Circadian variation of the incidence of upper gastrointestinal bleeding and its relationship with climatic factors / 中国医学科学院学报
Acta Academiae Medicinae Sinicae
;
(6): 339-343, 2009.
Artigo
em Chinês
| WPRIM
| ID: wpr-259016
ABSTRACT
<p><b>OBJECTIVE</b>To study the circadian patterns of the incidence of upper gastrointestinal bleeding (UGIB) and its relationship with climatic factors in Beijing.</p><p><b>METHODS</b>We searched all UGIB records from August 1, 2005 to July 31, 2007 from Beijing Emergency Center and tracked the meteorological data during the same period. The variation of the incidence of UGIB was compared based on day, month, and season. The relation between climatic factors and the incidence of UGIB was also analyzed.</p><p><b>RESULTS</b>Totally 2 580 patients, including 1 888 males (73.2%) and 692 females (26.8%) were included in the study. The mean age was significantly different between males and females [(53.3 +/- 20.4) years vs. (63.3 +/- 20.7) years, P < 0.05]. The occurrence of UGIB were significantly different among different seasons (chi2 = 49.82, P < 0.01), months (chi2 = 83.43, P < 0.01), and hours (chi2 = 126.79, P < 0.01). UGIB cases were presented more frequently in winter and spring, especially in January. More UGIB cases were presented at night, especially from 8 pm to midnight. Partial correlation test showed that the incidence of UGIB significantly correlated with temperature (r = -0.3785, P = 0.001) and barametric pressure (r = -0.3002, P = 0.011). No correlation was found between UGIB incidence and wind speed (P = 0.086) and relative humidity (P = 0.971).</p><p><b>CONCLUSIONS</b>The incidence of UGIB varies in different months and seasons in Beijing. Its climate-related risk factors may include temperature and barametric pressure, but not include relative humidity and wind speed.</p>
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Estações do Ano
/
China
/
Epidemiologia
/
Incidência
/
Ritmo Circadiano
/
Hemorragia Gastrointestinal
/
Conceitos Meteorológicos
Tipo de estudo:
Estudo de incidência
/
Estudo prognóstico
/
Fatores de risco
Limite:
Adulto
/
Idoso
/
Aged80
/
Feminino
/
Humanos
/
Masculino
País/Região como assunto:
Ásia
Idioma:
Chinês
Revista:
Acta Academiae Medicinae Sinicae
Ano de publicação:
2009
Tipo de documento:
Artigo
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