Traumatic asphyxia, or Perte's syndrome,[1] is a medical emergency caused by an intense compression of the thoracic cavity, causing venous back-flow from the right side of the heart into the veins of the neck and the brain.[2]
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Transcription
Signs and symptoms
Traumatic asphyxia is characterized by cyanosis in the upper extremities, neck, and head as well as petechiae in the conjunctiva. Patients can also display jugular venous distention and facial edema.[3] Associated injuries include pulmonary contusion, myocardial contusion, hemo/pneumothorax, and broken ribs.[4][5]
Causes
Traumatic asphyxia occurs when a powerful compressive force is applied to the thoracic cavity. This is most often seen in motor vehicle accidents, as well as industrial and farming accidents. However, it can be present anytime a significant pressure is applied to the thorax.
Pathophysiology
The sudden impact on the thorax causes an increase in intrathoracic pressure.[4] In order for traumatic asphyxia to occur, a Valsalva maneuver is required when the traumatic force is applied.[6] Exhalation against the closed glottis along with the traumatic event causes air that cannot escape from the thoracic cavity. Instead, the air causes increased venous back-pressure, which is transferred back to the heart through the right atrium, to the superior vena cava and to the head and neck veins and capillaries.[4]
Diagnosis
Patients are seen with a cyanotic discoloration of the shoulder skin and neck and face, jugular distention, bulging of the eyeballs, and swelling of the tongue and lips. The latter two are resultants of edema, caused by excessive blood accumulating the veins of the head and neck and venous stasis.
Prognosis
For individuals who survive the initial crush injury, survival rates are high for traumatic asphyxia.[4][6][7]
See also
References
- ^ Karamustafaoglu, Yekta Altemur; Yavasman, Ilkay; Tiryaki, Sevinc; Yoruk, Yener (25 August 2010). "Traumatic asphyxia". International Journal of Emergency Medicine. 3 (4): 379–380. doi:10.1007/s12245-010-0204-x. ISSN 1865-1372. PMC 3047851.
- ^ Marx, John (2013). Rosen's Emergency Medicine - Concepts and Clinical Practice. Philadelphia: Saunders. p. 435. ISBN 978-1455706051.
- ^ Aehlert, Barbara J. (2010). Paramedic Practice Today: Above and Beyond. Jones & Bartlett Publishers. p. 472. ISBN 978-0-323-08537-3.
- ^ a b c d Eken, Cenker; Yıgıt, Ozlem (2009). "Traumatic asphyxia: A rare syndrome in trauma patients". International Journal of Emergency Medicine. 2 (4): 255–6. doi:10.1007/s12245-009-0115-x. PMC 2840592. PMID 20436897.
- ^ Lee, Ming-Chung; Wong, Sing-Sieng; Chu, Jaw-Ji; Chang, Jen-Ping; Lin, Pyng-Jing; Shieh, Ming-Jang; Chang, Chau-Hsiung (1991). "Traumatic asphyxia". The Annals of Thoracic Surgery. 51 (1): 86–8. doi:10.1016/0003-4975(91)90456-Z. PMID 1985583.
- ^ a b Barakat, M; Belkhadir, Z.H; Belkrezia, R; Faroudy, M; Ababou, A; Lazreq, C; Sbihi, A (2004). "Syndrome d'asphyxie traumatique ou syndrome de Perthes. À propos de six cas" [Traumatic asphyxia or Perthe's syndrome. Six cas reports]. Annales Françaises d'Anesthésie et de Réanimation (in French). 23 (1): 59–62. doi:10.1016/j.annfar.2003.10.011. PMID 14980325.
- ^ Bledsoe, Bryan E.; Berkeley, Ross. P.; Markus, Troy (2010). "Know the Signs and Symptoms of Traumatic Asphyxia". JEMS.
External links
This page was last edited on 29 January 2024, at 04:23