Tıp Fakültesi / Faculty of Medicine

Permanent URI for this collectionhttps://hdl.handle.net/11727/1403

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search.filters.applied.f.rights: search.filters.rights.info:eu-repo/semantics/closedAccessSubject: search.filters.subject.coronary artery bypass grafting

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    A Comparison of Two Coronary Artery Bypass Graft Surgery Techniques with Respect to Acute Kidney Injury
    (2015) Beyazpinar, Deniz Sarp; Gultekin, Bahadir; Kayipmaz, Afsin Emre; Kayipmaz, Cagri; Sezgin, Atilla; Giray, Tufan Akin; Kavalci, Cemil; 0000-0003-2529-2946; 0000-0003-4619-4034; AAC-2597-2020; AGG-1308-2022; ABA-7388-2021; ABA-9675-2021; AGQ-5015-2022
    Background: This study aims to compare the conventional coronary artery bypass graft (CABG) surgery and on-pump beating heart bypass grafting (OPBHB) with respect to acute kidney injury and subsequent dialysis requirement. Methods: Between January 2012 and October 2013, medical records of 77 patients who underwent conventional CABG and 76 patients who underwent OPBHB for coronary artery disease in our clinic were retrospectively analyzed. Results: There was no significant difference in preoperative renal function test results between the groups. However, there was a significant difference in cardiopulmonary bypass time and length of intensive care unit stay (p<0.05). Seven (9.21%) of 76 patients in OPBHB group and 11 (14.28%) of 77 patients in CABG group developed acute kidney injury; however, it did not indicate a statistically significant difference between the groups (p>0.05). One patient in OPBHB group and four patients in CABG group also needed dialysis. Conclusion: Our study results suggest that OPBHB is superior to the conventional CABG in terms of acute kidney injury and, more importantly, development of acute renal failure in patients with a serum creatinine level of 1-1.3 mg/dL.
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    Predictiveness of different preoperative risk assessments for postoperative bleeding after coronary artery bypass grafting surgery
    (2020) Gunertem, Eren; Urcun, Salim; Pala, Arda Aybars; Budak, Ali Baran; Ercisli, Murat Abdulhamid; Gunaydin, Serdar; 32659163
    Aim: Postoperative bleeding is a significant cause of morbidity and mortality in patients undergoing cardiac surgery. Studies have been conducted, and guidelines have been published regarding patient blood management and aiming to prevent blood loss in the perioperative period. Various bleeding risk assessments were developed for preoperative period. We aimed to examine the correlations of scoring systems in the literature with the amount of postoperative bleeding in patients undergoing first time coronary artery bypass graft surgery, and to show the most suitable preoperative bleeding risk assessment for coronary artery bypass graft patients. Methods: The study included 550 consecutive patients who underwent coronary artery bypass graft operation. The inclusion criteria were considered as patients to be older than 18 years old and to undergo elective or emergent myocardial revascularization using cardiopulmonary bypass. All variables required for scoring systems were recorded. The initial results of the study were determined as the amount of chest tube drainage, the use of blood products, the change in hematocrit level, reoperation due to bleeding, duration of ventilation, duration of intensive care unit stay, and hospital stay. Mortality which occurred during first 30 days after operation was considered as operative mortality. Operative mortality was accepted as the primary endpoint. Secondary endpoints were massive bleeding and high amount of transfusion. Results: Data were obtained from a series of 550 consecutive patients treated with isolated coronary artery bypass graft. It was seen that PAPWORTH and WILL-BLEED risk assessments responded better for E-CABG grade 2 and 3 bleeding compared to other risk assessments. TRACK, TRUST, and ACTA-PORT scales were found to have low ability to distinguish patients with E-CABG bleeding grade 2 and 3. Conclusion: Predicting postoperative bleeding and transfusion rates with preoperative risk scores in patients undergoing coronary artery bypass graft surgery will provide valuable information to physicians for establishing a proper patient blood management protocol and this will decrease excessive transfusions, unnecessary reoperations as well as improve postoperative outcomes.