ISSN : 1301-5680
e-ISSN : 2149-8156
TURKISH JOURNAL OF
THORACIC AND
CARDIOVASCULAR SURGERY
Turkish Journal of Thoracic and Cardiovascular Surgery     
Quality of life following acute deep vein thrombosis: the cultural adaptation, reliability and validity of the VEINES-QOL/Sym scale: a Turkish version study
Yasemin Çırak1, Sema Savcı2, Zehra Karahan3, Ufuk Demirkılıç3
1Fatih Üniversitesi, Fizik Tedavi ve Rehabilitasyon Yüksekokulu, Kardiyopulmoner Rehabilitasyon Anabilim Dalı, Ankara, Türkiye
2Dokuz Eylül Üniversitesi, Fizik Tedavi ve Rehabilitasyon Yüksekokulu, İzmir, Türkiye
3Gülhane Askeri Tıp Akademisi, Kalp ve Damar Cerrahisi Anabilim Dalı, Ankara, Türkiye
DOI : 10.5606/tgkdc.dergisi.2013.7463
Background: This study aims to translate and make cultural adaptation of a widely used Venous Insufficiency Epidemiologic and Economic Study Quality-of-Life Questionnaire (VEINESQOL/ Sym) into Turkish according to international guidelines and to statistically evaluate its validity and reliability by administering it to Turkish-speaking patients with acute deep vein thrombosis (DVT).

Methods: Translation and cultural adaptation of the questionnaire were performed. It was administered to 31 patients with acute DVT. The VEINES-QOL/Sym was performed 5-7 days after its initial application to evaluate its test-retest reliability. The internal consistency was assessed through Cronbach's alpha (including if item was deleted), test-retest reliability was assessed through the intraclass correlation coefficient. Validity was examined by correlation of VEINES-QOL/Sym with Nottingham Health Profile (NHP) and the distance of six-minute walk test (6MWT).

Results: Cronbach’s alfa values were 0.96 for the VEINES-QOL and 0.94 for the VEINES-Sym. No problematic items were observed for the scale. Intraclass correlation coefficient score for test-retest reliability were 0.984 and 0.996 for VEINES-QOL and VEINES-Sym scores, respectively. The VEINES-QOL/Sym scale was considered highly reliable. When the relation between VEINES-QOL/Sym and the distance of 6MWT was investigated, the relation of VEINES-QOL was moderate (r=0.372; p<0.05), and of VEINES-Sym was excellent (r=0.890; p<0.01). When the relation between VEINES-QOL/Sym and NHP was investigated, the r value was -0.359 (moderate; p<0.05) for VEINES-Sym and -0.393 (moderate; p<0.05) for VEINES-QOL.

Conclusion: The Turkish VEINSES-QOL/Sym is a reliable, valid and easy to understand tool for the measurement of the quality of life and symptoms in Turkish-speaking patients with DVT.

Keywords : Deep vein thrombosis; quality of life; reliability; validity
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