Vasa previa ( antepartum haemorrhage )


antepartum haemorrhage (APH)

• Bleeding in to genital track often period of viability till delivery

Causes

  1. Abruptio placenta 

  2. Placenta previa

  3. Vasa previa

Vasa previa 

  • It is a complication of pregnancy in which fetal blood vessals cross or near the internal cervical os.
  • These vessels are at risk of rupture when supporting membranes rupture, as they are unsupported by the umbilical cord or placental tissue



Risk factors
  •  velamentous insertion of the umbilical cord
  • The blood vessels are attached to the amnion, where they divide before reaching the plecenta
  •  multiple gestation
  •  IVF pregnancy
Assessment
  •  Apt test / alkali denaturation test / singers test  Fetal blood (Hb FT) is resistant to alkaine ph.
Management
  • In this condition delivery conducted by Cesarean section

Other causes 

RUPTURE OF THE UTERUS 
  •  separation of the uterine tissue as a result of a tear in the wall of the uterus from the stress of labor 
 Risk factors 
  •  Previous cesarean 
  •  Over distended uterus 
  •  trauma
Clinical presentation
  •  Abdominal pain or tenderness
  •  Chest pain
  •  Contractions may stop or fail to progress
  •  Rigid abdomen
  •  Absent fetal heart rate
  •  Signs of maternal shock
  •  Fetus palpated outside the uterus (if complete Rupture )
  •  Vaginal bleeding
Nursing intervention
  •  Monitor t signs of shock ( administer oxygen, intravenous fluids, and blood products).
  •  Prepare client for cesarean delivery (possible hysterectomy may be necessary).
  •  Provide emotional support for the client and partner.
  • Link - abruptio placenta
  • Link- placenta previa







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