Ultraschallphänomene von Fremdkörpern der Kopf-, Halsweichteile. Vergleich von Kasuistik und Phantom

Using ultrasound for detecting soft tissue foreign bodies seems to be the preferred choice with minimum invasion and easy availability at the bedside in emergency departments. In this study, a workshop (1 hour of lecture presentation and 3 hours of interactive hands-on) was designed to evaluate the efficacy of a short course of simple interactive training to improve the ability of emergency medicine residents to detect foreign bodies with ultrasound. Eight pieces of fresh full thickness (10 × 10 × 10 cm) lamb leg muscle were used in this study. Five different types of foreign bodies, including: a piece of glass (5 × 5 × 4 mm), wood (5 × 5 × 4 mm), gravel (5 mm diameter), plastic (5 × 5 × 2 mm) and a nail (25 mm in length) were placed deep inside each lamb leg. An ultrasound machine with a 7.5 MHz linear probe was used in this study. 35 emergency medicine residents (12 PGY1, 11 PGY2 and 12 PGY3) were enrolled in this study. Pretest and post-test results were compared and analyzed. Among all 35 participants in the training session, foreign body detection was significantly improved after the workshop (p < 0.001). Overall sensitivity and specificity for differentiating the presence and absence of a foreign body with 95% confidence were 60% (75% for PGY3) and 85.7% (91.7% for PGY3), respectively. The overall accuracy increased from 20.2% to 72.8% due to this session. This study supported the possibility of using ultrasound to detect foreign bodies by emergency physicians with a very short training course. This is highly beneficial for overcrowded emergency departments.

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A simplified training method for soft tissue foreign body detection using ultrasound in emergency medicine residency program

Farahmand

Bagheri-Hariri

Mehran

et al. 2014

Ultrasound

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Foreign Bodies Caused by Dental Treatment in the Head and Neck - A Surgical Challenge

Wüster

Raguse

Kreutzer

et al. 2022

Craniomaxillofacial Research & Innovation

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Study Design Case seriesObjective: By reporting several cases of dislocated foreign bodies, we aim to make dentists/surgeons aware of possible severe and potentially life-threatening complications. In case of dislocation, the appropriate radiological assessment depending on the foreign body is required if direct removal fails.Material and Methods: Electronic and paper record of patients suffering from various dental foreign bodies were analysed. Analysis included history of dislocation, type of foreign object, anatomical region of dislocation, related dental treatment and approach to surgical removal. Results: In total, 5 patients with various dental foreign body objects, including fractured root canal instruments (n = 2), a broken dental injection needle (n = 1), a broken Lindemann bur (n = 1) and root filling material (n = 1) are reported. Patient ages ranged from 14 to 54 years. In 4 cases, the foreign body could be salvaged successfully, and one patient refused the surgical therapy. General anaesthesia was required in 4 patients. Intraoperatively, a 3D C-arm was used in 3 cases to ensure the successful recovery of the foreign bodies. In 1 case, the foreign body could be removed with endoscopical assistance. Conclusion:The management of dental materials and instruments requires diligent care by the practitioner, and prevention techniques should be used at all times to minimise the patients' risk. In the case of foreign body dislocation, appropriate radiological assessment and determination of further medical treatment (if necessary) should take place. During surgical procedures, intraoperative 3D-imaging, as well as endoscopic techniques, are helpful tools to ensure the recovery of foreign bodies.

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Ultraschallphänomene von Fremdkörpern der Kopf-, Halsweichteile. Vergleich von Kasuistik und Phantom

Cited by 2 publications

References 6 publications

A simplified training method for soft tissue foreign body detection using ultrasound in emergency medicine residency program

A simplified training method for soft tissue foreign body detection using ultrasound in emergency medicine residency program

Foreign Bodies Caused by Dental Treatment in the Head and Neck - A Surgical Challenge

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