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Complications of 3rd stage of labour ?
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1- Postpartum Hge 2- Retained Placenta 3- Acute uterine inversion 4- Shock 5- DIC
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Postpartum Hge ? Definition Incidence Significance
Pre-requisites for Postpartum Hemostasis Types
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* Definition : - Quantitative Definition : Excessive Bleeding from or into genital tract after delivery of the fetus with blood loss > 500 cc after vaginal delivery > 1000 cc after cesarean section Not accurate as : - Proper estimation maybe difficult/inaccurate - General coniditon depend on both amount & rate of bleeding & maternal health prior to delivery "Anemia / HTN / APH etc .." - Clinical Definition :
Any amount of Bleeding from or into genital tract after delivery of the fetus that affects maternal general condition "Vital signs" * Incidence : 0.5-4% depending on management of labour * Significance : One of the leading causes of maternal mortality in Egypt " 34% of all deaths" * Pre-requisites for Postpartum Hemostasis Blood flow to placental site is 600 ml/min so excessive blood loss may occur after delivery, postpartum hemostasis depend on : 1- Good myometrial contraction & retraction constricting & occluding opened vessels at placental site 2- No retained placental parts 3- Good coagulation * Types : 1- Primary PPH : - Immediate or within first 24 H after delivery - Associated with acute blood loss & is life threatening 2- Secondary PPH : - After the 1st 24 hours after delivery till end of peurperium " 6 weeks " - Uncommon / Mild / Chronic = gynecological
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Aetiology of Primary PPH ?
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Due to combined factors as : A) Atonic PPHge "Placental site" 75-80% : Failure of uterine contraction & retraction Risks include : 1- Overdistension : MFP / PHA / Macrosomia 2- Prolonged labour : exhaustion+dehydration 3- Prolonged Anaethesia or tocolytics 4- APH : PP or Accidental Hge 5- Anemia : hypoxia 6- Full bladder & Nervous shock : reflex atony 7- Fibroid 8- Grand Multipara : lax weak muscles 9- Sudden Cessation of uterine stimulants 10- Retained seperated placenta : impair uterine contractions B) Traumatic PPHge "Genital tract lacerations" : As Ruptured uterus or Vaginal / cervical / perineal lacerations In difficult or operative VDs C) DIC & Hypofibrinogenemia : Can occur in Placenta abruptio / Retained IUFD / Amniotic fluid embolism
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Diagnosis of Primary PP Hge ?
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A) Symptoms : Vaginal bleeding Immediatly or within first 24 H after delivery B) Signs : - History of : Risk Factors Atonic : PHA / MFP etc Traumatic : Difficult or instrumental delivery - General Ex : Hypovolemic shock Pallor & Oliguria Low BP / Rapid weak pulse / subnormal temp
- Abdominal Ex : Uterine size & Consistency Atonic Revealed or partially/totally concealed - Uterus : Lax "Soft Doughy" - FL : High above umblicus if concealed Below Umblicus if revealed Traumatic - Uterus : Firm contracted - FL : Below umblicus - Vaginal Ex : Preferably under anaethesia Detect bleeding from vaginal / perineal / cervical laceration - Explore uterus digitally for retained parts & exclude ruptured uterus
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1- Maternal Mortality : 34% of MMR in Egypt 2- Hemorrhagic shock : Blood loss + DIC 3- Acute renal failure : 2ry to Hypovolemic S. 4- Peurperal sepsis : Low immunity / retained parts / possible manipulations 5- Sheehan's syndrome : Hypopituitaris following PPHge = 2ry Amenorrhea
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A) Prevention : 1- Proper ANC : Identification of risk factors Previous PPH - Causes of APH "PP & PA" - Anemia - Overdistended uterus "MFP - PHA " - Grandmultipara. 2- Proper Mx of 1st & 2nd Stage of labour : 1st Bladder evacuation & Avoid prolonged sedation 2nd Avoid difficult prolonged labour & unnecessary instrumental delivery 3- Proper Mx of 3rd Stage of labour : - Delivery of Placenta : Active Mx reduces PPHge by 50% or Wait for signs if placental seperation - Uterine Massage : every 15 mins - Ecbolics : Continue for 1 H after delivery especially in high risk cases - Continous observation : Vital signs + Vaginal bleeding in 1st two hours after delivery B) Treatment : Support life & arrest bleeding by following successive steps in order 1- Anti-Shock Measurments & Blood transfusion whenever necessary. 2- Gentle Uterine Massage : By placing thumb abdominally over fundus & other fingers of the same hands behind to stimulate uterine contractions 3- Ecbolics : Given with massage - Oxytocin : - By IV drip not direct IV bolus = serious hypotension & arrhthmia - Increase freq. & strength of contractions - Methyl Ergometrin : - 0.2-0.4 mg IM or IV not more = Coronary spasm - Causes tetanic uterine contractions - Mesoprostol : 800-1000 ug rectally or anyroute except IV 4- If Retained Placenta : Deliver immediately by controlled cord traction or manual removal 5- Vaginal Exploration Under anesthesia : - Detect & Remove undiagnosed retained placental fragmentes - Detect & Surgically repair any vaginal / cervical lacerations 6- Bimanual Compression of uterus : If bleeding persists = lifesaving till laparotomy By one hand in vaginal fornix & one hand bending the uterus to kink uterine artery 7- Laparotomy : If bleeding persists - Subtotal Hysterectomy : If bleeding is uncontrollable - Bilateral ligation of Anterior division of internal illiac artery or B-Lynch : If young desiring future fertility but if failed = hysterectomy 8- Associated DIC : FFP / FBT / CryoPTT / Fibrinogen / Platelet Concentrate
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Secondary PPHge ? Definition Causes Treatment
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* Definition : Bleeding from or into genital tract after 24 h of delivering the fetus till the end of peurperium * Causes : RIFL + CP 1- Retained placental fragments : MC Dx : US & Tx : Ecbolics or D&C 2- Infection : Seperation of infected sloughs from lower genital tract laceration = Give AB 3- SM Fibroid : Sloughed Necrotic tip 4- Local cause : Polyp / erosion / Cancer Cx
5- Choriocarcinoma : Most dangerous 6- Peurperal inversion or UnDx Chronic * Treatment : Treatment of the cause
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Retained Placenta ? Definition Incidence Aetiology
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* Definition : Failure of expulsion of placenta within 30 mins of delivery of fetus * Incidence : 0.5% of all deliveries * Aetiology : 1- Retained Seperated Placenta : - Atony : Failure of expulsion of seperated P. - Contraction ring : Hour glass deformity of uterus = Incarceration of placenta - Complete Uterine rupture : Passage of placenta to the peritoneal cavity 2- Retained Non-Seperated Placenta : - Atony : No Shearing mechanism needed for seperation - Defective Placentation : - Absent or defective decidual reaction "D.Basalis" = Absence of line of cleavage & MPS layer "Nitabuch's" = CV peneterate uterine muscles. - More common with : PP - CS scar - SM fibroid - Classified as : Accreta : Directly Attached to superficial myometrium Increta : Invade myometrium Percreta : Peneterate through myometrium - May Involve : All cotyledons = Total Few to several = Partial Single Cotyledon = Focal
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Clinical Picture ofRetained Placenta ?
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* Symptoms : 1- Failure of expulsion of placenta within 30 mins of delivery of fetus 2- Vaginal Bleeding : if entire or part of placenta is separated * Signs : - General : Shock Hemorrhagic or even in absence of Hge if retained > 2 hrs "Idiopathic Obs. Shock" - Abdominal : Lax Uterus - Local : Vaginal examination may reveal 1- Hour glass contraction 2- Complete rupture uterus 3- Absent of plane of cleavage
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Complications of Retained Placenta ?
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1- Shock : Hgic or Idiopathic 2- PP Hge 3- Peurperal Sepsis 4- Subinvolution Due to Congestion 5- Retained Parts : Form Placental Polyp giving rise to Choriocarcinoma 6- Complications of : Methods to deliver placenta Perforation / Peurperal sepsis / Inversion / PPHge Anaethesia
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Management of Retained Placenta ?
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A) Uterine Atony : 1- Gentle Uterine Massage : To stimulate uterine contractions 2- Ergmetrin IM : To ensure contraction of uterus 3- Brandt Andrew Maneuver : Deliver Placenta by controlled cord traction & suprapubic presure 4- Crede's Method for retained placenta : - Steps : - Fundus is grasped by four fingers behind & thumb in front to squeeza the placenta - Fundus is then pushed downward & backward to expel placenta - Adv. & Dis. : Easy to do but difficult in obese Do not work with C.ring or Placenta accreta - Complication : Inversion / Partial seperation / PPHge So rarely used in modern obstetrics 5- Manual removal of Placenta : General Anathesia + Bladder evacuation + Complete asepsis Lt hand On abdomen to steady the fundus Rt hand Follows the cord to the placenta & pass the hand to its lower edge then seperate placenta completely by a sawing movement from side to side Grasp Placenta & deliver it Inspect Placenta for missing fragmenets Give Ergometrine + Uterine Massage Complications Perforation / Peurperal sepsis / Retained Parts / PPHge B) Contraction Ring : Deep general anaethesia + Manual removal of placenta C) Adeherent Placenta : Dx at manual removal or by US : loss of retroplacental hypoechoic area +/- invasion - Simple adhesions or partial accreta : Manual removal of placenta - Complete placenta accreta : 1- Abdominal Hysterectomy : In shock & severe Hge esp. MP 2- Autolysis : If young & PG = cut the cord shortly from placenta & leave it in situ to undergo autolysis with close observation & AB + Methotrexate Maybe unsafe 3- Bakri Ballon : inflated at placental site 4- If bladder invasion : HS + Partial Cystectomy D) Rupture Uterus : Antishock measures to prepare the patient for Laparotomy : - Placenta : removed from peritoneal cavity - Uterus : Non Extensive = repair to preserve fertility Extensive tears & Poor general condition = Subtotal Hysterectomy
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Acute Uterine Inversion ? Definition Incidence Aetiology Degrees
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* Definition : Uterus is partially or completely turned inside out after delivery of the neonate * Incidence : 1:2500/6000 * Aetiology : A) Induced : Manipulations on lax uterus 1- Vigorus fundal pressure "Crede's method" 2-Vigorus Traction on cord esp. with abnormally adherent placenta 3- During manual removal of placenta or CS B) Spontaneous : 1- Percipitate labour 2- Traction by fetus on very short cord 3- SM Fundal Fibroid 4- Vigorus straining or coughing * Degrees : 1st Degree Depressed uterine fundus that doesn't pass through cervix or reach Int.OS 2nd Degree Fundus protrudes through cervix 3rd Degree Total inversion dragging on the vagina & protruding outside vulva
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Diagnosis of Acute Peurperal Inversion ?
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A) Symptoms : Pain in lower abdmen Bleeding from the vagina Mass Protruding from vulva if 3rd degree Shock B) Signs : - General : Profound Shock Hypovolemic : Massive blood loss Neurogenic : Traction on peritoneum & Compression of adnexa - Abdomen : Genralized tenderness 1st & 2nd Fundal Cupping 3rd absent uterus - Local : 2nd Soft purple mass felt in the vagina 3rd Soft purple mass seen at vulva = inverted uterus covered by congested endometrium
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Management of Acute Peurperal Inversion ?
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A) Prevention : Avoid 1- Vigorous Manipulation on lax uterus 2- Traction on the cord with abnormally adherent placenta B) Treatment : 1- Anti shock Measurements : Insert 2 wide bores IV Cannulas Blood sample for cross matching Start Ringer Lactate IV infusion or plasma substitutes Place inverted uterus in the vagina 2- Repositioning : - General anaethesia "Halothane = relax uterus" + Tocolytics as terbutaline or MgSo4 - Uterus is Repositioned manually with the palm of the hand & fingers in the direction of long axis of the vagina - If placenta is still attached remove it to facilitate repositioning "Controversial" - When normal configuration is restored stop tocolytics & start oxytocin infusion while maintaining uterus in position till it contracts. NB : Hydrostatic Pressure May be used in repositioning the uterus 3- Surgical correction via Laparotomy : If mentioned procedures failed 4- Hysterectomy is the final option
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Complications of Acute Inversion ?
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1- Postpartum Hge 2- Peurperal Sepsis 3- Shock 4- Subacute : 2ry PPHge & offensive vaginal discharge 5- Chronic : Mass protruding through vagina Diff.Dx : Fibroid & Polyp
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DIC & Hypofibrinogenemia Changes in Coagulation system with pregnancy Definition Etiology
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* Changes in Coagulation system : In late pregnancy : - Fibrinogen "Factor I" increase from 200-400 mg/dl to become 350-650 mg/dl - Factors VII / VIII / IX / X increase in concenteration - Other factors & platlet count "N = 150000 - 400000 / cmm " = don't change remarkably * Definition : - Hematological condition characterized by accelerated fibrin formation & lyses with consumption of coagulation factors & platlets in variable quantities. - Signs of hypofibrinogenemia develop when fibrinogen level goes below 100 mg/dl. * Etiology : Pregnancy related cause : A) Common : 1- Placenta abruptio 2- Massive crystalloid or colloid replacement in cases with mass blood loss 3- Severe PE/Eclampsia or HELLP S B) Rare : RSAAAAAM 1- Retained dead fetus > 3-4 weeks as missed abortion or IUFD 2- Sepsis : Toxins 3- Amniotic fluid embolism : Proteases 4- Acute fatty liver of pregnancy 5- Adult RDS 6- Acute Hemolytic transfusion reaction 7- Autoimmune diseases 8- Hematological malignencies or solid tumors
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Mechanism of DIC & Hypofibrinogenemia ?
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A) Accelerated Coagulation : 1- Activation of : - Extrinsic pathway by Thromboplastin from tissue destruction - Intrinsic pathway by collagen & other tissue components when endothelial integrity is lost - Factor 10 directly by proteases present in mucin of amniotic fluid or neoplasms 2- Factor 10 Prothrombinase is activated & convert Prothrombin II to Thrombin IIa 3- Thrombin changes Fibrinogen I into fibrin monomeric & polymeric clots B) Increased Fibrinolysis : 1- Fibrin monomers combine with tPA & plasminogen to release Plasmin 2- Plasmin lyses fibrin monomers & polymers to a serious of FDP including D-dimer
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Diagnosis of Hypofibrinogenemia ? Clinical Picture Investigations
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A) Clinical Picture : Hemorrhage 1- Antepartum or Postpartum Hge 2- Purpuric eruptions at pressure sites = TTP & Incoaguable blood 3- Persistant bleeding form venipuncture sites or after catheter insertion 3- Spontaneous Bleeding from gums & nose 4- Generalized oozing in surgical fields B) Investigations : Detect to Fibrinolysis 1- Prolonged BT (1-3 mins) & PT (3-8 mins) 2- Prolonged PT & PTT "Maybe normal" 3- CBC : Low platlet count 4- Low fibrinogen & Antithrombin III 5- FDPs & Fibrin D-dimer "normally absent" 6- Weiner test "Clot observation test" : 5-10 cc of blood in a test tube incubated at 37* - Normal : Clot within 3-8 mins - Hypofibrinogenemia : Clot formed afte rlonger time & dissolves within 1 hour - Afibrinogenemia : No clot is formed
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Treatment of Hypofibrinogenemia ?
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1- Must be directed toward underlying cause to reverse Defibirination 2- Fresh Frozen Plasma transfusion : If PT is > 1.5 times from control value Goal is PT within 2-3 Seconds of control 3- If Fibrinogen < 100 mg/dl - Cryopercipitate transfusion : Each unit increases fibrinogen by 10 mg/dl Give 10 units after every 2-3 units of plasma - Fibrinogen : 4-10 g IV 3- Platlet Transfursion : If count < 20000/cmm or clinically significant bleeding with count 20000 : 50000/cmm Every unit increases count by 10000/cmm so give 1-3 U/10 Kg/day 4- Antifibrinolytics : Epsilon Amino Caproic acid = 4-6 g IV Trasylol 2-4 ampules each is 25000 U IV Not recommneded in obstetric coagulopathy = organ ischemia & infarction unless all above measures fail NB : Heparin Infusion Is Condemned When Vascular system integrity is compromised
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Peurperal Pyrexia ? Definition Aetiology
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* Definition : Best defined as : - Temperature of 38*C or higher - Lasting for 24 H / Recurrs within 24 H - During first 21 days of peurperium excluding the first 24 H - Measured by mouth with standard technique at least 4 times daily. * Aetiology : 1- Peurperal Sepsis : Most common & Serious complication of peurperium = One of the lethal triad for maternal deaths ( PE + PPHge + Peurperal sepsis ) So : any peurperal pyrexia is considered peurperal sepsis till proved otherwise. 2- Breast infection 3- UTI 4- Respiratory tract Infection 5- Thrombophlebitis 6- General causes : typhoid / malaria
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Peurperal Sepsis ? Definition Aetiology ( PDF + Route + Organisms )
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* Definition : Wound infection of female genital tract occuring during labour or during the first postpartum 3 weeks excluding 1st 24 H * Aetiology : A) PDF : - General = Decreased Immunity 1- Anemia 2- APH or PPH 3- DM 4- Septic focus - Local = In Genital tract 1- Lack of aseptic measure 2- Prolonged ROM 3- Prolonged labour with repeated Vaginal Ex 4- Instrumental delivery with lacerations 5- Cercelage sutures 6- Retained Parts of Placenta or Membranes 7- Intrauterine Manipulations "Manual P.Sep." B) Route : 1- Exogenous : Most Important Droplet infection from attendants Usterilized Instruments 2- Endogenous : By organisms already present in genital tract before delivery eg Vaginitis & Cervicitis 3- Autogenous : Organisms reach genital tract from remote sites via blood stream eg Tonsilitis /RTI /Caries C)Organisms : 1- Anaerobic Streptococci "Most Common" : Non pathogenic but becomes so in the presence of dead tissues = Mild infection 2- GABHS : Virulent = Severe infection 3- Others : Staph. ( Lacerations ) + Non Hemolytic strept. + E.coli + Pseudomonas + C.Welchii
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Pathological types of Peurperal Sepsis ?
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A) Primary Site Infection : 1- Uterus "Endometritis" : MC 1ry site * Acute Putrid Endometritis "Day 4" : Mild Infection / Low Virulence "Anaerobic Strept." - Patient resistance Good / Uterus : Subinvoluted + filled with necrotic tissue = necrotic infected discharge + Leucocytic barrier under endo. = limits spread of infection
* Acute Septic Endometritis "Day 2" : Severe infection / Virulent "GABHS" - Low Patient resistance / Uterus : involuted + lined with pyogenic membrabe with scanty purulent discharge + No Leucocytic barrier 2- Infected Lacerations "Cervical / Vaginal / Perineal" : - Pathology : appear as ulcers with dirty base + greenish discharge + surrounding edema
B) Secondary Site Infectiom "Local Spread" : 1- Parametritis : Inflammation of pelvic cellular tissue lateral to the uterus - Route : Lymphatic spread / Direct from tears - pathology : - Start as : unilateral mass of exaudate pushing the uterus oppositely, If abcess develops it points above inguinal ligament "MC" / Vagina / Rectum / Bladder / Peri-renal space / Gluteal region " Through GSN" / Thigh "Through OF" - Heals by fibrosis pulling uterus to same side 2- Salpingo-oophoritis "PID" : - Route : Lymphatic or vascular from 1ry site 3- Pelvic thrombophlebitis : - Route : From Parametritis or Uterine wall vessels thrombophlebitis - Pathology : Extend to pelvic veins / femoral vein / IVC = Partial or complete occlusion 4- Peritonitis : - Route : Lymphatics of uterine wall / tubal lumen / cervical or vaginal vault lacerations - Pathology : 1- Generalized Peritonitis 2- Localized Pelvic peritonitis "Pelvic Abcess" : Effusion collects in cul du sac = tender cystic swelling behind uterus. C) Generalized Spread : Severe infection In patients with low resistance = Infected emboli results in Septicemia / Septic shock.
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Clinical Picture of Peurperal Sepsis ?
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* Varies according to Pathological Types : A) Local Uterine Infections "Endometritis" : - FHMA + Lower abdominal Pain - Marked Uterine tenderness - FL : Putrid = High "Retained" /Septic = Normal - Discharge : Putrid = offensive or Septic = Scanty Purulent B) Infected lacerations : Fever + Local Pain Wound : hot, red, painful, swollen, covered with purulent exaudate. C) Parametritis : - Starts 7-10 Days Post delivery - Mild fever + tachycardia + Deep seated Pelvic Pain - Cervical tear with unilateral tender mass in one fornix / Horse shoe induration around cervix with extreme tenderness "Jumping sign" - If abcess formed : points & drains as above D) Salpingo-oophoritis : - 7-10 Days post delivery - Fever + Rapid pulse + Bilateral Deep Seated Lower abominal Pain - Tender adnexa & lower abdomen with pain on moving the cervix E) Pelvic Thrombophlebitis : - 2nd week post delivery - Low grade fever "Picket Fence" despite AB Rapid pulse inconsistant with fever + P.Pain - Extension to Femoral Vein : Whole limb is edematous white but not tender "Phlegmasia alba dolens" - To IVC : massive edema in both limbs F) Peritonitis : - Generalized : 1- Marked FHMA + Tachycardia 2- Generalized abdominal pain & tenderness but gaurdening isn't marked "Lax Muscles" 3- Abdominal distension with shifting dullness 4- Continous vomiting "Adynamic IO" = Dehydration & Detrioration of general cond. - Localized "Pelvic Abcess" : 1- FHMA + Tachycardia 2- Pelvic pain & Lower abominal tenderness 3- Cystic tender mass in cul du sac 4- Tenesmus G) Septicemia "Most Serious" : - 1st week post delivery - High shooting fever with tachycardia out of proportion with pyrexia + Rigors - Symptoms & Signs of generalized peritonitis - Late : Skin eruption "Flushing" - Jaundice - renal failure - drowsiness - septic shock
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Diagnosis of Peurperal Pyrexia ?
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A) History of : 1- Infection : In genital tract or body in general 2- Disease : Diabetes & Anemia 3- Delivery : Ask : Mode-Place-Prolonged ROM B) Examination : 1- General : Assess extent / Exclude other causes / Discover possible sources outside genital t. - Vital signs - Cyanosis or Purpura = Septicemia - LL = DVT / Chest / Breast / Throat Infection 2- Abdominal : Tenderness or rigidity / Size of uterus "Subinvoluted" / Renal angles "Pyelonephritis" 3- Local : - Lochia : amount / nature / odeur - Infected Lacerations / Uterine size & tenderness / Pelvic Swellings C) Investigations : 1- Vaginal & Cervical Swabs : For Culture & Sensetivity "Both Aerobic & Anaerobic" 2- Urinary Catheter Specimen : For Complete urine analysis + Culture & Sensetivity 3- Blood Culture & Sensetivity 4- CBC & Blood film "Malaria" 5- Doppler US : DVT 6- Chest Xray : Chest infection
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Prevention of Peurperal Sepsis ?
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A) During Pregnancy : - Treat any infection in genital tract or any septic focus - Improve general condition Treat Anemia / DM B) During Labour : 1- Proper aseptic & anti-septic measures 2- Avoid Unnecessary repeated Vaginal ex. 3- Antibiotics in case of prolonged labour or premature ROM 4- Avoid retained fragments in uterus 5- Proper management of genital lacerations C) During Peurperium : 1- Main aseptic & antiseptic measures 2- Sitting in bed to promote lochia drainage 3- Respiratory & pelvic ms floor exercises 4- Prevent infected personnel or visitors 5- Isolation of suspected cases
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Treatment of Peurperal Sepsis ?
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A) General Measures : 1- Rest & Isolation 2- Diet : Light nutritive diet with Vitamins, Iron & Plenty of fluids. 3- Observation : Frequent Meas. of Vital Signs 4- Analgesics & Antipyretics = Good Sleep B) Antibiotics : Combination of the following till C&S results " 1- Cephalosporins : gram +ve 2- Gentamycin : gram -ve 3- Clindamycin / Metronidazole : Anaerobes C) Promotion of Draiage : 1- Fowler's Position : Semi-setting with Semi-flexed knees to facilitate accumulation of pus in douglas pouch & facilitate drainge by posterior colpotomy 2- Ergometrin : Stimulate uterine contractions for expulsion of retained parts 3- Removal of retained parts : Under GA 4- Removal of sutures : in infected wounds 5- Surgical Drainage : In pelvic abcess orwhen antibiotics fail to cure D) Treatment of Complications : 1- Septic Thrombophlebitis & DVT : Anticoagulatns + Antibiotics + Limb Immobilization till hotness disappear 2- Generalized Perionitis : - NPO + IV Fluids + Ryle tube for GIT drainage - Massive IV antibiotics 3- Septic Shock : CB4
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