1
|
Hamdan R, Precup CG, Falchero C, Baldassini AL, Castillo C. Acute Thrombosis of an Aneurysm of the Small Saphenous Vein: A Case Report. Vasc Endovascular Surg 2024; 58:350-356. [PMID: 37946330 DOI: 10.1177/15385744231215571] [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: 11/12/2023]
Abstract
BACKGROUND A venous aneurysm (VA) is a focal dilatation of a nonvariceal vein (diameter increased by at least 1.5 times compared to the adjacent upstream or downstream venous segment), which carries a risk of venous thromboembolism (VTE) when located in the deep veins of the lower limbs but also when it affects the veins above the muscle fascia. CASE We report the case of a 40-year-old woman who presented with a painful and disabling mass-like lesion of the upper third of the right calf. A Doppler ultrasound (DUS) examination revealed a small saphenous vein (SSV) dilated at the saphenopopliteal junction (SPJ) and thrombosed along its entire length. Anticoagulant treatment was initiated but although the thrombosis regressed on DUS, the functional impotence and the persistence of pain prompted a stripping of the SSV. Histology allowed the diagnosis of SSV's primary aneurysm. DISCUSSION Dilated segments of the saphenous vein are not always varicose veins (VVs). True VAs can develop on veins located above the muscular fascia and, like deep VAs, may trigger VTE. Small saphenous vein aneurysms have seldom been reported, and only a few clinical observations have described the thrombosis of a SSV aneurysm. Any mass in the popliteal fossa or upper part of the calf should be examined by DUS to look for an SSV aneurysm. Excision of the saphenous vein with junctional ligation is advised if thrombosis is present at the time of diagnosis.
Collapse
Affiliation(s)
- Rémy Hamdan
- Department of Vascular Medicine, Mâcon Hospital, Mâcon, France
| | - Calin Gheorge Precup
- Department of Vascular Surgery, Hôpitaux Nord-Ouest de Villefranche-sur-Saône, Gleizé, France
| | - Catherine Falchero
- Department of Vascular Medicine, Hôpitaux Nord-Ouest de Villefranche-sur-Saône, Gleizé, France
| | | | | |
Collapse
|
2
|
Athavale A, Monahan D, Fukaya E. A systematic review on ablation techniques for larger saphenous veins in patients with symptomatic superficial venous disease. J Vasc Surg Venous Lymphat Disord 2024; 12:101681. [PMID: 37703943 DOI: 10.1016/j.jvsv.2023.08.020] [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] [Received: 07/19/2023] [Revised: 08/16/2023] [Accepted: 08/28/2023] [Indexed: 09/15/2023]
Abstract
OBJECTIVE The aim of this study was to summarize the existing evidence for the treatment of saphenous veins >10 mm in diameter, to determine whether there were vein size limits for treatment modalities, and to determine if there are specific technical considerations for treatment of large veins. METHODS We searched the literature for reports of treatment methods and outcomes for patients with large-diameter saphenous veins treated with various ablation methods between 1993 and 2023. These studies were evaluated for the size of the vein determined as "large diameter," type of ablation method, study type, outcomes, adverse events, and any technical considerations noted. A systematic review was conducted and reported according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) methodology. The COVIDENCE software was used for full-text screening and data extraction. Three reviewers reviewed the data, and the content expert served as the tiebreaker. RESULTS Seventy-one records were identified, of which 24 studies were deemed appropriate for extraction. Most of the studies identified reported outcomes of endovenous thermal ablation modalities. There were fewer studies on non-thermal, non-tumescent techniques, and these studies reported an overall lower occlusion rate compared with endovenous thermal ablation techniques. CONCLUSIONS Large head-to-head trials or randomized controlled that compare all the modalities over a long follow-up duration are yet to be performed. In the existing literature, there is considerable heterogeneity in terms of the study size, design, definition of large veins, site of vein measurement, and follow-up periods, making it challenging to make fair comparisons and draw firm conclusions. Currently available evidence supports the use of endothermal ablation techniques for the treatment of veins >10 mm in diameter as they have a more favorable efficacy and safety profile and have a larger body of evidence available compared with non-thermal, non-tumescent techniques or surgery.
Collapse
Affiliation(s)
- Anand Athavale
- Division of Vascular Surgery, Stanford University School of Medicine, Palo Alto, CA
| | | | - Eri Fukaya
- Division of Vascular Surgery, Stanford University School of Medicine, Palo Alto, CA.
| |
Collapse
|
3
|
Gloviczki P, Lawrence PF, Wasan SM, Meissner MH, Almeida J, Brown KR, Bush RL, Di Iorio M, Fish J, Fukaya E, Gloviczki ML, Hingorani A, Jayaraj A, Kolluri R, Murad MH, Obi AT, Ozsvath KJ, Singh MJ, Vayuvegula S, Welch HJ. The 2023 Society for Vascular Surgery, American Venous Forum, and American Vein and Lymphatic Society clinical practice guidelines for the management of varicose veins of the lower extremities. Part II: Endorsed by the Society of Interventional Radiology and the Society for Vascular Medicine. J Vasc Surg Venous Lymphat Disord 2024; 12:101670. [PMID: 37652254 DOI: 10.1016/j.jvsv.2023.08.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 08/20/2023] [Indexed: 09/02/2023]
Abstract
The Society for Vascular Surgery, the American Venous Forum, and the American Vein and Lymphatic Society recently published Part I of the 2022 clinical practice guidelines on varicose veins. Recommendations were based on the latest scientific evidence researched following an independent systematic review and meta-analysis of five critical issues affecting the management of patients with lower extremity varicose veins, using the patients, interventions, comparators, and outcome system to answer critical questions. Part I discussed the role of duplex ultrasound scanning in the evaluation of varicose veins and treatment of superficial truncal reflux. Part II focuses on evidence supporting the prevention and management of varicose vein patients with compression, on treatment with drugs and nutritional supplements, on evaluation and treatment of varicose tributaries, on superficial venous aneurysms, and on the management of complications of varicose veins and their treatment. All guidelines were based on systematic reviews, and they were graded according to the level of evidence and the strength of recommendations, using the GRADE method. All ungraded Consensus Statements were supported by an extensive literature review and the unanimous agreement of an expert, multidisciplinary panel. Ungraded Good Practice Statements are recommendations that are supported only by indirect evidence. The topic, however, is usually noncontroversial and agreed upon by most stakeholders. The Implementation Remarks contain technical information that supports the implementation of specific recommendations. This comprehensive document includes a list of all recommendations (Parts I-II), ungraded consensus statements, implementation remarks, and best practice statements to aid practitioners with appropriate, up-to-date management of patients with lower extremity varicose veins.
Collapse
Affiliation(s)
- Peter Gloviczki
- Division of Vascular and Endovascular Surgery, Gonda Vascular Center, Mayo Clinic, Rochester, MN.
| | - Peter F Lawrence
- Division of Vascular and Endovascular Surgery, Department of Surgery, University of California, Los Angeles, CA
| | - Suman M Wasan
- Department of Medicine, University of North Carolina, Chapel Hill, Rex Vascular Specialists, UNC Health, Raleigh, NC
| | - Mark H Meissner
- Division of Vascular Surgery, University of Washington, Seattle, WA
| | - Jose Almeida
- Division of Vascular and Endovascular Surgery, University of Miami Miller School of Medicine, Miami, FL
| | | | - Ruth L Bush
- John Sealy School of Medicine, University of Texas Medical Branch, Galveston, TX
| | | | - John Fish
- Department of Medicine, Jobst Vascular Institute, University of Toledo, Toledo, OH
| | - Eri Fukaya
- Division of Vascular Surgery, Stanford University, Stanford, CA
| | - Monika L Gloviczki
- Department of Internal Medicine and Gonda Vascular Center, Rochester, MN
| | | | - Arjun Jayaraj
- RANE Center for Venous and Lymphatic Diseases, Jackson, MS
| | - Raghu Kolluri
- Heart and Vascular Service, OhioHealth Riverside Methodist Hospital, Columbus, OH
| | - M Hassan Murad
- Evidence Based Practice Center, Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, MN
| | | | | | | | | | | |
Collapse
|
4
|
Braet DJ, Loi K, Stabler C, Vemuri C, Coleman DM, Obi AT, Wakefield TW. Thromboembolic outcomes are decreased with the use of a standardized venous thromboembolism risk assessment and prophylaxis protocol for patients undergoing superficial venous procedures. J Vasc Surg Venous Lymphat Disord 2023; 11:928-937.e1. [PMID: 37127256 DOI: 10.1016/j.jvsv.2023.04.008] [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] [Received: 03/13/2023] [Revised: 04/11/2023] [Accepted: 04/21/2023] [Indexed: 05/03/2023]
Abstract
OBJECTIVE Patients with venous insufficiency can be treated with ablation or phlebectomy, or both. Patients undergoing superficial venous procedures have an elevated risk of deep vein thrombosis (DVT) and pulmonary embolism (PE). At our institution, we initiated a standardized protocol in which patients with a Caprini score (2005 version) of ≥8 are treated with 1 week of prophylactic anticoagulation after the procedure. Duplex ultrasound was performed at 1 week and then within 90 days after the procedure. This aim of the present study was to determine the thrombotic and clinical outcomes after superficial vein procedures using a standardized protocol for DVT/PE risk assessment and prophylaxis. METHODS We performed a retrospective analysis of prospectively collected data of superficial vein procedures from 2015 to 2021 at a single center. The patient demographics, CEAP (Clinical-Etiology-Anatomy-Pathophysiology) clinical class, venous clinical severity score, patient-reported outcomes, treatment type, Caprini scores, pre- and postoperative anticoagulation use, and outcomes were collected. Descriptive statistics were used for the patient demographics, procedure details, and unadjusted surgical outcomes. Multivariable logistic regression was used to evaluate the relationship between procedure type and DVT and PE after adjusting for patient characteristics, disease severity, periprocedural anticoagulation, and Caprini score. RESULTS A total of 1738 limbs were treated with ablation (n = 820), phlebectomy (n = 181), or ablation and phlebectomy (n = 737). More patients were women (67.1%) and White (90.9%). The overall incidence of DVT/PE was 1.4%. Patients undergoing ablation with phlebectomy had higher rates of DVT/PE (2.7%) than those undergoing ablation (0.2%) or phlebectomy alone (1.7%; P < .01). However, only 30% of DVTs were above the knee. On multivariate analysis, only the procedure type predicted for DVT/PE. However, patients undergoing ablation and phlebectomy achieved better patient-reported outcomes (Caprini score, 5.9) compared with those undergoing ablation (Caprini score, 7.2) or phlebectomy (Caprini score, 7.9) alone (P < .01). The best improvement in the venous clinical severity score was seen with phlebectomy alone. CONCLUSIONS The expected difference in the DVT/PE rates between high- and low-risk groups did not materialize in our patients, perhaps secondary to the additional chemoprophylaxis prescribed for the high-risk cohort (Caprini score, ≥8). These results call for a randomized trial to assess the efficacy of a standardized protocol in the reduction of DVT/PE after superficial vein procedures.
Collapse
Affiliation(s)
- Drew J Braet
- Section of Vascular Surgery, Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI, USA
| | - Kyle Loi
- Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI, USA
| | - Cathy Stabler
- Section of Vascular Surgery, Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI, USA
| | - Chandu Vemuri
- Section of Vascular Surgery, Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI, USA
| | - Dawn M Coleman
- Section of Vascular Surgery, Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI, USA; Division of Vascular Surgery, Department of Surgery, Duke University School of Medicine, Durham, NC
| | - Andrea T Obi
- Section of Vascular Surgery, Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI, USA
| | - Thomas W Wakefield
- Section of Vascular Surgery, Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI, USA.
| |
Collapse
|
5
|
Moreno O, Kumar K, Wakefield T, Obi A. Saphenous vein aneurysms characterization and treatment: A 36-year single center experience. Phlebology 2023:2683555231181858. [PMID: 37276249 DOI: 10.1177/02683555231181858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
BACKGROUND Superficial vein aneurysms (SVA) are rare vascular pathologies associated with trauma, chronic venous disease, and venous malformation. METHOD We retrospectively reviewed cases of SVA treated from 1986 to 2022. RESULTS Out of 2463 venous procedures, 16 patients were found with 19 GSV and 1 SSV aneurysms, with 88% presenting with a palpable mass. Varicose veins were noted in 94% of patients, 81% had concomitant reflux, 15% had thrombus within the aneurysm sac, and 19% demonstrated multiple aneurysms. All patients underwent ligation and excision. Post-procedure, 55% of patients received anticoagulants, and 85% received compression. Mean follow-up was 19.4 months, with no aneurysm recurrence. We propose a modification to the current SVA classification. CONCLUSION The prevalence of multiple aneurysms suggests the need for complete limb imaging in affected patients. Surgical management of SVA was effective in preventing SVA recurrence, while the proposed classification modification will aid in future SVA management.
Collapse
Affiliation(s)
- Oscar Moreno
- Department of Vascular Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Kiran Kumar
- Department of Vascular Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Thomas Wakefield
- Department of Vascular Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Andrea Obi
- Department of Vascular Surgery, University of Michigan, Ann Arbor, MI, USA
| |
Collapse
|
6
|
Pavlović MD, Schuller SS, Head MM, Kaiser D, Jerše M, Schuller Petrović S. Safety and effectiveness of indirect radiofrequency ablation (closure FAST) of incompetent great saphenous veins with Type I aneurysms: Long-term results radiofrequency ablation for saphenous aneurysms. Phlebology 2023; 38:129-132. [PMID: 36592349 DOI: 10.1177/02683555221149273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
BACKGROUND Assess the safety and effectiveness of indirect radiofrequency ablation (RFA, Closure FAST) for the treatment of incompetent great saphenous veins (GSVs) with type 1 aneurysms. METHODS This was a retrospective analysis performed in three centers (2007-2021). All patients presenting with saphenous aneurysms close to the junction (within 2 cm) were included. They were treated with RFA. Phlebectomies and/or sclerotherapy were performed during the same treatment session. Duplex ultrasound (DUS) was performed early after the procedure and then, more than a year later. RESULTS Eight patients (11 limbs) were included between June 2007 and May 2021 with a median diameter of the GSV aneurysm 21 mm (IQR 17.2-23.4). No severe adverse events occurred apart from one endovenous heat-induced thrombosis (EHIT) class III (9.1%). After more than a year (mean 7.2 ± 4.2, median 8 years), none of the aneurysms was present on DUS and the truncal obliteration rate was 100%. CONCLUSION RFA appears to be a safe and effective treatment for patients presenting with incompetent saphenous veins with the type 1 aneurysm.
Collapse
Affiliation(s)
- Miloš D Pavlović
- Medical Faculty, 54765University of Maribor, Nova Gorica, Slovenia
| | | | - Mark M Head
- VENEX®--Center for SKIN & VEINS, Vienna, Austria
| | - David Kaiser
- Medical Faculty, Ringgold: 37664University of Ljubljana, Ljubljana, Slovenia
| | - Maruša Jerše
- Medical Faculty, Ringgold: 37664University of Ljubljana, Ljubljana, Slovenia
| | | |
Collapse
|
7
|
[Minimally invasive catheters in varicose vein treatment : New gold standard?]. DERMATOLOGIE (HEIDELBERG, GERMANY) 2023; 74:163-170. [PMID: 36811641 PMCID: PMC9981706 DOI: 10.1007/s00105-023-05113-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 01/12/2023] [Indexed: 02/24/2023]
Abstract
BACKGROUND Endovenous procedures are commonly used for varicose vein treatment. OBJECTIVES Types, functionality, and significance of endovenous devices. METHODS To describe the different endovenous devices, their mode of action, inherent risks and efficacy according to the literature. RESULTS Long-term data confirm that endovenous procedures are equally effective as open surgery. Postoperative pain is minimal and downtime shorter after catheter interventions. CONCLUSION Catheter-based endovenous procedures increase the diversity of varicose vein treatment options. They are preferred by patients due to less pain and shorter downtime.
Collapse
|
8
|
Gao RD, Qian SY, Wang HH, Liu YS, Ren SY. Strategies and challenges in treatment of varicose veins and venous insufficiency. World J Clin Cases 2022; 10:5946-5956. [PMID: 35949828 PMCID: PMC9254182 DOI: 10.12998/wjcc.v10.i18.5946] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 03/26/2022] [Accepted: 04/26/2022] [Indexed: 02/06/2023] Open
Abstract
Patients with varicose veins can be treated with conservative or surgical approaches based on the clinical conditions and patient preferences. In the recent decade, the recommendations for managing symptomatic varicose veins have changed dramatically due to the rise of minimally invasive endovascular techniques. The literature was systematically searched on Medline without language restrictions. All papers on the treatment of varicose veins and venous insufficiency with different procedures were included and reviewed. Endovenous laser ablation (EVLA) and radiofrequency ablation (RFA) both are same safe and effective in terms of occlusion rate, and time to return to normal activity. In comparison with RFA or EVLT, Cure conservatrice et Hemodynamique de l'Insufficience Veineuse en Ambulatoire (CHIVA) may cause more bruising and make little or no difference to rates of limb infection, superficial vein thrombosis, nerve injury, or hematoma. In terms of recurrence of varicose veins, there is little or no difference between CHIVA and stripping, RFA, or EVLT. Great saphenous vein recanalization is highest in the ultrasound-guided foam sclerotherapy (FS) group (51%) during 1 year of follow-up. The 2013 National Institute for Health and Care Excellence clinical guidelines recommend surgery as a third-line therapeutic option after EVLA or RFA and sclerotherapy. Although the mechanochemical endovenous ablation (MOCA) is a non-thermal, non-tumescent option and appears to be of similar efficacy to stab avulsion with no potential risk of nerve damage, the overall success rate of MOCA is lower than those of other procedures such as EVLA, RFA, or high ligation and stripping. EVLA is the most cost-effective therapeutic option, with RFA being a close second for the treatment of patients with varicose veins. Endovenous thermal ablation (EVLA or RFA) is recommended as a first-line treatment for varicose veins and has substituted the high ligation of saphenofemoral junctional reflux and stripping of varicose veins. Ultrasound-guided FS is associated with a high recurrence rate and can be used in conjunction with other procedures. MOCA and cyanoacrylate embolization appear promising, but evidence of their effectiveness is required.
Collapse
Affiliation(s)
- Rong-Ding Gao
- Department of Laser and Vascular Surgery, Aviation General Hospital, China Medical University, Beijing 100012, China
| | - Song-Yi Qian
- Department of Cardiac Surgery, Zhongshan Hospital (Xiamen Brach), Fudan University, Xiamen 361015, Fujian Province, China
| | - Hai-Hong Wang
- Department of Peripheral Vascular Disease, The Affiliated Hospital of Shanxi University of Chinese Medicine, Taiyuan 030024, Shanxi Province, China
| | - Yong-Sheng Liu
- Department of Dermatology, Aviation General Hospital, China Medical University, Beijing 100012, China
| | - Shi-Yan Ren
- Department of Laser and Vascular Surgery, Aviation General Hospital, China Medical University, Beijing 100012, China
| |
Collapse
|
9
|
De Maeseneer MG, Kakkos SK, Aherne T, Baekgaard N, Black S, Blomgren L, Giannoukas A, Gohel M, de Graaf R, Hamel-Desnos C, Jawien A, Jaworucka-Kaczorowska A, Lattimer CR, Mosti G, Noppeney T, van Rijn MJ, Stansby G, Esvs Guidelines Committee, Kolh P, Bastos Goncalves F, Chakfé N, Coscas R, de Borst GJ, Dias NV, Hinchliffe RJ, Koncar IB, Lindholt JS, Trimarchi S, Tulamo R, Twine CP, Vermassen F, Wanhainen A, Document Reviewers, Björck M, Labropoulos N, Lurie F, Mansilha A, Nyamekye IK, Ramirez Ortega M, Ulloa JH, Urbanek T, van Rij AM, Vuylsteke ME. Editor's Choice - European Society for Vascular Surgery (ESVS) 2022 Clinical Practice Guidelines on the Management of Chronic Venous Disease of the Lower Limbs. Eur J Vasc Endovasc Surg 2022; 63:184-267. [PMID: 35027279 DOI: 10.1016/j.ejvs.2021.12.024] [Citation(s) in RCA: 224] [Impact Index Per Article: 112.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 11/12/2021] [Indexed: 01/12/2023]
|
10
|
Aggarwal V. Pathogenesis and management of superficial venous aneurysms through a case of thrombosed large great saphenous vein aneurysm. Vascular 2020; 29:297-300. [PMID: 32829698 DOI: 10.1177/1708538120949720] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Superficial venous aneurysms are uncommon entities though venous Doppler has facilitated the detection of asymptomatic small aneurysms. Thromboembolic complications are rare with superficial venous aneurysms. The data regarding optimal therapy and pathogenesis of superficial venous aneurysm is sparse and is limited to isolated case reports. METHODS Here, we present an unusual case of thrombosed large great saphenous vein aneurysm which was managed with Doppler, preoperative anticoagulation and surgical excision. RESULTS AND CONCLUSION This paper is intended to review the current knowledge about the pathogenesis of superficial venous aneurysm of lower extremities, their optimal management and to guide future research in this area.
Collapse
Affiliation(s)
- Vaibhav Aggarwal
- Department of Surgery, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| |
Collapse
|
11
|
Wu Z, Ma Y. Endovenous Thermal Ablation for Incompetent Saphenous Veins With an Aneurysm Close to the Junction: Useful or Not? Eur J Vasc Endovasc Surg 2019; 58:941-942. [PMID: 31474493 DOI: 10.1016/j.ejvs.2019.07.043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 07/23/2019] [Indexed: 02/05/2023]
Affiliation(s)
- Zhoupeng Wu
- Department of Vascular Surgery, West China Hospital, Chengdu, Sichuan Province, China
| | - Yukui Ma
- Department of Vascular Surgery, West China Hospital, Chengdu, Sichuan Province, China.
| |
Collapse
|