Vol Vi Issue 11, nov
2008
In this issue
-
Genital
tuberculsis
-
Pathophysiology
of Erythroblastosis fetalis
In previous issue
-
Lady delivered
a girl child by embryo donation
2. Cerebral
Palsy in neonate : Is obstetrician always responsible |
Dear Colleagues
I wish you happy dussera and forthcoming Diwali
In previous two months 18 babies took birth conceived by IVF and
ICSI techniques.
We have achieved 45.2 % success rate in age group below 30 yrs.
In this issue I am putting one case who delivered by embryo
donation. The couple came from Nepal for treatment by the
reference of their relative in Jabalpur. Both the husband and
wife were devoid of gametes. As this was major problem they
should either adopt or go for embryo donation. They chose the
second one and their Didi-Jijaji helped them by donating their
embryos.
Second topic I feel is very important for obstetricians and
pediatricians . There is always a love and hate relationship
between the two esp. when there is neurological problem in
immediate neonatal life. Obstetrician is usually blamed for the
affair and some times the matter goes to court of law to fix
the responsibility. I tried to make one thing clear that ,
intrapartum hypoxia responsible for cerebral palsy is correct,
in very less number of cases and it has to be established by
various criteria before the obstetrician is held responsible.
With good wishes
Dr.D’Pankar Banerji
1.Lady delivers a baby girl by donated embryo
Jabalpur.
Premature failure of the ovaries is a devastating phenomenon
for young girls. It creates stoppage of period and release of
eggs .The reason is still unknown but most of the time it is
disoprder of genetic origin or immunological problems.
These girls as they are devoid of eggs ,hence the pregnancy is
impossible on there own. Previously the only way to get a child
was through adoption. But there is always a great desire for
motherhood for any married girl.
Test tube baby came as a great saviour for these couples.
In our center: Ideal fertility and test tube baby
center,Jabalpur one couple came from Nepal ( Mrs. Renu Age
27yrs,wife of Mr. Prakash Thapa--Name changed )for treatment .
They were married for 6 yrs and donot have any issue.On
examination it was found that wife had no menstrual period since
five yrs ,all her eggs are lost and her husband is devoid of any
sperms in his semen. Renu has an intact uterus . Only way to get
a child was to get an embryo and place in her uterus .But from
where to get an embryo and how to make it?
For there help Renu contacted her sister and brother in law. Her
sister had one child by natural way . Her sister was then
explained about the test tube baby and making an embryo with her
husbands sperms and then put it in her sister's ( the patient)
uterus.
Both the sisters were then taken for treatment. After one month
treatment Renu's uterus is prepared for recieving an embryo . In
the mean time the donor's eggs are created by giving drugs . On
appropriate day the eggs are retrieved or taken out from the
ovary under general anesthesia( it does not require any
operation). Under the watchful eyes of Dr.Rinku Banerji, The
Embryologist of the center, the eggs are then fertilized
artificially by Renu's brother in-law's sperms in lab
environment, mimicking all the ingradients of inside atmosphere.
The embryos were formed and grown for five days to stage called
blastocyst,the stage exactly when the fertilized egg enters into
the uterus in natural fertilization. This blastocyst embryo was
then gentlely put into Renu's uterus on 5th January 2008 and
drugs started for its support .
A pregnancy was confirmed after 15 days of embryo transfer. The
pregnacy continued and on 9th september 2008,Renu delivered a
baby girl by cesarean operation, a perfectly healthy child.
It is a miracle of test tube baby technique that Renu borrowed
an embryo from her sister and brother in-law and delivered a
girl child ,which was beyond expectation few years ago
-
Cerebral Palsy (CP)in
neonate : Is obstetrician always responsible
For many years CP has been attributed to the occurrence of
intrapartum hypoxia. Epidemiological studies suggest that the
incidence of CP secondary to peripartal events is 8-15% ,rest
are due to other reasons and even for those reasons ,the onus
most of the times goes to the person who conducted the delivery
Essential criteria to define an intrapartum event as possible
cause of cerebral palsy
-
Evidence of
metabolic acidosis in intrapartum umbilical arterial blood or
very early neonatal blood samples ) pH < 7.0 and base deficit
_> 12.0 mmol/L
-
Early onset of
moderate or severe neonatal encephalopathy in infants > 34
weeks gestation
-
Cerebral palsy of
the spastic quadripegic or dyskinetic type .
Criteria that together suggest an intrapartum events that may be
responsible for cerebral palsy but by themselves are not
specific
-
A sentinel hypoxic
event occurring immediately before or during labor
-
A sudden, rapid and
sustained deterioration of the fetal heart rate patterm
usually following the sentinel event where the pattern was
previously normal.
-
Apgar scores of 0-6
for longer than 5 minutes
-
Early evidence of
multisystem involovement
-
Early evidence of
acute nonfocal cerebral abnormality .
One of the most important and frequent causes of
neonatal encephalopathy and CP is intrauterine infection.
Clinical and histological chorioamnionitis are significant risk
factors for CP and periventricular leukomalacia. Also it is well
known that newborn with proven sepsis or born to infected
mothers are at increased risk for the development of CP.
Furthermore , the development of fever during labor , a sign
usually associated with infection or with epidural anesthesia
has a strong correlation with the development of neonatal
seizures.
Fetal inflammatory response syndrome : Intrauterine
infection is associated with inflammatory response of the host
and was the cause of the brain abnormality in neonate. It was
found that newborns that developed CP were born to women with
high concentrations of IL-6 and IL –8 ,high white blood cell
counts in the amniotic fluid and with neutrophil infiltration
into the umbilical vessels or the Wharton’s jelly .
The clinical symptoms and signs of the fetal inflammatory
response syndrome are similar to those caused by severe fetal
hypoxia. Fetal tachycardia, minimal or absent variability,
severe variable or late decelerations, episodes of fetal
bradycardia, and meconium in the amniotic fluid are indicators
of the nonreassuring fetal situations that may be caused by
hypoxia or by inflammation.
At the time of birth the similarities between fetal inflammatory
response and intrapartum hypoxia continue.
The fetal inflammatory response syndrome is characterized
biochemically by the production of proinflammtory cytokines,
particularly IL-1B,IL-6 and TNF-a. These cytokines increase the
permeability of the blood brain barrier and have a direct
cytotoxic effect on oligodendrocytes that are the cell
responsible for the production myelin.. Brain development in
the preterm infant is dependent on the availability of myelin
and CP will result from the interference of cytokines with
myelin production .
Hence non hypoxic causes of neonatal encephalopathy may be :
-
Fetal inflammatory
response syndrome
-
Fetal hypoglycemia
-
Fetal infection
-
Fetal congenital
disease
-
Maternal infections
-
Fetal metabolic
disorders
-
Toxic effects of
drugs
-
Congenital
myopathies
Thus a newborn who is not doing well in immediate neonatal life
,the intrapartum hypoxia is not always the cause ,rather it
affects only 8-10 % of the babies , and the obstetrician who has
conducted the delivery should not be seen as the responsible
person for this neonatal abnormal behavior.
The vaginal infection during the later part of the pregnancy
should be taken seriously and should be treated by vaginal
clindamycin pessaries . The urinary tract infection has to be
treated properly ,because it is also found to be one of the
responsible fator for preterm delivery and fetal inflammatory
response syndrome.
Subacute chorioamnionitis may be one of the important factor
caused by regular vaginal flora, which may harm fetal neuronal
system ,even though the delivery is managed carefully
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