IINSUFICIENCIA Venosa
Disease information
IINSUFICIENCIA Venosa
Venous
Iinsuficiencia
.
Definition.
The venous insufficiency is
a
chronic
disease
of progressive evolution. It begins with functional signs, at first, little excellent:
• Sensation of slowness.
• Creeps and swelling of the extremities.
Later, the signs are accentuated with appearance of:
• Edema during the night, settling progressively during the day,
• nocturnal
Cramps
,
• Finally, edema
chronic
.
The sensation of slowness of legs is frequently bilateral. One attenuates with the march and when putting the legs in stop. Edema is the consequence of
a
diminution of the parietal tone of the veins and the capillaries. This diminution of the resistance of the
glasses
entails
a
vasodilatación and an increase of the hair permeability.
Treatment.
1. Practical advice.
It is necessary to follow
a
certain number of simple rules and advice of life hygiene:
• Evitar long periods of foot or seated, to fight against the sedentarismo, to loosen up the legs; to practice
a
physical exercise regularly: strolls, bicycle, swimming.
• Evitar the very hot heat sources, baths, solar exhibition.
• Prescindir narrow clothes that causes
a
containment tightened in the leg.
• Reducir the consumption of
alcohol
and tobacco.
• Dormir if it is necessary with the legs slightly elevated.
2.
Fitoterapia
.
It is not necessary to forget that
a
great part of the proposed chemical treatments for the venous insufficiency is derived from medicinal plants.
We could select some plants that have
a
great effectiveness associated to
a
perfect
tolerance
. The venotrópicas plants have active substances that differ by their chemical composition. Nevertheless, its therapeutic action can be explained schematically of two forms:
• Stimulation of
muscular
fibers of the venous wall; they are the venotónicas plants:
rusco
,
hamamelis
.
• vitaminic Action
P
: diminution of the hair permeability and increase of the resistance of the wall of the blood vessels:
red
,
brown
grapevine of Indians,
cypress
.
Ginkgo
she - wolf deserves
a
mention aside. It
has
multiple
activities at
vascular
level, as well as exceptional an antirust power.
Venotónicas plants.
The venotónicas plants have components that act on the motricidad of smooth
muscular
fibers. They increase the vigor of the venous wall and they are against the expansion of the vein. This action is exerted, either directly on the
nervous
completion favoring the noradrenaline liberation, or on smooth the
muscular
cell activating the adrenérgicos receivers.
Within the venotónicas plants, the main representative is
rusco
, followed by
hamamelis
.
Plants with vitaminic action
P
.
As it is already known does not exist
a
P
vitamin
,
but
a
set of substances that have an equivalent
activity
: reinforcement of the venous resistance and diminution of the hair permeability. This it is known more commonly as vitaminic factor
P
. These substances belong to the chemical group of the flavonoides in all their meaning, with
a
common
flavónico skeleton.
They are in flavónicos pigment form. Its mechanism of action at level of the venous wall
has
still not been explained completely. Some investigators think that he is
a
mechanism of
enzymatic
inhibition. Experiments in vitro have demonstrated clearly the capacity of flavónicos compounds to inhibit enzymes of degradation of the conjuntivo weave. On the other hand, it
has
been demonstrated that these substances stabilize the structure of the colágeno, doing it less sensible to any type of aggression. These two actions,
enzymatic
inhibition and stabilization of the colágeno, seem reinforced by the antirust power of flavónicos pigments. These pigments have the property to be against to the formation of free radicals that
attack
lipids of membranes of endotelio
vascular
. The protection of these membranes is fundamental since the endoteliales cells need an integrity of the perfect membrane to conserve their physiological permeability. Therefore, the flavonoides diminish the formation of lipoperóxidos of great toxicity for the structures of the conjuntivo weave. The flavónicos pigments are powerful protectors of the set of the venous túnica.
The plants with vitaminic
activity
P
are of great effectiveness in the
problems
of venous insufficiency. Next we will see with detail:
cypress
,
chestnut
tree of Indians and
red
grapevine.
3. Antirust.
We have seen that the free radicals are responsible partly for the membrane
disorders
and the conjuntivo weave of the venous
diseases
. In addition surveys exist epidemiologists, who demonstrate
a
negative correlation between the venous
disease
and the dose of
vitamin
And
a
complementary
vitamin
contribution and or tocoferol seems therefore indicated in case of venous insufficiency.
This
vitamin
is antirust
a
natural
one, that is to say, it acts against the oxidativos phenomena due mainly to its property to react with the free radicals. Being liposoluble, it penetrates in the cell and it takes part preferredly in the nucleus of cellular membranes.
Tocoferol plays an effective role like switch of the reactions of radicals in chain, interposing in the double layer of the phospholipids of membranes. It
has
a
good protective
activity
against the lipídica peroxidation.
He is interesting to indicate that the flavonoides, contrary to the
vitamin
and, are antirust hidrosolubles. Therefore, they complement to the
vitamin
and in the hydrophilic phase of extracellular means.
It is logical, for that reason, to associate these two types of substances, hidrofílicas and lipofílicas. One, acting directly in the site of production of free radicals, and the other taking part in the cellular membrane when constituting
a
wall against the peroxidation and the propagation of the oxidativo
attack
.
Plants adapted for this
disease
.
Rusco
.
Hamamelis
.
Cypress
.
Chestnut
tree of Indians.
Red
grapevine.
Ginkgo
.
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