 11) performed better in social skills (p = 0.016), intellectual skills (p = 0.029), and overall TAND scores (p = 0.005) than the non-seizure-free group (n = 15).CONCLUSION: This is the first study to evaluate TAND comorbidities during the long-term follow-up after epilepsy surgery in patients with TSC. We found no evidence of the adverse effects of TAND comorbidities after tuberectomy. However, a larger study that allows for a better adjustment for confounders is needed. Following previous studies, seizure-free individuals had fewer symptoms within most TAND domains compared with the group with uncontrolled epilepsy, indicating less severe symptomatology.
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