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Associations Between Preoperative Hemoglobin A1c level and Postoperative Complications After Surgery Under General Anesthesia

The effect of preoperative glycated hemoglobin A1c levels on postoperative complications and prognosis after general anesthesia : A single-center retrospective, observational, cohort study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500104768
Enrollment
Unknown
Registered
2025-06-23
Start date
2024-08-01
Completion date
Unknown
Last updated
2025-06-30

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

Conditions

Postoperative complications ( including acute kidney injury (AKI), postoperative nausea and vomiting (PONV), etc. )

Interventions

Case series:None

Sponsors

Peking Union Medical College Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Adult diabetic patients who were hospitalized at Peking Union Medical College Hospital from January 1, 2013 to June 30, 2024 and underwent general anesthesia surgery, and whose glycated hemoglobin levels were tested within three months before the surgery.

Exclusion criteria

Exclusion criteria: 1. Patients with moderate to severe anemia ( Hb = 9 mg / dl ). 2. Patients with hemoglobinopathy ( hemoglobin variants and thalassemia ); 3. Patients who received blood transfusion before surgery ( within three months ); 4. underwent cardiac or obstetric surgery.

Design outcomes

Primary

MeasureTime frame
Perioperative complications;—

Secondary

MeasureTime frame
ICU Length of stay;Length of stay;ICU admission;Death;Duration of mechanical ventilation;—

Countries

China

Contacts

Public ContactLe Shen

Peking Union Medical College Hospital

pumchshenle@163.com+86 10 69152021

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026