Effects of Recruitment Maneuver During Intraoperative Period

Balikesir University80 enrolled

Overview

The aim of this study is to observe the effect of respiratory recruitment maneuver on intraoperative ventilatory parameters and postoperative pulmonary complications in patients over 18 years scheduled for laparoscopic hysterectomy.

In patients over 18 years who are scheduled for laparoscopic hysterectomy volunteering to participate in our study will receive anesthesia induction with one of our standard general anesthesia protocols. After intubation recruitment maneuver will be applied to the study group. General anesthesia and mechanical ventilation will be continued and completed according to our standard practice without any further intervention. Throughout the intraoperative period respiratory and haemodynamic parameters including compliance, airway resistance, mean arterial pressure, heart rate, pulse oxymetry, blood gas analysis, the applied inhalational anesthetic agent, minimum alveolar concentration, expiratory agent concentration and total agent consumption will be recorded. At the end of the operation anesthesia will be terminated and patients will be transferred to postanesthesia care unit (recovery unit after recovery and further discharged from to the ward when their Aldrete score is \>8. The patients will be examined for respiratory complications on postoperative day 1, and will be followed up by telephone on day 5.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

PREVENTION

Masking

TRIPLE

Enrollment

Conditions

Laparoscopic Hysterectomy

Interventions

Alveolar Recruitment maneuver (ARM) +PEEPPROCEDURE

Following anesthesia induction and intubation, alveolar recruitment maneuver followed by 5 mmHg PEEP

PEEPPROCEDURE

Following anesthesia induction and intubation, only 5 mmHg PEEP

Eligibility

Sex: FEMALEMin age: 18 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * American Society of Anesthesiology (ASA) I-II * \> 18 y * laparoscopic hysterectomy patients Exclusion Criteria: * Patient refusal to participate in the study * \<18 y, BMI\> 40 * Patients receiving invasive MV support in the last 1 month * Patients who received chemotherapy or radiotherapy in the last 2 months * Patients with severe pulmonary disease (COPD, asthma, pulm infection, bronchiectasis) (those who have previously received Non-Invasive MV, oxygen therapy or steroid therapy for an acute attack) * Those with known severe pulmonary Hypertension * Intracranial tm * Hemodynamic instability * Shock. * Neuromuscular disease

Locations (1)

Balikesir University

Balıkesir, Turkey (Türkiye)

Outcomes

Primary Outcomes

measurement of change in airway compliance

the patients airway compliance will be monitorised as milliliter / centimeter of water (mL/cmH2O) continuously by the anesthesia machine and will be recorded intermittently.

Time frame: T1:1minute(min)after intubationT2:5 min after Mechanical Ventilation(MV),T3:5 min after pneumoperitoneum,T4:3 min after Trendelenburg position(TP),T5:10 min after TP T6:20 min after TP T7:10 min after pneumoperitoneum deflation T8:1 min before extubation

measurement of change in Airway resistance

the patients airway compliance will be monitorised as centimeter of water/ liter/ minute (cmH2O/L/min) continuously by the anesthesia machine and will be recorded intermittently.

Time frame: T1:1 minute after intubationT2:5 min after MV T3:5 minute after pneumoperitoneum T4:3 minute after Trendelenburg position (TP) T5:10 minutes after TP T6:20 minutes after TP T7:10 minutes after pneumoperitoneum deflation T8:1 minute before extubation

measurement of change in partial oxygen pressure (PaO2)

Arterial blood samples will be obtained and analysed. PaO2 will be recorded from these samples.

Time frame: T1:1 minute after intubation T7: 10 minute after pneumoperitoneum deflation

Secondary Outcomes

Evaluation of Postoperative respiratory distress, cough, phlegm

Pulmonary complications including respiratory distress, cough, phlegm will be evaluated by questionnaire and recorded.

Time frame: T9: 24 hours after surgery . T10: on postoperative day 5

Data from ClinicalTrials.gov

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