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为了解兰州市哺乳期妇女尿碘水平,于2010年4月至2011年8月随机抽取在该市各县(区)医院分娩并进行围产期保健的哺乳期妇女1 633名为调查对象,采用WS/T107—1999《尿中碘的砷铈催化分光光度测定方法》测定尿碘。尿碘中位数≥150μg/L为碘营养适宜,<100μg/L为碘营养摄入不足,其中轻、中及重度缺碘界值分别为50~100、25~49及<25μg/L。结果显示,被调查哺乳期妇女的尿碘中位数为159.69μg/L,但城关区和七里河区哺乳期妇女的尿碘中位数均低于150μg/L(分别为120.39和148.17μg/L);尿碘值低于100μg/L者占29.88%,轻、中及重度碘缺乏者分别占18.00%,7.65%和4.23%;城关区尿碘值低于100μg/L的比例最高(占41.73%),其次为七里河区(占39.24%)。提示兰州市哺乳期妇女存在碘营养摄入不足的情况,尤以城关区及七里河区更为严重。
To understand the level of urinary iodine in lactating women in Lanzhou City, 1 633 lactating women were randomly selected from April 2010 to August 2011 in all county (district) hospitals in the city to perform perinatal health care. Determination of urinary iodine using the WS / T107-1999 “urinary arsenic cerium catalytic spectrophotometry.” The median urinary iodine≥150μg / L is appropriate for iodine nutrition, and <100μg / L is inadequate for iodine nutrition. The thresholds for light, medium and severe iodine deficiency are 50-100, 25-49 and <25μg / L, respectively. The median urinary iodine concentration was 159.69 μg / L in lactating women, but the urinary iodine median of lactating women in Chengguan District and Qilihe District was lower than 150 μg / L (120.39 and 148.17 μg / L, respectively) L), urinary iodine value less than 100μg / L accounted for 29.88%, mild, moderate and severe iodine deficiency accounted for 18.00%, 7.65% and 4.23% respectively; the highest urinary iodine value was less than 100μg / L 41.73%), followed by Qilihe District (39.24%). Tip Lanzhou lactating women there is insufficient intake of iodine nutrition situation, especially in Chengguan District and Qilihe district is more serious.