Int. Kongr. Ges. f. Strahlenschutz „20 Jahre nach Tschernobyl“ Berlin

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Physicians of Chernobyl: Health Consequences of the Chernobyl Catastrophe. Strategy of Recovery.
International Conference Kyiv, Ukraine, May 29 – June 3, 2006
How reliable are the dose estimates of UNSCEAR for populations contaminated by
Chernobyl fallout? A comparison of results by physical reconstruction and biological
dosimetry
Inge Schmitz-Feuerhake and Sebastian Pflugbeil
Society for Radiation Protection, Berlin, Germany
Насколько надежны показатели допустимых доз для населения
Научного комитета ООН по изучению воздействия атомной радиации
(UNSCEAR) после Чернобыльской аварии? Сравнение результатов
физической и биологической дозиметрии
Инге Шмитц-Фойерхаке, Себастиан Пфлугбайль
Общество радиационной защиты, Берлин, Германия
Interchromosomal aberrations
30 km Evacuation Zone
Mean effective dose estimate reported by UNSCEAR/WHO: 14 mSv
Acute radiation effects reported by Imanaka & Koide 2000
Dose estimate of Pröhl et al. (HP 2002): adults 6-330 mSv; 1 year old child 13-880 mSv
Estimate of external dose by Imanaka & Koide (2000): 20-320 mSv
Biological dosimetry in lymphocytes of random collectives
Dic dicentric chromosomes, cr centric rings
Region
Sample
Date of
investigation
Evacuees from
43 adults
1986
Prypiat and nearby
Method
Dic
Authors
Remarks
Maznik et al.
1997
Result of the cited authors
430 mSv
15-fold
No overdispersion
Maximum 18-fold in
1987,
then decline but staying sign. elevated
circ 100-fold*)
Mikhalevich et
al. 2000
Maznik 2004
Result of the cited authors
400 mSv
Result of the author 360 mSv
Sevan´kaev et al.
1993
Dose calculation after IAEA
(1991) 1-8 mSv
DeVita et al.
2000
Pilinskaya et al.
1999
Bezdrobnaia et
al. 2002
Evacuated zone
60 children
1986
Evacuees from
Prypiat and nearby
102 adults
10 children
1987-2001 Dic+cr
Evacuated zone
244 children
1991
Evacuated from
Pripyat
Evacuated zone
24 children
1991-1992 Dic
circ 3-fold*)
12 adults
1995
7-10 fold*)
Evacuation zone,
33 adults, not
residents
evacuated
*) Estimation by the writers
Dic+cr
Results
Mean elevation
& specialities
18-fold
No overdispersion
Dic+cr
Dic+cr
1998-1999 Dic+cr
5.5-fold
Gomel and Gomel region
Biological dosimetry in lymphocytes of random collectives
Dic dicentric chromosomes, cr centric rings
Sample
43 pregnant women
18 infants
8 persons
330 healthy adults
Tralo translocations
Date of
Method
investigation
1986-1987 Dic+cr
1988-1990 Dic+cr
46 patients with hematol. malignancies
35 adults
1988-1990 Dic+cr
Tralo, FISH
1988-1990 Dic+cr
Tralo, FISH
1990
Dic
36 children
20 children
1994
1996
70 children
1996
*) Estimation by the writers
Dic
Tralo,
FISH
Dic+cr
Results
Mean elevation
& specialities
5-fold
40-fold
circ 40-fold*)
15-fold
6.5-fold
(6-18)-fold
(6.5-16)-fold
circ 30-fold*)
overdispersion;
2 multiaberrant cells
(3.2-8)-fold
3-fold
significant
18-fold
Authors
Feshenko et al.
2002
Serezhenkov et al.
1992
Domracheva et al.
2000
Domracheva et al.
2000
Verschaeve et al.
1993
Barale et al. 1998
Scarpato et al.
1997
Gemignani et al.
1999
Remarks
Comparison with ESR
Controls from Pisa
10 years after the accident !!
Highly contaminated regions  37 kBq/m2
Biological dosimetry in lymphocytes of random collectives
Dic dicentric chromosomes, cr centric rings
Region
Ukraine/Lugyny district
Malahovka
Russia/Kaluga region
Mladenik
Ogor
Russia/Bryansk region
Clynka
Yordevka
Klincy
Russia/Kaluga region
Uljanovo
Chicdra
Kaluga-Bryansk region
Uljanova district
137
Cs
kBq/m2
Sample
130 children
Date of
investigation
1988-1990
Method
Dics+cr
Results
Mean elevation
& specialities
Increase to 6.6fold in 1990
Authors
Remarks
Eliseeva et al.
1994
Effect not explainable by 137Cs
140
43
17 adults
16 adults
1989
Dic+cr
circ 5-fold*)
circ 2-fold*)
Bochkov et al.
1991
633
444
230
61 adults
432 adults
170 adults
1989-1998
Dic+cr
7-fold
1.5-fold
2-fold
Sevan´kaev
2000
140
100
666 adults
548 adults
200
1989-1998
4-fold
2.5-fold
Chicdra district
100
Ukraine region
 550
333 children
& juveniles
407 children
& juveniles
6 adults
Bryansk and Bryansk
region
Bryansk region
Mirnye
 550
1300
1992
 1100
100 adults
1993
*) Estimation by the writers
Dic+cr
3-fold
1991
Dic
3.7-fold
no decline
circ 5-fold*)
unstable;
stable
cr
1990-2003
5 %  400 mSv
1 % 1000 mSv
4-fold
6 multiaberrant
cells
2 multiaberrant cells
27 multiaberrant cells
Sevan´kaev et
al. 2005
Ganina et al.
1994
Vorob´ev et al.
1994
Salomaa et al.
1997
physical estimates (to 2001)
11.4 mSv and 6.7 mSv
physical estimate 17-35 mSv
multiaberrant cells
Controls from Krasnye Rog
 37 kBq/m2 (Dics 0,43%, multiaberrant cells 2)
Chromosome aberrations in lymphocytes of persons living in West European regions
contaminated by Chernobyl releases; dic dicentric chromosomes, cr centric rings
1
Region
Sample
Date of
study
Method
Salzburg,
Austria1
Germany,
Alps
region2
Norway,
selected
regions3
16 adults
1987
29 children
+ adults
44 reindeer
sames
12 sheep
farmers
Pohl-Rüling et al. 1991
2
Remarks
dic+cr
Results
mean
elevation
6-fold
19871991
dic+cr
circ 3-fold
6 cells with
2 dic
1991
dic+cr
10-fold
Stephan, Oestreicher 1993
3
Physical
dose estimate
0.1-0.5 mSv
Brogger et al. 1996
≤1.6 mSv
5.5 mSv
9
8
Dic rate x 10-3
7
6
5
4
3
2
1
0
1984
1985
1986
1987
1988
1989
1990
1991
Mean rate of dic+cr in 2 citizens of Salzburg
(Pohl-Rüling et al. 1991)
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