Mod­er­ate Smok­ing As­so­ci­ated With Sud­den Death Risk In Women

Wellness Update - - Meet Our Doctors -

Dal­las,TX - Women who are lightto-mod­er­ate cig­a­rette smok­ers may be sig­nif­i­cantly more likely than non­smok­ers to suf­fer sud­den car­diac death ac­cord­ing to new re­search in Cir­cu­la­tion: Ar­rhyth­mia & Elec­tro­phys­i­ol­ogy, an Amer­i­can Heart As­so­ci­a­tion jour­nal. The find­ings in­di­cate long-term smok­ers may be at even greater risk, but quit­ting smok­ing can re­duce and elim­i­nate the risk over time. “Cig­a­rette smok­ing is a known risk fac­tor for sud­den car­diac death, but un­til now, we didn’t know how the quan­tity and du­ra­tion of smok­ing ef­fected the risk among ap­par­ently healthy women, nor did we have long-term fol­low-up,” said Roopin­der K. Sandhu, M.D., M.P.H., the study’s lead au­thor and a car­diac elec­tro­phys­i­ol­o­gist at the Univer­sity of Al­berta’s Mazankowski Heart In­sti­tute in Ed­mon­ton, Al­berta, Canada. Re­searchers ex­am­ined the in­ci­dence of sud­den car­diac death among more than 101,000 healthy women in the Nurses’ Health Study, which has col­lected bian­nual health ques­tion­naires from fe­male nurses na­tion­wide since 1976. They in­cluded records dat­ing back to 1980 with 30 years of fol­lowup. Most of the par­tic­i­pants were white, and all were be­tween 30 to 55 years old at the study’s start. On av­er­age, those who smoked re­ported that they started in their late teens. Dur­ing the study, 351 par­tic­i­pants died of sud­den car­diac death. Other find­ings in­clude: • Light-to-mod­er­ate smok­ers, de­fined in this study as those who smoked one to14 cigarettes daily, had nearly two times the risk of sud­den car­diac death as their non­smok­ing coun­ter­parts. • Women with no his­tory of heart disease, can­cer, or stroke who smoked had al­most two and a half times the risk of sud­den car­diac death com­pared with healthy women who never smoked. • For ev­ery five years of con­tin­ued

smok­ing, the risk climbed by 8 per­cent. • Among women with heart disease, the risk of sud­den car­diac death dropped to that of a non­smoker within 15 to 20 years af­ter smok­ing ces­sa­tion. In the ab­sence of heart disease, there was an im­me­di­ate re­duc­tion in sud­den car­diac death risk, oc­cur­ring in fewer than five years. Sud­den car­diac death re­sults from the abrupt loss of heart func­tion, usu­ally within min­utes af­ter the heart stops. It’s a pri­mary cause of heart-re­lated deaths, ac­count­ing for be­tween 300,000-400,000 deaths in the United States each year.

Newspapers in English

Newspapers from USA

© PressReader. All rights reserved.