Objective:

The aim of this study is to evaluate the prevalence of anemia in the preoperative period of cardiovascular surgery, its postoperative incidence and its evolution during the first month in our setting.

Methods:

A prospective cohort study was carried out in which all patients undergoing central cardiovascular surgery operated during the period 09/01/2021-09/01/2022 in a university hospital were included. Clinical and laboratory follow-up was carried out prior to surgery, on the fifth and on the 30th postoperative day. Groups with and without preoperative anemia were compared.

Results:

The prevalence of anemia in the preoperative period was 32.1%. The incidence of anemia in the postoperative period was 96% in the group of patients without previous anemia. One month after surgery, 73 and 90% of the patients, with and without preoperative anemia, respectively, remained anemic. Patients with preoperative anemia had less recovery of their hemoglobin values at one month. A trend towards higher mortality and a greater need for referral to post-hospital discharge rehabilitation centers was observed in those with preoperative anemia.

Conclusions:

In this work, a high prevalence and incidence of anemia in the perioperative period of cardiovascular surgeries was evidenced. As well as its subtreatment and high persistence during the month after surgery.

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