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Extrape chấn thương vùng chậu Blunt bị gãy xương chậu rách ritoneal mảnh xương (s) Cắt ligamentous đính kèm (s) gãy xương dài trong phúc mạc cao vận tốc thẳng thừng bụng dưới áp lực chấn thương cao intravesical bị vỡ | 250 15 Trauma question Wttniury Mechanism of injury Associated injuries Table 15.6.3. Classification of bladder injury based on the type of trauma Blunt trauma Extrape- Blunt pelvic trauma with laceration Pelvic fractures ritoneal by bone fragment s Shearing at ligamentous attachment s other long bone fractures Penetrating trauma Intrape- High velocity blunt lower aCdomioal High rate of associated ritoneal Irouina High intravevicai pressure vniO rupture at dome ii . Dired injuey tc rhe bladder wall intraabdominal injuries Hi ii mortaisty Associated injuryto other organs is common AIS-90 Table 15.6.4. AAST organ injury severity scale for the Grade Injurajype Description of injury I Hematoma Contusion intramural hematoma 2 I Laceration Parti thidkneis 3 II Laceration Extraperitoneal bladder wall laceration 2 cm 4 III Laceration Extraperitoneal 2 cm or intraperitoneal 2 cm Hodder wofi lanaestion 4 IV Lacerati on IntraperitoneenihdclrrwalHggfgatidn docdi 4 V Lacerati on Intraperitonee1 or sxtrrperitoncel bladder uraH 0.acera- ocl tion extending intotìae dtagdeo reck or ureteral orifice tfigone bladder and Associated Abbreviated Injury Scale of the guKrican Association for AutomotivyMeififine lodo O S-90 a Advance one grade for multiple injuries to same organ up to grade III Fig. 15.6.1. AAST classification of bladder injury. Grade 1 contusion intramural hematoma or partial thickness laceration of the bladder wall Fig. 15.6.1 -6 Hohenfellner 2007 Fig. 15.6.2. AAST classification of bladder injury. Grade 2 extraperitoneal laceration of the bladder wall 2 cm 15.6 Bladder Trauma 251 3 Fig. 15.6.4. AAST classification of bladder injury. Grade 3 intraperitoneal laceration of the bladder wall 2 cm Fig. 15.6.3. AAST classification of bladder injury. Grade extraperitoneal laceration of the bladder wall 2 cm Fig. 15.6.5. AAST classification of bladder injury. Grade 4 intraperitoneal laceration of the bladder wall 2 cm Fig. 15.6.6. AAST classification of bladder injury. Grade 5 .