{"id":12391,"date":"2022-08-17T17:18:35","date_gmt":"2022-08-17T14:18:35","guid":{"rendered":"http:\/\/blog.ulubat.org\/?p=12391"},"modified":"2022-10-19T12:21:06","modified_gmt":"2022-10-19T09:21:06","slug":"visual-snow-sendromu","status":"publish","type":"post","link":"https:\/\/blog.ulubat.org\/index.php\/genel\/visual-snow-sendromu\/","title":{"rendered":"VISUAL SNOW SENDROMU"},"content":{"rendered":"\n

Klinik \u00e7al\u0131\u015fmalar\u0131n raporlar\u0131n\u0131 i\u00e7eren makaleleri \u00f6zet \u015feklinde derleyerek visual snow sendromunu tan\u0131maya \u00e7al\u0131\u015faca\u011f\u0131z.<\/strong><\/p>\n\n\n\n

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VISUAL SNOW SENDROMUNDA SEMPTOMLAR<\/strong><\/h2>\n\n\n\n

Visual snow sendromu tan\u0131s\u0131 konulan hastalar u\u00e7u\u015fan siyah-gri-beyaz, \u00e7ubuk ya da nokta bi\u00e7iminde titre\u015fen ve u\u00e7u\u015fan cisimler g\u00f6rmeleridir. Daha da somutla\u015ft\u0131rmak i\u00e7in kar\u0131ncal\u0131 televizyon g\u00f6r\u00fcnt\u00fcs\u00fc \u00f6rne\u011fi verilmektedir.<\/strong> Kimi zaman bu g\u00f6r\u00fc\u015f aural\u0131 olabilmektedir.<\/strong><\/p>\n\n\n

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https:\/\/upload.wikimedia.org\/wikipedia\/commons\/f\/f1\/Visual_snow3.gif?20190414012336<\/figcaption><\/figure><\/div>\n\n\n

Bu sim\u00fclat\u00f6r<\/a>e t\u0131klayarak visual snow sendromuna sahip bireylerin nas\u0131l g\u00f6rd\u00fc\u011f\u00fcn\u00fc \u00e7e\u015fitli ortamlar ve \u015fiddetlerde deneyimleyebilirsiniz.<\/strong><\/p>\n\n\n\n

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VISUAL SNOW SENDROMUNDA KOMORB\u0130D\u0130TE<\/strong><\/h2>\n\n\n\n

Visual Snow Sendromu tan\u0131s\u0131 konulan hastalarda migren, tinnitus, fotofobi ve palinopsi genel olarak e\u015flik eden rahats\u0131zl\u0131klard\u0131r. Bunlar\u0131n yan\u0131 s\u0131ra daha az g\u00f6r\u00fclmekle beraber fibromyalji ve vertigo da (visual snow sendromu) VSS’ye e\u015flik edebilmektedir.<\/strong><\/p>\n\n\n

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https:\/\/blog.ulubat.org\/wp-content\/uploads\/2022\/10\/Vs_with_descriptions.jpg<\/figcaption><\/figure><\/div>\n\n\n

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VISUAL SNOW SENDROMUNDA KL\u0130N\u0130K BULGULAR<\/strong><\/h2>\n\n\n\n

Guarantors of Brain ad\u0131na Oxford University Press tarfa\u0131ndan yay\u0131nlanan 2021 Aral\u0131k tarihli bir makaleye g\u00f6re VSS\u2019nin (visual snow sendromu) g\u00f6rsel sistemdeki ritmik bir bozulmadan kaynaklanabilece\u011fini varsayan ara\u015ft\u0131rmac\u0131lar magnetoensefelografi kullanarak VSS te\u015fhisi konulmu\u015f 18 hastadan ve 16 ki\u015filik kontrol grubundan veriler elde etti. Kat\u0131l\u0131mc\u0131lara, alfa band\u0131 (8-13 Hz) g\u00fcc\u00fcnde azalma ve gama band\u0131 g\u00fcc\u00fcnde (40-70 Hz) art\u0131\u015fa neden oldu\u011fu bilinen g\u00f6rsel uyaranlar sunuldu. \u0130ki grup aras\u0131ndaki veriler kar\u015f\u0131la\u015ft\u0131r\u0131l\u0131nca alfa veya gama tepe frekans\u0131nda bir farkl\u0131l\u0131k g\u00f6zlenmedi. Ayn\u0131 \u015fekilde alfa g\u00fcc\u00fcn\u00fcn b\u00fcy\u00fckl\u00fc\u011f\u00fcnde de bir farkl\u0131l\u0131\u011fa rastlanmam\u0131\u015ft\u0131r. Ancak VSS tan\u0131s\u0131 alm\u0131\u015f grubun birincil korteks gama g\u00fcc\u00fcnde \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131\u015f raporlanm\u0131\u015ft\u0131r. Bu bulgular VSS\u2019de g\u00f6rsel korteksin a\u015f\u0131r\u0131 uyar\u0131labilir oldu\u011funu d\u00fc\u015f\u00fcnd\u00fcrtmektedir. Bu \u00e7al\u0131\u015fmadan elde edilen veriler birincil g\u00f6rsel korteksteki ritmik aktivitenin VSS\u2019de hem a\u015f\u0131r\u0131 uyar\u0131labilir oldu\u011funu hem de d\u00fczensiz oldu\u011funu d\u00fc\u015f\u00fcnd\u00fcrtmektedir.<\/strong><\/p>\n\n\n\n

Vaphiades, Grondines, Cooper, Gratton ve Doyle\u2019un 2021 Eyl\u00fcl tarihli makalesine g\u00f6re 2015 ila 2021 y\u0131llar\u0131 aras\u0131nda Alabama \u00dcniversitesi, Callahan G\u00f6z Hastanesi, Missouri \u00dcniversitesi-Kansas City T\u0131p Fak\u00fcltesi ve Little Rock G\u00f6z Klini\u011fi\u2019ne ba\u015fvuran VSS’li ya\u015f ortlamas\u0131 25 olan 22\u2019si erkek 30\u2019u kad\u0131n 52 hasta geriye d\u00f6n\u00fck olarak incelenmi\u015ftir. Tarihsel bilgiler, muayene bulgular\u0131, oftalmik testler, elektrofizyoloji ve n\u00f6rog\u00f6r\u00fcnt\u00fcleme sonu\u00e7lar\u0131 toplanm\u0131\u015ft\u0131r. Ula\u015f\u0131lan veriler \u015funlard\u0131r: 51 vakada renkli g\u00f6rme test edilmi\u015ftir ve 47 vakada (%92) normal bulunmu\u015ftur. 52 hastan\u0131n tamam\u0131nda fundoskopik muayene yap\u0131lm\u0131\u015ft\u0131r ve 46 hastada (%88) normal bulunmu\u015ftur. Mak\u00fcler SD-OKT, uygulanan 19 hastan\u0131n tamam\u0131nda (%100) normal bulunmu\u015ftur. 50 hastada Humphrey g\u00f6rme alan\u0131 testi uygulanm\u0131\u015f ve 43 hastada (%86) normal bulunmu\u015ftur. G\u00f6rsel olarak uyar\u0131lm\u0131\u015f potansiyel (VEP) verilerin elde edildi\u011fi 19 hastan\u0131n 18’inde (%95) normal bulunmu\u015ftur. 28 hastadan tam alan elektroretinografi (ffERG) verileri elde edilmi\u015ftir ve 25 hastada (%89) normal bulunmu\u015ftur. 12 hastan\u0131n 11’inde (%92) multifokal elektroretinografi (mfERG) normal bulunmu\u015ftur. MRG 37 vakan\u0131n 29’u (%78) i\u00e7in normal bulunmu\u015ftur. Sadece bir hastada g\u00f6rme yolunda lezyon saptanm\u0131\u015ft\u0131r. Sadece 4 hastan\u0131n elektrofizyolojik testlerinin t\u00fcm\u00fc anormal bulunmu\u015ftur.<\/strong><\/p>\n\n\n\n

Klein ve Schankin\u2019in 2021 Ekim tarihli makalesinde VSS\u2019de \u00f6n kortikal g\u00f6rme merkezlerinin uyaranlara tepki verme \u00f6nceli\u011finin de\u011fi\u015febilece\u011fini bu nedenle de normalde tepki verilmemesi gereken i\u00e7 ve d\u0131\u015f uyaranlara kar\u015f\u0131 g\u00f6rme merkezinin tepkiler verebilece\u011fini ifade etmi\u015flerdir. <\/strong><\/p>\n\n\n\n

Healey, Mangin ve Lockhead\u2019in 2022\u2019de yay\u0131nlanan makalesine g\u00f6re ise serotonin al\u0131m\u0131n\u0131 inhibe eden antidepresan ila\u00e7lar\u0131n negatif etkisi \u00fczerinde durulmaktad\u0131r. 18 \u00fclkeden 124 hasta ve kullan\u0131lan 11 farkl\u0131 ila\u00e7 \u00fczerinde bir \u00e7al\u0131\u015fma yap\u0131lm\u0131\u015ft\u0131r. Yap\u0131lan ara\u015ft\u0131rman\u0131n verilerine g\u00f6re bu t\u00fcr ila\u00e7lar\u0131n kullan\u0131m\u0131n\u0131n b\u0131rak\u0131lmas\u0131 uzun s\u00fcren g\u00f6rsel rahats\u0131zl\u0131klara sebebiyet verebilece\u011fini d\u00fc\u015f\u00fcnd\u00fcr\u00fcyor. \u00dczerinde ara\u015ft\u0131rma yap\u0131lan grubunun %8,9’unda VSS g\u00f6r\u00fclm\u00fc\u015ft\u00fcr. Grubun %15,3’l\u00fck k\u0131sm\u0131nda ise fotofobi rapor edilmi\u015ftir.<\/strong><\/p>\n\n\n\n

Puledda, Villar-Mart\u00ednez ve Goadsby\u2019nin 2022 \u015eubat tarihli makalesine g\u00f6re akut serebral enfarkt\u00fcs ge\u00e7iren bir hastada VSS rapor edilmi\u015ftir. Bu da bizi VSS\u2019nin inme ile ili\u015fkisi \u00fczerine d\u00fc\u015f\u00fcnmeye itmektedir.<\/strong><\/p>\n\n\n\n

American Academy of Optometry\u2019nin 2022 Nisan tarihli makalesine g\u00f6re. 40 ya\u015f\u0131nda erkek bir hastada tekrarlayan birka\u00e7 hafif beyin sars\u0131nt\u0131s\u0131ndan 3 hafta sonras\u0131nda VSS bulgular\u0131 rapor edilmi\u015ftir. Hastan\u0131n g\u00f6z muayenesi, g\u00f6rme alan\u0131 ve retina g\u00f6r\u00fcnt\u00fcleme sonu\u00e7lar\u0131 normal bulunmu\u015ftur. Beyin MRG, manyetik rezonans anjiyografi, elektroensefalografi ve beyin omurilik s\u0131v\u0131s\u0131 testlerinde de herhangi bir belirtiye rastlanmam\u0131\u015ft\u0131r. Ayn\u0131 hastaya yap\u0131lan PET taramas\u0131 ile posterior parietal loblarda ve sol posterior singulat gyrusta hipometabolizma g\u00f6zlenmi\u015ftir. Bu hastada antiepileptik ve migren ila\u00e7lar\u0131 ile tedavi giri\u015fimi ba\u015far\u0131s\u0131z olmu\u015ftur. Mavi renkli \u00f6zel lens kullan\u0131m\u0131 ise semptomlar\u0131 azaltmada k\u00fc\u00e7\u00fck bir  rol oynam\u0131\u015ft\u0131r.<\/strong><\/p>\n\n\n\n

Solly<\/strong>, <\/strong>Clough<\/strong>, <\/strong>Foletta<\/strong>, White ve <\/strong>Fielding\u2019in<\/strong> 2021 Temmuz tarihli makalesinde ise <\/strong>VSS\u2019nin<\/strong> psikiyatrik <\/strong>semptomolojisi<\/strong> \u00fczerinde durulmu\u015ftur. <\/strong>VSS\u2019li<\/strong> 125 hasta \u00fczerinde yap\u0131lan \u00e7al\u0131\u015fmaya g\u00f6re: VSS hastalar\u0131nda ya\u015fam kalitesini \u00f6nemli \u00f6l\u00e7\u00fcde etkileyen y\u00fcksek oranda anksiyete, depresyon, duyars\u0131zla\u015fma, yorgunluk ve k\u00f6t\u00fc uyku g\u00f6r\u00fclm\u00fc\u015ft\u00fcr. Ayr\u0131ca, psikiyatrik semptomlar -\u00f6zellikle duyars\u0131zla\u015fma- g\u00f6rsel semptomlar\u0131n artan \u015fiddeti ile ili\u015fkilidir.<\/strong><\/p>\n\n\n\n

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VARAB\u0130LECE\u011e\u0130M\u0130Z SONU\u00c7LAR<\/strong><\/h2>\n\n\n\n

Visual Snow Sendromu n\u00f6rooftalmik olarak s\u0131n\u0131fland\u0131rabilece\u011fimiz bir rahats\u0131zl\u0131kt\u0131r. Fizyopatalojisi ve tedavi se\u00e7enekleri tam olarak ayd\u0131nlat\u0131lamam\u0131\u015ft\u0131r ancak klinik \u00e7al\u0131\u015fmalar devam etmektedir ve bulgular her ge\u00e7en g\u00fcn artmaktad\u0131r.<\/strong><\/p>\n\n\n

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https:\/\/upload.wikimedia.org\/wikipedia\/commons\/9\/9f\/Visual_snow.gif?20170905170018<\/figcaption><\/figure><\/div>\n\n\n

KAYNAK\u00c7A<\/strong><\/h2>\n\n\n\n
  • Visual snow syndrome: a review on diagnosis, pathophysiology, and treatment PMID: 31714263<\/strong><\/li>
  • Visual snow syndrome: A clinical and phenotypical description of 1,100 cases PMID: 31941797 <\/strong><\/li>
  • Visual snow syndrome and its relationship with migraine PMID: 34521544 <\/strong><\/li>
  • Cortical oscillatory dysrhythmias in visual snow syndrome: a magnetoencephalography study PMID: 35169699<\/strong><\/li>
  • Visual snow syndrome, the spectrum of perceptual disorders, and migraine as a common risk factor: A narrative review PMID: 34570907<\/strong><\/li>
  • Visual Snow Syndrome as a Network Disorder: A Systematic Review PMID: 34671311<\/strong><\/li>
  • Diagnostic Evaluation of Visual Snow PMID: 34603194<\/strong><\/li>
  • Development and persistence of patient-reported visual problems associated with serotonin reuptake inhibiting antidepressants PMID: 343662984 <\/strong><\/li>
  • The Psychiatric Symptomology of Visual Snow Syndrome PMID: 34393980<\/strong><\/li>
  • Case Report: Transformation of Visual Snow Syndrome From Episodic to Chronic Associated With Acute Cerebellar Infarct PMID: 35242098<\/strong><\/li>
  • Age- and frequency-dependent changes in dynamic contrast perception in visual snow syndrome PMID: 34895130<\/strong><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"

    Klinik \u00e7al\u0131\u015fmalar\u0131n raporlar\u0131n\u0131 i\u00e7eren makaleleri \u00f6zet \u015feklinde derleyerek visual snow sendromunu tan\u0131maya \u00e7al\u0131\u015faca\u011f\u0131z. VISUAL SNOW SENDROMUNDA SEMPTOMLAR Visual snow sendromu<\/p>\n","protected":false},"author":1139,"featured_media":12393,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1,2173],"tags":[73,2309,921,2307,2310,2308,2311,76,110,66,2319,2306],"acf":[],"views":498,"_links":{"self":[{"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/posts\/12391"}],"collection":[{"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/users\/1139"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/comments?post=12391"}],"version-history":[{"count":7,"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/posts\/12391\/revisions"}],"predecessor-version":[{"id":12942,"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/posts\/12391\/revisions\/12942"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/media\/12393"}],"wp:attachment":[{"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/media?parent=12391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/categories?post=12391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ulubat.org\/index.php\/wp-json\/wp\/v2\/tags?post=12391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}