Medical Grandrounds Odessa Tolentino-Wilson, MD October 25, 2007.
OB Grandrounds 3
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27 year old
G3P2 (2-0-0-2)
Single
Roman Catholic
Paranaque City
LMP: Jan. 20, 2014
AOG: 39 weeks 5 days
EDC: October 27, 2014
Labor pains
First Trimester
(+) amenorrhea
(+) pregnancy test
(+) nausea/ vomiting
(-) vaginal bleeding, watery or mucoid discharge
(-) ultrasound done
(-) medication taken
(-) consult done
Second Trimester
(+) quickening at 18 wks AOG
(+) consult to Private MD
ultrasound requested but non-compliant
Third Trimester
(-) labor pain
(-) watery vaginal discharge
(-) bloody show
(-) mucoid vaginal discharge
(+) good fetal movement
BIOPHYSICAL PROFILE
Paranaque Ultrasound Diagnostic Center
October 24, 2014
History of present illness
five hours prior to admission
Admitted at Happy Home LIC (Paranaque City) for vaginal delivery
one hour prior to admission
Decided to Transfer to hospital per patient request
Past Medical History
No hypertension
No diabetes mellitus
No bronchial asthma
No PTB
No goiter
No Cancer
Family History
No hypertension
No diabetes mellitus
No bronchial asthma
No PTB
No cancer
Personal and Social History
Non-smoker
Non-alcoholic beverage drinker
Denies illicit drug use
Vendor
Menstrual History
Menarche: 14 years old
Interval: regular (28-32 days)
Duration: 4-5 days
Amount: 1-2 pads per day, moderately soaked
Symptoms: no dysmenorrhea
Sexual History
First coitus: 25 years old
Number of sexual partner: 1 partner
(+) use of injectables for 3 months (October to December 2013)
(-) STD
(-) dyspareunia
(-) post-coital bleeding
OB History
G3P2 (2-0-0-2)
(+) PNCU x 3 at Private MD
YearSexOutcomeMethodPlaceFMCG12012MFTNSDParanaque Lying In(-)G22013FFTNSDParanaque Lying in(-)G32014Present pregnancyReview of Systems
No fever, no chills, no weight gain/loss, no anorexia
No blurring of vision, no hearing loss, no tinnitus, no dizziness, no sorethroat, no gum bleeding
No dyspnea, no cough, no colds, no hemoptysis
No chest pain, no palpitations, no orthopnea, no PND, no easy fatigability, no cyanosis
No abdominal pain, no changes in bowel movement, no nausea/vomiting, no hematochezia, no hematemesis, no melena, no jaundice
No dysuria, no hematuria, no urgency, no frequency, no nocturia
No easy bruisability
No polyuria, no polydipsia, no polyphagia, no heat/cold intolerance
No loss of consciousness, no changes in sensorium, no seizures, no tremors, no weakness, no numbness, no headache
Physical Examination
Conscious, coherent, not in cardiorespiratory distress
110/7098 bpm17 cpm36.8 C
Anicteric sclerae, pink palpebral conjuctivae, no nasoaural discharge, no cervical lymphadenopathy
Symmetric chest expansion, clear breath sounds, no retractions
Adynamic precordium, normal rate and regular rhythm, no murmurs
Globular, soft, normoactive bowel sounds
Fundic height: 33 cm
Estimated fetal weight: 3255 grams
Internal Examination: cervix 9 cm dilated, fully effaced, cephalic, ruptured bag of waters->thickly meconium stained amniotic fluid, station +2
Grossly normal extremities, full and equal pulses, no edema, no cyanosis
X 140s
Present Working Impression
G3P2 (2-0-0-2) Pregnancy Uterine 39 weeks and 2 days AOG cephalic in labor
Plan
Vaginal delivery
Outcome
Baby Boy
APGAR: 9,9
Birthweight: 3700 grams
Birthlength: 53 cm
Pediatric Aging: 38 weeks (LGA)
Postpartum
BP: 100/70
Tachycardic
Uterine massage
Oxytocin 10 u IM
Double line; OXYTCIN DRIP; Methergine IV and IM; Carboprost; Tranexamic Acid
After 20 minutes: manual extraction of placenta done with ease (located anterofundally) revealed incomplete cotyledon
Profuse vaginal bleeding soaking 2 adult diapers
Inspection: no vaginal/cervical lacerations
IE: cervix open, uterus boggy
postpartum hysterectomy
Pakiayos nalang daw to kiel na hindi cluttered
wag daw isang slide langa
Intraoperative Findings
No ascitic fluid
Smooth and grossly normal liver, subdiaphragmatic surface, stomach, spleen, kidney, omentum and intestinal surfaces
No palpable or enlarged paraaortic and pelvic nodes
Uterus enlarged to 18 weeks size with well-defined lower uterine segment
Postpartum uterus: 18 x 10 x 5 cm with smooth, serosal surface. No lesions or masses on cute sections.
Myometrium: 2.5 cm
Endometrium: 0.2 cm, spongy
Uterine cavity: 12 cm, 4 cm of which is the endocervical cavity
Bilateral ovaries and fallopian tubes grossly normal.
Estimated blood loss: 700cc
Endometrium is hemorrhagic
Postoperatively
BP: 90-100/60
HR: 100-110
Assisted ventilation
Adequate urine output: 0.65cc/kg/hr
No vaginal bleeding
Pale palpebral conjunctiva
Clear breath sounds
Correction of anemia
1 unit PRBC transfused
Judicious hydration
Course in the Wards
Complete Blood Count10/27WBC Neutrophils Lymphocytes Monocytes Eosinophils Basophils19.4489.16.04.70.10.1RBC3.38HGB8.7HCT26.9Platelets180Electrolytes 10/27Sodium136Potassium3.5Course in the Wards
General liquid diet
IVF: PNSS 1L x KVO
Medications continued
IFC maintained (UO: 28 to 125 cc/hr)
Still for transfusion of 2u PRBC
First post-operative day
Course in the Wards
2u PRBC transfused
Diet as tolerated
Medications continued
IFC maintained (UO: 28 to 125 cc/hr)
Referred to Department of Internal Medicine regarding hypokalemia (2.8 mmol/L)
PNSS 1L + 40mEq KCl x 125 cc/hr
Kalium durule TID x 3 days
Second post-operative day
Course in the Wards
Diet as tolerated
For transfusion of 2u PRBC
Medications continued
Third post-operative day
Course in the Wards
Patient went on HAMA
Fourth post-operative day
Salient Features
General data
27y/o
Antepartum
G3P2 (2-0-0-2)
CC: Labor pains
39w5d AOG
Non-contributory Past, Family and Personal and social, menstrual history
Sexual history: use of injectables monthly x 3 mos (Oct-Dec, 2013)
OBHx: s/p NSD G1 and G2 (Paranaque Lying-in, 2012 and 2013) with no complications
Salient Features
Intrapartum
At the ER, stable vital signs
Fundic height: 33cms
Good heart tone
IE: fully dilated, fully effaced, cephalic, +BOWthickly St+2
Placenta manually extracted with incomplete cotyledon upon inspection
Postpartum
30mins postpartum profuse vaginal bleeding
Boggy and soft uterus
Present Working Impression
G3P3 (3003) PU delivered a term, cephalic live birth
Anemia secondary to Postpartum hemorrhage secondary to placenta accreta
s/p Exploratory Laparotomy Subtotal Hysterectomy for placenta accreta
APPROACH TO DIAGNOSIS
POSTPARTUM HEMORRHAGE
Bleeding from implantation site
Trauma from the Genital Tract
No perineal laceration
No cervical and vaginal laceration
No episiotomy
Hypotonic Myometrium
Retained placental fragments
COAGULOPATHIES
NASA LEFT SIDE DAW YUNG SALIENT FEATURES
SALIENT FEATURES
APPROACH TO DIAGNOSIS
POSTPARTUM HEMORRHAGE
Bleeding from implantation site
Hypotonic Myometrium
Retained placental fragments
Overdistended uterus
Prolonged labor
Chorioamnionitis
High Parity
Oxytocin Induced
Avulsed cotyledon
Abnormally adherent placenta
INCRETA
ACCRETA
PERCRETA
Histopathologic Result
OMS 14 XXXX
October 27, 2014
FINAL HISTOPATHOLGIC FINDINGS
S/P POSTPARTUM SUBTOTAL HYSTERECTOMY (WITH CLINICAL HISTORY OF UTERINE ATONY):
POSTPARTUM UTERUS
CONSISTENT WITH PLACENTA ACCRETA
Description
Received specimen labeled uterus which consist of subtotal hysterectomy specimen, weighing 500 grams and measuring 16.0 x 14.0 x 2.5 cm (wall thickness) having tan-brown smooth outer surface. Cut sections of the uterus shows that the endometrium is hemorrhagic, while the myometrium measures 1.0 c, from isthmus to fundus and is also hemorrhagic. Representative sections taken from embedding, labeled: (A1 A3) endomyometrium, block 4;
Microscopic examination of the slides shows aggregation of the red blood cells and decidua on the endometrial layer with internal endometrial glands seen. Decidual cells and chrorionic villi are seen infiltrating the myometrium
Final Diagnosis
G3P3 (3003) PU delivered a term cephalic live birth
Anemia secondary to Postpartum hemorrhage secondary to placenta accreta
s/p Exploratory Laparotomy Subtotal Hysterectomy for placenta accreta
PLACENTA ACCRETA
DEFINITION
Derivation of accreta comes from the Latin ac- +crescereto grow from adhesion or coalescence, to adhere, or to become attached to (Benirschke, 2012).
DEFINITION
include any placental implantation with abnormally firm adherence to myometrium because of partial or total absence of the decidua basalis and imperfect development of the fibrinoid or NITABUCH LAYER.
DEFINITION
abnormal adherence may involve all lobulestotal placenta accreta .
If all or part of a single lobule is abnormally attached, it is described as a focal placenta accreta.
EPIDEMIOLOGY
Once a rare occurrence, placenta accreta is becoming an increasingly common complication of pregnancy, likely related to the increasing rate of cesarean delivery over the last five decades.
Placenta accreta occurs in approximately 1:1000 deliveries with a reported range from 0.04% rising up to 0.9%.
EPIDEMIOLOGY
The median maternal age is around 34 years and the median parity is 2.5.
Risk factors other than a previous cesarean include
submucous myoma
previous curettage
Ashermans syndrome
advanced maternal age
grandmultiparity
smoking
chronic hypertension
EPIDEMIOLOGY
Placenta accreta = villi are attached to the myometrium.
Placenta increta = villi invade the myometrium
Placenta percreta = villi penetrate through the myometrium and to or through the serosa.
In clinical practice, these three variants are encountered in an approximate ratio of 80:15:5, respectively (Wong, 2008).
EPIDEMIOLOGY
currently, the American College of Obstetricians and Gynecologists cites it to be as high as 1 in 533 deliveries. Because of this increasing frequency, accrete syndromes are now one of the most serious problems in obstetrics.
EPIDEMIOLOGY
In addition to their significant contribution to maternal morbidity and mortality, accrete syndromes are a leading cause of intractable postpartum hemorrhage and emergency peripartum hysterectomy (Awan, 2011; Eller, 2011;Rossi, 2010).
EPIDEMIOLOGY
In their review of nearly 10,000 pregnancy-related maternal deaths in the United States, Berg and associates (2010) reported that 8 percent of deaths due to hemorrhage were caused by accrete syndromes.
PATHOPHYSIOLOGY
Presence of Risk Factors
Increased maternal age
Multiparity
Associated or history of placenta previa
Previous uterine surgery or trauma
Cigarette smoking
Elevated prenatal screening MSAFP and free -hCG levels
Other comorbids i.e. Ashermans syndrome, Chronic hypertension
Constitutional endometrial defect
Total/partial decidua basalis deficiency
Deficiency of fibrinoid or Nitabuch layer
Hyperinvasiveness of cytotrophoblasts that control decidual invasion through factors such as angiogenesis and growthexpression
Placental villi anchored, abnormally implanted and adhered, invaded or penetrated to muscle fibers (myometrium) rather than to decidual cells
Retained placental fragments after placental delivery or delayed spontaneous separation of the placenta with total or partial removal of the adherent placenta
Hemorrhage