Uterine rupture is a life-threatening condition where the wall of the uterus tears, potentially exposing the fetus and placenta to the mother's abdominal cavity. It most commonly occurs in women with a previous cesarean section scar. Signs include acute abdominal pain, fetal distress, and hemorrhage. Diagnosis is often made using ultrasound or MRI to detect tears in the uterine wall. Immediate exploratory laparotomy and cesarean delivery is usually required for treatment. Conservative uterine repair may be attempted for some cases but hysterectomy is often necessary due to severe hemorrhage. Prevention focuses on careful management of trial of labor for women with previous scars.
When fetal head is delivered, but shoulders are stuck and cannot be delivered it is known as shoulder dystocia.
The anterior shoulder becomes trapped behind on the symphysis pubis, whilst the posterior shoulder may be in the hollow of the sacrum or high above the sacral promontory.
When fetal head is delivered, but shoulders are stuck and cannot be delivered it is known as shoulder dystocia.
The anterior shoulder becomes trapped behind on the symphysis pubis, whilst the posterior shoulder may be in the hollow of the sacrum or high above the sacral promontory.
Please find the power point on Management of Preterm labor. I tried to present it on understandable way and all the contents are reviewed by experts and from very reliable references. Thank you
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Please find the power point on Management of Preterm labor. I tried to present it on understandable way and all the contents are reviewed by experts and from very reliable references. Thank you
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Uterine Rupture
Deepa Mishra
Assistant Professor (OBG)
Introduction
Uterine rupture is when the muscular wall of the uterus tears during pregnancy or childbirth
Symptoms while classically including increased pain, vaginal bleeding, or a change in contractions are not always present.
Disability or death of the mother or baby may result.
Definition
Uterine rupture is giving way of gravid uterus or dissolution in the continuity of uterine wall anytime after 28 weeks of gestation with or without expulsion of the fetus.
Incidence
Rates of uterine rupture during vaginal birth following one previous C-section, done by the typical technique, are estimated at 0.9%
Rates are greater among those who have had multiple prior C-sections or an atypical type of C-section.
In those who do have uterine scarring, the risk during a vaginal birth is about 1 per 12,000
Risk of death of the baby is about 6%
Etiology
Risk Factors
Previous cesarean section
Myomectomy
Dysfunctional labor
Labor augmentation by oxytocin or prostaglandins
High parity
First pregnancy- very rare
Types of uterine rupture
Complete Rupture
All the layers including peritoneum are torn and the uterine contents escape into the peritoneal cavity.
Usually results in death
Incomplete Rupture
Visceral peritoneum is intact and usually the fetus remains in the uterine cavity
Sign & Symptoms
Uterine dehiscence and abdominal pain and vaginal bleeding
Deterioration of fetal heart rate
Loss of fetal station on manual vaginal exam
Hypovolemic shock due to intrabdominal bleeding
Chest pain between the scapulae, pain during inspiration due to irritation of blood below the perineum
Cessation of uterine contractions
Palpation of fetus outside the uterus
Signs of abdominal pregnancy
Post term pregnancy
Diagnosis
Signs of obstructed labor with dehydration, exhaustion, tachycardia raised temperature tonic contraction , pathological retraction ring
Absent fetal heart sound
On PV hot, dry vagina with a large caput over the presenting part
Prevention
Early diagnosis and management of CPD mal presentation and obstructed labor
Proper selection of cases for vaginal delivery
Carefull monitoring of oxytocin infusion specially in multipara
Avoid intra uterine manipulation no version in single fetus
Instrumental delivery after cervical dilatation
Immediate CS in obstructed labor
Hospital delivery for high risk cases
ECV should be avoided during general anaesthesia
Careful manual removal of placenta
Treatment
Resuscitation with adequate hydration and blood transfusion
Laprotomy
Hysterectomy
Repair
Complication
Rupture uterus with haemorrhage, shock and sepsis
Fetal loss is high in spontaneous and traumatic rupture
Mortality is low in LSCS scar rupture
This describes the ultrasound findings in various types of ectopic pregnancies. This also goes on to integrate Beta hCG into the diagnostic algorithm of ectopic pregnancy. The lecture also briefly introduces the use of progesterone levels in the diagnostic work-up of ectopic pregnancy.
HOW TO DO A CESAREAN SECTION, EVIDENCE BASED by DR DELEKemi Dele-Ijagbulu
Introduction and Epidemiology, Indications and Classifications of Cesarean Section, Preoperative, Intra-operative and Postoperative Management, Complications, Concerns about Cesarean Sections, New Evidences on How To Perform a Caesarean Section, and Recommendations
The prostate is an exocrine gland of the male mammalian reproductive system
It is a walnut-sized gland that forms part of the male reproductive system and is located in front of the rectum and just below the urinary bladder
Function is to store and secrete a clear, slightly alkaline fluid that constitutes 10-30% of the volume of the seminal fluid that along with the spermatozoa, constitutes semen
A healthy human prostate measures (4cm-vertical, by 3cm-horizontal, 2cm ant-post ).
It surrounds the urethra just below the urinary bladder. It has anterior, median, posterior and two lateral lobes
It’s work is regulated by androgens which are responsible for male sex characteristics
Generalised disease of the prostate due to hormonal derangement which leads to non malignant enlargement of the gland (increase in the number of epithelial cells and stromal tissue)to cause compression of the urethra leading to symptoms (LUTS
These lecture slides, by Dr Sidra Arshad, offer a quick overview of physiological basis of a normal electrocardiogram.
Learning objectives:
1. Define an electrocardiogram (ECG) and electrocardiography
2. Describe how dipoles generated by the heart produce the waveforms of the ECG
3. Describe the components of a normal electrocardiogram of a typical bipolar leads (limb II)
4. Differentiate between intervals and segments
5. Enlist some common indications for obtaining an ECG
Study Resources:
1. Chapter 11, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 9, Human Physiology - From Cells to Systems, Lauralee Sherwood, 9th edition
3. Chapter 29, Ganong’s Review of Medical Physiology, 26th edition
4. Electrocardiogram, StatPearls - https://www.ncbi.nlm.nih.gov/books/NBK549803/
5. ECG in Medical Practice by ABM Abdullah, 4th edition
6. ECG Basics, http://www.nataliescasebook.com/tag/e-c-g-basics
Explore natural remedies for syphilis treatment in Singapore. Discover alternative therapies, herbal remedies, and lifestyle changes that may complement conventional treatments. Learn about holistic approaches to managing syphilis symptoms and supporting overall health.
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Pulmonary Thromboembolism - etilogy, types, medical- Surgical and nursing man...VarunMahajani
Disruption of blood supply to lung alveoli due to blockage of one or more pulmonary blood vessels is called as Pulmonary thromboembolism. In this presentation we will discuss its causes, types and its management in depth.
These simplified slides by Dr. Sidra Arshad present an overview of the non-respiratory functions of the respiratory tract.
Learning objectives:
1. Enlist the non-respiratory functions of the respiratory tract
2. Briefly explain how these functions are carried out
3. Discuss the significance of dead space
4. Differentiate between minute ventilation and alveolar ventilation
5. Describe the cough and sneeze reflexes
Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
Tom Selleck Health: A Comprehensive Look at the Iconic Actor’s Wellness Journeygreendigital
Tom Selleck, an enduring figure in Hollywood. has captivated audiences for decades with his rugged charm, iconic moustache. and memorable roles in television and film. From his breakout role as Thomas Magnum in Magnum P.I. to his current portrayal of Frank Reagan in Blue Bloods. Selleck's career has spanned over 50 years. But beyond his professional achievements. fans have often been curious about Tom Selleck Health. especially as he has aged in the public eye.
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Introduction
Many have been interested in Tom Selleck health. not only because of his enduring presence on screen but also because of the challenges. and lifestyle choices he has faced and made over the years. This article delves into the various aspects of Tom Selleck health. exploring his fitness regimen, diet, mental health. and the challenges he has encountered as he ages. We'll look at how he maintains his well-being. the health issues he has faced, and his approach to ageing .
Early Life and Career
Childhood and Athletic Beginnings
Tom Selleck was born on January 29, 1945, in Detroit, Michigan, and grew up in Sherman Oaks, California. From an early age, he was involved in sports, particularly basketball. which played a significant role in his physical development. His athletic pursuits continued into college. where he attended the University of Southern California (USC) on a basketball scholarship. This early involvement in sports laid a strong foundation for his physical health and disciplined lifestyle.
Transition to Acting
Selleck's transition from an athlete to an actor came with its physical demands. His first significant role in "Magnum P.I." required him to perform various stunts and maintain a fit appearance. This role, which he played from 1980 to 1988. necessitated a rigorous fitness routine to meet the show's demands. setting the stage for his long-term commitment to health and wellness.
Fitness Regimen
Workout Routine
Tom Selleck health and fitness regimen has evolved. adapting to his changing roles and age. During his "Magnum, P.I." days. Selleck's workouts were intense and focused on building and maintaining muscle mass. His routine included weightlifting, cardiovascular exercises. and specific training for the stunts he performed on the show.
Selleck adjusted his fitness routine as he aged to suit his body's needs. Today, his workouts focus on maintaining flexibility, strength, and cardiovascular health. He incorporates low-impact exercises such as swimming, walking, and light weightlifting. This balanced approach helps him stay fit without putting undue strain on his joints and muscles.
Importance of Flexibility and Mobility
In recent years, Selleck has emphasized the importance of flexibility and mobility in his fitness regimen. Understanding the natural decline in muscle mass and joint flexibility with age. he includes stretching and yoga in his routine. These practices help prevent injuries, improve posture, and maintain mobilit
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TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
Ozempic: Preoperative Management of Patients on GLP-1 Receptor Agonists Saeid Safari
Preoperative Management of Patients on GLP-1 Receptor Agonists like Ozempic and Semiglutide
ASA GUIDELINE
NYSORA Guideline
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Ozempic: Preoperative Management of Patients on GLP-1 Receptor Agonists
Rupture uterus
1. Uterine
Rupture
(the most dramatic serious obstetric
Emergency)
Muhammad M Al Hennawy
Consultant Obstetrician & Gynacologist
Ras ElBar Central Hospital , Dumyat , Egypt
2. Definition
• Uterine rupture is defined as
• a non-surgical disruption or tear
• of the myometrium with or without serosa of the
uterus
• with or without expulsion of the fetus and placenta.
It is a life threatening condition for both the mother
and the fetus.
• It occur Usually during labour, occasionally happen
during later weeks of pregnancy
3. Incidence Of Uterus Rupture
0.05% for all pregnancies
0.8% after previous lower segment caesarean section(LSCS)
>5% after classical caesarean section
Scar dehiscence has an incidence of 0.6% in pregnancies with
previous C/S and has a more favorable outcome for both mother and
fetus than does uterine rupture
4. Etiology
Scarred Uterus Rupture: History of cesarean section , hysterotomy , myomectomy
, excision of a uterine septum, metroplasty , previous perforation of uterus (D&C,
hysteroscopy, forceps delivery)
•Unscarred Uterus Rupture: Traumatic/ iatrogenic rupture
Surgical intervention
o Internal version
o Forceps delivery
o Forcible dilatation(cervical tear)
o Manual removal of placenta
o Destructive operations.
Medical intervention
o Uterine hyper-stimulation (oxytocin with
pitocin induction or augmentation of
labor)
Spontaneous rupture
• Feto-pelvic disproportion
• Congenital uterine anomalies
• Soft tissue obstruction
5. Types
A- Scarred Uterus Rupture
• Uterine scar dehiscence: herniation of intact amniotic membrane
into an existing uterine scar ( when there is separation of previous scar
with intact peritoneum)
• Uterine scar rupture: separation of scar along entire length often
with involvement of the amniotic membranes
B- Unscarred Uterus Rupture
• Complete Uterine rupture: total disruption of the wall of the pregnant
uterus with or without extrusion of its content ( when uterine cavity
communicate directly with peritoneal cavity )
• Incomplete Uterine rupture: partial disruption of the wall of the
pregnant uterus without extrusion of its content ( uterine cavity is separated
from peritoneal cavity by visceral peritoneum or broad ligament )
6. Rupture of the Scarred Uterus Due to Previous CS
• 1.9% absolute uterine rupture rate in Previous classic cesarean delivery or inverted
T, or J incision who either presented in advanced labor or refused repeat cesarean
delivery.
• symptomatic uterine rupture in women undergoing a TOLAC with a low vertical
cesarean scar Compared to women with low transverse cesarean scars, these data
suggest no significantly increased risk of uterine rupture or adverse maternal and
perinatal outcomes.
• no association was found between an unknown uterine scar and the risk of uterine
rupture;
• the spontaneous rupture rate among women with a single cesarean
delivery scar who underwent scheduled repeat cesarean delivery without
a TOL was 0.16%.
• the uterine rupture rate among 10,789 women with a single previous cesarean
delivery who labored spontaneously during a subsequent singleton pregnancy
was 0.52%.
7. Rupture of the Scarred Uterus Due to Previous CS
• Previous cesarean delivery with subsequent augmentation of labor
the rate of uterine rupture with oxytocin augmentation was 0.9% (52 of 6,009
cases) versus 0.4% without oxytocin use.
• Previous cesarean delivery with subsequent induction of labor
maternal and neonatal outcomes following induction of labor (4,038 women)
and spontaneous labor (13,374 women) in women who previously underwent
cesarean section, Rossi and Prefumo reported a lower incidence of vaginal
delivery with induced labor but higher rates of uterine rupture/dehiscence,
repeat cesarean section, and postpartum hemorrhage.
• Use of prostaglandins for cervical ripening and induction of labor
after previous cesarean delivery no uterine ruptures among 227 patients
who underwent induction with prostaglandins alone
8. Rupture of the Scarred Uterus Due to Previous CS
• Previous cesarean delivery with previous successful vaginal delivery in
women with no prior vaginal delivery who underwent a TOLAC, there was an
increased risk of uterine rupture with induction versus spontaneous labor (1.5% vs
0.8%, P =0.02). In contrast, no statistically significant difference was shown for
women with a prior vaginal delivery who underwent spontaneous TOLAC compared
with labor induction (0.6% vs 0.4%, P =0.42).
• Previous cesarean delivery with subsequent successful VBACs an
increased uterine rupture rate of 1.4% (1 per 73) in failed VBAC attempts that
required a repeat cesarean section in labor.
• Inter-delivery interval the combination of a short inter-delivery
interval of ≤24 months and a single-layer hysterotomy closure was associated
with a uterine rupture rate of 5.6%.
• One-layer versus 2-layer hysterotomy closure single-layer closure was
linked to an increased rate of uterine rupture (odds ratio [OR] 2.69; 95%
confidence interval [CI] 1.37–5.28). The authors concluded that single-
layer closure should be avoided in women who contemplate future VBAC
delivery
9. Rupture of the Scarred Uterus Due to Previous CS
• Multiple prior cesarean deliveries
ACOG recommendation was subsequently revised in an updated 2010 guideline to
suggest that women with two previous low transverse cesarean deliveries may be
considered candidates for TOLAC regardless of their prior vaginal delivery status.
• Maternal age
The rate of uterine rupture in women older than 30 years (1.4%) versus younger
women (0.5%) differed significantly
• Multiple gestation
• VBAC with twin gestations report similar rates of uterine rupture for twin and
singleton gestations.
• Fetal macrosomia no difference between the rates of uterine rupture for women
with neonates weighing ≥4000 gm versus < 4000 gm
• Gestation beyond 40 week
• ACOG 2010 VBAC guidelines suggest that although the chance of success may be
lower for a vaginal delivery in more advanced gestations, gestational age beyond 40
weeks alone should not preclude a TOLAC.
10. Weak Cesarean Scar
• One layer cs
• Locked Suture
• Infection
• Suture material
• Upper segment or T or J incisions
11. Classification of Uterine Rupture
• Classification by etiology
oScarred Uterus Rupture: Previous caesarean scar or myomectomy
oUnscarred Uterus Rupture
• Classification by Pathogenesis
oSpontaneous - Histochemical etiology of uterine rupture - occurs without
any function of uterus - Example: (i) Anatomy anomaly (ii) Dystrophy
diseases (connective tissue autoimmune disease, Inflammatory disease of
uterus)
oVoluntary - result of hyperfunction of uterus - Example: (i) Disproportion
between sizes of presenting part and maternal pelvis (malpresentation) (ii)
Extra doses of uterotonic drugs
• Classification by Layers of Uterus involved in Rupture
oComplete rupture : commonly spontaneous
oIncomplete rupture : commonly traumatic.
12. Classification of Uterine Rupture
• Classification by Location of Rupture
oLower segment rupture
oRupture of corpus/fundus of uterus
• Classification by time
oDuring pregnancy
oDuring Labour
• Classification by Carelessness or Negligence?
ocarelessness of the patient
onegligence of the doctor.
13. The Most Common Site Of Ruptured Uterus
• Damage to the uterus prior to labour is usually in the
uterine body while damage during labour is usually in the lower
segment.
• During labour
oLower uterine segment (47%) in previous CS,
oLeft lateral rupture (23.5%) in obstructed labor,
oFundal rupture (20.6%) and
oRight lateral rupture (8.8%) in obstructed labor
oUpper Segment –in previous classical CS,
14. Golden Rule
Uterine rupture
• should be first ruled out in all pregnant women presented with
acute abdominal pain regardless of their gestational age.
15. Signs of Threatened Uterine Rupture
Signs that occur just during the labor
• Excessive uterine activity. Uterine contractions are very fast and painful
• Overdistended Lower uterine segment, thinned and painful at palpation
• Edematous cervical os margins due to compression which may extends to
the vagina and the perineum
• Difficult Urination due to compression of the bladder and urethra between
the bony pelvis and the fetal head
• Some bloody discharge maybe presented (depends)
• Pathological contractile Bandl’s ring is presented
16. Signs of Uterine Rupture During Pregnancy
Typically
oAcute abdominal pain
oFeatures of shock & intra-abdominal hemorrhage
oEasily palpable fetal parts
oAbsent fetal heart sound
oContracted uterus felt on one site
Atypically
oIncomplete rupture producing localized abdominal pain & tenderness
oFrank signs of hemorrhage & shock develop slowly
oIt may confuse with accidental hemorrhage
17. Early Pregnancy Uterine Rupture
• The most common cause of uterine rupture is dehiscence of a previous
Caesarian section scar
• Rupture at the site of a previous uterine scar may occur with few warning
signs because the scar is relatively avascular
• It is a rare and potentially life threatening event which incidence is
increasing given the actual high cesarean section rate.
• Clinical signs of this condition are nonspecific and must be distinguished
from other acute abdominal emergencies and other obstetric events.
• Cesarean scar pregnancy must be considered as a major risk factor leading
to early uterine rupture.
18. Signs of Uterine Rupture During Labour
• Sudden appearance of fetal distress during labour ( most common
sign)
• Uterine contractions suddenly stop
• Palpation of fetus in the abdomen (outside the uterus)
• Fetal death
• Hemorrhage then hypovolemic shock in mother Signs and Symptoms
in the Uterine Rupture that has happened
19. Investigations
• CTG
• Fetal distress (as evidence by abnormalities in fetal heart rate)
• Diminished baseline uterine pressure
• Loss of uterine contractility
• Radiographic features
• US
• MRI
• Intrauterine pressure catheters
20. Ultrasonography
• It is probably the safest and most useful imaging technique during
pregnancy
•Before rupture: a uterine wall thinner than 2 mm, as determined
with ultrasonography performed within 1 week of delivery,
significantly increased the risk of uterine rupture. Positive and
negative predictive values were 73.9% and 100%, respectively.
• A French study suggests that a uterine wall thickness of greater than
4.5 mm has negative predictive value of 100% but unfortunately the
positive predictive value of thickness less than 3.5 mm is poor at
only 11.8%
21. Ultrasonography
•After rupture
Reported sonographic signs of uterine rupture include:
Identification of the protruding portion of the amniotic sac
Endometrial or myometrial defect ( an anterior hypo-
/anechogenic line corresponding to the uterine tear)
Bulky empty uterus with gas bubbles
The fetus and placenta in the abdominal cavity
Extra-uterine hematoma
Hemoperitoneum or free fluid
22. MRI
• It allows clear visualization of the uterine wall;
• therefore, it helps to diagnose both ante-partum uterine
rupture in patients with indeterminate ultrasound evidence,
• showing the tear itself and other uterine wall defects including
uterine dehiscence (separation of the myometrium with
preservation of the overlying peritoneum and internal fetal
membranes) and
• uterine sacculation (uterine wall ballooning because of a
functional weakening of the myometrium)
23. Intrauterine Pressure Catheters
• They are sometimes used but may fail to show loss of uterine
tone or
• Loss of contractile patterns following uterine rupture.
24. Differential Diagnosis
Abruptio Placentae (Similar presentation)
Hepatic Rupture in severe pre eclampsia (Look for
other signs of pre-eclampsia)
Chorioamnionitis (Look for fever, PROM, Tender uterus)
25. Treatments of Threatening Uterine Rupture
•Treatments of Uterine Rupture Whenever a threatening
uterus rupture is seen,
• immediate Caesarian section must be done!
27. Intensive resuscitation
• Correct hypovolemia from:
Hemorrhage Sepsis Dehydration
• Intravenous broad spectrum antibiotics:
Cephalosporin + Metronidazole combination
• Monitor to ensure adequate fluid and blood replacement
• Blood volume expansion may worsen the bleeding from damaged
vessel.
So the laparotomy should not be delay, once patient
condition has improved
28. Emergency exploratory laparotomy with cesarean delivery
• Several studies have shown that delivery of the fetus within 10-37
minutes of uterine rupture is necessary to prevent serious fetal
morbidity and mortality.
Types of surgical treatment depends on Type of uterine rupture :
• Extent of uterine rupture
• Degree of hemorrhage
• High parity
• Edges of rupture are ragged and irregular
• General condition of the mother
• Mother's desire for future childbearing.
29. Emergency exploratory laparotomy with cesarean delivery
• Surgery
• Repair of uterus without tubal ligation
• Repair of uterus with tubal ligation
• Removal of uterus (hysterectomy), Total or Sub-total
• in cases of lateral rupture involving lower uterine segment and
uterine artery where hemorrhage and hematoma obscure the
operative field, ligation of the ipsilateral hypogastric artery to stop
bleeding may be needed.
30. Conservative surgical management
• Involving uterine repair should be reserved for women who have
the following findings:
Desire for future childbearing
Low transverse uterine rupture
No extension of the tear to the broad ligament, cervix, or
paracolpos
Easily controllable uterine hemorrhage
Good general condition
No clinical or laboratory evidence of an evolving coagulopathy
31. Surgical Management
• Hysterectomy should be considered the treatment of choice
when intractable uterine bleeding occurs or when the
uterine rupture sites are multiple, longitudinal, or low lying.
33. Outcome
•Death from uterine rupture is not uncommon.
•Mortality appears to be higher in women who have an
unscarred uterus and when the rupture occurs outside the
hospital.
•Overall mortality: 15.9%
•Perinatal morbidity rate associated with uterine rupture ranges
from 8-56%
34. Preventive measures
Antenatal care
• High risk cases
• Oxytocics
• Previous caesarean section
• Augmentation of labour
NOTE!!!
During trial of scar watch out for…….
Fetal heart abnormalities
Maternal tachycardia
Vague abdominal pain in between contractions
Suprapubic tenderness
Vaginal bleeding
Bladder tenesmus
35. Counselling for future pregnancies
• If tubal ligation was not performed at the time of laparotomy, explain
the increased risk of rupture with subsequent pregnancies, and
discuss the option of permanent contraception
• If the defect is confined to the lower segment the risk of rupture in a
subsequent pregnancy is similar to that of someone with a previous
caesarean section
• If there are extensive tears involving the upper segment, future
pregnancy may be contraindicated
• Women with a history of uterine rupture should have a planned
elective caesarean section (37 to 38 weeks’ gestation) in their next
pregnancy
36. Conclusion
• Uterine rupture is a rare but often catastrophic obstetric complication with
an overall incidence of (0.07%). pregnancies
• In modern industrialized countries, the uterine rupture rate during
pregnancy for a woman with a normal, unscarred uterus is (0.012%).
pregnancies
• The vast majority of uterine ruptures occur in women who have uterine
scars, most of which are the result of previous cesarean deliveries.
• A single cesarean scar increases the overall rupture rate to 0.5%, with the
rate for women with 2 or more cesarean scars increasing to 2%.
• Other subgroups of women who are at increased risk for uterine rupture
are those who have a previous single-layer hysterotomy closure, a short
inter-pregnancy interval after a previous cesarean delivery, a congenital
uterine anomaly,
37. Conclusion
• Macrosomic fetus, prostaglandin exposure, and a failed previous trial of a
vaginal delivery.
• Surgical intervention after uterine rupture in less than 10-37 minutes is
essential to minimize the risk of permanent perinatal injury to the fetus.
• However, delivery within this time cannot always prevent severe hypoxia
and metabolic acidosis in the fetus or serious neonatal consequences.
• The most consistent early indicator of uterine rupture is the onset of a
prolonged, persistent, and profound fetal bradycardia.
• Other signs and symptoms of uterine rupture, such as abdominal pain,
abnormal progress in labor, and vaginal bleeding, are less consistent and
less valuable than bradycardia in establishing the appropriate diagnosis.
38. Conclusion
• The general guideline that labor-and-delivery suites should be able to start
cesarean delivery within 20-30 minutes of a diagnosis of fetal distress is of
minimal utility with respect to uterine rupture.
• In the case of fetal or placental extrusion through the uterine wall,
irreversible fetal damage can be expected before that time; therefore, such
a recommendation is of limited value in preventing major fetal and neonatal
complications.
• However, action within this time may aid in preventing maternal
exsanguination and maternal death, as long as proper supportive and
resuscitation methods are available before definitive surgical intervention
can be successfully initiated.