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Saitoh D, Yamazaki Y, Tsuji T, Sakoda N, Yakuwa K, Tabayashi A, Koizumi J, Ohsawa S, Kin H. Patterns of collateral arteries to the spinal cord after thoraco-abdominal aortic aneurysm repair. INTERDISCIPLINARY CARDIOVASCULAR AND THORACIC SURGERY 2024; 38:ivae087. [PMID: 38696750 PMCID: PMC11193310 DOI: 10.1093/icvts/ivae087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 04/30/2024] [Indexed: 05/04/2024]
Abstract
OBJECTIVES Our goal was to evaluate postoperative patterns of collateral arteries to the spinal cord during occlusion of the segmental arteries supplying the artery of Adamkiewicz (AKA). METHODS Between April 2011 and December 2022, a total of 179 patients underwent thoraco-abdominal aortic aneurysm repair; 141 had an identifiable AKA on preoperative multidetector computed tomography scans, 40 underwent thoraco-abdominal aortic aneurysm replacement (TAAR) and 101 underwent thoracic endovascular aortic repair (TEVAR). New postoperative collateral blood pathways invisible on preoperative contrast-enhanced computed tomography scans were identified in 42 patients (10 patients who had TAAR vs 32 patients who had TEVAR) who underwent preoperative and postoperative multidetector computed tomography scanning for AKA identification. RESULTS The thoracodorsal and segmental arteries were the main collateral pathways in both groups. Th9-initiated collaterals were the most common. Collaterals from the internal thoracic artery were observed in the TEVAR group but not in the TAAR group. One patient in the TEVAR group experienced postoperative paraparesis, which was not observed in the TAAR group. Postoperative paraplegia was more common in the non-Th9-origin group, but this difference was not significant. CONCLUSIONS Thoracodorsal and segmental arteries may be important collateral pathways after TEVAR and TAAR. For thoracodorsal arteries, preserving the thoracodorsal muscle during the approach would be crucial; for segmental arteries, minimizing the area to be replaced or covered would be paramount. An AKA not initiated at the Th9 level poses a high risk of postoperative paraplegia.
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Affiliation(s)
- Daiki Saitoh
- Department of Cardiovascular Surgery, Iwate Medical University, Iwate, Japan
| | - Yuya Yamazaki
- Department of Cardiovascular Surgery, Iwate Medical University, Iwate, Japan
| | - Tatsunori Tsuji
- Department of Cardiovascular Surgery, Iwate Medical University, Iwate, Japan
| | - Naoya Sakoda
- Department of Cardiovascular Surgery, Iwate Medical University, Iwate, Japan
| | - Kazuki Yakuwa
- Department of Cardiovascular Surgery, Iwate Medical University, Iwate, Japan
| | - Azuma Tabayashi
- Department of Cardiovascular Surgery, Iwate Medical University, Iwate, Japan
| | - Junichi Koizumi
- Department of Cardiovascular Surgery, Iwate Medical University, Iwate, Japan
| | - Satoshi Ohsawa
- Department of Cardiovascular Surgery, San-ai Hospital, Iwate, Japan
| | - Hajime Kin
- Department of Cardiovascular Surgery, Iwate Medical University, Iwate, Japan
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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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Park SJ, Kim JK, Kim HR, Kim T, Lee S, Kim GB, Yang DH, Kim JB. The result of prospective evaluation of 3-dimensional printing-aided extensive thoracoabdominal aorta repair. JTCVS Tech 2023; 20:1-9. [PMID: 37555043 PMCID: PMC10405161 DOI: 10.1016/j.xjtc.2023.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/11/2023] [Accepted: 04/20/2023] [Indexed: 08/10/2023] Open
Abstract
OBJECTIVES Paraplegia is a distressing complication after open thoracoabdominal aortic aneurysm (TAAA) repair, and revascularization of T8-L2-level segmental arteries is considered pivotal to prevent paraplegia. We employed 3-dimensional (3D) printing to efficiently revascularize segmental/visceral arteries and prospectively evaluated its safety and efficacy. METHODS From January 1, 2020, to June 30, 2022, we prospectively enrolled patients of extent I, II, or III TAAA repair. Guidance models were 3D-printed based on preoperative computed tomography, and multibranched aortic grafts were manually constructed upon this model before surgery. The composite outcome of operative mortality, permanent stroke, and permanent spinal cord deficit (SCD) was compared with the historical control group (n = 77, in 2015-2020), subjected to similar TAAA repair without 3D printing. RESULTS A total of 38 patients (58.6 ± 13.2 years) underwent open TAAA repair with the aid of 3D printing. Extent I, II, and III repairs were performed in 14 (36.8%), 17 (44.7%), and 7 (18.4%), respectively. Concomitant arch repair and bi-iliac reconstruction were performed in 7 (18.4%) and 6 patients (15.8%), respectively. Mean pump time was 107.7 ± 55.5 minutes. Operative mortality, permanent stroke, and permanent SCD each occurred in 1 patient (2.6%), and the incidence of the composite outcome was 7.9% (3/38). In the control group, mean pump time was 166.0 ± 83.9 minutes, significantly longer than the 3D-printing group (P < .001), and operative mortality, permanent stroke, permanent SCD, and the composite outcome occurred in 7 (9.1%), 9 (11.7%), 8 (10.4%), and 19 (24.7%), respectively. CONCLUSIONS Open repairs of extensive TAAA with 3D printing showed favorable safety and efficacy, which need further validation by larger studies.
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Affiliation(s)
- Sung Jun Park
- Department of Thoracic and Cardiovascular Surgery, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Jin Kyung Kim
- Department of Thoracic and Cardiovascular Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Hong Rae Kim
- Department of Thoracic and Cardiovascular Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Taehun Kim
- Department of Convergence Medicine, Asan Medical Institute of Convergence Science and Technology, University of Ulsan, Asan Medical Center, Seoul, Korea
| | | | - Guk Bae Kim
- Anymedi Inc (Product R&D Center), Seoul, Korea
| | - Dong Hyun Yang
- Department of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Joon Bum Kim
- Department of Thoracic and Cardiovascular Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
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OUP accepted manuscript. Eur J Cardiothorac Surg 2022; 62:6561271. [DOI: 10.1093/ejcts/ezac196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 02/23/2022] [Accepted: 03/24/2022] [Indexed: 11/13/2022] Open
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Busch DR, Lin W, Goh CC, Gao F, Larson N, Wahl J, Bilfinger TV, Yodh AG, Floyd TF. Towards rapid intraoperative axial localization of spinal cord ischemia with epidural diffuse correlation monitoring. PLoS One 2021; 16:e0251271. [PMID: 33970932 PMCID: PMC8109798 DOI: 10.1371/journal.pone.0251271] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 04/23/2021] [Indexed: 11/19/2022] Open
Abstract
Spinal cord ischemia leads to iatrogenic injury in multiple surgical fields, and the ability to immediately identify onset and anatomic origin of ischemia is critical to its management. Current clinical monitoring, however, does not directly measure spinal cord blood flow, resulting in poor sensitivity/specificity, delayed alerts, and delayed intervention. We have developed an epidural device employing diffuse correlation spectroscopy (DCS) to monitor spinal cord ischemia continuously at multiple positions. We investigate the ability of this device to localize spinal cord ischemia in a porcine model and validate DCS versus Laser Doppler Flowmetry (LDF). Specifically, we demonstrate continuous (>0.1Hz) spatially resolved (3 locations) monitoring of spinal cord blood flow in a purely ischemic model with an epidural DCS probe. Changes in blood flow measured by DCS and LDF were highly correlated (r = 0.83). Spinal cord blood flow measured by DCS caudal to aortic occlusion decreased 62%. This monitor demonstrated a sensitivity of 0.87 and specificity of 0.91 for detection of a 25% decrease in flow. This technology may enable early identification and critically important localization of spinal cord ischemia.
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Affiliation(s)
- David R. Busch
- Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
- Neurology, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
| | - Wei Lin
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York, United States of America
| | - Chia Chieh Goh
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York, United States of America
| | - Feng Gao
- Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
| | - Nicholas Larson
- Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
| | - Joseph Wahl
- Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
| | - Thomas V. Bilfinger
- Department of Surgery, Stony Brook University, Stony Brook, New York, United States of America
| | - Arjun G. Yodh
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Thomas F. Floyd
- Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
- Department of Cardiothoracic Surgery, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
- Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
- * E-mail:
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Deng J, Liu W. A 52-year-old man with asymptomatic giant thoracic-abdominal aortic aneurysm. J Card Surg 2021; 36:2572-2574. [PMID: 33855762 DOI: 10.1111/jocs.15565] [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: 03/15/2021] [Accepted: 03/28/2021] [Indexed: 11/28/2022]
Abstract
A 52-year-old man was admitted to our hospital for a "CT-diagnosed thoracic-abdominal aortic aneurysm." One week ago, the patient had repeated dry coughs and went to the local hospital for treatment. A chest radiograph revealed a huge mass in the left thoracic cavity. A further chest computerized tomography examination revealed a thoracic-abdominal aortic aneurysm and was transferred to our hospital for surgical treatment. The patient is almost healthy, with no fever, no severe chest and abdomen pain, no dyspnea, no dysphagia, or other clinical symptoms. Ten years ago, the patient underwent "ascending aorta and total aortic arch replacement surgery" in another cardiovascular hospital due to aortic dissection involving the ascending aorta and aortic arch (Debakey I). The patient's thoracic-abdominal aortic aneurysm is huge and has a high risk of rupture. Recently, the patient has undergone thoracic-abdominal aortic replacement surgery and is recovering well.
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Affiliation(s)
- Jianying Deng
- Department of Cardiovascular Surgery, Chongqing Kanghua Zhonglian Cardiovascular Hospital, Chongqing, China
| | - Wei Liu
- Department of Cardiac Surgery, DeltaHealth Hostital, Shanghai, China
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Abdelbaky M, Zafar MA, Saeyeldin A, Wu J, Papanikolaou D, Vinholo TF, Huber S, Buntin J, Ziganshin BA, Mojibian H, Elefteriades JA. Routine anterior spinal artery visualization prior to descending and thoracoabdominal aneurysm repair: High detection success. J Card Surg 2019; 34:1563-1568. [DOI: 10.1111/jocs.14310] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Mohamed Abdelbaky
- Aortic Institute at Yale‐New Haven Hospital Yale University School of Medicine New Haven Connecticut
| | - Mohammad A. Zafar
- Aortic Institute at Yale‐New Haven Hospital Yale University School of Medicine New Haven Connecticut
| | - Ayman Saeyeldin
- Aortic Institute at Yale‐New Haven Hospital Yale University School of Medicine New Haven Connecticut
| | - Jinlin Wu
- Aortic Institute at Yale‐New Haven Hospital Yale University School of Medicine New Haven Connecticut
| | - Dimitra Papanikolaou
- Aortic Institute at Yale‐New Haven Hospital Yale University School of Medicine New Haven Connecticut
| | - Thais Faggion Vinholo
- Aortic Institute at Yale‐New Haven Hospital Yale University School of Medicine New Haven Connecticut
| | - Steffen Huber
- Department of Radiology and Biomedical Imaging Yale School of Medicine New Haven Connecticut
| | - Joelle Buntin
- Aortic Institute at Yale‐New Haven Hospital Yale University School of Medicine New Haven Connecticut
| | - Bulat A. Ziganshin
- Aortic Institute at Yale‐New Haven Hospital Yale University School of Medicine New Haven Connecticut
| | - Hamid Mojibian
- Department of Radiology and Biomedical Imaging Yale School of Medicine New Haven Connecticut
| | - John A. Elefteriades
- Aortic Institute at Yale‐New Haven Hospital Yale University School of Medicine New Haven Connecticut
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Rocha RV, Lindsay TF, Friedrich JO, Shan S, Sinha S, Yanagawa B, Al-Omran M, Forbes TL, Ouzounian M. Systematic review of contemporary outcomes of endovascular and open thoracoabdominal aortic aneurysm repair. J Vasc Surg 2019; 71:1396-1412.e12. [PMID: 31690525 DOI: 10.1016/j.jvs.2019.06.216] [Citation(s) in RCA: 86] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 06/04/2019] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The purpose of the study was to provide a systematic review of the literature reporting the contemporary early outcomes after endovascular and open repair of thoracoabdominal aortic aneurysms (TAAAs). METHODS MEDLINE and Embase were searched for studies from January 2006 to March 2018 that reported either endovascular (using branched or fenestrated endografts) or open repair of TAAA in at least 10 patients. Outcomes of interest included perioperative mortality, spinal cord injury (SCI), renal failure requiring dialysis, and stroke. Pooled proportions were determined using a random-effects model. RESULTS The analysis included 71 studies, of which 24 and 47 reported outcomes after endovascular and open TAAA repair, respectively. Endovascular cohort patients were older and had higher rates of coronary artery disease, chronic obstructive pulmonary disease, and diabetes. Endovascular repair was associated with higher rates of SCI (13.5%; 95% confidence interval [CI], 10.5%-16.7%) compared with open repair (7.4%; 95% CI, 6.2%-8.7%; P < .01) but similar rates of permanent paralysis (5.2% [95% CI, 3.8%-6.7%] vs 4.4% [95% CI, 3.3%-5.6%]; P = .39), lower rates of postoperative dialysis (6.4% [95% CI, 3.2%-9.5%] vs 12.0% [95% CI, 8.2%-16.3%]; P = .03) but similar rates of being discharged on permanent dialysis (3.7% [95% CI, 2.0%-5.9%] vs 3.8% [95% CI, 2.9%-5.3%]; P = .93), a trend to lower stroke (2.7% [95% CI, 1.9%-3.6%] vs 3.9% [95% CI, 3.0%-4.9%]; P = .06), and similar perioperative mortality (7.4% [95% CI, 5.9%-9.1%] vs 8.9% [95% CI, 7.2%-10.9%]; P = .21). CONCLUSIONS This systematic review summarizes the contemporary literature results of endovascular and open TAAA repair. Endovascular repair studies included patients with more comorbidities and were associated with higher rates of SCI but similar rates of permanent paraplegia, whereas open repair studies had higher rates of postoperative dialysis but similar rates of being discharged on permanent dialysis. Perioperative mortality rates were similar. Universally adopted reporting standards for patient characteristics, outcomes, and the conduct of contemporary comparative studies will allow better assessment and comparisons of the risks associated with the two surgical treatment options for TAAA.
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Affiliation(s)
- Rodolfo V Rocha
- Division of Cardiac Surgery, Peter Munk Cardiac Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Thomas F Lindsay
- Division of Vascular Surgery, Peter Munk Cardiac Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Jan O Friedrich
- Critical Care and Medicine Departments and Li Ka Shing Knowledge Institute, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Shubham Shan
- Division of Cardiac Surgery, Peter Munk Cardiac Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Sidhartha Sinha
- Division of Vascular Surgery, Peter Munk Cardiac Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Bobby Yanagawa
- Division of Cardiac Surgery, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Mohammed Al-Omran
- Division of Vascular Surgery, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Thomas L Forbes
- Division of Vascular Surgery, Peter Munk Cardiac Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Maral Ouzounian
- Division of Cardiac Surgery, Peter Munk Cardiac Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada.
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Taterra D, Skinningsrud B, Pękala PA, Hsieh WC, Cirocchi R, Walocha JA, Tubbs RS, Tomaszewski KA, Henry BM. Artery of Adamkiewicz: a meta-analysis of anatomical characteristics. Neuroradiology 2019. [DOI: 10.1007/s00234-019-02207-y –] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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10
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Taterra D, Skinningsrud B, Pękala PA, Hsieh WC, Cirocchi R, Walocha JA, Tubbs RS, Tomaszewski KA, Henry BM. Artery of Adamkiewicz: a meta-analysis of anatomical characteristics. Neuroradiology 2019; 61:869-880. [PMID: 31030251 PMCID: PMC6620248 DOI: 10.1007/s00234-019-02207-y] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 04/01/2019] [Indexed: 12/03/2022]
Abstract
PURPOSE The artery of Adamkiewicz (AKA) provides the major blood supply to the anterior thoracolumbar spinal cord and iatrogenic injury or inadequate reconstruction of this vessel during vascular and endovascular surgery can result in postoperative neurological deficit due to spinal cord ischemia. The aim of this study was to provide comprehensive data on the prevalence and anatomical characteristics of the AKA. METHODS An extensive search was conducted through the major electronic databases to identify eligible articles. Data extracted included study type, prevalence of the AKA, gender, number of AKA per patient, laterality, origin based on vertebral level, side of origin, morphometric data, and ethnicity subgroups. RESULTS A total of 60 studies (n = 5437 subjects) were included in the meta-analysis. Our main findings revealed that the AKA was present in 84.6% of the population, and patients most frequently had a single AKA (87.4%) on the left side (76.6%) originating between T8 and L1 (89%). CONCLUSION As an AKA is present in the majority of the population, caution should be taken during vascular and endovascular surgical procedures to avoid injury or ensure proper reconstruction. All surgeons operating in the thoracolumbar spinal cord should have a thorough understanding of the anatomical characteristics and surgical implications of an AKA.
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Affiliation(s)
- Dominik Taterra
- International Evidence-Based Anatomy Working Group, Kraków, Poland
- Department of Anatomy, Jagiellonian University Medical College, 12 Kopernika Street, 31-034, Kraków, Poland
| | - Bendik Skinningsrud
- International Evidence-Based Anatomy Working Group, Kraków, Poland
- Department of Anatomy, Jagiellonian University Medical College, 12 Kopernika Street, 31-034, Kraków, Poland
| | - Przemysław A Pękala
- International Evidence-Based Anatomy Working Group, Kraków, Poland
- Department of Anatomy, Jagiellonian University Medical College, 12 Kopernika Street, 31-034, Kraków, Poland
| | - Wan Chin Hsieh
- International Evidence-Based Anatomy Working Group, Kraków, Poland
- First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Roberto Cirocchi
- Department of Surgical Sciences, Radiology and Dentistry, University of Perugia, Perugia, Italy
| | - Jerzy A Walocha
- International Evidence-Based Anatomy Working Group, Kraków, Poland
- Department of Anatomy, Jagiellonian University Medical College, 12 Kopernika Street, 31-034, Kraków, Poland
| | | | - Krzysztof A Tomaszewski
- International Evidence-Based Anatomy Working Group, Kraków, Poland.
- Faculty of Medicine and Health Sciences, Andrzej Frycz Modrzewski KrakowUniversity, Kraków, Poland.
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Henmi S, Ikeno Y, Yokawa K, Gotake Y, Nakai H, Yamanaka K, Inoue T, Tanaka H, Okita Y. Comparison of early patency rate and long-term outcomes of various techniques for reconstruction of segmental arteries during thoracoabdominal aortic aneurysm repair. Eur J Cardiothorac Surg 2019; 56:5316427. [PMID: 30759211 DOI: 10.1093/ejcts/ezz015] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 01/09/2019] [Indexed: 02/28/2024] Open
Abstract
OBJECTIVES This study aimed to analyse the early patency rate and long-term outcomes of reattached segmental intercostal arteries using graft interposition, single-cuff anastomosis or island reconstruction. METHODS We selected 172 consecutive patients who underwent open surgery for the thoracoabdominal aorta with reattachment of segmental arteries between October 1999 and March 2018. The early patency of segmental arteries was analysed using enhanced computed tomography. Segmental arteries were reconstructed using graft interposition (n = 111), single-cuff anastomosis (n = 38) or island reconstruction (n = 23). RESULTS The hospital mortality was 6.4%. Twenty patients developed spinal cord ischaemic injury (permanent, n = 12 or transient, n = 8). Spinal cord injury was found in 16, 3 and 1 patients in the graft interposition, single-cuff anastomosis and island reconstruction groups, respectively. Overall, 475 segmental arteries were reattached (mean number per patient 2.8 ± 1.3). The overall early patency rate was 63.4%. The patency rates in island reconstruction (91.2%) and single-cuff anastomosis (77.1%) were significantly better than that in graft interposition (54.0%; P < 0.01). However, 6 patients with island reconstruction of segmental arteries had an aneurysm formation at the intercostal artery reconstruction site, of whom 4 patients underwent reoperation during follow-up. None of the patients with graft interposition or single-cuff reattachment had a patch aneurysm in segmental arteries. CONCLUSIONS Island reconstruction and single-cuff anastomosis might offer better patency rates and prevent spinal cord ischaemic injury than graft interposition. Because some patients with island reconstruction required reoperation for patch aneurysms in segmental arteries, single-cuff anastomosis is preferable in terms of early- and long-term outcomes.
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Affiliation(s)
- Soichiro Henmi
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuki Ikeno
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Koki Yokawa
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yasuko Gotake
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hidekazu Nakai
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Katsuhiro Yamanaka
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takeshi Inoue
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroshi Tanaka
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yutaka Okita
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
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12
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Choke E. Commentary on "Development of Collaterals to the Spinal Cord After Endovascular Stent Graft Repair of Thoracic Aneurysms". Eur J Vasc Endovasc Surg 2016; 52:808. [PMID: 27836192 DOI: 10.1016/j.ejvs.2016.10.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Accepted: 10/20/2016] [Indexed: 10/20/2022]
Affiliation(s)
- E Choke
- Singapore General Hospital, Academia, 20 College Road, 169856, Singapore.
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13
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Fukui S, Tanaka H, Kobayashi K, Kajiyama T, Mitsuno M, Yamamura M, Ryomoto M, Miyamoto Y. Development of Collaterals to the Spinal Cord after Endovascular Stent Graft Repair of Thoracic Aneurysms. Eur J Vasc Endovasc Surg 2016; 52:801-807. [PMID: 27776939 DOI: 10.1016/j.ejvs.2016.09.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2016] [Accepted: 09/18/2016] [Indexed: 10/20/2022]
Abstract
OBJECTIVES In thoracic and thoraco-abdominal aortic aneurysm repair, spinal cord injury (SCI) is devastating. Detection of the Adamkiewicz artery might be important for preventing SCI. Although thoracic endovascular stent grafts often occlude the segmental artery, the incidence of SCI in thoracic endovascular aortic repair is thought to be low compared with open repair. This study aimed to evaluate how the Adamkiewicz artery is supplied after segmental arteries are occluded by stent grafts. METHODS From March 2007 to August 2015, 32 patients were enrolled whose segmental arteries that were connected to the Adamkiewicz arteries were occluded by stent grafts. Segmental arteries, Adamkiewicz arteries, collateral circulation into the Adamkiewicz arteries, and anterior spinal arteries were pre- and post-operatively evaluated by computed tomography angiography. RESULTS Post-operatively, Adamkiewicz arteries were detected in 24 (75%) patients, except for two patients with paraplegia and six without paraplegia. Post-operative Adamkiewicz arteries were the same as pre-operative Adamkiewicz arteries, except for one Adamkiewicz artery that was located at two vertebral levels below the pre-operative level. SCI occurred in two (6.3%) patients. The distribution of feeding arteries into the Adamkiewicz artery post-operatively was divided into three patterns as follows: a segmental artery below the distal landing zone of the stent graft (53%), branches of the left subclavian artery (33%), and a branch of the left external iliac artery (13%). CONCLUSIONS The length of the stent graft should be as short as possible. Blood supply to the left subclavian artery should be maintained because segmental arteries below the segmental artery occluded by the stent graft and branches of the left subclavian artery can become collaterals post-operatively.
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Affiliation(s)
- S Fukui
- Department of Cardiovascular Surgery, Hyogo College of Medicine, Nishinomiya, Japan.
| | - H Tanaka
- Department of Cardiovascular Surgery, Hyogo College of Medicine, Nishinomiya, Japan
| | - K Kobayashi
- Department of Radiology, Hyogo College of Medicine, Nishinomiya, Japan
| | - T Kajiyama
- Department of Cardiovascular Surgery, Hyogo College of Medicine, Nishinomiya, Japan
| | - M Mitsuno
- Department of Cardiovascular Surgery, Hyogo College of Medicine, Nishinomiya, Japan
| | - M Yamamura
- Department of Cardiovascular Surgery, Hyogo College of Medicine, Nishinomiya, Japan
| | - M Ryomoto
- Department of Cardiovascular Surgery, Hyogo College of Medicine, Nishinomiya, Japan
| | - Y Miyamoto
- Department of Cardiovascular Surgery, Hyogo College of Medicine, Nishinomiya, Japan
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Etz CD, Weigang E, Hartert M, Lonn L, Mestres CA, Di Bartolomeo R, Bachet JE, Carrel TP, Grabenwöger M, Schepens MA, Czerny M. Contemporary spinal cord protection during thoracic and thoracoabdominal aortic surgery and endovascular aortic repair: a position paper of the vascular domain of the European Association for Cardio-Thoracic Surgery†. Eur J Cardiothorac Surg 2015; 47:943-57. [DOI: 10.1093/ejcts/ezv142] [Citation(s) in RCA: 173] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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15
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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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Kamohara K, Furukawa K, Itoh M, Morokuma H, Tanaka H, Hayashi N, Morita S. Evaluation of the optimal visceral branch configuration in open thoracoabdominal aortic repair by computed tomography. Ann Thorac Cardiovasc Surg 2014; 21:59-65. [PMID: 24583700 DOI: 10.5761/atcs.oa.13-00271] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND In thoracoabdominal aneurysm (TAAA) repair, our technical modification of visceral reconstruction using longer cut pre-sewn side branches has provided good surgical outcomes. Here, we assessed the long-term durability and patency of revascularized branches using computed tomography (CT) to confirm the validity of our approach. METHODS Early and late CT evaluations were performed in 11 TAAA patients (males: 5; mean age: 60.6 years) using the Coselli graft to evaluate the position of main graft and the diverging pattern and patency of side branches. Seven of 11 were sutured in an extra-anatomical fashion using longer cut side branches. RESULTS In Anatomical (n = 4) and Extra-anatomical (n = 7) groups, the early patency of side branches was not significantly different. Although the late patency of right renal artery (RA) was 100% in both groups, the one of left RA was 60% in Extra-anatomical, while 100% in Anatomical. Furthermore, the main graft in Extra-anatomical was significantly posterior and leftward to the spine with left RA side branch diverging at an acute angle. CONCLUSIONS When a pre-sewn branched graft designed for TAAA is used, the graft should be sutured in a fashion similar to normal patient anatomy to minimize the possibility of kinking of RA side branch for the patency.
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Affiliation(s)
- Keiji Kamohara
- Department of Thoracic and Cardiovascular Surgery, Saga Medical School, Saga, Saga, Japan
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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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