Troponin levels in patients undergoing spinal surgery:prone versus supine position.

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This is a novel study to determine if patients lying in the prone position for spinal surgery develop evidence of mild cardiac bruising as evidenced by a serial serum Troponin rise and ECG abnormalities We suspect that, after prolonged positioning in the prone position, some patients develop evidence of mild cardiac bruising. If so, we intend to study factors that may be predictive of such cases. If confirmed, our study would indicate that all patients undergoing prone position spinal surgery should be consented for the possibility of developing cardiac bruising. If certain risk factors could be identified and if supine position surgery was also simultaneously indicated, then the risk of cardiac bruising would have to be evaluated in conjunction with other pros and cons of each approach, so that the individual could decide upon the best approach for their spinal surgery: i.e. anterior or posterior approach.

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