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Partograph PowerPoint Presentation

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Description : Check out this medical presentation on Obstetrics & Gynecology, which is titled "Partograph", to know about partograph, a graphical record of the observations made of a woman in labour.

Tags : Obstetrics, Gynecology, Partograph, labour

Published on : Jul 18, 2021 | Views : 4509 | Downloads : 8

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Slide 1-

Partograph Dr Ban Hadi
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Partograph A partograph is a graphical record of the observations made of a woman in labour
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History Of Partogram Friedman's partogram devised in 1954 was based on observations of cervical dilatation and fetal station against time elapsed in hours from onset of labour. The time onset of labour was based on the patient's subjective perception of her contractility. Plotting cervical dilatation against time yielded the typical sigmoid or 'S' shaped curve and station against time gave rise to the hyperbolic curve. Limits of normal were defined
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Philpott and Castle in 1972 introduced the concept of "ALERT" and "ACTION" lines. The aim of this study was to fulfill the needs of paramedical personnel practising obstetrics in Rhodesian African primigravidae. The alert line represented the mean rate of progress of the slowest 10% of patients in the African population whom they served. Alert line was drawn at a slope of 1 centimetre/hr for nulliparous women starting at zero time i.e. time of admission . Action line drawn four hours to the right of the alert line showing that if the patient has crossed the alert line active management should be instituted within 4 hours, enabling the transfer of the patient to a specialised tertiary care centre.
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Studd's labour stencils It were introduced in 1972. These stencils predicted the expected pattern of progression of labour based on the extent of dilataton achieved by the time the patient is admitted (zero time). Curves showing the average course of cervical dilatation were constructed for various dilatation on admission. Five separate patterns representing normal labour progression were constructed. The curves were transcribed onto acrylic stencils On admission in labour, the cervical dilatation was assessed and a stencil was used to draw the relevant pencil line of expected progress on the patient's cervicograph which was then completed. Those crossing the nomogram line were found to have a three fold increase in instrumental delivery.
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WHO partograph
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Objectives early detection of abnormal progress of a labour prevention of prolonged labour recognize cephalopelvic disproportion long before obstructed labour assist in early decision on transfer , augmentation , or termination of labour increase the quality and regularity of all observations of mother and fetus early recognition of maternal or fetal problems the partograph can be highly effective in reducing complications from prolonged labor for the mother (postpartum hemorrhage, sepsis, uterine rupture and its sequelae) and for the newborn (death, anoxia, infections, etc.).
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Partograph function The partograph is designed for use in all maternity settings , but has a different level of function at different levels of health care: In health center, the partograph’s critical function is to give early warning if labour is likely to be prolonged and to indicate that the woman should be transferred to hospital (ALERT LINE FUNCTION ) In hospital settings, moving to the right of alert line serves as a warning for extra vigilance , but the action line is the critical point at which specific management decisions must be made Other observations on the progress of labour are also recorded on the partograph and are essential features in management of labour
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Components of the partograph Part 1 : fetal condition ( at top ) Part 11 : progress of labour ( at middle ) Part 111 : maternal condition ( at bottom )
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Part 1 : Fetal condition This part of the graph is used to monitor and assess fetal condition 1 - Fetal heart rate 2 - Membranes and liquor 3 - Moulding the fetal skull bones
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Fetal heart rate Basal fetal heart rate? The baseline rate is best determined over a period of 5–10 minutes < 150 beats/min =tachycardia > 110 beats/min = bradycardia Decelerations? yes/no Relation to contractions? Early Variable Late – -----Auscultation - return to baseline > 30 sec  contraction ----- Electronic monitoring peak and trough (nadir)  > 30 sec
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Membranes and liquor Intact membranes ……………………………………...I Ruptured membranes + clear liquor ………………….C Ruptured membranes + meconium- stained liquor …M Ruptured membranes + blood – stained liquor ……..B Ruptured membranes + absent liquor………………..A
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Moulding the fetal skull bones Moulding is an important indication of how adequately the pelvis can accommodate the fetal head increasing moulding with the head high in the pelvis is an ominous sign of cephalopelvic disproportion separated bones . sutures felt easily ……………….….O bones just touching each other ………………………..+ overlapping bones ( reducible ) ……………………...++ severely overlapping bones ( non – reducible ) ..…..+++
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Part11 – progress of labour . Cervical dilatation Descent of the fetal head Fetal position Uterine contractions this section of the partograph has as its central feature: a graph of cervical dilatation against time
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latent phase : it starts from onset of labour until the cervix reaches 4 cm diltation once 4 cm diltation is reached , labour enters the active phase
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Active phase : Contractions at least 3 / 10 min each lasting < 40 sceonds The cervix should dilate at a rate of 1 cm / hour or faster
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Alert line ( health facility line ) The alert line drawn from 4 cm dilatation represents the rate of dilatation of 1 cm / hour Moving to the right of the alert line means referral to hospital for extra vigilance
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Action line ( hospital line ) The action line is drawn 4 hour to the right of the alert line and parallel to it This is the critical line at which specific management decisions must be made at the hospital
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Cervical dilatation It is the most important information and the surest way to assess progress of labour , even though other findings discovered on vaginal examination are also important when progress of labour is normal and satisfactory , plotting of cervical dilatation remains on the alert line or to the left of it if a woman arrives in the active phase of labour , recording of cervical dilatation starts on the alert line
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Descent of the fetal head It should be assessed by abdominal examination immediately before doing a vaginal examination, using the rule of fifth to assess engagement The rule of fifth means the palpable fifth of the fetal head felt by abdominal examination to be above the level of symphysis pubis When 3/5 or less of fetal head is felt above the level of symphysis pubis , this means that the head is engaged , and by vaginal examination , the lowest part of vertex has passed or is at the level of ischial spines
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Assessing descent of the fetal head by vaginal examination; 0 station is at the level of the ischial spine (Sp). floating head , -3 station : plot o at 5 (on partograph) -2 , -1 station: plot o at 4 0 station: plot o at 3 +1 station: plot o at 2 +2 station: plot o at 1 below +2: plot o at 0
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Occiput transverse positions Occiput anterior positions Fetal position
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Uterine contractions Observations of the contractions are made every half-hour in the active phase frequency how often are they felt ? Assessed by number of contractions in a 10 minutes period duration how long do they last ? Measured in seconds from the time the contraction is first felt abdominally , to the time the contraction phases off Each square represents one contraction
Slide 26-

Methods of assessment of uterine contractions: 1. Manual assessment 2. Cardiotocography The above methods measure the frequency and duration of contractions 3. Intrauterine catheters to measure intrauterine pressure in Montevido units This method will measure the intensity in addition to frequency and duration
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Palpate number of contraction in ten minutes and duration of each contraction in seconds Less than 20 seconds: Between 20 and 40 seconds: More than 40 seconds:
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Part111: maternal condition Assess maternal condition regularly by monitoring : drugs , IV fluids , and oxytocin , if labour is augmented pulse , blood pressure Temperature Urine volume , analysis for protein and acetone
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Maternal pulse / 0.5 hr blood pressure / 4hrs urine evaluation \ 4 hrs
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Management of labour using the partograph
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- progress in active phase remains on or left of the alert line Do not augment with oxytocin if latent and active phases go normally No ARM in latent phase ARM at any time in the active phase
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Between alert and action lines In health center , the women must be transferred to a hospital with facilities for cesarean section , unless the cervix is almost fully dilated Observe labor progress for short period before transfer Continue routine observations ARM may be performed if membranes are still intact
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At or beyond action line Conduct full medical assessement Consider intravenous infusion / bladder catheterization / analgesia Options - Deliver by cesarean section if there is fetal distress or obstructed labour - Augment with oxytocin by intravenous infusion if there are no contraindications
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ABNORMAL PROGRESS OF LABOUR
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NICE concludes that a 4-hour action line should be used as the use of shorter intervals ‘increases interventions without any benefit to mother or baby’. Using a definition of up to 4 cm as the end of the latent phase, NICE goes on to define the diagnosis of delay as ‘cervical dilatation of less than 2 cm in 4 hours for first labours or cervical dilatation of less than 2 cm in 4 hours or a slowing in the progress of labour for second or subsequent labours’.
Slide 37-

One of the main functions of the partograph is to detect early deviation from normal progress of labor
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Moving to the right of alert line This means warning Transfer the woman from health center to hospital Reaching the action line This means possible danger Decision needed on future management (usually by obstetrician or resident )
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Prolonged Active phase
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Secondary arrest of cervical diltation Abnormal progress of labor may occur in cases with normal progress of cervical diltation then followed by secondary arrest of diltation
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Secondary arrest of head descant Abnormal progress of labor may occur with normal progress of descent of the fetal head then followed by secondary arrest of descent of fetal head
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Precipitate Labour - Maximum slope of dilatation of 5 cm/hr or more
Slide 43-

The partograph in the management of labor following cesarean section. In women undergoing a trial of labor following cesarean section, the partographic zone 2-3 h after the alert line represents a time of high risk of scar rupture. An action line in this time zone would probably help reduce the rupture rate without an unacceptable increase in the rate of cesarean section
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Thank you