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Epidemiology of syphilis-related hospitalisations in Spain between 1997 and 2006: a retrospective study.

ABSTRACT: Objective In order to illustrate the important public health impact of syphilis, which is a preventable infection, the epidemiology of syphilis-related hospitalisations in Spain was studied over a 10-year period. Methods A retrospective study was conducted using the National Epidemiological Surveillance System for Hospital Data (Minimum Data Set). All hospitalisations due to syphilis infection in any diagnostic position (ICD-9-CM 090-097) between 1997 and 2006 were analysed, according to the Spanish version of the International Classification of Diseases, ninth revision (ICD-9-CM). Results There were 9556 hospitalisations associated with syphilis in Spain. The hospitalisation rate was 2.33 per 100?000 population, the mortality rate was 0.07 per 100?000 population and the lethality was 3.17%. The hospitalisation rate increased significantly after 2000 and was higher in men. Conclusion Syphilis remains a major public health problem because of both potential complications and its close association with HIV infection. It is necessary to promote early diagnosis, ensure treatment in patients with syphilis and emphasise health promotion and prevention programmes.

SUBMITTER: Garcia-Garcia L

PROVIDER: S-EPMC3208898 | biostudies-other | 2011 Jan

REPOSITORIES: biostudies-other

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Epidemiology of syphilis-related hospitalisations in Spain between 1997 and 2006: a retrospective study.

García-García Laura L Ariza-Megía M Carmen MC González-Escalada Alba A Alvaro-Meca Alejandro A Gil-Demiguel Angel A Gil-Prieto Ruth R

BMJ open 20110101 2

Objective In order to illustrate the important public health impact of syphilis, which is a preventable infection, the epidemiology of syphilis-related hospitalisations in Spain was studied over a 10-year period. Methods A retrospective study was conducted using the National Epidemiological Surveillance System for Hospital Data (Minimum Data Set). All hospitalisations due to syphilis infection in any diagnostic position (ICD-9-CM 090-097) between 1997 and 2006 were analysed, according to the Sp ...[more]

PMID: 22080538

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Project description:BackgroundCystic echinococcosis (CE) is a parasitic disease caused by the tapeworm Echinococcus granulosus. Although present throughout Europe, deficiencies in the official reporting of CE result in under-reporting and misreporting of this disease, which in turn is reflected in the wrong opinion that CE is not an important health problem. By using an alternative data source, this study aimed at describing the clinical and temporal-spatial characteristics of CE hospitalizations in Spain between 1997 and 2012.Methodology/principal findingsWe performed a retrospective descriptive study using the Hospitalization Minimum Data Set (CMBD in Spanish). All CMBD's hospital discharges with echinococcosis diagnosis placed in first diagnostic position were reviewed. Hospitalization rates were computed and clinical characteristics were described. Spatial and temporal distribution of hospital discharges was also assessed. Between 1997 and 2012, 14,010 hospitalizations with diagnosis of CE were recorded, 55% were men and 67% were aged over 45 years. Pediatric hospitalizations occurred during the whole study period. The 95.2% were discharged at home, and only 1.7% were exitus. The average cost was 8,439.11 €. The hospitalization rate per 100,000 per year showed a decreasing trend during the study period. All the autonomous communities registered discharges, even those considered as non-endemic. Maximum rates were reached by Extremadura, Castilla-Leon and Aragon. Comparison of the CMBD data and the official Compulsory Notifiable Diseases (CND) reports from 2005 to 2012 showed that official data were lower than registered hospitalization discharges.ConclusionsHospitalizations distribution was uneven by year and autonomous region. Although CE hospitalization rates have decreased considerably due to the success of control programs, it remains a public health problem due to its severity and economic impact. Therefore, it would be desirable to improve its oversight and surveillance, since officially reported data are underestimating the real burden of CE in Spain.

Project description:BackgroundCryptococcosis due to Cryptococcus gattii is endemic in various parts of the world, affecting mostly immunocompetent patients. A national surveillance study of cryptococcosis, including demographical, clinical and microbiological data, has been ongoing since 1997 in Colombia, to provide insights into the epidemiology of this mycosis.Methodology/principal findingsFrom 1,209 surveys analyzed between 1997-2011, 45 cases caused by C. gattii were reported (prevalence 3.7%; annual incidence 0.07 cases/million inhabitants/year). Norte de Santander had the highest incidence (0.81 cases/million/year), representing 33.3% of all cases. The male: female ratio was 3.3∶1. Mean age at diagnosis was 41±16 years. No specific risk factors were identified in 91.1% of patients. HIV infection was reported in 6.7% of patients, autoimmune disease and steroids use in 2.2%. Clinical features included headache (80.5%), nausea/vomiting (56.1%) and neurological derangements (48.8%). Chest radiographs were taken in 21 (46.7%) cases, with abnormal findings in 7 (33.3%). Cranial CT scans were obtained in 15 (33.3%) cases, with abnormalities detected in 10 (66.7%). Treatment was well documented in 30 cases, with most receiving amphotericin B. Direct sample examination was positive in 97.7% cases. Antigen detection was positive for all CSF specimens and for 75% of serum samples. C. gattii was recovered from CSF (93.3%) and respiratory specimens (6.6%). Serotype was determined in 42 isolates; 36 isolates were serotype B (85.7%), while 6 were C (14.3%). The breakdowns of molecular types were VGII (55.6%), VGIII (31.1%) and VGI (13.3%). Among 44 strains, 16 MLST sequence types (ST) were identified, 11 of them newly reported.Conclusions/significanceThe results of this passive surveillance study demonstrate that cryptococcosis caused by C. gattii has a low prevalence in Colombia, with the exception of Norte de Santander. The predominance of molecular type VGII is of concern considering its association with high virulence and the potential to evolve into outbreaks.

Dataset Information

Epidemiology of syphilis-related hospitalisations in Spain between 1997 and 2006: a retrospective study.

Publications

Epidemiology of syphilis-related hospitalisations in Spain between 1997 and 2006: a retrospective study.

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