Analysis of the intra and postoperative period, complications and mortality in the coronary artery bypass grafting and valve replacement surgeries

Authors

  • Leila Gisleide Sehn Heck Universidade Regional do Noroeste do Estado do Rio Grande do Sul – UNIJUI e Hospital de Caridade de Ijuí – HCI.
  • Fernanda Dallazen Pontifícia Universidade Católica do Rio Grande do Sul – PUCRS e Hospital de Caridade de Ijuí – HCI
  • Dante Thomé da Cruz Instituto do Coração do Hospital de Caridade de Ijuí – HCI
  • Silvana Agnolleto Berwanger Instituto do Coração do Hospital de Caridade de Ijuí – HCI
  • Eliane Roseli Winkelmann UNIJUÍ

DOI:

https://doi.org/10.15448/1980-6108.2017.4.28041

Keywords:

heart surgery, intraoperative period, postoperative period, complications, mortality.

Abstract

AIMS: To analyze risk factors, comorbidities, intraoperative and postoperative period, complications and mortality in coronary artery bypass grafting (CABG) and valve replacement (VR) surgeries.

METHODS: A retrospective cross-sectional study, carried out in a general hospital, included patients of both sexes, older than 18 years, submitted to CABG or VR. Data on risk factors, comorbidities, intraoperative and postoperative periods, postoperative complications and mortality were collected from patients' records. For statistical analysis, Student's t-test and Pearson's chi-square test were used to compare the variables of interest between the CABG and VR groups, considering p≤0.05 as significant.

RESULTS: Of 210 records analyzed, 129 (61.4%) patients had performed CABG and 81 (38.5%) had performed VR. In the intraoperative variables, the following were observed in CABG and in VR, respectively (in minutes): ejection fraction 60.2±11.9 vs. 66.2±11.2 (p=0.001); extracorporeal circulation time 75.4±25.1 vs. 105.4±121.5 (p<0.001); aortic clamping time 60.7±39.3 vs. 75.7 ± 26.2 (p=0.003); time of surgery 200.1±76.3 vs. 198.3±71.5 (p=0.865); time of mechanical ventilation 629.1±296.4 vs. 574.4±135.6 (p=0.076). In the postoperative period, the length of stay in the coronary intensive care unit was 2.5±1.8 days in the CABG and 2.5±0.8 days in the VR (p=0.779). Ninety-six (75%) of the patients submitted to CABG and 46 (59%) of the patients submitted to VR had spontaneous heart beat recovery (p=0.020). The majority of patients did not present complications, both in CABG (n=105, 81.4%) and in VR (n=59, 72.8%) (p=0.561). Mortality was 2 (1.6%) in CABG and 4 (4.9%) in VR (p=0.274). The total death rate during the hospital stay was 2.9%.

CONCLUSIONS: In the analysis of the CABG and VT surgeries there were differences during the intraoperative period, but no significant differences in postoperative complications and in hospital mortality were identified. Descriptive and comparative analysis of these two distinct surgical techniques, involving patients with differences in their clinical characteristics, allowed the knowledge of their peculiarities, which could contribute to the planning of care and cardiac rehabilitation of the patient.

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Author Biographies

Leila Gisleide Sehn Heck, Universidade Regional do Noroeste do Estado do Rio Grande do Sul – UNIJUI e Hospital de Caridade de Ijuí – HCI.

Enfermeira; Mestranda em Atenção Integral à Saúde pela UNIJUI/UNICRUZ. 

Fernanda Dallazen, Pontifícia Universidade Católica do Rio Grande do Sul – PUCRS e Hospital de Caridade de Ijuí – HCI

Fisioterapeuta, Doutoranda em Medicina e Ciências da Saúde pela PUCRS; Mestre em Gerontologia pela UFSM.

Dante Thomé da Cruz, Instituto do Coração do Hospital de Caridade de Ijuí – HCI

Médico, especialista em Cirurgia Geral  pelo Hospital Ipiranga/SP e especialista em Cirurgia Cardiovascular pelo INCOR/HC–FMUSP. 

Silvana Agnolleto Berwanger, Instituto do Coração do Hospital de Caridade de Ijuí – HCI

Médica, especialista em Cirurgia Geral pela Santa Casa de Misericórdia de Porto Alegre e especialista em Cirurgia Cardiovascular pela IC-FUC-RS.

Eliane Roseli Winkelmann, UNIJUÍ

Fisioterapeuta, Doutora em Ciências da Saúde: Ciências cardiovasculares pela UFRGS; Mestre de Ciências Biológicas: Fisiologia pela UFRGS; Docente da UNIJUÍ.

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Published

2017-12-18

How to Cite

Heck, L. G. S., Dallazen, F., da Cruz, D. T., Berwanger, S. A., & Winkelmann, E. R. (2017). Analysis of the intra and postoperative period, complications and mortality in the coronary artery bypass grafting and valve replacement surgeries. Scientia Medica, 27(4), ID28041. https://doi.org/10.15448/1980-6108.2017.4.28041

Issue

Vol. 27 No. 4 (2017)

Section

Original Articles

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