This document discusses various screening tests and potential biochemical markers for predicting preeclampsia (PE). It notes that PE is a two-stage disorder involving inadequate invasion of spiral arteries into the myometrium in stage one, followed by an oxidatively stressed placenta releasing anti-angiogenic factors in stage two. Several biochemical markers are mentioned as showing potential for predicting PE, either alone or in combination with ultrasound measures, including placental growth factor, soluble fms-like tyrosine kinase-1, soluble endoglin, PAPP-A, and inhibin A. The document provides details on studies investigating the sensitivity and specificity of these and other markers for PE prediction.
Fetal growth restriction (FGR), formerly called intrauterine growth restriction (IUGR), refers to a condition in which an unborn baby is smaller than it should be because it is not growing at a normal rate inside the womb.
Mild FGR usually doesn't cause long-term problems. In fact, most babies who have it catch up in height and weight by age 2. But severe FGR can seriously harm a baby before and after birth. The extent of the problems depends on the cause and how severe the growth restriction is. It also depends on what point in the pregnancy it starts.
Fetal growth restriction (FGR), formerly called intrauterine growth restriction (IUGR), refers to a condition in which an unborn baby is smaller than it should be because it is not growing at a normal rate inside the womb.
Mild FGR usually doesn't cause long-term problems. In fact, most babies who have it catch up in height and weight by age 2. But severe FGR can seriously harm a baby before and after birth. The extent of the problems depends on the cause and how severe the growth restriction is. It also depends on what point in the pregnancy it starts.
Importance of antioxidant micronutrients in pregancy, importance selenium, copper, zinc. vit c&E pathogenesis etc Deficiencynof micronutrients will cause pre eclampsia and low birth weight babies
Recurrent Pregnancy Loss Sharing Personal Experience (10 years) Lifecare Centre
Complete over view of the causes diagnosis management of Recurrent Pregnancy Loss
it is a personal experience of treating recurrent miscarriages with excellent result
Invited Lecture delivered by Dr Sujoy Dasgupta in a CME, sponsored by Serum Institute of India Pvt Ltd in the Convocation Ceremony of Interns at Sagor Dutta Medical College
Anti-Müllerian Hormone (AMH) is critical for physiologic involution of the Mullerian ducts during sexual differentiation in the male foetus.
In women,AMH is a product of the small antral follicles in the ovaries and serves to function as an autocrine and paracrine regulator of follicular maturation
ESHRE Guideline on Recurrent Pregnancy Loss (RPL)Sujoy Dasgupta
Dr Sujoy Dasgupta invited to deliver a lecture on "RPL- ESHRE Guideline" in the Annual Conference of RCOG (Royal College of Obstetricians and Gynaecologists) IRC (International Representative Committee) India East held on 20-21 May, 2023
Role Of AMH In Infertility , Dr. Sharda Jain , Life Care Centre Lifecare Centre
Role Of AMH In Infertility , Advantage of AMH , Fecundity / Infertility & AMH , Infertility and AMH ,Prediction of pregnancy chances in couples presenting with infertility , AMH in IVF
Early Onset Pre eclampsia, How different is from GHT and late onset Preeclampsia. EO preeclamsia and LO preeclampsia are different entities and needed to be seen separately.
Importance of antioxidant micronutrients in pregancy, importance selenium, copper, zinc. vit c&E pathogenesis etc Deficiencynof micronutrients will cause pre eclampsia and low birth weight babies
Recurrent Pregnancy Loss Sharing Personal Experience (10 years) Lifecare Centre
Complete over view of the causes diagnosis management of Recurrent Pregnancy Loss
it is a personal experience of treating recurrent miscarriages with excellent result
Invited Lecture delivered by Dr Sujoy Dasgupta in a CME, sponsored by Serum Institute of India Pvt Ltd in the Convocation Ceremony of Interns at Sagor Dutta Medical College
Anti-Müllerian Hormone (AMH) is critical for physiologic involution of the Mullerian ducts during sexual differentiation in the male foetus.
In women,AMH is a product of the small antral follicles in the ovaries and serves to function as an autocrine and paracrine regulator of follicular maturation
ESHRE Guideline on Recurrent Pregnancy Loss (RPL)Sujoy Dasgupta
Dr Sujoy Dasgupta invited to deliver a lecture on "RPL- ESHRE Guideline" in the Annual Conference of RCOG (Royal College of Obstetricians and Gynaecologists) IRC (International Representative Committee) India East held on 20-21 May, 2023
Role Of AMH In Infertility , Dr. Sharda Jain , Life Care Centre Lifecare Centre
Role Of AMH In Infertility , Advantage of AMH , Fecundity / Infertility & AMH , Infertility and AMH ,Prediction of pregnancy chances in couples presenting with infertility , AMH in IVF
Early Onset Pre eclampsia, How different is from GHT and late onset Preeclampsia. EO preeclamsia and LO preeclampsia are different entities and needed to be seen separately.
Maternal screening for fetal Aneuploidy- Update on Laboratory TestsDr. Rajesh Bendre
Maternal screening for aneuploidy disorders using maternal serum hormonal immunossay levels & statistical risk algorithm is recommended to be used as a universal process as per ACOG & SOGC. Maternal blood has circulating fetal DNA which can be targeted in screening molecular tests like Non-Invasive prenatal testing(NIPT) for identifying aneuploidy. However, confirmatory tests still are cytogenetics (karyotyping) based tests using sample from amniocentesis or CVS.
Title: Sense of Smell
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the primary categories of smells and the concept of odor blindness.
Explain the structure and location of the olfactory membrane and mucosa, including the types and roles of cells involved in olfaction.
Describe the pathway and mechanisms of olfactory signal transmission from the olfactory receptors to the brain.
Illustrate the biochemical cascade triggered by odorant binding to olfactory receptors, including the role of G-proteins and second messengers in generating an action potential.
Identify different types of olfactory disorders such as anosmia, hyposmia, hyperosmia, and dysosmia, including their potential causes.
Key Topics:
Olfactory Genes:
3% of the human genome accounts for olfactory genes.
400 genes for odorant receptors.
Olfactory Membrane:
Located in the superior part of the nasal cavity.
Medially: Folds downward along the superior septum.
Laterally: Folds over the superior turbinate and upper surface of the middle turbinate.
Total surface area: 5-10 square centimeters.
Olfactory Mucosa:
Olfactory Cells: Bipolar nerve cells derived from the CNS (100 million), with 4-25 olfactory cilia per cell.
Sustentacular Cells: Produce mucus and maintain ionic and molecular environment.
Basal Cells: Replace worn-out olfactory cells with an average lifespan of 1-2 months.
Bowman’s Gland: Secretes mucus.
Stimulation of Olfactory Cells:
Odorant dissolves in mucus and attaches to receptors on olfactory cilia.
Involves a cascade effect through G-proteins and second messengers, leading to depolarization and action potential generation in the olfactory nerve.
Quality of a Good Odorant:
Small (3-20 Carbon atoms), volatile, water-soluble, and lipid-soluble.
Facilitated by odorant-binding proteins in mucus.
Membrane Potential and Action Potential:
Resting membrane potential: -55mV.
Action potential frequency in the olfactory nerve increases with odorant strength.
Adaptation Towards the Sense of Smell:
Rapid adaptation within the first second, with further slow adaptation.
Psychological adaptation greater than receptor adaptation, involving feedback inhibition from the central nervous system.
Primary Sensations of Smell:
Camphoraceous, Musky, Floral, Pepperminty, Ethereal, Pungent, Putrid.
Odor Detection Threshold:
Examples: Hydrogen sulfide (0.0005 ppm), Methyl-mercaptan (0.002 ppm).
Some toxic substances are odorless at lethal concentrations.
Characteristics of Smell:
Odor blindness for single substances due to lack of appropriate receptor protein.
Behavioral and emotional influences of smell.
Transmission of Olfactory Signals:
From olfactory cells to glomeruli in the olfactory bulb, involving lateral inhibition.
Primitive, less old, and new olfactory systems with different path
Rasamanikya is a excellent preparation in the field of Rasashastra, it is used in various Kushtha Roga, Shwasa, Vicharchika, Bhagandara, Vatarakta, and Phiranga Roga. In this article Preparation& Comparative analytical profile for both Formulationon i.e Rasamanikya prepared by Kushmanda swarasa & Churnodhaka Shodita Haratala. The study aims to provide insights into the comparative efficacy and analytical aspects of these formulations for enhanced therapeutic outcomes.
Ozempic: Preoperative Management of Patients on GLP-1 Receptor Agonists Saeid Safari
Preoperative Management of Patients on GLP-1 Receptor Agonists like Ozempic and Semiglutide
ASA GUIDELINE
NYSORA Guideline
2 Case Reports of Gastric Ultrasound
Title: Sense of Taste
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the structure and function of taste buds.
Describe the relationship between the taste threshold and taste index of common substances.
Explain the chemical basis and signal transduction of taste perception for each type of primary taste sensation.
Recognize different abnormalities of taste perception and their causes.
Key Topics:
Significance of Taste Sensation:
Differentiation between pleasant and harmful food
Influence on behavior
Selection of food based on metabolic needs
Receptors of Taste:
Taste buds on the tongue
Influence of sense of smell, texture of food, and pain stimulation (e.g., by pepper)
Primary and Secondary Taste Sensations:
Primary taste sensations: Sweet, Sour, Salty, Bitter, Umami
Chemical basis and signal transduction mechanisms for each taste
Taste Threshold and Index:
Taste threshold values for Sweet (sucrose), Salty (NaCl), Sour (HCl), and Bitter (Quinine)
Taste index relationship: Inversely proportional to taste threshold
Taste Blindness:
Inability to taste certain substances, particularly thiourea compounds
Example: Phenylthiocarbamide
Structure and Function of Taste Buds:
Composition: Epithelial cells, Sustentacular/Supporting cells, Taste cells, Basal cells
Features: Taste pores, Taste hairs/microvilli, and Taste nerve fibers
Location of Taste Buds:
Found in papillae of the tongue (Fungiform, Circumvallate, Foliate)
Also present on the palate, tonsillar pillars, epiglottis, and proximal esophagus
Mechanism of Taste Stimulation:
Interaction of taste substances with receptors on microvilli
Signal transduction pathways for Umami, Sweet, Bitter, Sour, and Salty tastes
Taste Sensitivity and Adaptation:
Decrease in sensitivity with age
Rapid adaptation of taste sensation
Role of Saliva in Taste:
Dissolution of tastants to reach receptors
Washing away the stimulus
Taste Preferences and Aversions:
Mechanisms behind taste preference and aversion
Influence of receptors and neural pathways
Impact of Sensory Nerve Damage:
Degeneration of taste buds if the sensory nerve fiber is cut
Abnormalities of Taste Detection:
Conditions: Ageusia, Hypogeusia, Dysgeusia (parageusia)
Causes: Nerve damage, neurological disorders, infections, poor oral hygiene, adverse drug effects, deficiencies, aging, tobacco use, altered neurotransmitter levels
Neurotransmitters and Taste Threshold:
Effects of serotonin (5-HT) and norepinephrine (NE) on taste sensitivity
Supertasters:
25% of the population with heightened sensitivity to taste, especially bitterness
Increased number of fungiform papillae
Tom Selleck Health: A Comprehensive Look at the Iconic Actor’s Wellness Journeygreendigital
Tom Selleck, an enduring figure in Hollywood. has captivated audiences for decades with his rugged charm, iconic moustache. and memorable roles in television and film. From his breakout role as Thomas Magnum in Magnum P.I. to his current portrayal of Frank Reagan in Blue Bloods. Selleck's career has spanned over 50 years. But beyond his professional achievements. fans have often been curious about Tom Selleck Health. especially as he has aged in the public eye.
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Introduction
Many have been interested in Tom Selleck health. not only because of his enduring presence on screen but also because of the challenges. and lifestyle choices he has faced and made over the years. This article delves into the various aspects of Tom Selleck health. exploring his fitness regimen, diet, mental health. and the challenges he has encountered as he ages. We'll look at how he maintains his well-being. the health issues he has faced, and his approach to ageing .
Early Life and Career
Childhood and Athletic Beginnings
Tom Selleck was born on January 29, 1945, in Detroit, Michigan, and grew up in Sherman Oaks, California. From an early age, he was involved in sports, particularly basketball. which played a significant role in his physical development. His athletic pursuits continued into college. where he attended the University of Southern California (USC) on a basketball scholarship. This early involvement in sports laid a strong foundation for his physical health and disciplined lifestyle.
Transition to Acting
Selleck's transition from an athlete to an actor came with its physical demands. His first significant role in "Magnum P.I." required him to perform various stunts and maintain a fit appearance. This role, which he played from 1980 to 1988. necessitated a rigorous fitness routine to meet the show's demands. setting the stage for his long-term commitment to health and wellness.
Fitness Regimen
Workout Routine
Tom Selleck health and fitness regimen has evolved. adapting to his changing roles and age. During his "Magnum, P.I." days. Selleck's workouts were intense and focused on building and maintaining muscle mass. His routine included weightlifting, cardiovascular exercises. and specific training for the stunts he performed on the show.
Selleck adjusted his fitness routine as he aged to suit his body's needs. Today, his workouts focus on maintaining flexibility, strength, and cardiovascular health. He incorporates low-impact exercises such as swimming, walking, and light weightlifting. This balanced approach helps him stay fit without putting undue strain on his joints and muscles.
Importance of Flexibility and Mobility
In recent years, Selleck has emphasized the importance of flexibility and mobility in his fitness regimen. Understanding the natural decline in muscle mass and joint flexibility with age. he includes stretching and yoga in his routine. These practices help prevent injuries, improve posture, and maintain mobilit
ABDOMINAL TRAUMA in pediatrics part one.drhasanrajab
Abdominal trauma in pediatrics refers to injuries or damage to the abdominal organs in children. It can occur due to various causes such as falls, motor vehicle accidents, sports-related injuries, and physical abuse. Children are more vulnerable to abdominal trauma due to their unique anatomical and physiological characteristics. Signs and symptoms include abdominal pain, tenderness, distension, vomiting, and signs of shock. Diagnosis involves physical examination, imaging studies, and laboratory tests. Management depends on the severity and may involve conservative treatment or surgical intervention. Prevention is crucial in reducing the incidence of abdominal trauma in children.
Knee anatomy and clinical tests 2024.pdfvimalpl1234
This includes all relevant anatomy and clinical tests compiled from standard textbooks, Campbell,netter etc..It is comprehensive and best suited for orthopaedicians and orthopaedic residents.
4. Screening by Maternal History
Rates of preeclampsia depend on: severity of underlying complications&
combinations of risk factors.
Risk %Risk factors
15-40Chronic hypertension/renal disease
10-35Pre gestational DM
10-20Connective tissue disease (lupus, rheumatoid arthritis)
10-40Thrombophilia (acquired or congenital)
10-15Obesity/insulin resistance
10-20Age older than 40 y
10-35Limited sperm exposure
10-15Family history of preeclampsia/ cardiovascular disease
1.5 foldWoman born as SFGA
2-3 foldAdverse outcome in a previous pregnancy: IUGR, abruptio
placentae, IUFD
6. SCREENING TESTS FOR PE (WHO, 2004)
I. Placental perfusion & vascular resistance
dysfunction
Mean arterial blood pressure
Roll over test
Doppler ultrasound
Isometric exercise test
Intravenous infusion of angiotensin II
Platelet angiotensin II binding
Platelet calcium response to arginine vasopressin
Renin
24-hour ambulatory blood pressure monitoring
11. Play a central role in the pathogenesis and
be specific for the condition.
Appear early or before the clinical
manifestations.
Placental factors that can be detected early
in pregnancy are likely to be good
biochemical markers for PE prediction.
12. Correlates with clinical severity of
preeclampsia and perinatal
outcomes.
Despite a good amount of studies,
not of all studies suggest that the
serum uric acid levels may begin to
rise before the onset of hypertension
and proteinuria.
13. an early sign of renal involvement in
preeclampsia- ↓↓ renal clearance
due to altered tubular processing of
uric acid preceding glomerular
affliction.
the discriminatory value of serum
uric acid as a predictor of
preeclampsia remains to be proven
14. .
Recent study- sensitivity of 22%
specificity of 85% for prediction of PE.
The disappointing results of recent studies raises doubts
about usefulness as a continuing test.
15. I. Biophysical
Mean arterial pressure
•Better predictor of PE than S& D BP
(BMJ 200817;336:111; Meta-analysis of 34 RCT)
2nd trimester MA BP ≥ 90 mm Hg had +ve LR 3.5
and –ve LR 0.46
•BP remains the cornerstone of early diagnosis
although it has limitations:
measurement errors associated with sphygmomanometer
effect of maternal posture on BP in pregnant women.
16. • 84% developed PE.
• Microproteinuria > 375mg/l may be significant
•Could be utilized as a screening test for the
early detection of a woman at risk of
developing preeclampsia.
•There is no diagnostic value of
microalbuminuria and the calcium/creatinine
ratio when used alone.
17. Suggested as a predictive first trimester
marker for PE .
Given the low screening performance of the
study, cystatin C is probably not clinically
useful as a single marker but could be useful
in combination with other biochemical
markers.
18. Suggest that possible cellular battle against
mitochondria-originated oxidative stress
test resulting in recovery or apoptosis.
The over expression of chaperonin 60, GST,
VDAC, Erp29 and cathespin D in
PE makes it a ideal marker of predicting
preeclampsia .
19. Women with PE present a unique urine
proteomic fingerprint composed of
SERPINA1 and albumin fragments that
predicts PE in need of mandated delivery
with highest accuracy.
To distinguish preeclampsia from other
hypertensive or proteinuric disorders in
pregnancy.
20. Cell free DNA is a promising new
marker.
Increased before the onset of
disease
Int j Mol Sci 2015
21. Urinary excretion of N-acetyl-beta-
glucosaminidine, a lysosomal enzyme of the
renal tubular cells ↑↑↑ in normal pregnant
women and in woman with transient
hypertension Vs non pregnant healthy
controls.
In PE, the increase was much higher than
corresponding to their gestational age
22. Pre-eclampsia Vs gestational
hypertension or chronic
hypertension.
↑↑↑Thrombomodulin may serve
as a clinical marker to
differentiate preeclampsia from
other disorders of pregnancy.
23. •in the first trimester is a example where a
combination of ultrasound and biochemical
markers are used.
• Measurement of other indices with inhibin
A can produce a test with greater sensitivity
for PE as occurs with triple or quadruple
blood tests for Down's syndrome ?
24. Inhibin A is the best predictor of Pre-eclampsia
out of unconjugated estriol,beta hcg at second
Trimester.
A more sensitive marker for the prediction of
preeclampsia than hCG.
hCG + inhibin did not improve the screening
efficiency for preeclampsia
suggesting that inhibin-A and hCG are markers of
the same underlying pathological process
Fetal Diag Therapy 2011
25. Midtrimester beta-hCG levels alone
correlated significantly with the
severity of preeclampsia.
Combination of Maternal Serum
hCG levels, BMI,parity and age as a
predictive test for preeclampsia was
far superior to hCG alone.
Sensitivity of 70% , Specificity of 71
%.
26. Serum levels of collagen synthesis,
procollagen I, carboxy- terminal peptide
(PICP) and procollagen111 amino-terminal
peptide (PIIIP), in patients with
preeclampsia and controls.
The markers were mildly elevated in
preeclampsia, but unlikely to be useful in the
prediction of preeclampsia
27. Preeclampsia is a 2 stage disorder
Stage 1
Invasion of Spiral Arteries
into myometrium is
inadequate.Stage 2 in late
pregnancy
Oxidatively stressed placenta
releases antiangiogenic proteins
Tyrosine kinase 1 ,PGs and
Cytokines.Hypoxic placenta reduces
the production of pro angiogenic
factors –Placental Growth Factor
PIGF,VEGF
28. Glycoprotein synthesized in the placenta
Maternal plasma conc. increases through out
pregnancy.
PAPP-A ,b-hCG and nuchal translucency
thickness, to screen for trisomy 21, 13 and
18 at 11 to 13 weeks GA.
In fetuses with normal chromosomes ↓ PAPP-
A in 1st trimes - ↑↑↑ risk for PE, IUGR, SGA
and preterm delivery
29. when used as a single biochemical marker, is
only about 10 to 20 % Sensitive.
Combined with Doppler ultrasound, PAPP-A
is a powerful predictive biochemical marker
of PE
prediction rates of 70% at false positive
rates of 5%.
At term, plasma PAPP-A have been shown to
increase in pregnancies complicated by PE
and HELLP, but its concentration is still not
predictive
30. a member of the galectin family
produced by the placental trophoblast cells
and is associated with normal placentation.
In normal pregnancies, serum PP13 slowly rise
with GA.
↓↓ levels in the first trimester in pregnancies
that subsequently develop PE.
31. Serum screening + Doppler ultrasound
pulsatility index (PI),
Prediction rate 71% at a false
positive 10%
PP13 was concluded to be a
reasonable biochemical marker for
early onset and preterm PE but a
weak marker for PE at term
32. Endoglin is homodimeric transmembrane
glycoprotein .
33. The levels correlate with the time
of onset of clinically manifest PE
and partly with disease severity.
Early-onset PE exhibits higher levels
of sFlt
↑↑ is observed ~5 weeks before
onset of PE
34. .
.
soluble endoglin (s-Eng) . sEng+ Doppler
ultrasound (PI) and PlGF, the prediction
rate for early onset PE was 77.8% at a false
positive rate of 5%
sFlt-1 levels are stable during early &
mid gestation ,then increase
significantly during late stages
35. Maternal plasma sEng and
Uterine artery PI are ↑↑.
PIGF and PAPP-A are ↓
Uterine Artery PI was ↑↑ .but no
significant difference in the
maternal plasma conc.of sEng or
sPAPP-A
Late PE
36. .
Low increase in PlGF in early pregnancy
,independent of change in sFlt-1 is
associated with high risk –PE.
Low or no ↑↑ in serum free PlGF , VEGF & high
conc. of sFlt-1 a strong predictor of early PE.
Low increase in PlGF & low ↑↑ in sFlt are
associated with 10 fold higher risk of pre term PE
37. In the unaffected group, multiple
regression analysis - at 30-33
weeks serum sEng for third-
trimester log10 sEng was
significantly lower in women of
Afro-Caribbean racial origin than in
Caucasians ,
higher in nulliparous than in parous
women.
Consequently sEng must be
adjusted for these variables before
comparing with pathological
pregnancies
38. Higher sEng in women developing PE and the
inverse relation between the level of sEng and
GA at delivery for PE is compatible with the
role of this anti-angiogenic factor in inducing
vascular endothelial cell injury and dysfunction
before the clinical onset of the disease
39. sEng+ Doppler ultrasound (PI) and
PlGF, the prediction rate for early
onset PE was 77.8% at a FP rate of
5%
40.
41.
42.
43. As a single biochemical marker, PlGF has
been shown to predict 53.5% of early onset
PE at a false positive rate of 5%
at a false positive rate of 10% in late first
trimester.
44. PlGF could be a promising
biochemical marker even in the first
trimester particularly if combined with
HbF and A1M.
45. Increase in sFlt -1 ,↓PIGF and VEGF .
sFlt-1 soluble vascular endothelial growth factor
receptor-1
47. 0.01 0.1 0.2 0.5 1 2 5 10
Progesterone 0.21 (0.03, 1.77)
Nitric oxide donors and precursors 0.83 (0.49, 1.41)
Diuretics 0.68 (0.45, 1.03)
Antiplatelets 0.81 (0.75, 0.88)
Antihypertensives v none 0.99 (0.84, 1.18)
Marine oils 0.86 (0.59, 1.27)
Magnesium 0.87 (0.57, 1.32)
Garlic 0.78 (0.31, 1.93)
Energy/protein restriction 1.13 (0.59, 2.18)
Isocaloric balanced protein supplementation 1.00 (0.57, 1.75)
Balanced protein/energy intake 1.20 (0.77, 1.89)
Nutritional advice 0.98 (0.42, 1.88)
Calcium 0.48 (0.33, 0.69)
Antioxidants 0.61 (0.50, 0.75)
Altered dietary salt 1.11 (0.46, 2.66)
Rest alone for normal BP 0.05 (0.00, 0.83)
Exercise 0.31 (0.01, 7.09)
Bed rest for high BP 0.98 (0.80, 1.20)
Ambulatory BP
1
4
4
43
19
4
2
1
2
1
3
1
12
7
2
1
2
1
0
128
170
1391
33439
2402
1683
474
100
284
782
512
136
15206
6082
631
32
45
228
0
Relative Risk (95% Confidence Interval)
RR (95% CI)Intervention No of RCTs No of women
Primary Prevention Of PE
48. Uterine artery Doppler ultrasound
Impaired trophoblastic invasion of the spiral
arteries: reduction in uteroplacental blood flow}
•High pulsatility index and/or Notch in 1st & 2nd
trimesters: poor predictor of PE(Papgeorghiou & Leslie, 2007)
Uterine artery Doppler plus biochemical markers
•Promising results
•Current data do not support this combination for
routine screening for PE (Barton& Sibai, 2008).
50. Clinical
examination
Sensitivity Specificity
Body mass index
(BMI)
BMI ≥ 25 47%(33-61) 73%(64-83)
BMI ≥ 30 19%(19-20) 90%(88-93)
BMI ≥ 35 21%(12-31) 92%(89-95)
Blood pressure in
the first trimester
Mean arterial
pressure ≥90mmHg
62%(35.89) 82%(72-92)
Hemodynamic
investigations
Uterine artery
doppler in second
trimester
High PI and
notching in low-risk
23%(14-35) 99%(98-99)
High PI and
notching in high-risk
83%(36-100) 96%(90-99)
51. HbF and A1M play a role in the
pathophysiology of PE .
The biochemical markers appear as early as 10
weeks of gestation .
can be measured with basic ELISA techniques
and show a high prediction rate at a low
false positive level.
52. Serum HbF and A1M ↑↑ at 10 to
16 weeks’ who subsequently
developed PE.
HbF and adult hemoglobin
(HbA) significantly correlated to
maternal BP in patients with
established PE
53. Maternal plasma free HbF
correlate well with severity, i.e.
blood pressure, in term PE
pregnancies .
54. bind and degrade heme
Free radical-scavenger properties , protect
tissues against extracellular Hb, heme and ROS .
Pathogenic role of Hb and protective role of A1M
in PE is supported by placenta perfusion
experiments .
Maternal serum HbF and A1M- predictive and
diagnostic markers for PE, have shown
promising results .
55. The genes on which the errors were
identified (MCP factor I and factor H) play a
role in regulating immune response .
This could explain their possible link to PE
Women with lupus and other autoimmune
diseases - in the study - ↑↑ed risk of PE.
57. Biomarker 1st trim 2nd trim Symptomatic Combination Also
correlated
with
PAPP-A ↓ ↓ ↓ SGA
PP-13 ↓ ↑ ↑ US UIGR,preter
m
Fdna ↑ ↑ ↑ Inhibin-A IUGR,
polydramios
trisomy
21,18
preterm
DNA ↑
SFlt-1 ↑ ↑ sEng, PIGF,
VEGF, US
PIGF ↓ ↓ ↓ sEng,sFit-1 SGA
sEng ↑ ↑ sFit-1,PIGF,US IUGR, HELLP
P-selectin ↑ ↑ ↑ Activin A,sFit-1
PTX-3 ↑ ↑ ↑ IUGR
Summary of Potential Serum Biomarkers for Prediction of Preeclampsia
58. There is no proven
effective method for
prevention of
Preeclampsia
59. Pharmacological
prophylaxis
Nutritional
supplement
Lifestyle
intervention and
diet
Antiplatelet
agents
Nitric oxide
agents
Low-molecular
weight heparin
Antihypertensive
s for mild and
moderate
hypertension
Progesterone
Diuretics
Calcium
Antioxidant
Folic acid
Magnesium
Marine oil and
prostaglandin
precursors
Rest
Exercise
Altered dietary
salt
Energy and
protein intake
Garlic
CAN COMBINED SCREENING LEAD TO TRAGETED PREVENTATIVE THERAPY?
Treatments evaluated for preeclampsia prevention
60. Aspirin
Largely ineffective, except in subgroup of
“clinically” high-risk women
Nitric oxide donors Ineffective
Diuretics ineffective
Progesterone ineffective
Low-molecular weight heparin
Largely ineffective, except in small subgroup
of thrombophiliac
Recombinant investigational
Calcium
Largely ineffective, except
in setting of low dietary
calcium intake (<600
mg/day or corresponding to
less than two dairy servings
per day)
Magnesium Ineffective
Folic Acid Ineffective
Antioxidants (vitamin C&E) Ineffective
Efficacy of medications proposed to prevent preeclampsia
Efficacy of dietary supplements proposed to prevent preeclampsia
61. Folic 0.46(0.16-1.31)
Magnesium 0.87(0.57-1.32)
Marine oil 0.86(0.59-1.27)
Lifestyle interventions
Rest 0.05(0-0.83)
Exercise 0.31(0.01-7.09)
Altered dietary 1.11(0.46-2.66)
Energy and protein intake 1.2(0.77-1.89)
Garlic 0.78(0.31-1.93)
63. At 11-13 weeks aim for early prediction of
early PE
BECAUSE PREVALENCE CAN BE
POTENTIALLY REDUCED BY THE
PROPHYLACTIC USE OF LOW-DOSE
ASPIRIN (started before 16 weeks
Gestation
64. What are the cut-offs? Gestational age specific? sFlt-
1/PIGF or PIGF/sFlt-1 ratio?
When to start the testing, and at what interval?
Preeclampsia is a heterogeneous disease. The disease
with an earlier onset (<32 Weeks’) is more
homogeneous and more predictable.
Incorporation into first or second trimester selecting
for fetal Down syndrome? Genetic susceptibility must
be taken into account.
Expectant management of second preeclampsia
(prediction of disease progression)?
Can serum antigenic peptides help selecting suitable
candidate and predict the perinatal outcomes?
65. There is no clinically useful test to predict
Pre-eclampsia at present
Care must be given to cost effectiveness and
applicability to general practise
66. When U know something, to hold
that you know it &
when U don’t know something,
to allow that you don’t know it,
that is Knowledge
Confucius ( 55BC – 479
BC)