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Neonatology
the first 2-4 weeks of a puppy/kitten's life
true or false: the first 2-4 weeks are the most critical
true
true or false: neonatal animals are NOT fully dependent on their mothers for nutrition and care
false
true or false: mothers stimulate urination/ defecation by grooming
true
History of the neonates include:
-number of ill animals
-method they were raised
-normal environment
-behavior
-weight curves
-clinical signs
-medications given
history of the dam include:
-vaccine status
-nutrition
-medications
-problems with pregnancy
equipment for examination:
-pediatric stethoscope (2cm bell)
-digital thermometer (low as 85 degrees F)
-warm, clean surface for examination
true or false: neonates cannot regulate body temperature the first 2 weeks of life
true
Physical exam includes:
-hydration status
-check MM not skin turgor
-urine color
-ventral abdomen skin
-discharge from orifices
-body symmetry
-body conformation
physical exam for integument:
-body hair (should cover all but ventral abdomen)
-muzzle and forelimbs (hairless initially)
-lack of hair or sparse (genetic abnormality, premature birth)
ventral abdomen skin NORMAL
dark pink
ventral abdomen skin CYANOSIS
bluish
ventral abdomen skin SEPSIS
dark red
discharge from orifices
abnormal unless it is urine or feces
body conformation includes:
-head
-neck
-thoracic malformations (pectus excavatum)
-abdomen (body wall defects)
-dorsum
-tail
-stimulates urine and defecation
Palatal defect
this defect will cause nursing milk to go to the nasal cavity
the number one breed that is prone to open fontanel
chihuahua
first week developmental landmarks
-sleep 80% of the time
-nurse every 2-4 hours
-neuromuscular reflexes absent (time specific)
-some motor skills present
-responds to stimuli
-elimination by dam
-sex determination
Motor skills that are present in the first week
-lifts head by 3 days
-crawls by week 1
-suckle (immediate)
-vocalize
Neonates respond to which stimuli
-odor
-touch
-pain
How to do sex determination
anogenital distance; is greater in males than female
second week development landmarks
-begins to crawl
-body temp rises towards adult levels (cannot maintain this well)
-double their body weight
-eyes open
-ear canals open
what age do puppies and kittens open their eyes
kittens- 7-12 days; dogs 10-14 days
what age do puppies and kittens open their ear canals
kittens- 14-16 days; dogs- 6-21 days
neurological exam of pediatric patient
difficult in neonates, nervous system is not fully developed
what reflex is present at birth
suckling
Heart
not completely developed until 7 months of age
immune system
minimal transfer of antibodies in utero colostrum must be consumed in the first 24hrs; mature at 3-4 months
colostrum
extremely important in the transfer of maternal antibodies
liver
be careful in administering drugs here that require hepatic metabolism
kidney
fluid requirements high due to inability to conserve fluid
throid
hyperthyroidism
GI
born sterile
blood samples
-jugular vein
- caution with TV
-cats 60/ml
-dogs 80-90/ml
urine samples include:
-stimulation to urinate
-gently express bladder
-check color to assess hydration
-USG 1.012-1.020 (glycosuria, normal)
-avoid cystocentesis
imaging techniques are
-ultrasound (7.5-MHz transducer, less kilovoltage)
-radiography (focus on one area, reduce kVp by half for an adult)
routine maintenance
healthy neonatal puppies/kittens need almost no care the first weeks of life, healthy mothers take care of everything
New owners must understand that:
-proper essential nutrition
-preventative medications and vaccines are important
-address behavior problems as early as possible
when should owners address behavior problems
As early as possible
Neonatal illnesses that require immediate attention
-hypothermia
-dehydration
-hypoglycemia
-neonatal isoerythrolysis
-malnutrition
normal body temperature management
-neonates depend on proximity to dam to maintain thermal balance during the first two weeks
-the "normal" temp is initially lower
-shivering and vasoconstrictive mechanisms begin 6-8days
- at 6 weeks body temp is similar to adults
hypothermia characteristics
-gut motility slows with decreasing body temperature
-risk of aspiration/ pneumonia, bloating
-inhibits cellular immune functions
true or false: body temperature for hypothermia depends on age
true
body temp for hypothermia for BIRTH
body temp for hypothermia for 1-3 days of age
body temp for hypothermia for 1 week of age
clinical signs of hypothermia when temp is >88f
-restlessness
-crying
-red MM
-skin is cool to touch
-respiratory rate is >40 breaths/min
-heart rate >200bpm
clinical signs of hypothermia when temp is 78-85 degrees F
-lethargy
-uncoordinated, unresponsive
-respiratory rate is 20-25 breaths/min
-heart rate
clinical signs of hypothermia when temp is
-appears dead
-treat if able to arouse
treatment of hypothermia
-slowly reheat patient 2-degrees F/hr, monitor heat shock is possible if too rapid
-incubator/veterinary oxygen cage
-warm IV fluids, not >2 degrees F above body temp
dehydration
-any disease process or imbalance of fluids will lead to this
-high fluid requirements
-total volume is low
-less able to conserve fluids
true or false: all fluids should be warmed to 98-99 degrees F before being administered
true
what are the common routes to treat dehydration
-IO (intraocular)
-PO (by mouth)
hypoglycemia characterisics
-great risk
-neonate is born with few glycogen stores
-poor gluconeogenesis in liver
-failure to suckle after 24-36hrs cause this
-most common cause of seizures
dextrose supplementation for hypoglycemia
5-10% by IV, 15% PO
neonatal isoerythrolysis
occurs with type B mothers giving birth to type, high levels of naturally occurring antibodies against type A RBC's
neonatal isoerythrolysis clinical signs
-jaundice/death within the first 2 days of life
-tail tip necrosis
-test at birth
Why do you remove kittens from the queen in the first 24hrs during neonatal isoerythrolysis
the antibodies in the queen, that the kitten cannot consume are in the colostrum in the first 24 hours; tube feed
malnutrition
-maintain good hydration
-if needed supplement feeding with SQ fluids
-milk replacers that are species appropriate
-tube feed
tube feeding watch for
-technique
-overfeeding
-underfeeding
-monitoring weight
what is the landmark for tube feeding
last rib (palpable)
watch out for when tube feeding
-aspiration in the lungs
-regurgitation
-coughing
-air in the syringe
fading kitten/ puppy syndrome clinical signs
-failure to gain weight
-anorexia
-lethargy
-emaciation
-birth defects
-stillbirth/ weak at birth
-death
fading kitten/ puppy syndrome causes
-poor management
-malnutrition
-inappropriate environmental conditions
-congenital/ genetic defects
-infection
orphan care; materials needed:
-warm cleaning bedding
-milk bottles, nipples
-feeding tubes
-syringes
-gram scale
-cotton balls
-heat source
-hand sanitizers/ fur clippers
why should we weigh orphans
to assess hydration and dehydration status
Ambient temperature for the first week for orphans
84-90 degrees F
Ambient temperature for the second week for orphans
79-84 degrees F
Ambient temperature for the third week for orphans
73.4- 79 degrees F
orphan care
-maintain clean, dry housing
-proper nutrition and supplementation
-stimulate urination and defecation after each feeding
true or false: neonates should take up to their daily requirements in 4-5meals/ day during the first few weeks of life
true
during the first week of life how much will kittens ingest in body weight of milk
10-15% then will increase to 20-25% the next few weeks
puppies get their energy from what the first few weeks
fat, watch milk replacer contents
kitten get their energy from what the first few weeks
protein, watch milk replacer contents
if only 3 feedings per day can be provided then what do you can do to meet the requirements
use milk replacers with energy intake consideration and provide extra fluids SQ
Feeding neonatal's risks
-overfeeding (diarrhea)
-underfeeding (dehydration, lack of weight gain)
-bottle feeding (nipple size)
selection of milk replacers
- Evaluate commercial milk replacers available.
- Energy density
- Homemade diets
- Use only proven recipes.
Medications in the Neonatal Puppy/Kitten
- Due to difference in size, medications are not metabolized at the same rate as adults.
- Care must be taken when choosing and administering medications.
-liver, kidney, BBB are not fully developed