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J Pak Med Assoc. 2012 Apr;62(4):351-4.

Prognostic value of normal exercise Tc-99m Sestamibi myocardial perfusion imaging in Karachi, Pakistan.

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1
Atomic Energy Medical Centre (AEMC), Jinnah Post Graduate Medical Centre (JPMC), Karachi.

Abstract

OBJECTIVE:

To ascertain the hard event rate in local population with normal myocardial perfusion.

METHODS:

The study, which was conducted from August 2006 to January 2007, included 300 patients with normal exercise myocardial perfusion scan (MPS). Patients were categorized according to their pre-test probabilities for CAD. Patients with low pre-test probability for CAD were 136 and ranked in group A, while group B constituted 164 patients who had intermediate to high pre-test probability.

RESULTS:

During a follow-up of mean duration of 27 +/- 3 months, an overall hard cardiac event rate of 1.02% was noted. However, a statistically non-significant difference between the survival rates of low and high pre-test probability groups was also observed.

CONCLUSION:

The study demonstrated good prognosis for patients with normal exercise myocardial perfusion scan.

PMID:
22755279
[Indexed for MEDLINE]
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