Effects of Recruitment Maneuver on Functional Residual Capacity

Istanbul University

Status: Completed

Conditions: Surgery; Atelectasis; Anesthesia

Treatments: Procedure: recruitment maneuver

Study type: Interventional

Funder types: Other

Identifiers

NCT04208737

2018/938

Details and patient eligibility

About

Recruitment maneuver is frequently used in daily anaesthesia routine to prevent athelectasia and ventilation perfusion mismatch. Especially pneumoperitoneum in laparoscopic surgeries affects the functional residual capacity (FRC) negatively. Recently, FRC can be measured at bedside in intensive care units.

The lack of studies evaluating FRC measurements peroperatively and how recruitment maneuvers affect it, attract attention.

Full description

An ICU-ventilator capable to measure the FRC will be used for the mechanical ventilation in patients undergıoing laparoscopic surgery, where anaesthesia maintenance will be achieved with TIVA.

FRC will be measured in different steps of the operation. In the study group, a recruitment manover will be applied to evaluate its effects on FRC.

Enrollment: 50 patients

Sex: All

Ages: 18 to 65 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

1-18-65 years age 2-no lung disease 3-laparoscopic cholecystectomies surgery

Exclusion criteria

1. <18 years old
2. >65 years old
3. denial of patient
4. patients having one of: lung disease, cardiac failure, severe cardiac valvular disease

Trial design

Primary purpose: Screening

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Double Blind

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50 participants in 2 patient groups

control group

No Intervention group

Description:

3 FRC measurements will be perforemed, whereby : First measurement; after aneshesia induction and intubation. Second measurement; after pneumoperitoneum Third measurement; end of the operation After the operation,Postoperative Room Air Test (RAT) will be applied.

study group

Experimental group

Description:

5 FRC measurements will be performed We will apply recruitment maneuver two times to patients with 30cmH2O pressure for 15 seconds . First Recruitment maneuver will be applied after the fşrst measurement of FRC following intubation Second Recuitment maneuver will be applied at the end of operation First FRC measurement after anesthesia induction and intubation. Second FRC measurement after first recruitment maneuver Third FRC measurement; after pneumoperitoneum Fourth FRC measurement before second recruitment maneuver Fifth FRC measurement after second recruitment maneuver and at the end of operation

Treatment:

Procedure: recruitment maneuver