Seasonal variations of acute massive submacular haemorrhage associated with age-related macular degeneration

Y. Iguchi, Y. Ito, M. Kikuchi, K. Ishikawa, H. Oshima, H. Yatsuya, H. Terasaki

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Aims: To determine whether there is a seasonal variation in the onset of acute, massive submacular haemorrhage associated with age-related macular degeneration. Methods: Sixty eyes of 59 patients diagnosed between April 1998 and March 2005, were studied retrospectively. For each patient, the month and season of onset of the submacular haemorrhage and the mean monthly ambient temperature in Nagoya were analysed. Any history of systemic hypertension was also recorded, and the seasonal variations were also investigated in hypertensive and non-hypertensive groups. Results: The number of cases peaked in winter with a through in summer, and this seasonal variation was significant (Roger's R = 12.03, p<0.01). The monthly incidence was inversely correlated with the temperature (Spearman's rank correlation coefficient r = 0.89, p<0.01). The seasonal variations were significant in the hypertensive group but not in the non-hypertensive group. Conclusion: The considerable seasonal variations suggests that the mechanism for the haemorrhage is strongly correlated with the systemic blood pressure.

本文言語English
ページ(範囲)1256-1258
ページ数3
ジャーナルBritish Journal of Ophthalmology
90
10
DOI
出版ステータスPublished - 10-2006

All Science Journal Classification (ASJC) codes

  • 眼科学
  • 感覚系
  • 細胞および分子神経科学

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