Actively Recruiting

Age: 18Years +
All Genders
ID06824506

Evaluation of Early Postoperative Pulmonary Complications by Ultrasonography in Patients Undergoing Laparoscopic Cholecystectomy with Low-flow Anesthesia

Led by Ankara Ataturk Sanatorium Training and Research Hospital · Updated on 2026-06-05

110

Participants Needed

1

Research Sites

63 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Researchers are investigating early postoperative lung complications, especially atelectasis, in patients undergoing laparoscopic gallbladder removal using low-flow anesthesia. This study aims to detect lung issues soon after extubation through lung ultrasonography, a safe and quick imaging method, to help reduce pulmonary problems by enabling timely interventions like oxygen support and respiratory exercises. The research focuses on patients receiving general anesthesia with low fresh gas flow rates, which is common but not well-studied in this surgery type. The study is observational and involves a single group of patients undergoing laparoscopic cholecystectomy with low-flow anesthesia. No treatments or interventions will be administered by the researchers. Lung ultrasonography will be used to monitor for atelectasis and other lung complications during and after surgery. This non-invasive technique can be repeated easily at the bedside, making it practical for detecting postoperative lung problems early. Participants will be monitored primarily for the incidence of postoperative atelectasis within one hour of surgery, along with other pulmonary complications. Data collection will include lung ultrasound scores and clinical assessments. The study does not involve treatment changes and will track outcomes without altering usual care. Participation will last through the perioperative period with follow-up evaluations shortly after surgery to assess lung health.

CONDITIONS

Brief Title

Ultrasound for Postop Lung Issues in Low-Flow Anesthesia

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Patients who provide informed consent
  • Patients scheduled for laparoscopic cholecystectomy
  • Patients with a Body Mass Index between 18 and 35 kg/m�b2
  • Patients classified as American Society of Anesthesiologist (ASA) category 1, 2, or 3
Not Eligible

You will not qualify if you...

  • Patients planned for emergency surgery
  • Patients with ASA category 4 or higher
  • Patients with lung disease
  • Patients who have had thoracic surgery
  • Pregnant patients
  • Patients with a preoperative Lung Ultrasound Score of 2 or 3 in any lung region

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Diagnostic Evaluation

Duration - Approximately 1 hour during surgery

Participants scheduled for laparoscopic cholecystectomy undergo lung ultrasonography during and shortly after surgery to detect postoperative atelectasis and other pulmonary complications.

1 perioperative visit (in-person)

Long-term Monitoring

Duration - Up to several days post-surgery as part of routine care

Participants are observed for postoperative pulmonary complications following surgery without any additional interventions.

Postoperative observation during routine care

Trial Site Locations

Total: 1 location

1

Ankara Ataturk Sanatorium Research and Training Hospital

Ankara, Turkey (Türkiye)

Actively Recruiting

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Research Team

H

Hilal SAZAK, MD

N

Necla DERELI, MD

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

1

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