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Association Between Perioperative Lactate Levels and Acute Kidney Injury After Cardiac Surgery: A Retrospective Cohort Study

A study on the association and predictive value of acute kidney injury after cardiac surgery and serum lactate levels

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600126228
Enrollment
Unknown
Registered
2026-06-05
Start date
2026-07-01
Completion date
Unknown
Last updated
2026-06-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acute Kidney Injury

Interventions

Aki group and non AKI group:None

Sponsors

Affiliated Hospital of Yangzhou University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Age >= 18 years, gender not limited; 2. Type of surgery: Cardiac surgery (including but not limited to: coronary artery bypass grafting, valve surgery, aortic dissection surgery, congenital heart disease correction surgery, etc.); 3. Data completeness: Complete perioperative clinical data, including: preoperative baseline creatinine level; intraoperative and postoperative lactate monitoring data (including at least 3 time points from 1h, 2h, 6h, and 12h postoperatively); at least one postoperative creatinine test (within 48 hours or 7 days postoperatively); 4. Informed consent must be signed by the patient or their family, indicating voluntary participation in this study.

Exclusion criteria

Exclusion criteria: 1. Patients diagnosed with chronic kidney disease (CKD) stage 3-5 (eGFR 4 mmol/L within 24 hours preoperatively with a clear cause (e.g., severe infection, shock, liver failure, etc.); 3. Patients with severe liver disease (Child-Pugh class C), end-stage malignant tumors, or coagulation disorders; 4. Patients experiencing severe complications during surgery (e.g., massive hemorrhage, cardiac arrest > 10 min with unsuccessful resuscitation) leading to surgical interruption or death within 24 hours postoperatively; 5. Patients with severely missing clinical data or unable to complete follow-up; 6. Pregnant or lactating patients; 7. Patients participating in other interventional clinical trials concurrently; 8. Patients who refuse to participate.

Design outcomes

Primary

MeasureTime frame
Incidence of postoperative acute kidney injury (AKI);Perioperative Lactate Levels;

Secondary

MeasureTime frame
Postoperative hospital stay, intensive care unit (ICU) stay;30-day postoperative mortality;

Countries

China

Contacts

Public ContactChenlong Yi

Affiliated Hospital of Yangzhou University

yichenlong_001@163.com+86 180 5106 3223

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jun 11, 2026