Estimates of the Risk of Endemic Transmission of Hepatitis B Virus and Human Immunodeficiency Virus to Patients by the Percutaneous Route During Invasive Surgical and Dental Procedures (Draft)

DRIAFT

4

Naticra ] J.v1. lance And lspecial surveillance StUdtes -have show
that most patients wi;'t1hacute HBV infection have ~dexktfiable
risk tactorg riot associateld with having had a mediof'1 or dental
procedu%#re in the siX months before onset of jn8
however, the ability of surveillan t ste t0dtect individaual
cases off transmission o~f HBV." ~Wto_ patient iS 1limited'oA
recent case-control study;(rwithi ' j0i'power to detect'a, 2.3 fol d.
increased risk of irnfection) 4$ t;i i nasoiation withi
recent dental work, hospitalizW4 *A;,rg*ry, or medially
rgae <etosas 4 posi ~ f inf act ionin7
patlernts without an ident~fia o their intecOi,

HIV T1rarsmlssion in He4

srK 0n I V f r c
cvip~vt-,,1naexposure
31,~~~i I9,CJ 5aware
serocconVerted to HIV tV
Thadd41it, 16 IHCWs hi
thogh:tC, 'e Occupatic,
r, spccivc expost
Sadd,'tioria1:c
ectrifrom otutside
416;
Propecivest-udies ih
a HOCW cdu,]e tn. a single,,.
~fi~ex.,.interval 0.
r ep o r-,--t aIthou.gh t
ex.pcsu.-*es is unknown bA
d-t te n cohort st 4
C:i t.7 h HA WV-inf ee
u pp e r Imt of the -9
infvpected blood is 0!43*

of
)13

to ~cw ~a result Of
44Ouwn t e d As of DecPIP00r.
~4Ws in the tlie ttsv~hv
anoccupational exposur t )IV.
*lreported in whom HIy ing.t~~~
- -oa Cquired, but in whom set *O~o7
"h4dent.- cou1d not be'documt4*
~ ocupatonaly acquiredkX
~i ted States have been repol,*
tothat the riJ.sk of IilV transmiR~t
a*tIonal percutaneous exposure t ~V
race, 3t;(upper limit of 461.~5
~Transnssiofl of lHIV after t
~tre to HIVy infected blood".has
~4kof transmission after sUcki
~ o serocoriversions have beenMl
altriucusmemnbrane!, #kr ~
lO d '. Based or. these Stu44~ ~
~fidnceinterval for therik$Z
inrane and skin contact with.,,,', 44.
~ &09%respectively.

As~~~ o0.~~t~e 0 1~OjD had received reports of 1.22'3155
Persons with A0l$4O ~cptifl Or ~O
avai-ab'le. Of theo&i m,81 (4. 4 tfWpQ4
--~h are settings, nc tding, 4,0 1 f 7'' ~ a ps
Occucat.ion was reporte L. ltoth1t* ~ ~
who pev-Fr~cried invasive, pr cai* 9 # wja
reported in dental wre
CThe number of tta 5 "A* e~4~,i
unkown Itis believe '0,wAV. * xt
than dental hyrqtnisAt 4k,-.7
with:.AIDS, 140d'
hy itVStS a'? 7. ir

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