The Relationship of Vitamin D Levels with Disease Severity, Balance, and Falls in Parkinson’s Disease

Abstract

Purpose: To evaluate the relationship between serum vitamin D levels with disease severity, balance problems and fear of falling in Parkinson’s disease.

Materials and Methods: This was a retrospective, cross-sectional study. Participants with Parkinson’s disease and healthy controls aged 45-80 years were included in the study. The outcomes of the study were serum 25(OH) vitamin D levels, Hoehn&Yahr Scale, Unified Parkinson’s Disease Rating Scale-III, Berg balance scale, Tinetti test, and International Falls Efficacy Scale scores.

Results: Seventy-two participants with Parkinson’s disease and sixty healthy controls were included in the study. The mean 25(OH) vitamin D level was 17.8±8.2 ng/ml in the PD group, while it was 22.2±9.7 ng/ml in the control group. There was a statistically significant difference in terms of 25(OH) vitamin D levels between the groups (p=0.005). The participants in the PD group were divided into two groups according to the HY scale scores (Early-stage group: Stage 1-2; Advanced-Stage group: Stage 3-4). The mean 25(OH) vitamin D level was 18.6±7.8 ng/ml in the early-stage group, it was 16.5±8.8 ng/ml in the advanced-stage group. No statistically significant differences were identified in both groups (p=0.299). There was no correlation between 25(OH) vitamin D levels, HY stages, BBS, TT, FES-I, and UPDRS-III in PD group (p>0.05).

Conclusion: Vitamin D levels were lower in PD than that in healthy controls. However, no significant relationship was found between vitamin D levels and disease severity, balance problem, and fear of falling in PD.

Keywords

• fear of falling
• neurodegeneration
• postural instability
• vitamin D deficiency

Parkinson Hastalığında D Vitamini Düzeyinin Hastalık Şiddeti, Denge ve Düşme ile İlişkisi

Abstract

Amaç: Parkinson hastalığında serum D vitamini düzeyleri ile hastalık şiddeti, denge sorunları ve düşme ve düşme korkusu arasındaki ilişkiyi değerlendirmek.

Araçlar ve Yöntem: Bu çalışma retrospektif, kesitsel olarak tasarlandı. Çalışmaya 45-80 yaş arası Parkinson hastaları ile sağlıklı kontroller dahil edildi. Çalışmanın sonuç ölçütleri, serum 25(OH) D vitamini seviyeleri, Hoehn&Yahr Ölçeği (HY), Birleşik Parkinson Hastalığı Derecelendirme Ölçeği-III (BPHDÖ-III), Berg denge ölçeği (BDÖ), Tinetti testi (TT) ve Uluslararası Düşme Etkinliği Ölçeği (DEÖ-U) idi.

Bulgular: Çalışmaya Parkinson hastalığı(PH) olan yetmiş iki katılımcı ve altmış sağlıklı kontrol dahil edildi. Yaş ortalaması, PH grubunda 67.4±8.3 yıl, kontrol grubunda 61.1±8.5 yıl idi. Ortalama 25(OH) D vitamini düzeyi PH grubunda 17.8±8.2 ng/ml, kontrol grubunda ise 22.2±9.7 ng/ml idi. Gruplar arasında 25(OH) D vitamini düzeyleri açısından istatistiksel olarak anlamlı fark vardı (p=0.005). PH grubundaki katılımcılar HY ölçeğine göre iki gruba ayrıldı (Erken evre grubu: Evre 1-2; İleri Evre grubu: Evre 3-4). Ortalama 25(OH) D vitamini düzeyi erken evre grupta 18,6±7,8 ng/ml iken ileri evre grupta 16,5±8,8 ng/ml idi. Her iki grupta da istatistiksel olarak anlamlı fark saptanmadı (p=0.299). Pearson analiz sonuçlarına göre PH grubunda, 25(OH) D vitamini düzeyleri, HY evreleri, BDÖ, TT, DEÖ-U ve BPHDÖ-III arasında korelasyon yoktu (p>0.05).

Sonuç: PH'da serum D vitamini düzeyleri sağlıklı kontrollere göre daha düşüktü. Ancak PH'da serum D vitamini düzeyleri ile hastalık şiddeti, denge sorunu ve düşme korkusu arasında anlamlı bir ilişki bulunamadı.

Keywords

• düşme korkusu
• nörodejenerasyon
• postural instability
• vitamin D eksikliği

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