NEW information from a retrospective cohort research discovered that platelet transfusion was related to an elevated danger of acute kidney injury (AKI) amongst sufferers with sepsis and extreme thrombocytopenia. The findings prompt that prophylactic platelet transfusion within the absence of energetic bleeding could warrant warning, though the research didn’t set up a causal relationship.
Researchers evaluated 1,413 adults who met Sepsis-3 standards, had platelet counts under 50×10^9/L, and had no energetic bleeding. Of those sufferers, 640 obtained platelets inside 48 hours of sepsis onset, whereas 773 didn’t. The first end result was stage 2 or increased AKI based mostly on creatinine standards inside a 7-day window.
Increased AKI Threat After Transfusion
After propensity rating matching, AKI occurred in 64.9% of sufferers who obtained platelet transfusions in contrast with 55.3% of those that didn’t. Platelet transfusion remained related to increased odds of AKI after adjustment (odds ratio [OR]: 1.55; 95% CI: 1.15–2.09; p=0.004).
The researchers additionally recognized a borderline dose response, with the chances of AKI rising by 3% for every extra 1 mL/kg of platelet transfusion (OR: 1.03; p=0.037). Restricted cubic spline evaluation supported a linear affiliation, with no proof of non-linearity (p=0.72).
The route of the affiliation remained constant throughout 12 sensitivity analyses. A landmark evaluation excluding sufferers whose AKI developed earlier than their first transfusion additionally discovered an affiliation (adjusted OR: 1.32; p=0.044). Nonetheless, platelet transfusion was not related to 30-day all-cause mortality after adjustment (p=0.877).
Findings Require Potential Affirmation
The affiliation between platelet transfusion and AKI was attenuated after adjustment for concurrent pink blood cell transfusion (adjusted OR: 1.24; p=0.132). This indicated that co-transfusion could have acted as a related confounding issue.
The researchers subsequently concluded that prophylactic platelet transfusion was related to a better AKI danger throughout a number of analytical approaches, however the retrospective design and attenuation following blood product adjustment prevented causal conclusions.
For clinicians managing sufferers with sepsis and extreme thrombocytopenia, the findings help warning round liberal platelet transfusion. Potential research are wanted to find out whether or not platelet transfusion immediately contributes to AKI and to make clear the scientific implications of transfusion methods on this inhabitants.
Reference
Karanci Y, Ciyiltepe F. Affiliation between platelet transfusion and acute kidney harm in septic sufferers with extreme thrombocytopenia. Sci Rep. 2026;DOI:10.1038/s41598-026-61246-7.
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