Journals / MN Kardiyoloji / 2003 / Cilt: 10 - Sayı: 2

Spect-myocardial perfusion scintigraphy in the assessment of post stenting coronary

Spect miyokard perfüzyon sintigrafisinin stent içi restenoz tanısındaki yeri

Pages
97–103
DOI
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Results: The overall sensitivity, specificity, positive and negative predictive values for exercise ECG and SPECT in detecting restenosis in individual vessels were, respectively, 39% versus 78% (p=0.03), 73% versus 97% (p=0.03), 47% versus 93% (p=0.02) and 65% versus 89% (p=0.05).

📌 3 Key Takeaways

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Objective & Hypothesis:Aim: The aims of this study were to evaluate the value of single-photon emission computed tomography (SPECT-MPS) in the detection of post-stenting restenosis, to compare it with exercise ECG and to assess the relation between clinical and angiographic parameters and reversible perfusion defect in the stented territory.
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Key Findings & Data:Material and Methods: Forty nine consecutive patients (mean age 56.4±10.0; 45 men, 4 women) prospectively underwent coronary angiography, exercise ECG and stress Tc-99m sestamibi SPECT-MPS imaging 6±1 months after stent placement.
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Conclusion & Impact:Results: The overall sensitivity, specificity, positive and negative predictive values for exercise ECG and SPECT in detecting restenosis in individual vessels were, respectively, 39% versus 78% (p=0.03), 73% versus 97% (p=0.03), 47% versus 93% (p=0.02) and 65% versus 89% (p=0.05).
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Elektrokardiyografi · Radyonüklid görüntüleme · Stentler

Abstract

Aim: The aims of this study were to evaluate the value of single-photon emission computed tomography (SPECT-MPS) in the detection of post-stenting restenosis, to compare it with exercise ECG and to assess the relation between clinical and angiographic parameters and reversible perfusion defect in the stented territory. Material and Methods: Forty nine consecutive patients (mean age 56.4±10.0; 45 men, 4 women) prospectively underwent coronary angiography, exercise ECG and stress Tc-99m sestamibi SPECT-MPS imaging 6±1 months after stent placement. Results: The overall sensitivity, specificity, positive and negative predictive values for exercise ECG and SPECT in detecting restenosis in individual vessels were, respectively, 39% versus 78% (p=0.03), 73% versus 97% (p=0.03), 47% versus 93% (p=0.02) and 65% versus 89% (p=0.05). The sensitivity of SPECT-MPS was found to be 78% in asymptomatic patients, 80% in patients with prior myocardial infarction, 88% and 70% in patients with single and multivessel disease, respectively. All patients with minimal luminal diameter less than 1.10mm in quantitative coronary angiography had reversible perfusion defects in SPECT-MPS. In logistic regression analysis, reversible perfusion defect in the stented territory was associated with in-stent restenosis. Conclusion: SPECT-MPS is accurate method for identifying in-stent restenosis, its sensitivity is particularly high in patients with low minimal luminal diameter and reversible perfusion defect in the stented territory was associated with in-stent restenosis.

Özet

Amaç: İntrakoroner stent uygulaması sonrası ardışık bir hasta grubunda restenoz tanısının konmasında SPECT-miyokard perfüzyon sintigrafisinin (SPECT-MPS) koroner anjiyografi ile uyumunu saptamak, bu yöntemi egzersiz elektrokardiyografisi ile karşılaştırmak ve SPECT-MPS'de saptanan iskemi ile klinik etkileyen parametreleri ortaya çıkarmaktır. Gereç ve Yöntem: İntrakoroner stent uygulanan ardışık 49 hastaya (yaş ortalaması 56.4±10.0, 45 erkek, 4 kadın) işlemden 6±1 ay sonra koroner anjiyografi, egzersiz elektrokardiyografi ve Tc-99m SPECT-MPS yapıldı. Bulgular: Stent içi restenoz saptanmasında SPECT-MPS'nin duyarlılığı, özgüllüğü, pozitif ve negatif kestirim değerleri egzersiz EKG'ye göre anlamlı olarak artmıştı [sırasıyla %78 ile %39 (p=0.03); %97 ile %%73 (p=0.03); %93 ile %47 (p=0.02); %89 ile %65 (p=0.05)]. SPECT-MPS'nin duyarlılığı asemptomatik hastalarda %78, infarktüs sonrası sorumlu lezyona stent uygulanmış hastalarda %80, tek damar hastalığı bulunanlarda %88 ve çok damar hastalarında %70 idi. SPECT-MPS minimal lümen çapı en dar olan hasta grubunun tümünde, egzersiz EKG ise %50'sinde iskemi saptandı (p=0.015). Lojistik regresyon analizinde SPECT-MPS'de stent bölgesinde saptanan iskemi stent içi restenoz ile ilişkili bulundu (p=0.0001). Sonuç: Stent içi restenozun belirlenmesinde SPECT-MPS'nin uygun bir yöntem olduğu, minimal lümen çapı en düşük gruptaki duyarlılığının çok yüksek olduğu ve SPECT-MPS ile stentli bölgede saptanan iskeminin stent içi restenoz ile ilişkili olduğu ortaya çıkmıştır.

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Cite This Article

BALTALI, M., SANSOY, V., YİĞİT, Z., GÜRMEN, T., GÜLBARAN, M., ÖZTÜRK, S., GÜZELSOY, D. (2003). Spect-myocardial perfusion scintigraphy in the assessment of post stenting coronary. MN Kardiyoloji, Cilt: 10 - Sayı: 2, 97–103. https://ajindex.com/articles/297810

References (9)

  1. Smith SC, Dove JT, Jacobs AK, et al. ACC/AHA Guidelines for percutaneous Coronary Intervention (Revision of 1993 PTCA Guidelines): A report of the American College of Cardiology/ American Heart Association Task Force on Practice Guidelines (Committee to Revise the 1993 Guidelines for Percutaneous Transluminal Coronary Angioplasty) JACC 2001; 8:2239i-lxvi. Waksman R, White RL, Chan RC, et al. Intracoronary gamma-radiation therapy after angioplasty inhibits recurrence in patients with in-stent restenosis. Circulation 2000; 101:2165-71.
  2. Garzon P, Eisenberg MJ. Functional testing for the detection of restenosis after percutaneous transluminal coronary angioplasty:A meta-analysis. Canadian J Cardiol 2001; 1:41-8.
  3. Beygui F, Le Feuvre C, Maunoury C, et al. Detection of coronary restenosis by exercise electrocardiography thallium-201 perfusion imaging and coronary angiography in asymptomatic patients after percutaneous transluminal coronary angioplasty. Am J Cardiol 2000; 86:35-40.
  4. Holmes DR Jr, Vliestra RE, Smith HC, et al. Restenosis after percutaneous transluminal coronary angioplasty (PTCA): A report from the PTCA registry of the national Heart, Lung, and Blood Institute. Am J Cardiol 1984; 53:77-81
  5. C. Serruys PW, Luijten HE, Beatt KJ, et al. Incidence of restenosis after successful coronary angioplasty: a time-related phenomenon. Circulation 1988; 77:361-71. Wackers FJ Th. The maze of myocardial perfusion imaging protocols in 1994. J Nucl Cardiol 1994; 1:180-8. Froehlicher VF. Exercise Testing Methodology: In Froehlic her VF. Exercise and the Heart 3rd edition. Mosby-Yearbook 1993:10-32.
  6. Miller DD, Verani MS. Current status of myocardial perfusion imaging after percutaneous transluminal coronary angioplasty. JACC 1994; 24:260-6.
  7. Pfisterer M, Rickenbacher P, Kiowski W. Silent ischemia after percutaneous transluminal coronary angioplasty: Incidence and prognostic significance. JACC 1993; 22:1446-54.
  8. Hecht HS, Shaw RS, Chin HL, Ryan C, Stertzer SH, Myler RK. Silent ischemia after coronary angioplasty: evaluation of restenosis and extent of ischemia in asymptomatic patients by tomographic thallium-201 exercise imaging and comparison with symptomatic patients. JACC 1991; 17:670-7.
  9. Petrakian AA, Ahmad SM, Badruddin ZX, et al. Value of myocardial perfusion tomography in the assessment of post stenting coronary restenosis. JACC 1997; 29A-248A. Milavetz JJ, Miller TD, Hodge DO, et al. Accuracy of single photon emission computed tomography myocardial perfusion i maging