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BREATH HOLDING INDEX IN EVALUATION OF PATIENTS WITH SEVERE SYMPTOMATIC OCCLUSIVE CAROTID ARTERY DISEASE (CROSBI ID 739695)

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Zavoreo, Iris ; Kesić, Miljenka ; Budišić, Mislav ; Lovrenčić-Huzjan, Arijana ; Demarin, Vida BREATH HOLDING INDEX IN EVALUATION OF PATIENTS WITH SEVERE SYMPTOMATIC OCCLUSIVE CAROTID ARTERY DISEASE // Cerebrovascular diseases. 2004. str. 24-x

Podaci o odgovornosti

Zavoreo, Iris ; Kesić, Miljenka ; Budišić, Mislav ; Lovrenčić-Huzjan, Arijana ; Demarin, Vida

engleski

BREATH HOLDING INDEX IN EVALUATION OF PATIENTS WITH SEVERE SYMPTOMATIC OCCLUSIVE CAROTID ARTERY DISEASE

Introduction: Cerebrovascular reactivity in severe carotid artery disease depends on the functional capacity of collateral pathways. The aim of the study was to apply Breath holding index (BHI) method in evaluation of cerebrovascular reactivity in patients with severe carotid stenosis. Patients and methods: Using transcranial Doppler ultrasonography, the cerebrovascular reactivity to hypercapnia in the middle cerebral artery was evaluated by calculating BHI of 120 (mean age 71&plusmn ; ; ; 10) symptomatic patients (73 men ; mean age 66&plusmn ; ; ; 12 and 57 women ; mean age 74&plusmn ; ; ; 10) with different collateral pathways. Results: There were 20% patients who suffered TIA (10% men and 10% women), 38% of patients with first stroke event (15% men and 23% women) and 21% of patients with reccurent stroke (15% men and 6% women). Anteriorcollateral pathway (ACoA) was present in 16% of patients, Posterior collateral pathway (PCoA) and inversed flow in ophthalmic artery (OA) in 12% of patients, ACoA/PCoA in 30% of patients, ACoA/OA in 21% of patients, ACoA/ PCoA/OA in 12% of patients and cortical collaterals had 9% of patients. All mean BHI values were under 0, 7 and statistically significant difference (p<0, 05) was found depending on activation of different collateral pathways. ACoA BHI=0.52&plusmn ; ; ; 0.16, PCoA/OA BHI=0.33&plusmn ; ; ; 0.11, ACoA/PcoA BHI=0.41&plusmn ; ; ; 0.12, ACoA/OA BHI=0.35&plusmn ; ; ; 0.10, ACoA/PCoA/OA BHI=0.27&plusmn ; ; ; 0.1 and cortical collateralsBHI=0.13&plusmn ; ; ; 0.11. Conclusion: Transcranial Doppler is a realible noninvasive tool in evaluation of patients with severe symptomatic carotid occlusive disease. TCD can detect different number and type of collateral pathways which influence on the BHI values and patient prognosis.

breath holding index; carotid stenosis; TCD

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Podaci o prilogu

24-x.

2004.

nije evidentirano

objavljeno

Podaci o matičnoj publikaciji

Cerebrovascular diseases

1015-9770

Podaci o skupu

Nepoznat skup

ostalo

29.02.1904-29.02.2096

Povezanost rada

Kliničke medicinske znanosti

Indeksiranost