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Table 1 Essential clinical features of 10 MYH9 -RD patients who received cochlear implant

From: Cochlear implantation is safe and effective in patients with MYH9-related disease

Patient/family

Age1/gender

Inheritance

NMMHC-IIA mutation (domain)2

Leukocyte inclusions, MGG/IF

Platelet count ×109/L, automated/

microscopic

Spontaneous bleeding WHO3(type of bleeding)

Kidney involvement

Cataract

Other relevant information

Ref.

1/1

34/F

Sporadic

p.R702C (HD)

Yes/Yes

8/14

2 (easy bruising, menorrhagia)

Kidney transplantation

No

Chronic immunosuppressive drugs administration4

A

2/2

40/M

Sporadic

p.R702C (HD)

No/Yes

24/31

1 (easy bruising)

Nephrotic range proteinuria, CRF

No

Previous splenectomy; history of recurrent otitis media (bilateral); HCV hepatitis

A

3/3

43/M

Sporadic

p.R702S (HD)

No/Yes

21/25

2 (easy bruising, epistaxis)

Proteinuria

No

Previous splenectomy; history of chronic otitis media (bilateral)

A

4/4

72/M

AD

p.A95D (HD)

Yes/Yes

70/nd

0

No

No

History of chronic otitis media (left ear) with TM perforation

A

5/5

27/F

AD

p.D1424Y (TD)

Yes/Yes

10/80

0

No

No

None

A

6/6

50/F

AD

p.W33R (HD)

Yes/Yes

19/nd

1 (easy bruising)

No

No

None

B

7/7

12/M

AD

p.R705H (HD)

Yes/Yes

96/nd

0

No

No

None

C

8/7

30/F

AD

p.R705H (HD)

Yes/Yes

115/nd

1 (easy bruising)

No

No

None

C

9/7

46/F

AD

p.R705H (HD)

Yes/Yes

142/nd

1 (easy bruising)

No

No

None

C

10/8

54/F

AD

p.D1424N (TD)

Yes/Yes

39/nd

2 (easy bruising, menorrhagia)

No

No

None

D

  1. Notes: 1 = age at time of cochlear implant. 2 = NMMHC-IIA domain affected by mutation. 3 = according to WHO bleeding scale: grade 0, no bleeding; grade 1, only cutaneous bleeding; grade 2, mild blood loss; grade 3, gross blood loss, requiring transfusion; grade 4, debilitating blood loss, retinal or cerebral associated with fatality. 4 = immunosuppressive treatments (tacrolimus, mycophenolate mofetil, and steroids) for previous kidney transplantation.
  2. Abbreviations: NMMHC-IIA non-muscle myosin heavy chain IIA, HD head domain, TD tail domain, ref. reference, for previously reported patients, AD autosomal-dominant, CRF chronic renal failure, TM tympanic membrane, nd not determined.
  3. References: A = Pecci et al., [8]. B = Saposnik et al., [20]. C = Verver et al., [21] D = Greinacher et al. [22].