1-Parturition and Dystokia

8/12/2019 1-Parturition and Dystokia

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Parturition and Dystocia in

canines

Abdul Nasir


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Parturition (Endocrinological events)

Fetal stressACTH (fetal pituitaryUterine contractionsACTH (fetal pituitaryluteolysisACTH (fetal pituitary

Cervical

dilation


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Stages of Parturition


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Stage I

Duration 6-12 hours

Cervical dilation.

Onset of terine contractions !ot visi"le e#ternall$

%itch is restless& 'ants and a$ voit.

Sho nesting "ehavior

*e'erature dro' (++o ,) a"out 2 h "efore stage IIin /0 of "itches Progesterone is therogenic


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S*E II

3isi"le efforts to e#'el

'u''ies

"doinal usclecontractions

%itch either on her side or

in a s4uatting 'osition

*he chorioallantoic saca$ "e seen first


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S*E II

Pu''ies are delivered& Ever$ 5-6 inutes

Order of 'u''$ deliver$ alternates "eteen

uterine horns.

Duration 5-6 hours---as long as 2 hours

*he 'resentation of the 'u''ies is 60anterior


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!oral Presentation


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Stage III

Stage III is the e#'ulsion of the 'lacenta.

Order a$ "e 7 Pu'-'lacenta-'u'-'lacenta

Pu'-'u'-'lacenta-'lacenta7 Placentas usuall$ 'ass / to 1/ inutes after each 'u'

%itch a$ eat 'lacenta !o 8non 'h$siological value

9a$ cause voiting and diarrhea Careful o"servation including7

Counting of 'lacentas as the$ are e#'elled

Ensures that no fetal e"ranes are retained in the uterus.


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9onitoring :a"or

I'ortant "ecause of7 Earl$ detection and tiel$ intervention in cases of

a"noral la"or

,etal distress

Correlation e#ists "eteen the length and

4ualit$ of la"or and the fetal via"ilit$ and

vigor Perinatal ortalit$ rates decreased fro 550

to 60 through data-"ased interventions


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9onitoring :a"or

TOCODYNAMOMETRY


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;hel'ise


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*$'es of a"noral fetal orientation in 2 "itches ithfetal d$stocia

Type No" of cases Percenta#e

*ransverse'resentation

+ 52.5

%reech 'osture < 2/

3entral 'resentation 5 1. 2 hours ago?

56 hours of 'rogesterone levels decreasing to less than 2

ngAl


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Diagnosis of D$stocia

!o 'u's "orn ithin 2 hours of a successful

deliver$

Signs of la"or not 'rogressing?

Prolonged gestation?


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Clinical e#aination of the d$stocia "itch

3aginosco'$ B o"struction of the "irth canal

Signs of fetal al'osition

:ateral a"doinal radiogra'hs ltrasonogra'h$

Evaluation of uterine contractions

C%C

Cheistr$ 'anel *hese a$ hel' deterine the health of the da 'rior to

'rolonged ani'ulation or surger$


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*reatent of D$stocia


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9ani'ulative *reatent

,eathering (assaging

or tic8ling) Stiulate the ,erguson

refle#. Instruents

Ovarioh$sterecto$

hoo8

S'onge force's

Clashell force's


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Precautions for 9ani'ulation

Pu''$ is 'resent in the "irth canal and can "e

ani'ulated for deliver$

9ani'ulate "itch in a standing 'osition.

se 'lent$ of lu"rication (!arro "irth

canal)

se to fingers to ani'ulate

Do not gras' distal e#treities or the tail.

Degloving inuries are coon


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9EDIC: *@E*9E!*

.1-2 IAg o#$tocin I9 If 'u' "orn ith in 5 inutes

@e'eat o#$tocin at 5 inutes interval

ntil all 'u's are "orn

If no 'u' "orn ith in 5 inutes of o#$tocin thera'$ ive 10 calciu gluconate .2 lAg I3 (not e#eed /

lA"itch)

@e'eat o#$tocin inection

If no 'u' is "orn in 5 inutes 'erfor c section


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9EDIC: *@E*9E!*

D$stocia due to h$'ogl$ceia re'orted in to$

"reeds

If detected7 /-10 glucose I3 until noral glucose level

*ran4uiliers are not recoended ,etal de'ression


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S@IC: *@E*9E!*

=igh success rates ith C section

Earl$ intervention-iniie fetal death

1-./ hrs fro onset of stage 2 ,etal death /.0

/-2 hrs fro onset of stage 2 15.


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S@IC: *@E*9E!*

nesthesia Induce ith 8etaine /-1 gA g

9aintain ith isofluorane or halothane In e#treel$ to#eic and de"ilitated dogs

local anesthetics are 'referred


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Surgical site

On flan8 at an o"li4ue angle 'arallel to last ri"

:eft flan8 incision 5-/ inch long 'arallel to s'ine %eginning 1./ inches "ehind the costal arch

1./ inch. "ove aar$ gland Provide "etter access to uterus

Scar is less 'roinent

9idline or linea al"a incision

(@o"erts& 2)


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Surgical *echni4ue

ll a se'tic easures are andator$

S8in and uscle la$er is dissected

''roach the uterus and a8e an incision at "ifurcation

,etuses are hold and reoved "$ gentle traction terine suturing

F1 catgut "$ single la$er :a"ert suture

9uscular la$ers

F1 catgut "$ si'le continuous ethod (@o"erts& 2)


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Surgical *echni4ue

Prepared sur#ical site

!)in incision


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Surgical *echni4ue

C&ec) t&e %leedin# if any

Muscle incision


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Surgical *echni4ue

Uterine e*teriori+ation

E*teriori+ed uterus


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Surgical *echni4ue

Uterine incision

Pup is re$o'ed alon#

,it& placenta


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Surgical *echni4ue

!)in after closure

!ur#ically re$o'ed pup


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Post O'erative Care

O#$tocin .1-2 IA8g I9 ill 'roote uterine

involution

Parenteral anti"iotic thera'$

,luid thera'$ to neutralie "lood loss


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1-Parturition and Dystokia