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Cognitive, behavioral, and psychological phenotypes in small fiber neuropathy: A case-control study.
Telesca, A; Soldini, E; Devigili, G; Cazzato, D; Dalla Bella, E; Grazzi, L; Usai, S; Lauria, G; Consonni, M.
Afiliação
  • Telesca A; Ph.D. Program in Neuroscience, School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy; Neuroalgology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy.
  • Soldini E; Neuroalgology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy.
  • Devigili G; Neuroalgology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy; Movement Disorders Unit, Fondazione IRCCS Istituto Neurologico "Carlo Besta", Milan, Italy.
  • Cazzato D; Neuroalgology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy; Neurophysiology Unit, Fondazione IRCCS Istituto Neurologico "Carlo Besta", Milan, Italy.
  • Dalla Bella E; Neuroalgology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy.
  • Grazzi L; Neuroalgology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy.
  • Usai S; Neuroalgology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy.
  • Lauria G; Neuroalgology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy; Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy. Electronic address: giuseppe.lauriapinter@istituto-besta.it.
  • Consonni M; Neuroalgology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy.
Cortex ; 173: 208-221, 2024 04.
Article em En | MEDLINE | ID: mdl-38422856
ABSTRACT

OBJECTIVE:

Small fiber neuropathy (SFN) is a well-defined chronic painful condition causing severe individual and societal burden. While mood disorders have been described, cognitive and behavioral profiles of SFN patients has not been investigated.

METHODS:

Thirty-four painful SFN patients underwent comprehensive cognitive, behavioral, psychological, quality of life (QoL), and personality assessment using validated questionnaires. As control samples, we enrolled 36 patients with painful peripheral neuropathy (PPN) of mixed etiology and 30 healthy controls (HC). Clinical measures of neuropathic pain, duration, frequency, and intensity of pain at the time of assessment were recorded. Between-group and correlation analyses were performed and corrected for multiple comparisons.

RESULTS:

No differences in clinical measures were found between SFN and PPN, and all groups had similar cognitive profiles. SFN patients showed higher levels of anxiety and alexithymia (p < .005) compared to PPN and HC, considering also pain intensity. Maladaptive coping strategies characterized both patient groups, but only SFN revealed higher levels of acceptance of pain (p < .05). Pain intensity and neuropathic symptoms were associated with mood, low QoL and catastrophism (p < .001), particularly, the higher the perceived pain intensity, the higher the use of maladaptive coping strategies (p < .001). The personality assessment revealed significant feelings of worthlessness and somatization traits both in SFN and PPN (p < .002 vs HC). DISCUSSIONS our results suggest that SFN patients had a normal-like cognitive profile, while their behavioral profile is characterized by mood disorders, alexithymia, maladaptive coping strategies, and poor QoL, as other chronic pain conditions, possibly related to pain intensity. Personality assessment suggests that somatization and feelings of worthlessness, which may worsen the neuropsychological profile, deserve clinical attention when considering patients' therapeutic approaches. At the same time, the high level of acceptance of pain is promising for therapeutic approaches based on psychological support.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Dor / Doenças do Sistema Nervoso Periférico / Neuropatia de Pequenas Fibras / Neuralgia Limite: Humans Idioma: En Ano de publicação: 2024 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Dor / Doenças do Sistema Nervoso Periférico / Neuropatia de Pequenas Fibras / Neuralgia Limite: Humans Idioma: En Ano de publicação: 2024 Tipo de documento: Article