lecture 8 ectopic pregnancy. abortion prof. vlad tica, md, phd
TRANSCRIPT
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Lecture 8Lecture 8
ECTOPIC PREGNANCY.ECTOPIC PREGNANCY.
ABORTION ABORTION
Prof. Vlad TICA, MD, PhDProf. Vlad TICA, MD, PhD
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ECTOPIC PREGNANCY
DEFINITIONImplantation outside of the uterine cavity
It is a condition that significantly jeopardizes the mother → catastrophic bleeding may occur when the implanting pregnancy erodes blood vessels / ruptures of the tubal wall
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IMPLANT LOCATIONS
Tubal: 95% (80% ampullary portion)
Ovarian: < 1%
Abdominal: 1-2%
Cervical: 0.15%
Cornual: 2%
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ETIOLOGY
Salpingitis - 6x increase the risk of ectopic pregnancy
Operation of fallopian tubes
IUD (intrauterine device)
Dysfunction of fallopian tubes
Other: endometriosis
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OUTCOMES OF ECTOPIC PREGNANCYTubal abortion
8-12 weeks ampullary portion
Rupture of tubal pregnancy 5 weeks isthmic portion
Tubal abortion with subsequent implantation on an intraperitoneal structure, for example
liver pregnancy
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CLINICAL MANIFESTATIONSAmenorrhea - 70-80% (6-8 weeks)
Abdominal and pelvic pain - the most common symptom, which is present in nealy all patients Pain is a result of distented of fallopian tube
and irritation of peritoneum by blood
Irregular vaginal bleeding - results from the sloughing of the decidua
Shock - result from amount of blood loss
Abdominal mass
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PHYSICAL FINDINGS IN TUBAL PREGNANCY
Anemic / pale face
Pulse ↑↓
BP ↓
T < 38 ºC
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ABDOMINAL EXAMINATION
Distention and tenderness with or without rebound
Decreased bowel sound
Shifting dullness positive
Mass
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PELVIC EXAMINATION
Slightly open cervix with bleeding
Cervical motion tenderness
Adnexal tenderness
Adnexal mass
The uterus size may be normal / enlarged
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DIAGNOSTIC PROCEDURES
Typical cases can be determined easy
Early ectopic pregnancy / unruptured type - difficult
It is necessary to need assistant examination
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DIAGNOSTIC PROCEDURES
Typical cases can be determined easy
Early ectopic pregnancy / unruptured type - difficult
It is necessary to need assistant examination
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DIAGNOSTIC PROCEDURES
A. hCG TEST
80-100% positive
Urinary hCG level
Blood hCG level
If hCG negative, ectopic pregnancy does not be rule out
B. TYPE B ULTRASOUND
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DIAGNOSTIC PROCEDURES
C. CULDOCENTESIS
Aid in the identification of peritoneum bleeding
Positive (noncloting blood)
Ectopic pregnancy may be confirmed
Negative ectopic pregnancy does not be depletion
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DIAGNOSTIC PROCEDURES
D. LAPAROSCOPY
It is a direct visualization and accurate method to diagnosis ectopic pregnancy
Even laparoscopy - 2-5% misdiagnosis rate
an extremely early tubal pregnancy gestation may not be identified
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PATHOLOGY OF ENDOMETRIUM
Curettage of the uterine cavity can also help rule out ectopic pregnancy
Identification of chorionic villi in curetting may identify an intrauterine pregnancy
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DIFFERENTIAL DIAGNOSIS
Abortion
Acute salpingitis
Acute appendicitis
Rupture of corpus luteum
Torsion of ovarian cyst
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TREATMENT
SURGICAL TREATMENT
Salpingectomy
Conservative operation
Salpingostomy
Segmental resection and tubal reanastomosis
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TREATMENT
CHEMICAL THERAPY
Drug: MTXMTX
Indications:
The diameter of the mass < 3cm
Unrupture
Not significantly bleeding
hCG level < 2000 UI/L
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ABORTION
DEFINITION
The termination of a pregnancy before 26 weeks from the first day of the last menstrual period
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CLASSIFICATION
Early abortion: < 12 wks
Late abortion: 12-28 wks
Spontaneous abortion
Artificial abortion
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ETIOLOGYGenetic factors
Maternal factors
Infection
Systemic factors, heart disease, sever anemia, endocrine
Reproductive tract abnormality
Immunologic factors
Enviromental factors - Toxin, Radiation, smoking, alcohol
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PATHOLOGY
1. Haemorrhage occurs in the decidua basalis leading to local necrosis and inflammation
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PATHOLOGY
2. The ovum, partly or wholly detached, acts as a foreign body and irritates uterine contractions. The cervix begins to dilate.
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PATHOLOGY
3. Expulsion complete. The decidua is shed during the next few days in the lochial flow
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CLINICAL MANIFESTATIONS
Haemorrhage
usually the first sign
may be significantly if placental separation is incomplete
Pain
usually intermittent, ‘like a small labrur’
it ceases when the abortion is complete
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THREATENED ABORTION
Low abdominal pain Vaginal bleeding
Cervix is closed
Unruptured membranes
Embryo survive
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INEVITABLE ABORTION Bleeding increased
Pain development
Rupture of membranes
Cervix dilation
Embryo tissue incarcerated in the cervix
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COMPLETE ABORTION Uterine contractions are felt,
the cervix dilates and blood loss continues
The fetus and placenta are expelled complete, the uterus contracts and bleeding stops
No further treatment is needed
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INCOMPLETE ABORTION In spite of uterine contractions
and cervical dilatation, only the fetus and some membranes are expelled
The placenta remains partly
attached and bleeding continues
This abortion must be completed by surgical methods
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MISSED ABORTIONMISSED ABORTION
Is the retention of a failed intrauterine Is the retention of a failed intrauterine pregnancy for a extended period, usually pregnancy for a extended period, usually defined as > 2 menstrual cyclesdefined as > 2 menstrual cycles
RECURRENT ABORTIONRECURRENT ABORTION
The patient has had two / more consecutive spontaneous abortions
SEPTIC ABORTIONSEPTIC ABORTION
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TREATMENTINCOMPLETE ABORTION
Remove the embryo and placenta as soon as possible
Negative pressure suction
Embryulcia
MISSED ABORTION Notice blood clot function prevent DIC
SEPTIC ABORTION
Broad-spectrum antibiotics
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REMOVAL OF PLACENTAL TISSUE WITH OVUM FORCEPS
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REMOVAL OF PLACENTAL TISSUE WITH CURETTE
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