[Zhonghua yan ke za zhi] Chinese journal of ophthalmology · 2013
[Visual function of seven children with malignant osteopetrosis after hematopoietic stem cell transplantation].
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Cao Wen-hong, Yu Gang, Qin Mao-quan, Wu Qian, Fan Yun-wei, Cui Yan-hui, Zhang Cheng-yue, Shi Wei
Аннотация
OBJECTIVE: To detect long-term ocular alteration of children with malignant osteopetrosis after hematopoietic stem cell transplantation.
METHODS: Children diagnosed as osteopetrosis from 5 months to 31 months underwent hematopoietic stem cell transplantation. Computed tomography of optic canal, FVEP, ERG and fundus examination were applied to assess the visual function.
RESULTS: Bone marrow transplantation was successful. Peripheral blood test, splenohepatomegalia and osteosclerosis improved gradually. The mean optic canal diameters of right eyes before transplantation was (1.7 ± 0.4)mm. The mean optic canal diameters of right eyes was (3.2 ± 0.7)mm after transplantation. The mean optic canal diameters of left eyes before transplantation was (1.9 ± 0.5)mm . The mean optic canal diameters of left eyes was (3.1 ± 0.8)mm after transplantation. The difference between above two groups was statistically significant(t = -5.204, -4.211;P < 0.05). P2 latency period of FVEP prolonged in 7 cases before transplantation. Mean P2 latency period of FVEP decreased 21.13 ms in 5 cases after transplantation. Mean P2 latency period of FVEP prolonged 22.25 ms in 2 cases after transplantation. Under light adaptation and dark adaptation, ERG amplitude depressed obviously in 2 cases. Two cases with optic nerve atrophy did not change after transplantation.
CONCLUSIONS: Hematopoietic stem cell transplantation is an effective way to deal with malignant osteopetrosis. Successful transplantation has been shown to arrest visual deterioration in some cases.
METHODS: Children diagnosed as osteopetrosis from 5 months to 31 months underwent hematopoietic stem cell transplantation. Computed tomography of optic canal, FVEP, ERG and fundus examination were applied to assess the visual function.
RESULTS: Bone marrow transplantation was successful. Peripheral blood test, splenohepatomegalia and osteosclerosis improved gradually. The mean optic canal diameters of right eyes before transplantation was (1.7 ± 0.4)mm. The mean optic canal diameters of right eyes was (3.2 ± 0.7)mm after transplantation. The mean optic canal diameters of left eyes before transplantation was (1.9 ± 0.5)mm . The mean optic canal diameters of left eyes was (3.1 ± 0.8)mm after transplantation. The difference between above two groups was statistically significant(t = -5.204, -4.211;P < 0.05). P2 latency period of FVEP prolonged in 7 cases before transplantation. Mean P2 latency period of FVEP decreased 21.13 ms in 5 cases after transplantation. Mean P2 latency period of FVEP prolonged 22.25 ms in 2 cases after transplantation. Under light adaptation and dark adaptation, ERG amplitude depressed obviously in 2 cases. Two cases with optic nerve atrophy did not change after transplantation.
CONCLUSIONS: Hematopoietic stem cell transplantation is an effective way to deal with malignant osteopetrosis. Successful transplantation has been shown to arrest visual deterioration in some cases.