Functional magnetic resonance imaging and diffusion tensor imaging in a case of central poststroke pain

Seghier, Mohamed L.; Lazeyras, François; Vuilleumier, Patrik; Schnider, Armin; Carota, Antonio

doi:10.1016/j.jpain.2004.11.004

Cited by 76 publications

(61 citation statements)

References 26 publications

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“…A combined PET and fMRI study of a unique patient with strokes of both the ACC and parietal cortex demonstrated cold allodynia, in the absence of hyperactivity in the remaining ACC (Peyron et al, 2000). In contrast, one fMRI study of a patient with CPSP resulting from a stroke of the posterolateral thalamus and adjacent internal capsule found activation of the ACC, the posterior parietal cortex, and the putamen during allodynia evoked by a cool stimulus (Seghier et al, 2005). Another fMRI study examined cold allodynia in normal controls evoked by cutaneous application of menthol, which rendered the skin hypersensitive to normally non-painful cold stimuli (Seifert and Maihofner, 2007).…”

Section: Mechanisms Of Cold Allodynia In Patients With Central Painmentioning

confidence: 97%

Deconstructing Central Pain with Psychophysical and Neuroimaging Studies

Cheng¹,

Veldhuijzen²,

Greenspan³

et al. 2012

Neuroimaging - Cognitive and Clinical Neuroscience

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Section: Mechanisms Of Cold Allodynia In Patients With Central Painmentioning

confidence: 97%

Deconstructing Central Pain with Psychophysical and Neuroimaging Studies

Cheng¹,

Veldhuijzen²,

Greenspan³

et al. 2012

Neuroimaging - Cognitive and Clinical Neuroscience

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“…Nörojenik a¤r›l› durumlar maligniteler gibi yaflam› tehdit eden hastal›klarda görülen a¤r› kadar olmasa da hastalarda ciddi s›k›nt›lara neden olabilmektedir (2)(3)(4). ‹nme sonras› santral a¤r› (‹SSA); iskemik veya hemorajik inme sonras› hasarlanan vü-cut bölgesinde görülen sensoriyel anormallikler ve devaml› veya aral›kl› a¤r› ile karakterize bir durumdur (5).…”

Section: G Gi Ir Ri Ifl Flunclassified

“…Hastalar›n ço¤u a¤r›y› yan›c›, s›zlay›c›, y›rt›c› veya zonklay›c› fleklinde tan›mlamaktad›r (5). ‹nme sonras› geliflen bu a¤r›n›n fliddeti fonksiyonel iyileflmeyi ciddi oranda yavafllatmaktad›r (2). ‹SSA yaflam kalitesini çok etkilemesine ve s›k görülmesine ra¤men bu konuyla ilgili yap›lan randomize kontrollü çal›flmalar›n say›s› oldukça azd›r ve küçük popülasyonlarda yap›lm›flt›r (5).…”

Section: G Gi Ir Ri Ifl Flunclassified

“…Yine bir çal›flmada, hastalar›n bu a¤r› karfl›nda genelde sessiz oldu¤u ve a¤r›n›n günlük yaflam aktivitelerini s›n›rlamad›-¤› tespit edilmifltir (1). Bu çal›flmalar›n tersine baflka bir çal›flma-da ise ‹SSA fliddetinin fonksiyonel iyileflmeyi ciddi oranda etkiledi¤i savunulmufltur (2). Biz çal›flmam›zda hastalar›n günlük yaflam aktivitelerinden özellikle kendine bak›m, transfer, sosyal aktivite ve FB‹'nin toplam›n›n a¤r›dan etkilendi¤ini saptad›k.…”

Section: G Gi Ir Ri Ifl Flunclassified

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Features of Central Pain in Patients with Hemiplegia

Şahin¹,

Uğurlu²

2010

tftr

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Ö Öz ze et tA Am ma aç ç: : Bu çal›flman›n amac› serebrovasküler olay sonras› görülen santral a¤r›n›n fliddetinin fonksiyonel durum üzerine olan etkisini incelemekti. G Ge er re eç ç v ve e Y Yö ön nt te em m: : Nörolojik rehabilitasyon poliklini¤imize baflvuran, hemiplejik tarafta a¤r›, uyuflma ve hissizlik flikayeti bulunan 45 hastan›n fonksiyonel durumu ve a¤r› fliddeti de¤erlendirildi. Hastalar›n anamnez, visüel a¤r› skalas› (VAS) ve fizik muayene ile hemiplejik taraftaki a¤r›s›, Fonksiyonel Ba¤›ms›zl›k ‹ndeksi (FB‹) ile günlük yaflam aktiviteleri de¤er-lendirildi. B Bu ul lg gu ul la ar r: : Hastalar›n yafl ortalamas› 59,98±15,19 y›l olup, 24'ü kad›n, 21'i erkek idi. VAS ile a¤r› fliddeti 6,75±1,22 idi. Günlük yaflam aktiviteleri (FB‹ ve FB‹ subgruplar›) ile santral a¤r›n›n aras›nda FB‹ subgruplar›ndan kendine bak›m, transfer, sosyal aktivite ve FB‹'nin toplam›nda anlaml› bir iliflki tespit edildi (p<0,05). S So on nu uç ç: : Bu çal›flmada santral a¤r›n›n hemiplejik hastada fonksiyonel durumu etkiledi¤i, hastan›n motor iyileflmesi iyi olmas›na karfl›n fonksiyonel düzeyinin düflük oldu¤u saptand›. Sonuç olarak santral a¤r› ciddi a¤r› ve yetersizlik nedenidir, rehabilitasyon programlar›n› olumsuz etkilemekte ve öncelikli olarak tedavi edilmesi gerekmektedir. Türk Fiz T›p Rehab Derg 2010;56:52-5. A An na ah ht ta ar r K Ke el li im me el le er r: : Santral a¤r›, hemipleji, fonksiyonel durum, rehabilitasyon S Su um mm ma ar ry y O Ob bj je ec ct ti iv ve e: The aim of this study was to investigate intensity of the central pain after a cerebrovascular episode and its effect on functional status. M Ma at te er ri ia al ls s a an nd d M Me et th ho od ds s: : Forty-five patients complaining of pain, numbness, and tingling in the hemiplegic side were admitted to our stroke clinic and the functional status and intensity of pain were evaluated. The pain in the hemiplegic side was assessed by: patient history, visual analogue scale (VAS), physical examination, and activities of daily living using the Functional Independence Measure (FIM). R Re es su ul lt ts s: : The mean age of the patients was 59.98±15.19 years-24 females and 21 males. Intensity of pain by VAS is 6.75±1.22. Significant relationship was found between central pain and some subitems of the FIM i.e.self-care, transfers, social cognitions and total FIM (p<0.05).

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“…The STP carries information on pain and touch from the contralateral limbs and body and has been regarded as the most plausible neural tract responsible for the pathogenesis of central poststroke pain. [1][2][3][4][5] The VPL nucleus has been a target for neurosurgical procedures for control of central poststroke pain. 6,7 Therefore, many studies have been conducted for elucidation of the somatotopy at the VPL nucleus, [7][8][9][10][11][12][13] conducted by using microelectrode brain-stimulation techniques.…”

mentioning

confidence: 99%

Probabilistic Somatotopy of the Spinothalamic Pathway at the Ventroposterolateral Nucleus of the Thalamus in the Human Brain

Hong¹,

Kwon²,

Jang³

2011

AJNR Am J Neuroradiol

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BACKGROUND AND PURPOSE:The STP has been regarded as the most plausible neural tract responsible for pathogenesis of central poststroke pain. The VPL nucleus has been a target for neurosurgical procedures for control of central poststroke pain. However, to our knowledge, no DTI studies have been conducted to investigate the somatotopic location of the STP at the VPL nucleus of the thalamus. In the current study, we attempted to investigate this location in the human brain by using a probabilistic tractography technique of DTI.

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Functional magnetic resonance imaging and diffusion tensor imaging in a case of central poststroke pain

Cited by 76 publications

References 26 publications

Deconstructing Central Pain with Psychophysical and Neuroimaging Studies

Deconstructing Central Pain with Psychophysical and Neuroimaging Studies

Features of Central Pain in Patients with Hemiplegia

Probabilistic Somatotopy of the Spinothalamic Pathway at the Ventroposterolateral Nucleus of the Thalamus in the Human Brain

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