Retrospective Cohort Study
Copyright ©The Author(s) 2025.
World J Clin Pediatr. Sep 9, 2025; 14(3): 104689
Published online Sep 9, 2025. doi: 10.5409/wjcp.v14.i3.104689
Table 1 Clinical characteristics of 20 Russian mucopolysaccharidosis II patients who died between 2016-2022 years
    ID
Height at birth, cm
1st-year psychomotor delay
Delayed mental and speech
Intellectual disability: 5-12 / > 12 year
Hydrocephalus
Epilepsy
Swallow disorders
    Independent walking 5-12 / > 12 year
Hurler pheno-type
Cardio-myopathy
Myxomatous valve degeneration
Respiratory disorders
Tracheostomy
Carpal tunnel syndrome
4649NoYesNo/noYesNoNoYes/yesYesYesYes000
58N/AN/AN/AN/A/N/AN/AN/ANoN/A/N/AYesN/AN/AN/AN/AN/A
6552NoYesMod/profoundYesYesYesYes/noYesYesYesYes0Yes
7157YesNoNo/noN/AN/AN/AYes/yesYesN/AN/AYesN/AN/A
72N/AYesYesNo/noN/AYesYesYes/noYesNoYesYes00
9252NoYesNo/N/AYesYesYesNo/N/AYesNoYesYes0Yes
9351NoYesProfound/profoundNoYesYesNo/noYesNoYesYesYesYes
9652NoYesSevere/severeNoYesYesYes/noYesYesYes00Yes
104N/AYesYesNo/noYesNoYesNo/noYesYesYes10N/A
10650YesYesNo/not significantNoN/AN/AN/A/N/AYesNoYesN/AN/AN/A
10957YesYesModerate/severeYesYesYesYes/noYesNoYesYes0Yes
110N/ANoNoNo/noYesNoNoYes/yesYesNoYesYes0Yes
11157YesYesNot significant/profoundYesYesYesYes/noYesYesYesYes0Yes
11351N/AN/AN/A/N/AN/AN/AN/AN/A/N/AYesN/AN/AN/AN/AN/A
11655YesYesSevere/N/AYesNYesN/A/N/AYesYesYes101
120N/ANoNoNo/noN/AN/AN/AYes/noN/AN/AN/AN/AN/AN/A
12456YesYesNo/severeYesNoYesYes/yesYesYesYesYes00
144N/ANoYesNo/N/AYesNoNoYes/N/AYesN/AN/AYes0Yes
14754NoNoNo/noNoNoNoYes/yesYesYesYesYesYesYes
14951YesYesModerate/profoundYesYesYesYes/noYesYesYesYesYesYes