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Munteanu K, Ghirlea O, Breban-Schwarzkopf D, Dănilă AI, Iacob RG, Petrache IA, Cozma GV, Bordianu A, Bolintineanu SL. The Great Saphenous Vein Proximal Part: Branches, Anatomical Variations, and Their Implications for Clinical Practice and Venous Reflux Surgery. J Cardiovasc Dev Dis 2024; 11:242. [PMID: 39195150 DOI: 10.3390/jcdd11080242] [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: 06/09/2024] [Revised: 08/03/2024] [Accepted: 08/05/2024] [Indexed: 08/29/2024] Open
Abstract
The anatomical variations in the lower limb veins play a critical role in venous reflux surgeries. This study presents an analysis of the great saphenous vein (GSV) proximal part's anatomical peculiarities, with 257 patients included, who were operated for venous reflux. This study highlighted a progressive increase in the GSV diameter in conjunction with the complexity of the anatomical variations, ranging from no tributaries to more than five tributaries, an anterior accessory GSV, or venous aneurysms. Statistical analysis evidenced this expansion to be significantly correlated with the variations. Additionally, the progression of the chronic venous disease (CVD) stages was notably more prevalent in the complex anatomical variations, suggesting a nuanced interplay between the GSV anatomy and CVD severity. Conclusively, our research articulates the paramount importance of recognizing GSV anatomical variations in optimizing surgical outcomes for CVD patients. These insights not only pave the way for enhanced diagnostic accuracy but also support the strategic framework within which surgical and interventional treatments are devised, advocating for personalized approaches to venous reflux surgery.
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Affiliation(s)
- Krisztina Munteanu
- Department of Anatomy and Embryology, "Victor Babeş" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
| | - Ovidiu Ghirlea
- Abdominal Surgery and Phlebology Research Center, "Victor Babeş" University of Medicine and Pharmacy Timisoara, 300041 Timisoara, Romania
| | - Daniel Breban-Schwarzkopf
- Department of Anatomy and Embryology, "Victor Babeş" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
| | - Alexandra-Ioana Dănilă
- Department of Anatomy and Embryology, "Victor Babeş" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
| | - Roxana-Georgeta Iacob
- Department of Anatomy and Embryology, "Victor Babeş" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
| | - Ioan Adrian Petrache
- Department of Surgical Semiology, Faculty of Medicine, "Victor Babeş" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
- Thoracic Surgery Research Center, "Victor Babeş" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
| | - Gabriel Veniamin Cozma
- Department of Surgical Semiology, Faculty of Medicine, "Victor Babeş" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
- Thoracic Surgery Research Center, "Victor Babeş" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
| | - Anca Bordianu
- Department of Plastic Surgery and Reconstructive Microsurgery, "Bagdasar-Arseni" Emergency Hospital Bucharest, "Carol Davila" University of Medicine and Pharmacy Bucharest, 020021 Bucharest, Romania
| | - Sorin Lucian Bolintineanu
- Department of Anatomy and Embryology, "Victor Babeş" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
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Kienzl P, Deinsberger J, Weber B. Chronic Venous Disease: Pathophysiological Aspects, Risk Factors, and Diagnosis. Hamostaseologie 2024; 44:277-286. [PMID: 38991541 DOI: 10.1055/a-2315-6206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2024] Open
Abstract
Chronic venous disease (CVD) is highly prevalent in the general population and encompasses a range of pathological and hemodynamic changes in the veins of the lower extremities. These alterations give rise to a variety of symptoms, with more severe forms resulting in venous ulceration, which causes morbidity and high socioeconomic burden. The origins and underlying mechanisms of CVD are intricate and multifaceted, involving environmental factors, genetics, hormonal factors, and immunological factors that bring about structural and functional alterations in the venous system. This review offers the latest insights into the epidemiology, pathophysiology, and risk factors of CVD, aiming to provide a comprehensive overview of the current state of knowledge. Furthermore, the diagnostic approach for CVD is highlighted and current diagnostic tools are described.
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Affiliation(s)
- Philip Kienzl
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Julia Deinsberger
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Benedikt Weber
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
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3
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Liu P, Huang J, Zhang X, Yang R, Yang S, Chen L, Gao Y. Application of the ankle pump method in a sitting position to evaluate calf perforating veins by color Doppler ultrasound. J Vasc Surg Venous Lymphat Disord 2024; 12:101897. [PMID: 38679143 DOI: 10.1016/j.jvsv.2024.101897] [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: 02/08/2024] [Revised: 04/08/2024] [Accepted: 04/11/2024] [Indexed: 05/01/2024]
Abstract
OBJECTIVE We investigated the feasibility and efficacy of assessing calf perforating veins (PVs) using the ankle pump in a sitting position (AP-sit) method by color Doppler ultrasound. METHODS We performed a multicenter prospective clinical trial between November 2022 and October 2023. Eligible patients with chronic venous disease and healthy controls were enrolled. The calf PVs were assessed using three different methods: manual compression in a standing position, manual compression in a sitting position, and AP-sit method. The reflux durations and detection rate of incompetent PVs (IPVs) were compared among the three methods. The number and diameter of calf PVs and distribution of IPVs were analyzed. RESULTS A total of 50 patients with chronic venous disease and 50 healthy controls were included. There were 173 calves analyzed, including 97 healthy calves and 76 calves with chronic venous disease. The number of PVs per calf was higher in the diseased calves (median, 7.0; interquartile range [IQR], 6.0-8.0) than in the healthy calves (median, 5.0; IQR, 3.0-6.0; P < .001). The diameter of IPVs (median, 2.3 mm; IQR, 2.0-3.1 mm) was larger than that of competent PVs (median, 1.4 mm; IQR, 1.2-1.7 mm). Most of the IPVs (78.8%) were located in the medial and posterior middle of the calf. The reflux duration induced by the AP-sit method was greater than that induced by the manual compression methods (P < .001). Although the AP-sit method had a higher detection rate (92.0%) of IPVs than the manual compression methods (71.7% and 74.3% for standing and sitting, respectively; P < .001), especially in the distal lower leg, the manual compression methods found IPVs not found using the AP-sit method. CONCLUSIONS Diseased calves with chronic venous disease have more PVs than do healthy calves. IPVs are commonly larger than competent PVs, with most IPVs located in the medial and posterior middle of the calf. Most importantly, the AP-sit method provides a convenient and effective approach for assessing the calf PVs, especially those located in the distal calf, as an alternative or complementary method to traditional manual compression, which is valuable in the daily practice of sonographers.
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Affiliation(s)
- Peipei Liu
- Department of Ultrasound, The Third Medical Center of Chinese PLA General Hospital, The Training Site for Postgraduate of Jinzhou Medical University, Beijing, China; Department of Ultrasound Medicine, The Peking University Third Hospital, Beijing, China
| | - Jianxing Huang
- Department of Ultrasound, The Third Medical Center of Chinese PLA General Hospital, The Training Site for Postgraduate of Jinzhou Medical University, Beijing, China
| | - Xueju Zhang
- Department of Ultrasound Medicine, The Peking University Third Hospital, Beijing, China
| | - Ruolin Yang
- Department of Ultrasound Medicine, The Peking University Third Hospital, Beijing, China
| | - Shiyuan Yang
- Department of Ultrasound Medicine, The Capital International Airport Hospital of the Peking University Third Hospital, Beijing, China
| | - Lingli Chen
- Department of Ultrasound Medicine, The Capital International Airport Hospital of the Peking University Third Hospital, Beijing, China
| | - Yongyan Gao
- Department of Ultrasound, The Third Medical Center of Chinese PLA General Hospital, The Training Site for Postgraduate of Jinzhou Medical University, Beijing, China.
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Dolibog PT, Dolibog P, Bergler-Czop B, Grzegorczyn S, Chmielewska D. The Efficacy of Extracorporeal Shockwave Therapy Compared with Compression Therapy in Healing Venous Leg Ulcers. J Clin Med 2024; 13:2117. [PMID: 38610882 PMCID: PMC11012410 DOI: 10.3390/jcm13072117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 03/13/2024] [Accepted: 04/02/2024] [Indexed: 04/14/2024] Open
Abstract
Background: Innovative methods of physical therapy delivered via modern medical devices have significantly extended the possibility of applying conservative treatments in healing venous leg ulcers. The primary objective of this study was to compare the therapeutic efficacy of selected mechanical physical therapies (intermittent pneumatic compression vs. radial extracorporeal shockwave vs. focal extracorporeal shockwave) vs. standard care in the treatment of venous leg ulcers over a 4-week period. Materials: This study included 69 patients, comprising 45 females (65%) and 24 males (35%), with a mean age of 67.1 ± 8.6 years (range: from 52.0 to 80.0 years). Methods: The patients were allocated into four groups: the IPC group was treated with intermittent pneumatic compression therapy, the R-ESWT group was treated with radial extracorporeal shockwave therapy, the F-ESWT group was treated with focal extracorporeal shockwave therapy, and the SC group was treated with standard care. Results: After one month of therapy, the median percentage decrease in wound total surface area after treatment was as follows: in the IPC group, there was a 52.9% decrease (range: 3.3-100%); in the R-ESWT group, there was a 31.6% decrease (range: 2.4-95.8%); in the F-ESWT group, there was an 18.0% decrease (range: 1.9-76.1%); and in the SC group, there was a 16.0% decrease (range: 1.5-45.8%). Conclusions: All the studied therapies caused a statistically significant reduction in the surface area of venous leg ulcers. The best results were observed with the intermittent pneumatic compression, while the radial and focal extracorporeal shockwave therapies appeared less effective. The standard care alone turned out to be the least effective. Our results did not show statistically significant changes in the values of RBC deformability at the investigated shear rates.
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Affiliation(s)
- Paweł T. Dolibog
- Department of Biophysics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 19 H. Jordan Str., 41-808 Zabrze, Poland;
| | - Patrycja Dolibog
- Department of Medical Biophysics, Faculty of Medical Sciences in Katowice, Medical University of Silesia, 18 Medyków Str., 40-752 Katowice, Poland;
| | - Beata Bergler-Czop
- Department of Dermatology, Medical University of Silesia in Katowice, 20-24 Francuska Str., 40-027 Katowice, Poland;
| | - Sławomir Grzegorczyn
- Department of Biophysics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, 19 H. Jordan Str., 41-808 Zabrze, Poland;
| | - Daria Chmielewska
- Electromyography and Pelvic Floor Muscles Laboratory, Institute of Physiotherapy and Health Sciences, Department of Physical Medicine, The Jerzy Kukuczka Academy of Physical Education, 72a Mikołowska Str., 40-065 Katowice, Poland;
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Chung JH, Heo S. Varicose Veins and the Diagnosis of Chronic Venous Disease in the Lower Extremities. J Chest Surg 2024; 57:109-119. [PMID: 37994090 DOI: 10.5090/jcs.23.110] [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: 08/14/2023] [Revised: 10/02/2023] [Accepted: 10/24/2023] [Indexed: 11/24/2023] Open
Abstract
Varicose veins usually present in the superficial veins of the lower extremities and are one of the main clinical presentations of chronic venous disease (CVD). Patients' symptoms may vary according to the pathophysiology, location, and severity of CVD. The prevalence of CVD in Korea has been increasing gradually. However, due to its broad clinical spectrum and the subjective nature of its diagnosis using ultrasound, discrepancies in diagnostic and treatment quality may exist among treating physicians. There have been recent efforts to improve the quality of the diagnosis and treatment of varicose veins in Korea by standardizing the diagnostic criteria and the indications for treatment. This study is a comprehensive review of the clinical manifestations and diagnostic criteria of CVD based on the most recent international and domestic guidelines and reports.
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Affiliation(s)
- Jae Ho Chung
- Department of Thoracic and Cardiovascular Surgery, Korea University College of Medicine, Seoul, Korea
| | - Seonyeong Heo
- Department of Thoracic and Cardiovascular Surgery, Korea University College of Medicine, Seoul, Korea
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Robin KJ, Maier MA, Leslie LJ, Dasa V, Krause PC, Jones DG, Chapple AG. Severity of Chronic Venous Insufficiency on Primary Total Knee Arthroplasty Outcomes. J Arthroplasty 2023; 38:2324-2327.e4. [PMID: 37286057 PMCID: PMC11036416 DOI: 10.1016/j.arth.2023.05.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 05/17/2023] [Accepted: 05/20/2023] [Indexed: 06/09/2023] Open
Abstract
BACKGROUND More than 700,000 people in the United States undergo total knee arthroplasty (TKA) each year. Chronic venous insufficiency (CVI) affects 5% to 30% of adults, sometimes resulting in leg ulceration. These CVI cases in TKAs have been associated with worse outcomes; however, we found no study differentiating CVI severity. METHODS This retrospective study analyzed TKA outcomes at one institution from 2011 to 2021 using patient-specific codes. Analyses included short-term complications (< 90 days postoperative), long-term complications (< 2 years), and CVI status (yes/no; simple/complex/unclassified). Complex CVI consisted of pain, ulceration, inflammation, and/or other complications. Revisions within 2 years and readmissions within 90 days post-TKA were assessed. Composite complications included short-term and long-term complications, revisions, and readmissions. Multivariable logistic regressions predicted complication (any/long/short) as a function of CVI status (yes/no; simple/complex) and potential confounding variables. Of 7,665 patients, 741 (9.7%) had CVI. Among CVI patients, 247 (33.3%) had simple CVI, 233 (31.4%) had complex CVI, and 261 (35.2%) had unclassified CVI. RESULTS There was no difference in CVI versus control in composite complications (P = .722), short-term complications (P = .786), long-term complications (P = .15), revisions (P = .964), or readmissions (P = .438) postadjustment. Composite complication rates were 14.0% without CVI, 16.7% with complex CVI, and 9.3% with simple CVI. Complication rates differed between simple and complex CVI (P = .035). CONCLUSION Overall, CVI did not affect postoperative complications versus control. Patients who have complex CVI are at higher risk for post-TKA complications compared to those who have simple CVI.
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Affiliation(s)
- Kaleb J Robin
- School of Medicine, Louisiana State University Health Sciences Center, New Orleans, Louisiana
| | - Mark A Maier
- School of Medicine, Louisiana State University Health Sciences Center, New Orleans, Louisiana
| | | | - Vinod Dasa
- Department of Orthopaedic Surgery, Louisiana State University Health Sciences Center, New Orleans, Louisiana
| | - Peter C Krause
- Department of Orthopaedic Surgery, Louisiana State University Health Sciences Center, New Orleans, Louisiana
| | - Deryk G Jones
- Ochsner Sports Medicine Institute, Jefferson, Louisiana
| | - Andrew G Chapple
- Department of Orthopaedic Surgery, Louisiana State University Health Sciences Center, New Orleans, Louisiana
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Sassaki VS, Fukaya E. Varicose Veins: Approach, Assessment, and Management to the Patient with Chronic Venous Disease. Med Clin North Am 2023; 107:895-909. [PMID: 37541715 DOI: 10.1016/j.mcna.2023.05.002] [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: 08/06/2023]
Abstract
Varicose veins are tortuous and dilated veins commonly seen in chronic venous disease. This article will review chronic venous disease, including its differential diagnosis, workup, and treatment.
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Affiliation(s)
- Viviane Seki Sassaki
- Stanford Heart and Vascular Clinic- Vascular Laboratory, Stanford, CA 94305, USA
| | - Eri Fukaya
- Division of Vascular Surgery, Stanford University School of Medicine, Stanford, CA, USA.
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Keles A, Karaman SK, Duzgun AC, Buyuksireci M, Bayraktaroglu MS. Association between lower extremity venous insufficiency and increased choroidal thickness. J Fr Ophtalmol 2023:S0181-5512(23)00120-1. [PMID: 36948916 DOI: 10.1016/j.jfo.2023.01.001] [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: 10/16/2022] [Accepted: 01/23/2023] [Indexed: 03/24/2023]
Abstract
PURPOSE The goal of this study is to investigate the association between the choroid and lower extremity venous insufficiency (LEVI). METHODS This prospective cross-sectional study includes 56 patients with LEVI and 50 age/sex-similar control subjects. Choroidal thickness (CT) measurements from 5 different points were captured from all participants by optical coherence tomography. In the group with LEVI on physical examination, reflux at the saphenofemoral junction, and the diameter of the great and small saphenous veins were evaluated via color Doppler ultrasonography. RESULTS The mean subfoveal CT was higher in the varicose group than in the control group (363.04±99.75μm vs. 320.30±73.46μm, P=0.013). In addition, the CTs at the temporal 3mm, temporal 1mm, nasal 1mm, and nasal 3mm distance from the fovea were higher in the LEVI group compared to the controls (for all, P<0.05). There was no correlation between CT and diameter of the great and small saphenous vein in patients with LEVI (for all, P>0.05). However, the great and small saphenous veins of patients with CT above 400μm were observed to be wider in patients with LEVI (P=0.027 and P=0.007, respectively). CONCLUSION Varicose veins can be a feature of systemic venous pathology. Another component of systemic venous disease may be increased CT. Patients with high CT should be investigated for susceptibility to LEVI.
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Affiliation(s)
- A Keles
- Department of Ophthalmology, Faculty of Medicine, Bilecik Seyh Edebali University, Bilecik, Turkey.
| | - S K Karaman
- Department of Ophthalmology, University of Health Sciences, Ankara Ulucanlar Eye Training and Research Hospital, Ankara, Turkey
| | - A C Duzgun
- Department of Cardiovascular Surgery, Ankara Training and Research Hospital, Ankara, Turkey
| | - M Buyuksireci
- Department of Radiology, Çorum Private Hospital, Çorum, Turkey
| | - M S Bayraktaroglu
- Department of Cardiovascular Surgery, Ankara Training and Research Hospital, Ankara, Turkey
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BEYAZ MO, URFALI S, KOYUNCU O, FANSA İ. Thermal Ablation, Nonthermal Ablation And Surgical Striping Applications: 1-Year Single Center Early Results. MUSTAFA KEMAL ÜNIVERSITESI TIP DERGISI 2022. [DOI: 10.17944/mkutfd.1121446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
ABSTRACT:
Objectives : Starting from the 1900's minimally invasive methods such as endovenous laser ablation (EVLA), radiofrequency ablation (RFA), and ultrasound-guided foam sclerotherapy (UGFS) developed.
Methods: This study includes a total of 136 patients (81 women/55 men), of whom 22 (10 women/12 men) were treated with classic surgical stripping, 54 (32 women/22 men) with thermal ablation and 60 (39 women/55 men) with non-thermal ablation.
Results: Twenty-two patients (10 women/12 men) were treated with surgical stripping. In one female patient a hematoma arose in the medial crural region postoperatively. A radiofrequency catheter (ThermoBLOCK TM) was used in the thermal ablation procedures in 54 patients (32 female/22 male). It is believed that permanent paresthesia occured in one female patient after the procedure. In 3 male patients temporary paresthesia occured postoperatively. Non- thermal ablation was performed in 60 patients(39 female/55 male). Even through a severe burning sensation was present in 6 patients (5 female/1 male) during the procedure, this symptom was only transient. In one of the patients, deep venous thrombosis (DVT) occured at the level of the popliteal vein postoperatively at the sixth day.
Conclusion: Even if thermal and non-thermal ablation and surgical procedures have the same pain decreasing rates, hematomas and a longer hospital stay are more frequent in surgical procedures.
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Affiliation(s)
| | - Senem URFALI
- HATAY MUSTAFA KEMAL ÜNİVERSİTESİ, TAYFUR ATA SÖKMEN TIP FAKÜLTESİ, TAYFUR ATA SÖKMEN TIP PR
| | - Onur KOYUNCU
- HATAY MUSTAFA KEMAL ÜNİVERSİTESİ, TAYFUR ATA SÖKMEN TIP FAKÜLTESİ, TAYFUR ATA SÖKMEN TIP PR
| | - İyad FANSA
- HATAY MUSTAFA KEMAL ÜNİVERSİTESİ, TAYFUR ATA SÖKMEN TIP FAKÜLTESİ, TAYFUR ATA SÖKMEN TIP PR
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Abstract
Chronic venous insufficiency is an extensive progressive disease in need of public health attention. This insidious disease is a growing burden on patient quality of life and the health economy. Chronic venous insufficiency has become more pronounced in global populations, especially in regions exhibiting a higher rate of risk factors. It is critical for healthcare providers to recognise and intervene early to prevent ongoing and debilitating complications. This article provides a comprehensive review of chronic venous insufficiency outlining the anatomy, pathophysiology, clinical presentation, assessment and management options.
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Affiliation(s)
- Julian Azar
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, US
| | - Amit Rao
- Comprehensive Wound Healing & Hyperbarics Center, Northwell Health, Lake Success, NY US
| | - Alisha Oropallo
- Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, US.,Comprehensive Wound Healing & Hyperbarics Center, Northwell Health, Lake Success, NY US
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Abstract
Chronic venous disease is a worldwide problem associated with significant morbidity and is expected to increase in prevalence as the current population ages. This is a comprehensive review of the anatomy, pathophysiology, genomics, clinical classification, and treatment modalities of chronic venous disease.
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Affiliation(s)
- Tom Alsaigh
- Division of Vascular Surgery, Vascular Medicine Section, Stanford University, 780 Welch Road, Suite CJ 350, Palo Alto, CA 94304, USA
| | - Eri Fukaya
- Division of Vascular Surgery, Vascular Medicine Section, Stanford University, 780 Welch Road, Suite CJ 350, Palo Alto, CA 94304, USA.
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Parlar H, Arıkan AA. Internal Perivenous Compression for venous insufficiency at the Saphenofemoral Junction: Early and Midterm Results and Operative Pain. Phlebology 2021; 37:143-148. [PMID: 34648388 DOI: 10.1177/02683555211051959] [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: 11/16/2022]
Abstract
OBJECTIVES To assess the postoperative pain and midterm results of patients undergoing internal perivenous compression with internal compression therapy (ICT) for venous insufficiency at the saphenofemoral junction (SFJ). MATERIALS AND METHODS Patients managed with ICT between April and October 2019 for grade 4 venous reflux at the SFJ were retrospectively evaluated. The venous clinical severity score (VCSS) was calculated preoperatively and 1, 3, and 6 months postoperatively. Postoperative pain was assessed with the visual analog scale (VAS). Control Doppler ultrasound imaging was performed 6 months postoperatively. RESULTS Forty-five patients [14 (31%) males and 31 (69%) females; mean age, 47 ± 13 years] were included. The median preoperative VCSS was 7 (5-8.5). The median VCSS at 1, 3, and 6 months postoperatively was 6 (4-7.5), 4 (3-5.5), and 3 (2-4), respectively, and these values were significantly lower than the preoperative score (p = 0,001, p < 0.001, and p < 0.001, respectively). The postoperative VAS score was 0 in 6 patients (13%), 1 in 17 patients (38%), 2 in 6 patients (13%), 3 in 15 patients (33%), and 4 in 1 patient (2%). At 6 months, reflux was absent in 9 (20%), grade 1 in 20 (44%), and grade 2 in 16 (36%) patients. A vena saphena magna diameter of >6.7 mm predicted grade >1 reflux at 6 months [87.5%, with an area under the curve of 0.78 (p < 0.001)]. No complications occurred. CONCLUSION ICT alleviated symptoms and reduced reflux grade in patients with venous insufficiency at the SFJ. This therapy can be applied with satisfactory patient comfort.
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Affiliation(s)
- Hakan Parlar
- Department of Cardiovascular Surgery, Health Science University Derince Training and Research Hospital, Kocaeli, Turkey
| | - Ali Ahmet Arıkan
- Department of Cardiovascular Surgery, Kocaeli University Faculty of Medicine, Kocaeli, Turkey
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Cho S, Joh JH. Changes of stump length depending on starting position of glue injection related to venous diameter during cyanoacrylate closure for incompetent saphenous veins. J Vasc Surg Venous Lymphat Disord 2021; 10:376-381. [PMID: 34438086 DOI: 10.1016/j.jvsv.2021.08.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 08/12/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVES A common pattern of recurrence after cyanoacrylate treatment of incompetent saphenous veins has been associated with reflux from the residual stump. The purpose of this study was to analyze the starting point of cyanoacrylate glue injection from the junction to decrease stump length. METHODS A retrospective review was performed using prospectively collected data of patients with cyanoacrylate closure (CAC). Preoperatively, the diameter of the saphenous vein was measured. CAC was performed according to the manufacturer's instructions. After the procedure, clinical outcomes including pain, venous clinical severity score (VCSS), and quality of life (QoL) using the Aberdeen Varicose Vein Questionnaire (AVVQ) were evaluated. Postoperative duplex scanning was performed to evaluate the occlusion rate of the target vein, stump length, and presence of endovenous glue-induced thrombosis (EGIT). The stump length was analyzed according to the preoperative venous diameter to determine the proper point of glue injection to decrease the stump length. RESULTS During the study period, CAC was performed in 408 patients. Mean age was 56.2±11.5 years (range, 19 to 84 years). A total of 279 patients (68.4%) were women. Occlusion of the target vein was achieved in all patients. After the procedure, pain, VCSS, and QoL were improved (P<.001). EGIT developed in 5.8% of patients. There was a 1.53-fold linear increase in the stump length by for every 1-mm increment of the preoperative venous diameter. In 20 patients with a venous diameter ≥5 mm, glue injection was performed safely 4 cm distal to the junction to decrease the stump length. CONCLUSION The stump length linearly increased with an increase in the saphenous vein diameter. If the diameter of the saphenous vein is more than 5 mm, cyanoacrylate glue may be injected 4 cm distal to the junction to decrease stump length.
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Affiliation(s)
- Sungsin Cho
- Department of Surgery, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, Korea
| | - Jin Hyun Joh
- Department of Surgery, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, Korea.
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Li C, Nwachukwu C, Jacobowitz GR, Kabnick LS, Maldonado TS, Rockman CB, Berland TL, Sadek M. The presence of a pathologic perforator may be predictive of central venous pathology and multilevel disease in severe chronic venous insufficiency. J Vasc Surg Venous Lymphat Disord 2021; 10:402-408. [PMID: 34252577 DOI: 10.1016/j.jvsv.2021.06.019] [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: 05/01/2021] [Accepted: 06/28/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVES The treatment of a refluxing perforator is indicated in the setting of severe chronic venous insufficiency, but there are limited data on the presence of multilevel disease in these patients. This study sought to evaluate whether the presence of a pathologic perforator is predictive of the presence of central venous pathology. METHODS This study was a retrospective review of the institutional Vascular Quality Initiative database. Consecutive patient limbs were identified that underwent intervention of refluxing perforators. The patients who underwent imaging, including magnetic resonance imaging or computed tomography (group A), were compared with those who did not undergo imaging (group B). The treated limbs in group A were also compared with the contralateral limbs as an internal control. Anatomical findings on imaging were analyzed by two independent investigators. The primary outcome was the presence and degree of central venous stenosis as measured by an orthogonal diameter reduction of >50% by axial imaging. Secondary outcomes included demographic and clinical differences between the two groups, frequency of central venous intervention, and duration of ulcer healing. Standard statistical analysis was performed. RESULTS Ninety-three patient limbs underwent treatment of a pathologic perforator, with 30 in group A and 63 in group B. The following demographic and clinical variables were higher in group A compared with group B: male sex, body mass index, deep venous thrombosis history, recent or active anticoagulation use, perforator diameter, Clinical Etiology Anatomy Pathophysiology class 4, 5, or 6, and Venous Clinical Severity Score. Radiographic analysis of group A revealed concordance of a treated pathologic perforator with an ipsilateral central venous stenosis in 53.3% of patients, and a higher frequency of common iliac vein stenosis (50% vs 21.4%, P = .024) and external iliac vein stenosis (20% vs 0%, P = .012) compared with the contralateral limbs. When separated by the left or right limb, the left limbs exhibited a greater degree of common iliac vein stenosis as compared with the contralateral limbs (50.7% ± 20.9% vs 16.3% ± 16.5%, P < .001) as well as a greater frequency of >50% common iliac vein stenosis (46.7% vs 13.3%, P = .046). The right limbs exhibited a greater frequency of >50% external iliac vein stenosis as compared with the contralateral limbs (33.3% vs 0%, P = .022). CONCLUSIONS This study suggests that patients with severe chronic venous insufficiency who undergo treatment for a pathologic perforator may have additional ipsilateral central venous pathology, supporting the presence of multilevel disease. Additional axial imaging might unmask central venous pathology and provide another option for treatment.
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Affiliation(s)
- Chong Li
- Division of Vascular Surgery, New York University Langone Health, New York, NY
| | - Chukwuma Nwachukwu
- Division of Vascular Surgery, New York University Langone Health, New York, NY
| | - Glenn R Jacobowitz
- Division of Vascular Surgery, New York University Langone Health, New York, NY
| | | | - Thomas S Maldonado
- Division of Vascular Surgery, New York University Langone Health, New York, NY
| | - Caron B Rockman
- Division of Vascular Surgery, New York University Langone Health, New York, NY
| | - Todd L Berland
- Division of Vascular Surgery, New York University Langone Health, New York, NY
| | - Mikel Sadek
- Division of Vascular Surgery, New York University Langone Health, New York, NY.
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15
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Casadaban LC, Moriarty JM, Hoffman CH. Physical Examination and Ultrasound Evaluation of Patients with Superficial Venous Disease. Semin Intervent Radiol 2021; 38:167-175. [PMID: 34108802 DOI: 10.1055/s-0041-1727103] [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: 10/21/2022]
Abstract
Systematic and standardized evaluation of superficial venous disease, guided by knowledge of the various clinical presentations, venous anatomy, and pathophysiology of reflux, is essential for appropriate diagnosis and optimal treatment. Duplex ultrasonography is the standard for delineating venous anatomy, detecting anatomic variants, and identifying the origin of venous insufficiency. This article reviews tools and techniques essential for physical examination and ultrasound assessment of patients with superficial venous disease.
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Affiliation(s)
- Leigh C Casadaban
- Division of Interventional Radiology, Department of Radiological Sciences, David Geffen School of Medicine at UCLA, Los Angeles, California
| | - John M Moriarty
- Division of Interventional Radiology, Department of Radiological Sciences, David Geffen School of Medicine at UCLA, Los Angeles, California
| | - Cheryl H Hoffman
- Division of Interventional Radiology, Department of Radiological Sciences, David Geffen School of Medicine at UCLA, Los Angeles, California
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Ulukan MO, Karakaya A, Erkanli K, Beyaz MO, Oztas DM, Ugurlucan M. Efficiency of Prophylactic Ablation of the Tributary Venous Pathways Draining Around the Saphenofemoral Junction to Decrease the Rate of Future Varicose Vein and Symptoms Occurence. Ann Vasc Surg 2021; 75:267-274. [PMID: 33823264 DOI: 10.1016/j.avsg.2021.02.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/11/2021] [Accepted: 02/13/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND There are various other collaterals draining into the venous system around the saphenofemoral junction in addition to the great saphenous vein. We aimed to determine the efficiency of prophylactic ablation of tributary veins in long term varicose vein and symptom recurrence. METHODS Two hundred and sixty-three consecutive patients whom underwent radiofrequency ablation therapy for the treatment of superficial venous reflux disease were investigated. There were 129 patients who received isolated great saphenous vein ablation (Group A) where as 134 patients underwent ablation of the other tributary veins in addition to the great saphenous vein (Group B) between June 2015 and January 2017. The tributary superficial veins; refluxing and/or not refluxing, draining into the saphenofemoral junction were selectively catheterized and ablated in Group B. Patients are followed at least 1 year after the procedures regulary and researched for recurrence of varciose veins and symptoms. RESULTS Gender, mean age, body mass index, diameter of the great saphenous veins, small saphenous vein disease, and grade of deep venous insufficiency did not differ significantly between the two groups. The mean number of tributary veins were similar in both groups (n: 1.9 ± 0.4 in Group A vs. n: 1.8 ± 0.7 in Group B) which were detected preoperatively as well as during the procedure. The mean number of ablated tributary venous pathways could be 1.4 ± 0.6 in Group B. During the follow up period symptoms related with varicose veins recurred in 19 patients in Group A where as in 7 patients in Group B (P < 0.05). Three of these symptomatic patients in Group B were the ones in whom the tributary pathways could not be catheterized ablated where as 14 patients in Group A were diagnosed with newly refluxing tributary pathways. All the symptomatic patients in both groups were managed medically and/or with additional interventions. CONCLUSION The absence of any fascial unsheathing and the parietal weakness are suggestive of a lower resistance of the tributary veins wall, so collapse and size of veins make it more complex to catheterization regarding to great saphenous vein. Ablation of the tributary superficial venous pathways during the treatment of great saphenous vein reflux disease decreased the rate of recurrence of superficial venous reflux disease and patients symtoms in our modest cohort.
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Affiliation(s)
- Mustafa Ozer Ulukan
- Department of Cardiovascular Surgery, Istanbul Medipol University Faculty of Medicine, Istanbul, Turkey.
| | - Atalay Karakaya
- Department of Cardiovascular Surgery, Istanbul Medipol University Faculty of Medicine, Istanbul, Turkey
| | - Korhan Erkanli
- Department of Cardiovascular Surgery, Istanbul Medipol University Faculty of Medicine, Istanbul, Turkey
| | - Metin Onur Beyaz
- Department of Cardiovascular Surgery, Mustafa Kemal University Faculty of Medicine, Antakya, Turkey
| | - Didem Melis Oztas
- Cardiovascular Surgery Clinic, Bagcilar Training and Research Hospital, Istanbul, Turkey
| | - Murat Ugurlucan
- Department of Cardiovascular Surgery, Istanbul Medipol University Faculty of Medicine, Istanbul, Turkey
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Seyam OA, Elshimy AS, Niazi GEM, ElGhareeb M. Ultrasound-guided percutaneous injection of foam sclerotherapy in management of lower limb varicose veins (pilot study). THE EGYPTIAN JOURNAL OF RADIOLOGY AND NUCLEAR MEDICINE 2020. [DOI: 10.1186/s43055-020-00264-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Minimally invasive procedures; like ultrasound-guided percutaneous injection of foam sclerotherapy (USGFS) are being the keystone methods in managing lower limb varicose veins and its complications, being advantageable over the surgery as being minimally invasive with better postoperative comfort and immediate cosmetic effect and faster return to full socioeconomic activity. Varicose veins are common problem that affects the quality of life and have a significant cost burden on the health care system. Sclerotherapy (endovenous chemical ablation) destructs the endothelium to induce inflammation and fibrosis and then occlusion of the blood vessel lumen.
Results
The study included 33 diseased limbs of females (64.7%) and 18 (35.3 %) limbs of males. Of the diseased limbs, 16 (31.3%) presented with disfigurement, 14 (27.4%) with pain, 11 (19.6%) with heaviness, 6 (11.7%) with edema, and 4 (7.8%) with non-healed venous ulcer. Twenty-six (50.9%) diseased limbs show competent sapheno-femoral junction (SFJ) while 25 (49.1%) limbs showed SFJ reflux of variant degrees. All patients underwent direct ultrasound-guided foam sclerotherapy either as the primary therapy in 29 (56.9%) limbs or as a complementary therapy for residual perforators and varicosities after treatment with other methods of treatment like laser ablation and phlebograph in 22 (43.1%) limbs. Nine (17.6%) limbs treated with 2% polidocanol (Pol.) and 42 (82.3%) limbs with 3% Pol. In the 2nd session Doppler follow-up, 35 (68.6%) limbs showed complete occlusion while 13 (25.5%) limbs showed partial occlusion, while in the 3rd session Doppler follow-up, 3 (5.9%) limbs still show partial occlusion while 45 (88.2%) limbs showed complete occlusion and no recanalization. Forty (78.4%) limbs addressed marked symptomatic relief while 5 (9.8%) limbs moderate relief and 3 (5.9%) cases with mild relief and the other 3 (5.9%) cases missed follow-up. Twenty-five (49%) limbs had no complications while 23 (45%) limbs had different local complications ranging from pain, hyperpigmentation, and superficial thrombophlebitis. Also, we find a statistically significant correlation between the Pol. concentration injected and the symptomatic relief and Doppler US follow-up while there is a borderline correlation between the Pol. concentration injected and the detected complications.
Conclusions
The preliminary results revealed ultrasound-guide foam sclerotherapy is an effective and safe treatment for lower limb varicose veins. The concentration of polidocanol injected could be correlated significantly with the symptoms improvement and borderline correlation to the complication rate.
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Alwahbi A, Alamri A, Alotaibi W. Risk Factors of Saphenous Vein Insufficiency in Female Patients in Riyadh, Saudi Arabia. Cureus 2020; 12:e6643. [PMID: 31966948 PMCID: PMC6961556 DOI: 10.7759/cureus.6643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Accepted: 01/13/2020] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Venous reflux most frequently occurs in the great saphenous vein (GSV), which is the most commonly diseased vein and is associated with venous insufficiency and varicose veins. OBJECTIVE We aimed, in this study, to determine risk factors for saphenous vein insufficiency in female patients in Riyadh, Saudi Arabia. METHODS This was a retrospective cohort study. Data were collected from the medical records of adult female patients who developed saphenous vein insufficiency at King Abdulaziz Medical City, between 2015 and 2017. RESULTS A total of 97 subjects participated in the study, 53 patients had saphenous vein reflux while 44 patients did not have reflux. Leg swelling was the only symptom that showed a significant difference between the two groups (p<0.001); patients with reflux had significantly higher rates of endovenous laser therapy (p=0.021). While the same patient group showed significantly lower rates of sclerotherapy compared to patients without reflux (p=0.006). The proportion of hypertension patients without reflux (22.7%) was significantly larger than that of hypertension patients with reflux (1.9%) (p= 0.001). CONCLUSION More research is encouraged to provide better understanding and management of saphenous vein insufficiency in the Saudi population, especially in females who are at high risk.
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Affiliation(s)
- Abdullah Alwahbi
- Vascular Surgery, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh, SAU
| | - Amal Alamri
- Vascular Surgery, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, SAU
| | - Wafa Alotaibi
- Vascular Surgery, King Saud Bin Abdulaziz University for Health Sciences (ksau-Hs), Riyadh, Saudi Arabia, Riyadh, SAU
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Menezes PDP, Gomes CVC, de Carvalho YMBG, Santos NGL, Andrade VM, Oliveira AMS, de Lima CM, Araújo AADS. Evaluation of the Use of Compressive Stockings Impregnated With Hesperetin-Based Nanocapsules in the Healing of Venous Ulcers: A Case Report. CLINICAL MEDICINE INSIGHTS-CASE REPORTS 2019; 12:1179547619858977. [PMID: 31360076 PMCID: PMC6640063 DOI: 10.1177/1179547619858977] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 05/24/2019] [Indexed: 11/24/2022]
Abstract
Venous ulcers are a more severe complication of chronic venous insufficiency, significantly compromising patient quality of life (QoL). Compressive stockings are still the gold standard treatment method with alternative therapies currently being evaluated. In this perspective, we investigate the influence of compressive stockings impregnated with hesperetin-based nanocapsules in the healing process of venous ulcers. Compressive stockings impregnated with hesperetin-based nanocapsules were applied to a consenting patient for 6 months following all relevant ethical principles for patient studies. The patient was evaluated at baseline (T0), 3 months (T3), and 6 months (T6), using photographic register (healing) probes to measure skin melanin, erythema and hydration parameters, and venous diameters, followed by questionnaires regarding QoL and pain perception. Healing was observed at the 3-month time point and with 91.6% and 93.1% of retraction area in larger ulcers of the right leg and lateral portion of the left leg, respectively. The deepest ulcer in a medial portion of the left leg healed 47.3%. A reduction of all measured skin parameters was observed, indicating a possible hesperetin effect. The scores of QoL and pain were, respectively, in the ranges of 91.6 to 31.2 and 7 to 0. Reduction in venous diameters also indicates healing function. These preliminary findings suggest that compressive stockings impregnated with hesperetin nanocapsules enhance venous ulcer healing. Further clinical trial controlled by placebo, involving a greater number of patients, is required to confirm the findings of this case report.
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20
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Youn YJ, Lee J. Chronic venous insufficiency and varicose veins of the lower extremities. Korean J Intern Med 2019; 34:269-283. [PMID: 30360023 PMCID: PMC6406103 DOI: 10.3904/kjim.2018.230] [Citation(s) in RCA: 96] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 09/08/2018] [Indexed: 12/15/2022] Open
Abstract
Chronic venous insufficiency (CVI) of the lower extremities manifests itself in various clinical spectrums, ranging from asymptomatic but cosmetic problems to severe symptoms, such as venous ulcer. CVI is a relatively common medical problem but is often overlooked by healthcare providers because of an underappreciation of the magnitude and impact of the problem, as well as incomplete recognition of the various presenting manifestations of primary and secondary venous disorders. The prevalence of CVI in South Korea is expected to increase, given the possible underdiagnoses of CVI, the increase in obesity and an aging population. This article reviews the pathophysiology of CVI of the lower extremities and highlights the role of duplex ultrasound in its diagnosis and radiofrequency ablation, and iliac vein stenting in its management.
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Affiliation(s)
- Young Jin Youn
- Division of Cardiology, Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
- Division of Interventional Cardiology, Calhoun Cardiology Center, UConn Health, University of Connecticut School of Medicine, Farmington, CT, USA
| | - Juyong Lee
- Division of Interventional Cardiology, Calhoun Cardiology Center, UConn Health, University of Connecticut School of Medicine, Farmington, CT, USA
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Malkani RH, Karia R, Thadani S. A Study of Risk Factors of Chronic Venous Insufficiency and its Association with Features Suggestive of Preceding or Present Deep Venous Thrombosis. Indian J Dermatol 2019; 64:366-371. [PMID: 31543530 PMCID: PMC6749769 DOI: 10.4103/ijd.ijd_271_18] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Background: Deep venous thrombosis (DVT), even though resolved, may damage the valves and may lead to chronic venous insufficiency (CVI). We designed the present study to examine the thrombotic markers or other ultrasound features in the absence of active thrombosis in patients presenting with features suggestive of CVI. Materials and Methods: It was a cross-sectional study of 50 DVT patients. We collected a detailed history of presenting symptoms (onset, progression, and duration) and associated history of aggravating factors. After classifying the patients, color Doppler investigation for DVT and venous incompetence and blood investigations such as Factor V, D-Dimer, total cholesterol, total triglycerides, homocysteine, high-density lipoproteins, low-density lipoproteins (LDL), and very LDL were done. Results: We found a raised Factor V significantly more in patients classified as severe under clinical classification compared with nonsevere (19% and 0%; P = 0.05) and in patients with a high Venous Severity Clinical Score (VSCS) compared to those with a low VSCS score (17% and 0%; P = 0.03). We also found that perforators were significantly more in patients with a high VSCS score (88% and 58%; P = 0.02), in patients with a primary venous etiology compared with those without any venous etiology (97% and 1%; P < 0.0001), in patients with obstruction/reflux compared to those without any pathology (95% and 0%; P < 0.0001), and in patients with severe clinical classification compared with nonsevere patient (95% and 55%; P = 0.002). Conclusions: Clinical or subclinical DVT, an important cause of CVI, may not always be seen on ultrasound, especially after resolution. However, they may have the presence of blood parameters (Factor V and hyperhomocysteinemia) suggestive of DVT; these can be used as proxy markers for the current or previous DVT.
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Affiliation(s)
- Ram H Malkani
- Department of Dermatology, Jaslok Hospital, Mumbai, Maharashtra, India
| | - Rusina Karia
- Department of Dermatology, Jaslok Hospital, Mumbai, Maharashtra, India
| | - Sneh Thadani
- Department of Dermatology, Jaslok Hospital, Mumbai, Maharashtra, India
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Castorena-Gonzalez JA, Zawieja SD, Li M, Srinivasan RS, Simon AM, de Wit C, de la Torre R, Martinez-Lemus LA, Hennig GW, Davis MJ. Mechanisms of Connexin-Related Lymphedema. Circ Res 2018; 123:964-985. [PMID: 30355030 PMCID: PMC6771293 DOI: 10.1161/circresaha.117.312576] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
RATIONALE Mutations in GJC2 and GJA1, encoding Cxs (connexins) 47 and 43, respectively, are linked to lymphedema, but the underlying mechanisms are unknown. Because efficient lymph transport relies on the coordinated contractions of lymphatic muscle cells (LMCs) and their electrical coupling through Cxs, Cx-related lymphedema is proposed to result from dyssynchronous contractions of lymphatic vessels. OBJECTIVE To determine which Cx isoforms in LMCs and lymphatic endothelial cells are required for the entrainment of lymphatic contraction waves and efficient lymph transport. METHODS AND RESULTS We developed novel methods to quantify the spatiotemporal entrainment of lymphatic contraction waves and used optogenetic techniques to analyze calcium signaling within and between the LMC and the lymphatic endothelial cell layers. Genetic deletion of the major lymphatic endothelial cell Cxs (Cx43, Cx47, or Cx37) revealed that none were necessary for the synchronization of the global calcium events that triggered propagating contraction waves. We identified Cx45 in human and mouse LMCs as the critical Cx mediating the conduction of pacemaking signals and entrained contractions. Smooth muscle-specific Cx45 deficiency resulted in 10- to 18-fold reduction in conduction speed, partial-to-severe loss of contractile coordination, and impaired lymph pump function ex vivo and in vivo. Cx45 deficiency resulted in profound inhibition of lymph transport in vivo, but only under an imposed gravitational load. CONCLUSIONS Our results (1) identify Cx45 as the Cx isoform mediating the entrainment of the contraction waves in LMCs; (2) show that major endothelial Cxs are dispensable for the entrainment of contractions; (3) reveal a lack of coupling between lymphatic endothelial cells and LMCs, in contrast to arterioles; (4) point to lymphatic valve defects, rather than contraction dyssynchrony, as the mechanism underlying GJC2- or GJA1-related lymphedema; and (5) show that a gravitational load exacerbates lymphatic contractile defects in the intact mouse hindlimb, which is likely critical for the development of lymphedema in the adult mouse.
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Affiliation(s)
| | - Scott D. Zawieja
- Dept. of Medical Pharmacology and Physiology and University of Missouri School of Medicine
| | - Min Li
- Dept. of Medical Pharmacology and Physiology and University of Missouri School of Medicine
| | - R. Sathish Srinivasan
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City OK
| | | | - Cor de Wit
- Institute of Physiology, University of Luebeck, Luebeck Germany
| | | | - Luis A. Martinez-Lemus
- Dept. of Medical Pharmacology and Physiology and University of Missouri School of Medicine
| | | | - Michael J. Davis
- Dept. of Medical Pharmacology and Physiology and University of Missouri School of Medicine
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24
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Partovi S, Ganguli S. Advanced venous imaging and image-guided venous interventions. Cardiovasc Diagn Ther 2017; 6:470-472. [PMID: 28123968 DOI: 10.21037/cdt.2016.12.07] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Sasan Partovi
- University Hospitals Cleveland Medical Center, Case Western Reserve University, Cleveland, Ohio, USA.
| | - Suvranu Ganguli
- Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA.
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