Postoperative monitoring of respiratory functio

Conditions: (acoustic) respiratory rate (RRa), heart rate (HR), saturation, pulse oximetry(akoestische) ademhalingsfrequentie, hartslag, saturatie

Registration Number: NL-OMON28102

Lead Sponsor: Vrije Universiteit medical center (VUmc)

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Pending

Sex: Not specified

Target Recruitment: 100

Inclusion Criteria

Postoperative patients after upper abdominal surgery (eg esophagus-, liver- and pancreas surgery), >18 years old, speaking Dutch or English, with a preoperative determined moderate or high risk of development of postoperative pulmonary complications based on the ARISCAT score of 26 or higher.

Exclusion Criteria

<18 years old, not speaking Dutch or English, ARISCAT score < 26

Study & Design

Study Type: Observational non invasive

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
•Number of hypoxemic events (SpO2<92%) in the postoperative setting on day 1-4 following surgery<br /><br>•Number of episodes of aberrant respiratory rates (RR ≤9 brpm or RR ≥15 brpm and RR ≥21 brpm) according to the the MEWS criteria (see attachment)<br>

Secondary Outcome Measures

Name	Time	Method
•Suspected pulmonary infection (Treatment with antibiotics for a respiratory infection, plus at least one of the following criteria: New or changed sputum, New or changed lung opacities on a clinically indicated chest radiograph, temperature >38.3°C, leukocyte count >12,000/mm3, pleural effusion or chest radiograph demonstrating blunting of the costophrenic angle, loss of the sharp silhouette of the ipsilateral hemidiaphragm. <br /><br>•Atelectasis (Suggested by lung opacification with shift of the mediastinum, hilum, or hemidiaphragm toward the affected area, and compensatory overinflation in the adjacent nonatelectatic lung).<br /><br>•Pneumothorax (Air in the pleural space with no vascular bed surrounding the visceral pleura) Bronchospasm Newly detected expiratory wheezing treated with bronchodilators.<br /><br>•Postoperative pain (visual analogue scale of 4 or higher)<br /><br>•Fever (body temperature of 38C or higher)<br /><br>•General infection requiring antibiotics use<br /><br>•Device failure