Diaphragm Response in Elderly for Acute Monitoring

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

145 participants

Study Classification

OBSERVATIONAL

Study Start Date

2026-01-31

Study Completion Date

2028-01-31

Brief Summary

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Acute dyspnea is a common cause of emergency department admissions among elderly patients. Acute respiratory failure is often multifactorial and requires rapid and reliable evaluation. Currently, management relies on clinical, biological, and radiological assessments, but diaphragmatic ultrasound could provide an additional tool for real-time respiratory function evaluation. This study aims to integrate this non-invasive technology into the initial assessment of patients to improve care pathways. Hypothesis : Diaphragmatic ultrasound enables reliable assessment of respiratory function and can predict the need for mechanical ventilation.

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Detailed Description

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Conditions

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Acute Dyspnea Acute Respiratory Failure Diaphragmatic Ultrasound

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Patients aged ≥ 75 years
* Emergency admission for acute dyspnea
* Requiring an emergency ultrsoung.

Exclusion Criteria

* Acute respiratory distress requiring immediate invasive or non-invasive ventilation
* Respiratory rate ≥ 25 breaths/min, and/or SpO2 ≤ 90% on room air, and/or PaO2 ≤ 60 mmHg
* Known diaphragmatic paralysis
* Patients with degenerative neuromuscular disease
* State of shock: systolic blood pressure \< 90 mmHg and/or mean arterial pressure \< 65 mmHg and/or presence of skin mottling and/or CTR \> 3s
* Lactate levels \> 2 mmol/L
* Hypercapnic respiratory acidosis (pH \< 7.38 and PaCO2 \> 45 mmHg)
* Dyspnea due to metabolic acidosis (e.g., diabetic ketoacidosis, renal failure)
* Dyspnea of traumatic origin
* Refusal to participate or inability to provide informed consent
* Patients deprived of liberty
* Patients under guardianship or curatorship

Minimum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No