Abstract
Whilst the potential risk to underlying vital structures from redo-sternotomy is well recognized, the actual risk is poorly quantified. Our aim was to determine the incidence of complications directly attributable to redo-sternotomy and to ascertain whether the use of femoro-femoral CPB (FF) prior to redo-sternotomy alters operative morbidity and mortality. Case notes of 185 patients undergoing cardiac surgery necessitating redo-sternotomy between May 1998 and November 2002 were reviewed. Of 121 males and 64 females, the median age was 65.5 years (range 60.1–75 years). Elective FF was performed in 71 (38.3%) of cases and 114 (60%) were performed without the aid of prior femoro-femoral CPB (WFF). Three (1.6%) patients initially planned for WFF were converted to emergency FF due to serious complications. Complications directly attributable to redo-sternotomy occurred in 21 (11.3%) cases; 12 (16.9%) in the FF group and 9 (5.3%) in the WFF group. Overall mortality was 1.6%. In summary, our results suggest that morbidity risk for the operation increases significantly with redo-sternotomy alone. Three deaths in our series from direct complications attributable to redo-sternotomy signify an added risk. Hence the necessity for careful surgical technique and judicious use of elective FF-CPB is emphasized.
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