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Rupture of uterus 子宫破裂
Lin Jianhua M.D., Ph.D., Professor
Department Of Obstetrics & Gynecology Renji Hospital Affiliated to SJTU School of Medicine
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Definition
• Separation of the muscular wall of the uterus
• usually occurs during labor
• occasionally happen during the later weeks of pregnancy
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causes
During pregnancy
• weak scar after previous operations on the uterus
• History of cesarean section (VBAC,vaginal birth after c- section)
• myomectomy
• excision of a uterine septum
• previous perforation of uterus(D&C, hysteroscopy, forceps delivery
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During labor:• uterine hyper-stimulation(oxytocin with pitocin indu
ction or argmentation of labor)• obstructed labor(macrosomia, feopelvic dispropotio
n)• intrauterine manipulation(internal version,manual re
moval of an adherent placenta)• forcible dilatation(cervical tear)• a weak scar(C-section or other operations)
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types
• Incomplete rupture
• complete rupture
• depending on whether the peritoneal coat is torn through or not
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Symptoms and signs
1. Rupture of scar
• be gradual that symptom is very slight in incomplete rupture
• abdominal pain wrongly attributed to the onset of labor
• severe pain and shock occurs in complete (suddenly pain)
• fetal distress
• bleeding in vagina
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2.Spontaneous rupture during obstructed labor
• prolonged labor
• violent uterine actions,
• *pathologic retraction ring
• disporpotion, malpresentation(transverse lie)
• fetal distress
• a sharp, tearing pain in lower abdomen
• pulse rapid
• blood pressure fall
• fetus may be felt in the abdominal cavity
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3. Rupture by oxytocin drugs:
• be follow the administration of oxytocin
• the danger is less if the drug is given as a dilute intravenous drip given in an increasing fashion
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Prognosis
• has a high mortality
• peri-natal morbidity is high
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treatment
• Women’s general condition must be improved
giving morphome, blood transfusion,glucose solution)
• immediate laparotomy
• hysterectomy
• wide-spectrum antibiotics
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Key word
• The causes of the rupture of the uterine
• pathologic retraction ring
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THANKS FOR YOUR ATTENTION
Lin JianhuaLin Jianhua
M.D., Ph.D., ProfessorM.D., Ph.D., ProfessorDep. of Obstet. & Gynecol.Dep. of Obstet. & Gynecol.
Renji Hospital Affiliated to SJTU School of MedicineRenji Hospital Affiliated to SJTU School of Medicine