Annals of Vascular Diseases
Online ISSN : 1881-6428
Print ISSN : 1881-641X
ISSN-L : 1881-641X
Volume 12 , Issue 3
Showing 1-23 articles out of 23 articles from the selected issue
REVIEW ARTICLES
Angiosome and Revascularization
  • Yosuke Hata, Osamu Iida, Toshiaki Mano
    2019 Volume 12 Issue 3 Pages 315-318
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: June 18, 2019
    JOURNALS FREE ACCESS

    Endovascular therapy (EVT) plays a major role in the treatment of critical limb ischemia (CLI). The latest guidelines state that the angiosome concept should be considered when performing revascularization of infrapopliteal lesions in patients with CLI. There have been several reports both of favorable and unfavorable results of angiosome-guided EVT. Based on previous reports, angiosome-guided EVT tends to improve wound healing (WH) rather than amputation-free survival and overall survival. In addition, indirect revascularization based on the angiosome concept with a good collateral flow may achieve good WH comparable to that achieved by direct revascularization. In the future, rather than just debating the effectiveness/ineffectiveness of the angiosome concept, it will be desirable to investigate the patient and lesion characteristics that may have significant influences on WH after angiosome-guided EVT and to apply the results to clinical practice.

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Updates on Image Diagnosis in Aortic Disease
  • Shinichi Iwakoshi, Toshiko Hirai, Kimihiko Kichikawa
    2019 Volume 12 Issue 3 Pages 319-322
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: July 18, 2019
    JOURNALS FREE ACCESS

    Abdominal aortic aneurysms (AAAs) are life-threatening and are associated with >80% mortality when they rupture. Therefore, detecting these aneurysms before they rupture is critical. Ultrasonography is a non-invasive tool that is used for screening AAAs by measuring abdominal aorta diameter. A recent meta-analysis demonstrated the positive effects of ultrasonography. To date, aneurysm diameter is the most reliable predictor for aneurysm rupture and is used as a criterion for surgical intervention. However, some AAAs rupture at small diameters. Therefore, a better predictor for AAA rupture that is independent of aneurysm diameter is needed. Recently, an aortic wall strain examined using ultrasonography has been reported to have a potential in predicting AAA rupture. Since the introduction of endovascular aneurysm repair (EVAR), a paradigm shift has occurred in the management of AAAs. EVAR is broadly spread with the advantage of early favorable results but with concerning endoleak complications. At present, computed tomography angiography (CTA) is considered to be a gold standard for surveillance following EVAR, but it encounters some problems, such as contrast usage or radiation exposure. Ultrasonography offers an examination free from these problems and can this be an alternative to CTA. In this review article, current trends and new technologies regarding AAA assessment using ultrasonography are introduced.

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Educational Seminars of the Japanese Society for Vascular Surgery
  • Hiroyuki Ito
    2019 Volume 12 Issue 3 Pages 323-328
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: July 25, 2019
    JOURNALS FREE ACCESS

    In addition to traditional open surgical repair (OSR), endovascular aneurysm repair (EVAR) is currently another strong option to treat RAAA. All vascular surgeons who try to save RAAA patients must be deeply versed in both OSR and EVAR. In this article, current trend of RAAA treatment and abdominal compartment syndrome, which has been most important postoperative complication, are reviewed. (This is a translation of Jpn J Vasc Surg 2019; 28: 127–132.)

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  • Takuya Matsumoto
    2019 Volume 12 Issue 3 Pages 329-333
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: August 07, 2019
    JOURNALS FREE ACCESS

    In 2006, commercially produced endovascular aneurysm repair (EVAR) devices were approved by the Japanese Ministry of Health, Labour and Welfare, and their cost began to be covered by Japanese medical insurance. Meanwhile, the number of juxtarenal abdominal aortic aneurysms (AAA) to need the suprarenal clamp are increasing and the number of infra-renal AAAs are decreasing for open repair. In this era when EVAR has been growing rapidly for 11 years, it is a good opportunity to learn the surgical repair of AAA. I review the basic and advanced anatomy and physiology concepts which are needed for abdominal aortic repair, which are the proximal site (exposure of the proximal site, variation of renal arteries, variation of inferior vena cava and left renal vein, arcade of visceral branches of abdominal aorta, and coeliac plexus) and distal site (iliac artery, superior hypogastric plexus, ureter, inferior mesenteric artery, and lumbar arteries) separately. (This is a translation of Jpn J Vasc Surg 2019; 28: 173–177.)

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REVIEW ARTICLE
  • Hiroshi Mitsuoka, Yasuhiko Terai, Yuta Miyano, Toyotaka Naitou, Junsuk ...
    2019 Volume 12 Issue 3 Pages 334-339
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: August 26, 2019
    JOURNALS FREE ACCESS

    The medical uses of three-dimensional (3D) printing are evolving at a rapid pace. The current roles and the future outlooks of this technology for physician-modified endovascular graft (PMEG) in patients with juxtarenal aneurysm are discussed. Fenestrations of PMEG are designed taking into account the geometry of the stent graft. Designing of such stent grafts is extremely complicated, especially when PMEG is planned for the angulated portion of the aorta. A 3D model enables the designing of branch fenestrations, with consideration for the geometrical adaptation of the stent graft in a complex aortic anatomy. With the aid of 3D-printing technology, patients with juxtarenal aortic pathologies can be treated using fenestrated stent grafts, preserving the vital organ circulation and securing a robust length of proximal sealing zone.

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ORIGINAL ARTICLES
  • Yoshikatsu Nomura, Kanetsugu Nagao, Shota Hasegawa, Motoharu Kawashima ...
    2019 Volume 12 Issue 3 Pages 340-346
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: June 11, 2019
    JOURNALS FREE ACCESS

    Objective: To review our experience with a late open conversion as a final option for an endograft infection and aneurysm expansion after endovascular aneurysm repair (EVAR), especially in endoleaks for which radiological intervention is impossible.

    Materials and Methods: In this retrospective study, 13 late open conversions out of 513 consecutive patients treated by EVAR were analyzed. Indications for an open conversion were aneurysm enlargement, including all endoleaks, endograft migration, and endograft infection. The patients’ data on demographics, operative details, and outcomes were reviewed.

    Results: Indications for a late open conversion included endoleaks, infection, and migration in 61.5%, 30.8%, and 7.7% of patients, respectively. The median interval from the initial EVAR was 32.4 months. Complete endograft explantation was performed in four patients with an endograft infection. In endoleak cases, the endograft was partially preserved and a neo-neck was used. Sacotomy and branch ligation were performed in one case. One major operative complication was an aortic injury during infrarenal aortic cross-clamping in an endograft migration case. There was no operative mortality.

    Conclusion: A late open conversion after EVAR is valuable as a final option. The aortic cross-clamp site, especially in endograft migration cases, should be carefully considered. To avoid aneurysm-related events, graft replacement is recommended, if possible.

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  • Michihisa Umetsu, Daijirou Akamatsu, Hitoshi Goto, Masato Ohara, Munet ...
    2019 Volume 12 Issue 3 Pages 347-353
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: June 13, 2019
    JOURNALS FREE ACCESS

    Objective: To examine the medium- to long-term outcomes of acute limb ischemia (ALI), which are unclear at present.

    Methods: We analyzed 93 consecutive limbs in 77 patients with ALI between January 2005 and December 2015 treated at our vascular center. We categorized the cases into four groups according to etiology (embolism, thrombosis, graft thrombosis, and dissection groups) to assess survival, limb salvage, and freedom from re-intervention rates.

    Results: The mean age at onset was 72±15 years. The median follow-up length was 2.90 years. The Rutherford categories I, IIa, IIb, and III included 1, 38, 51, and 3 cases, respectively. Thromboembolectomy was performed in all patients in the embolism and thrombosis groups. In addition, endovascular treatment was performed in 25 (37.3%) patients, especially in the thrombosis group (81.3%). A major amputation could not be avoided in 10 patients. The 5-year limb salvage rates for categories IIa and IIb were 97.1% and 83.1%, respectively. The 5-year freedom from re-intervention rate was 89.2%. The survival rates at 1, 3, and 5 years were 87.9%, 75.2%, and 60.6%, respectively.

    Conclusion: The 5-year survival rates of patients with ALI were equivalent to those with chronic limb threatening ischemia (CLTI). The intervention and long-term outcomes were distinguishable according to etiology.

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  • Kenjuro Higo, Akihiro Tokushige, Ayano Tezuka, Satoko Ojima, Takahiro ...
    2019 Volume 12 Issue 3 Pages 354-361
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: June 24, 2019
    JOURNALS FREE ACCESS

    Objective: We evaluate the efficacy of anticoagulant administration for isolated distal deep vein thrombus (IDDVT), detected before orthopedic surgery.

    Materials and Methods: The study included 32 patients diagnosed with IDDVT before orthopedic surgery in our hospital between October 2011 and October 2017. They were divided into two groups: the ‘pre- and post-operative therapy group,’ who were administered anticoagulants both pre- and post-operatively, and the ‘post-operative therapy group,’ who were administered anticoagulants only after surgery due to risk of bleeding judged by an orthopedic surgeon. We compared the primary efficacy (change in IDDVT size) between the two groups.

    Results: The proportion of patients with increased post-operative IDDVT sizes was significantly larger in the post-operatively treated group than in the pre- and post-operatively treated group (44.4% vs. 8.7%, p=0.026). No case demonstrated an IDDVT extension proximal to the popliteal vein or presented with symptomatic pulmonary thromboembolism in this study.

    Conclusion: Based on our findings, we recommend that, in patients with IDDVT detected prior to orthopedic surgery and administered anticoagulant therapy only after the procedure because of a bleeding risk, a lower limb ultrasonography to re-evaluate the existing deep vein thrombus should be conducted before beginning rehabilitation.

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  • Kuniyasu Ikeoka, Tetsuya Watanabe, Yukinori Shinoda, Tomoko Minamisaka ...
    2019 Volume 12 Issue 3 Pages 362-366
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: June 24, 2019
    JOURNALS FREE ACCESS

    Background: In superficial femoral artery (SFA) stenosis, stenosis resistance may increase, but the relationship between stenosis resistance and stenotic severity remains to be seen. This study aimed to investigate the physiological response, through a hyperemic condition, and the pathophysiological significance of Doppler flow and stenosis resistance in SFA.

    Methods: Twenty-four limbs with focal stenosis of the SFA were analyzed. We assessed the fractional flow reserve (FFR), hyperemic stenosis resistance (h-SR), and vascular flow reserve (VFR) of the SFA with a pressure/Doppler flow sensor-tipped combination guidewire before and after endovascular therapy (EVT).

    Results: FFR, h-SR, and VFR changed significantly after EVT. h-SR was more strongly correlated with % area stenosis, measured by intravascular ultrasound than FFR (FFR: r=−0.716, h-SR: r=0.741, p<0.0001, respectively). However, VFR was not associated with % area stenosis. A receiver operating characteristic curve showed cut-offs h-SR >0.36 mmHg·sec/cm, and FFR <0.88 predicted >75% area stenosis with area under curves of 0.883 and 0.828, respectively.

    Conclusion: h-SR can indicate stenotic severity in an SFA focal lesion more prominently than FFR and may be a new physiological index to determine indication for EVT. VFR was not feasible for assessment in SFA focal stenosis.

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  • Hiroki Arase, Noriko Sugasawa, Youhei Kawatani, Mikio Sugano, Hirotsug ...
    2019 Volume 12 Issue 3 Pages 367-371
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: August 05, 2019
    JOURNALS FREE ACCESS

    Objective: To evaluate the relationship between systemic inflammatory biomarkers and efficacy of surgical treatment of primary varicose veins of the lower extremities.

    Methods: Total 12 patients who underwent endovenous laser ablation or stripping of varicose veins and six healthy subjects were enrolled. Structural and molecular changes of varices were assessed by immunohistochemical staining with anti-monocyte chemotactic protein-1 (MCP-1). MCP-1 and interleukin-6 (IL-6) levels in systemic antecubital blood were measured before and at 12 weeks after treatment.

    Results: Immunohistochemical staining revealed prominent manifestation of MCP-1-positive endothelial cells in the walls of varices. Preoperative serum MCP-1 and IL-6 levels in the patients were significantly higher than those in the control (166±12 pg/mL vs 99±10 pg/mL, p=0.003; 5.1±0.95 pg/mL vs 0.0±0.0 pg/mL, p=0.001, respectively). The values were significantly correlated with the severity of chronic venous insufficiency (CVI). Postoperative serum MCP-1 level significantly decreased compared with the preoperative level (152±10 pg/mL vs 166±12 pg/mL, p=0.048). The values after endovenous laser ablation did not significantly decrease compared with those after stripping.

    Conclusion: Varicose veins with CVI increase inflammatory biomarker levels in the local tissue and systemic blood. Appropriate treatment of symptomatic varicose veins decreases inflammatory biomarker levels.

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  • Hiromitsu Ohmori, Akiko Kada, Mashio Nakamura, Akiko M. Saito, Yoshita ...
    2019 Volume 12 Issue 3 Pages 372-378
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: August 14, 2019
    JOURNALS FREE ACCESS

    Objective: Patients with severe motor and intellectual disabilities (SMID) often develop complications, including paralysis of the extremities due to abnormal muscular tonicity. Furthermore, the incidence of sudden death, which may be caused by pulmonary thromboembolism (PTE), is approximately 4.2%. Deep vein thrombosis (DVT) is attracting attention as an embolic source. In this study, DVT was confirmed in SMID patients by lower extremity venous ultrasound. The oral anticoagulant, warfarin, and novel oral anticoagulant, edoxaban tosilate hydrate, were administered, and their efficacies and safeties were evaluated.

    Materials and Methods: DVT patients were randomly allocated to warfarin and edoxaban groups. The frequency of hemorrhagic events and incidence of adverse events were investigated to evaluate efficacy and safety.

    Results: DVT was detected in 14 (8.4%) out of 167 patients. Four (0.067/person-month) hemorrhagic events occurred in the warfarin group from subcutaneous hemorrhage due to bruises caused by postural changes. Three (0.042/person-month) events occurred in the edoxaban group due to nasal hemorrhage caused by tracheal aspiration. There was no significant difference (p=0.5383) between groups.

    Conclusion: No significant differences were observed in hemorrhagic events between SMID patients with DVT treated with warfarin and edoxaban.

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  • Hidemasa Saito, Hiromitsu Hayashi, Tatsuo Ueda, Takahiko Mine, Shin-ic ...
    2019 Volume 12 Issue 3 Pages 379-384
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: September 05, 2019
    JOURNALS FREE ACCESS

    Objective: To determine if there are changes in the aortic wall before acute aortic dissection (AD) that can be observed on contrast-enhanced computed tomography (CECT).

    Materials and Methods: Twenty-two patients with AD who underwent CECT before developing AD were retrospectively identified and enrolled as the AD group. Twenty-five consecutive patients who underwent CECT and did not develop AD were enrolled as the control group. In the AD group, the site of entry tear was detected on CECT images; the aortic wall thickness at this site, defined as the dissection-related wall thickness (D-T), was then measured on CECT images acquired before AD. Moreover, the mean thickness of the ascending, thoracic descending, and abdominal aortic walls before AD was defined as the non-dissection-related wall thickness (non-D-T). In the control group, the aortic wall thickness was measured similarly and defined as the control wall thickness (C-T). The D-T, non-D-T, and C-T values were compared using one-way analysis of variance with the Games–Howell pairwise comparison test.

    Results: The D-T (2.17±0.75 mm) was significantly greater than the non-D-T (1.58±0.22 mm; P<.01) and C-T (1.53±0.15 mm; P<.01).

    Conclusion: The aortic wall may have become thicker prior to the onset of AD.

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CASE REPORTS
  • Wakiko Hiranuma, Takuya Shimizu, Miki Takeda, Takayuki Matsuoka, Tadan ...
    2019 Volume 12 Issue 3 Pages 385-387
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: June 03, 2019
    JOURNALS FREE ACCESS

    Symptomatic carotid dissection, secondary to surgical repair of Stanford type A acute aortic dissection (AAD), requires prompt intervention. A 56-year-old man who underwent total arch replacement with frozen elephant trunk for AAD presented with left hemiplegia and unilateral spatial neglect 16 h after the surgery. Cerebral computed tomography (CT) revealed no fresh lesions, and CT angiography showed severe bilateral carotid dissection. The patient’s neurological symptoms improved soon after left subclavian-bilateral external carotid artery bypass to correct symptomatic severe right cerebral ischemia. Therefore, this technique can be a good option for symptomatic carotid dissection in selected patients.

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  • Yukinori Shinoda, Tetsuya Watanabe, Tomoko Minamisaka, Hidetada Fukuok ...
    2019 Volume 12 Issue 3 Pages 388-391
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: July 08, 2019
    JOURNALS FREE ACCESS

    An 80-year-old woman presented with general fatigue and leg edema for several months. Ultrasonography and contrast-enhanced computed tomographic angiography revealed inferior vena cava thrombosis, ilio-iliac arteriovenous fistula (AVF), and iliac artery pseudoaneurysm. Furthermore, malignant cells were observed in the aspirated thrombus. Although thrombus aspiration and anticoagulant therapy were unsuccessful in reducing the thrombotic mass and alleviating her symptoms, endovascular therapy for AVF and pseudoaneurysm improved her leg edema without recurrence or any endoleak. These findings highlight that endovascular therapy can be effective in older adults with cancer because of its low invasiveness.

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  • Masaru Nemoto, Akihiro Hosaka, Yutaka Takayama, Fuyo Yoshimi
    2019 Volume 12 Issue 3 Pages 392-394
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: July 12, 2019
    JOURNALS FREE ACCESS

    Acute aortic dissection can result in fatal conditions when associated with organ malperfusion. A rare complication of aortic dissection with organ malperfusion is ischemic pancreatitis with cholecystitis. Here, we present the case of acute type B aortic dissection complicated by concurrent acute ischemic pancreatitis and acalculous cholecystitis. Prompt diagnosis and specific multidisciplinary treatment are crucial to improving patient outcomes in cases of visceral ischemia.

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  • Sho Kusadokoro, Daijiro Hori, Ryo Itagaki, Koichi Adachi, Atsushi Yama ...
    2019 Volume 12 Issue 3 Pages 395-397
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: July 18, 2019
    JOURNALS FREE ACCESS

    A 64-year-old man with prior history of total arch replacement with frozen elephant trunk was admitted for an enlarging descending thoracic aortic aneurysm. Preoperative computed tomography revealed previously implanted J graft open stent graft, a frozen elephant trunk device approved in Japan, with enlarged dissected aortic aneurysm from distal anastomosis site to the level of the diaphragm. The patient underwent descending aortic replacement. Proximal anastomosis was directly performed at the distal end of the previously implanted J graft open stent graft. Hemostasis at the anastomosis site was uneventful and the patient was discharged from the hospital without any aneurysm-related complication.

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  • Yoshitaka Yamane, Keijiro Katayama, Shinya Takahashi, Tatsuya Kurosaki ...
    2019 Volume 12 Issue 3 Pages 398-400
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: July 31, 2019
    JOURNALS FREE ACCESS

    We present a case of aorto–esophageal fistula (AEF) caused by distal stent graft-induced new entry (dSINE) after the frozen elephant trunk (FET) technique for chronic aortic dissection. We propose that the combination of the spring-back force and the radial force of the FET may play a role in the occurrence of dSINE, leading to AEF. In this case, we successfully performed a three-stage surgery, including esophagectomy, descending aortic replacement, and esophageal reconstruction. To prevent this critical complication, additional endovascular aortic repair should be performed if the FET is not positioned at the straight portion of the descending aorta.

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  • Kengo Nishimura, Takafumi Hamasaki, Rikako Ota, Yuki Matsuoka, Wataru ...
    2019 Volume 12 Issue 3 Pages 401-403
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: July 12, 2019
    JOURNALS FREE ACCESS

    We report a very rare case of a ruptured abdominal aortic aneurysm (AAA) with an anomaly of the inferior vena cava (IVC). The AAA was covered with a large hematoma and an expanded vein was on its left side. It was not until we could not locate the IVC on the right side of AAA that we recognized the anomaly during the operation. Although we reviewed the findings on enhanced computed tomography, we were confused whether the case was a duplicated or left-sided IVC. Subsequently, a bifurcated vascular prosthesis was implanted without ligation of the left renal vein to join the left-sided IVC.

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  • Yuki Mochida, Hiroyuki Morinaga, Yusuke Shimizu, Takaaki Sakamoto, Yas ...
    2019 Volume 12 Issue 3 Pages 404-407
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: August 23, 2019
    JOURNALS FREE ACCESS

    We encountered a case of hepatic malperfusion resulting from central repair for Stanford type A acute aortic dissection (AAD). A 78-year-old woman had AAD, for which ascending aortic repair was performed. Hepatic malperfusion developed 3 days postoperatively. The superior mesenteric and celiac arteries were occluded by a false lumen (FL). We believed that the surgery caused a change in the blood flow in FL. Percutaneous transluminal angioplasty and stenting of the superior mesenteric artery were performed, and the patient’s condition improved. Thus, intervention for the branched artery should be performed prior to central repair, depending on the type of malperfusion.

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HOW TO DO IT
  • Hiroshi Mitsuoka, Yuta Miyano, Yasuhiko Terai, Shinnosuke Goto, Shinji ...
    2019 Volume 12 Issue 3 Pages 408-411
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: July 05, 2019
    JOURNALS FREE ACCESS
    Supplementary material

    The GORE EXCLUDER Iliac Branch Endoprosthesis (IBE; W. L. Gore and Associates, Flagstaff, AZ, USA) applicability is limited by the aorto-iliac length (AOL). The shortage may be a major exclusion criterion. An 85-year-old male presented with an abdominal aortic and left common iliac arterial aneurysm. The left-side AOL was 146-mm, which was deemed 19-mm too short for IBE usage. To increase implantation length, the contra-lateral connection stent graft was deployed along the implantation line, wound half-circumferentially around the ipsilateral limb. Any form of endoleak, limb occlusion, and device migration has not been observed for twelve months.

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Annual Report
  • The Japanese Society for Vascular Surgery JCLIMB Committee, NCD JCLIMB ...
    2019 Volume 12 Issue 3 Pages 412-436
    Published: September 25, 2019
    Released: September 27, 2019
    [Advance publication] Released: July 31, 2019
    JOURNALS FREE ACCESS
    Supplementary material

    Since 2013, the Japanese Society for Vascular Surgery started the project of nationwide registration and tracking database for patients with critical limb ischemia (CLI) treated by vascular surgeons. The purpose of this project is to clarify the current status of the medical practice for the patients with CLI to contribute to the improvement of the quality of medical care. This database, called JAPAN Critical Limb Ischemia Database (JCLIMB), is created on the National Clinical Database (NCD) and collects the data of patients’ background, therapeutic measures, early results, and long-term prognosis as long as five years after the initial treatment. The limbs managed conservatively are also registered in JCLIMB, together with those treated by surgery and/or endovascular treatment. The basic and early prognostic data of CLI, registered during the four years from 2013 to 2016, have been reported as annual reports. In this paper, for the purpose of clarifying the picture of clinical practice of CLI in Japan, we have compiled these data over the past four years. (This is a translation of Jpn J Vasc Surg 2019; 28: 219-247.)

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