Introduction:

breast cancer is a malignant proliferation of epithelial cells lining the breast ducts or lobules.

Objective:

to characterize the effectiveness of preventive analgesic techniques with regional blocks in the control of late postoperative pain of breast cancer at Leon Cuervo Rubio Provincial Surgical Clinical Teaching Hospital during the period 2017 to 2019.

Methods:

an observational, analytical, longitudinal and prospective research was conducted in coordination with the service of Anesthesiology and Surgery at Leon Cuervo Rubio Provincial Surgical Clinical Teaching Hospital. The study target group comprised 260 patients with positive diagnosis of breast cancer and the sample chosen was 176 patients, it met the inclusion criteria.

Results:

the greatest number of affected women was between the fifth and seventh decade of life, representing 65,6 % of the total included in the study, in both groups there was a predominance of absence of pain to slight pain; it was observed that complications were scarce in both groups, although with a slight increase in group A with a predominance of nausea and vomiting in 23 patients (26,14 %).

Conclusions:

hemodynamic stability was evidenced in both study groups, where the variation in pain intensity was minimal and the most frequent postoperative complication was nausea and vomiting.

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