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736  S P E C I A LT Y   P R A C T I C E   I N   C R I T I C A L   C A R E

         Redundant muscle, fibrous and elastic tissue is disposed   Lochia and Perineal Care
         of – the phagocytes of the blood stream deal with this –    The changes in the appearance of the lochia are described
         but  the  process  is  usually  incomplete  and  some  elastic   in  three  stages:  lochia  rubra,  lochia  serosa  and  lochia
         tissue remains. So a uterus that has once been pregnant   alba.   Lochia  rubra  consists  of  blood  coming  chiefly
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         will never return fully to its pre-pregnant state. The decid-  from the placental site, mixed with shreds of the decidua.
         ual lining of the uterus is shed in the form of lochia. The   Three  or  four  days  post  delivery,  the  lochia  changes  to
         new endometrium grows from this basal layer, beginning   brownish  in  colour,  and  consists  of  altered  blood  and
         to be formed at the tenth day and completed by 6 weeks   serum containing leucocytes and organisms; this is called
         postpartum.
                                                              lochia serosa. Seven days post delivery the lochia again
         The rate of involution is measured by the rate of descent   changes, the PV loss is now yellowish in appearance, and
         of the uterine fundus (the top of the uterus) in relation   consists mainly of cervical mucus, leucocytes and organ-
         to either the belly button or the symphysis pubis. Impor-  isms;  this  is  called  lochia  alba.  Normal  lochia  is  not
         tant markers include:                                offensive  in  odour.  Offensive  lochia  coupled  with  or
                                                              without  maternal  pyrexia  may  indicate  a  uterine  infec-
         l  day 1 postnatal, the height of the fundus is usually at   tion. High and low vaginal swabs for culture and sensi-
            the belly button                                  tivity, and the commencement of antibiotic cover, should
         l  there is a steady decrease in size of around 1 cm per   be initiated. Offensive lochia coupled with a high non-
            day                                               involuting (and boggy) uterus may require ultrasound to
         l  as the uterus reduces, it also recedes and is deeper to   exclude  retained  placental  tissue.  An  infected  placental
            palpate                                           site may result in a secondary postpartum haemorrhage.
         l  by  postnatal  day  7,  the  fundal  height  is  often  only
            2–3 cm above the symphysis pubis and by day 10 it is   Regular assessment of the PV loss is required in the early
            usually not palpable at the symphysis pubis       postpartum  phase.  Generally  this  includes  1–2  hourly
         l  the rate of involution is slower in multiparity women,   checks if the PV loss is relatively heavy (pad soaked within
            if there is an infection present, or retained placental   1–2 hours) for the first day, progressing to 4 hourly checks
            tissue/clots.                                     on  day  2,  with  further  reductions  in  observation  fre-
                                                              quency based on clinical condition. Essentially, you need
         A normally contracted uterus is very hard; as you palpate   to  check  the  fundus  and  PV  loss  regularly  enough  to
         the fundus to locate the top and feel the texture of the   detect any excessive blood loss or loss of uterine tone. The
         uterus, you can not push your fingertip into the tissue of   colour  and  volume  of  PV  loss  is  usually  documented
         the  uterus.  A  so-called  boggy  uterus  is  one  that  is  not   along with any pad changes.
         contracted  properly  and  the  fundus  does  not  feel  very
         hard on palpation. Reasons for a ‘boggy uterus’ include   When checking the PV loss, the perineum should also be
         uterine  atony,  retained  tissue/membrane/clot  or  a  full   examined twice a day, even for women that have had a
         bladder  that  is  impeding  the  uterine  nerve  stimulus  to   caesarean birth. A vulval haematoma or varicosities may
         contract. The uterus responds well to tactile stimulation,   have formed and require attention. For women that have
         and the first treatment for a ‘boggy uterus’ is to ‘rub-up’   had a vaginal birth, check the perineum to see if there
         the fundus. This involves palpating the top of the uterus   was any tear or episiotomy at delivery. If there is a tear
         and  literally  giving  it  a  rub.  The  uterus  will  usually   or any sutures, make sure to keep the region clean and
         respond and you will feel it tighten and become harder.   observe for signs of infection or wound dehiscence. Ice
         Such an action may result in a small gush of PV loss. On   packs applied to the perineum may help with any swell-
         some  occasions,  an  uterotonic,  a  drug  that  causes  the   ing and discomfort.
         uterus to contract, may be needed to ensure the uterus is
         contracting properly. If the uterus does not contract prop-  Increased Potential for Deep Vein Thrombosis
         erly, then the vessels that fed the placental bed will not   All postpartum women have an increased likelihood for
         be closed off by the uterine muscle contraction (called   DVT. Preeclampsia and obstetric haemorrhage are addi-
         the living ligature) and the woman will continue to bleed.  tional risk factors, as is an emergency operative procedure
                                                              and  postpartum  immobility.  Most  postpartum  women
                                                              admitted to ICU would fulfil the criteria that recommend
            Practice tip                                      medical  thrombophylaxis.  Routine  postpartum  care
                                                              involves examining the legs for signs of DVT and appro-
            Uterotonics,  drugs  that  cause  the  uterus  to  contract,  are     priate  use  of  thromboembolic  stockings,  sequential
            usually  stored  in  the  refrigerator.  For  example,  syntocinon,   compression  devices  and  thrombophylaxis  as  required
            syntometrine.
                                                              (see www.rcog.org.uk for more details). 30
                                                              BREAST CARE AND BREAST FEEDING
            Practice tip                                      A woman’s breasts and nipples should be examined once
                                                              a  shift  to  assess  their  condition  and  identify  signs  of
            Many  midwives  document  fundal  height  by  fingerwidths  in   complications, such as mastitis. This examination should
            relation  to  the  belly  button.  For  example,  two  fingerwidths   be conducted on all women, regardless of whether she
            below the belly button would be notated by 2F ↓ .  intends to breastfeed or not. The breasts are usually soft,
                                                              although  as  the  milk  comes  in,  they  may  become
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