小児敗血症における輸液治療の比較臨床試験 (Clinical trial finds no difference in fluid treatment options for pediatric sepsis)

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2026-04-24 アメリカ国立衛生研究所(NIH)

米国のNational Institutes of Health(NIH)が主導した臨床試験により、小児敗血症に対する2種類の輸液療法(主に生理食塩水とバランス輸液)間で治療効果に有意差がないことが明らかになった。大規模試験の結果、死亡率や臓器障害など主要な臨床指標において両群に統計的な差は見られず、従来議論されてきた輸液選択の優劣に再考を促す内容となった。本研究は、治療法の選択を柔軟にし、現場での意思決定や医療資源の最適化に寄与する可能性がある。小児集中治療におけるエビデンスの強化として重要な成果である。

<関連情報>

敗血症性ショックの治療を受けた小児におけるバランス輸液または0.9%生理食塩水 Balanced Fluid or 0.9% Saline in Children Treated for Septic Shock

Fran Balamuth, M.D., Ph.D., Scott L. Weiss, M.D., Elliot Long, B.M., B.S., Ph.D., Graham C. Thompson, M.D., Amanda S. Artis, M.S., M.P.H., Atzael B. Campos, M.S., Meredith L. Borland, M.B., B.S., +55 , for the PRoMPT BOLUS Investigators of the PECARN, PERC, and PREDICT Networks
The New England Journal of Medicine  Published: April 23, 2026
DOI: 10.1056/NEJMoa2601969

Abstract

Background

Whether treatment with balanced crystalloid fluid leads to better outcomes than 0.9% saline in children treated for septic shock is debated.

Methods

In this pragmatic clinical trial conducted at 47 emergency departments in five countries, patients (2 months to <18 years of age) with suspected septic shock and abnormal perfusion were randomly assigned to receive fluid resuscitation with either balanced fluid or 0.9% saline for up to 48 hours. The primary outcome was a major adverse kidney event (a composite of death, new renal-replacement therapy, or persistent kidney dysfunction) at 30 days after enrollment or hospital discharge, whichever occurred first.

Results

Of 9041 enrolled patients, 277 (6.1%) in the balanced-fluid group and 282 (6.2%) in the 0.9%-saline group withdrew from the trial, leaving 4235 and 4247 patients, respectively, for analysis. A primary-outcome event occurred in 137 patients (3.4%) in the balanced-fluid group and in 124 (3.0%) in the 0.9%-saline group (difference, 0.4 percentage points; 95% confidence interval [CI], −0.5 to 1.3; risk ratio, 1.10; 95% CI, 0.88 to 1.40; P=0.85). The median number of hospital-free days during 28 days after enrollment was 23 (interquartile range, 19 to 25) in both groups. Hyperchloremia occurred in 868 patients (31.4%) in the balanced-fluid group and in 1383 (49.0%) in the 0.9%-saline group; hypernatremia in 52 (1.8%) and 89 (3.1%), respectively; and hyperlactatemia in 260 (19.8%) and 228 (16.7%). No differences in other safety outcomes or adverse events were seen.

Conclusions

Among children treated for septic shock, no significant difference was seen in the incidence of death, new renal-replacement therapy, or persistent kidney dysfunction when fluid resuscitation was administered with balanced fluid as compared with 0.9% saline. (Funded by Eunice Kennedy Shriver National Institute of Child Health and Human Development and others; PRoMPT BOLUS ClinicalTrials.gov number, NCT04102371.)

医療・健康
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