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RISS 인기검색어
- 검색키워드
- 저자 : Parvin Akbari Asbagh (검색결과 2 건)
- 무료
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Pulsatility Index in Different Modifications of Fontan Palliation: An Echocardiographic Assessment
Reza Shabanian,Parvin Akbari Asbagh,Abdullah Sedaghat,Minoo Dadkhah,Zahra Esmaeeli,Aliyeh Nikdoost,Manizheh Ahani,Mitra Rahimzadeh,Alireza Dehestani,Mohammad Ali Navabi 한국심초음파학회 2022 Journal of Cardiovascular Imaging (J Cardiovasc Im Vol.30 No.2
BACKGROUND: Adding pulsation to the Fontan circulation might change the fate of patients palliated by this procedure. Our aim was to compare the pulsatility index (PI) of the pulmonary artery (PA) between the various modifications of Fontan palliation. METHODS: Doppler-derived PI was measured in PA branches of a cohort of 28 patients palliated by 6 modifications of Fontan procedure. A group of normal individuals was included for comparison. RESULTS: Atriopulmonary connection (APC) group had the highest PA branches PI and statistically was close to the PI of the normal individuals (right pulmonary artery [RPA] PI of 1.58 vs. 1.63; p = 0.99 and left pulmonary artery [LPA] PI of 1.54 vs. 1.68; p = 0.46, respectively). The lowest PA branches PI was seen in the group of extracardiac total cavopulmonary connection (RPA PI of 0.62 and LPA PI of 0.65). Other 4 modifications including the extracardiac conduit with oversewn pulmonary valve, extracardiac conduit with preserved adjusted antegrade flow, extracardiac conduit from inferior vena cava onto the rudimentary right ventricle and lateral tunnel had a mean “RPA and LPA” PI of “1.19 and 1.17”, “1.16 and 1.11”, “1.13 and 1.11”, “0.82 and 0.84”, respectively. The modified Dunnett's post hoc test has shown a significant statistical decline in PI of all modifications compared to the normal individuals except for the APC group. CONCLUSIONS: Fontan palliated patients in different groups of surgical modification showed a spectrum of Doppler-derived PI with the highest amounts belong to the groups of pulsatile Fontan.
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Echocardiographic Assessment of Pulmonary Arteries Pulsatility Index in Fontan Circulation
Reza Shabanian,Mohammad Reza Mirzaaghayan,Minoo Dadkhah,Mehdi Hosseini,Mitra Rahimzadeh,Parvin Akbari Asbagh,Mohammad Ali Navabi 한국심초음파학회 2015 Journal of Cardiovascular Imaging (J Cardiovasc Im Vol.23 No.4
Background: Late complications after Fontan procedure may be due to the absence of pump and pulsatile pulmonary blood flowin this type of palliation. Our aim was to quantify the degree of pulsation by echocardiographic method in patients with extracardiactotal cavopulmonary connection (ECTCPC) in comparison with biventricular circulation and few cases of pulsatile Fontan. Methods: In a case series study, pulsatility index (PI) derived by echocardiographic method were compared between 20 patientswith ECTCPC, 6 patients with pulsatile Fontan and 18 normal individual aged 4 to 20 years old. All patients were in New YorkHeart Association class of I and there was no report of complication. Results: In patients with ECTCPC pulmonary artery branches Doppler flow study showed lower peak and mean velocitiescompared to the pulsatile Fontan and normal groups. ECTCPC patients had PI of 0.59 ± 0.14 and 0.59 ± 0.09 for right and leftpulmonary arteries (RPA and LPA) respectively. PI was higher in patients with preserved antegrade flow (RPA PI = 0.94 ± 0.26,LPA PI = 0.98 ± 0.27) and in normal individuals (RPA PI = 1.59 ± 0.12, LPA PI = 1.64 ± 0.17) for both branches (p = 0.000). Conclusion: Using a Doppler derived index for pulsatility, patients with ECTCPC had the least pulsation. The pulmonary arteryflow pattern in patients with preserved antegrade flow showed higher pulsatility indices in both branches. Normal individualshad the greatest pulsatility index.
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