Page 782 - ACCCN's Critical Care Nursing
P. 782

Organ Donation and Transplantation  759



               Case study
               Day 1                                              Receiving  regular  physiotherapy  treatments:  change  of  position
               Ms Wright, a 25-year-year-old woman, was found lying on the floor   and suctioning.
               of  her  bathroom  in  the  early  hours  of  the  morning  after  falling   Day 4
               off  a  horse  the  previous  day.  She  was  admitted  to  a  country    0400:  Difficulty  with  ventilation:  asynchronous  breathing  with
               hospital via ambulance (and was able to walk to the ambulance).   ventilator, bradycardic, systemic hypertension: Cushing’s response
               On  arrival  at  hospital  her  vital  signs  included:  GCS  7–8,  BP   was queried as the cause. Sedation was increased, metoprolol and
               165/85 mmHg, pulse rate (PR) 45, O 2  saturation 98%, spontaneous   clonidine  given  with  no  effect;  SNP  was  started  to  control  the
               movement of all limbs, no verbal response. Her weight was esti-  marked hypertension, with a profound drop in BP; given metara-
               mated at 65 kg. She was intubated and ventilated for a cerebral   minol bolus and noradrenaline infusion commenced.
               CT, which revealed extensive frontal contusions, skull fracture, SAH
               and subdural with mass effect. She was retrieved to a metropolitan   0530:  GCS 3 both pupils 5 mm and fixed, nil gag reflex or sponta-
               hospital by air.                                   neous breathing, sedation ceased, noradrenaline titrated to keep
                                                                  MAP >60–80 mmHg, polyuric.
               1345:  On arrival, pupils are unequal and unreactive, sinus rhythm,
               normotensive, GCS 3, morphine and midazolam infusion changed   0800:  Morning  round:  probable  brainstem  failure  noted  after
               to propofol. Taken immediately to theatre for bifrontal craniectomy   sympathetic storm. Plan to perform set of brain death studies at
               and insertion of an extraventricular drain (EVD).  1700, 24 hours after thiopentone ceased. Family conference: events
                                                                  overnight discussed, probable brain death, and time planned to
               1645:  Admitted  to  critical  care:  intracranial  pressure  (ICP)  46,   conduct  tests.  Organ  donor  coordinator  contacted  to  notify  of
               pupils unequal, fully ventilated (SIMV, RR 20, Tv 400 mL, PEEP 5),   potential donor.
               sedated and paralysed, hypertensive: given stat dose of clonidine
               with  effect,  sinus  rhythm,  febrile  39.5°C  and  active  cooling   1200:  Patient moved to side room for privacy, also enabling more
               commenced.                                         family members to  visit at  a time. Routine care including physi-
                                                                  otherapy  treatment  continues.  During  this  time,  the  family
               2200:  Thiopentone infusion commenced: low dose, pupils unequal   broaches the subject of organ donation with the nursing staff and
               and  unreactive,  ICP  30–35 mmHg,  EVD  opened  when  ICP   social  worker,  who  advise  them  that  this  will  be  discussed  after
               >25 mmHg.  Cerebral  perfusion  pressure  (CPP)  50–60 mmHg,   brain death testing. DonateLife organ donor coordinator notified
               systolic  blood  pressure  (SBP)  120–145,  mean  arterial  pressure   of offer of organ donation by family, and asked by the medical staff
               (MAP) >70 mmHg.                                    to  contact  the  coroner  for  permission  to  seek  consent  from  the
               Day 2                                              family.
               0405:  Clinical  deterioration:  ICP  44 mmHg,  PR  60,  BP  170/   1430:  Coroner grants permission for organ and tissue retrieval.
               90 mmHg,  taken  for  urgent  CT  scan:  more  extensive  bifrontal
               contusions, significant mass effect from frontal contusion.  1700:  First set of brain death tests conducted: clinical brainstem
                                                                  reflex testing performed by critical care senior registrar. All reflexes
               0900:  During morning medical round: GCS 3, no cough on suction,   absent: PCO 2 64 mmHg after 10 minutes of apnoea.
               pupils  unequal  and  non-reactive,  normothermic,  good  gas
               exchange,  paralysis  ceased,  low-dose  thiopentone  infusion    1750:  Second  set  of  brain  death  tests  conducted:  clinical
               continues, mannitol, insulin infusion titrated for blood sugar level   brainstem  reflex  testing  performed  by  critical  care  consultant.
               (BSL).  Nasogastric  tube  (NGT)  feeds  commenced.  Family    All  reflexes  absent. Tests  performed  with  family  present  at  their
               conference  involving  parents,  intensivist,  senior  registrar,  social   request.
               worker  and  nursing  staff.  Family  is  told  that  the  head  injury  is   1800:  Formal approach to family by critical care consultant to seek
               life-threatening.                                  consent for organ and tissue retrieval; family agrees.
               2200:  Left  pupil  2 mm  and  reactive,  right  pupil  4 mm  and  non-  1830:  Introduction of State DonateLife organ donor coordinator
               reactive,  spontaneous  extensor  response  in  upper  limbs,  GCS  5,    to family to clarify consent and explain process. Blood collected
               ICP 38 mmHg. Sedation increased.                   and  sent  for  virology,  tissue  typing  and  cross-matching.  Infor-
                                                                  mation collected for referral. DonateLife organ donor coordinator
               Day 3                                              provides  written  material  to  family  which  outlines  process  of
               0830:  ICP  45 mmHg,  EVD  open,  left  pupil  reactive,  right  pupil     donation, support and counselling options and grief and bereave-
               non-reactive,  normothermic,  BP  145/75 mmHg,  PR  72,  strong   ment  information.  Contact  details  are  confirmed  for  follow  up.
               cough on suction, breathing spontaneously.
                                                                  2000:  Referral to transplant teams.
               1600:  Repeat  head  CT:  unchanged,  effaced  ventricles,  anterior
               herniation  through  craniectomy,  brainstem  viable.  CT  neck:  no   2015:  Family  completes  formal  identification  with  police  for  the
               fracture. Thiopentone ceased.                      coroner.
               1900:  Family  conference:  prognosis  noted  as  very  poor,  sub-  2100:  Acceptance  of  offer  by  the  transplant  teams  and  identifi-
               optimal  neurological  state  with  residual  impairment  at  best,     cation  of  potential  recipients  for  heart,  lungs,  liver,  kidneys  and
               progression  to  brain  death  a  possibility.  Sedation  decreased.   pancreas.
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