Cognitive outcome two years after frontal lobe resection for epilepsy - A prospective longitudinal study

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Cognitive outcome two years after frontal lobe resection for epilepsy - A prospective longitudinal study

Ljunggren, Sofia (author): Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap och rehabilitering,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience and Rehabilitation

Andersson-Roswall, Lena, 1965 (author): Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap och rehabilitering,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience and Rehabilitation

Rydenhag, Bertil, 1954 (author): Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap och rehabilitering,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience and Rehabilitation

Samuelsson, Hans, 1955 (author): Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap och rehabilitering,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience and Rehabilitation

Malmgren, Kristina, 1952 (author): Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap och rehabilitering,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience and Rehabilitation

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Elsevier BV, 2015
2015
English.
In: Seizure-European Journal of Epilepsy. - : Elsevier BV. - 1059-1311. ; 30, s. 50-56

Related links:: http://www.seizure-j...; show more...; https://gup.ub.gu.se...; https://doi.org/10.1...; show less...

Journal article (peer-reviewed)

Abstract Subject headings

Purpose: To investigate cognitive outcomes after frontal lobe resection (FLR) for epilepsy in a consecutive single centre series. Methods: Neuropsychological examinations were performed prior to and two years (mean test interval 2.5 years) after surgery in 30 consecutive patients who underwent FLR. Cognitive outcome was evaluated with particular consideration to the site of surgery (lateral, premotor/SMA [supplementary motor area], mesial/orbital). Cognitive domains assessed were speed, language, memory, attention, executive functions and intelligence. 25 healthy controls were assessed at corresponding time points (mean test interval 3.0 years). Analyses were made both at group and individual levels. Results: At baseline the patients performed below controls in variables depending on speed, executive functions, global and verbal intelligence. Two years after surgery, the analyses at the subgroup level indicated that the lateral resection group had less improvement than the controls in global intelligence, FSIQ (p = .037). However, at the individual level, the majority of the change scores (74-100%) were classified as within the normal range for all but one variable. The exception was the variable "Comprehension" (measuring verbal reasoning ability) with reliable declines in 44% (8/18) of the patients. This pattern of decline was observed in the lateral (4/7 patients) and premotor/SMA (4/7 patients) resection groups. Seizure outcome and side of surgery did not influence these results. Conclusion: The main finding was cognitive stability at group level two years after FLR. A reliable decline in verbal reasoning ability was rather common at an individual level, but only in the lateral and premotor/SMA resection groups. The lateral resection group also had less improvement than the controls in global intelligence. (C) 2015 British Epilepsy Association. Published by Elsevier Ltd. All rights reserved.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Neurosciences (hsv//eng)

Keyword

Neuropsychology
Frontal lobe epilepsy
Epilepsy surgery
EXECUTIVE FUNCTIONS
SURGERY
MEMORY
PERFORMANCE
FLUENCY
DECLINE
Clinical Neurology
Neurosciences

Publication and Content Type

ref (subject category)
art (subject category)

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MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Clinical Medicin ...; and Neurology

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