CT features of blunt abdominal aortic injury: an infrequent but life-threatening event

Blunt abdominal aortic injury (BAAI) is a relatively rare pathology, usually the result of a seat belt injury in motor vehicle accidents (MVA), mostly combined with other injuries. Time is a crucial factor for the successful early management of these cases. Hybrid operating theaters, which support the integration of surgical treatment and interventional radiology, provide opportunities to reduce the time-to-surgery for life threatening conditions. We report a case of a 24-year-old female who was involved in a high-kinematics MVA. On presentation she was hemodynamically stable but had a prominent seat belt sign and peritoneal signs. A computerized tomography (CT) scan revealed an intimal flap of the infra-renal aorta and a peri-aortic hematoma together with a suspected laceration of the small bowel. The patient was operated in a hybrid approach; emergent endovascular repair of the aortic injury with stent deployment immediately followed by an explorative laparotomy for the intestinal injury. Her postoperative course was uneventful. The hybrid staged approach allowed a clean and efficient repair of a potentially lethal aortic injury and addressing a contaminated injury in the same compartment, hence preventing redundant morbidity. With the advances and growing availability of endovascular techniques, the hybrid approach has to be an important component of trauma management in the modern era.

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Novel Experimental Technique to Create Size-Controlled Retroperitoneal Bleeding in the Infrarenal Aorta of Anesthetized Pigs

Innovations Technology and Techniques in Cardiothoracic and Vascular Surgery ◽

10.1177/15569845211013803 ◽

2021 ◽

pp. 155698452110138

Author(s):

Artai Pirouzram ◽

Leonardo Hamam ◽

Göran Wallin ◽

Thomas Larzon ◽

Kristofer F. Nilsson

Keyword(s):

Aortic Injury ◽

Retroperitoneal Hematoma ◽

Infrarenal Aorta ◽

Metabolic Markers ◽

Retroperitoneal Bleeding ◽

Arterial Blood ◽

Abdominal Aortic ◽

Life Threatening ◽

Endovascular Methods ◽

Made In

Objective Rupture of abdominal aortic aneurysm (rAAA) with a contained retroperitoneal hematoma is potentially fatal. Physiological studies are difficult to perform in patients suffering from life-threatening conditions such as rAAA. A translational model of the condition is therefore needed. The aim was to develop and validate an endovascular animal model for retroperitoneal bleeding of the abdominal aorta with contained hematoma. Methods In anesthetized pigs, a puncture hole was made in the posterolateral portion of the infrarenal aorta by an Outback re-entry catheter device. The hole was gradually enlarged using angioplasty balloons to a specific diameter of either 4 mm ( n = 6), 6 mm ( n = 7), or 8 mm ( n = 6). Onset of bleeding was verified by angiography and macroscopically examined on completion of the experiments. Survival up to 180 min was the primary outcome. Hemodynamic and metabolic markers in arterial blood were secondary outcomes. Results Aortic injury with a contained retroperitoneal hematoma was achieved in all animals. Survival rate at 180 min after onset of bleeding was higher in the 4 mm group compared to the 6 mm ( P = 0.021) and 8 mm groups ( P = 0.002), but not when comparing the 6 mm and 8 mm groups. Systemic hypotension, arterial acidosis, and lactatemia were provoked in the 6 mm and 8 mm groups but not in the 4 mm group. Conclusions A porcine model for a controlled contained left posterolateral retroperitoneal bleeding was created using endovascular methods and validated. This model makes it possible to study the pathophysiology of a retroperitoneal hematoma.

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Massive Subcutaneous Emphysema, Pneumoperitoneum, Pneumoretroperitoneum, and Pneumoscrotum Following ERCP in Living Liver Donor: Apparent Life-threatening Event

10.26226/morressier.58eb975ed462b80290b4fe45 ◽

2017 ◽

Author(s):

Sami Akbulut

Keyword(s):

Subcutaneous Emphysema ◽

Liver Donor ◽

Living Liver Donor ◽

Life Threatening ◽

Life Threatening Event

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Use of Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) as a bridge to endovascular aortic repair (EVAR) in blunt abdominal aortic injury (BAAI).

Journal of Endovascular Resuscitation and Trauma Management ◽

10.26676/jevtm.v3i1.74 ◽

2019 ◽

Vol 3 (1) ◽

Author(s):

Valentina Chiarini

Keyword(s):

Trauma Center ◽

Aortic Rupture ◽

Damage Control ◽

Aortic Injury ◽

Balloon Occlusion ◽

Traumatic Lesion ◽

Abdominal Aortic ◽

Aortic Injuries ◽

Accepted Practice ◽

Endovascular Balloon Occlusion

BAAI is a rare but challenging traumatic lesion. Since BAAI is difficult to suspect and diagnose, frequently lethal and associated to multiorgan injuries, its management is objective of research and discussion. REBOA is an accepted practice in ruptured abdominal aortic aneurysm. Conversely, blunt aortic injuries are the currently most cited contraindications for the use of REBOA in trauma, together with thoracic lesions. We reported a case of BAAI safely managed in our Trauma Center at Maggiore Hospital in Bologna (Italy) utilizing REBOA as a bridge to endovascular repair, since there were no imminent indications for laparotomy. Despite formal contraindication to placing REBOA in aortic rupture, we hypothesized that this approach could be feasible and relatively safe when introduced in a resuscitative damage control protocol.

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OPERATIONS FOR ANEURISM OF THE ABDOMINAL AORTIC DEPARTMENT - RESECTION WITH THE FOLLOWING PROSTHETICS AND ENDOPROSTHETICS: A COMPARATIVE ANALYSIS OF COMPLICATIONS

СИСТЕМНЫЙ АНАЛИЗ И УПРАВЛЕНИЕ В БИОМЕДИЦИНСКИХ СИСТЕМАХ ◽

10.36622/vstu.2020.19.2.007 ◽

2020 ◽

pp. 43-49

Author(s):

Андрей Анатольевич Иванов ◽

Александр Иванович Жданов ◽

Максим Сергеевич Шевелин ◽

Александр Сергеевич Брежнев

Keyword(s):

Comparative Analysis ◽

Postoperative Complications ◽

Statistical Significance ◽

Aortic Aneurysms ◽

Surgical Interventions ◽

Vein Thrombosis ◽

Scientific Hypothesis ◽

Abdominal Aortic ◽

Life Threatening ◽

High Level

В статье представлены данные оригинального исследования по улучшению хирургического лечения аневризм брюшного отдела аорты. С этой целью произведен сравнительный анализ двух альтернативных друг другу операций: 1) резекции аневризмы с последующим протезированием аорты; 2) эндопротезирования аорты. Сформулировано научное предположение о том, что замена «классических» операций резекции аневризмы на «альтернативные» операции эндопротезирования приведет к принципиальному снижению уровня послеоперационных осложнений. В независимых группах пациентов с использованием сравниваемых хирургических вмешательств произведена точная качественная и количественная оценка послеоперационных осложнений: нетромботических - кардиальных, пульмональных, ренальных и тромботических - тромбозов глубоких вен и тромбозов браншей протеза. После реализации исследования было установлено, что замена «классических» операций на «альтернативные» достоверно приводит к принципиальному снижению уровня наиболее жизнеопасных осложнений - кардиальных (острых форм ишемической болезни сердца, нарушений сердечного ритма), пульмональных (пневмоний, тромбоэмболии легочной артерии, респираторного дистресс-синдрома взрослых) и ренальных (острой почечной недостаточности). Некоторое исключение составили менее жизнеопасные тромботические осложнения. Полученные результаты имеют высокий уровень статистической значимости, что позволяет рекомендовать их к рассмотрению к использованию в практике сосудистой хирургии The article presents data from an original study to improve the surgical treatment of abdominal aortic aneurysms. For this purpose, a comparative analysis of two alternate operations was performed: 1) aneurysm resection followed by aortic prosthetics; 2) aortic endoprosthetics. The scientific hypothesis is formulated that the replacement of the «classical» operations of resection of the aneurysm with «alternative» operations of endoprosthetics will lead to a fundamental decrease in the level of postoperative complications. In independent groups of patients using the compared surgical interventions, an accurate qualitative and quantitative assessment of postoperative complications was made: non-thrombotic - cardiac, pulmonary, renal and thrombotic - deep vein thrombosis and prosthetic jaw thrombosis. After the study was completed, it was found that the fundamental replacement of «classical» operations with «alternative» reliably leads to a fundamental decrease in the level of the most life-threatening complications - cardiac (acute forms of coronary heart disease, cardiac arrhythmias), pulmonary (pneumonia, pulmonary thromboembolism, respiratory distress syndrome of adults) and renal (acute renal failure). Some exceptions were less life-threatening thrombotic complications. The results obtained have a high level of statistical significance, which allows us to recommend them for consideration in the practice of vascular surgery

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Endovascular Repair of a Blunt Abdominal Aortic Injury

International Journal of Angiology ◽

10.1055/s-0032-1315796 ◽

2012 ◽

Vol 21 (02) ◽

pp. 117-120 ◽

Cited By ~ 5

Author(s):

William Tobler ◽

Tze-Woei Tan ◽

Alik Farber

Keyword(s):

Endovascular Repair ◽

Aortic Injury ◽

Abdominal Aortic

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The bowel and beyond: extracolonic findings from CT colonography

Irish Journal of Medical Science (1971 -) ◽

10.1007/s11845-021-02595-2 ◽

2021 ◽

Author(s):

Gerard Lambe ◽

Peter Hughes ◽

Louise Rice ◽

Caoimhe McDonnell ◽

Mark Murphy ◽

...

Keyword(s):

Ct Colonography ◽

Surgical Intervention ◽

Potential Significance ◽

Age And Gender ◽

Abdominal Aortic ◽

Life Threatening ◽

Extracolonic Findings ◽

The Difference ◽

Clinically Significant ◽

And Gender

AbstractCT colonography has emerged as the investigation of choice for suspected colorectal cancer in patients when a colonoscopy in incomplete, is deemed high risk or is declined because of patient preference. Unlike a traditional colonoscopy, it frequently reveals extracolonic as well as colonic findings. Our study aimed to determine the prevalence, characteristics and potential significance of extracolonic findings on CT colonography within our own institution. A retrospective review was performed of 502 patients who underwent CT colonography in our institution between January 1, 2010 and January 4, 2015. Of 502 patients, 60.63% had at least one extracolonic finding. This was close to other similar-sized studies (Kumar et al. Radiology 236(2):519–526, 2005). However, our rate of E4 findings was significantly higher than that reported in larger studies at 5.3%(Pooler et al. AJR 206:313–318, 2016). The difference may be explained by our combination of symptomatic/screening patients or by the age and gender distribution of our population. Our study lends support to the hypothesis that CT colonography may be particularly useful in identifying clinically significant extracolonic findings in symptomatic patients. CT colonography may allow early identification of extracolonic malignancies and life-threatening conditions such as an abdominal aortic aneurysm at a preclinical stage when they are amenable to medical or surgical intervention. However, extracolonic findings may also result in unnecessary investigations for subsequently benign findings.

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Increased crystalloid fluid requirements during zone 3 Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) versus Abdominal Aortic and Junctional Tourniquet (AAJT) after class II hemorrhage in swine

European Journal of Trauma and Emergency Surgery ◽

10.1007/s00068-020-01592-x ◽

2021 ◽

Author(s):

Andreas Brännström ◽

Albin Dahlquist ◽

Jenny Gustavsson ◽

Ulf P. Arborelius ◽

Mattias Günther

Keyword(s):

Fluid Management ◽

Class Ii ◽

Balloon Occlusion ◽

Metabolic Effects ◽

Total Blood ◽

Crystalloid Fluid ◽

Vasopressor Support ◽

Abdominal Aortic ◽

Life Threatening ◽

Endovascular Balloon Occlusion

Abstract Purpose Pelvic and lower junctional hemorrhage result in a significant amount of trauma related deaths in military and rural civilian environments. The Abdominal Aortic and Junctional Tourniquet (AAJT) and infra-renal (zone 3) Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) are two options for resuscitation of patients with life threatening blood loss from and distal to the pelvis. Evidence suggest differences in the hemodynamic response between AAJT and zone 3 REBOA, but fluid management during resuscitation with the devices has not been fully elucidated. We compared crystalloid fluid requirements (Ringer’s acetate) between these devices to maintain a carotid mean arterial pressure (MAP) > 60 mmHg. Methods 60 kg anesthetized and mechanically ventilated male pigs were subjected to a mean 1030 (range 900–1246) mL (25% of estimated total blood volume, class II) haemorrhage. AAJT (n = 6) or zone 3 REBOA (n = 6) were then applied for 240 min. Crystalloid fluids were administered to maintain carotid MAP. The animals were monitored for 30 min after reperfusion. Results Cumulative resuscitative fluid requirements increased 7.2 times (mean difference 2079 mL; 95% CI 627–3530 mL) in zone 3 REBOA (mean 2412; range 800–4871 mL) compared to AAJT (mean 333; range 0–1000 mL) to maintain target carotid MAP. Release of the AAJT required vasopressor support with norepinephrine infusion for a mean 9.6 min (0.1 µg/kg/min), while REBOA release required no vasopressor support. Conclusion Zone 3 REBOA required 7.2 times more crystalloids to maintain the targeted MAP. The AAJT may therefore be considered in a situation of hemorrhagic shock to limit the need for crystalloid infusions, although removal of the AAJT caused more severe hemodynamic and metabolic effects which required vasopressor support.

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Consequences of antepartum hemorrhage and its maternal and perinatal outcome

International Journal of Reproduction Contraception Obstetrics and Gynecology ◽

10.18203/2320-1770.ijrcog20191203 ◽

2019 ◽

Vol 8 (4) ◽

pp. 1480

Author(s):

Himang Jharaik ◽

Bishan Dhiman ◽

S. K. Verma ◽

Aditi Sharma

Keyword(s):

Perinatal Outcome ◽

Placenta Previa ◽

Developed Countries ◽

Perinatal Morbidity ◽

Antepartum Haemorrhage ◽

High Risk Factors ◽

Fetal Complications ◽

Life Threatening ◽

One Year ◽

Life Threatening Event

Background: Antepartum haemorrhage, a life-threatening event, is defined as bleeding per vaginum occurring after the fetus has reached the period of viability, considered to be 20 weeks in developed countries and 28 weeks in countries with low resource settings. We evaluated the consequences of antepartum haemorrhage, their maternal and perinatal outcome so as to outline the proper management of patient in order to improve both maternal and perinatal morbidity and mortality.Methods: This one-year prospective study totaled 133 cases of APH fulfilling the inclusion criteria were studied. Data was recorded on the MS excel sheet for further analysis and processing.Results: Total 6693 deliveries were conducted out of which 133 presented as APH and incidence of APH was found out to be 1.98%. Placenta previa was most common. APH was commonly associated with multigravida and most cases were in age group of 26-30 years. Most of the PP and abruption cases were admitted at 34-37 weeks and 31-33 weeks respectively. High risk factors included previous LSCS and D and C, hypertension, multiple pregnancies and malpresentations. Most of the patients underwent preterm LSCS. Most fetal complications were due to prematurity. 58.6% patients were transfused blood. Overall perinatal mortality was 20.1% and maternal mortality was zero.Conclusions: Early diagnoses, timely referrals and transfusion facilities along with trained team of doctors with well-equipped ICU facility goes a long way in avoiding APH related maternak and fetal complications.

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