Abdominal Muscle Volume and a Neuromuscular Blocking Agent

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Total Enrollment

90 participants

Study Classification

OBSERVATIONAL

Study Start Date

2025-01-07

Study Completion Date

2027-01-07

Brief Summary

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With the recent development of image analysis and artificial intelligence, it has become possible to measure the muscle volume from preoperative computed tomography (CT) images. Therefore, in this study, the investigators quantify the muscle volume from preoperative CT images and analyze the correlation with the dose of neuromuscular blocking agent, rocuronium, required for maintaining deep neuromuscular blockade.

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Detailed Description

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Deep neuromuscular blockade improves the condition of surgeon's surgical field during the surgery and reduces the acute postoperative pain. The dosage of neuromuscular blocking agent has been usually administered according to the patient's actual body weight, but even with the same body weight, the ratio of muscle to fat varies from individual to individual, and there are many differences depending on age, gender, and exercise level.

Therefore, if the dose of neuromuscular blocking agent is administered according to actual body weight, additional doses may be required due to insufficient neuromuscular blockade, or excessive doses may occur. However, it was difficult to quantify the muscle mass, with the recent development of image analysis, it has become possible to measure the abdominal muscle volume from preoperative computed tomography (CT) images. Therefore, in this study, the investigators quantify the muscle volume from preoperative CT images and analyze the correlation with the dose of neuromuscular blocking agent, rocuronium, required for maintaining deep neuromuscular blockade.

Conditions

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Neuromuscular Blockade

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Interventions

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preoperative computed tomography

subject's muscle mass from preoperative computed tomography (CT) images.

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* Those who voluntarily agreed and signed the written consent form before participating in the study
* American Society of Anesthesiologists physical class (ASA class) 1-3
* Patients scheduled for elective colon surgery under general anesthesia
* Patients undergoing abdominal computed tomography for routine preoperative preparation

Exclusion Criteria

* Pregnant women
* Decreased renal function (GFR\<60mL/min/1.73m2).
* Patients taking drugs that affect deep neuromuscular blockade
* Patients with a history of neuromuscular and muscle disorders

Minimum Eligible Age

19 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No