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Bel Ağrılarında, Paraspinal Kaslardaki Yağlı Atrofinin Tse-T2 Ağırlıklı MR Sekansı ile Yarıkantitatif Olarak Belirlenmesi

Detection of The Lipoatrophy of Lumbar Paraspinal Muscles Semi Quantitatively In Patients With Low Back Pain By TSE-T2W MR Sequence

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Abstract (2. Language): 
Aim: Our objective, is to investigate the relationship between lumbar paraspinal muscles lipoatrophy and low back pain. Materials and methods: 74 patients with low back pain and 17 healthy volunteers were included in this crosssectional study. The patients were grouped according to the duration of pain; group I≤ 4 weeks, group II: 4-12 weeks and group III>12 weeks of duration of pain. Their lumbar MR images were visually analyzed for signs of lumbar paraspinal muscles atrophy. The fat content was graded semiquantitatively (grade 0-4) for each muscle as following multifidus, longissimus and psoas muscles. The relationship between fat content and duration of low back pain was assessed and compared with asymptomatic volunteers. Student’s t test, Spearman correlation analysis and Kruskal Wallis ANOVA tests were used in the statistical analysis. Results: There were significant correlations between multifidus, longissimus and psoas muscles atrophy and the duration of the low back pain (r=0.311, p=0.007 for psoas; r=0.382, p=0.001 for multifidus and r=0.398, p<0.001 for longissimus muscle). Lipoatrophy of the multifidus, longissimus and psoas muscles were significantly different among the groups (p<0.001, p=0.001, p<0.001 respectively). Lipoatrophy of all muscles were significantly higher in group III than group I and asymptomatic. Conclusion: Paraspinal muscles must be examined as for atrophy in assessing MR images of lumbar spine. In patients with low back pain, knowledge of the lipoatrophy of the paraspinal muscles may be helpful in planning a better rehabilitation.
Abstract (Original Language): 
Amaç: Bel ağrısı ile lomber paraspinal kasların lipoatrofisi arasındaki ilişkinin belirlenmesidir. Gereç ve Yöntem: Bu kesitsel çalışmaya, bel ağrısı bulunan 74 hasta ve 17 sağlıklı gönüllü katıldı. Bel ağrılı olgular, ağrı süresine göre gruplandırıldı. Grup I≤ 4 hafta, grup II= 4-12 hafta grup III, >12 hafta ağrısı olan hastalarda oluştu. Bu hastaların lomber manyetik rezonans (MR) görüntüleri lomber paraspinal kasların atrofi bulguları bakımından değerlendirildi. Her bir kas için yağ içeriği, yarı-kantikatif (evre 0-4) olarak derecelendirildi. Ağrının süresi ile yağ içerikleri arasındaki ilişki asemptomatik gönüllüler ile karşılaştırıldı. Verilerin istatistiksel analizinde, bağımsız gruplarda t testi, Spearman korelasyon analizi ve Kruskal Wallis ANOVA testleri kullanıldı. Bulgular: Multifidus, longissimus ve psoas kaslarında lipoatrofi ile bel ağrısı süresi arasında anlamlı ilişki saptandı (multifidus kasında r=0.382, p=0.001; longissimus kasında r=0.398, p<0.001; psoas kasında r=0.311, p=0.007). Multifidus, longissimus ve psoas kaslarında lipoatrofi ağrı süresine göre gruplar ve asemptomatik grup arasında farklılık gösterdi (sırasıyla p<0.001, p=0.001, p<0.001). İncelenen tüm kaslarda atrofi değerleri grup III’de, grup I ve asemptomatik olgulara göre anlamlı yüksek idi. Sonuç: Lomber vertebranın MR görüntülerinin değerlendirilmesinde paraspinal kasların atrofi bakımından incelenmesi gerekmektedir. Bel ağrısı bulunan hastalarda paraspinal kaslardaki lipoatrofinin bilinmesi, daha iyi rehabilitasyon planlaması yapılmasında faydalı olabilir.
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