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[Echography of pneumothorax].

R Targhetta1, J M Bourgeois, P Balmes

  • 1Service de Pneumologie et de Médecine Interne, CHRU de Nîmes.

Revue Des Maladies Respiratoires
|January 1, 1990
PubMed
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Ultrasound effectively diagnoses pneumothorax by identifying specific signs like lung sliding absence. This imaging technique is a valuable, complementary tool for emergency situations and procedures.

Area of Science:

  • Medical Imaging
  • Pulmonology
  • Emergency Medicine

Background:

  • Pneumothorax diagnosis traditionally relies on radiology.
  • Limitations exist in radiological equipment availability and emergency settings.
  • Need for rapid, accessible diagnostic methods for pneumothorax.

Purpose of the Study:

  • To evaluate the efficacy of ultrasound (echography) in diagnosing pneumothorax.
  • To compare ultrasound findings with radiological confirmation.
  • To identify specific ultrasonographic signs indicative of pneumothorax.

Main Methods:

  • Ultrasound examinations were performed on 28 patients with confirmed pneumothorax.
  • A control group of 100 individuals was included for comparison.
  • Ultrasonographic signs were categorized into isolated pneumothorax, hydro-pneumothorax, subcutaneous emphysema, and post-aspiration pneumothorax.

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Main Results:

  • Specific ultrasonographic signs were present in all 28 pneumothorax cases.
  • Key signs included the disappearance of the lung deflection signal (isolated pneumothorax) and a 'curtain sign' in hydro-pneumothorax.
  • Ultrasound confirmed pneumothoraces during echo-guided thoracic punctures by observing the disappearance of pathological images.

Conclusions:

  • Ultrasound is a novel and effective method for diagnosing pneumothorax.
  • It serves as a valuable complement to standard radiological imaging.
  • Ultrasound is particularly useful in emergency settings, during thoracic procedures, and where radiological equipment is unavailable.