complications of delivery guy peifer...nuchal cord • the umbilical cord becomes wrapped around the...
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Complications of Delivery
Guy Peifer
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• Childbirth is usually a happy event.
• Usually occurs without worry.
• But…..occasionally something goes wrong.
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Posterior (Sunny Side Up)
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Frank Breech
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Complete Breech
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Footling Breech
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Transverse
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Twins
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The female reproductive system includes two ovaries, two fallopian tubes, the uterus, and the vagina.
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• The umbilical cord connects the fetus and placenta. • The umbilical vein
carries blood to the fetus.
• The umbilical arteries carry blood to the placenta.
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Fetal Development
• The amniotic sac encloses the fetus in amniotic fluid. • The fourth through eighth week of embryonic
development are critical. • Major organs and other body systems are most
susceptible to damage as they form.
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Fetal Development
• Gestational period: time it takes the fetus to develop in utero • Normally 38 weeks • Calculated from the first day of the pregnant woman’s
last menstrual period
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Supine Hypotensive Syndrome
• Sensitivity to body position increases as gestation increases. • Lying supine can cause compression of the inferior
vena cava. • If pressure is not relieved, cardiac output is
decreased.
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Special Terminology • :
• Gravidity—number of times pregnant • Parity—delivery of an infant who is alive • Primigravida—woman pregnant for first time • Primipara—woman with only one delivery • Multigravida—two or more pregnancies
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Special Terminology • Multipara—two or more deliveries • Grand multipara—more than five deliveries • Nullipara—never delivered
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Primary Assessment • Transport decision
• Provide rapid transport for patients: • With significant bleeding and pain • Who are hypertensive • Who are having a seizure • Who have an altered mental status
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History Taking • Determine chief complaint using OPQRSTI. • Obtain the SAMPLE history. • Determine estimated due date. • Determine previous complications or gynecologic
problems.
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History Taking • Was an ultrasound done recently, and what were the
findings? • Determine the general impression of the patient’s health. • Determine if there is any vaginal bleeding.
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History Taking • Determine if the woman’s water has broken.
• Does she need to move her bowels or push? • Delivery is imminent.
• Inspect the woman for crowning.
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Secondary Assessment • Base the exam on the chief complaint.
• Exam should include fetal heart tones and rate. • Inspect for crowning or vaginal bleeding. • If the amniotic sac has ruptured, ask about the color of the
fluid.
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Secondary Assessment • If there is time to reach
the hospital: • Place in the lateral
recumbent position. • Remove clothing that
might obstruct delivery. • Begin transport.
• If there is not time: • Try to find a private and
clean area. • Keep nervous
bystanders busy. • Be calm and
professional.
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Reassessment • Perform ongoing examination, including:
• Serial vital signs • Time contractions, and perform exam. • Check interventions, and transport.
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Substance Abuse • Illicit drugs pass through the placenta barrier and enter
fetal circulation. • The fetus may have withdrawal signs. • Treatment should concentrate on cardiorespiratory
support.
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Cardiac Conditions • Determine the nature and treatment of any heart
condition. • Cardiac medications? • Diagnosed with dysrhythmias or heart murmurs? • History of rheumatic fever? • Born with congenital heart defect? • Episodes of dizziness, light-headedness?
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Hypertensive Disorders • Preeclampsia
• Risk factors include: • First pregnancy before age 20 years • Women with advanced maternal age • History of multiple pregnancies • Diabetes
Can cause pulmonary edema. May progress to life-threatening grand mal seizures.
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Seizures • Treatment is difficult because drugs may cause fetal
distress. • Magnesium sulfate is recommended.
• Potential complications may include:
• Abruptio placenta • Hemorrhage • Disseminated intravascular coagulation
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Diabetes • Diabetes may be affected by pregnancy.
• May manifest as hyperglycemic or hypoglycemic episodes
• Insulin-dependent diabetics may need to adjust their dosages during pregnancy.
• Patients with a history of diabetes should have a blood glucose level test.
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Respiratory Disorders • Maternal asthma
complications: • Premature labor • Preeclampsia • Respiratory failure • Vaginal hemorrhage • Eclampsia
• Fetal asthma complications: • Premature birth • Low birth rate • Growth retardation • Fetal death
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Respiratory Disorders • Pneumonia
• Especially virulent during pregnancy • Common complications:
• Low birth weight • Premature labor • Preterm delivery
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Hyperemesis Gravidarum • Persistent nausea and vomiting
• Leads to dehydration and malnutrition • Exact cause is unknown. • Symptoms include:
• Severe and persistent vomiting • Projectile vomiting • Severe nausea
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Hyperemesis Gravidarum • Prehospital treatment includes:
• Administer 100% supplemental oxygen. • Start IV line of normal saline. • Diphenhydramine? Zofran? • Check blood glucose levels. • Check orthostatic vital signs; obtain an ECG. • Transport to a hospital.
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Infections • Urinary tract infections
• If Streptococcus agalactiae is passed to the newborn, it can cause:
• Respiratory problems • Pneumonia • Septic shock • Meningitis
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Sexually Transmitted Infections • Bacterial vaginosis
• Normal vaginal bacteria are replaced by other bacteria.
• Can lead to: • Premature birth • Low birth weight • Pelvic inflammatory disease
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Sexually Transmitted Infections • Syphilis
• Women with syphilis may have: • Stillborn babies • Babies born blind • Developmentally delayed babies • Babies who die shortly after birth
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Pathophysiology of Bleeding Related to Pregnancy • Abortion
• Expulsion of the fetus before the 20th week of gestation
• Broadly classified as: • Spontaneous abortion (miscarriage) • Elective (intentional) abortion
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Pathophysiology of Bleeding Related to Pregnancy • Miscarriage (spontaneous abortion)
• Treatment includes: • Establishing an IV line of normal saline • Administering 100% supplemental oxygen • Obtaining an ECG • Providing emotional support with rapid transport • Watching for signs of shock
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Pathophysiology of Bleeding Related to Pregnancy • Missed abortion: fetus dies during the first 20 weeks of
gestation but remains in utero • Provide emotional support and transport. • On examination:
• Uterus feels like a hard mass. • Fetal heartbeat cannot be heard.
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Pathophysiology of Bleeding Related to Pregnancy • Ectopic pregnancy
• Ovum implants somewhere besides uterus. • Patient usually presents with:
• Severe abdominal pain • May be in hypovolemic shock
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Abruptio placenta
• Premature separation of the placenta from the uterine wall
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Placenta previa
• Placenta is implanted low in the uterus and obscures the cervical canal.
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Management of Bleeding Related to Pregnancy • Keep the woman lying on her left side. • Administer 100% supplemental oxygen. • Provide rapid transport. • Start an IV line of normal saline. • Obtain an ECG and baseline vital signs. • Loosely place trauma pads over the vagina.
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Preparing for Delivery
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Preparing for Delivery
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Preparing for Delivery • Open the OB kit. • Wash hands. • Put on gloves. • Maintain standard
precautions. • Drape the woman in
sterile towels.
Courtesy of AAOS
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Assisting Delivery • Control delivery. • Support the head as it
emerges. • Check for nuchal cord. • Clear the airway by
suctioning with a bulb syringe.
Courtesy of AAOS
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Assisting Delivery • Gently guide the head
downward so the upper shoulder can deliver.
• Gently guide the head upward to allow delivery of the lower shoulder.
Courtesy of A
AO
S
Courtesy of A
AO
S
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Assisting Delivery • Once delivered,
maintain at the same level as the vagina.
• Wipe blood or mucus from the newborn’s nose and mouth with sterile gauze.
Courtesy of AAOS
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Assisting Delivery • Dry the newborn with sterile towels, and
wrap in a dry blanket. • Record the time of birth for the PCR.
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Assisting Delivery • Apgar scoring
• Evaluates newborn’s vital functions • Heart rate • Respiratory effort • Muscle tone • Reflex irritability • Color
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Assisting Delivery • Cutting the umbilical cord
• Handle the cord with care. • Tie or clamp the cord with clamps 2
inches apart, then cut the cord between them.
• Examine the ends to ensure there is no bleeding.
• Once cut, wrap the newborn in a dry blanket.
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Assisting Delivery • Delivery of the placenta
• Usually within 20 minutes after delivery • Do not pull on the umbilical cord to
speed up placental delivery. • Instruct the patient to bear down.
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Assisting Delivery • Delivery of the placenta
(cont’d) • Fetal side should be
gray, shiny, and smooth.
• Maternal side should be dark maroon with a rough texture.
© Hattie Young/Photo Researchers, Inc.
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Assisting Delivery • Delivery of the placenta (cont’d)
• Place in a plastic bag, and transport. • Examine the perineum for lacerations. • Prepare for transport.
• If the placenta has not delivered after 15 minutes, begin transport.
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Premature Rupture of Membranes
• The amniotic sac ruptures, or opens, more than an hour before labor. • The sac may self-seal and heal itself. • Often, labor will begin within 48 hours.
• If not near term, a risk of infection exists.
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Uterine Rupture
• Occurs during labor • Signs and symptoms include:
• Weakness, dizziness, and thirst • Initial strong contractions that have lessened • Signs of shock
• Treat for shock, and provide rapid transport.
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Postterm Pregnancy • The fetus has not been born after 42 weeks. • Cause is unknown. • High-risk because:
• Fetus may become malnourished. • Increased chance of meconium aspiration
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Multiple Gestation • Prepare for more than one resuscitation. • Consider the possibility of multiples if:
• First newborn is small • Abdomen is still fairly large after the birth.
• The second newborn is usually born within 45 minutes.
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Amniotic Fluid Embolism
• Amniotic fluid enters the woman’s pulmonary and circulatory system through the placenta.
• Results in an allergic reaction response • Signs and symptoms include:
• Respiratory distress and hypotension • Cyanosis • Possible seizures
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Nuchal Cord
• The umbilical cord becomes wrapped around the newborn’s neck during delivery. • May cause fetal heart rate to slow
Slip a finder under the cord and gently attempt to slip it over the shoulder and head. If unsuccessful, cut the cord.
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Prolapsed Umbilical Cord • The cord emerges
before the fetus. • Shuts off the
oxygenated blood supply from the placenta.
• Leads to fetal asphyxia
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Uterine Inversion • Placenta fails to detach properly from the uterine wall
when it is expelled. • Uterus turns inside out as a result.
• Severity graded by how much the uterus has reversed itself.
• Very painful and may rapidly cause shock.
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Postpartum Hemorrhage • Causes of postpartum hemorrhage include:
• Prolonged labor or multiple baby deliver • Retained products of conception • Placenta previa • Full bladder
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Trauma and Pregnancy • Trauma is a complicating factor in pregnancy.
• Leading cause of maternal death in United States
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Assessment Considerations • Pregnant patients will have different signs or responses to
trauma. • May be more difficult to interpret tachycardia • Signs of hypovolemia may be hidden. • Higher chance of bleeding to death in case of pelvic
fractures • Respiratory rate less than 20 breaths/min is not
adequate.
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Summary • Pregnancy is considered at term by week 37 of gestation. • Physiologic changes during pregnancy can alter a woman’s
response to trauma and create or exacerbate medical conditions.
• In an obstetric emergency, find out the length of gestation, estimated due date, complications with this or other pregnancies, and if there is any vaginal bleeding.
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Summary • When assessing, determine if there is time to get to the
hospital. • If delivery is imminent, prepare a private, clean area. • Never pull on the umbilical cord to deliver the placenta. • Pharmacology may include magnesium sulfate, calcium
chloride, terbutaline, diphenhydramine, and oxytocin.
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Summary • High-risk pregnancy complications include precipitous
labor and birth, postterm pregnancy, meconium staining, fetal macrosomia, multiple gestation, intrauterine fetal death, amniotic fluid embolism, hydramnios, and cephalopelvic disproportion.
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Summary • Meconium may be a yellow or greenish black tint in the
amniotic fluid. If the newborn is depressed and meconium staining is present, suction the infant.
• Labor complications include premature rupture of membranes, preterm labor, uterine rupture, and fetal distress.
• Delivery complications include cephalic presentation, breech presentation, shoulder dystocia, nuchal cord, and prolapsed cord.
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Summary • Treat trauma in a pregnant woman the same as in a
nonpregnant women, except transport a pregnant patient on her left side unless a spinal injury is suspected.
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Credits • © Jones & Bartlett Learning.