THE RELATIONSHIP BETWEEN HEMOGLOBIN LEVEL BEFORE ACUTE NORMOVOLEMIC HEMODILUTION AND NADIR LEVEL OF HEMOGLOBIN DURING CARDIOPULMONARY BYPASS IN ELECTIVE CORONARY ARTERY BYPASS GRAFT SURGERY

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MANSOURI MOJTABA; HABIB EKHIARI SASAN

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Journal: JOURNAL OF ISFAHAN MEDICAL SCHOOL (I.U.M.S) Year:2011 | Volume:28 | Issue:117 Page(s): 1194-1204

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Title

THE RELATIONSHIP BETWEEN HEMOGLOBIN LEVEL BEFORE ACUTE NORMOVOLEMIC HEMODILUTION AND NADIR LEVEL OF HEMOGLOBIN DURING CARDIOPULMONARY BYPASS IN ELECTIVE CORONARY ARTERY BYPASS GRAFT SURGERY

Author(s)

MANSOURI MOJTABA | HABIB EKHIARI SASAN | Issue Writer Certificate

Keywords

ACUTE NORMOVOLEMIC HEMODILUSIONQ3

CARDIOPULMONARY BYPASSQ3

HEMOGLOBINQ3

CORONARY ARTERY BYPASS GRAFTQ3

Abstract

Background: Current data suggests that basal HEMOGLOBIN of 12 mg/dl is suitable for practicing Acute Normovolemic Hemodilution (ANH), during operations not necessitating CARDIOPULMONARY BYPASS. This level seems to be too low when using CPB, complicating this procedure.Methods: To study the relationship between Hb level before ANH and baseline level of HEMOGLOBIN, 581 patients were investigated during CARDIOPULMONARY BYPASS in elective CORONARY ARTERY BYPASS GRAFT (CABG) surgery. Convenient sampling method was used. Repeated measurements of HEMOGLOBIN level were done during the operation.Finding: The mean of baseline HEMOGLOBIN, first HEMOGLOBIN after going on-pomp, nadir HEMOGLOBIN during pomp, and HEMOGLOBIN during pomp for patients underwent ANH was 15.18, 8.38, 7.8 and 8.2 mg/dl respectively and 13.1, 7.7, 7.2, and 7.6 mg/dl for patients who did not undergo ANH. There was significant correlation between basal and first Hb HEMOGLOBIN going on-pomp, nadir HEMOGLOBIN during pomp and mean HEMOGLOBIN during pomp in both ANH and no-ANH groups (P<0.001). There was significant difference between results of current formula to predetermine nadir HEMOGLOBIN, and our actual nadir HEMOGLOBIN obtained from patients. Minimum level of suitable basal HEMOGLOBIN for practicing ANH (450 ml) during on-pomp CABG, was calculated to be 14.55 mg/dl (sensitivity: 77%, specificity: 70%, and AUC: 0.805) and 12.95 mg/dl (sensitivity: 71%, specificity: 64%, and AUC: 0.686) for on-pomp CABG without ANH.Conclusion: Basal HEMOGLOBIN for practicing ANH during on-pomp surgery, somehow, depends on threshold HEMOGLOBIN for blood transfusion and acceptance of advantages and disadvantages of ANH and its complications by physician and patient.

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APA: Copy

MANSOURI, MOJTABA, & HABIB EKHIARI, SASAN. (2011). THE RELATIONSHIP BETWEEN HEMOGLOBIN LEVEL BEFORE ACUTE NORMOVOLEMIC HEMODILUTION AND NADIR LEVEL OF HEMOGLOBIN DURING CARDIOPULMONARY BYPASS IN ELECTIVE CORONARY ARTERY BYPASS GRAFT SURGERY. JOURNAL OF ISFAHAN MEDICAL SCHOOL (I.U.M.S), 28(117), 1194-1204. SID. https://sid.ir/paper/50354/en

Vancouver: Copy

MANSOURI MOJTABA, HABIB EKHIARI SASAN. THE RELATIONSHIP BETWEEN HEMOGLOBIN LEVEL BEFORE ACUTE NORMOVOLEMIC HEMODILUTION AND NADIR LEVEL OF HEMOGLOBIN DURING CARDIOPULMONARY BYPASS IN ELECTIVE CORONARY ARTERY BYPASS GRAFT SURGERY. JOURNAL OF ISFAHAN MEDICAL SCHOOL (I.U.M.S)[Internet]. 2011;28(117):1194-1204. Available from: https://sid.ir/paper/50354/en

IEEE: Copy

MOJTABA MANSOURI, and SASAN HABIB EKHIARI, “THE RELATIONSHIP BETWEEN HEMOGLOBIN LEVEL BEFORE ACUTE NORMOVOLEMIC HEMODILUTION AND NADIR LEVEL OF HEMOGLOBIN DURING CARDIOPULMONARY BYPASS IN ELECTIVE CORONARY ARTERY BYPASS GRAFT SURGERY,” JOURNAL OF ISFAHAN MEDICAL SCHOOL (I.U.M.S), vol. 28, no. 117, pp. 1194–1204, 2011, [Online]. Available: https://sid.ir/paper/50354/en

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