Unique Characteristics of Prepubertal Onset Systemic Lupus Erythematosus
Identifieur interne : 000294 ( Main/Exploration ); précédent : 000293; suivant : 000295Unique Characteristics of Prepubertal Onset Systemic Lupus Erythematosus
Auteurs : R. Abdwani [Oman] ; E. Abdalla [Oman] ; I. Al-Zakwani [Oman]Source :
- International Journal of Pediatrics [ 1687-9740 ] ; 2019.
Abstract
The aim of this study was to investigate the influence of age at disease onset on disease expression and outcomes of pediatric systemic lupus erythematosus SLE (pSLE).
A total of 103 patients with pSLE from Sultan Qaboos University Hospital, Oman, were retrospectively studied. Epidemiological, clinical phenotype, disease severity, serology, treatment, and outcome were compared among the three groups using univariate statistical tests.
The mean disease duration of the cohort was 9.8 ± 4.7 years. The patients were divided into three groups:
Distinct clinical features were identified in
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DOI: 10.1155/2019/9537065
PubMed: 31263503
PubMed Central: 6556776
Affiliations:
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Abdalla</name><affiliation wicri:level="1"><nlm:aff id="I1">Pediatric Rheumatology Division, Child Health Department, Sultan Qaboos University Hospital, Muscat, Oman</nlm:aff><country xml:lang="fr">Oman</country><wicri:regionArea>Pediatric Rheumatology Division, Child Health Department, Sultan Qaboos University Hospital, Muscat</wicri:regionArea><wicri:noRegion>Muscat</wicri:noRegion></affiliation></author><author><name sortKey="Al Zakwani, I" sort="Al Zakwani, I" uniqKey="Al Zakwani I" first="I." last="Al-Zakwani">I. Al-Zakwani</name><affiliation wicri:level="1"><nlm:aff id="I2">Pharmacology and Clinical Pharmacy, College of Medicine & Health Sciences, Sultan Qaboos University, Muscat, Oman</nlm:aff><country xml:lang="fr">Oman</country><wicri:regionArea>Pharmacology and Clinical Pharmacy, College of Medicine & Health Sciences, Sultan Qaboos University, Muscat</wicri:regionArea><wicri:noRegion>Muscat</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">31263503</idno><idno type="pmc">6556776</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6556776</idno><idno type="RBID">PMC:6556776</idno><idno type="doi">10.1155/2019/9537065</idno><date when="2019">2019</date><idno type="wicri:Area/Pmc/Corpus">000638</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000638</idno><idno type="wicri:Area/Pmc/Curation">000638</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">000638</idno><idno type="wicri:Area/Pmc/Checkpoint">000258</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">000258</idno><idno type="wicri:Area/Ncbi/Merge">000753</idno><idno type="wicri:Area/Ncbi/Curation">000753</idno><idno type="wicri:Area/Ncbi/Checkpoint">000753</idno><idno type="wicri:doubleKey">1687-9740:2019:Abdwani R:unique:characteristics:of</idno><idno type="wicri:Area/Main/Merge">000294</idno><idno type="wicri:Area/Main/Curation">000294</idno><idno type="wicri:Area/Main/Exploration">000294</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Unique Characteristics of Prepubertal Onset Systemic Lupus Erythematosus</title><author><name sortKey="Abdwani, R" sort="Abdwani, R" uniqKey="Abdwani R" first="R." last="Abdwani">R. Abdwani</name><affiliation wicri:level="1"><nlm:aff id="I1">Pediatric Rheumatology Division, Child Health Department, Sultan Qaboos University Hospital, Muscat, Oman</nlm:aff><country xml:lang="fr">Oman</country><wicri:regionArea>Pediatric Rheumatology Division, Child Health Department, Sultan Qaboos University Hospital, Muscat</wicri:regionArea><wicri:noRegion>Muscat</wicri:noRegion></affiliation></author><author><name sortKey="Abdalla, E" sort="Abdalla, E" uniqKey="Abdalla E" first="E." last="Abdalla">E. Abdalla</name><affiliation wicri:level="1"><nlm:aff id="I1">Pediatric Rheumatology Division, Child Health Department, Sultan Qaboos University Hospital, Muscat, Oman</nlm:aff><country xml:lang="fr">Oman</country><wicri:regionArea>Pediatric Rheumatology Division, Child Health Department, Sultan Qaboos University Hospital, Muscat</wicri:regionArea><wicri:noRegion>Muscat</wicri:noRegion></affiliation></author><author><name sortKey="Al Zakwani, I" sort="Al Zakwani, I" uniqKey="Al Zakwani I" first="I." last="Al-Zakwani">I. Al-Zakwani</name><affiliation wicri:level="1"><nlm:aff id="I2">Pharmacology and Clinical Pharmacy, College of Medicine & Health Sciences, Sultan Qaboos University, Muscat, Oman</nlm:aff><country xml:lang="fr">Oman</country><wicri:regionArea>Pharmacology and Clinical Pharmacy, College of Medicine & Health Sciences, Sultan Qaboos University, Muscat</wicri:regionArea><wicri:noRegion>Muscat</wicri:noRegion></affiliation></author></analytic><series><title level="j">International Journal of Pediatrics</title><idno type="ISSN">1687-9740</idno><idno type="eISSN">1687-9759</idno><imprint><date when="2019">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Objectives</title><p> The aim of this study was to investigate the influence of age at disease onset on disease expression and outcomes of pediatric systemic lupus erythematosus SLE (pSLE).</p></sec><sec><title> Methods</title><p> A total of 103 patients with pSLE from Sultan Qaboos University Hospital, Oman, were retrospectively studied. Epidemiological, clinical phenotype, disease severity, serology, treatment, and outcome were compared among the three groups using univariate statistical tests.</p></sec><sec><title> Results</title><p> The mean disease duration of the cohort was 9.8 ± 4.7 years. The patients were divided into three groups:<italic> pre</italic>pubertal onset (n=39) with mean age at diagnosis of 5.1 ± 2.0 years and pubertal disease onset (n=29) with mean age at diagnosis of 10.8 ± 1.0 years as well as<italic> post</italic>pubertal disease onset (n=35) group with mean age at diagnosis of 15.3 ± 1.6 years. The<italic> pre</italic>pubertal pSLE cohort demonstrates unique characteristics with increased frequency of familial SLE (61%) of which 49% were from first-degree relatives. Similarly, this group had distinctive clinical features, which included increased renal disease in pubertal and<italic> post</italic>pubertal groups, respectively (51%<italic> vs</italic> 23%<italic> vs</italic> 20%;<italic> p</italic>=0.039).<italic> Pre</italic>pubertal, similar to pubertal group, had a higher incidence of cutaneous manifestations than in the<italic> post</italic>pubertal group (74%<italic> vs</italic> 69%<italic> vs</italic> 46%;<italic> p</italic>=0.029). Laboratory features in<italic> pre</italic>pubertal group were distinct with increased frequency of positive anti-cardiolipin antibodies (47%), anti-glycoprotein antibodies (42%), ANCA (62%), and low complement levels (97%) compared to pubertal and<italic> post</italic>pubertal group. The<italic> pre</italic>pubertal group also has the lowest frequency of positive SSA antibodies (18%) and SSB antibodies (5.1%). The overall mean SLEDAI score in pSLE cohort was 15.6 ± 18.5. The mean SLEDAI scores among the groups showed no significance difference (<italic>p</italic>=0.110). The overall SLICC DI ≥1 was 36% with a mean damage score of 0.76 ± 1.38. No significant differences in damage index (SLICC DI ≥1) were noted among the groups.</p></sec><sec><title> Conclusions</title><p> Distinct clinical features were identified in<italic> pre</italic>pubertal onset pSLE population of Arab ethnicity. Given the high rate of consanguineous marriage and high frequency of familial SLE in this cohort, these manifestations could be explained by higher frequency of genetic factors that influence the disease pathogenesis.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Lau, C S" uniqKey="Lau C">C. S. Lau</name></author><author><name sortKey="Yin, G" uniqKey="Yin G">G. Yin</name></author><author><name sortKey="Mok, M Y" uniqKey="Mok M">M. Y. 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Islam</name></author></analytic></biblStruct></listBibl></div1></back></TEI><affiliations><list><country><li>Oman</li></country></list><tree><country name="Oman"><noRegion><name sortKey="Abdwani, R" sort="Abdwani, R" uniqKey="Abdwani R" first="R." last="Abdwani">R. Abdwani</name></noRegion><name sortKey="Abdalla, E" sort="Abdalla, E" uniqKey="Abdalla E" first="E." last="Abdalla">E. Abdalla</name><name sortKey="Al Zakwani, I" sort="Al Zakwani, I" uniqKey="Al Zakwani I" first="I." last="Al-Zakwani">I. Al-Zakwani</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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