EVALUATION OF FACTORS INFLUENCING ON CAUSES OF PROSTHETIC VALVE RE-OPERATION AND EARLY POSTOPERATIVE SURVIVAL TEHRAN EMAM HOSPITAL (1991-2001)

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KAZEMI KHALEDI A.; RAHMANI R.

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Journal: TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ) Year:2003 | Volume:61 | Issue:1 Page(s): 1-6

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Title

EVALUATION OF FACTORS INFLUENCING ON CAUSES OF PROSTHETIC VALVE RE-OPERATION AND EARLY POSTOPERATIVE SURVIVAL TEHRAN EMAM HOSPITAL (1991-2001)

Author(s)

KAZEMI KHALEDI A. | RAHMANI R. | Issue Writer Certificate

Keywords

PROSTHETIC HEART VALVE RE-OPERATION CAUSESQ4

PREOPERATIVE SURVIVALQ4

Abstract

Introduction: Prosthetic valve re-operation has greater mortality and morbidity than primary valve replacement. By recognition of factors influencing on causes of redo operation and PREOPERATIVE SURVIVAL, one can select appropriate prosthesis at primary valve replacement and when operation performed at appropriate time, surgical risk can be reduced.Methods and Materials: Two hundred patients that underwent prosthetic valve re-operation from October 1991 through November 2001 were included in this study. There were 68 men and 132 women with the mean age of 42:t11.8 years. Structural failure was the commonest cause of bio-prosthesis replacement (93%). Valve thrombosis was the common cause of mechanical valve replacement (32%). Age younger Than 50 (P= 0.01) and interval after the first implantation more than 10 years (P= 0.01) affected bio-prosthesis degeneration.Results: Atrial fibrillation (P<0.01), Older age especially more than 40 (P<0.05) and mitral position (P<0.01) affected mechanical valve thrombosis. Cross clamp time (P= 0.005), Tricuspid insufficiency (P=0.001), NYHA IV (P=0.005) and emergent operation (P= 0.001) were independent determinants of hospital mortality.Conclusion: In conclusion, in patients with more than 10-years life expectancy and age younger than 50, mechanical valve can be selected for primary valve replacement. If operation performed before patients reach deteriorated condition, PREOPERATIVE SURVIVAL would be excellent.

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APA: Copy

KAZEMI KHALEDI, A., & RAHMANI, R.. (2003). EVALUATION OF FACTORS INFLUENCING ON CAUSES OF PROSTHETIC VALVE RE-OPERATION AND EARLY POSTOPERATIVE SURVIVAL TEHRAN EMAM HOSPITAL (1991-2001). TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), 61(1), 1-6. SID. https://sid.ir/paper/38605/en

Vancouver: Copy

KAZEMI KHALEDI A., RAHMANI R.. EVALUATION OF FACTORS INFLUENCING ON CAUSES OF PROSTHETIC VALVE RE-OPERATION AND EARLY POSTOPERATIVE SURVIVAL TEHRAN EMAM HOSPITAL (1991-2001). TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ)[Internet]. 2003;61(1):1-6. Available from: https://sid.ir/paper/38605/en

IEEE: Copy

A. KAZEMI KHALEDI, and R. RAHMANI, “EVALUATION OF FACTORS INFLUENCING ON CAUSES OF PROSTHETIC VALVE RE-OPERATION AND EARLY POSTOPERATIVE SURVIVAL TEHRAN EMAM HOSPITAL (1991-2001),” TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), vol. 61, no. 1, pp. 1–6, 2003, [Online]. Available: https://sid.ir/paper/38605/en

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