Speer M E, Corbet A J, Flax P, Rudolph A J
Acta Paediatr Scand. 1977 Jul;66(4):485-7. doi: 10.1111/j.1651-2227.1977.tb07931.x.
To evaluate the usefulness of the foam stability test (FST) on gastric aspirate for predicting respiratory distress syndrome (RDS) in premature infants, samples were collected at delivery or within 30 min from 194 infants less than or equal to 36 weeks gestation. Of 123 samples adequate for complete testing, 44 were positive at 1 : 2 dilution, 43 were positive only at dilutions less than 1 : 2 and 36 were negative at all dilutions. RDS was found in 2%, 21% and 25% of each group respectively. The FST on gastric aspirate at birth gives useful information only if positive at 1 : 2 when a very low incidence of RDS may be expected. However, a large proportion of infants with FST negative at 1 : 1 do not develop RDS, and hence the test is of limited value in screening for those with highest risk.
为评估胃吸出物泡沫稳定性试验（FST）对预测早产儿呼吸窘迫综合征（RDS）的有效性，在分娩时或30分钟内从194例孕周小于或等于36周的婴儿中采集样本。在123份适合完整检测的样本中，44份在1:2稀释度时呈阳性，43份仅在小于1:2的稀释度时呈阳性，36份在所有稀释度时均为阴性。每组中分别有2%、21%和25%的婴儿发生RDS。出生时胃吸出物的FST仅在1:2呈阳性时才提供有用信息，此时预计RDS的发生率非常低。然而，很大一部分在1:1时FST为阴性的婴儿并未发生RDS，因此该试验在筛查高危婴儿方面价值有限。
