Evidence map›Paper›PMID 40887666›Full record

Observational studyEuropean journal of medical research2025

Reduced phosphatidylcholine and phosphatidylethanolamine levels correlate with inflammatory activation in sepsis-associated encephalopathy.

Mubing Qin, Shiyuan Yu, Xin Lu, Chao Gong, Zengrui Song, Huadong Zhu, Yanxia Gao, Yi Li

Registry-linked trialAbstract readObservational Study
In one paragraph

Observational study in European journal of medical research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04230447 (Peking Union Medical College Hospital), which is not on this map. Cited by 2 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT04230447 recruitingnot on this map

Peking Union Medical College Hospital

TypeobservationalSponsorYi Li, MDRan2021 to 2030Enrolled3,000ConditionsSepsis-Associated EncephalopathyArmsNo intervention
3 · Its place in the literature

Who cites it

2 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Clinical lipidomics in bacterial sepsis: a systematic review of serum and plasma evaluations.Metabolomics : Official journal of the Metabolomic Society · 2026
    Pooled it
  2. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Mubing QinEmergency Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
Shiyuan YuEmergency Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
Xin LuEmergency Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
Chao GongEmergency Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
Zengrui SongEmergency Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
Huadong ZhuEmergency Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
Yanxia GaoEmergency Department, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
Yi LiEmergency Department, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China. billliyi@126.com.

Funding

CAMS Innovation Fund for Medical Sciences (CIFMS) 2021-1-I2M-020National High Level Hospital Clinical Research Funding 2022-PUMCH-B-109National Natural Science Foundation of China 82402543Special Research Fund for Central Universities, Peking Union Medical College 3332024120
6 · The paper itself

Abstract

backgroundSepsis-associated encephalopathy (SAE) is a severe complication of sepsis, often leading to poor neurological outcomes. Lipid molecules are increasingly recognized for their potential involvement in both sepsis and cognitive impairment. However, the relationship between lipidomic alterations and SAE remains incompletely understood. This study aims to investigate lipidomic changes in patients with SAE and explore potential associations between lipid metabolism and the development of SAE.

methodsSepsis patients without pre-existing central nervous system disorders were prospectively enrolled. SAE was defined as a positive result on the Confusion Assessment Method for the ICU (CAM-ICU) or a Glasgow Coma Scale (GCS) score < 15. Blood samples were collected at enrollment and upon any change in cognitive status. Cerebrospinal fluid (CSF) samples were collected based on the physician assessment. Lipid metabolites were analyzed using high-performance liquid chromatography coupled with mass spectrometry.

resultsA total of 98 sepsis patients were enrolled, with 39 classified into the SAE group and 59 into the non-SAE group. Plasma levels of phosphatidylethanolamines (PE) and phosphatidylcholines (PC) were significantly decreased in SAE patients. Among these, LPC (18:2), LPC (16:0), LPE (22:6), and LPE (20:4) showed the most notable reductions. Additionally, 3-hydroxy-3-methylglutaryl coenzyme A(HMG-CoA) levels were decreased in SAE patients, while proinflammatory cytokines such as IFN-γ, IL-1ra, MCP-1, and IP-10 were elevated.

conclusionReduced levels of PC and PE lipids in SAE patients may reflect underlying inflammatory processes. The observed downregulation of HMG-CoA and upregulation of IP-10 and MCP-1 suggest a potential therapeutic role for statins in the management of SAE. Clinical Trial Registry number and website where it was obtained: Clinical Trial NCT04230447 (Registration Date: 01/02/2021; https://www. CLINICALTRIALS: gov/study/NCT04230447?cond=Sepsis%20Associated%20Encephalopathy&rank=4 ).

Indexed as

InflammationPhosphatidylcholinesPhosphatidylethanolaminesSepsisSepsis-Associated EncephalopathyAgedBiomarkersFemaleHumansMaleMiddle AgedProspective StudiesBiomarkersPhosphatidylcholinesphosphatidylethanolaminePhosphatidylethanolaminesInflammationLipidomicSepsisSepsis-associated encephalopathy

Identifiers

PMID40887666
PMCPMC12398994

What Socratic holds

Textmetadata
LicenceCC BY-NC-ND
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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.