<b><span style="font-family:Verdana;">Background:</span></b><span style="font-family:""><span style="font-family:Verdana;"> Vitamin D has an immuo...<b><span style="font-family:Verdana;">Background:</span></b><span style="font-family:""><span style="font-family:Verdana;"> Vitamin D has an immuomodulatory role in vaccine response and this may be mediated via its action on antigen presenting cells with the most potent effects on dendritic cells. </span><b><span style="font-family:Verdana;">Aim of work</span></b><span style="font-family:Verdana;">: was to determine if there is an association between circulating 25(OH)D concentrations and BCG vaccine cytokine response (interferon gamma) level. </span><b><span style="font-family:Verdana;">Methods</span></b><span style="font-family:Verdana;">: A cross sectional study included 80 infants aged 4 - 9 months from the pediatric outpatient clinic of Al-Zahraa university hospital (40 with normal weight and 40 with </span><span style="font-family:Verdana;">underweight). Participants were subjected to history taking, clinical examination, and laboratory investigations, particularly 25 hydroxy vitamin D [25(OH)D]</span><span style="font-family:Verdana;"> and BCG vaccine-induced interferon gamma (IFN-</span><i><span style="font-family:Verdana;">γ</span></i><span style="font-family:Verdana;">). </span><b><span style="font-family:Verdana;">Results</span></b><span style="font-family:Verdana;">: The study showed that the underweight group had a lower socioeconomic level and higher percentage of breastfeeding compared with the normal weight group. Most infants in our study received vitamin D supplementation (80% and 62.5% in normal and underweight groups, respectively). The average serum level of 25(OH)D was relatively high (>100 ng/ml) in both</span><a name="_Hlk34497752"></a><span style="font-family:Verdana;"> normal and underweight groups. The mean levels of IFN-</span><i><span style="font-family:Verdana;">γ</span></i><span style="font-family:Verdana;"> in response to BCG vaccine were not significantly different between the normal and underweight groups of infants in our study. Also, there was a statistically-significant moderate correlation between serum levels of 25(OH)D and BCG vaccine-induced IFN-</span><i><span style="font-family:Verdana;">γ</span></i><span style="font-family:Verdana;"> in both normal (r = 0.58) and underweight (r = 0.64) groups. </span><b><span style="font-family:Verdana;">Conclusion</span></b><span style="font-family:Verdana;">: A good vitamin D status was observed in all studied infants irrespective of their nutritional status and significant correlation with BCG vaccine induced IFN-</span><i><span style="font-family:Verdana;">γ</span></i><span style="font-family:Verdana;">.展开更多
目的评价青年与中老年良性阵发性位置性眩晕(benign paroxysmal positional vertigo,BPPV)患者血清骨代谢指标的差异。方法选取2018年3月至2020年1月解放军总医院第三医学中心收治的青年BPPV患者57例为A组,中老年BPPV患者70例为B组,同...目的评价青年与中老年良性阵发性位置性眩晕(benign paroxysmal positional vertigo,BPPV)患者血清骨代谢指标的差异。方法选取2018年3月至2020年1月解放军总医院第三医学中心收治的青年BPPV患者57例为A组,中老年BPPV患者70例为B组,同期无眩晕及平衡障碍的成年体检者40例为C组。评估所有入组者的骨吸收标志物Ⅰ型胶原羧基端降解产物(β-C-terminal telopeptide of type I collagen,β-CTX)、骨合成标志物总Ⅰ型前胶原氨基端延长肽(N-terminal peptide of typeⅠprocollagen,TPINP)、骨钙素(OSTEOC)、维生素D水平。结果A组57例,男16例,女41例,年龄18~44岁,平均(36.58±6.97)岁;B组70例,男20例,女50例,年龄≥45岁,平均(52.57±5.92)岁;C组40例,男15例,女25例,年龄22~73岁,平均(49.96±16.36)岁。A组的维生素D缺乏者比例最高,为49.1%,不足者占43.9%;B组维生素D缺乏者占21.4%,不足者占51.4%。3组VIT-D值分别为(14.97±5.13)、(17.01±5.53)、(21.81±9.88)ng/ml,A组最低,3组间比较,差异有统计学意义(P=0.002)。3组TPINP值均为正常范围,差异有统计学意义(P=0.002);3组间β-CTX、OSTEOC值比较,差异无统计学意义(P>0.05)。结论BPPV患者维生素D平均值低于健康人,BPPV的发生可能与维生素D异常有关;青年BPPV组维生素D平均值最低,维生素D缺乏的患者在该组的占比最大,临床上青年BPPV患者的维生素水平尤其需要被关注。展开更多
文摘<b><span style="font-family:Verdana;">Background:</span></b><span style="font-family:""><span style="font-family:Verdana;"> Vitamin D has an immuomodulatory role in vaccine response and this may be mediated via its action on antigen presenting cells with the most potent effects on dendritic cells. </span><b><span style="font-family:Verdana;">Aim of work</span></b><span style="font-family:Verdana;">: was to determine if there is an association between circulating 25(OH)D concentrations and BCG vaccine cytokine response (interferon gamma) level. </span><b><span style="font-family:Verdana;">Methods</span></b><span style="font-family:Verdana;">: A cross sectional study included 80 infants aged 4 - 9 months from the pediatric outpatient clinic of Al-Zahraa university hospital (40 with normal weight and 40 with </span><span style="font-family:Verdana;">underweight). Participants were subjected to history taking, clinical examination, and laboratory investigations, particularly 25 hydroxy vitamin D [25(OH)D]</span><span style="font-family:Verdana;"> and BCG vaccine-induced interferon gamma (IFN-</span><i><span style="font-family:Verdana;">γ</span></i><span style="font-family:Verdana;">). </span><b><span style="font-family:Verdana;">Results</span></b><span style="font-family:Verdana;">: The study showed that the underweight group had a lower socioeconomic level and higher percentage of breastfeeding compared with the normal weight group. Most infants in our study received vitamin D supplementation (80% and 62.5% in normal and underweight groups, respectively). The average serum level of 25(OH)D was relatively high (>100 ng/ml) in both</span><a name="_Hlk34497752"></a><span style="font-family:Verdana;"> normal and underweight groups. The mean levels of IFN-</span><i><span style="font-family:Verdana;">γ</span></i><span style="font-family:Verdana;"> in response to BCG vaccine were not significantly different between the normal and underweight groups of infants in our study. Also, there was a statistically-significant moderate correlation between serum levels of 25(OH)D and BCG vaccine-induced IFN-</span><i><span style="font-family:Verdana;">γ</span></i><span style="font-family:Verdana;"> in both normal (r = 0.58) and underweight (r = 0.64) groups. </span><b><span style="font-family:Verdana;">Conclusion</span></b><span style="font-family:Verdana;">: A good vitamin D status was observed in all studied infants irrespective of their nutritional status and significant correlation with BCG vaccine induced IFN-</span><i><span style="font-family:Verdana;">γ</span></i><span style="font-family:Verdana;">.
文摘目的评价青年与中老年良性阵发性位置性眩晕(benign paroxysmal positional vertigo,BPPV)患者血清骨代谢指标的差异。方法选取2018年3月至2020年1月解放军总医院第三医学中心收治的青年BPPV患者57例为A组,中老年BPPV患者70例为B组,同期无眩晕及平衡障碍的成年体检者40例为C组。评估所有入组者的骨吸收标志物Ⅰ型胶原羧基端降解产物(β-C-terminal telopeptide of type I collagen,β-CTX)、骨合成标志物总Ⅰ型前胶原氨基端延长肽(N-terminal peptide of typeⅠprocollagen,TPINP)、骨钙素(OSTEOC)、维生素D水平。结果A组57例,男16例,女41例,年龄18~44岁,平均(36.58±6.97)岁;B组70例,男20例,女50例,年龄≥45岁,平均(52.57±5.92)岁;C组40例,男15例,女25例,年龄22~73岁,平均(49.96±16.36)岁。A组的维生素D缺乏者比例最高,为49.1%,不足者占43.9%;B组维生素D缺乏者占21.4%,不足者占51.4%。3组VIT-D值分别为(14.97±5.13)、(17.01±5.53)、(21.81±9.88)ng/ml,A组最低,3组间比较,差异有统计学意义(P=0.002)。3组TPINP值均为正常范围,差异有统计学意义(P=0.002);3组间β-CTX、OSTEOC值比较,差异无统计学意义(P>0.05)。结论BPPV患者维生素D平均值低于健康人,BPPV的发生可能与维生素D异常有关;青年BPPV组维生素D平均值最低,维生素D缺乏的患者在该组的占比最大,临床上青年BPPV患者的维生素水平尤其需要被关注。