Abstract:
BACKGROUND:Vitamin D deficiency has been reported in different chronic pulmonary diseases like asthma and chronic obstructive pulmonary disease, but little is known in lung transplant recipients. METHODS:Serum 25-hydroxyvitamin D (25-OHD) levels and pulmonary function (forced expiratory volume in 1 sec [FEV(1)] %predicted) were measured in 131 lung transplant patients during their yearly posttransplant check-up hospital stay, and the total number of infections and perivascular/peribronchiolar rejections were assessed from transplantation on. RESULTS:Vitamin D deficiency (<30 ng/mL) occurred in 62 of 131 patients (47.3%), of whom 26 (19.8%) were severely deficient (<20 ng/mL). The FEV(1) was significantly lower in the deficient group compared with the group with normal levels (P=0.019). Moreover, we could find an association between FEV(1) and 25-OHD levels in univariate analysis (P=0.018), which remained significant in multivariate analysis (P=0.012). The same holds true for the association between 25-OHD levels and the peak postoperative FEV(1) (P=0.021 in multivariate analysis). We also identified significantly more patients with moderate to severe B-grade rejections in the deficient group (P=0.0038). CONCLUSION:Vitamin D deficiency is present in 47% of our lung transplant patients and seems independently associated with a lower FEV(1) and more severe B-grade rejections. This study raises the potential need for additional vitamin D treatment in lung transplantation and clearly indicates the role of a randomized placebo-controlled trial with vitamin D supplementation, which is ongoing in our center.
journal_name
Transplantationjournal_title
Transplantationauthors
Verleden SE,Vos R,Geenens R,Ruttens D,Vaneylen A,Dupont LJ,Verleden GM,van Raemdonck DE,Vanaudenaerde BMdoi
10.1097/TP.0b013e31823d98bcsubject
Has Abstractpub_date
2012-01-27 00:00:00pages
224-9issue
2eissn
0041-1337issn
1534-6080journal_volume
93pub_type
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