Insights into skeletal involvement in adult Gaucher disease: a single-center experience.

Merve Yolda�� ��elik, Ebru Canda, Havva Yaz��c��, Fehime Erdem, Ay��e Y��ksel Yanbolu, Ayca Aykut, Asude Durmaz, Sema Kalkan U��ar, Eser Y��ld��r��m S��zmen, Mahmut ��oker
Author Information
  1. Merve Yolda�� ��elik: Medical Faculty, Department of Pediatric Metabolism and Nutrition, Ege University, Izmir, 35040, Turkey. drmerveyoldas@yahoo.com. ORCID
  2. Ebru Canda: Medical Faculty, Department of Pediatric Metabolism and Nutrition, Ege University, Izmir, 35040, Turkey.
  3. Havva Yaz��c��: Medical Faculty, Department of Pediatric Metabolism and Nutrition, Ege University, Izmir, 35040, Turkey.
  4. Fehime Erdem: Medical Faculty, Department of Pediatric Metabolism and Nutrition, Ege University, Izmir, 35040, Turkey.
  5. Ay��e Y��ksel Yanbolu: Medical Faculty, Department of Pediatric Metabolism and Nutrition, Ege University, Izmir, 35040, Turkey.
  6. Ayca Aykut: Medical Faculty, Department of Medical Genetics, Ege University, Izmir, Turkey.
  7. Asude Durmaz: Medical Faculty, Department of Medical Genetics, Ege University, Izmir, Turkey.
  8. Sema Kalkan U��ar: Medical Faculty, Department of Pediatric Metabolism and Nutrition, Ege University, Izmir, 35040, Turkey.
  9. Eser Y��ld��r��m S��zmen: Medical Faculty, Department of Medical Biochemistry, Ege University, Izmir, Turkey.
  10. Mahmut ��oker: Medical Faculty, Department of Pediatric Metabolism and Nutrition, Ege University, Izmir, 35040, Turkey.

Abstract

INTRODUCTION: Gaucher disease (GD) is a lysosomal storage disorder causing systemic and skeletal complications. This study evaluates bone health in adult GD type 1 patients, focusing on skeletal complications, bone mineral density (BMD), and biochemical markers.
MATERIAL AND METHODS: A cohort of adult GD type 1 patients followed up at Ege University Pediatric Metabolism Department were retrospectively examined.
RESULTS: This study included 32 patients with GD type 1, comprising 11 males (34.4%) and 21 females (65.6%). The median age at diagnosis was 20.5 years (min: 3-max:65), and at enrolment, it was 35 years (min:18-max:71). Most patients (93.8%) had organomegaly, and 93.8% had cytopenia. Common genetic variants were p.Asn409Ser (60.9%), p.Leu483Pro (7.8%), and p.Asp448His(4.7%). All patients were on enzyme replacement therapy (ERT) for a median of 11 years (min:2-max:18). Bone complications included pathologic fractures in six patients (19%) and avascular necrosis in 12 patients (37.5%). Bone pain was reported by 93.7% of patients at admission and persisted in 59.4% during follow-up. DXA scans showed abnormal bone mineral density (BMD) in 62.5% of patients initially, with a significantly low bone density in 3.1% and reduced bone density in 59.3%. BMD improved with treatment, as evidenced by a significant increase in Z scores (p���<���0.05). Elevated chitotriosidase (75%), ferritin (50%), and immunoglobulin G (21.9%) levels were noted but did not correlate with BMD. Seven patients (22%) were splenectomized, all with bone issues.
DISCUSSION: Bone health in GD involves multiple factors beyond biochemical markers. While ERT improves BMD, bone pain and fractures remain significant issues. Comprehensive management, including regular BMD monitoring and better vitamin D supplementation adherence, is crucial. Further research is needed to improve treatments for bone complications in GD.

Keywords

References

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Word Cloud

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