New method for the detection of intraperitoneal free air by sonography: scissors maneuver

Journal of Clinical Ultrasound : JCU
Okkes Ibrahim KarahanGuven Kahriman

Abstract

This study was conducted to investigate the diagnostic value of a new sonographic technique for the detection of intraabdominal free air. Seventy-two patients with a suspected gastrointestinal tract perforation were included in the study and prospectively evaluated by sonography and abdominal and chest radiography for the detection of intraperitoneal free air. A new sonographic technique (the scissors maneuver) was used to detect intraperitoneal free air superficial to the liver; the maneuver consists of applying and then releasing slight pressure onto the abdominal wall with the caudal part of a parasagittaly oriented linear-array probe. The results of the imaging studies were correlated with surgical findings when possible. Sixteen patients had a surgically proven gastrointestinal tract perforation causing pneumoperitoneum. Sonography and radiography each showed pneumoperitoneum in 15 patients, with 1 false-negative result for each modality. The sensitivity and specificity values of sonography and radiography were identical; sensitivity was 94% and specificity was 100% for both imaging modalities. The scissors maneuver was positive in all patients with sonographically detected pneumoperitoneum. Sonography is an effective tool...Continue Reading

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Citations

Feb 2, 2016·Seminars in Ultrasound, CT, and MR·Giuseppe Lo ReMassimo Midiri
Mar 3, 2009·The Journal of Emergency Medicine·Amanda HornThomas G Costantino
Mar 13, 2016·Critical Ultrasound Journal·Joseph DahineAndré Denault
Oct 15, 2011·Emergency Medicine Australasia : EMA·Paul Gee
Aug 2, 2013·Critical Ultrasound Journal·Ff CoppolinoEa Genovese
Feb 18, 2020·Ultrasound : Journal of the British Medical Ultrasound Society·James WardMatyas Andorka
Oct 26, 2018·World Journal of Emergency Surgery : WJES·Fikri M Abu-Zidan, Arif Alper Cevik
May 1, 2013·Australasian Journal of Ultrasound in Medicine·Adrian Goudie
Dec 8, 2020·The Ultrasound Journal·Matthew A TaylorKeith R Barron
Apr 21, 2020·Ultraschall in der Medizin : Organ der Deutschen Gesellschaft für Ultraschall in der Medizin, [der] Österreichischen Gesellschaft für Ultraschall in der Medizin, [der] Schweizerischen Gesellschaft für Ultraschall in Medizin und Biologie·Alois HollerwegerOdd Helge Gilja
Feb 9, 2021·Radiología·J Vizuete Del RíoT San-Miguel

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