INVERSION OF UTERUS

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UTERINE INVERTION: 

UTERINE INVERTION DR SHABNAM NAZ ASSISTANT PROFESSOR OBGYN CMC ,SMBBMU LARKANA 2

Introduction: 

Introduction Prolapse of the fundus to are through cervix so that the uterus is turned inside out.

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Potentianlly life threatening complication of childbirth. All most all cases occur after delivery/ C-Section. 4

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Can occur even in the non-pregnant uterus in relation to the expulsion of an intrauterine tumour. 5

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EPIDEMIOLOGY Incidence varies widely. 1:2,000 to 1:23,000 deliveries.

TERMINOLOGY : 

TERMINOLOGY Incomplete inversion describes an inverted fundus that lies within the endometrial cavity without extending beyond the external os. Complete inversion describes an inverted fundus that extends beyond the external os.

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A prolapsed inversion is one in which the inverted uterine fundus extends beyond the vaginal introitus. A total inversion , usually non-puerperal and tumor related result in inversion of the uterus and vaginal wall as well. 8

CLASSIFICATION: 

CLASSIFICATION 1 st DEGREE The inverted fundus extend to but, not through the crevix.

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2 nd DEGREE The inverted fundus extend through crevix but remains in the vagina. 10

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3 rd DEGREE The inverted fundus coming out from vagina. 11

PATHOPHYSIOLOGY: 

PATHOPHYSIOLOGY Exact cause is unknown. Principle behind its occurrence: Cervix must be dilated. Uterine fundus must be relaxed. Many cases of acute uterine inversion results from mismanagement of third stage of labour in women who are already at risk.

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If cervix is sufficiently dilated and the force of contraction sufficiently strong, the myometrial/ placental mass can be squeezed through it, resulting in complete inversion 13

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In complete inversions once the fundus passes through the cervix, the cervical tissues function as a constricting band and edema rapidly forms. The prolapsed mass then progressively enlarges and increasingly obstructs venous and finally arterial flow, contributing to the edema. 14

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In chronic inversion serious tissue injury or necrosis is possible. 15

RISK FACTORS: 

16 RISK FACTORS Strong traction exerted on the umbilical cord due to adherent placenta . Strong fundal pressure. Fundal implantation of the placenta.

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Endometritis /PID. D&C. Short umbilical cord. Certain drugs used as tocolysis. such as magnesium sulphate,nitroglycerine,turbutaline .

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Precipitated labour Prolong labour Tumors-submucuos myomas . Cervical incompetence. Uterine anomalies( e.g unicornuate uterus). Congenital or acquired weakness of the myometrium. 19

CLINICAL PRESENTATION : 

CLINICAL PRESENTATION Uterine inversion may present: ACUTE within 24 hours of delivery. SUB-ACUTE After 24 hours and up the 30 th postpartum day. CHRONIC More than 30 days after delivery.

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THE CLASSIC PRESENTATION: Post-partum haemorrhage . Sudden appearance of a vaginal mass. C Cardiovascular collapse ( varying degrees). 21

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SYMPTOMS: Pain in the lower abdomen. Sensation of vaginal fullness with a desire to bear down after delivery of the placenta. Vaginal bleeding unless the placenta is not separated. 22

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SIGNS SHOCK More commonly Neurogenic due to traction on the peritoneum and pressure on the tubes, ovaries, may be the intestine. Parasympathetic effect of traction on the ligaments supporting the uterus and may be associated with bradycardia. 23

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Shock: May be Hypovolaemic due to postpartum haemorrhage. 24

ABDOMINAL EXAMINATION : 

ABDOMINAL EXAMINATION Cupping of the fundus in 1 st & 2 nd degree uterine inversion. Absence of the uterus in 3 rd & 4 th degree uterine inversion. 25

VAGINAL EXAMINATION : 

VAGINAL EXAMINATION Soft, purple (dark bluish-red) mass in the vagina or vulva. 26

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Diagnosing a first degree inversion is much more difficult. Obesity can make diagnosis more difficult. Chronic cases are unusual and difficult to diagnose. They may present with spotting, discharge and low back pain. Ultrasound may be required to confirm the diagnosis. 27

INVESTIGATIONS : 

INVESTIGATIONS Diagnosis is usually based on clinical symptoms and signs . If not clinically very obvious, then USS & MRI is useful. 28

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ULTRASOUND Transverse image : A hypoechoic mass in the vagina with a central hypoechoic H-shaped cavity. Longitudinal image: U-shaped depressed longitudinal groove from the unterine fundus to the centre of the inverted part. MRI 29

DIFFERENTIAL DIAGNOSIS OF UTERINE INVERSION: 

DIFFERENTIAL DIAGNOSIS OF UTERINE INVERSION Inversion of uterus Uterine rupture. Prolapse of uterine tumor (submucous fibroid). Large endometrial polyp. Passage of succenturiate lobe of placenta.

Inversion of uterus : 

Inversion of uterus Symptoms Severe abdominal pain Sudden cardiovascular collapse Postpartum haemorrhage Signs Abdominal tenderness Absence of uterine fundus on abdominal palpation Lump in the vagina Polypoidal red mass in the vagina with placenta attached 31

Ruptured uterus: 

Ruptured uterus Risk factors Prior uterine surgery Oxytocin Uterine manipulations Multiparity Shock Severe and continues abdominal pain Contracted uterus Varying degree of bleeding 32

Prolapse of uterine tumor: 

Prolapse of uterine tumor Clinical presentation Lower abdominal pain Menorrhagia Irregular cycle Vaginal mass Urinary disturbance Fundus of uterus felt Palpable vaginal mass Cervix separately felt 33

ENDOMETRIAL POLYP: 

ENDOMETRIAL POLYP Mass in inner lining Of uterus, Flat base or Pedenculated presentation Asymptomatic Irregular menstrual bleeding IMB Menorrhagia PCB,PMB Severe pain when prolapsed 34

ENDOCERVICAL POLYP: 

ENDOCERVICAL POLYP A cervical polyp is a common benign polyp on the surface of the cervical canal Clinical presentation Irregular menstrual bleeding P/V: uterus might be enlarge or bulky uterus Red purple projection from Cervical canal 35

Genital tract trauma: 

Genital tract trauma Common outcome Of vaginal delivery These lacerations And hematomas Cause significant Blood loss Risk factors Difficult delivery Instrumental delivery Precipitous delivery 36

Genital tears: 

Genital tears Shock Pain Mass at vulva ,vagina Continues bleeding Palpable and contracted uterus 37

Succenturiate lobe of placenta: 

Succenturiate lobe of placenta Succenturiate or , "accessory lobe“ of Placenta, there is vascular Connection b/w main placenta and accessory lobe 38

Succenturate lobe of placenta: 

Succenturate lobe of placenta 39 Here is an accessory, or succenturiate, lobe of the placenta. Note the vessels

Utero vaginal prolapse: 

Utero vaginal prolapse Decend of one or more pelvic organ(uterine cervix, vaginal apex, anterior vagina, posterior vagina and cul-de sac peritoneum) Presentation No acute symptoms Something coming out of vagina (long history) Uterus not felt abdominally (complete Procidentia ) Procidentia visible Cervix visible 40

MANAGEMENT OF ACUTE & SUBACUTE UTERINE INVERSION: 

MANAGEMENT OF ACUTE & SUBACUTE UTERINE INVERSION AIMS Immediate treatment of Shock. Replacement /repositioning of the uterus.

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TREATMENT OF SHOCK Call for help. IV line with two large bore IV cannulae. Aggressive fluids replacement Start resuscitation with normal saline or hartmann’s solution . 42

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Blood transfusion. Analgesics. Use warm sterile towel to apply compression while preparing for the procedure. Insert a urinary catheter. 43

REPOSITIONING OF INVERTED UTERUS : 

REPOSITIONING OF INVERTED UTERUS MANUAL REDUCTION. Sterile procedure. Form a fist or grad the uterus and push it through the cervix of a lax uterus towards the umbilicus to its normal position. Use the other hand to support the uterus. (Johnson maneuver)

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Use of tocolytics to allow uterine relaxation. Nitroglycerin (0.25-0.5 mg) intravenously over 2 minutes. Terbutaline 0.1-0.25mg slowly intravenously. Magnesium sulphate 4-6 g intravenously over 20 minutes. Use of general anaesthesia: halothane. 45

O’SULLIVAN HYDROSTATIC METHOD. : 

O’SULLIVAN HYDROSTATIC METHOD. PRE-REQUISITES An assistant Long tube(2m) with a large nozzle Water reservoir/warm saline(2-5l).

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PROCEDURE Trendelenburg position. Place the nozzle of the tube in the posterior fornix. An assistant start the douche with full pressure (at least 2m high) Fluid escape is prevented by blocking the introitus by using the labia and operator’s hand. The fluid distend the vagina, relieves the mild cervical constriction and result in correction or replacement of the inverted uterus. 47

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NEW TECHNIQUE (ogueh and ayida) Attaching the IV tubing to silicone cup used in vacuum extraction. By placing the cup in the vagina, an excellent seal is created.

AFTER REPOSITIONING : 

AFTER REPOSITIONING Discontinue uterine relaxant/general anaesthesia . Start infusion of oxytocin or ergot alkaloids Continue fluid and blood replacement Bimanual uterine compression and massage are maintained until the uterus is well contracted and hemorrhage is ceased.

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Remove placenta if retained following replacement of the inverted uterus. Careful manual exploration to rule out the possibility of genital tract trauma. Antibiotics . Adequate analgesics. Oxytocics\ergot are continued for at least 24 hrs. Monitor closely after replacement to avoid re-inversion

MANAGEMENT OF CHRONIC UTERINE INVERSION : 

MANAGEMENT OF CHRONIC UTERINE INVERSION Surgical intervention . Abdominal route Vaginal route

Abdominal route: 

Abdominal route Huntington’s procedure Haultain's procedure

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HUNTINGTON PROCEDURE Locate the cup of the uterus formed by the inversion Dilate the constricting cervical ring digitally Stepwise traction on the funnel of the inverted uterus or the round ligament is given with Allis forceps Reapplied progressively as fundus emerges

(A) Obstetric ventouse applied on the inverted uterine fundus. (B) Reduction of the inverted uterus after traction with the ventouse. Instead of allies forceps alternativelt vacuum cup can be used in HUNTINGTON PROCEDURE : 

( A) Obstetric ventouse applied on the inverted uterine fundus. (B) Reduction of the inverted uterus after traction with the ventouse . Instead of allies forceps alternativelt vacuum cup can be used in HUNTINGTON PROCEDURE 58

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HAULTAIN’S PROCEDURE Incision is made in the posteriorly through the cervix, relieving cervical constriction to increase the size of the ring and allowing traction on the round ligament for the replacement of uterus with subsequent repair of incision from inside the abdomen 59

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Spinellis’s method Kustner’s method Hysterectomy 60 Vaginal route

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SPINELLI’S METHOD Anterior Colpotomy is done and incision on the constricting cervical ring is given for the replacement of uterus

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KUSTNER’S METHOD Posterior Colpotomy is done and incision of the cervix similar to that of spinelli’s method. 62

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Hysterectomy Failure of conservative surgury Family is completed sepsis

COMPLICATIONS OF INVERSION OF UTERUS.: 

COMPLICATIONS OF INVERSION OF UTERUS . Postpartum hemorrhage due to uterine atony. Hypovolaemic shock and all its consequence. Vasovagal shock (due to severe pain). Endometritis (sepsis).

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Infection of adnexa. Necrosis of adnexa (ovaries) due to compression of ovaries as they drawn inside. Damage to intestine / septic paralytic ileus. Chronic inversion . 65

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Recurrence of inversion . Increased risk of rupture of uterus in next pregnancy (when surgical procedure done for inversion). Increased risk of c-section in subsequent delivery. Chronic pelvic pain -> if chronic inversion is not treated.

PREVENTION : 

PREVENTION Many cases of acute uterine inversion result from mismanagement of the third stage of labour in women who are already at risk.

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Education and training of traditional birth attendants LHV, LHW, CMW, Junior doctors regarding active management of third stage of labour. 68

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MANEUVERS ARE TO BE AVOIDED Excessive traction on the umbilical cord Excessive fundal pressure Excessive intra-abdominal pressure Excessively vigorous manual removal of placenta. 70

Moen Jo Daro Larkana Sindh: 

Moen Jo Daro Larkana Sindh THANKS 71