SÍNDROME E FIBROMIALGIA DE RAYNAUD

Você já ouviu falar da síndrome de Raynaud? Se você tem fibromialgia, há uma boa chance de que a resposta a essa pergunta é sim. Raynaud é bastante comum em pessoas que têm fibromialgia, e eles podem interagir entre si em alguns aspectos interessantes. E, de fato, alguns têm especulado que o mesmo mecanismo que faz com que Raynaud poderia ter algo a ver com a dor da própria fibromialgia.

Mas o que é a síndrome de Raynaud, como pode Raynaud ser tratada, e que é exatamente a relação entre Raynaud e fibromialgia?

O que é a síndrome de Raynaud?

Sabe aquela sensação quando você acorda depois de ter dormido em sua mão de uma maneira estranha? Você sabe que entorpecido, uma espécie de sensação de formigamento? Aquela em que os dedos parecem ter sido drenado de sangue? Bem, isso é essencialmente o que a síndrome é. Mas, enquanto esse fenômeno é geralmente causada por algo (como o seu corpo) restringir o fluxo de sangue para o membro afetado, no de Raynaud o corpo parece desencadear essa reação desnecessariamente.

Raynaud parece ser um resultado de mais sensível nervos que respondem a gatilhos normais com muita facilidade e dilatando os vasos sanguíneos, o que limita o fluxo de sangue.

Uma das coisas mais comuns que provocam Raynaud é a exposição ao frio. As temperaturas frias, muitas vezes causar o seu corpo para restringir o fluxo de sangue para suas extremidades, a fim de manter seus órgãos vitais fornecidos com o calor. Mas na síndrome de Raynaud, isso acontece depois de uma exposição muito limitada ao frio e pode durar muito mais tempo do que normalmente deveria.

Isso pode fazer de Raynaud perigoso. Como você provavelmente sabe, a pele precisa de um fluxo constante de sangue para alimentar suas células. Quando o fluxo de sangue é cortado, como é em um episódio Raynaud, o tecido pode começar a morrer. Isso resulta em feridas dolorosas ou mesmo gangrena se o ataque continua por tempo suficiente.

Como é o tratamento?

A maneira que Raynaud é geralmente tratada é com medicamentos que aumentam o fluxo de sangue. Isso faz sentido, dado que a raiz de Raynaud é uma constrição dos vasos sanguíneos. Assim, os médicos geralmente prescrevem vasodilatadores para pessoas com Raynaud. Este tipo de droga alarga as veias, permitindo que o sangue flua através dele. Talvez o mais famoso destas drogas é Viagra. Viagra estimula o fluxo sanguíneo, ajudando homens obter ereções abrindo os vasos sanguíneos, o que naturalmente torna uma boa opção para o tratamento de Raynaud.

Mas uma outra opção para o tratamento de Raynaud é com bloqueadores dos canais de cálcio ou alfa. Ambos os medicamentos funcionam bloqueando alguns dos sinais nervosos que causam os vasos sanguíneos para espasmo e fechar. E você também pode obter injeções de outras drogas como Botox que impedem os nervos de desencadear este responsável.

Além disso, um médico pode cirurgicamente cortar os nervos que controlam os vasos sanguíneos em suas mãos e pés, tornando assim mais difícil para eles para fechar. Na maioria dos casos, esses métodos são eficazes para o gerenciamento de síndrome de Raynaud.

Como síndrome e fibromialgia de Raynaud são relacionados?

A relação básica entre a síndrome e fibromialgia de Raynaud tem a ver com o fluxo de sangue para os músculos. Alguns estudos têm sugerido que pessoas com fibromialgia têm problemas com a circulação de sangue para os músculos. Neste estudo que analisou se as pessoas com fibromialgia tinham menos fluxo de sangue para os músculos após o exercício, os pesquisadores descobriram que os pacientes com fibromialgia tinham significativamente menos fluxo de sangue para os músculos após o exercício do que o grupo controle.

Isto sugere que os limites fibromialgia quanto sangue pode entrar em seus músculos, como faz Raynaud. Agora também sabemos que as pessoas com fibromialgia freqüentemente desenvolvem Raynaud bem ou têm episódios regulares de Raynaud. Pode ser que o mesmo mecanismo básico que faz com que a falta de fluxo sanguíneo em pessoas com fibromialgia também poderia estar causando-lhes a sofrer de Raynaud.

Essencialmente, alguns sugeriram que o mesmo ao longo nervos sensíveis que causam os vasos sanguíneos se contraiam em Raynaud também estão causando a dor da fibromialgia em seus músculos.

No momento, não tem havido muita investigação sobre uma possível ligação entre estas condições, de modo que permanece conjectura. E até que nós saibamos mais sobre o que faz com fibromialgia, vamos ter de giz de doença de Raynaud como apenas um dos muitos síndromes secundárias irritantes que vêm com fibromialgia.

Então nos diga, você sofre de Raynaud? O que você acha da idéia de que o fluxo de sangue desempenha um papel na fibromialgia? Deixe-nos saber nos comentários.

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