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Table 1 Background data of the study cohort

From: Clinical outcome, biochemical and therapeutic follow-up in 14 Austrian patients with Long-Chain 3-Hydroxy Acyl CoA Dehydrogenase Deficiency (LCHADD)

Patient (metabolic center)

Gender

Current age (y)

Age at diagnosis

NBS+

Decompensation at diagnosis.

Pregnancy

Birth mode

GA

Patients born before introduction of LCHADD into NBS program, diagnosed clinically

1 (Munich)

M

15.3

5 m

no*

yes

HELLP

CS

37 weeks

2 (Innsbruck)

M

14.1

23 m

no*

yes

normal

CS

38 weeks

3 (Graz)

F

12.2

3 m

no*

yes

normal

vaginal

Term

Patients born after introduction of LCHADD into NBS program (group 1-3):

Group 1: patients showing symptoms before NBS results were available:

4 (Innsbruck)

F

7.8

15 d

yes

(yes)

IUD

CS

32 weeks

5 (Vienna)

M

7.3

15 d

yes

(yes)

normal

vaginal

35 weeks

6 (Innsbruck)

M

2.7

15 d

yes

(yes)

IUD

CS

32 weeks#

Group 2: patients with false negative NBS results:

7 (Graz)

M

10.6

4 m

no**

yes

HELLP

CS

31 weeks#

8 (Salzburg)

M

5.2

5 m

no**

yes

HELPP

CS

29 weeks#

Group 3: patients with positive NBS results, asymptomatic:

9 (Vienna)

F

10.8

1 d

Yes

no

normal

vaginal

Term

10 (Vienna)

F

9.5

6 d

Yes

no

twin pregnancy

CS

29 weeks#

11 (Graz)

F

3.7

1 d

yes

no

HELLP

CS

32 weeks#

12 (Vienna)

M

2.8

10 d

Yes

no

preeclampsia

CS

34 weeks

13 (Vienna)

F

2.7

1 d

Yes

no

path. CTG

CS

25 weeks#

14 (Vienna)

M

0.9

2 d

Yes

no

normal

vaginal

40 weeks

Summary for the 14 LCHADD patients:

 

8 M/6 F

median: 7.6 y

median:15 d

NBS + 9/14

8/14

4/14 HELLP

CS 10/14

9/14 preterm 64%; 6/9 IRDS

range: 0.9-15.3

range: 1d-20 m

64%

57%

1/14 preecl.

71%

  1. Table shows patient number and treating center, gender, current age (referring to October 2013), age at diagnosis, newborn screening result, decompensation at time of diagnosis, pregnancy, birth mode, and gestational age.
  2. Patients are grouped by mode of diagnosis, either born before or after introduction of LCHADD into NBS program.
  3. (NBS+) diagnosis through newborn screening; (GA) gestational age; (C7) therapy with triheptanoate; (M) male; (F) female; (y) years; (m) months; (d) days; (IUD) intrauterine dystrophy, following placental insufficiency; (HELLP) hemolysis, elevated liver enzymes, low platelet count syndrome; (path. CTG) pathological CTG, bradycardia; (CS) Caesarean section. *born before LCHADD was included into Austrian Newborn Screening Program, **newborn screening false negative, probably due to prematurity; #IRDS present; (IRDS) infant respiratory distress syndrome.