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eISSN: 2084-9834
ISSN: 0034-6233
Reumatologia/Rheumatology
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5/2020
vol. 58
 
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abstract:
Review paper

Calcium physiology, metabolism and supplementation: a glance at patients with ankylosing spondylitis

Rossella Talotta
1
,
Francesco Rucci
2
,
Francesco Scaglione
3

1.
Rheumatology Unit, Department of Clinical and Experimental Medicine, University of Messina, Azienda Ospedaliera Gaetano Martino, Messina, Italy
2.
Medical Affairs Department, Pulmonary Hypertension, Janssen-Cilag SpA, Cologno Monzese, Milan, Italy
3.
Department of Oncology and Hematology-Oncology, University of Milan, Italy
Reumatologia 2020; 58, 5: 297–311
Online publish date: 2020/10/20
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The aim of this review is to describe the metabolism of calcium in ankylosing spondylitis compared to physiologic conditions, and to present the current evidence on the benefits and disadvantages of calcium supplementation in these patients. A narrative review of the literature was conducted using the PubMed database and a total of 65 articles were selected. Calcium is involved in many physiopatholo­gical processes, including inflammation, bone loss and bone formation, all of which occur in ankylosing spondylitis. Many ankylosing spondylitis patients suffer from concomitant osteopenia or osteoporosis, which represent indications for calcium supplementation. Conversely, there are still concerns about the use of calcium salts for the prevention of bone fragility in non-osteoporotic or non-osteopenic patients.

In these cases, biologic agents may indirectly normalize calcium dysmetabolism by rebalancing the cyto­kine milieu, in turn associated with bone remodeling. Calcium supplements may be disadvantageous for entheseal calcifications, but so far there are no clear data confirming that such an association exists.
keywords:

calcium, ankylosing spondylitis, mineral metabolism, enthesitis, osteoporosis







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