Türk Beyin Damar Hast Derg. Ahead of Print: TBDHD-34635 | DOI: 10.5505/tbdhd.2024.34635

Intima media thickness: Is it related to hand and eye dominance?

Mehmet Akif Topçuoðlu, Ezgi Yetim, Ezgi Yýlmaz, Ethem Murat Arsava
Hacettepe University Hospitals, Faculty of Medicine, Neurology Department, Ankara, Türkiye

INTRODUCTION: Intima-media thickness [IMT] of the carotid artery determined by ultrasonography is used as a surrogate marker for vascular risk prediction and control. IMT thickness shows asymmetry between the carotid arteries on both sides, but the reason for this is not fully explained. This study targeted the relationship between hand- and eye-dominance and IMT asymmetry.
METHODS: : In 610 cases [56.2% female, mean age 64.5±9.9 years], the common carotid artery [CCA] IMT mean, maximum, minimum and standard deviation were measured on the right and left sides with automatic contour determination technology. CCA systolic and diastolic diameters were measured from M-mode traces. Hand dominance was determined by Chapman and Chapman, eye dominance was determined by standard punched paper test. Differences and relationships between parameters were examined in multiple regression models.
RESULTS: IMT-mean and IMT-maximum values were approximately 25 µm thinner on the left side compared to the right, and CCA systolic and diastolic diameters were 0.22 mm smaller (p<0.001). This relationship persisted after adjusting for age, DM, smoking, coronary artery disease, and female gender. No statistically significant relationship was found between hand and eye dominance and IMT indices in multiple regression analysis models.
DISCUSSION AND CONCLUSION: IMT asymmetry is a condition resulting from anatomy; eye or hand dominance has no apparent effect on it.

Keywords: Common carotid artery, intima media thickness, IMT, hemispheric dominance, side, right left

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Ýntima media kalýnlýðý: El ve göz dominansý ile iliþkili mi?

Mehmet Akif Topçuoðlu, Ezgi Yetim, Ezgi Yýlmaz, Ethem Murat Arsava
Hacettepe Üniversitesi Týp Fakültesi Nöroloji Anabilim Dalý, Ankara

GÝRÝÞ ve AMAÇ: Karotis arterin ultrasonografik olarak belirlenen intima media kalýnlýðý [IMT] vasküler risk tahmini ve kontrolü için vekil marker olarak kullanýlmaktadýr. Her iki taraf karotis arterler arasýnda IMT kalýnlýðý asimetri gösterir, ama bunun nedeni tam olarak netleþmemiþtir. Bu çalýþmada el ve göz dominansý ile IMT asimetrisinin baðlantýsý incelenmiþtir.
YÖNTEM ve GEREÇLER: 610 olguda [%56,2 kadýn, yaþ ortalamasý 64,5+-9,9 yýl] sað ve sol tarafta otomatik kontur belirlenimi ile ana karotis arter [CCA] IMT ortalama, maksimum, minimum ve standart deviasyonu ölçülmüþtür. CCA sistolik ve diastolik çapý M-mod traselerden ölçülmüþtür. El dominansý Chapman ve Chapman, göz dominasý delikli kaðýt testi ile belirlenmiþtir. Parametreler arasý fark ve baðlantýlar çoklu regresyon modellerinde incelenmiþtir.
BULGULAR: Sol tarafta saða göre IMT-ortalama ve IMT-maksimum yaklaþýk 25 mikron daha ince ve CCA sistol ve diastol çapý 0,22 mm daha düþük olarak tespit edilmiþtir (p<0,001). Bu iliþki yaþ, DM, sigara, koroner arter hastalýðý ve kadýn cinsiyete göre uyarlama yapýldýðýnda da devam etmiþtir. Çoklu regresyon analizi modellerinde el ve göz dominansý ile IMT indeksleri arasýnda istatistiksel seviyede anlamlý birliktelik bulunmadýðý saptanmamýþtýr.
TARTIÞMA ve SONUÇ: IMT asimetrisi göz ve el dominansýna deðil anatomik sebeplere baðlýdýr.

Anahtar Kelimeler: Ana karotis arter, intima media kalýnlýðý, IMT, hemisferik dominans, taraf, sað sol.

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