Chronic venous insufficiency (CVI) refers to functional changes that may occur in the lower extremity due to persistent elevation of venous pressures, most commonly resulting from venous reflux due to faulty valve function. CVI affects about 7% of the population and prevalence of venous leg ulcers ranges from 1% to 2%. Diagnosis involves clinical examination showing signs such as varicose veins, edema, skin changes, as well as noninvasive testing including venous duplex imaging and air plethysmography and invasive testing such as contrast venography. Pathophysiology involves retrograde blood flow due to valve incompetence leading to increased hydrostatic pressures, edema, skin changes, and ulceration through mechanisms such as venous microangiop
Fundamentals of Vascular Ultrasound.
Looking at the basics of carotid, lower extremity arterial, renal, celiac, SMA studies, as well as touching on venous insufficiency. Part I of series.
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This presentation is very helpful for vascular sergeons, interventional radiologists and sonographers that how to map Vasculature before construction of AV fistula for hemodialysis, how to check its patency, how to check its proper functioning ,to comment on its failure and decide when to reintervene.
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Role of IR in treatment of Varicose veins and Bone lesions.
Newer modality: HIFU
Videos on Embolization techniques, role of IR in hepatobiliary system and in portal hypertension.
Fundamentals of Vascular Ultrasound.
Looking at the basics of carotid, lower extremity arterial, renal, celiac, SMA studies, as well as touching on venous insufficiency. Part I of series.
Role of medical imaging in management of arteriovenous fistula Dr. Muhammad B...Dr. Muhammad Bin Zulfiqar
This presentation is very helpful for vascular sergeons, interventional radiologists and sonographers that how to map Vasculature before construction of AV fistula for hemodialysis, how to check its patency, how to check its proper functioning ,to comment on its failure and decide when to reintervene.
Interventional radiology part 2 final-Dr Chandni WadhwaniChandni Wadhwani
Role of IR in treatment of Varicose veins and Bone lesions.
Newer modality: HIFU
Videos on Embolization techniques, role of IR in hepatobiliary system and in portal hypertension.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
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This will be used as part of your Personal Professional Portfolio once graded.
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Prepare a presentation or a paper using research, basic comparative analysis, data organization and application of economic information. You will make an informed assessment of an economic climate outside of the United States to accomplish an entertainment industry objective.
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The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
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Read| The latest issue of The Challenger is here! We are thrilled to announce that our school paper has qualified for the NATIONAL SCHOOLS PRESS CONFERENCE (NSPC) 2024. Thank you for your unwavering support and trust. Dive into the stories that made us stand out!
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5. Overviews
What is a Venous Disorder?
Acute venous diseases Chronic venous diseases
1) Leg vein thrombosis
2) Vein inflammation (phlebitis)
1) Spider veins
2) Varicose veins
3) Vein weakness: Venous insufficiency
4) Leg ulcer (ulcus cruris venosum)
6. I. Definition
• Chronic venous insufficiency (CVI) refers to functional changes that may occur in the
lower extremity due to persistent elevation of venous pressures.
• This most commonly results from venous reflux due to faulty valve function developing as
a long-term sequela of deep vein thrombosis (DVT) and recanalisation and may also
develop due to primary valvular incompetence without previous episode(s) of DVT.
• The term 'CVI' is usually reserved for more advanced disease involving oedema, skin
changes, or frank ulcers.
• Varicose Vein: Varicose veins are subcutaneous, Permanently dilated veins 3 mm or more
in diameter when measured in a standing position; however, they may not be visible.
• Varicosity (Plural varicosities): An enlarged vessel or nerve, particularly a blood vessel.
7. II. Epidemiology
Chronic venous insufficiency:
• CVI affects about 7% of the population.
• Prevalence of venous leg ulcers, the most extreme form of
• CVI, has been estimated to range from 1% to 2%.
• Following treatment, up to 7 in 10 wounds recur.
• The total cost of treating venous leg ulcers in the US alone was $3 billion in
2006.
8. Varicose veins:
• Generally, prevalence rates are higher in industrialised countries and in more developed
regions.
• Prevalence of visible varicose veins in the Western population aged over 15 years is 10%
to 15% in men and 20% to 25% in women.
• Prevalence rates in the US are 15% (range from 7% to 40%) in men and 27.7% (25% to
32%) in women.
• Visible varicose veins are more prevalent in Hispanic people (26.3%) and less prevalent in
Asian people (18.7%).
Mortality
Prevalence
9. III. Physiology Anatomy
• Capillaries and Venules, collect the used, oxygen-depleted blood from the muscles and
organs.
• Venous Return: Heart and Breathing, The venous valves, calf muscle pump, Vein tension
and vein dilation.
• Venous Flow: Saphenous veins (Greater, Smaller), Popliteal vein.
• Venous Type: Deep veins, Superficial veins, Perforating veins.
• Gravitational effects
• Blood flow travel against gravity: valves, muscle pumps.
• Venous valve function: Opening, Equilibrium, Closing, Closed.
• Contraction
• Relaxation (muscle pump) allows blood to refill to the deep venous system.
10. Venous Pressure
• Normal Venous Pressure (Refill Time > 20 seconds)
(1) Resting Standing Pressure: 80 – 90 mmHg
(2) Drop in Exercise: 20 – 30 mmHg
• Abnormal Venous Pressure (Refill Time < 20 seconds)
(1) Resting Standing Pressure: Higher than normal
(2) Drop in Exercise: Blunt (decrease 50%)
• Abnormal Venous Pressure , Venous Obstruction
(1) Resting Standing Pressure: Higher than normal
(2) Not-Drop in Exercise
11. IV. Clinical Feature
Common:
1) Corona phlebectatica (malleolar flare or
ankle flare)
2) Ankle swelling
3) Hyperpigmentation
4) Lipodermatosclerosis
5) Atrophie blanche
6) Leg ulcers
Uncommon:
1) Leg fatigue, aching, and/or discomfort
2) Heavy legs
3) Leg cramps
4) Telangiectasias
5) Reticular veins
6) Dilated tortuous veins
7) Dry and scaly skin
Atrophie blanche:
• L'atrophie blanche est la traduction clinique d'une ischémie cutanée par occlusion localisée
des petits vaisseaux du derme superficiel.
12. Telangiectasias
• Telangiectasias are small, widened blood
vessels on the skin.
• They are usually harmless, but may be
associated with several diseases.
Reticular veins
• Reticular veins are the visible veins below
your skin that appear blue-purple in colour,
• They don't bulge out as varicose veins do.
Telangiectasias
13. Corona phlebectatica:
• Corona phlebectatica is a cutaneous sign of chronic venous insufficiency, characterized
by abnormally dilated veins around the ankle.
• It is characterised by the presence of abnormally visible cutaneous blood vessels at the
ankle with:
1) Venous cups
2) Blue and red telangiectasis
3) Capillary stasis spots
14. V. Etiology
• Primary varicose veins are thought to be due to genetic or developmental defects in the
vein wall that cause
1) Diminished Elasticity
2) Valvular Incompetence.
• Secondary varicose veins arise from destruction or dysfunction of valves caused by:
1) Trauma
2) Deep Venous Thrombosis
3) Arteriovenous Fistula
4) Nontraumatic Proximal Venous Obstruction (Pregnancy, Pelvic Tumor)
15. • Severe CVI usually results from:
1) Chronic Valvular Reflux
2) Venous Obstruction
3) Frequently from a combination of both.
17. Arteriovenous Fistula
(1) Arteriovenous (AV) fistula is an irregular
connection between an artery and a vein.
(2) Blood flow avoids tiny blood vessels
(capillaries) and moves directly from an artery into
a vein.
(3) Arteriovenous (AV) fistula is an irregular
connection between an artery and a vein.
(4) Due to: Injuries that pierce the skin, Congenital
arteriovenous fistulas, Genetic conditions,
Dialysis-related surgery.
21. VI. Physiopathology
• Chronic Venous Insufficiency, Retrograde blood flow.
• Venous Return ( calf and foot muscle pumps, patent veins, and
competent valves).
• Venous insufficiency or Chronic Venous Insufficiency (CVI).
• Venous Reflux
22. Venous Reflux (1)
• Venous Reflux or Retrograde flow of blood serves to increase hydrostatic
pressures.
• Valve Incompetence lead to rapid refill and accumulation of fluid.
• This excessive local pressure can produce dilatation of the superficial
veins.
• Hydrostatic pressures: Vessel wall is thin, direct injury or Superficial
phlebitis.
23. Venous Reflux (2)
• Abnormal capillaries: accumulation of fluid, macromolecules, and
extravasated red blood cells into the interstitial space (oedema).
• The typical constellation of findings that ensue include:
1) Oedema
2) Lipodermatosclerosis
3) Ulceration
4) Hyperpigmentation
• Microangiopathy: Macrocirculation > Venous microangiopathy.
24. Microangiopathy
• There have been several postulated mechanisms for the development of
Venous Microangiopathy, including:
1) Fibrin Cuff Hypothesis
2) White Blood Cell Trapping
25. • Fibrin Cuff Hypothesis , venous hypertension with resultant extravasation
of plasma proteins and fibrinogen into the soft tissue, resulting in a fibrin
cuff around the capillaries and Tissue Hypoxia.
(1) Venous hypertension
(2) Fibrinogen leaks from the capillaries
(3) Fibrinogen coagulates and hardens to form a fibrin cuff
(4) Cuff surrounds the capillaries
(5) Cuff establishes a barrier that prevents oxygen and nutrients
(6) Skin cannot reach of oxygen and nutritional
(7) Tissue hypoxia
26. • White cell trapping that white cells are trapped in capillaries due to
venous hypertension, with secondary escape of proteins into the interstitial
space and resultant Diminished Tissue Oxygenation.
(1) Increase Venous Blood Pressure
(2) Leukocyte surrounding tissue and attack to vessel wall.
(4) When, leukocytes are activated and releasing of pro-inflammatory and
cytokine.
(5) Then, present as ulceration.
(6) Chronic Inflammatory State / Chronic Venous Insufficiency
27. • After Ulceration / Cell Injury / Subcutaneous
• Lipodermatosclerosis characteristically results from capillary
proliferation, fat necrosis, and fibrosis of the skin and subcutaneous
tissues.
(1) Hypertension leads to an increase of leukocytes in the veins, which migrate
to surrounding tissue.
(2) Leukocytes are activated, releasing proinflammatory cells and cytokines,
inducing a chronic inflammatory state.
(3) Increased collagen production leads to the fibrosis of subcutaneous fat.
Lipodermatosclerosis
28. Hyperpigmentation
• Hyperpigmentation (usually a reddish-brown discoloration) of the ankle
and lower leg is also known as brawny oedema.
• It results from extravasation of blood and deposition of haemosiderin in
the tissues due to long-standing ambulatory venous hypertension.
(1) Hemosiderin (Protein Compound)
(2) Red Blood Cell contain Hemoglobin
(3) Hemoglobin carry Oxygen & Iron
(4) RBC breakdown, releasing of Iron from hemoglobin.
(5) Accumulated fluid lead to Iron Trap upper skin tissue.
29. Physiopathology (2): Varicose Veins
• The venous system acts as both a reservoir and a conduit in the return of blood to the heart
and lungs for oxygenation and re-circulation.
• End capillary venous pressure is low (20 mmHg). Veins are thin-walled and lack the
muscular walls of arteries.
• Therefore, veins require assistance in blood return. This is provided by valves and muscle
pumps - as one walks, the muscle pumps contract and push blood against gravity, and as
the muscle pump relaxes, the fall of the blood is stopped by the valve system.
• When one of these factors is not functioning properly, venous hypertension and
insufficiency can ensue, possibly leading to varicose veins.
• A normal vein wall has three smooth muscle layers that all help to maintain its tone.
• Varicose veins demonstrate marked proliferation of collagen matrix as well as decreased
elastin, leading to distortion and disruption of muscle fibre layers.
33. Anatomic (A)
• As: Superficial
• Ad: Deep
• Ap: Perforator
• An: No venous location identified
34. Pathophysiologic (P)
• Pr Reflux
• Po Obstruction, thrombosis
• Pr,o Reflux and obstruction
• Pn No venous pathophysiology identified
35. Venous Disorder Stages
• Stage 0: No signs that can be seen or felt (like achy or tired)
• Stage 1: Visible blood vessels, including spider veins.
• Stage 2: Varicose veins at least 3 millimeters wide.
• Stage 3: Edema (swelling) but no skin changes.
• Stage 4: Changes to your skin’s color and/or texture.
• Stage 5: Healed ulcer.
• Stage 6: Acute (active) ulcer.
38. VII. Diagnosis
1). Clinical Feature
2). Physical Examination
3). Noninvasive Testing
a) Venous Duplex Imaging
b) Air Plethysmography
c) Computed Tomographic or Magnetic Resonance Venography
d) Other Techniques
4). Invasive Testing
a) Contrast Venography
b) Intravascular Ultrasound
c) Ambulatory Venous Pressure
40. Symptomatic
1) Heavy legs, leg fatigue, aching, and/or discomfort.
2) Burning and itching of the skin and leg cramps.
41. Major
• CVI present with:
1) Dilated veins, varicose vein, tenderness
2) Edema
3) Leg pain
4) Cutaneous changes in the leg.
42. Congenital
• Congenital disorders are those that are present at birth but may be
recognized later in life.
• These include the well-recognized syndromes of:
(1) Klippel-Trénaunay Syndrome (varicosities and venous
malformations, capillary malformation, and limb hypertrophy) and
(2) Parkes-Weber (venous and lymphatic malformations, capillary
malformations, and arteriovenous fistulas).
43. Klippel-Trénaunay Syndrome
• A newborn boy was noted to have a diffuse
erythematous rash at birth.
• He had been born at 40 weeks of gestation to a 19-year-
old gravida 2, para 2 mother who had had adequate
prenatal care.
• The pregnancy had been complicated by chlamydia
infection with documented cure after treatment,
anemia, and an episode of self-limited hives.
• He had been born by spontaneous vaginal delivery and
had Apgar scores of 8 at 1 minute and 9 at 5 minutes.
• Physical examination findings were remarkable for a
diffuse erythematous macular rash with blanching on
his trunk and extremities.
https://www.consultant360.com/article/consultant360/kl
ippel-trenaunay-syndrome
Diffuse Erythematous Macular Rash
45. Link: https://www.nejm.org/doi/full/10.1056/NEJMicm1312948
Parkes-Weber Syndrome
• Fingertip ulcers
• Arteriovenous malformation of the left arm
• Hypertrophy, with a giant arteriovenous
malformation (Fingers, forearm, elbow, and
upper arm)
• Enlarged and tortuous arteries and veins
Parkes Weber syndrome consists of:
venous and capillary malformations
46. Physical examination
• Sign
• Tourniquet Test
(1) Brodie-Trendelenburg Test
(2) Perthes Test
(3) Delbet-Mocquot test
(4)
47. Sign
1) Early signs of CVI: Telangiectasias, Reticular Veins, Corona Phlebectatica
2) Palpation for bulges consistent with varicose veins.
3) Ankle swelling (usually unilateral but may be bilateral) due to oedema is
also common.
4) Severe CVI: Atrophie blanche, Lipodermatosclerosis, and
Hyperpigmentation.
5) Venous ulcers are located in the gaiter area.
48. • CVD represents a spectrum of conditions ranging from simple
telangiectases or reticular veins to more advanced stages, such as
skin fibrosis and venous ulceration.
Leg venous ulceration
49. Brodie-Trendelenburg Test
• Patient's leg is elevated to drain venous blood.
• Elastic Tourniquet (saphenofemoral junction mid thigh and the patient then
stands)
• Rapid filling (<30 seconds) of the saphenous system from the deep system
indicates perforator valve incompetence.
• When tourniquet is released, additional filling of the saphenous system
occurs if the saphenofemoral valve is also incompetent.
50. (1) Negative Varicose Vein
• Patient standing with tourniquet, Varicose is not appearing
• If elastic tourniquet is release and varicose vein is not appearing
• Called: Negative Varicose Vein
(2) Positive Varicose Vein
• Patient standing with tourniquet, Varicose is not appearing
• If elastic tourniquet is release and varicose vein is appearing
• Due to Perforating Vein Incompetence
• Called: Positive Superficial Varicose Vein
(3) Double Positive Varicose Vein
• Patient standing with tourniquet
• Elastic tourniquet is not release but varicose vein is appearing
• Called: Positive Deep Varicose Vein
52. Perthes Test
• Purpose assess patency of the deep femoral vein.
• German surgeon Georg Perthes.
(1) The limb is elevated and an elastic bandage is applied firmly from the toes to the
upper 1/3 of the thigh to obliterate the superficial veins only.
(2) With the bandage applied the patient is asked to walk for 5 minutes.
(3) If deep system is competent, the blood will go through and back to the heart.
(4) If the deep system is incompetent, the patient will feel pain in the leg.
54. Noninvasive Testing
A variety of techniques may be employed to investigate patients with CVI:
1) Duplex Ultrasound
2) Ascending phlebography
3) Computed tomography (CT) and Magnetic Resonance Venography
4) Intravascular ultrasound (IVUS)
5) Air plethysmography
55. Duplex Ultrasound
• Speed of blood flow, and structure of the leg veins.
• Localize sites of obstruction and valvular reflux (deep and superficial
venous systems).
• Goal: Venous Reflux, Retrograde or reversed flow, valve closure time >0.5
seconds.
60. Invasive Testing
Ambulatory Venous Pressure
• Gold standard assessment.
• Insert needle to dorsal foot vein with transducer.
• Detect: Refill time and Leg Pressure
65. IX. Management
(*) Early Management:
1) Wound and Skin Care
2) Pharmacologic Therapy
3) Compressive Leg Garments
(*) Prevention:
• Exercise Therapy
• Conservative Management
(*) Interventional Management:
a) Superficial venous reflux (Saphenectomy,
Endovenous laser therapy, Foam
sclerotherapy)
b) Endovenous Ablative Therapy
c) Endovenous Deep System Therapy
d) Surgical Management
e) Surgery for Truncal Vein
f) Perforator Vein Surgery
g) Valve Reconstruction
66. Wound and Skin Care
• Moisturiser: moisturising cream to combat skin dryness and flaking in
eczematous skin changes and mild stasis dermatitis is generally thought to be
beneficial.
67. Compressive Leg Garments
• Graded Compression Stockings: CVI-related oedema, stasis
dermatitis, and small venous leg ulcers is use of graded compression
knee-high stockings.
68. Pharmacologic Therapy
1) Eczematous skin changes and mild stasis dermatitis
2) Venous leg ulcers
3) Leg pain
• Pentoxifylline or Diosmin: Pentoxifylline is used to
treat claudication, 400 mg orally three times daily.
69. Pentoxifylline
• Classes: Hemorheologic Agents
• Dosage Forms: 400mg
• Intermittent Claudication: Effects may be seen
within 2-4 weeks; recommended to continue
treatment for at least 8 weeks.
• Contraindications: Recent retinal or cerebral
hemorrhage.
Diosmin is most often used for hemorrhoids and leg
sores caused by poor blood flow.
• Side effects: stomach pain, diarrhea, dizziness,
headache, skin redness and hives, muscle pain, blood
problems, and altered heart rate.
70. Interventional
1. Superficial venous reflux
Saphenectomy,
Endovenous laser therapy
Foam sclerotherapy
2. Angiomata and varicosities
3. Perforating vein incompetence
4. Iliac vein obstruction
5. Deep venous reflux
a) Endovenous Ablative Therapy
b) Endovenous Deep System Therapy
c) Surgical Management
d) Surgery for Truncal Vein
e) Perforator Vein Surgery
f) Valve Reconstruction
71. (1) Saphenectomy (vein ligation and stripping)
• Painless technique is the sapheon closure device which uses glue to seal the vein.
• It is used to remove a damaged vein and prevent complications of vein damage.
• If several valves in a vein and the vein itself are heavily damaged, the vein (or the
diseased part of the vein) is removed (stripped).
72. (2) Radiofrequency Ablation Generator & Catheter
• The heating element burns the vein from the inside and the vein shuts down.
73. (3) Foam Sclerotherapy
• This is a relatively Painless
out patient procedure.
• This causes the walls of the
vein to stick together.
• Over time the collapsed vein
turns into scar tissue.
• Sclerotherapy is a non-
invasive procedure taking
only about 30 minutes to
perform.
• Affected: Bruising, Raised
red areas, Small skin sores.
78. Prevention
Primary prevention:
• No specific measures have been shown to prevent CVI.
• Activity
• Long-term treatment with low molecular weight heparin, rather than oral
anticoagulation after DVT, may reduce or prevent development of post-thrombotic CVI.
Secondary prevention:
• Avoided: Prolonged standing, especially in one place.
• Advised to lose weight if obesity.
79. Emerging treatments:
• Balneotherapy
• Spray-applied cell therapy
• Other pharmacological therapies
• Exercise
Balneotherapy is the set of methods and practices
which, based on scientific evidence, use medically and
legally recognized mineral-medicinal waters, muds,
and natural gases from natural springs for therapeutic
purposes inside the facilities of thermal spa centres.
80. X. Complication
1) Haemosiderin
2) Venous ulceration
3) Haemorrhage
4) Infection
5) Severe CVI:
• Atrophie blanche, Lipodermatosclerosis,
• and Hyperpigmentation.
Complication Related:
1) Spermatic cord (varicocele), Esophageal varices
2) Anorectum (hemorrhoids),
3) Varicosities of the legs, Trunk varices
82. XI. Prognosis
(1) If CVI is left untreated it is usually progressive and leads to the post-phlebitic syndrome
and venous ulcers.
(2) Poor Prognosis: CVI + Diabetes and peripheral arterial occlusive disease.
(3) Lifelong graded compression: Patients with severe CVI (CEAP C4-6) or previous ulcers
generally require lifelong graded compression stockings of at least 30 to 40 mmHg.
(4) Recurrence of venous leg ulcers: Failure with stocking.
(5) Mortality rate was very low, 0.0056%.
83. XII. Reference
1) Robert T. Eberhardt, MD; Joseph D. Raffetto, MD
2) https://bestpractice.bmj.com/topics/en-gb/507/prognosis
3) https://www.medi.de/en/diagnosis-treatment/venous-disorders/anatomy-veins/
4) https://lajollaveincare.com/vein-conditions/venous-reflux-is-a-progressive-condition-worsens-
over-time/
5) https://my.clevelandclinic.org/health/diseases/16872-chronic-venous-insufficiency-cvi
6) http://www.sophierenton.co.uk/treatments-for-varicose-veins/
7) https://www.ahajournals.org/doi/10.1161/CIRCULATIONAHA.113.006898