Endothelial dysfunction at an early age even at teens age is not an uncommon assocation in PCO women , Who is responsible?
Why endothelial dysfunctions occur at an
early age (teens) at an early age to some girls? Are there any warning symptoms
which we Gynecologist ignore or parents overlook? Mechanisms involved is the development of endothelial dysfunction at
an early age even at teens age, Who is
responsible, It is Dr S K Pal-for not communicating the message that “behind the cloud of secondary amenorrhea
or even behind oligomenorrhea( there is thunder ( Cerebral stroke/Heart attach-thrombosis)-is
there.
Let us promise .: We should ,from today
seriously treat the PCO with oligomeno
as nor all PCO have menstrual abnormality neither all PCO are ovulatory,
Nowadays, it is clear that PCOS is a pro-inflammatory state, and emerging data from
West reaffirmed that that chronic low-grade inflammation supports
the development of metabolic aberration and ovarian dysfunction . What leads to damage to endothelium?? The
scientists have suggested the following:
·
Reduced synthesis and release of
nitric oxide (NO).
·
Enhanced inactivation of
NO after its release from endothelial cells.
·
Enhanced synthesis of
vasoconstricting agents.
·
Insulin itself acts directly on the
vascular endothelium and the smooth muscle cells by a hypertrophic effect.
Insulin stimulates both
endothelin-1 and NO activity in the skeletal muscle circulation: an imbalance between the releases of these
factors may be involved in the pathophysiology of endothelial dysfunction.
We the Gynecologist, if
we take the charge of caring a teen of PCO must also know Nitric oxide signaling!!!!
Who will teach us?? Metabolic physician?
They are too busy. In normal women, aging per se is 'associated with
progressive attenuation of nitric oxide signaling;
in PCOS women, these changes are present in early adult life, predisposing polycystic ovarian syndrome patients to
premature atherosclerosis; in fact, high levels of plasmU ADMA were found:
endogenous NO synthase inhibitor NG-NG-dimethyl-L-arginine
(ADMA) is a biochemical marker/mediator of endothelial dysfunction
Furthermore, the
important role of obesity in the mechanism of endothelial dysfunction in PCOS women was shown: in humans, adiponectin
enhances endothelium-dependent and endothelium-independent
vasodilatation, reduces levels of TNF-a, and diminishes its effects on
endothelial cells , in turn, reduces neointimal
thickening and proliferation of smooth muscle cells, inhibits endothelial cell proliferation and migration, inhibits
endothelial effects of oxidized LDL, and
Attenuates growth factor
effects on smooth muscle cells.
Surprise 7:_- CRP is the
most reliable circulating marker of chronic low-grade inflammation in PCOS, but unfortunately, how
many of us estimate CRP in a case of anovulation or says oligomeno irrespective
of BMI, abnormal behavior of growth factors. Is this test affordable for our population
and if affordable is it treatable, CRP is the most reliable circulating marker
of chronic low-grade inflammation in PCOS. Recently,
CRP was found to be a direct promoter of the atherosclerotic
processes and endothelial cell inflammation leading to atherothrombosis.
CRP has a direct role in
the vascular inflammatory process stimulating the release of
inflammatory cytokines and increasing endothelial expression of cellular adhesion
molecules, which mediate leukocyte migration.
One recent study has suggested
that increased cardiovascular risk may be seen in 83.3 % of the PCO women with CRP >2.42 mg/1...
CRP values <1 mg/1
are considered low risk, 1-3 mg/1 are considered intermediate
risk, and 3-10 mg/1 are considered high risk for cardiovascular disease .
Get acquanatied with has-CRP!!!
How relevant is estimation of has-CRP? IMT is an independent predictor of stroke and
myocardial infarction Anatomic evidence of
early coronary and other vascular diseases in PCOS women has been reported and increased and Metabolic physicians have time and again
pointed out that, IMT has been linked to cardiovascular risk factors including
dyslipidemia and obesity, and it is considered an independent predictor
of stroke and myocardial infarction.
The role of hs-CRP
in predicting increased carotid intima-media thickness is not independent
of BMI in PCOS
Relevance of Non pelvic
USG in PCOS/ Obese women!!!The issue of Coronary artery calcification/ Vs
Hepatic USG? To me it appears a late
but good & reproducible another marker of atherosclerosis, is more common in women with PCOS than in controls, even after
adjustment for the effects of age and BMI
Statins reduce plasma triglycerides in a
dose-dependent manner, and they also have a modest HDL-raising effect, which is
not dose dependent.
Should we supplement
lipid lowering agents and Vit D to all obese women? As dyslipidemia is a
component of metabolic syndrome, atorvastatin and simvastatin have been used in PCOS women to investigate
their effects on this common syndrome.
To date, there are
limited data on the use of statins in PCOS, but short-term use of statins alone or in combination with metformin
appears to improve lipid levels in PCOS. In a meta-analysis, statins
were more effective than placebo in reducing
total cholesterol, LDL, and triglycerides; lipid profile improvement occurred within the first 3 months of treatment,
with no further significant change thereafter.
How many of us combine metformin with statins
in PCOS women here dyslipidaema have been documented as well as HOMA-IR are
positive? A combination of metformin with statins was
more successful than metformin alone in lowering fasting glucose, fasting
insulin, LDL cholesterol, and triglycerides.
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