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1996-02-27
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Document 0458
DOCN M9630458
TI The epidemiology of tuberculosis in Gran Canaria, Canary Islands,
1988-92: effectiveness of control measures.
DT 9603
AU Caminero JA; Diaz F; Rodriguez de Castro F; Pavon JM; Esparza R; Cabrera
P; Section of Pneumology, Hospital Universitario Nuestra Senora del;
Pino, Las Palmas de Gran Canaria, Spain.
SO Tuber Lung Dis. 1995 Oct;76(5):387-93. Unique Identifier : AIDSLINE
MED/96091561
AB SETTING: Since there is no national programme for tuberculosis control
in Spain and the epidemiological situation in this country is unknown, a
programme against tuberculosis in Gran Canaria (Canary Islands) was
started in 1987. OBJECTIVE: To analyze the impact of this control
programme, particularly the trend of new cases of tuberculosis by age
groups and risk factors for 1988-92. DESIGN: A detailed search of all
new cases of tuberculosis was carried out by examining the files of all
public and private hospitals and outpatient clinics of the island, the
records of the Services of Clinical Microbiology and Pathology of the
public hospitals, and the registers of patients with AIDS. RESULTS: The
annual rates of new cases of tuberculosis per 100,000 were 32.2 in 1988
(214 cases), 26.2 in 1990 (174 cases), and 29.4 in 1992 (196 cases), and
the rates of sputum-positive cases 13.3 (89 cases), 12 (80 cases) and 15
(100 cases), respectively. The distribution of tuberculosis cases by age
peaked in the age groups 40-49 and 30-39 years. Between 1988 and 1992,
statistically significant differences were found in the percentage of
cured patients (21% [45/214] vs 85.7% [168/196]), patients with a delay
in diagnosis > 3 months (40.2% [86/214] vs 21.9% [43/196]), and contacts
evaluated (45.3% [97/214] vs 90.3% [177/196]). However, an upward trend
in the incidence of tuberculosis for 1990-92 was found in association
with an increase of new cases among the homeless, immigrants, and
HIV-infected people. When these three population groups were excluded
from the analysis, the annual rate for the total population showed a
progressive decline from 1988-92. CONCLUSIONS: The data studied here
show that successful priority control measures (cure rate, early
diagnosis, study of contacts) have been achieved in this island. It is
necessary, however, to develop strategies for combating the tuberculosis
problem in specific high risk populations.
DE Adolescence Adult Age Factors Aged Child Child, Preschool
Emigration and Immigration Female Homeless Persons Human HIV
Infections/COMPLICATIONS Incidence Infant Male Middle Age Risk
Factors Spain/EPIDEMIOLOGY Time Factors
Tuberculosis/COMPLICATIONS/*EPIDEMIOLOGY/PREVENTION & CONTROL JOURNAL
ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).