Varicose veins Flashcards
1
Q
What are varicose veins
A
- Long, dilated, tortuous superficial veins
2
Q
Who gets them and how common
A
15-35% women (v common in pregnancy)
3
Q
What are the primary causes (95%)
A
- Idiopathic
- Congenital valve absence
- AV malformation (increase pressure)
- Overactive muscle pumps
4
Q
What are some secondary causes (5%)
A
- Obstruction - DVT, ovarian tumour, foetus
- Destruction - DVT
- Constipation
5
Q
What are some risk factors
A
- Female (pregnancy)
- prolonged standing
- Obesity
- FHx
- OCP
- Age
6
Q
What is the pathophysiology
A
Valves = incompetent = venous hypertension + dilation of superficial veins
7
Q
What are the signs
A
- ‘atrophice blanche’ - white scar (usually lower leg) after injury to area w. low blood supply
- Oedema
- Eczema
- Ulcers
- Haemosiderin –> causes brown staining of skin
- haemorrhage
- Phlebitis
- Skin hardening
8
Q
What are some DDx
A
- Osler-Weber-rendu syndrome
- Cellulitis
- Superficial phlebitis
- DVT
9
Q
How do you investigate this
A
- Doppler
- USS
- colour flow imaging
10
Q
How do you treat varicose veins
A
NON-PHARM
- lose weight/exercise, avoid long standing, support stockings
ENDOVASCULAR Tx
- Radio frequency ablation
- Endo-venous laser ablation
- Injection scleropathy –> all seal in long saphenous vein
SURGERY
- Avulsion
- Veins tripping
- Saphofemoral ligation - trendelenburg procedure
11
Q
What are some complications
A
- lipodermatosclerosis
- eczema
- oedema
- venous ulcer
- thrombophlebitis
- DVT/PE - bc of Tx