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Predictive Performance of GNRI and PNI for Postoperative AKI Among Elderly Patients Undergoing Different Cardiac Procedures

Comparison of the predictive efficacy of GNRI and PNI for postoperative acute kidney injury in elderly patients receiving different cardiac surgical procedures

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600127453
Enrollment
Unknown
Registered
2026-07-01
Start date
2026-04-01
Completion date
Unknown
Last updated
2026-07-13

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

Conditions

Acute Kidney Injury

Interventions

Acute kidney injury group:nothing
non-acute kidney injury group:nothing

Sponsors

The Affiliated Hospital of Xuzhou Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
60 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1. Age is 18 years or older. 2. Patients who underwent elective heart surgery (with or without extracorporeal circulation) due to heart disease at Xuzhou Medical University Affiliated Hospital, and were admitted to the ICU and received mechanical ventilation after the surgery. 3. People who completed the tests of serum albumin, lymphocyte count, and creatinine within 7 days before the surgery and 7 days after the surgery. 4. Patients with ASA classification of I-III.

Exclusion criteria

Exclusion criteria: 1. Serum albumin or lymphocyte count was missing before and after the surgery. 2. Preoperative end-stage renal disease (eGFR 1.2 mg/dl, requires dialysis. 3. Preoperative chronic kidney disease for >= 3 months [Chronic kidney disease: a. Proteinuria (urine protein excretion rate >= 30mg/24h); b. Urinary microalbumin to creatinine ratio >= 3mg/mmol; c. Abnormal urine sediment microscopic examination; d. Electrolyte abnormalities or other abnormalities caused by renal tubular dysfunction; e. Abnormal renal histological examination; f. Abnormal renal structure detected by imaging; g. History of kidney transplantation; h. Glomerular filtration rate reduction 200 µmol/L. 6. Missing variables >= 3. 7. Death or loss to follow-up within 7 days after surgery. 8. Complicated with malignant tumor;

Design outcomes

Primary

MeasureTime frame
Acute Kidney Injury;

Secondary

MeasureTime frame
pulmonary infection;Mechanical ventilation duration;Length of stay in the ICU;Postoperative hospital stay;Total hospital stay;

Countries

China

Contacts

Public ContactZhao Wenjing

Department of Critical Care Medicine, The Affiliated Hospital of Xuzhou Medical University

Zhaowj886@sina.com+86 138 5215 7285

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jul 23, 2026