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为了解高原高寒地区新生儿染色体畸变情况,1998年谭德根等做了不同海拔高度新生儿染色体畸变观察比较研究,分析了高原16例,喀什20例,西安30例,结果:①高原组新生儿中,染色体发生结构改变的10例,占62．5％,明显高于喀什组30．0％及西安组6．66％(P<0．01),喀什组又高于西安组(P<0．05);②高原新生儿染色体计数观察1594个, 发生畸变83个,占5．2077％,明显高于喀什组2．401％及西安组1．532％(P<0．01);③高原组新生儿染色体结构异常
In order to understand the chromosomal aberrations of neonates in the plateau and alpine region, Tan Degen et al made a comparative study of chromosomal aberrations in newborns at different altitudes in 1998, and analyzed 16 cases of plateaus, 20 cases of Kashi and 30 cases of Xi’an. Results: , 10 cases (62.5%) with structural changes of chromosomes were significantly higher than those in Kashi group (30.0%) and Xi’an group (6.66%, P <0.01) .05). ②In the survey of 1594 chromosomes in neonates with high altitude, 83 were found with aberration, accounting for 5.2077%, significantly higher than that of Kashi group (2.401%) and Xi’an group (1.532%, P <0.01); Chromosome structural abnormalities in neonates in plateau group