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FOREST AND NON-FOREST MAPPING USING ILU IMAGE OVER ZENGCHENG COUNTY IN CHINA
Li, Zeng Yuan,Rosich, Betlem,Chen, Er Xue 대한원격탐사학회 2000 International Symposium on Remote Sensing Vol.16 No.1
In order to evaluate the feasibility of ERS SAR Tandem data for mapping forest/non-forest cover, a case study was carried out over Zhengcheng Caunty in the South China. Digital Land Use Map of this county was used as ground truth to collect signature of different land use types and to evaluate forest and nan-forest classification accuracy. A hierarchical classification tree was established for land use types classification by careful analysis of histograms of several land use types. The classification result was analyzed by comparison with digital ground truth data pixel by pixel. It was shown that there was a considerably good agreement between the ground truth forest map and the obtained forest and non-forest map. An accuracy of 75% has been achieved.
Impact of Puberty in Pediatric Migraine: A Pilot Prospective Study
Elena Fonseca,Marta Torres-Ferrús,Víctor José Gallardo,Alfons Macaya,Patricia Pozo-Rosich 대한신경과학회 2020 Journal of Clinical Neurology Vol.16 No.3
Background and Purpose The short-term evolution of pediatric migraine remains unclear. We aimed to describe the evolution of migraine before and after puberty and its relationship with lifestyle habits. Methods We prospectively selected prepuberal patients from a neuropediatric unit who had a migraine diagnosis. Their medical history, migraine characteristics and impact, and lifestyle habits were recorded at the baseline visit. After 2 years we performed a telephone follow-up assessment. Results Nineteen patients were recruited (age 10.2±2.9 years, mean±SD; 57.9% female), of whom 27.5% had migraine with aura. The accompanying symptoms had changed at the follow- up, with significantly higher prevalence rates of dizziness (44.4% vs. 88.9%), vertigo (11.1% vs. 66.7%), mood changes (38.9% vs 83.3%), confusion (5.6% vs. 77.8%), and allodynia (27.8% vs. 61.1%). Sleep disturbances (5.6% vs. 38.9%) and schedule changes (0% vs. 38.9%) increased significantly as triggers. Prodromal symptoms became more prevalent (16.7% vs. 50%), with a higher proportion of sleep disturbances reported (50.0% vs. 87.5%). Conclusions Prodromal symptoms increase in pediatric migraine after 2 years, and some trigger factors for migraine become more prevalent, including sleep disturbances. New accompanying symptoms are also identified. These changes provide information about how migraine changes during puberty along with physical and lifestyle changes, and represent a dynamic physiopathological process that deserves more research
( Pilar Brito Zeron ),( Marta Perez De Lis Novo ),( Pilar Rosich ),( Carles Tolosa ),( Joaquim Oristrell ),( Luis Saez Comet ),( Mercedes Perez Conesa ),( Jose Antonio Vargas Hitos ),( Jose Mario Sabi 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Background: To analyze the outcomes and therapeutic management of affected pregnancies with autoimmune congenital heart block (aCHB). Methods: Retrospective multicenter study in Internal Medicine Departments; inclusion criteria consisted of: aCHB of any type (I, II or III), fetal EFE and/or cardiomyopathy, cardiac block diagnosed in utero or in the first postpartum month, and mothers carrying anti-Ro52, Ro60 and/or La autoantibodies. Results: A total of 25 pregnancies with aCHB were retrospectively analyzed in 21 anti-Ro/La+ mothers. The mean maternal age at the time of pregnancy with aCHB was 33,25 years. Only 2 mothers received treatment prior to the first affected pregnancy (hydroxychloroquine and hydroxychloroquine+prednisone). Cardiac block consisted of type I (n=1), type II (n=6) and type III (n=18). At diagnosis of aCHB, 15/22 women were treated with dexamethasone (one of them, along with IVIG) and 2/22 with ritodrine. Preventive treatment with IVIG was administered in 2 pregnancies in which a recurrence was observed. Pregnancy was interrupted in 7/25 pregnancies at a mean week of 23.43 (18.2-37), while 18/25 of pregnancies gave a live birth baby with a mean age of 35.71 weeks of birth (30-40). 11 babies required pacemaker implantation, 9 immediately after birth and 2 in the neonatal period (1 at 5 years of age and another at 12). Of the 15 pregnancies with aCHB treated with dexamethasone, 12 achieved pregnancy to term (1 type II disappeared, with no changes in the remaining cases) and there were 3 fetal deaths despite treatment. Of the 7 pregnancies not treated with dexamethasone, 3 babies were born alive (no reversal of the blockade) and there were 4 fetal deaths. Conclusions: aCHB is a serious problem with a fetal mortality of 28% and a high requirement for neonatal pacemaker placement (61%).