A PROSPECTIVE STUDY ON THE DIAGNOSTIC VALIDITY OF DIAPHRAGMATIC ULTRASOUND PARAMETERS TO PREDICT THE OUTCOME OF WEANING IN POST OPERATIVE MECHANICALLY VENTILATED PATIENTS

I0 个研究点目标入组 0 人开始时间: 待定最近更新: 2023年6月26日

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•All patients in surgical intensive care unit who are above 18yrs on mechanical
•ventilation through endotracheal tube or tracheostomy and eligible for weaning in accordance
•with the following weaning criteria
•Signs of reversal of the principal cause of mechanical ventilation
•Accepted blood oxygenation i.e partial pressure of arterial oxygen (PaO2) equal to more
•than 60mmHg, partial pressure of arterial carbon dioxide(PaCO2)equal to or less than
•45mmHg , fraction of inspired oxygen (FiO2) equal to or less than 0.40, Positive end
•expiratory pressure (PEEP) equal to or less than 5cmH2O and ratio of partial pressure of
•arterial oxygen to the fraction of inspired oxygen equal to or more than 200
•pH > 7.30; RR < 20 breaths/min , heart rate (HR) 60-100 /min , Rapid shallow breathing
•index < 105 breaths /min/ml/kg bodyweight
•Minimal use of inotropic or vasopressor drugs
•Stable body hemodynamics
•Adequate consciousness level
•Does not receive sedatives or neuromuscular blocking agents
•Analgesics needed for active pain are continued
•Absence of hemorrhage or anemia with hemoglobin level > 7.5g/dl
•No electrolyte disturbances

•Patients <18 years old
•ï?· Any patient with known neuromuscular disorder
•ï?· Patients with known congenital lung or pleural malformation
•ï?· Any patient with post esophageal or thorasic surgeries due to intra operative
•diaphragmatic manipulation
•Patients with restrictive lung diseases
•Super obese patients

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