Turkiye Klinikleri Journal of Medical Sciences

.: ORIGINAL RESEARCH
Determination of Normal Video Head Impulse Test Gain Values in Different Age Groups
Farklı Yaş Gruplarında Normal Video Head İmpulse Testi Kazanç Değerlerinin Tespiti
Mehmet Akif ABAKAY a, Levent KÜFECİLERb, Zahide Mine YAZICI a, Filiz GÜLÜSTAN a, Baver Maşallah ŞİMŞEK c, Selçuk GÜNEŞ d, İbrahim SAYIN a
aDepartment of Otolaryngology Head and Neck Surgery, Bakırköy Dr. Sadi Konuk Training and Research Hospital, İstanbul, TURKEY
bDepartment of Otolaryngology Head and Neck Surgery, Division of Audiology, Bakırköy Dr. Sadi Konuk Training and Research Hospital, İstanbul, TURKEY
cPrivate Clinic of Otolaryngology Head and Neck Surgery, İstanbul, TURKEY
d Department of Otolaryngology Head and Neck Surgery, Memorial Hizmet Hospital, İstanbul, TURKEY
Turkiye Klinikleri J Med Sci.2020;40(4):406-9
doi: 10.5336/medsci.2020-78131
Article Language: EN
Full Text
ABSTRACT
 Objective: The vestibulo ocular reflex evaluation is very important because of the valuable information it gives in the evaluation of vertigo. Video head impulse tests (vHIT) are widely used to evaluate the vestibulo ocular reflex. vHIT can be used both in childhood and in adults. Therefore, normal gain value ranges have to be determined for all age groups. Material and Methods: Healthy relatives of patients were selected as volunteers. vHIT was performed on all participants by the same experienced right-handed audiologist. An Otometrics ICS Impulse system was used to record measurements. The volunteers were divided into eight groups according to their age; Group 1: 12-20 years, Group 2: 21-30 years, Group 3: 31-40 years, Group 4: 41-50 years, Group 5: 51- 60 years, Group 6: 61-70 years, Group 7: 71-80 years, and Group 8: 81- 88 years. Gain values were determined for each participant. Differences between groups were compared using the Kruskal-Wallis test. Results: One hundred twenty-nine healthy participants were included in the study. The mean age was 44.30±21.14 (range, 12-88) years, there were 62 (48.1%) males and 67 (51.9%) females. The mean values for the right anterior, left anterior, right lateral, left lateral, right posterior, and left posterior canals were 0.90±0.11, 0.88±0.09, 0.97±0.11, 0.87±0.10, 0.90±0.11, and 0.89±0.10, respectively. There were no statitistical significant differences in gain values between the age groups (p>0.05). Conclusion: vHIT can be used in nearly all age groups, and gain values are in the same normal ranges in almost all age groups.

Keywords: Vertigo; dizziness; reflex, vestibulo-ocular
ÖZET
 Amaç: Vestibulo oküler refleksin değerlendirilmesi verdiği değerli bilgiler nedeniyle vertigo yönetiminde çok önemlidir. Video head impulse testi (vHİT), vestibulo oküler refleksi değerlendirmek için yaygın olarak kullanılan bir testtir. vHİT hem çocuklarda hem de yetişkinlerde kullanılabilmektedir. Bu nedenle, tüm yaş grupları için normal kazanç değerleri belirlenmelidir. Gereç ve Yöntemler: Hastaların sağlıklı akrabaları gönüllü katılımcı olarak seçildi. vHIT tüm katılımcılara aynı deneyimli sağ elini kullanan odyolog tarafından uygulandı. Ölçümleri kaydetmek için Otometrics ICS Impulse sistemi kullanıldı. Gönüllüler yaşlarına göre 8 gruba ayrıldı; Grup 1: 12-20, Grup 2: 21-30, Grup 3: 31-40, Grup 4: 41-50, Grup 5: 51-60, Grup 6: 61-70, Grup 7: 71-80 ve Grup 8: 81-88. Her katılımcı için kazanç değerleri belirlendi. Gruplar arası farklılık Kruskal-Wallis testi ile karşılaştırıldı. Bulgular: Toplam 129 sağlıklı katılımcı çalışmaya dahil edildi. Yaş ortalaması 44.30 ± 21.14 (aralık, 12-88), 62 (%48.1) erkek ve 67 (%51.9) kadın vardı. Sağ anterior, sol anterior, sağ lateral, sol lateral, sağ posterior ve sol posterior kanallar için ortalama değerler sırasıyla 0.90±0.11, 0,88±0,09, 0,97±0,11, 0.87 ± 0.10, 0.90±0.11, 0.89±0.10 idi. Kazanç değerlerinde yaş grupları arasında istatistiksel anlamlı sonuç saptanmadı (p>0.05). Sonuç: vHİT, neredeyse tüm yaş gruplarında kullanılabilmektedir ve kazanç değerleri hemen hemen tüm yaş gruplarında aynı normal aralıktadır.

Anahtar Kelimeler: Vertigo; baş dönmesi;refleks, vestibulo-oküler
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