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Vol. 208. Issue 6.
Pages 281-287 (June 2008)
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Vol. 208. Issue 6.
Pages 281-287 (June 2008)
ORIGINALES
Analysis of 27,248 hospital discharges for heart failure: a study of an administrative database 1998-2002
Análisis de 27.248 altas hospitalarias por insuficiencia cardíaca: estudio de una base de datos administrativa de 1998 a 2002
C.M. San Román Terána,
Corresponding author
carlosm.sanroman.sspa@juntadeandalucia.es

Correspondence: C. M. de San Román y de Terán. Jefe de Servicio de Medicina Interna. Hospital Comarcal de la Axarquía. Urbanización «El Tomillar» s/n. 29700 Vélez-Málaga. Málaga. España.
, R. Guijarro Merinob, M. Guil Garcíaa, J. Villar Jiménezb, M. Martín Péreza, R. Gómez Huelgasb, Efficiency Group Of The Internal Medicine Services. Andalusian Society Of Internal Medicine (SADEMI)
a Internal Medicine Service. Hospital Comarcal de la Axarquía. Vélez-Málaga. Málaga. Spain
b Internal Medicine Service. Hospital Regional Universitario Carlos Haya. Málaga. Spain
Article information
Abstract
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Tables (3)
Table 1. Description of discharged patients with heart failure as the main diagnosis, and the coded procedures grouped by the specialization ordering the discharge. Procedures were coded in only 18,024 cases (66.3%) and the data provided here are derived from the total of those coded. The average was 2.7 procedures per case
Table 2. Most frequently found comorbidities in heart failure, according to service
Table 3. Comparison of data reported in other studies, in Spain and in other countries
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Objetivos

Conocer la epidemiología de la hospitalización por insuficiencia cardiaca (IC) en los hospitales de Andalucía (España). Definir el perfil de los pacientes asistidos en Medicina Interna (MI).

Métodos y resultados

Análisis del Conjunto Mínimo Básico de Datos (CMBD) de los 32 hospitales públicos de Andalucía (España) durante 1998-2002, identificando los casos con diagnóstico principal o secundario de IC analizando edad, sexo, estancia, estacionalidad, destino, número de diagnósticos, GDR, procedimientos codificados. Se produjeron 2.787.008 altas, 27.248 de ICC, (15.737 MI, 7.735 Cardiología y 3.776 otros servicios). Las altas por IC crecieron desde 1998 a 2003 (r2=0,7232). El 44% fueron hombres con edad media de 70,98 años (IC 95% 70,08-70,47) y el 56% mujeres con 74,77 (IC 95% 74,61-74,93) (p<0,0001). La tasa de mortalidad intrahospitalaria global fue del 11,1% y encontramos diferencias entre Cardiología y MI. Los pacientes que ingresaron en MI tenían mayor edad (74 años frente a 69, p<0,0001), mayor comorbilidad, estancia media similar (11,1 días) y menor número de procedimientos diagnósticos codificados. La patología asociada fue diferente. La estacionalidad es evidente.

Conclusión

La incidencia de IC es elevada y aumenta progresivamente, aunque más en MI. Las poblaciones de uno y otro servicio son diferentes, por lo que es difícil asegurar diferencias de manejo. Los resultados difieren ligeramente de los cocados en otros países.

Key words:
heart failure
administrative databases
epidemiology
hospital discharges
Palabras clave:
insuficiencia cardiaca
bases de datos administrativas
epidemiología
hospitalización
Aims

To describe the epidemiology of hospital admissions for heart failure in 32 hospitals. To define the profile of those attended by Internal Medicine (IM).

Methods and results

Analysis of the Minimum-Basic-Data-Set registry of 32 public Spanish hospitals, during 1998-2002, identifying those cases whose main or secondary diagnosis was heart failure, with attention to age, sex, length of stay, season, outcome, number of diagnoses, Diagnostic Related Groups (DRG), and coded procedures. There were 2,787,008 discharges, 27,248 with heart failure (15,737 IM, 7,735 Cardiology and 3,776 other services). Discharges for heart failure increase from 1998 to 2002 (r2=0.7232). Of the total, 44% were men (average age 70.98 years; 95% CI 70.08-70.47) and 56% were women (74.77 years; 95% CI 74.61-74.93; p<0.0001). The global in-hospital mortality rate was 11.1% and we found differences between Cardiology and MI. MI patients were older (74 years compared to 69, p<0.0001), had greater comorbidity, a similar length of stay (11.1 days), and a lower number of coded diagnostic procedures. Associated pathologies were different. Seasonal variation is clear.

Conclusion

The incidence of discharges for heart failure is high and steadily increasing, although this is more evident in IM. The populations attended by the two services are different, which makes it difficult to ascertain differences in handling. The results are slightly different from those reported in other countries.

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