Preoperative anemia and postoperative complications in patients undergoing resection of supratentorial tumors: an observational study

Laura Rincón Salgado; María Claudia Niño de Mejía; Darwin Cohen Manrique; Andrés Obando Rondón; William Amaya Zúñiga; Daniel Benítez Ávila; Andrés Zuluaga; Juan Fernando Parada

doi:10.5554/22562087.e1160

Laura Rincón Salgado a. Department of Anesthesiology, Hospital Universitario Fundación Santa Fe de Bogotá. Bogotá, Colombia; b. Anesthesiology Program, School of Medicine, Universidad El Bosque. Bogotá, Colombia. https://orcid.org/0000-0002-7822-0279
María Claudia Niño de Mejía Department of Anesthesiology, Hospital Universitario Fundación Santa Fe de Bogotá. Bogotá, Colombia. https://orcid.org/0000-0003-1023-4794
Darwin Cohen Manrique Department of Anesthesiology, Hospital Universitario Fundación Santa Fe de Bogotá. Bogotá, Colombia. https://orcid.org/0000-0003-1164-6192
Andrés Obando Rondón Department of Anesthesiology, Hospital Universitario Fundación Santa Fe de Bogotá. Bogotá, Colombia. https://orcid.org/0000-0003-3901-7494
William Amaya Zúñiga Department of Anesthesiology, Hospital Universitario Fundación Santa Fe de Bogotá. Bogotá, Colombia. https://orcid.org/0000-0003-0184-1752
Daniel Benítez Ávila Department of Anesthesiology, Hospital Universitario Fundación Santa Fe de Bogotá. Bogotá, Colombia. https://orcid.org/0000-0001-9461-4422
Andrés Zuluaga General Medicine, School of Medicine, Universidad de los Andes. Bogotá, Colombia https://orcid.org/0009-0005-3490-7545
Juan Fernando Parada Department of Anesthesiology, Hospital Universitario Fundación Santa Fe de Bogotá. Bogotá, Colombia. https://orcid.org/0000-0002-1101-3670

DOI: https://doi.org/10.5554/22562087.e1160

Keywords: Anemia, Supratentorial neoplasms, Anesthesia, Neurosurgery, Postoperative complications

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Abstract

Introduction: The incidence of anemia in neurosurgical procedures varies depending on the population and type of surgery. In elective cranial surgery, the prevalence of moderate to severe anemia reaches up to 2.7%. Anemia has been associated with worse outcomes in terms of 30-day morbidity and mortality, as well as increased need for blood transfusions, particularly in emergency interventions.

Objective: To assess the prevalence of preoperative anemia and the occurrence of postoperative complications in patients undergoing resection of supratentorial tumors.

Method: Observational study analyzing patients who underwent resection of supratentorial tumors at Fundación Santa Fe de Bogotá, Colombia. Consecutive sampling was used for patients meeting inclusion criteria, and descriptive results were reported through a prevalence study. The association between preoperative anemia and the proposed outcomes was analyzed using frequency measures such as mean, median, and percentages.

Results: A total of 295 patients were analyzed between 2019 and 2023, with a prevalence of preoperative anemia of 38.3% (adjusted for the city’s altitude). When analyzing anemia severity, a significant crude association was observed with renal failure and surgical site infection.

Conclusion: Preoperative anemia was common in patients with supratentorial tumors and was significantly associated with acute kidney injury and surgical site infection, particularly in moderate to severe cases. Its impact on postoperative morbidity highlights the need for preoperative optimization strategies.

References

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How to Cite

1.

Rincón Salgado L, Niño de Mejía MC, Cohen Manrique D, Obando Rondón A, Amaya Zúñiga W, Benítez Ávila D, et al. Preoperative anemia and postoperative complications in patients undergoing resection of supratentorial tumors: an observational study. Colomb. J. Anesthesiol. [Internet]. 2025 Jul. 1 [cited 2025 Dec. 9];53(4). Available from: https://www.revcolanest.com.co/index.php/rca/article/view/1160