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Boldingh MI, Dekker L, Maniaol AH, Brunborg C, Lipka AF, Niks EH, Verschuuren JJGM, Tallaksen CME. An up-date on health-related quality of life in myasthenia gravis -results from population based cohorts. Health Qual Life Outcomes 2015; 13:115. [PMID: 26232146 PMCID: PMC4522107 DOI: 10.1186/s12955-015-0298-1] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Accepted: 07/03/2015] [Indexed: 12/03/2022] Open
Abstract
Abstract Current available therapies control Myasthenia gravis (MG) reasonably well, but Health Related Quality of life (HRQOL) remains lower than expected. The aim was provide insights in how HRQOL in MG stands across borders and time, compare the scores to general population controls and other chronic disorders and assess the impact of potential predictors for quality of life such as a) clinical characteristics b) antibodies c) thymoma and d) treatment in a population-based cohort. Methods We designed a population-based cross-sectional study including 858 patients, 373 from Norway and 485 from the Netherlands. The Short Form Health Survey 36 (SF-36) and a cross-cultural validated questionnaire were used. Data were in addition compared to the general population, other chronic diseases and previous studies. Results Mean physical composite score was 59.4 and mental composite score 69.0 with no differences between the countries. The mean HRQOL score was lower in patients with bulbar and generalized symptoms (p < 0.001) compared to sex and age adjusted healthy controls, but not in patients with ocular symptoms or patients in remission. Multivariate analysis revealed that female gender, generalized symptoms and use of secondary immunosuppressive drugs at the time of testing were risk factors for reduced HRQOL. Conclusions Remission and absence of generalized symptoms were favorable factors for HRQOL in MG patients. Historically, the HRQOL levels have not changed since 2001 and no new clinical predictors could be detected in this exhaustive population-based study. Further studies should explore the impact of non clinical factors like ethnic variations, socio-economic and hormonal factors on HRQOL. Electronic supplementary material The online version of this article (doi:10.1186/s12955-015-0298-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- M I Boldingh
- Department of Neurology, Oslo University Hospital, Ullevål and Rikshospitalet, Ullevål, Pb. 4950 Nydalen, 0424, Oslo, Norway. .,Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
| | - L Dekker
- Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands.
| | - A H Maniaol
- Department of Neurology, Oslo University Hospital, Ullevål and Rikshospitalet, Ullevål, Pb. 4950 Nydalen, 0424, Oslo, Norway.
| | - C Brunborg
- Department of Neurology, Oslo University Hospital, Ullevål and Rikshospitalet, Ullevål, Pb. 4950 Nydalen, 0424, Oslo, Norway. .,Department of Epidemiology and Biostatistics, Oslo University Hospital, Ullevål, Oslo, Norway.
| | - A F Lipka
- Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands.
| | - E H Niks
- Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands.
| | - J J G M Verschuuren
- Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands.
| | - C M E Tallaksen
- Department of Neurology, Oslo University Hospital, Ullevål and Rikshospitalet, Ullevål, Pb. 4950 Nydalen, 0424, Oslo, Norway. .,Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
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Sussman J, Farrugia ME, Maddison P, Hill M, Leite MI, Hilton-Jones D. Myasthenia gravis: Association of British Neurologists’ management guidelines. Pract Neurol 2015; 15:199-206. [DOI: 10.1136/practneurol-2015-001126] [Citation(s) in RCA: 97] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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104
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The HLA-B*4601-DRB1*0901 haplotype is positively correlated with juvenile ocular myasthenia gravis in a southern Chinese Han population. Neurol Sci 2015; 36:1135-40. [DOI: 10.1007/s10072-015-2235-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Accepted: 04/28/2015] [Indexed: 01/27/2023]
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105
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Mantero V, Rigamonti A, Bianchi G, Piamarta F, Rossi G, Pozzetti U, Salmaggi A. Pitfall in neurology: giant cell arteritis mimicking ocular myasthenia gravis. Neurol Sci 2015; 36:665-6. [DOI: 10.1007/s10072-015-2074-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Accepted: 01/09/2015] [Indexed: 10/24/2022]
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106
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Suzuki S, Murai H, Imai T, Nagane Y, Masuda M, Tsuda E, Konno S, Oji S, Nakane S, Motomura M, Suzuki N, Utsugisawa K. Quality of life in purely ocular myasthenia in Japan. BMC Neurol 2014; 14:142. [PMID: 24996227 PMCID: PMC4088302 DOI: 10.1186/1471-2377-14-142] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Accepted: 07/01/2014] [Indexed: 11/10/2022] Open
Abstract
Background Since there has been no conclusive evidence regarding the treatment of ocular myasthenia, treatment guidelines were recently issued by the European Federation of Neurological Societies/European Neurological Society (EFNS/ENS). However, the therapeutic outcomes concerning the quality-of-life (QOL) of patients with ocular myasthenia are not yet fully understood. Methods We investigated the therapeutic outcomes of patients with purely ocular myasthenia in a multicenter cross-sectional survey in Japan. To evaluate the severity of ocular symptoms, we used the ocular-quantitative MG (QMG) score advocated by Myasthenia Gravis Foundation of America. We used the Japanese translated version of the MG-QOL15, a self-appraised scoring system. Results Of 607 myasthenia gravis (MG) patients with an observation-duration of illness ≥ 2 years, the cases of 123 patients (20%) were limited to ocular muscles (purely ocular myasthenia). During the entire clinical course, 81 patients experienced both ptosis and diplopia, 36 had ptosis alone, and six had diplopia alone. Acetyl-cholinesterase inhibitors and prednisolone were used in 98 and 52 patients, respectively. Treatment improved ocular symptoms, with the mean reduction in ocular-QMG score of 2.3 ± 1.8 points. However, 47 patients (38%) failed to gain minimal manifestation or a better status. Patients with unfavorable outcomes also self-reported severe QOL impairment. Multivariate analyses showed that the pretreatment ocular-QMG score was associated with unfavorable outcomes, but not associated with the patient’s QOL. Conclusion A treatment strategy designed in accord with a patient's ocular presentation must be considered in order to improve ocular symptoms and the patient's QOL.
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Affiliation(s)
- Shigeaki Suzuki
- Department of Neurology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan.
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