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This study aims to find out which of two ventilation methods (volume-controlled or pressure-controlled) is better for patients undergoing robotic surgery for lower abdominal cancer, while they are positioned in a slight head-down tilt (Trendelenburg position).

Effect of volume and pressure controlled ventilation on arterial to end-tidal carbondioxide gradient P(a-ET)CO2 in patients undergoing robotic lower abdominal oncological surgery in the trendelenburg position :a randomised prospective comparative study - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2025/02/080597
Enrollment
42
Registered
2025-02-14
Start date
Unknown
Completion date
Unknown
Last updated
2025-03-03

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

Conditions

Health Condition 1: C762- Malignant neoplasm of abdomen Health Condition 2: C763- Malignant neoplasm of pelvis

Interventions

Control Intervention1: Pressure controlled ventilation: Effect of pressure controlled ventilation on arterial to end tidal carbondioxide gradient Control Intervention2: Volume controlled ventilation:

Sponsors

DR NISHANTHI M
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1.ASA Grade I & II 2.Patients with BMI between 18.5 AND 30kg/m2 3.Patients undergoing elective Robotic lower abdominal and pelvic surgery in the trendelenberg position

Exclusion criteria

Exclusion criteria: 1.Patient refusal 2.BMI more than35 3.Chronic smokers 4.Documented chronic obstructive pulmonary disease. 5.Increased Pulmonary artery pressure in Echocardiography 6.Poor cardiac reserve 7.Asthma or other chronic lung diseases

Design outcomes

Primary

MeasureTime frame
To assess the effects of two different ventilatory modes, PCV and VCV on Arterial to end tidal carbondioxide gradient P(a-ET) CO2 in patients undergoing elective robotic lower abdominal and pelvic oncological surgeryTimepoint: 10HOURS—

Secondary

MeasureTime frame
To compare the effects of VCV & PCV in Peak airway pressure (Paw),Dynamic compliance (Cdyn),Alveolar to arterial oxygen gradient (P(A-a)O2),Hemodynamics & to measure Alveolar dead space fraction (AVDSF) by modified Bohrs equation in elective robotic lower abdominal & pelvic oncological surgeryTimepoint: 10 HOURS—

Countries

India

Contacts

Public ContactDR ROOPA BO

Kidwai memorial Institute of oncology

arathibh@gmail.com9845285207

Outcome results

None listed

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