Chalmers I, Dauncey M E, Verrier-Jones E R, Dodge J A, Gray O P
Br Med J. 1978 Oct 21;2(6145):1119-21. doi: 10.1136/bmj.2.6145.1119.
The incidence of respiratory distress syndrome (RDS) among singleton infants of Cardiff residents was greater during 1970-4 than in the preceding five years. This was consistent with changes in the distribution of gestational age and birth weight. Case fatality rates among infants with RDS fell only slightly during the period examined. Detailed examination of secular trends during 1965-75 suggested (a) that increased use of elective delivery without assessment of pulmonary maturity increases the risk of RDS, and (b) that innovations in the management of RDS during the early 1970s cannot be assumed to have had widespread impact on case fatality rates.
1970年至1974年间,加的夫居民单胎婴儿呼吸窘迫综合征(RDS)的发病率高于此前五年。这与胎龄和出生体重分布的变化一致。在所研究的时期内,患有RDS的婴儿的病死率仅略有下降。对1965年至1975年期间长期趋势的详细研究表明:(a)在未评估肺成熟度的情况下增加择期分娩的使用会增加患RDS的风险;(b)不能认为20世纪70年代初RDS治疗方法的创新对病死率产生了广泛影响。