
'"
I.V.
Therapy
Demystified
PatienlS who ore
"'"
taking
<:4".1
""'ic""8"1
..
" (e.g .. warfarin lCoomodinl)
l1IlIy
be
I""",ribed
PN
solu,ioo.
<ha
t . 1", coouin 1-4 mgld. y
';Wll
i" K
,"
"
Trxe
m'''''r.ll. that
typically.re
admi,ed
to
1'1'1
..,Io'ions include zinc. chromium. oopper.
mang
....
,.,. and oom<ti
.......
lenium.
Viwn,,,,
and
tire
elements ore <=<nu.1
compone""
of
PN
soIu,;oo.
bee""",
,hey en,ure ,hal
mac"",uwn"
.an
be
....
t>boliu-d .ppropriately."'"
Macron"trien"
_ to I'N
",
lu,ion. ioclude J>IlIIein. and
carbohyd""e.
and
_;me.
fat •.
1'1'1
",IUlions
<ha
t
coo","
1"""0; n. and carOOilyd""e. are
.......
time.
referred
to
., l _
in
_! PN JOiu,imu
Of
oome<imes
tolal
pare
nt
..... 1
nu,nt;""
(TPN)
..,Iu.i"".,
f'>.
,
ic""
,.,ho receive infu,iOlU
of
the 2-io_1
11'1'1
solu,ions require
",,,,,Iemenllli
J»«n'enl
i
nfu.ion.
of
fat
emulsion.
(see below).
PN
formul.,
tha
t
coolain
.11
three
e.",",ial
mr"",utrienlS
of
proIein" <arboIlydnt
e._
and fats are
><>mel
'
me.
referred to
..
J_
in
_1
PH
wi.,i"",
()f
"""",ime.
tolal nu
.';'nt
adm;'to
....
(INA
.).
n..
following
sec''''''
d=:ribe.
TNA> in
rno<e
<lcla'!.
n.e ....... nl
of
prole,
..
and
carbohldrate.
in "ny
2_in_1
1PN
fOfmul •• oan be
highly y:lri.
Me
based
011
,be individual paI;"n1'.
c.kulaled
nee<b
ond
moomolic
"'''e.
The
mosI
common carbohydrale .....
"'"
i.
dexu,""". which
can
Cln
ge in
""Iu,ioo
"""""nU
>l
ion< from S_70
percen',"
Glycerol
"""",ime.
i<
.
1""
",cd
...
n
addi'KlmI >OY"'"
of
oarbohyd
......
in Tf'N
""Iu,;o.",
ll'N
",
IUlioru with .
dex'""",
cooc<nlnl';oo
th.,
i.
gre
..
er
than 10 percen' r.hould be
infU>ed
'hrough
10enlnll
,'.,noo.
>Cee
...
i
..
,"
f'roIein
i.
provKled
by
admi.ing
amino ""ids
,",'ith
II><
""Iu,;oo
..
'I'P"'.irru".
ly
0,8 glkg per
<by,
The
adml
I"",,:ribed TI'N roocenlr.illiorr
of
proIein c. n
"'1)'
coo.ider:ably depending
011
the pa'ien.-. metabolic >I
...
ond
.bility
to metabolize
protoin •. "
For in5l:u>re.
pali.",.
with acu
..
reml
f.ilo",
m.y
DOl
be able to rid
themsel.e.
of
,be nitrogen tha, i
••
by_p<odoct
of
omino
IOrid
"",
..
bolism .
nd
c. n
become azotemic_ Therefore.
Ihe>e
p"';"n"
t)pic.lly:ore
p<e",ribed
few.r
omino
"",id. in their
ll'N
solut
ion<,
ll'N
oolotio",
"'"
d •
.,
yellow in wl".-,
Boc.u",
Tf'N
solution.
beeome
u",lObl.
when exJl"'S"'l to light and extre""" in t
empe
...
tu",.
they
are
typic>.lly
>lored
in . refriger.otor."
II
i.
recom"",oo.d
th
..
,be",
b'
g>
be
remo.ed
fr<>m
II><
r<Frige ...
tOf
I hour before they
"'"
hung so thot • cold ""Iut
",n
i.
nOl
info",d into
the
poti.nt
,'"
If a
TPN
lV,
Ng
i<
hanging
fOf
mo<e
tlwl
24 hours.
it
,hould
be
changed
bee,u
",
i, may become
unst.b
le
"""
Eoch
ba
g
of
TPN
>o
lu';on
,hould
be
...
mined closely before
it
i.
hung
f".-
any evKlenre
of
precipitate".- partK:u1aie
matter,
If
.ither
of
the>e
i,
I""",nt.
,be bag oJrould
nOl
be
hunB and ,I>oold
be
,,,,umed to the p/I"""""
y.
It i. possible that
ll'N
..,Iution.
c.n
cOll
t
,"n
precipit
...
or
patticulate matter th
..
i.
not
.i<ibl.,
To
I"","n'
p
..
ients from
~i,'
i
ng
infused precipi
..
te
Of
partK:u
late mat
..
r
th.t
can become emboli,
ll'N
],
V.
><
tups
.h""ld
include .
O,2
_
~m
filter,'