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Ratio of carbon dioxide uptake vs oxygen uptake at tissue level(Respiratory extraction ratio) for predicting post-operative complication in old age patients posted for gastro-intestinal cancer surgery.

Evaluation of Respiratory Exchange Ratio (RER) for predicting postoperative outcomes in Elderly Patients undergoing Oncological Resection for Gastrointestinal Malignancies ââ?¬â?? A prospective cohort study - RER

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2021/12/038358
Enrollment
46
Registered
2021-12-01
Start date
Unknown
Completion date
Unknown
Last updated
2022-10-17

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

Conditions

Health Condition 1: K87- Disorders of gallbladder, biliarytract and pancreas in diseases classified elsewhere Health Condition 2: C260- Malignant neoplasm of intestinal tract, part unspecified

Interventions

None listed

Sponsors

Nizams Institute of Medical Sciences
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Patients posted for curative resection surgery for gastrointestinal malignancy.

Exclusion criteria

Exclusion criteria: 1. Patients scheduled laparoscopic onco-surgery 2. Patients on oxygen therapy or poor cardiac function 3. Those who refuse to participate 4. Patients with a serious adverse event (cardiac arrest, anaphylactic shock etc.) in intraoperative period that prevents study continuation

Design outcomes

Primary

MeasureTime frame
Ability of RER at the end of surgery to detect post-operative complicationsTimepoint: 7 days post-operative period—

Secondary

MeasureTime frame
Ability of Lactate level, Scvo2, Arterio-venous Co2 gap,in detecting posTimepoint: 7 days post-operative period—

Countries

India

Contacts

Public ContactAkhya Kumar Kar

Nizams Institute of Medical Sciences

karakshay@gmail.com8143385838

Outcome results

None listed

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