Seasonal Variation of Takotsubo Cardiomyopathy




We read the report “Comparison of Circadian Rhythm Patterns in Takotsubo Cardiomyopathy Versus ST-Segment Elevation Myocardial Infarction” by Sharkey et al. The investigators comprehensively evaluated the chronobiologic pattern of the presentation of Takotsubo cardiomyopathy (TTC), suggesting a peak occurred in the afternoon. They did not find any major difference in seasonal variation in TTC presentation. We recently published a report on the “Prevalence of Takotsubo Cardiomyopathy in the United States.” We analyzed 6,837 hospitalizations of TTC and found that TTC hospitalizations were more frequent in the summer months, particularly in July, and were less frequent during the cooler months. Other investigators have observed a similar summer peak in TTC presentation. This is opposite to the hospitalization trend observed for other acute cardiovascular diseases, such as acute myocardial infarction, hypertensive emergency, and so forth, for which a winter peak has been observed. The exact reason for such seasonal variation is not understood. We acknowledge our study had inherent limitations attributable to the administrative databases. We propose starting a national registry to understand this clinical entity better.


References



  1. 1. Sharkey S.W., Lesser J.R., Garberich R.F., Pink V.R., Maron M.S., and Maron B.J.: Comparison of circadian rhythm patterns in Takotsubo cardiomyopathy versus ST-segment elevation myocardial infarction. Am J Cardiol 2012; 110: pp. 795-799

  2. 2. Deshmukh A., Kumar G., Pant S., Rihal C., Murugiah K., and Mehta J.L.: Prevalence of Takotsubo cardiomyopathy in the United States. Am Heart J 2012; 164: pp. 66-71

  3. 3. Citro R., Previtali M., Bovelli D., Vriz O., Astarita C., Patella M.M., Provenza G., Armentano C., Ciampi Q., Gregorio G., Piepoli M., Bossone E., and Manfredini R.: Chronobiological patterns of onset of Tako-Tsubo cardiomyopathy: a multicenter Italian study. J Am Coll Cardiol 2009; 54: pp. 180-181

  4. 4. Regnante R.A., Zuzek R.W., Weinser S.B., Latif S.R., Linsky R.A., Ahmed H.N., and Sadiq I.: Clinical characteristics and four-year outcomes of patients in the Rhode Island Takotsubo Cardiomyopathy Registry. Am J Cardiol 2009; 103: pp. 105-109

  5. 5. Hertting K., Krause K., Härle T., Boczor S., Reimers J., and Kuck K.H.: Transient left ventricular apical ballooning in a community hospital in Germany. Int J Cardiol 2006; 112: pp. 282-288

  6. 6. Spencer F.A., Goldberg R.J., Becker R.C., and Gore J.M.: Seasonal distribution of acute myocardial infarction in the second national registry of myocardial infarction. J Am Coll Cardiol 1998; 31: pp. 1226-1233

  7. 7. Deshmukh A., Pant S., Kumar G., Murugiah K., and Mehta J.: Seasonal variation in hypertensive emergency hospitalization. J Clin Hypertens (Greenwich) 2012; 14: pp. 269-270

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Dec 7, 2016 | Posted by in CARDIOLOGY | Comments Off on Seasonal Variation of Takotsubo Cardiomyopathy

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