L’analgesia farmacologica in travaglio di...
Transcript of L’analgesia farmacologica in travaglio di...
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2005
2011
2018
21 studies6664 women
38 studies 9658 women
40 studies 11000 women
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2018
Outcome Trials Women RR 95% CI minutes
Length of 1°stage of
labour
12 2981 12.91 - 49.92 18.51
Length of 2° stage of
labour
15 4233 6.67 - 20.66 13.66
Use of oxytocin 13 8351 1.12 1.00-1.26
Malposition 4 673 1.40 0.98 - 1.99
Maternal hypotension 33 3874 11.34 1.89-67.95
Fever > 38° 9 4276 2.51 1.67-3.77
40 studies 11000 women
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2018
Outcome Trials Women RR 95% CI NNT
Instrumental delivery 30 9948 1.44 1.29 - 1.60 20
CS for dystocia 12 5001 0.90 0.73 to 1.12
CS for fetal distress 11 4816 1.43 1.03 to 1.97
CS 33 10350 1.07 0.96 to 1.18
40 studies 11000 women
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Epidurale e parto operativo
Anim-Somuah M et al. Cochrane Database Syst Rev 2018;5:CD000331
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Epidurale e taglio cesareo
Anim-Somuah M et al. Cochrane Database Syst Rev 2018;5:CD000331
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1. Trials cannot be placebo controlled2. RCTs have compared EA and systemic opioid
analgesia3. Impossible to blind4. Decision to proceed with operative delivery is a
subjective clinical one made by the obstetrician5. In the context of an RCT, labour progress and dystocia
are likely to have been very well managed, including rigorous application of active management of labourprotocols specifying the use of oxytocinaugmentation for failure to progress, especially after initiation of epidural analgesia
RCTs
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1. Valutare un outcome ostetrico prima/dopo un evento sentinella (es. EA)
2. I risultati di questi studi sono generalizzabili alla popolazione generale perché le pazienti non hanno scelto di partecipare allo studio
3. Il gruppo di controllo è costituito dal gruppo prima dell’evento
4. LIMITE: assumere che non ci siano stati altri cambiamenti nel periodo post
Impact Studies
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1.Patients excluded from epidural group may belong to a low risk group, who progress easily through labor
2.EA was offered after diagnosis of dystocia, implying the risk of reverse causation
3. Risk factor for dysfunctional labor pre-disposes the women to select labor epidural.
Impact Studies
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Impact studies
Segal S, Su M, Gilbert P. The effect of a rapid change in availability of epidural analgesia on the cesarean delivery rate: a meta-analysis. Am J Obstet Gynecol 2000; 183: 974–8
9 studies37753
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(Obstet Gynecol 2014;123:527–35)
retrospective cohort study of42,268 women
95th percentile nulliparous 197 minutes (no EA) and 336 minutes with EA (P,.001), a difference of 2 hours and 19 minutes
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Analisi Dati CedAP
Parti in ER con travaglio (spontaneo o indotto) - fonte CEDAP
2016 Epidurale
sì no Totale
TC 937 2084 3021
Totale parti 5559 22688 28247
% cesarei 16,9% 9,2% 10,7%
2015 Epidurale
sì no Totale
TC 893 2209 3102
Totale parti 5816 23208 29024
% cesarei 15,4% 9,5% 10,7%
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0
500
1000
1500
2000
2500
3000
3500
729
9371112
1273
17921940
2621
2859
3321
29312786
2049
1589
1385
942
655
Parti Totali Travagli totali Epidurali
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0
500
1000
1500
2000
2500
3000
3500
729
9371112
1273
17921940
2621
2859
3321
29312786
2049
1589
1385
942
655
Parti Totali Travagli totali Epidurali
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Tasso di cesarei Regione Emilia Romagna
25.7%
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CS
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207 525
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207 525
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207 525
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207 525
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Classification of CS after spontaneous or induced labour
Fetal
(no oxytocin)Dystocia
Inefficient uterine action
(IUA)
IUA
Poor response
Error in diagnosis, induction
Intact membranes
Delay in oxytocin
Inadequate dose oxytocin
Appropriate dose but
hesitant use
IUA
Inability to treat overcontracting
IUA
Inability to treat fetal intolerance
IUA
No oxytocin given
Efficient uterine action (EUA)
EUA Persistent malposition
EUA CPD
(obstructed labour multips)
Variables
Diagnosis of labour
Fetal monitoring
Assessment of progress
ARM and Oxytocin regimen
Epidural
Variables
Diagnosis of labour
Fetal monitoring
Assessment of progress
ARM and Oxytocin regimen
Epidural
One to one care
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Grazie per l’attenzione