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Preoperative Hypokalaemia and Timing of Potassium Supplementation in Middle-Aged and Older Patients Undergoing Elective Gastrointestinal Surgery: A Retrospective Cross-Sectional Study

A Large-Sample Retrospective Study of Preoperative Acid-Base Disorders in Patients Undergoing Elective Surgery

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600116173
Enrollment
Unknown
Registered
2026-01-06
Start date
2023-06-01
Completion date
Unknown
Last updated
2026-01-12

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

Conditions

Electrolyte Imbalance

Interventions

Normokalemic:None
Preoperative hypokalemia:None

Sponsors

The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
Lead Sponsor

Eligibility

Sex/Gender
All
Age
45 Years to No maximum

Inclusion criteria

Inclusion criteria: (1) patients aged >=45 years undergoing elective gastrointestinal tumor surgery; (2) ASA grade I-IV; (3) Expected operation time >30 minutes

Exclusion criteria

Exclusion criteria: (1) decreased preoperative serum potassium value; (2) eGFR<60 mL/min/1.73 m²; (3) family history of hypokalemia; (4) emergency surgery; (5) simultaneous multi-cavity surgery.

Design outcomes

Primary

MeasureTime frame
Prevalence of preoperative hypokalemia;Risk factors of preoperative hypokalemia;—

Secondary

MeasureTime frame
Anesthesia Duration;Length of stay in the post-anesthesia care unit (PACU);Hospital length of stay (LOS);Statified by timing of potassium correction;—

Countries

China

Contacts

Public ContactQunying Wang

The First Affiliated Hospital of Chongqing Medical University

1667426770@qq.com+86 173 3838 3624

Outcome results

None listed

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