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目的：探讨小儿气道异物对血液酸碱失调的影响。方法：检测５０ 例小儿气道异物的血气和电解质，并与正常儿童对照。计算阴离子间隙（ＡＧ），判断血液酸碱失调类型。结果：异物组血气多项指标和Ｋ＋ 与对照组有显著性差异；５０ 例中，２５ 例为单纯性酸碱失调，１９ 例混合性酸碱失调，６ 例血液酸碱平衡。高ＡＧ ３１ 例，正常１８例，低ＡＧ １ 例。结论：小儿气道异物可致血液酸碱失调，以单纯性代谢性酸中毒和混合性代谢性酸中毒加呼吸性碱中毒类型为主，并以ＡＧ增大的代谢性酸中毒多见
Objective: To investigate the influence of pediatric airway foreign bodies on blood acid-base disorders. Methods: Blood gases and electrolytes in 50 cases of pediatric airway foreign bodies were detected and compared with normal children. Calculate the anion gap (AG), to determine the type of blood acid-base disorders. Results: There were significant differences in multiple blood gas indexes and K + in the foreign body group and the control group. Among the 50 cases, 25 were simple acid-base disorders, 19 mixed acid-base disorders and 6 blood acid-base balance. There were 31 cases of high AG, 18 cases of normal and 1 case of low AG. Conclusion: Pediatric airway foreign body can cause blood acid-base imbalance, with simple metabolic acidosis and mixed metabolic acidosis plus respiratory alkalosis type and AG metabolic acidosis more common