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Yamamoto R, Suzuki M, Funabiki T, Nishida Y, Maeshima K, Sasaki J. Resuscitative endovascular balloon occlusion of the aorta and traumatic out-of-hospital cardiac arrest: A nationwide study. J Am Coll Emerg Physicians Open 2020; 1:624-632. [PMID: 33000081 PMCID: PMC7493555 DOI: 10.1002/emp2.12177] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 04/29/2020] [Accepted: 06/09/2020] [Indexed: 11/08/2022] Open
Abstract
OBJECTIVE Resuscitative endovascular balloon occlusion of the aorta (REBOA) is a less-invasive method for temporary hemostasis compared with cross-clamping the aorta through resuscitative thoracotomy (RT). Although the survival benefits of REBOA remained unclear, pathophysiological benefits were identified in patients with traumatic out-of-hospital cardiac arrest (t-OHCA). We examined the clinical outcomes of t-OHCA with the hypothesis that REBOA would be associated with higher survival to discharge compared with RT. METHODS A retrospective cohort study was conducted using the Japan Trauma Data Bank (2004-2019). Adult patients with t-OHCA who had arrived without a palpable pulse and undergone aortic occlusion were included. Patients were divided into REBOA or RT groups, and propensity scores were developed using age, mechanism of injury, presence of signs of life, presence of severe head and/or chest injury, Injury Severity Score, and transportation time. Inverse probability weighting by propensity scores was performed to compare survival to discharge between the 2 groups. RESULTS Among 13,247 patients with t-OHCA, 1483 were included in this study. A total of 144 (9.7%) patients were treated with REBOA, and 5 of 144 (3.5%) in the REBOA group and 10 of 1339 (0.7%) in the RT group survived to discharge. The use of REBOA was significantly associated with increased survival to discharge (odds ratio, 4.78; 95% confidence interval, 1.61-14.19), which was confirmed by inverse probability weighting (adjusted odds ratio, 3.73; 95% confidence interval, 1.90-7.32). CONCLUSIONS REBOA for t-OHCA was associated with higher survival to discharge. These results should be validated by further research.
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Mikdad S, van Erp IAM, Moheb ME, Fawley J, Saillant N, King DR, Kaafarani HMA, Velmahos G, Mendoza AE. Pre-peritoneal pelvic packing for early hemorrhage control reduces mortality compared to resuscitative endovascular balloon occlusion of the aorta in severe blunt pelvic trauma patients: A nationwide analysis. Injury 2020; 51:1834-1839. [PMID: 32564964 DOI: 10.1016/j.injury.2020.06.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 05/09/2020] [Accepted: 06/03/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND Early hemorrhage control after severe blunt pelvic trauma is life-saving. The aim of this study is to compare the efficacy and outcomes of pre-peritoneal packing (PPP) and Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) with a subsequent hemorrhage control procedure to control life-threatening pelvic hemorrhage in trauma patients. METHODS A 3-year (2015-2017) retrospective analysis of the Trauma Quality Improvement Program (TQIP) was performed. All blunt trauma patients (aged ≥15 years) who underwent PPP or Zone 3 REBOA placement were included while deaths on arrival and transfers were excluded. Patients were matched on clinical characteristics using propensity score matching (PSM). Univariate analysis was performed to compare mortality, time to procedure, time in ED, transfusion requirements, complications rates, and ICU and hospital length of stay (LOS) amongst patient groups. RESULTS Of 420 trauma patients, 307 underwent PPP and 113 REBOA. Patients had similar hemodynamics and ISS upon presentation, but PPP patients had a higher GCS (P = 0.037) and more blunt kidney injuries (P = 0.015). After PSM, 206 trauma patients were included in the analysis. There were no significant differences in blood transfusion, LOS, or major complications. Time to REBOA was shorter than time to PPP (52 vs 77.5 min; P<0.001) with longer time in ED (65 vs 51 min; p = 0.023). The 24-hour (32.4 vs 17.7%; P = 0.23) and in-hospital mortality (52.0 vs 37.3%; P = 0.048) were higher after REBOA. CONCLUSION PPP is associated with improved survival compared to REBOA placement. Delay in definitive hemorrhage control may provide a potential explanation, but causation remains unresolved. This data suggests that early PPP may offer a benefit over REBOA in the setting of hemorrhage after blunt pelvic trauma. Further, large, multi-institutional studies are warranted to support these findings. LEVEL OF EVIDENCE Prognostic study, level III.
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Hatchimonji JS, Chipman AM, McGreevy DT, Hörer TM, Burruss S, Han S, Spalding MC, Fox CJ, Moore EE, Diaz JJ, Cannon JW. Resuscitative Endovascular Balloon Occlusion of Aaorta Use in Nontrauma Emergency General Surgery: A Multi-institutional Experience. J Surg Res 2020; 256:149-155. [PMID: 32707397 DOI: 10.1016/j.jss.2020.06.034] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 04/27/2020] [Accepted: 06/16/2020] [Indexed: 12/16/2022]
Abstract
BACKGROUND The aim of this study was to determine the current utilization patterns of resuscitative endovascular balloon occlusion of aorta (REBOA) for hemorrhage control in nontrauma patients. METHODS Data on REBOA use in nontrauma emergency general surgery patients from six centers, 2014-2019, was pooled for analysis. We performed descriptive analyses using Fisher's exact, Student's t, chi-squared, or Mann-Whitney U tests as appropriate. RESULTS Thirty-seven patients with acute hemorrhage from nontrauma sources were identified. REBOA placement was primarily performed by trauma attendings (20/37, 54%) and vascular attendings (13/37, 35%). In seven patients (19%), balloons were positioned prophylactically but never inflated. In 24 (65%) of 37 patients, REBOA was placed in the operating room. 28/37 balloons (76%) were advanced to zone 1, 8/37 (22%) were advanced to zone 3, and there was one REBOA use in the inferior vena cava. Most common indications were gastrointestinal and peripartum bleeding. In the 30 cases of balloon inflation, 24 of 30 (80%) resulted in improved hemodynamics. Eleven of 30 patients (37%) died before discharge. One patient developed a distal embolism, but there were no reports of limb loss. Twelve patients (40% of all REBOA inflations and 63% of survivors) were discharged to home. CONCLUSIONS REBOA has been used in a range of acutely hemorrhaging emergency general surgery patients with low rates of access-related complications. Mortality is high in this patient population and further research is needed; however, appropriate patient selection and early use may improve survival in these life-threatening cases.
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Singer KE, Morris MC, Blakeman C, Stevens-Topie SM, Veile R, Fortuna G, DuBose JJ, Stuever MF, Makley AT, Goodman MD. Can Resuscitative Endovascular Balloon Occlusion of the Aorta Fly? Assessing Aortic Balloon Performance for Aeromedical Evacuation. J Surg Res 2020; 254:390-397. [PMID: 32540506 DOI: 10.1016/j.jss.2020.05.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 05/04/2020] [Accepted: 05/05/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND Noncompressible torso hemorrhage remains a leading cause of death. Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) placement may occur before transport; however, its efficacy has not been demonstrated at altitude. We hypothesized that changes in altitude would not result in blood pressure changes proximal to a deployed REBOA. METHODS A simulation model for 7Fr guidewireless REBOA was used at altitudes up to 22,000 feet. Female pigs then underwent hemorrhagic shock to a mean arterial pressure (MAP) of 40 mm Hg. After hemorrhage, a REBOA catheter was deployed in the REBOA group and positioned but not inflated in the no-REBOA group. Animals underwent simulated aeromedical evacuation at 8000 ft or were left at ground level. After altitude exposure, the balloon was deflated, and the animals were observed. RESULTS Taking the REBOA catheter to 22,000 ft in the simulation model resulted in a lower systolic blood pressure but a preserved MAP. In the porcine model, REBOA increased both systolic blood pressure and MAP compared with no-REBOA (P < 0.05) and was unaffected by altitude. No differences in postflight blood pressure, acidosis, or systemic inflammatory response were observed between ground and altitude REBOA groups. CONCLUSIONS REBOA maintained MAP up to 22,000 feet in an inanimate model. In the porcine model, REBOA deployment improved MAP, and the balloon remained effective at altitude.
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Wortmann M, Engelhart M, Elias K, Popp E, Zerwes S, Hyhlik-Dürr A. [Resuscitative endovascular balloon occlusion of the aorta ( REBOA) : Current aspects of material, indications and limits: an overview]. Chirurg 2020; 91:934-942. [PMID: 32514942 PMCID: PMC7581582 DOI: 10.1007/s00104-020-01180-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Hintergrund „Resuscitative endovascular balloon occlusion of the aorta“ (REBOA) stellt ein endovaskuläres Verfahren dar, bei dem ein Blockballon in die Aorta eingeführt wird, um eine distal des Ballons gelegene Blutung zu verringern und gleichzeitig die kardiale und zerebrale Oxygenierung zu verbessern. Ziel der Arbeit Vorstellung der REBOA-Technik, der möglichen Indikationen, der benötigen Materialien und der möglichen Komplikationen des Verfahrens. Material und Methoden Nichtsystematischer Übersichtsartikel über die aktuelle Literatur. Ergebnisse REBOA stellt gerade bei traumatisch bedingten Blutungen und rupturierten Aortenaneurysmen ein mögliches additives Verfahren zur hämodynamischen Stabilisierung dar. Die Komplikationsrate des Verfahrens liegt bei ungefähr 5 %, wobei Zugangskomplikationen im Vordergrund stehen, jedoch auch letale Komplikationen möglich sind. Diskussion Eine aortale Ballonblockade wird bei der Versorgung rupturierter Aortenaneurysmen standardmäßig eingesetzt. Es gibt wachsende Evidenz, dass REBOA bei der Versorgung polytraumatisierter Patienten mit einem hämorrhagischen Schock aufgrund einer abdominellen oder viszeralen Blutung eine vergleichsweise minimal-invasive Alternative zur offen chirurgischen Aortenklemmung mittels Thorakotomie darstellt. Mit der Entwicklung neuer Ballonkatheter, die ohne Führungsdraht und mit geringeren Schleusendurchmessern auskommen, wird auch ein Einsatz bei anderen Krankheitsbildern wie postoperativen abdominellen Nachblutungen, gynäkologischen Blutungen oder als additives Verfahren bei der kardiopulmonalen Reanimation diskutiert.
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A contemporary assessment of devices for Resuscitative Endovascular Balloon Occlusion of the Aorta ( REBOA): resource-specific options per level of care. Eur J Trauma Emerg Surg 2020; 47:57-69. [PMID: 32472443 DOI: 10.1007/s00068-020-01382-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 04/24/2020] [Indexed: 12/19/2022]
Abstract
PURPOSE Use of Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) as adjunct for temporary hemorrhage control in patients with exsanguinating torso hemorrhage is increasing. Characteristics of aortic occlusion balloons (AOB) are diverse and evolving as efforts are made to improve the technology. It is important to select a device that fits the requirements of the medical situation to minimize the risk of failure and complications. The aim of this study is to appraise guidance in the choice of an AOB in a specific situation. METHODS We assessed 29 AOB for differences and outline possible advantages and disadvantages of each. Bending stiffness was measured with a three-point bending device. RESULTS Diameter of the AOB ranged from 6 (ER-REBOA™) to 10 (Coda®-46) French. However, some need large-bore access sheaths up to 22 French (Fogarty®-45 and LeMaitre®-45) or even insertion via cut-down (Equalizer™-40). Bending stiffness varied from 0.08 N/mm (± 0.008 SD; Coda®-32) to 0.72 N/mm (± 0.024 SD; Russian prototype). Rescue Balloon™ showed kinking of the shaft at low bending pressures. The only non-compliant AOB is REBOA Balloon®. ER-REBOA™, Fogarty®, LeMaitre®, REBOA Balloon®, and Rescue Balloon™ are provided with external length marks to assist blind positioning. CONCLUSION In resource-limited settings, a guidewire- and fluoroscopy-free, rather stiff device, such as ER-REBOA™, Fogarty®, and LeMaitre®, is warranted. Of these devices, ER-REBOA™ is the only catheter compatible with seven French sheaths and specifically designed for emergency hemorrhage control. Of the over-the-wire devices, Q50® has several features that facilitate use and reduce the risk of malplacement or vessel damage.
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Brede JR, Kramer-Johansen J, Rehn M. A needs assessment of resuscitative endovascular balloon occlusion of the aorta ( REBOA) in non-traumatic out-of-hospital cardiac arrest in Norway. BMC Emerg Med 2020; 20:28. [PMID: 32316924 PMCID: PMC7175537 DOI: 10.1186/s12873-020-00324-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 04/13/2020] [Indexed: 11/10/2022] Open
Abstract
Introduction Out of hospital cardiac arrest (OHCA) carries an 86% mortality rate in Norway. Resuscitative endovascular balloon occlusion of the aorta (REBOA) is a potential adjunct in management of non-traumatic cardiac arrest and is feasible in pre-hospital setting without compromising standard cardiopulmonary resuscitation (CPR). However, number of patients potentially eligible for REBOA remain unknown. In preparation for a clinical trial to investigate any benefit of pre-hospital REBOA, we sought to assess the need for REBOA in Norway as an adjunct treatment in OHCA. Methods Retrospective observational cohort study of data from the Norwegian Cardiac Arrest Registry in the 3-year period 2016–2018. We identified number of patients potentially eligible for pre-hospital REBOA during CPR, defined by suspected non-traumatic origin, age 18–75 years, witnessed arrest, ambulance response time less than 15 min, treated by ambulance personnel and resuscitation effort over 30 min. Results In the 3-year period, ambulance personnel resuscitated 8339 cases. Of these, a group of 720 patients (8.6%) were eligible for REBOA. Only 18% in this group achieved return of spontaneous circulation and 7% survived for 30 days or more. Conclusion This national registry data analysis constitutes a needs assessment of REBOA in OHCA. We found that each year approximately 240 patients, or nearly 9% of ambulance treated OHCA, in Norway is potentially eligible for pre-hospital REBOA as an adjunct treatment to standard resuscitation. This needs assessment suggests that there is sufficient patient population in Norway to study REBOA as an adjunct treatment in OHCA.
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Theodorou CM, Anderson JE, Brenner M, Scalea TM, Inaba K, Cannon J, Seamon M, Spalding MC, Fox CJ, Moore EE, DuBose JJ, Galante JM. Practice, Practice, Practice! Effect of Resuscitative Endovascular Balloon Occlusion of the Aorta Volume on Outcomes: Data From the AAST AORTA Registry. J Surg Res 2020; 253:18-25. [PMID: 32311580 DOI: 10.1016/j.jss.2020.03.027] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 03/11/2020] [Accepted: 03/13/2020] [Indexed: 02/03/2023]
Abstract
BACKGROUND Resuscitative endovascular balloon occlusion of the aorta (REBOA) is an endovascular adjunct to hemorrhage control. Success relies on institutional support and focused training in arterial access. We hypothesized that hospitals with higher REBOA volumes will be more successful than low-volume hospitals at aortic occlusion with REBOA. METHODS This is a retrospective study from the American Association for the Surgery of Trauma Aortic Occlusion for Resuscitation in Trauma and Acute Care Surgery Registry from November 2013 to January 2018. Patients aged ≥18 y who underwent REBOA were included. Successful placement of REBOA catheters (defined as hemodynamic improvement with balloon inflation) was compared between high-volume (≥80 cases; two hospitals), mid-volume (10-20 cases; four hospitals), and low-volume (<10 cases; 14 hospitals) hospitals, adjusting for patient factors. RESULTS Of 271 patients from 20 hospitals, 210 patients (77.5%) had successful REBOA placement. Most patients were male (76.0%) and sustained blunt trauma (78.1%). cardiopulmonary resuscitation (CPR) was ongoing at the time of REBOA placement in 34.5% of patients. Inpatient mortality was 67.4%, unchanged by hospital volume. Multivariable logistic regression found increased odds of successful REBOA placement at high-volume versus low-volume hospitals (odds ratio [OR], 7.50; 95% confidence interval [CI], 2.10-27.29; P = 0.002) and mid-volume versus low-volume hospitals (OR, 7.82; 95% CI, 1.52-40.31; P = 0.014) and decreased odds among patients undergoing CPR during REBOA placement (OR, 0.10; 95% CI, 0.03-0.34; P < 0.001) when adjusting for age, sex, mechanism of injury, prehospital CPR, CPR on admission, transfer status, hospital location of REBOA placement, Glasgow Coma Scale ≤ 13, and injury severity. CONCLUSIONS Hospitals with higher REBOA volumes were more likely to achieve hemodynamic improvement with REBOA inflation. However, mortality and complication rates were unchanged. Independent of hospital volume, ongoing CPR is associated with a decreased odds of successful REBOA placement.
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Association of resuscitative endovascular balloon occlusion of the aorta ( REBOA) and mortality in penetrating trauma patients. Eur J Trauma Emerg Surg 2020; 47:1779-1785. [PMID: 32300850 DOI: 10.1007/s00068-020-01370-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2020] [Accepted: 04/06/2020] [Indexed: 10/24/2022]
Abstract
PURPOSE The purpose of this study was to examine the association of REBOA and mortality in a group of patients with penetrating trauma to the torso, treated in a level-I trauma center from Colombia. METHODS In a retrospective cohort study, patients with penetrating trauma, requiring emergency surgery, and treated between 2014 and 2018, were included. The decision to use or not use REBOA during emergent surgery was based on individual surgeon's opinion. A propensity score (PS) was calculated after adjusting for age, clinical signs on admission (systolic blood pressure, cardiac rate, Glasgow coma scale), severe trauma in thorax and abdomen, and the presence of non-compressive torso hemorrhage. Subsequently, logistic regression for mortality was adjusted for the number of red blood cells (RBC) transfused within the first six hours after admission, injury severity score (ISS), and quintiles of PS. RESULTS We included 345 patients; 28 of them (8.1%) were treated with REBOA. Crude mortality rates were 17.9% (5 patients) in REBOA group and 15.3% (48 patients) in control group (p = 0.7). After controlling for RBC transfused, ISS, and the PS, the odds of death in REBOA group was 78% lower than that in the control group (odds ratio [OR] 0.20, 95% confidence interval [95%CI] 0.05-0.77, p = 0.01). CONCLUSION We found that, when compared to no REBOA use, patients treated with REBOA had lower risk-adjusted odds of mortality. These findings should be interpreted with caution and confirmed in future comparative studies, if possible.
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Theodorou CM, Salcedo ES, DuBose JJ, Galante JM. Hate to Burst Your Balloon: Successful REBOA Use Takes More Than a Course. JOURNAL OF ENDOVASCULAR RESUSCITATION AND TRAUMA MANAGEMENT 2020; 4:21-29. [PMID: 32587666 DOI: 10.26676/jevtm.v4i1.106] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Background Resuscitative endovascular balloon occlusion of the aorta (REBOA) is emerging as a viable intervention for hemorrhagic shock. Training surgeons to place the device is only part of the process. We hypothesize that implementation challenges extend beyond surgical skills training and initial REBOA use should not be expected to mirror published success. Methods All REBOA placements from January 2016 to February 2017 at a level 1 trauma center were reviewed for opportunities for improvement. From September 2016 to February 2017, all patients meeting highest trauma activation criteria were reviewed against our REBOA algorithm to identify patients meeting criteria for REBOA placement but not undergoing the procedure. Results REBOA was introduced at our institution in September 2015, with the first placement in January 2016. Trauma surgery, emergency department, and operating room staff underwent training. Nine patients had REBOA placed with six survivors. One patient underwent an unsuccessful REBOA attempt and died. Four patients had complications from REBOA. Eight additional patients met indications but did not undergo REBOA. Conclusions Successful REBOA use requires more than teaching surgeons indications and techniques. For a successful REBOA program, system factors must be addressed. System processes must ensure equipment and procedures are standardized and familiar to all involved. Complications should be expected.
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Hilbert-Carius P, McGreevy DT, Abu-Zidan FM, Hörer TM. Pre-hospital CPR and early REBOA in trauma patients - results from the ABOTrauma Registry. World J Emerg Surg 2020; 15:23. [PMID: 32228640 PMCID: PMC7104487 DOI: 10.1186/s13017-020-00301-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 02/28/2020] [Indexed: 11/30/2022] Open
Abstract
Background Severely injured trauma patients suffering from traumatic cardiac arrest (TCA) and requiring cardiopulmonary resuscitation (CPR) rarely survive. The role of resuscitative endovascular balloon occlusion of the aorta (REBOA) performed early after hospital admission in patients with TCA is not well-defined. As the use of REBOA increases, there is great interest in knowing if there is a survival benefit related to the early use of REBOA after TCA. Using data from the ABOTrauma Registry, we aimed to study the role of REBOA used early after hospital admission in trauma patients who required pre-hospital CPR. Methods Retrospective and prospective data on the use of REBOA were collected from the ABOTrauma Registry from 11 centers in seven countries globally between 2014 and 2019. In all patients with pre-hospital TCA, the predicted probability of survival, calculated with the Revised Injury Severity Classification II (RISC II), was compared with the observed survival rate. Results Of 213 patients in the ABOTrauma Registry, 26 patients (12.2%) who had received pre-hospital CPR were identified. The median (range) Injury Severity Score (ISS) was 45.5 (25–75). Fourteen patients (54%) had been admitted to the hospital with ongoing CPR. Nine patients (35%) died within the first 24 h, while seventeen patients (65%) survived post 24 h. The survival rate to hospital discharge was 27% (n = 7). The predicted mortality using the RISC II was 0.977 (25 out of 26). The observed mortality (19 out of 26) was significantly lower than the predicted mortality (p = 0.049). Patients not responding to REBOA were more likely to die. Only one (10%) out of 10 non-responders survived. The survival rate in the 16 patients responding to REBOA was 37.5% (n = 6). REBOA with a median (range) duration of 45 (8–70) minutes significantly increases blood pressure from the median (range) 56.5 (0–147) to 90 (0–200) mmHg. Conclusions Mortality in patients suffering from TCA and receiving REBOA early after hospital admission is significantly lower than predicted by the RISC II. REBOA may improve survival after TCA. The use of REBOA in these patients should be further investigated.
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Coccolini F, Ceresoli M, McGreevy DT, Sadeghi M, Pirouzram A, Toivola A, Skoog P, Idoguchi K, Kon Y, Ishida T, Matsumura Y, Matsumoto J, Reva V, Maszkowski M, Fugazzola P, Tomasoni M, Cicuttin E, Ansaloni L, Zaghi C, Sibilla MG, Cremonini C, Bersztel A, Caragounis EC, Falkenberg M, Handolin L, Oosthuizen G, Szarka E, Manchev V, Wannatoop T, Chang SW, Kessel B, Hebron D, Shaked G, Bala M, Ordoñez CA, Hibert-Carius P, Chiarugi M, Nilsson KF, Larzon T, Gamberini E, Agnoletti V, Catena F, Hörer TM. Aortic balloon occlusion ( REBOA) in pelvic ring injuries: preliminary results of the ABO Trauma Registry. Updates Surg 2020; 72:527-536. [PMID: 32130669 DOI: 10.1007/s13304-020-00735-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 02/25/2020] [Indexed: 11/26/2022]
Abstract
EndoVascular and Hybrid Trauma Management (EVTM) has been recently introduced in the treatment of severe pelvic ring injuries. This multimodal method of hemorrhage management counts on several strategies such as the REBOA (resuscitative endovascular balloon occlusion of the aorta). Few data exist on the use of REBOA in patients with a severely injured pelvic ring. The ABO (aortic balloon occlusion) Trauma Registry is designed to capture data for all trauma patients in hemorrhagic shock where management includes REBOA placement. Among all patients included in the ABO registry, 72 patients presented with severe pelvic injuries and were the population under exam. 66.7% were male. Mean and median ISS were respectively 43 and 41 (SD ± 13). Isolated pelvic injuries were observed in 12 patients (16.7%). Blunt trauma occurred in 68 patients (94.4%), penetrating in 2 (2.8%) and combined in 2 (2.8%). Type of injury: fall from height in 15 patients (23.1%), traffic accident in 49 patients (75.4%), and unspecified impact in 1 patient (1.5%). Femoral access was gained pre-hospital in 1 patient, in emergency room in 43, in operating room in 12 and in angio-suite in 16. REBOA was positioned in zone 1 in 59 patients (81,9%), in zone 2 in 1 (1,4%) and in zone 3 in 12 (16,7%). Aortic occlusion was partial/periodical in 35 patients (48,6%) and total occlusion in 37 patients (51,4%). REBOA associated morbidity rate: 11.1%. Overall mortality rate was 54.2% and early mortality rate (≤ 24 h) was 44.4%. In the univariate analysis, factors related to early mortality (≤ 24 h) are lower pH values (p = 0.03), higher base deficit (p = 0.021), longer INR (p = 0.012), minor increase in systolic blood pressure after the REBOA inflation (p = 0.03) and total aortic occlusion (p = 0.008). None of these values resulted significant in the multivariate analysis. In severe hemodynamically unstable pelvic trauma management, REBOA is a viable option when utilized in experienced centers as a bridge to other treatments; its use might be, however, accompanied with severe-to-lethal complications.
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Sadeghi M, Dogan EM, Karlsson C, Jansson K, Seilitz J, Skoog P, Hörer TM, Nilsson KF. Total resuscitative endovascular balloon occlusion of the aorta causes inflammatory activation and organ damage within 30 minutes of occlusion in normovolemic pigs. BMC Surg 2020; 20:43. [PMID: 32122358 PMCID: PMC7053141 DOI: 10.1186/s12893-020-00700-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Accepted: 02/17/2020] [Indexed: 12/20/2022] Open
Abstract
Background Resuscitative endovascular balloon occlusion of the aorta (REBOA) causes physiological, metabolic, end-organ and inflammatory changes that need to be addressed for better management of severely injured patients. The aim of this study was to investigate occlusion time-dependent metabolic, end-organ and inflammatory effects of total REBOA in Zone I in a normovolemic animal model. Methods Twenty-four pigs (25-35 kg) were randomized to total occlusion REBOA in Zone I for either 15, 30, 60 min (REBOA15, REBOA30, and REBOA60, respectively) or to a control group, followed by 3-h reperfusion. Hemodynamic variables, metabolic and inflammatory response, intraperitoneal and intrahepatic microdialysis, and plasma markers of end-organ injuries were measured during intervention and reperfusion. Intestinal histopathology was performed. Results Mean arterial pressure and cardiac output increased significantly in all REBOA groups during occlusion and blood flow in the superior mesenteric artery and urinary production subsided during intervention. Metabolic acidosis with increased intraperitoneal and intrahepatic concentrations of lactate and glycerol was most pronounced in REBOA30 and REBOA60 during reperfusion and did not normalize at the end of reperfusion in REBOA60. Inflammatory response showed a significant and persistent increase of pro- and anti-inflammatory cytokines during reperfusion in REBOA30 and was most pronounced in REBOA60. Plasma concentrations of liver, kidney, pancreatic and skeletal muscle enzymes were significantly increased at the end of reperfusion in REBOA30 and REBOA60. Significant intestinal mucosal damage was present in REBOA30 and REBOA60. Conclusion Total REBOA caused severe systemic and intra-abdominal metabolic disturbances, organ damage and inflammatory activation already at 30 min of occlusion.
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Wessels LE, Wallace JD, Bowie J, Butler WJ, Spalding C, Krzyzaniak M. Radiofrequency Identification of the ER- REBOA: Confirmation of Placement Without Fluoroscopy. Mil Med 2020; 184:e285-e289. [PMID: 30085219 DOI: 10.1093/milmed/usy187] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 07/09/2018] [Accepted: 07/12/2018] [Indexed: 11/13/2022] Open
Abstract
INTRODUCTION Non-compressible torso hemorrhage accounts for 70% of battlefield deaths. Resuscitative endovascular balloon occlusion of the aorta (REBOA) is an emerging technology used to mitigate massive truncal hemorrhage. Use of REBOA on the battlefield is limited by the need for radiographic guided balloon placement. Radiofrequency identification (RFID) is a simple, portable, real-time technology utilized to detect retained sponges during surgery. We investigated the feasibility of RFID to confirm the placement of ER-REBOA. MATERIALS AND METHODS This was a single-arm prospective proof-of-concept experimental study approved by the institutional review board at Naval Medical Center San Diego. The ER-REBOA (Prytime Medical Devices, Inc, Boerne, TX, USA) was modified by placement of a RFID tag. The tagged ER-REBOA was placed in zone I or zone III of the aorta in a previously perfused cadaver. Exact location was documented with X-ray. Five blinded individuals used the RF Assure Detection System (Medtronic, Minneapolis, MN, USA) handheld detection wand to predict catheter tip location from the xiphoid process (zone I) or pubic tubercle (zone III). RESULTS In zone I, actual distance (Da) of the catheter tip was 11 cm from the xiphoid process. Mean predicted distance (Dp) from Da was 1.52 cm (95% CI 1.19-1.85). In zone III, Da was 14 cm from the pubic tubercle. Mean Dp from Da was 4.11 cm (95% CI 3.68-4.54). Sensitivity of detection was 100% in both zones. Specificity (Defined as Dp within 2 cm of Da) was 86% in zone I and 16% in zone III. CONCLUSIONS Using RFID to confirm the placement of ER-REBOA is feasible with specificity highest in zone I. Future work should focus on refining this technology for the forward-deployed setting.
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Hoareau GL, Williams TK, Davidson AJ, Russo RM, Ferencz SAE, Neff LP, Grayson JK, Stewart IJ, Johnson MA. Endocrine Effects of Simulated Complete and Partial Aortic Occlusion in a Swine Model of Hemorrhagic Shock. Mil Med 2020; 184:e298-e302. [PMID: 30371879 DOI: 10.1093/milmed/usy287] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 09/24/2018] [Accepted: 10/06/2018] [Indexed: 11/12/2022] Open
Abstract
INTRODUCTION Low distal aortic flow via partial aortic occlusion (AO) may mitigate ischemia induced by resuscitative endovascular balloon occlusion of the aorta (REBOA). We compared endocrine effects of a novel simulated partial AO strategy, endovascular variable aortic control (EVAC), with simulated REBOA in a swine model. MATERIALS AND METHODS Aortic flow in 20 swine was routed from the supraceliac aorta through an automated extracorporeal circuit. Following liver injury-induced hemorrhagic shock, animals were randomized to control (unregulated distal flow), simulated REBOA (no flow, complete AO), or simulated EVAC (distal flow of 100-300 mL/min after 20 minutes of complete AO). After 90 minutes, damage control surgery, resuscitation, and full flow restoration ensued. Critical care was continued for 4.5 hours or until death. RESULTS Serum angiotensin II concentration was higher in the simulated EVAC (4,769 ± 624 pg/mL) than the simulated REBOA group (2649 ± 429) (p = 0.01) at 180 minutes. There was no detectable difference in serum renin [simulated REBOA: 231.3 (227.9-261.4) pg/mL; simulated EVAC: 294.1 (231.2-390.7) pg/mL; p = 0.27], aldosterone [simulated EVAC: 629 (454-1098), simulated REBOA: 777 (575-1079) pg/mL, p = 0.53], or cortisol (simulated EVAC: 141 ± 12, simulated REBOA: 127 ± 9 ng/mL, p = 0.34) concentrations between groups. CONCLUSIONS Simulated EVAC was associated with higher serum angiotensin II, which may have contributed to previously reported cardiovascular benefits. Future studies should evaluate the renal effects of EVAC and the concomitant therapeutic use of angiotensin II.
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Abstract
Traumatic injuries of the hip and pelvis are commonly encountered in the emergency department. This article equips all emergency medicine practitioners with the knowledge to expertly diagnose, treat, and disposition these patients. Pelvic fractures occurring in young patients tend to be associated with high-energy mechanisms and polytrauma. Pelvic and hip fractures in the elderly are often a result of benign trauma but are associated with significant morbidity and mortality.
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Knapp J, Bernhard M, Haltmeier T, Bieler D, Hossfeld B, Kulla M. [Resuscitative endovascular balloon occlusion of the aorta : Option for incompressible trunk bleeding?]. Anaesthesist 2019; 67:280-292. [PMID: 29508015 DOI: 10.1007/s00101-018-0418-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Hemorrhage is the single largest cause of avoidable death in trauma patients, whereby in civil emergency medicine in Europe most life-threatening hemorrhages occur in the abdomen and the pelvis. This is one reason why endovascular balloon occlusion of the aorta (EBOA), a procedure especially established in vascular surgery, is increasingly propagated for rapid bleeding control in these patients. This review article provides a comprehensive overview of the technique, indications, contraindications and complications of resuscitative endovascular balloon occlusion of the aorta (REBOA). Additionally, outcomes reported in in the currently available literature are summarized and discussed. From this practical and user-oriented consequences for future successful introduction of REBOA in the field of emergency medicine are deduced.
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Hoareau GL, Tibbits EM, Simon MA, Davidson AJ, DeSoucy ES, Faulconer ER, Grayson JK, Stewart IJ, Neff LP, Williams TK, Johnson MA. Renal effects of three endoaortic occlusion strategies in a swine model of hemorrhagic shock. Injury 2019; 50:1908-1914. [PMID: 31466700 DOI: 10.1016/j.injury.2019.08.037] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 08/21/2019] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Trauma patients are predisposed to kidney injury. We hypothesized that in shock, zone 3 REBOA would increase renal blood flow (RBF) compared to control and that a period of zone 3 occlusion following zone 1 occlusion would improve renal function compared to zone 1 occlusion alone. MATERIALS AND METHODS Twenty-four anesthetized swine underwent hemorrhagic shock, 45 min of zone 1 REBOA (Z1, supraceliac), zone 3 REBOA (Z3, infrarenal), or no intervention (control) followed by resuscitation with shed blood and 5 h of critical care. In a fourth group (Z1Z3), animals underwent 55 min of zone 3 REBOA following zone 1 occlusion. Physiologic parameters were recorded, blood and urine were collected at specified intervals. RESULTS During critical care, there were no differences in RBF between the Z1 and Z3 groups. The average RBF during critical care in Z1Z3 was significantly lower than in Z3 alone (98.2 ± 23.9 and 191.9 ± 23.7 mL/min; p = 0.046) and not different than Z1. There was no difference in urinary neutrophil gelatinase-associated lipocalin-to-urinary creatinine ratio between Z1 and Z1Z3. Animals in the Z1Z3 group had a significant increase in the ratio at the end of the experiment compared to baseline [median (IQR)] [9.2 (8.2-13.2) versus 264.5 (73.6-1174.6)]. Following Z1 balloon deflation, RBF required 45 min to return to baseline. CONCLUSION Neither zone 3 REBOA alone nor zone 3 REBOA following zone 1 REBOA improved renal blood flow or function. Following zone 1 occlusion, RBF is restored to baseline levels after approximately 45 min.
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Arndt L, Mir D, Nguyen J, Nezami N, Dariushnia SR, Findeiss LK, Prater A, West DL, Majdalany BS, Kokabi N. The resuscitative endovascular balloon occlusion of aorta ( REBOA) device-what radiologists need to know. Emerg Radiol 2019; 26:691-694. [PMID: 31515654 DOI: 10.1007/s10140-019-01724-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 08/22/2019] [Indexed: 11/26/2022]
Abstract
Resuscitative endovascular balloon occlusion of the aorta (REBOA) is a novel device approved by the Food and Drug administration (FDA) in 2017 as an alternative to resuscitative emergent thoracotomy (RET). Due to advancements in placement of REBOA, including newly validated placement using anatomic landmarks, REBOA is now widely used by interventional radiologists and emergency physicians in acute subdiaphragmatic hemorrhage. Increased use of REBOA necessitates that radiologists are familiar with verification of proper REBOA placement to minimize complications. This review describes the REBOA device, indications, placement, and complications, summarizing the current available literature.
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REBOA as a rescue strategy for catastrophic vascular injury during robotic surgery. J Robot Surg 2019; 14:473-477. [PMID: 31463880 DOI: 10.1007/s11701-019-01011-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 08/06/2019] [Indexed: 10/26/2022]
Abstract
Catastrophic bleeding is a feared complication of robotic abdominal procedures that involve dissection in close proximity to major vessels. In the event of uncontrollable hemorrhage, standard practice involves emergency undocking with conversion to laparotomy. Resuscitative endovascular balloon occlusion of the aorta (REBOA) is a rapid and life-saving technique gaining acceptance in the trauma setting for the management of catastrophic hemorrhage. The purpose of this study was to evaluate feasibility of REBOA for emergency hemostasis during robotic surgery. The surgical robot was docked to a REBOA mannequin to simulate an upper abdominal surgery. A femoral arterial line was placed in the mannequin. Supplies needed for REBOA insertion were opened and arranged on the surgical back table. The surgeon was seated at the console with an assistant scrubbed. A catastrophic vascular injury was announced. The time it took the surgeon to achieve aortic occlusion by the REBOA was recorded. Four surgeons participated and performed three timed trials each. Each surgeon, irrespective of experience with REBOA or years in surgical practice, was able to obtain aortic occlusion in less than 2 min. The mean time to aortic occlusion for all surgeons was 111 s. No manipulation of the robotic arms was required to perform the procedure. Aortic occlusion was achieved rapidly with REBOA. Ability to achieve prompt aortic control was not associated with surgical experience or prior familiarity with the REBOA device. Prophylactic femoral access and preparation of supplies facilitates prompt placement of the occlusion balloon. REBOA should be considered as a viable alternative to open laparotomy for temporary hemorrhage control during robotic surgery.
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Vernamonti JP, Holcomb J, Mick NW, Falank C, Ontengco JB, Rappold J, Sheppard FR. 'Step Up' approach to the application of REBOA technology in a rural trauma system. Trauma Surg Acute Care Open 2019; 4:e000335. [PMID: 31392283 PMCID: PMC6660803 DOI: 10.1136/tsaco-2019-000335] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 06/11/2019] [Accepted: 06/12/2019] [Indexed: 12/01/2022] Open
Abstract
Our group has developed a ‘Step Up’ approach to the application of Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) in a rural trauma system. This incorporates viewing REBOA as a spectrum of technology. Examples of REBOA technology use to improve outcomes and provision of our system’s clinical practice guideline for the Step-Up application of REBOA technology in the care of trauma patients are presented.
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Borger van der Burg BLS, Keijzers P, van Dongen TTCF, van Waes OJF, Hoencamp R. For debate: advanced bleeding control potentially saves lives in armed forces and should be considered. BMJ Mil Health 2019; 166:e43-e46. [PMID: 31208988 DOI: 10.1136/jramc-2019-001231] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 05/16/2019] [Accepted: 05/16/2019] [Indexed: 11/03/2022]
Abstract
INTRODUCTION Advanced bleeding control options for truncal and junctional haemorrhage including resuscitative endovascular balloon occlusion of the aorta (REBOA) have been used in managing catastrophic bleeding. The primary aim is to report on potential indications for advanced bleeding control in combat casualties during the Dutch deployment in Uruzgan, Afghanistan, between August 2006 and August 2010. The secondary aim is to report on training methods for advanced bleeding control in (para)medical personnel. METHODS The trauma registry from the Dutch role 2 enhanced medical treatment facility at Tarin Kowt, Uruzgan, Afghanistan, was used to analyse patients who sustained a battle injury with major haemorrhage. Furthermore, a comprehensive search was performed on training (para)medical personnel in advanced bleeding control. RESULTS There were 212 possible indications for advanced bleeding control with mortality of 28.8% (61/212). These possible indications consisted of 1.9% (4/212) junctional lower extremity injuries with a 75% (3/4) mortality rate, 59% (125/212) visceral vascular injuries with a mortality rate of 12.5% (26/125). The junctional and visceral injuries (n=129) were all potential indications for advanced bleeding control options, such as REBOA. Further 39.2% (83/212) casualties with central thoracic or neck injuries had a mortality rate of 38.6% (32/83). Based on an Abbreviated Injury Scale chest or abdomen score ≥461 indications for advanced bleeding control were identified. A 24-hour average of 8.8 packets of red blood cells, 4.2 packets of plasma and 1.9 packets of platelets was used to prevent exsanguination. The total out-of-hospital survival rate was 64% (39/61). CONCLUSION Retrospective analysis revealed 212 potential indications for advanced bleeding control with a mortality of 28.8% (61/212). Advanced bleeding control, such as REBOA, might have improved survival in approximately 61 of 212 casualties. Advanced bleeding control could be used as an adjunct to improve outcomes in major truncal or junctional haemorrhage in prehospital, remote settings and implementation should be considered. Vascular access training and REBOA placement for (para)medical military personnel should be explored in future research.
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Borger van der Burg BLS, Kessel B, DuBose JJ, Hörer TM, Hoencamp R. Consensus on resuscitative endovascular balloon occlusion of the Aorta: A first consensus paper using a Delphi method. Injury 2019; 50:1186-1191. [PMID: 31047681 DOI: 10.1016/j.injury.2019.04.024] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Revised: 04/21/2019] [Accepted: 04/23/2019] [Indexed: 02/02/2023]
Abstract
BACKGROUND To further strengthen the evidence base on the use of Resuscitative Endovascular Balloon occlusion of the Aorta (REBOA) we performed a Delphi consensus. The aim of this paper is to establish consensus on the indications and contraindications for the use of REBOA in trauma and non-trauma patients based on the existing evidence and expertise. STUDY DESIGN A literature review facilitated the design of a three-round Delphi questionnaire. Delphi panelists were identified by the investigators. Consensus was reached when at least 70% of the panelists responded to the survey and more than 70% of respondents reached agreement or disagreement. RESULTS Panel members reached consensus on potential indications, contra-indications and settings for use of REBOA (excluding the pre hospital environment), physiological parameters for patient selection and indications for early femoral access. Panel members failed to reach consensus on the use of REBOA in patients in extremis (no pulse, no blood pressure) and the use of REBOA in patients with two major bleeding sites. CONCLUSIONS Consensus was reached on indications, contra indications, physiological parameters for patient selection for REBOA and early femoral access. The panel did not reach consensus on the use of REBOA in patients in pre-hospital settings, patients in extremis (no pulse, no blood pressure) and in patients with 2 or more major bleeding sites. Further research should focus on the indications of REBOA in pre hospital settings, patients in near cardiac arrest and REBOA inflation times.
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Tiba MH, McCracken BM, Cummings BC, Colmenero CI, Rygalski CJ, Hsu CH, Sanderson TH, Nallamothu BK, Neumar RW, Ward KR. Use of resuscitative balloon occlusion of the aorta in a swine model of prolonged cardiac arrest. Resuscitation 2019; 140:106-112. [PMID: 31121206 DOI: 10.1016/j.resuscitation.2019.05.010] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 05/01/2019] [Accepted: 05/13/2019] [Indexed: 12/20/2022]
Abstract
AIM We examined the use of a Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) catheter during cardiopulmonary resuscitation (CPR) after cardiac arrest (CA) to assess its effect on haemodynamics such as coronary perfusion pressure (CPP), common carotid artery blood flow (CCA-flow) and end-tidal CO2 (PetCO2) which are associated with increased return of spontaneous circulation (ROSC). METHODS Six male swine were instrumented to measure CPP, CCA-Flow, and PetCO2. A 7Fr REBOA was advanced into zone-1 of the aorta through the femoral artery. Ventricular fibrillation was induced and untreated for 8 min. CPR (manual then mechanical) was initiated for 24 min. Continuous infusion of adrenaline (epinephrine) was started at minute-4 of CPR. The REBOA balloon was inflated at minute-16 for 3 min and then deflated/inflated every 3 min for 3 cycles. Animals were defibrillated up to 6 times after the final cycle. Animals achieving ROSC were monitored for 25 min. RESULTS Data showed significant differences between balloon deflation and inflation periods for CPP, CCA-Flow, and PetCO2 (p < 0.0001) with an average difference (SD) of 13.7 (2.28) mmHg, 15.5 (14.12) mL min-1 and -4 (2.76) mmHg respectively. Three animals achieved ROSC and had significantly higher mean CPP (54 vs. 18 mmHg), CCA-Flow (262 vs. 135 mL min-1) and PetCO2 (16 vs. 8 mmHg) (p < 0.0001) throughout inflation periods than No-ROSC animals. Aortic histology did not reveal any significant changes produced by balloon inflation. CONCLUSION REBOA significantly increased CPP and CCA-Flow in this model of prolonged CA. These increases may contribute to the ability to achieve ROSC.
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Wasicek PJ, Li Y, Yang S, Teeter WA, Scalea TM, Hu P, Brenner ML. Examination of hemodynamics in patients in hemorrhagic shock undergoing Resuscitative Endovascular Balloon Occlusion of the Aorta ( REBOA). Injury 2019; 50:1042-1048. [PMID: 30591227 DOI: 10.1016/j.injury.2018.12.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 12/10/2018] [Accepted: 12/21/2018] [Indexed: 02/02/2023]
Abstract
BACKGROUND The objective of this study was to investigate the hemodynamic effects of aortic occlusion (AO) during Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) using a sophisticated continuous vital sign (CVS) monitoring tool. METHODS Patients admitted between February 2013 and May 2017 at a tertiary center that received REBOA were included. Patients in cardiac arrest before or at the time of REBOA were excluded. Time of AO was documented by time-stamped videography and correlated with CVS data. RESULTS 28 patients were included, mean (standard deviation) ISS was 38 (11). 18 received Zone 1 (distal thoracic aorta) and 10 received Zone 3 (distal abdominal aorta) AO. Among Zone 1 patients the pre-AO systolic blood pressure (SBP) nadir was 64 (19) mmHg, which increased to a mean of 124 (29) mmHg within 5 min after AO (p < 0.01). Among Zone 3 patients the pre-AO SBP nadir was 75 (19) mmHg, which increased to a mean of 98 (14) mmHg within 5 min after AO (p < 0.01). 72% of Zone 1 patients had episodes during AO where SBP was less than 90 mmHg as compared to 80% of Zone 3 patients (p = 0.51). 100% of Zone 1 patients had periods during AO where SBP was greater than 140 mmHg as compared to 70% Zone 3 patients (p = 0.04). The overall mean decrease in SBP after balloon deflation was 13 (20) mmHg (p < 0.01), with similar decreases among groups (14 (21) mmHg vs 12 (18) mmHg for Zone 1 and 3 patients, respectively (p = 0.85)). Patients undergoing Zone 1 AO were more likely to have an acute change (increase or decrease) in their heart rate immediately after AO as compared to Zone 3 AO (p = 0.048). CONCLUSIONS Significant hemodynamic alterations occur before, during, and after AO. The effects of Zone 1 AO on blood pressure and heart rate appear different than Zone 3 AO. This may have important implications for cardiac or cerebral function and perfusion goals, particularly with concomitant injuries such as cardiac contusion or traumatic brain injury.
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