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Aru RG, Stonko DP, Tan LT, Sorber RA, Hicks CW, Black JH. Utility of motor-evoked potentials in contemporary open thoracoabdominal aortic repair. J Vasc Surg 2024:S0741-5214(24)00984-4. [PMID: 38614141 DOI: 10.1016/j.jvs.2024.04.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 03/31/2024] [Accepted: 04/07/2024] [Indexed: 04/15/2024]
Abstract
OBJECTIVE Paraplegia remains one of the major complications of contemporary open thoracoabdominal aortic aneurysm (TAAA) repair. Intraoperative motor-evoked potentials (MEPs) act as a surrogate measure for spinal cord homeostasis. The purpose of this study was to evaluate the results of intraoperative neuromonitoring in contemporary TAAA repair and its association with postoperative spinal cord ischemia (SCI). METHODS Patients who underwent open type 2 or 3 TAAA or completion aortic repair using intraoperative neuromonitoring were identified between May 2006 and November 2023. Patient demographics, comorbidities, indication for the procedure, procedural details, and outcomes were recorded. The groups were divided based on type of repair, and univariate statistics were then used to evaluate the association of these metrics vs the type of repair. RESULTS Seventy-nine patients underwent open type 2 (N = 41) and 3 (N = 23) TAAA and completion aortic (N = 15; open in 14 and endovascular in 1) repairs by a single surgeon. The cohort was predominantly male (N = 48, 60.8%) with a mean age of 52.5 ± 16.2 years. There was a high incidence of hypertension (N = 53, 67.1%), smoking history (N = 42, 53.1%), and connective tissue disorders (N = 37, 46.8%). Operative indications included dissection-related (N = 50, 63.3%) and degenerative (N = 26, 32.9%) TAAA and dissection-related malperfusion (N = 3, 3.8%). Left heart bypass was often (N = 73, 92.4%) used for distal aortic perfusion, and cerebrospinal fluid drainage (N = 77, 97.5%) was a common adjunct. MEPs were classified as no change (N = 43, 54.4%), reversible change (N = 26, 32.9%), irreversible change (N = 4, 5.1%), and unreliable (N = 6, 7.6%). MEP changes were predominantly bilateral (N = 70, 88.6%) and occurred most often during repair of the abdominal aortic segment (N = 13, 16.5%). The median number of replaced vertebral levels was associated with MEP changes (P = .013). SCI was only observed in repairs greater than 6 replaced vertebral levels with an overall frequency of 17.7%. It was most prevalent in completion aortic repairs (26.7%). Immediate and delayed SCI occurred in 10.1% and 7.6% of patients, respectively; it was most commonly (71.8%) reversible. Permanent paraplegia occurred in four patients (5.1%), with equal immediate and delayed onsets. MEPs demonstrated poor sensitivity (53.9%) and specificity (62.3%) for SCI; however, there was a high negative predictive value (86.4%) in this population. In-hospital mortality occurred in five (6.3%) patients. CONCLUSIONS No changes in intraoperative MEPs are highly predictive of spinal cord homeostasis. The number of replaced vertebral levels and previous aortic repair should guide intraoperative neuroprotective measures including intercostal reimplantation and should take precedence over intraoperative monitoring, especially when MEP changes occur.
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Affiliation(s)
- Roberto G Aru
- Division of Vascular Surgery and Endovascular Therapy, Johns Hopkins University School of Medicine, Baltimore, MD; Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD
| | - David P Stonko
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Li T Tan
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Rebecca A Sorber
- Division of Vascular Surgery, University of Washington, Seattle, WA
| | - Caitlin W Hicks
- Division of Vascular Surgery and Endovascular Therapy, Johns Hopkins University School of Medicine, Baltimore, MD; Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD
| | - James H Black
- Division of Vascular Surgery and Endovascular Therapy, Johns Hopkins University School of Medicine, Baltimore, MD; Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD.
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Ikeno Y, Takayama Y, Williams ML, Kawaniashi Y, Jansz P. Computational fluid dynamics simulate optimal design of segmental arteries reattachment: Influence of blood flow stagnation. JTCVS OPEN 2023; 15:61-71. [PMID: 37808064 PMCID: PMC10556939 DOI: 10.1016/j.xjon.2023.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 06/13/2023] [Accepted: 07/10/2023] [Indexed: 10/10/2023]
Abstract
Objectives This study aimed to simulate blood flow stagnation using computational fluid dynamics and to clarify the optimal design of segmental artery reattachment for thoracoabdominal aortic repair. Methods Blood flow stagnation, defined by low-velocity volume or area of the segmental artery, was simulated by a 3-dimensional model emulating the systolic phase. Four groups were evaluated: direct anastomosis, graft interposition, loop-graft, and end graft. Based on contemporary clinical studies, direct anastomosis can provide a superior patency rate than other reattachment methods. We hypothesized that stagnation of the blood flow is negatively associated with patency rates. Over time, velocity changes were evaluated. Results The direct anastomosis method led to the least blood flow stagnation, whilst the end-graft reattachment method resulted in worse blood flow stagnation. The loop-graft method was comparatively during late systole, which was also influenced by configuration of the side branch. Graft interposition using 20 mm showed a low-velocity area in the distal part of the side graft. When comparing length and diameter of an interposed graft, shorter and smaller branches resulted in less blood flow stagnation. Conclusions In our simulation, direct anastomosis of the segmental artery resulted in the most efficient design in terms of blood flow stagnation. A shorter (<20 mm) and smaller (<10 mm) branch should be used for graft interposition. Loop-graft is an attractive alternative to direct anastomosis; however, its blood flow pattern can be influenced.
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Affiliation(s)
- Yuki Ikeno
- Department of Cardiothoracic Surgery, St Vincent Hospital Sydney, Sydney, New South Wales, Australia
| | - Yoshishige Takayama
- Division of Simcenter Support, Department of CCM, Siemens K.K., Tokyo, Japan
| | - Michael L. Williams
- Department of Cardiothoracic Surgery, St Vincent Hospital Sydney, Sydney, New South Wales, Australia
| | - Yujiro Kawaniashi
- Department of Cardiothoracic Surgery, St Vincent Hospital Sydney, Sydney, New South Wales, Australia
| | - Paul Jansz
- Department of Cardiothoracic Surgery, St Vincent Hospital Sydney, Sydney, New South Wales, Australia
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3
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Milam AJ, Hung P, Bradley AS, Herrera-Quiroz D, Soh I, Ramakrishna H. Open Versus Endovascular Repair of Descending Thoracic Aneurysms: Analysis of Outcomes. J Cardiothorac Vasc Anesth 2023; 37:483-492. [PMID: 36522256 DOI: 10.1053/j.jvca.2022.11.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 11/16/2022] [Indexed: 11/25/2022]
Affiliation(s)
- Adam J Milam
- Division of Cardiovascular and Thoracic Anesthesiology, Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Phoenix, AZ
| | - Penny Hung
- Medical Student, Mayo Clinic Alix School of Medicine, Scottsdale, AZ
| | - A Steven Bradley
- Department of Anesthesiology, Uniformed Services University of Health Sciences, Bethesda, MD
| | | | - Ina Soh
- Division of Vascular Surgery, Department of Surgery, Mayo Clinic, Phoenix, AZ
| | - Harish Ramakrishna
- Division of Cardiovascular Anesthesia, Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN.
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Tanaka A, Nguyen H, Dhillon JS, Nakamura M, Zhou SF, Sandhu HK, Miller CC, Safi HJ, Estrera AL. Reappraisal of the role of motor and somatosensory evoked potentials during open distal aortic repair. J Thorac Cardiovasc Surg 2023; 165:944-953. [PMID: 34517983 DOI: 10.1016/j.jtcvs.2021.08.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 07/14/2021] [Accepted: 08/09/2021] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Intraoperative motor and somatosensory evoked potentials have been applied to monitor spinal cord ischemia during repair. However, their predictive values remain controversial. The purpose of this study was to evaluate the impact of motor evoked potentials and somatosensory evoked potentials on spinal cord ischemia during open distal aortic repair. METHODS Our group began routine use of both somatosensory evoked potentials and motor evoked potentials at the end of 2004. This study used a historical cohort design, using risk factor and outcome data from our department's prospective registry. Univariate and multivariable statistics for risk-adjusted effects of motor evoked potentials and somatosensory evoked potentials on neurologic outcome and model discrimination were assessed with receiver operating characteristic curves. RESULTS Both somatosensory evoked potentials and motor evoked potentials were measured in 822 patients undergoing open distal aortic repair between December 2004 and December 2019. Both motor evoked potentials and somatosensory evoked potentials were intact for the duration of surgery in 348 patients (42%). Isolated motor evoked potential loss was observed in 283 patients (34%), isolated somatosensory evoked potential loss was observed in 18 patients (3%), and both motor evoked potential and somatosensory evoked potential loss were observed in 173 patients (21%). No spinal cord ischemia occurred in the 18 cases with isolated somatosensory evoked potential loss. When both signals were lost, signal loss happened in the order of motor evoked potentials and then somatosensory evoked potentials. Immediate spinal cord ischemia occurred in none of those without signal loss, 4 of 283 (1%) with isolated motor evoked potential loss, and 15 of 173 (9%) with motor evoked potential plus somatosensory evoked potential loss. Delayed spinal cord ischemia occurred in 12 of 348 patients (3%) with intact evoked potentials, 24 of 283 patients (8%) with isolated motor evoked potentials loss, and 27 of 173 patients (15%) with motor evoked potentials + somatosensory evoked potentials loss (P < .001). Motor evoked potentials and somatosensory evoked potentials loss were each independently associated with spinal cord ischemia. For immediate spinal cord ischemia, no return of motor evoked potential signals at the conclusion of the surgery had the highest odds ratio of 15.87, with a receiver operating characteristic area under the curve of 0.936, whereas motor evoked potential loss had the highest odds ratio of 3.72 with an area under the curve of 0.638 for delayed spinal cord ischemia. CONCLUSIONS Somatosensory evoked potentials and motor evoked potentials are both important monitoring measures to predict and prevent spinal cord ischemia during and after open distal aortic repairs. Intraoperative motor evoked potential loss is a risk for immediate and delayed spinal cord ischemia after open distal aortic repair, and somatosensory evoked potential loss further adds predictive value to the motor evoked potential.
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Affiliation(s)
- Akiko Tanaka
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at UTHealth, Houston, Tex
| | - Hung Nguyen
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at UTHealth, Houston, Tex
| | - Jaydeep S Dhillon
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at UTHealth, Houston, Tex
| | - Masaki Nakamura
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at UTHealth, Houston, Tex
| | - Shao-Feng Zhou
- Department of Anesthesiology, McGovern Medical School at UTHealth, Houston, Tex
| | - Harleen K Sandhu
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at UTHealth, Houston, Tex
| | - Charles C Miller
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at UTHealth, Houston, Tex
| | - Hazim J Safi
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at UTHealth, Houston, Tex
| | - Anthony L Estrera
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at UTHealth, Houston, Tex.
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Busch A, Wolk S, Lutz B, Zimmermann C, Ankudinov M, Klenk D, Ehehalt F, Rössel T, Ludwig S, Reeps C. [Open thoracic and thoracoabdominal aortic repair vs. f/bTEVAR - complementary or competitive?]. Zentralbl Chir 2021; 146:470-478. [PMID: 34666359 DOI: 10.1055/a-1562-2770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The classical approach of open repair (OR) for thoracic and thoracoabdominal aortic pathologies, including aneurysms and dissection, has been outnumbered by the use of fenestrated/branched (thoracic) endovascular aortic repair (f/b[T]EVAR) in recent years. Providing OR for complex cases in an aortic service requires a dedicated surgical setup and a huge body of expertise in this particular field.In order to reduce specific complications, such as perioperative mortality, kidney failure, spinal cord ischemia, stroke or bowel ischemia, it is necessary to apply cerebrospinal-spinal fluid drainage, point-of-care coagulation therapy, distal and retrograde aortic perfusion and sequential clamping. Despite the predominance of endovascular solutions, the specific OR expertise is still needed for specific indications, such as young patients, connective tissue disorder or aortic graft infections.Currently, the short and mid term results for f/b(T)EVAR outweigh those for OR, including the shorter hospital stay and less invasive procedures. However, OR provides better long-term results for overall mortality, re-intervention rates and secondary complications.In conclusion, in our opinion OR is a service that is still necessary for dedicated aortic centres, but will most likely become more frequent again in the years to come.
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Affiliation(s)
- Albert Busch
- Department for Visceral, thoracic and vascular surgery, University Hospital and Medical Faculty Carl Gustav Carus, Technical University Dresden, Dresden, Germany
| | - Steffen Wolk
- Department for Visceral, thoracic and vascular surgery, University Hospital and Medical Faculty Carl Gustav Carus, Technical University Dresden, Dresden, Germany
| | - Brigitta Lutz
- Department for Visceral, thoracic and vascular surgery, University Hospital and Medical Faculty Carl Gustav Carus, Technical University Dresden, Dresden, Germany
| | - Carolin Zimmermann
- Department for Visceral, thoracic and vascular surgery, University Hospital and Medical Faculty Carl Gustav Carus, Technical University Dresden, Dresden, Germany
| | - Miroslav Ankudinov
- Department for Visceral, thoracic and vascular surgery, University Hospital and Medical Faculty Carl Gustav Carus, Technical University Dresden, Dresden, Germany
| | - David Klenk
- Department for Visceral, thoracic and vascular surgery, University Hospital and Medical Faculty Carl Gustav Carus, Technical University Dresden, Dresden, Germany
| | - Florian Ehehalt
- Department for Visceral, thoracic and vascular surgery, University Hospital and Medical Faculty Carl Gustav Carus, Technical University Dresden, Dresden, Germany
| | - Thomas Rössel
- Department of Anesthesiology and Intensive Care Medicine, University Hospital and Medical Faculty Carl Gustav Carus, Technical University Dresden, Dresden, Germany
| | - Stefan Ludwig
- General, Thoracic and Vascular Surgery, University of Dresden, Dresden, Germany
| | - Christian Reeps
- Department for Visceral, thoracic and vascular surgery, University Hospital and Medical Faculty Carl Gustav Carus, Technical University Dresden, Dresden, Germany
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Lee JH, Kim H, Chang HW, Kim DJ, Kim JS, Lim C, Park KH. Incidence of spinal cord ischemia according to the patency of reimplanted segmental arteries during thoracoabdominal aortic replacement. THE JOURNAL OF CARDIOVASCULAR SURGERY 2021; 63:37-43. [PMID: 34014056 DOI: 10.23736/s0021-9509.21.11244-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND This study aimed to investigate the impact of segmental artery reimplantation and its patency on spinal cord ischemia (SCI) in thoracoabdominal aorta replacement. METHODS For 193 patients who underwent early postoperative computed tomographic (CT) angiography after thoracoabdominal aorta replacement, the technique of segmental artery reimplantation, their patency, and postoperative SCI were retrospectively investigated. RESULTS The early patency rate of reimplanted segmental artery was 83.3% (210 of 252), as 13 were taken down intraoperatively and 42 were not visualized in the postoperative CT angiography. The patency rate differed according to the reimplantation technique: 93.6% (131/140) for en bloc patch, 95.6% (43/45) for small individual patch, and 53.7% (36/67) for graft interposition. SCI occurred in 13 (6.3%) patients, 4 of whom (2.0%) remained paraplegic permanently. SCI was significantly more frequent (P=0.044) in the patients in whom segmental artery reimplantation was not successful (take-down or occlusion, 6/37=16.2%) than in those who had all segmental arteries sacrificed intentionally (2/64=3.1%) and those who showed patency of all reimplanted segmental arteries (5/92=5.4%). Especially, there was no permanent paraplegia in the last group. Failure of intended segmental artery reimplantation was a significant risk factor of postoperative SCI in logistic regression analysis (P=0.012; odds ratio 4.65, 95% confidence interval 1.41-15.36). CONCLUSIONS During thoracoabdominal aorta replacement, attention should be paid to the segmental artery reimplantation technique, which affects the risk of occlusion or intraoperative takedown and thereby may have impact on postoperative SCI.
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Affiliation(s)
- Jae H Lee
- Department of Thoracic and Cardiovascular Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Hakju Kim
- Department of Thoracic and Cardiovascular Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Hyoung W Chang
- Department of Thoracic and Cardiovascular Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Dong J Kim
- Department of Thoracic and Cardiovascular Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Jun S Kim
- Department of Thoracic and Cardiovascular Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Cheong Lim
- Department of Thoracic and Cardiovascular Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Kay-Hyun Park
- Department of Thoracic and Cardiovascular Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea -
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Rabin A, Palacio D, Saqib N, Bar-Yoseph P, Weiss D, Afifi RO. Aortic aneurysms and dissections: Unmet needs from physicians and engineers perspectives. J Biomech 2021; 122:110461. [PMID: 33901933 DOI: 10.1016/j.jbiomech.2021.110461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 03/31/2021] [Indexed: 10/21/2022]
Abstract
The treatment of aortic disease is complex, requiring cardiothoracic and vascular surgeons to make pre-, post- and intraoperative decisions directly influencing patient survival and well-being. Despite tremendous advancement in vascular surgery and endovascular techniques in the last two decades, along with the abundance of research in the field, many unmet needs and unanswered questions remain. Tight collaboration between engineers and physicians is a keystone in translating new tools, techniques, and devices into practice. Here, we have gathered our perspective, as physicians and engineers, in several pressing issues associated with the diagnosis and treatment of aortic aneurysms and dissection, referring to the current knowledge and practice, signifying unmet needs as well as future directions.
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Affiliation(s)
- Asaf Rabin
- Department of Vascular and Endovascular Surgery Unit, B. Padeh M.C, Poriya, Israel.
| | - Diana Palacio
- Cardiothoracic Imaging Division, Department of Medical Imaging, The University of Arizona Banner Medical Center, Tucson, AZ, USA
| | - Naveed Saqib
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Pinhas Bar-Yoseph
- Faculty of Mechanical Engineering, Technion-Israel Institute of Technology, Haifa, Israel
| | - Dar Weiss
- Department of Biomedical Engineering, Yale university, CT, USA
| | - Rana O Afifi
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
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Sulzinski MC, Rossi MJ, Alfawaz AA, Reynolds KB, Maloni KC, Kiguchi MM, Dearing JA, Abramowitz SD, Vallabhaneni R, Woo EY, Fatima J. Optimization of factors for the prevention of spinal cord ischemia in thoracic endovascular aortic repair. Vascular 2021; 30:199-205. [PMID: 33853456 DOI: 10.1177/17085381211007623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVES Spinal cord ischemia following thoracic endovascular aortic repair (TEVAR) is a devastating complication. This study seeks to demonstrate how a standardized protocol to prevent spinal cord ischemia affects incidence in patients undergoing TEVAR. METHODS Using CPT codes 33880 and 33881, all TEVAR procedures performed at a single tertiary care center from January 2017 to December 2018 were examined. Patients who had concomitant ascending aortic repairs or a TEVAR for traumatic indications were excluded from analysis, leaving 130 TEVAR procedures. Comorbid conditions, procedural characteristics, extent of coverage, peri-procedural management strategies, and post-operative outcomes were collected and analyzed retrospectively. RESULTS One hundred thirty patients undergoing TEVAR were examined for four perioperative variables: postoperative hemoglobin greater than 10 g/dL, subclavian revascularization, preoperative spinal drain placement, and somatosensory evoked potential monitoring (SSEP). All conditions were met in 46.2% (60/130) of procedures; 37.8% (28/74) in emergent/urgent cases and 61.5% (32/52) in elective cases. Of patients who required subclavian coverage, 87.1% (54/62) underwent subclavian revascularization; 70.8% (92/130) of patients received spinal drains preoperatively; 68.5% (89/130) of patients had SSEP monitoring; 73.8% (93/130) of patients obtained a postoperative hemoglobin of >10 g/dL. Out of all patients, two (1.5%) developed spinal cord ischemia. CONCLUSION Incidence of spinal cord ischemia in our cohort was low at 1.5% (2/130). Individual and bundled interventions for the prevention of spinal cord ischemia were unable to demonstrate a statistically significant effect given the low rate. Nonetheless, we advocate for a proactive approach for the prevention of spinal cord ischemia given our experience in this complex population.
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Affiliation(s)
| | - Matthew John Rossi
- Department of Vascular Surgery, Medstar Washington Hospital Center, Washington, DC, USA
| | - Abdullah A Alfawaz
- Department of Vascular Surgery, Medstar Washington Hospital Center, Washington, DC, USA
| | - Kyle B Reynolds
- Department of Vascular Surgery, Medstar Georgetown University Hospital, Washington, DC, USA
| | - Krystal C Maloni
- Department of Vascular Surgery, Medstar Washington Hospital Center, Washington, DC, USA
| | - Misaki M Kiguchi
- Department of Vascular Surgery, Medstar Georgetown University Hospital, Washington, DC, USA
| | - Joshua A Dearing
- Department of Vascular Surgery, Medstar Washington Hospital Center, Washington, DC, USA
| | - Steven D Abramowitz
- Department of Vascular Surgery, Medstar Washington Hospital Center, Washington, DC, USA
| | | | - Edward Y Woo
- Department of Vascular Surgery, Medstar Washington Hospital Center, Washington, DC, USA
| | - Javairiah Fatima
- Department of Vascular Surgery, Medstar Washington Hospital Center, Washington, DC, USA
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9
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Abdelbaky M, Papanikolaou D, Zafar MA, Ellauzi H, Shaikh M, Ziganshin BA, Elefteriades JA. Safety of perioperative cerebrospinal fluid drain as a protective strategy during descending and thoracoabdominal open aortic repair. JTCVS Tech 2021; 6:1-8. [PMID: 34318127 PMCID: PMC8300913 DOI: 10.1016/j.xjtc.2020.12.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 12/02/2020] [Indexed: 11/17/2022] Open
Abstract
Objective We present our experience with routine application of the cerebrospinal fluid (CSF) drain (CSFD) during open aortic repair. Methods We retrospectively reviewed 100 patients with descending thoracic aortic aneurysm (DTAA) or thoracoabdominal aortic aneurysm (TAAA) or who underwent CSFD insertion before open repair between 2006 and 2017. All CSFDs were inserted by the cardiovascular anesthesia team. The goal was to keep intracranial pressure <10 mm Hg during the surgical procedure by draining CSF at a rate of 20 to 30 mL/h. Postoperatively, CSFD was set to maintain the lumbar pressure <10 mm Hg to reduce the risk of postoperative paraplegia. CSFD was part of our standard cord protection regimen. Results The mean patient age was 65.4 ± 11.7 years, and 60 (60%) were male. A CSFD was successfully inserted in all patients. The mean hospital length of stay was 11.9 ± 11.8 days, and hospital mortality was 6%. Postoperative transient paresis was observed in 4 patients (4%), and permanent paraplegia was seen in 2 (2%). CSFD-related complications were reported in 14 patients (14%). Complications included persistent CSF leakage and blood-tinged CSF with and without intracranial hemorrhage and spinal cutaneous fistula in 7 (7%), 9 (9%), and 1 (1%), respectively. Long-term survival was excellent (68.4% at 10 years). Conclusions CSFD is a safe practice when applied routinely as an adjunct strategy to prevent paraplegia in surgical management of DTAA and TAAA. We feel that this contributed to good early and late clinical results.
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Affiliation(s)
- Mohamed Abdelbaky
- Aortic Institute at Yale-New Haven Hospital, Yale University School of Medicine, New Haven, Conn
| | - Dimitra Papanikolaou
- Aortic Institute at Yale-New Haven Hospital, Yale University School of Medicine, New Haven, Conn
| | - Mohammad A. Zafar
- Aortic Institute at Yale-New Haven Hospital, Yale University School of Medicine, New Haven, Conn
| | - Hesham Ellauzi
- Aortic Institute at Yale-New Haven Hospital, Yale University School of Medicine, New Haven, Conn
| | - Maryam Shaikh
- Aortic Institute at Yale-New Haven Hospital, Yale University School of Medicine, New Haven, Conn
| | - Bulat A. Ziganshin
- Aortic Institute at Yale-New Haven Hospital, Yale University School of Medicine, New Haven, Conn
- Department of Cardiovascular and Endovascular Surgery, Kazan State Medical University, Kazan, Russia
| | - John A. Elefteriades
- Aortic Institute at Yale-New Haven Hospital, Yale University School of Medicine, New Haven, Conn
- Address for reprints: John A. Elefteriades, MD, PhD (hon), Aortic Institute at Yale-New Haven, Yale University School of Medicine, 789 Howard Ave, Clinic Building CB 317, New Haven, CT 06519.
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10
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Tanaka A, Sandhu HK, Afifi RO, Miller CC, Ray A, Hassan M, Safi HJ, Estrera AL. Outcomes of open repairs of chronic distal aortic dissection anatomically amenable to endovascular repairs. J Thorac Cardiovasc Surg 2021; 161:36-43.e6. [PMID: 31699416 DOI: 10.1016/j.jtcvs.2019.09.083] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 09/12/2019] [Accepted: 09/15/2019] [Indexed: 01/17/2023]
Abstract
OBJECTIVE To review short-term outcomes and long-term survival and durability after open surgical repairs for chronic distal aortic dissections in patients whose anatomy was amenable to thoracic endovascular aortic repair (TEVAR). METHODS Between February 1991 and August 2017, we repaired chronic distal dissections in 697 patients. Of those patients, we enrolled 427 with anatomy amenable to TEVAR, which included 314 descending thoracic aortic aneurysms (DTAAs) and 105 extent I thoracoabdominal aortic aneurysms (TAAAs). One hundred eighty-five patients (44%) had a history of type A dissection, and 33 (7.9%) had a previous DTAA/TAAA repair. Variables were assessed with logistic regression for 30-day mortality and Cox regression for long-term mortality. Time-to-event analysis was performed using Kaplan-Meier methods. RESULTS Thirty-day mortality was 8.4% (n = 36). In all, 22 patients (5.2%) developed motor deficit (paraplegia/paraparesis), and 17 (4.0%) experienced stroke. Multivariable analysis identified low estimated glomerular filtration rate (eGFR; <60 mL/min/1.73 m2), previous DTAA/TAAA repair, and chronic obstructive pulmonary disease (COPD) as associated with 30-day mortality. Patients without all 3 risk factors had a 30-day mortality rate of 2.6%. During a median follow-up of 6.5 years, 160 patients died. The survival rate was 81% at 1 year and 61% at 10 years. Cox regression analysis identified preoperative aortic rupture, eGFR <60 mL/min/1.73 m2, previous DTAA/TAAA repair, COPD, and age >60 years as predictive of long-term mortality. Forty-five patients required subsequent aortic procedures, including 8 reinterventions to the treated segment. Freedom from any aortic procedures was 85% at 10 years, and aortic procedure-free survival was 45% at 10 years. Hereditary aortic disease was the sole predictor for any aortic interventions (hazard ratio, 3.2; P = .004). CONCLUSIONS Open surgical repair provided satisfactory low neurologic complication rates and durable repairs in chronic distal aortic dissection. Patients without low eGFR, redo, and COPD are the low-risk surgical candidates and may benefit from open surgical repair at centers with similar experience to ours. Patients with hereditary aortic disease warrant close surveillance.
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Affiliation(s)
- Akiko Tanaka
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Tex
| | - Harleen K Sandhu
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Tex
| | - Rana O Afifi
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Tex
| | - Charles C Miller
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Tex
| | - Amberly Ray
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Tex
| | - Madiha Hassan
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Tex
| | - Hazim J Safi
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Tex
| | - Anthony L Estrera
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Tex.
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11
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Tanaka A, Charlton-Ouw KM. Open thoracoabdominal aortic aneurysm repair in the endovascular era. ITALIAN JOURNAL OF VASCULAR AND ENDOVASCULAR SURGERY 2020. [DOI: 10.23736/s1824-4777.19.01428-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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12
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Haunschild J, von Aspern K, Khachatryan Z, Bianchi E, Friedheim T, Wipper S, Trepte CJ, Ossmann S, Borger MA, Etz CD. Detrimental effects of cerebrospinal fluid pressure elevation on spinal cord perfusion: first-time direct detection in a large animal model. Eur J Cardiothorac Surg 2020; 58:286-293. [DOI: 10.1093/ejcts/ezaa038] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 01/11/2020] [Accepted: 01/17/2020] [Indexed: 12/14/2022] Open
Abstract
Abstract
OBJECTIVES
Cerebrospinal fluid (CSF) drainage is routinely utilized to mitigate perioperative and postoperative spinal cord ischaemia in open and endovascular thoraco-abdominal aortic aneurysm repair to prevent permanent paraplegia. Clinical decision-making in the vulnerable perioperative period, however, is still based on limited clinical and experimental data. Our aim was to investigate the isolated effect of CSF pressure elevation on spinal cord perfusion in an established large animal model.
METHODS
Ten juvenile pigs with normal (native) arterial inflow (patent segmental arteries and collaterals) underwent iatrogenic CSF pressure elevation (×2, ×3, ×4 from their individual baseline pressure). Each pressure level was maintained for 30 min to mimic clinical response time. After the quadrupling of CSF pressure, the dural sac was slowly depressurized against gravity allowing CSF pressure to passively return to baseline values. Measurements were taken 30 and 60 min after normalization, and microspheres for regional blood flow analysis were injected at each time point.
RESULTS
Spinal cord perfusion decreased significantly at all mid-thoracic to lumbar cord segments at the doubling of CSF pressure and declined to values <53% compared to baseline when pressure was quadrupled. Normalizing CSF pressure led to an intense hyperperfusion of up to 186% at the cervical level and 151% within the lumbar region.
CONCLUSIONS
CSF pressure elevation results in a relevant impairment of spinal cord blood supply. Close perioperative and postoperative monitoring of CSF pressure is crucial for maintaining sufficient spinal cord perfusion. Radical and rapid withdrawal of CSF is followed by significant hyperperfusion in all spinal cord segments and may lead to ‘drainage-related’ iatrogenic reperfusion injury—aggravating the risk of delayed spinal cord injury—and should therefore be avoided.
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Affiliation(s)
- Josephina Haunschild
- University Department for Cardiac Surgery, Leipzig Heart Center, Leipzig, Germany
| | | | - Zara Khachatryan
- Heisenberg Working Group for Aortic Surgery, Saxonian Incubator for Clinical Translation, University of Leipzig, Leipzig, Germany
| | - Edoardo Bianchi
- University Department for Cardiac Surgery, Leipzig Heart Center, Leipzig, Germany
| | - Till Friedheim
- Department of Anesthesiology, Center of Anesthesiology and Intensive Care Medicine, Cardiovascular Research Center, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Sabine Wipper
- Department of Vascular Medicine, German Aortic Center Hamburg, University Heart Center Hamburg-Eppendorf, Hamburg, Germany
| | - Constantin J Trepte
- Department of Anesthesiology, Center of Anesthesiology and Intensive Care Medicine, Cardiovascular Research Center, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Susann Ossmann
- University Department for Cardiac Surgery, Leipzig Heart Center, Leipzig, Germany
| | - Michael A Borger
- University Department for Cardiac Surgery, Leipzig Heart Center, Leipzig, Germany
| | - Christian D Etz
- University Department for Cardiac Surgery, Leipzig Heart Center, Leipzig, Germany
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13
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Chung JC, Lodewyks CL, Forbes TL, Chu MWA, Peterson MD, Arora RC, Ouzounian M. Prevention and management of spinal cord ischemia following aortic surgery: A survey of contemporary practice. J Thorac Cardiovasc Surg 2020; 163:16-23.e7. [PMID: 32334886 DOI: 10.1016/j.jtcvs.2020.03.034] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 03/05/2020] [Accepted: 03/09/2020] [Indexed: 10/24/2022]
Abstract
OBJECTIVE Spinal cord ischemia (SCI) is a devastating complication of thoracoabdominal aortic aneurysm repair. We aim to characterize current practices pertaining to SCI prevention and treatment across Canada. METHODS Two questionnaires were developed by the Canadian Thoracic Aortic Collaborative and the Canadian Cardiovascular Critical Care Society targeting aortic surgeons and intensivists. A list of experts in the management of patients at risk of SCI was developed, with representation from each of the Canadian centers that perform complex aortic surgery. RESULTS The response rate was 91% for both intensivists (21/23), and from cardiac and vascular surgeons (39/43). Most surgeons agreed that staging is important during endovascular repair of extent II thoracoabdominal aortic aneurysm (60%) but not for open repair (34%). All of the surgeons felt prophylactic lumbar drains were effective in reducing SCI, whereas only 66.7% of intensivists felt that lumbar drains were effective (P < .001). There was consensus among surgeons over when to employ lumbar drains. A majority of surgeons preferred to keep the hemoglobin over 100 g/L if the patient demonstrated loss of lower-extremity function, whereas most intensivists felt a target of 80 g/L was adequate (P < .001). Management of perioperative antihypertensives, use of intraoperative adjuncts, and management of venous thromboembolism prophylaxis in the presence of a lumbar drain, were highly variable. CONCLUSIONS We observed some consensus but considerable variability in the approach to SCI prevention and management across Canada. Future studies focused on the areas of variability may lead to more consistent and improved care for this high-risk population.
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Affiliation(s)
- Jennifer C Chung
- Division of Cardiovascular Surgery, Peter Munk Cardiac Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Carly L Lodewyks
- Section of Cardiac Surgery, St Boniface General Hospital, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Thomas L Forbes
- Division of Vascular Surgery, Peter Munk Cardiac Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Michael W A Chu
- Division of Cardiac Surgery, London Health Sciences Centre, Western University, London, Ontario, Canada
| | - Mark D Peterson
- Division of Cardiovascular Surgery, St Michael's Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Rakesh C Arora
- Section of Cardiac Surgery, St Boniface General Hospital, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Maral Ouzounian
- Division of Cardiovascular Surgery, Peter Munk Cardiac Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada.
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14
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Harky A, Fok M, Fraser H, Howard C, Rimmer L, Bashir M. Could Cerebrospinal Fluid Biomarkers Offer Better Predictive Value for Spinal Cord Ischaemia Than Current Neuromonitoring Techniques During Thoracoabdominal Aortic Aneurysm Repair - A Systematic Review. Braz J Cardiovasc Surg 2019; 34:464-471. [PMID: 31454201 PMCID: PMC6713370 DOI: 10.21470/1678-9741-2018-0375] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Objective Cerebrospinal fluid (CSF) drainage is a technique that has significantly
reduced the incidence of spinal cord ischaemia (SCI). We present results of
a systematic review to assess the literature on this topic in relation to
thoracoabdominal aortic aneurysm repair (TAAR). Methods Major medical databases were searched to identify papers related to CSF
biomarkers measured during TAAAR. Results Fifteen papers reported measurements of CSF biomarkers with 265 patients in
total. CSF biomarkers measured included S-100ß, neuron-specific
endolase (NSE), lactate, glial fibrillary acidic protein A (GFPa), Tau, heat
shock protein 70 and 27 (HSP70, HSP27), and proinflammatory cytokines.
Lactate and S-100ß were reported the most, but did not correlate with
SCI, which was also the case with NSE and TAU. GFPa showed significant CSF
level rises, both intra and postoperative in patients who suffered SCI and
warrants further investigation, similar results were seen with HSP70, HSP27
and IL-8. Conclusions Although there is significant interest in this topic, there still remains a
significant lack of high-quality studies investigating CSF biomarkers during
TAAR to detect SCI. A large and multicentre study is required to identify
the significant role of each biomarker.
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Affiliation(s)
- Amer Harky
- Liverpool Heart and Chest Hospital Department of Cardiothoracic Surgery Liverpool UK Department of Cardiothoracic Surgery, Liverpool Heart and Chest Hospital, Liverpool, UK
| | - Matthew Fok
- Royal Liverpool Hospital Department of Vascular Surgery Liverpool UK Department of Vascular Surgery, Royal Liverpool Hospital, Liverpool, UK
| | - Holly Fraser
- University of Liverpool School of Medicine Liverpool UK School of Medicine, University of Liverpool, Liverpool, UK
| | - Callum Howard
- University of Manchester Faculty of Biology, Medicine and Health Manchester UK Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Lara Rimmer
- University of Liverpool School of Medicine Liverpool UK School of Medicine, University of Liverpool, Liverpool, UK
| | - Mohamad Bashir
- Manchester Royal Infirmary Department of Aortovascular Surgery Manchester UK Department of Aortovascular Surgery, Manchester Royal Infirmary, Manchester, UK
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15
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D'Oria M, Calvagna C, Chiarandini S, Ziani B. Hypogastric Artery Occlusion with Evoked Potentials Monitoring as Bailout Technique to Assess the Risk of Postoperative Spinal Cord Ischemia. AORTA : OFFICIAL JOURNAL OF THE AORTIC INSTITUTE AT YALE-NEW HAVEN HOSPITAL 2019; 7:22-26. [PMID: 31330549 PMCID: PMC6645906 DOI: 10.1055/s-0039-1687866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
A 65-year-old man, with previous open surgical repair of an infrarenal abdominal aortic, presented with acute complicated (paraplegia) Type B aortic dissection. He successfully underwent endovascular repair of the descending thoracic and abdominal aorta. Following the procedure, the neurological manifestations resolved. As he had a concomitant aneurysm of the right hypogastric artery (HGA), we executed a 10-minute balloon occlusion of this artery with evoked potential measurements to assess the risk of spinal cord ischemia after exclusion of the right HGA. The examination was interpreted as negative, and we proceeded with coil embolization of the right HGA and subsequent placement of an endograft landing distally within the external iliac artery. The postoperative course was totally uneventful, and the patient was discharged home 4 days after the operation. Computed tomography angiography follow-up at 1, 6, 12 and 24 months showed patency of all endografts without any signs of endoleak and effective remodeling of the descending thoracic aorta with volume reduction of the false lumen.
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Affiliation(s)
- Mario D'Oria
- Vascular and Endovascular Surgery Unit, Cardiovascular Department, University Hospital of Cattinara ASUITS, Trieste (TS), Italy
| | - Cristiano Calvagna
- Vascular and Endovascular Surgery Unit, Cardiovascular Department, University Hospital of Cattinara ASUITS, Trieste (TS), Italy
| | - Stefano Chiarandini
- Vascular and Endovascular Surgery Unit, Cardiovascular Department, University Hospital of Cattinara ASUITS, Trieste (TS), Italy
| | - Barbara Ziani
- Vascular and Endovascular Surgery Unit, Cardiovascular Department, University Hospital of Cattinara ASUITS, Trieste (TS), Italy
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16
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Nakamura E, Nakamura K, Furukawa K, Ishii H, Shirasaki Y, Ichiki N, Higuchi K, Sakurahara D, Hamahiro T. Left Subclavian Artery Revascularization for Delayed Paralysis after Thoracic Endovascular Aortic Repair. Ann Vasc Dis 2019; 12:233-235. [PMID: 31275481 PMCID: PMC6600088 DOI: 10.3400/avd.cr.18-00158] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Spinal cord ischemia (SCI) is a devastating complication following thoracic endovascular aortic repair (TEVAR). A man with a ruptured thoracic aortic aneurysm (TAA) was transferred to our hospital. Emergency TEVAR, with left subclavian artery (LSA) coverage, was performed for the ruptured TAA. On postoperative day two, the patient had incomplete paralysis in his legs, presumably caused by SCI. We performed LSA revascularization (LSAR) to provide blood supply to the spinal cord; his paralysis improved and almost resolved after surgery. To our knowledge, this is the first report on LSAR's efficacy for delayed paraplegia due to SCI.
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Affiliation(s)
- Eisaku Nakamura
- Division of Cardiovascular Surgery, Department of Surgery, University of Miyazaki, Miyazaki, Miyazaki, Japan
| | - Kunihide Nakamura
- Division of Cardiovascular Surgery, Department of Surgery, University of Miyazaki, Miyazaki, Miyazaki, Japan
| | - Koji Furukawa
- Division of Cardiovascular Surgery, Department of Surgery, University of Miyazaki, Miyazaki, Miyazaki, Japan
| | - Hirohito Ishii
- Division of Cardiovascular Surgery, Department of Surgery, University of Miyazaki, Miyazaki, Miyazaki, Japan
| | - Yukie Shirasaki
- Division of Cardiovascular Surgery, Department of Surgery, University of Miyazaki, Miyazaki, Miyazaki, Japan
| | - Nobuhiko Ichiki
- Division of Cardiovascular Surgery, Department of Surgery, University of Miyazaki, Miyazaki, Miyazaki, Japan
| | - Kazuhiro Higuchi
- Division of Cardiovascular Surgery, Department of Surgery, University of Miyazaki, Miyazaki, Miyazaki, Japan
| | - Daichi Sakurahara
- Division of Cardiovascular Surgery, Department of Surgery, University of Miyazaki, Miyazaki, Miyazaki, Japan
| | - Tomoka Hamahiro
- Division of Cardiovascular Surgery, Department of Surgery, University of Miyazaki, Miyazaki, Miyazaki, Japan
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17
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Agarwal S, Kendall J, Quarterman C. Perioperative management of thoracic and thoracoabdominal aneurysms. BJA Educ 2019; 19:119-125. [PMID: 33456880 DOI: 10.1016/j.bjae.2019.01.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/06/2018] [Indexed: 11/24/2022] Open
Affiliation(s)
- S Agarwal
- Manchester University Hospitals NHS Foundation Trust, Manchester, UK
| | - J Kendall
- Liverpool Heart and Chest NHS Foundation Trust, Liverpool, UK
| | - C Quarterman
- Liverpool Heart and Chest NHS Foundation Trust, Liverpool, UK
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18
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Yoshitani K, Masui K, Kawaguchi M, Kawamata M, Kakinohana M, Kato S, Hasuwa K, Yamakage M, Yoshikawa Y, Nishiwaki K, Aoyama T, Inagaki Y, Yamasaki K, Matsumoto M, Ishida K, Yamashita A, Seo K, Kakumoto S, Hayashi H, Tanaka Y, Tanaka S, Ishida T, Uchino H, Kakinuma T, Yamada Y, Mori Y, Izumi S, Nishimura K, Nakai M, Ohnishi Y. Clinical Utility of Intraoperative Motor-Evoked Potential Monitoring to Prevent Postoperative Spinal Cord Injury in Thoracic and Thoracoabdominal Aneurysm Repair: An Audit of the Japanese Association of Spinal Cord Protection in Aortic Surgery Database. Anesth Analg 2018; 126:763-768. [PMID: 29283918 DOI: 10.1213/ane.0000000000002749] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Spinal cord ischemic injury is the most devastating sequela of descending and thoracoabdominal aortic surgery. Motor-evoked potentials (MEPs) have been used to intraoperatively assess motor tract function, but it remains unclear whether MEP monitoring can decrease the incidence of postoperative motor deficits. Therefore, we reviewed multicenter medical records of patients who had undergone descending and thoracoabdominal aortic repair (both open surgery and endovascular repair) to assess the association of MEP monitoring with postoperative motor deficits. METHODS Patients included in the study underwent descending or thoracoabdominal aortic repair at 12 hospitals belonging to the Japanese Association of Spinal Cord Protection in Aortic Surgery between 2000 and 2013. Using multivariable mixed-effects logistic regression analysis, we investigated whether intraoperative MEP monitoring was associated with postoperative motor deficits at discharge after open and endovascular aortic repair. RESULTS We reviewed data from 1214 patients (open surgery, 601 [49.5%]; endovascular repair, 613 [50.5%]). MEP monitoring was performed in 631 patients and not performed in the remaining 583 patients. Postoperative motor deficits were observed in 75 (6.2%) patients at discharge. Multivariable logistic regression analysis revealed that postoperative motor deficits at discharge did not have a significant association with MEP monitoring (adjusted odds ratio [OR], 1.13; 95% confidence interval [CI], 0.69-1.88; P = .624), but with other factors: history of neural deficits (adjusted OR, 6.08; 95% CI, 3.10-11.91; P < .001), spinal drainage (adjusted OR, 2.14; 95% CI, 1.32-3.47; P = .002), and endovascular procedure (adjusted OR, 0.45; 95% CI, 0.27-0.76; P = .003). The sensitivity and specificity of MEP <25% of control value for motor deficits at discharge were 37.8% (95% CI, 26.5%-49.5%) and 95.5% (95% CI, 94.7%-96.4%), respectively. CONCLUSIONS MEP monitoring was not significantly associated with motor deficits at discharge.
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Affiliation(s)
- Kenji Yoshitani
- From the Department of Anesthesiology, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Kenichi Masui
- Department of Anesthesiology, National Defense Medical College, Tokorozawa, Japan.,Department of Anesthesiology, Showa University School of Medicine, Tokyo, Japan
| | | | - Mikito Kawamata
- Department of Anesthesiology and Resuscitology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Manabu Kakinohana
- Department of Anesthesiology, University of Ryukyu, Faculty of Medicine, Nishihara, Japan
| | - Shinya Kato
- From the Department of Anesthesiology, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Kyoko Hasuwa
- From the Department of Anesthesiology, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Michiaki Yamakage
- Department of Anesthesiology, Sapporo Medical University, School of Medicine, Sapporo, Japan
| | - Yusuke Yoshikawa
- Department of Anesthesiology, Sapporo Medical University, School of Medicine, Sapporo, Japan
| | - Kimitoshi Nishiwaki
- Department of Anesthesiology, Nagoya University Graduate School of Medicine, Chikusa-ku, Nagoya
| | - Tadashi Aoyama
- Department of Anesthesiology, Nagoya University Graduate School of Medicine, Chikusa-ku, Nagoya
| | - Yoshimi Inagaki
- Department of Anesthesiology and Critical Care and Medicine, Tottori University, Faculty of Medicine, Tottori, Japan
| | - Kazumasa Yamasaki
- Department of Anesthesiology and Critical Care and Medicine, Tottori University, Faculty of Medicine, Tottori, Japan
| | - Mishiya Matsumoto
- Department of Anesthesiology, Yamaguchi University, Graduate School of Medicine, Ube, Japan
| | - Kazuyoshi Ishida
- Department of Anesthesiology, Yamaguchi University, Graduate School of Medicine, Ube, Japan
| | - Atsuo Yamashita
- Department of Anesthesiology, Yamaguchi University, Graduate School of Medicine, Ube, Japan
| | - Katsuhiro Seo
- Department of Anesthesiology and Intensive Care Medicine, Kokura Memorial Hospital, Kitakyushu, Japan
| | - Shinichi Kakumoto
- Department of Anesthesiology and Intensive Care Medicine, Kokura Memorial Hospital, Kitakyushu, Japan
| | - Hironobu Hayashi
- Department of Anesthesiology, Nara Medical University, Kashihara, Japan
| | - Yuu Tanaka
- Department of Anesthesiology, Nara Medical University, Kashihara, Japan
| | - Satoshi Tanaka
- Department of Anesthesiology and Resuscitology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Takashi Ishida
- Department of Anesthesiology and Resuscitology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Hiroyuki Uchino
- Department of Anesthesiology, Tokyo Medical University, Tokyo, Japan
| | - Takayasu Kakinuma
- Department of Anesthesiology, Tokyo Medical University, Tokyo, Japan
| | - Yoshitsugu Yamada
- Department of Anesthesiology, Faculty of Vital Care Medicine, The Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yoshiteru Mori
- Department of Anesthesiology, Faculty of Vital Care Medicine, The Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Shunsuke Izumi
- Department of Anesthesiology, University of Ryukyu, Faculty of Medicine, Nishihara, Japan
| | - Kunihiro Nishimura
- Department of Statistics and Data Analysis, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Michikazu Nakai
- Department of Statistics and Data Analysis, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Yoshihiko Ohnishi
- From the Department of Anesthesiology, National Cerebral and Cardiovascular Center, Suita, Japan
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Rong L, Kamel M, Rahouma M, White R, Lichtman A, Pryor K, Girardi L, Gaudino M. Cerebrospinal-fluid drain-related complications in patients undergoing open and endovascular repairs of thoracic and thoraco-abdominal aortic pathologies: a systematic review and meta-analysis. Br J Anaesth 2018; 120:904-913. [DOI: 10.1016/j.bja.2017.12.045] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 12/06/2017] [Accepted: 01/29/2018] [Indexed: 01/16/2023] Open
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Intercostal artery management in thoracoabdominal aortic surgery: To reattach or not to reattach? J Thorac Cardiovasc Surg 2018; 155:1372-1378.e1. [DOI: 10.1016/j.jtcvs.2017.11.072] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 11/10/2017] [Accepted: 11/17/2017] [Indexed: 11/18/2022]
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Chung J, Ouzounian M, Lindsay T. Motor Evoked Potential Monitoring During Thoracoabdominal Aortic Surgery. Anesth Analg 2018; 126:741-742. [DOI: 10.1213/ane.0000000000002790] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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23
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Tanaka A, Sandhu HK, Pratt WB, Afifi R, Miller CC, Charlton-Ouw K, Codreanu ME, Saqib NU, Azizzadeh A, Safi HJ, Estrera AL. Risk Modeling to Optimize Patient Selection for Management of the Descending Thoracic Aortic Aneurysm. Ann Thorac Surg 2017; 105:724-730. [PMID: 29275829 DOI: 10.1016/j.athoracsur.2017.09.034] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Revised: 09/04/2017] [Accepted: 09/18/2017] [Indexed: 10/18/2022]
Abstract
BACKGROUND A single-institutional study comparing early and long-term outcomes of thoracic endovascular aortic repair (TEVAR) and open surgical repair (OSR) was performed to determine the appropriate treatment option for descending thoracic aortic aneurysm (DTAA). METHODS Between 2005 and 2014, 438 DTAA patients were treated (TEVAR, 88; OSR, 350). Acute dissection and traumatic injury were excluded. Perioperative and follow-up data were reviewed. Stratified analyses were conducted to identify patients most likely to benefit from TEVAR. A propensity score for TEVAR was developed by logistic regression, and predictive logistic and Cox regression models for death were adjusted for propensity score. RESULTS TEVAR patients were frequently older women with emergent status, chronic obstructive pulmonary disease, or coronary artery disease. TEVAR had similar immediate (0% vs 1%; p = 0.588) and delayed (5% vs 6%, p = 1.000) motor deficits and early mortality (6% vs 12%, p = 0.121) but lower dialysis (3% vs 18%, p < 0.001), respiratory failure (10% vs 34%, p < 0.001), and intensive care unit stay (2.0 vs 5.0 days, p < 0.001). Early mortality after TEVAR was lower in septuagenarians (3% vs 16%, p < 0.02), glomerular filtration rate of less than 60 mL/min (8% vs 32%, p < 0.049), chronic obstructive pulmonary disease (6% vs 21%, p < 0.02), defined as target population that had fourfold mortality reduction (p < 0.006) attributable to TEVAR. Propensity-adjusted predictors of early mortality predictors included OSR (odds ratio [OR], 4.3; p < 0.024), target population (OR, 7.7; p < 0.001), diabetes (OR, 3; p < 0.009), peripheral vascular disease (OR, 4.7; p < 0.001), and emergent status (OR, 4.6; p < 0.001). Propensity-adjusted determinants of survival were age, glomerular filtration rate of less than 60 mL/min, peripheral vascular disease, chronic obstructive pulmonary disease, and emergent status. CONCLUSIONS In older patients with significant comorbidities, TEVAR demonstrated superior results compared with OSR and may be preferable in this target population.
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Affiliation(s)
- Akiko Tanaka
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Texas
| | - Harleen K Sandhu
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Texas
| | - Wande B Pratt
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Texas
| | - Rana Afifi
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Texas
| | - Charles C Miller
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Texas
| | - Kristofer Charlton-Ouw
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Texas
| | - Maria E Codreanu
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Texas
| | - Naveed U Saqib
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Texas
| | - Ali Azizzadeh
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Texas
| | - Hazim J Safi
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Texas
| | - Anthony L Estrera
- Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston and Memorial Hermann Hospital, Houston, Texas.
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24
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Redo Thoracoabdominal Aortic Aneurysm Repair: A Single-Center Experience Over 25 Years. Ann Thorac Surg 2017; 103:1421-1428. [DOI: 10.1016/j.athoracsur.2016.09.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 08/01/2016] [Accepted: 09/06/2016] [Indexed: 11/18/2022]
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Sandhu HK, Evans JD, Tanaka A, Atay S, Afifi RO, Charlton-Ouw KM, Azizzadeh A, Miller CC, Safi HJ, Estrera AL. Fluctuations in Spinal Cord Perfusion Pressure: A Harbinger of Delayed Paraplegia After Thoracoabdominal Aortic Repair. Semin Thorac Cardiovasc Surg 2017; 29:451-459. [DOI: 10.1053/j.semtcvs.2017.05.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2017] [Indexed: 11/11/2022]
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Systematic review of motor evoked potentials monitoring during thoracic and thoracoabdominal aortic aneurysm open repair surgery: a diagnostic meta-analysis. J Anesth 2016; 30:1037-1050. [DOI: 10.1007/s00540-016-2242-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Accepted: 08/15/2016] [Indexed: 10/21/2022]
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Kang SK, Kang MW, Rhee YJ, Kim CS, Jeon BH, Han SJ, Cho HJ, Na MH, Yu JH. In Vivo Neuroprotective Effect of Histidine-Tryptophan-Ketoglutarate Solution in an Ischemia/Reperfusion Spinal Cord Injury Animal Model. THE KOREAN JOURNAL OF THORACIC AND CARDIOVASCULAR SURGERY 2016; 49:232-41. [PMID: 27525231 PMCID: PMC4981224 DOI: 10.5090/kjtcs.2016.49.4.232] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Revised: 11/29/2015] [Accepted: 12/01/2015] [Indexed: 11/25/2022]
Abstract
Background Paraplegia is a devastating complication following operations on the thoracoabdominal aorta. We investigated whether histidine-tryptophan-ketoglutarate (HTK) solution could reduce the extent of ischemia/reperfusion (IR) spinal cord injuries in a rat model using a direct delivery method. Methods Twenty-four Sprague-Dawley male rats were randomly divided into four groups. The sham group (n=6) underwent a sham operation, the IR group (n=6) underwent only an aortic occlusion, the saline infusion group (saline group, n=6) underwent an aortic occlusion and direct infusion of cold saline into the occluded aortic segment, and the HTK infusion group (HTK group, n=6) underwent an aortic occlusion and direct infusion of cold HTK solution into the occluded aortic segment. An IR spinal cord injury was induced by transabdominal clamping of the aorta distally to the left renal artery and proximally to the aortic bifurcation for 60 minutes. A neurological evaluation of locomotor function was performed using the modified Tarlov score after 48 hours of reperfusion. The spinal cord was harvested for histopathological and immunohistochemical examinations. Results The spinal cord IR model using direct drug delivery in rats was highly reproducible. The Tarlov score was 4.0 in the sham group, 1.17±0.75 in the IR group, 1.33±1.03 in the saline group, and 2.67±0.81 in the HTK group (p=0.04). The histopathological analysis of the HTK group showed reduced neuronal cell death. Conclusion Direct infusion of cold HTK solution into the occluded aortic segment may reduce the extent of spinal cord injuries in an IR model in rats.
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Affiliation(s)
- Shin Kwang Kang
- Department of Thoracic and Cardiovascular Surgery, Chungnam National University Hospital, Chungnam National University School of Medicine
| | - Min-Woong Kang
- Department of Thoracic and Cardiovascular Surgery, Chungnam National University Hospital, Chungnam National University School of Medicine
| | - Youn Ju Rhee
- Department of Thoracic and Cardiovascular Surgery, Chungnam National University Hospital, Chungnam National University School of Medicine
| | - Cuk-Seong Kim
- Department of Physiology, Chungnam National University School of Medicine
| | - Byeong Hwa Jeon
- Department of Physiology, Chungnam National University School of Medicine
| | - Sung Joon Han
- Department of Thoracic and Cardiovascular Surgery, Chungnam National University Hospital, Chungnam National University School of Medicine
| | - Hyun Jin Cho
- Department of Thoracic and Cardiovascular Surgery, Chungnam National University Hospital, Chungnam National University School of Medicine
| | - Myung Hoon Na
- Department of Thoracic and Cardiovascular Surgery, Chungnam National University Hospital, Chungnam National University School of Medicine
| | - Jae-Hyeon Yu
- Department of Thoracic and Cardiovascular Surgery, Chungnam National University Hospital, Chungnam National University School of Medicine
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Nardone R, Pikija S, Mutzenbach JS, Seidl M, Leis S, Trinka E, Sellner J. Current and emerging treatment options for spinal cord ischemia. Drug Discov Today 2016; 21:1632-1641. [PMID: 27326910 DOI: 10.1016/j.drudis.2016.06.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2015] [Revised: 05/21/2016] [Accepted: 06/14/2016] [Indexed: 11/19/2022]
Abstract
Spinal cord infarction (SCI) is a rare but disabling disorder caused by a wide spectrum of conditions. Given the lack of randomized-controlled trials, contemporary treatment concepts are adapted from guidelines for cerebral ischemia, atherosclerotic vascular disease, and acute traumatic spinal cord injury. In addition, patients with SCI are at risk for several potentially life-threatening but preventable systemic and neurologic complications. Notably, there is emerging evidence from preclinical studies for the use of neuroprotection in acute ischemic injury of the spinal cord. In this review, we discuss the current state of the art for the therapy and prevention of SCI and highlight potential emerging treatment concepts awaiting translational adoption.
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Affiliation(s)
- Raffaele Nardone
- Department of Neurology, Christian Doppler Medical Center, Paracelsus Medical University, Salzburg, Austria; Spinal Cord Injury and Tissue Regeneration Center, Paracelsus Medical University, Salzburg, Austria; Department of Neurology, Franz Tappeiner Hospital, Merano, Italy
| | - Slaven Pikija
- Department of Neurology, Christian Doppler Medical Center, Paracelsus Medical University, Salzburg, Austria
| | - J Sebastian Mutzenbach
- Department of Neurology, Christian Doppler Medical Center, Paracelsus Medical University, Salzburg, Austria
| | - Martin Seidl
- Department of Neurology, Christian Doppler Medical Center, Paracelsus Medical University, Salzburg, Austria
| | - Stefan Leis
- Department of Neurology, Christian Doppler Medical Center, Paracelsus Medical University, Salzburg, Austria
| | - Eugen Trinka
- Department of Neurology, Christian Doppler Medical Center, Paracelsus Medical University, Salzburg, Austria; Spinal Cord Injury and Tissue Regeneration Center, Paracelsus Medical University, Salzburg, Austria
| | - Johann Sellner
- Department of Neurology, Christian Doppler Medical Center, Paracelsus Medical University, Salzburg, Austria; Department of Neurology, Klinikum rechts der Isar, Technische Universität München, Germany.
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So V, Poon C. Intraoperative neuromonitoring in major vascular surgery. Br J Anaesth 2016; 117 Suppl 2:ii13-ii25. [DOI: 10.1093/bja/aew218] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/04/2016] [Indexed: 11/14/2022] Open
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Estrera AL. The artery of Adamkiewicz: More interesting than practical? J Thorac Cardiovasc Surg 2015; 151:129-30. [PMID: 26364061 DOI: 10.1016/j.jtcvs.2015.08.028] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2015] [Revised: 08/08/2015] [Accepted: 08/10/2015] [Indexed: 11/29/2022]
Affiliation(s)
- Anthony L Estrera
- Department of Cardiothoracic and Vascular Surgery, The University of Texas Medical School at Houston, Memorial Hermann Heart and Vascular Institute, Houston, Tex.
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Fok M, Jafarzadeh F, Sancho E, Abello D, Rimmer L, Howard C, Kennedy T, Hammoud I, Bashir M. Is There Any Benefit of Neuromonitoring during Descending and Thoracoabdominal Aortic Aneurysm Repair? INNOVATIONS-TECHNOLOGY AND TECHNIQUES IN CARDIOTHORACIC AND VASCULAR SURGERY 2015. [DOI: 10.1177/155698451501000509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Matthew Fok
- School of Built Environment, Liverpool John Moores University, Liverpool, UK
- Thoracic Aortic Aneurysm Service, Liverpool Heart and Chest Hospital, Liverpool, UK
| | - Fatemeh Jafarzadeh
- Thoracic Aortic Aneurysm Service, Liverpool Heart and Chest Hospital, Liverpool, UK
| | - Elena Sancho
- Thoracic Aortic Aneurysm Service, Liverpool Heart and Chest Hospital, Liverpool, UK
| | - David Abello
- Thoracic Aortic Aneurysm Service, Liverpool Heart and Chest Hospital, Liverpool, UK
| | - Lara Rimmer
- Thoracic Aortic Aneurysm Service, Liverpool Heart and Chest Hospital, Liverpool, UK
| | - Callum Howard
- Thoracic Aortic Aneurysm Service, Liverpool Heart and Chest Hospital, Liverpool, UK
| | - Tom Kennedy
- Thoracic Aortic Aneurysm Service, Liverpool Heart and Chest Hospital, Liverpool, UK
| | - Ibrahim Hammoud
- Thoracic Aortic Aneurysm Service, Liverpool Heart and Chest Hospital, Liverpool, UK
| | - Mohamad Bashir
- Thoracic Aortic Aneurysm Service, Liverpool Heart and Chest Hospital, Liverpool, UK
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Is There Any Benefit of Neuromonitoring during Descending and Thoracoabdominal Aortic Aneurysm Repair? INNOVATIONS-TECHNOLOGY AND TECHNIQUES IN CARDIOTHORACIC AND VASCULAR SURGERY 2015; 10:342-8. [DOI: 10.1097/imi.0000000000000187] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Objective Paraplegia remains the most feared and a devastating complication after descending and thoracoabdominal aneurysm operative repair (DTA and TAAAR). Neuromonitoring, particularly use of motor-evoked potentials (MEPs), for this surgery has gained popularity. However, ambiguity remains regarding its use and benefit. We systematically reviewed the literature to assess the benefit and applicability of neuromonitoring in DTA and TAAAR. Methods Electronic searches were performed on 4 major databases from inception until February 2014 to identify relevant studies. Eligibility decisions, method quality, data extraction, and analysis were performed according to predefined clinical criteria and end points. Results Among the studies matching our inclusion criteria, 1297 patients had MEP monitoring during DTA and TAAAR. In-hospital mortality was low (6.9% ± 3.6). Immediate neurological deficit was low (3.5% ± 2.6). In one third of patients (30.4% ± 14.2), the MEPs dropped below threshold, which were 30.4% and 29.4% with threshold levels of 75% and 50%, respectively. A range of surgical techniques were applied after reduction in MEPs. Most patients whose MEPs dropped and remained below threshold had immediate permanent neurological deficit (92.0% ± 23.6). Somatosensory-evoked potentials were reported in one third of papers with little association between loss of somatosensory-evoked potentials and permanent neurological deficit (16.7% ± 28.9%). Conclusions We demonstrate that MEPs are useful at predicting paraplegia in patients who lose their MEPs and do not regain them intraoperatively. To date, there is no consensus regarding the applicability and use of MEPs. Current evidence does not mandate or support MEP use.
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Estrera AL, Sandhu HK, Afifi RO, Nguyen TC, Charlton-Ouw KM, Azizzadeh A, Miller CC, Safi HJ. Early and Late Outcomes After Complete Aortic Replacement. Ann Thorac Surg 2015; 100:528-34. [DOI: 10.1016/j.athoracsur.2015.02.091] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Revised: 02/16/2015] [Accepted: 02/19/2015] [Indexed: 11/25/2022]
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Estrera AL, Jan A, Sandhu H, Shalhub S, Medina-Castro M, Nguyen TC, Azizzadeh A, Charlton-Ouw K, Miller CC, Safi HJ. Outcomes of Open Repair for Chronic Descending Thoracic Aortic Dissection. Ann Thorac Surg 2015; 99:786-93; discussion 794. [DOI: 10.1016/j.athoracsur.2014.08.077] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Revised: 07/23/2014] [Accepted: 08/15/2014] [Indexed: 11/30/2022]
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A novel microwave sensor to detect specific biomarkers in human cerebrospinal fluid and their relationship to cellular ischemia during thoracoabdominal aortic aneurysm repair. J Med Syst 2015; 39:208. [PMID: 25686914 DOI: 10.1007/s10916-015-0208-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Accepted: 11/25/2014] [Indexed: 10/24/2022]
Abstract
Thoraco-abdominal aneurysms (TAAA) represents a particularly lethal vascular disease that without surgical repair carries a dismal prognosis. However, there is an inherent risk from surgical repair of spinal cord ischaemia that can result in paraplegia. One method of reducing this risk is cerebrospinal fluid (CSF) drainage. We believe that the CSF contains clinically significant biomarkers that can indicate impending spinal cord ischaemia. This work therefore presents a novel measurement method for proteins, namely albumin, as a precursor to further work in this area. The work uses an interdigitated electrode (IDE) sensor and shows that it is capable of detecting various concentrations of albumin (from 0 to 100 g/L) with a high degree of repeatability at 200 MHz (R(2) = 0.991) and 4 GHz (R(2) = 0.975).
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Panthee N, Ono M. Spinal cord injury following thoracic and thoracoabdominal aortic repairs. Asian Cardiovasc Thorac Ann 2015; 23:235-246. [DOI: 10.1177/0218492314548901] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Abstract
Objective To discuss the currently available approaches to prevent spinal cord injury during thoracic and thoracoabdominal aortic repairs. Methods We carried out a PubMed search up to 2013 using the Medical Subject Headings: “aortic aneurysm/surgery” and “spinal cord ischemia”; “aortic aneurysm, thoracic/surgery” and “spinal cord ischemia”; “aneurysm/surgery” and “spinal cord ischemia/cerebrospinal fluid”; “aortic aneurysm/surgery” and “paraplegia”. All 190 original articles satisfying our inclusion criteria were analyzed for incidence, predictors, and other pertinent variables related to spinal cord injury, and we compared the results in recent publications with those in earlier reports. Results The mean age of the 38,491 patients was 65.3 ± 4.9 years. The overall incidence of paraplegia and/or paraparesis was 7.1% ± 6.1% (range 0%–32%). The incidence of spinal cord injury before 2000, from 2001 to 2007, and 2008–2013 was 9.0% ± 6.7%, 7.0% ± 6.1%, and 5.9% ± 5.2%, respectively ( p = 0.019). Various predictors of spinal cord injury were identified, extent of disease being the most common. Modification of surgical techniques, use of adjuncts, and better understanding of spinal cord perfusion physiology were attributed to the decrease in postoperative spinal cord injury in recent years. Conclusions Spinal cord injury after thoracic and thoracoabdominal aortic repair poses a real challenge to cardiovascular surgeons. However, with evolving surgical strategies, identification of predictors, and use of various adjuncts over the years, the incidence of spinal cord injury after thoracic/thoracoabdominal aortic repair has declined. Embracing a multimodality approach offers a good insight into combating this grave complication.
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Affiliation(s)
- Nirmal Panthee
- Department of Cardiac Surgery, University of Tokyo, Tokyo, Japan
| | - Minoru Ono
- Department of Cardiac Surgery, University of Tokyo, Tokyo, Japan
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Griepp RB, Griepp EB. Spinal cord protection in surgical and endovascular repair of thoracoabdominal aortic disease. J Thorac Cardiovasc Surg 2015; 149:S86-90. [DOI: 10.1016/j.jtcvs.2014.10.056] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2014] [Revised: 09/29/2014] [Accepted: 10/06/2014] [Indexed: 11/16/2022]
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Abstract
Thoracoabdominal aneurysm of the aorta (TAAA) is a morbid condition, the treatment of which can be associated with high mortality and complication rates, as well as prolonged length of hospital stay. Currently, three approaches to treatment of TAAAs exist: open, endovascular and hybrid repair. Over the past three decades, a significant decrease in postoperative mortality and paraplegia rates has been achieved due to effective application of such treatment adjuncts as left heart bypass, cerebrospinal fluid drainage, application of hypothermia and neuromonitoring, thereby making surgical treatment of TAAAs increasingly safer for the patient. In this report, we review indications and current approaches to surgical management of TAAAs, as well as the factors that influence the efficacy of this type of treatment.
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Estrera AL, Sandhu H, Afifi RO, Azizzadeh A, Charlton-Ouw K, Miller CC, Safi HJ. Open repair of chronic complicated type B aortic dissection using the open distal technique. Ann Cardiothorac Surg 2014; 3:375-84. [PMID: 25133100 DOI: 10.3978/j.issn.2225-319x.2014.07.07] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2014] [Accepted: 07/12/2014] [Indexed: 11/14/2022]
Abstract
AIM The present study aimed to analyze early and late outcomes after open repair of chronic type B aortic dissection. METHODS We retrospectively reviewed our cases of open descending thoracic aortic aneurysm (DTAA) with chronic dissection from 1991-2013. Long-term survival and aortic reinterventions were analyzed and patient comorbidities were evaluated in order to determine the risk of adverse outcomes. Furthermore, the technique for "distal first approach" is described. RESULTS Between 1991 and 2013, 240 (40%) descending thoracic aortic repairs with associated chronic dissection were performed. Mean age is 59 years and 178 (74%) are men. The majority of patients (218, 91%) underwent repair using the adjunct of distal aortic perfusion with cerebral spinal fluid drainage. Early mortality was 8.3% (20/240). Permanent neurologic deficit occurred in 1.3% (3/240). Stroke occurred in 2.9% (7/240), and dialysis on discharge in 6% (12/240). 5-, 10-, 15-, and 20-year survival was 72%, 60%, 45%, and 39%, respectively. Freedom from reoperation on the operated segment was 97%, 94%, 94% and 94% at 5, 10, 15 and 20 years. CONCLUSIONS Open repairs of chronic descending thoracic dissections can be performed with respectable morbidity and mortality. Risk of neurologic deficit remains low with use of adjuncts, and risk of reintervention on the involved aortic segment is also low. These results allow comparison with endovascular repair for chronic aortic dissection.
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Affiliation(s)
- Anthony L Estrera
- Department of Cardiothoracic and Vascular Surgery, Clinical Science Program, The University of Texas Houston Medical School, Memorial Hermann Hospital, Houston, Texas, USA
| | - Harleen Sandhu
- Department of Cardiothoracic and Vascular Surgery, Clinical Science Program, The University of Texas Houston Medical School, Memorial Hermann Hospital, Houston, Texas, USA
| | - Rana O Afifi
- Department of Cardiothoracic and Vascular Surgery, Clinical Science Program, The University of Texas Houston Medical School, Memorial Hermann Hospital, Houston, Texas, USA
| | - Ali Azizzadeh
- Department of Cardiothoracic and Vascular Surgery, Clinical Science Program, The University of Texas Houston Medical School, Memorial Hermann Hospital, Houston, Texas, USA
| | - Kristofer Charlton-Ouw
- Department of Cardiothoracic and Vascular Surgery, Clinical Science Program, The University of Texas Houston Medical School, Memorial Hermann Hospital, Houston, Texas, USA
| | - Charles C Miller
- Department of Cardiothoracic and Vascular Surgery, Clinical Science Program, The University of Texas Houston Medical School, Memorial Hermann Hospital, Houston, Texas, USA
| | - Hazim J Safi
- Department of Cardiothoracic and Vascular Surgery, Clinical Science Program, The University of Texas Houston Medical School, Memorial Hermann Hospital, Houston, Texas, USA
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Commentary on "Temporary aneurysm sac perfusion as an adjunct for prevention of spinal cord ischaemia after branched endovascular repair of thoracoabdominal aneurysms". Eur J Vasc Endovasc Surg 2014; 48:266-7. [PMID: 25023001 DOI: 10.1016/j.ejvs.2014.06.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2014] [Accepted: 06/16/2014] [Indexed: 11/23/2022]
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Tanaka H, Minatoya K, Matsuda H, Sasaki H, Iba Y, Oda T, Kobayashi J. Embolism is emerging as a major cause of spinal cord injury after descending and thoracoabdominal aortic repair with a contemporary approach: magnetic resonance findings of spinal cord injury. Interact Cardiovasc Thorac Surg 2014; 19:205-10. [DOI: 10.1093/icvts/ivu148] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Conway AM, Sadek M, Lugo J, Pillai JB, Pellet Y, Panagopoulos G, Carroccio A, Plestis K. Outcomes of open surgical repair for chronic type B aortic dissections. J Vasc Surg 2014; 59:1217-23. [DOI: 10.1016/j.jvs.2013.11.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2013] [Revised: 10/30/2013] [Accepted: 11/01/2013] [Indexed: 10/25/2022]
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Kakinohana M. What should we do against delayed onset paraplegia following TEVAR? J Anesth 2013; 28:1-3. [PMID: 24370821 DOI: 10.1007/s00540-013-1768-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2013] [Accepted: 12/04/2013] [Indexed: 10/25/2022]
Affiliation(s)
- Manabu Kakinohana
- Department of Anesthesiology, Faculty of Medicine, University of Ryukyus, 207 Uehara, Nishihara, Okinawa, 903-0215, Japan,
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Sloan TB, Edmonds HL, Koht A. Intraoperative Electrophysiologic Monitoring in Aortic Surgery. J Cardiothorac Vasc Anesth 2013; 27:1364-73. [DOI: 10.1053/j.jvca.2012.09.027] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2012] [Indexed: 11/11/2022]
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Lühr M, Mohr FW, Etz C. Spinales und paraspinales Kollateralnetzwerk. ZEITSCHRIFT FUR HERZ THORAX UND GEFASSCHIRURGIE 2013. [DOI: 10.1007/s00398-012-0987-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Somatosensory-Evoked Potential–Guided Intercostal Artery Reimplantation in Thoracoabdominal Aortic Aneurysm Surgery. INNOVATIONS-TECHNOLOGY AND TECHNIQUES IN CARDIOTHORACIC AND VASCULAR SURGERY 2013; 8:302-6. [PMID: 24145976 DOI: 10.1097/imi.0000000000000005] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Objective This study was undertaken to evaluate the use of somatosensory-evokedpotential (SSEP) monitoring on intercostal artery reimplantation (IAR) and spinal cord ischemia rates during thoracoabdominal ortic aneurysm repair. Methods Fifty-two patients had thoracoabdominal aortic aneurysm repair with IAR under SSEP guidance and 79 patients had repair with routine IAR without SSEP guidance from 1999 to 2010. Results No differences were observed between the two groups in age (63.1 ± 11.6 vs 64.8 ± 9.8 years), sex (57.7% vs 50.6% men), chronic dissections (40.4% vs 44.3%), renal insufficiency (11.5% vs 10.1%), and Crawford type 1 and 2 aneurysms (53.9% vs 53.9%). There was one case (1.9%) of immediate paraplegia and one case (1.9%) of delayed paraplegia in the SSEP group versus 2 cases (2.5%) of immediate paraplegia in the non-SSEP group ( P = 0.92). In the SSEP group, 38 patients (73.1%) had SSEP changes, but only 15 (28.8%) required reimplantation. There were fewer IARs in the SSEP group compared with the non-SSEP group (28.8% vs. 59.5%, P = 0.004). No difference was observed in 30-day mortality between the SSEP and the non-SSEP group (3.9% vs. 7.6%, P = 0.48). Conclusions The use of SSEP monitoring led to a significant decrease in the need for IAR without increasing the paraplegia rate.
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Clinical outcomes of single versus staged hybrid repair for thoracoabdominal aortic aneurysm. J Vasc Surg 2013; 58:1192-200. [PMID: 23810260 DOI: 10.1016/j.jvs.2013.04.061] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Revised: 04/29/2013] [Accepted: 04/29/2013] [Indexed: 11/22/2022]
Abstract
OBJECTIVE We investigated the outcomes of hybrid repair of thoracoabdominal aortic aneurysms and performed meta-analyses and meta-regressions to assess whether the number of stages during hybrid repair is associated with mortality. METHODS Review methods were according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines. The primary outcome was 30-day mortality. Secondary outcomes of procedural and clinical success were reported descriptively. Meta-analyses, meta-regressions, and logistic regressions were performed to estimate the odds ratio (OR) describing the association between the staging of the operation and in-hospital death. RESULTS We included 19 studies of 660 patients. Procedures were single-staged in 288 patients and staged in 372. Perioperative mortality ranged from 0% to 44.4%, and spinal cord ischemia ranged from 0% to 15.3%. After a mean follow-up of 26 months (range, 6-88.5 months), the overall mortality was 20.8%. The meta-regression of all studies' summary data (OR, 0.64; 95% confidence interval [CI], 0.19-2.16; P = .45; I(2) = 0.42) and a meta-regression where mortality rates in four studies were stratified by operative staging (OR, 0.57; 95% CI, 0.24-1.36; P = .19; I(2) = 0.38) supported a two-stage procedure but failed to reach statistical significance. Logistic regressions of individual patient data from a single center demonstrated evidence that a staged procedure was safer (adjusted OR, 0.04; 95% CI, 0.00-0.96; P < .05). CONCLUSIONS Hybrid repair of thoracoabdominal aortic aneurysms may reduce early morbidity and mortality even in a group considered high risk for open surgery but still carries risks of perioperative complications. This study suggested advantages to a staged procedure, but statistically significant evidence is lacking. Prospective data are still needed to optimize hybrid repair and best define its role.
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Pillai JB, Pellet Y, Panagopoulos G, Sadek MA, Abjigitova D, Weiss D, Plestis KA. Somatosensory-Evoked Potential–Guided Intercostal Artery Reimplantation in Thoracoabdominal Aortic Aneurysm Surgery. INNOVATIONS-TECHNOLOGY AND TECHNIQUES IN CARDIOTHORACIC AND VASCULAR SURGERY 2013. [DOI: 10.1177/155698451300800410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Jain Bhaskara Pillai
- University Hospital of Coventry and Warwickshire, Coventry, West Midlands, England
| | - Yonni Pellet
- Aortic Wellness Center, Division of Cardiothoracic Surgery, Lenox Hill Hospital, North Shore LIJ Health System, New York, NY USA
| | - Georgia Panagopoulos
- Aortic Wellness Center, Division of Cardiothoracic Surgery, Lenox Hill Hospital, North Shore LIJ Health System, New York, NY USA
| | - Mostafa A. Sadek
- Aortic Wellness Center, Division of Cardiothoracic Surgery, Lenox Hill Hospital, North Shore LIJ Health System, New York, NY USA
| | - Djamila Abjigitova
- Aortic Wellness Center, Division of Cardiothoracic Surgery, Lenox Hill Hospital, North Shore LIJ Health System, New York, NY USA
| | - David Weiss
- Aortic Wellness Center, Division of Cardiothoracic Surgery, Lenox Hill Hospital, North Shore LIJ Health System, New York, NY USA
| | - Konstadinos A. Plestis
- Aortic Wellness Center, Division of Cardiothoracic Surgery, Lenox Hill Hospital, North Shore LIJ Health System, New York, NY USA
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