• Emerg Med Australas · Dec 2022

    Pleural decompression procedural safety for traumatic pneumothorax and haemothorax: Kelly clamps versus fine artery forceps.

    • Mark Fitzgerald, Thomas Allen, Shifeng Bai, Biswadev Mitra, Wing Chiu, Dries Helsloot, Chris Groombridge, Joseph Mathew, and Yesul Kim.
    • National Trauma Research Institute, Monash University, Melbourne, Victoria, Australia.
    • Emerg Med Australas. 2022 Dec 1; 34 (6): 954958954-958.

    ObjectiveThe present study aimed to determine the difference in force required to puncture simulated pleura comparing Kelly clamps to fine artery forceps. The treatment of symptomatic traumatic pneumothorax and haemothorax involves puncture of the parietal pleura to allow decompression. This is usually performed using Kelly clamps or fine artery forceps. Over-puncture pulmonary injury risk increases with the force used.MethodsAn experienced single operator performed puncturing of simulated parietal pleura on a thoracic mannequin while wearing a force sensor under gloves. The force imparted at the device tip onto the parietal pleura was estimated by subtracting the force required to hold the device from the total force. Outcome variables were the total maximum force and force imparted by the device.ResultsThere were 11 simulated procedures completed, seven using Kelly clamps and four using fine artery forceps. After subtracting the force required to hold the chosen forceps, the median value of pleural puncture force using Kelly clamps was 52.91 N (IQR 36.68-63.56) and 10.70 N (IQR 7.64-26.56) using fine artery forceps (P = 0.006).ConclusionA significantly increased force was required to puncture simulated parietal pleura using Kelly clamps compared to fine artery forceps. This higher puncture force will be associated with increased instrument acceleration at the time of pleural puncture, which may result in an increased risk of injury to the underlying lung. Based on these data, clinicians may reduce the risk of pulmonary injury by using fine artery forceps rather than Kelly clamps when performing pleural decompression.© 2022 The Authors. Emergency Medicine Australasia published by John Wiley & Sons Australia, Ltd on behalf of Australasian College for Emergency Medicine.

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