Preoperative and postoperative cardiac and clinical findings of patients with adenotonsillar hypertrophy

Görür, Kemal; Döven, Oben; Ünal, Murat; Akkuş, Necdet; Özcan, Cengiz

doi:10.1016/s0165-5876(01)00449-9

Cited by 85 publications

(55 citation statements)

References 18 publications

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“…This enlargement of the RV has also been observed in other studies, [13][14][15][16][17] although not with adjustment for the weight and height of each child.…”

Section: Discussionsupporting

confidence: 82%

“…A reduction was observed in right ventricle contraction in children with UA obstructions by ventriculography, with improvements in some after adenotonsillectomy. 13 Other studies have observed reduced left ventricle filling on echocardiogram, even reaching a collapsed state during apnea, 14 and also increased RV area, 15 with normalization after treatment of obstructive respiratory events, or CPAP (continuous positive air pressure) 14 or surgery. 15 Adenotonsillectomy also resulted in improved pulmonary flow parameters and RV area in children with pulmonary hypertension, related to the VAS obstruction.…”

Section: Introductionmentioning

confidence: 99%

“…13 Other studies have observed reduced left ventricle filling on echocardiogram, even reaching a collapsed state during apnea, 14 and also increased RV area, 15 with normalization after treatment of obstructive respiratory events, or CPAP (continuous positive air pressure) 14 or surgery. 15 Adenotonsillectomy also resulted in improved pulmonary flow parameters and RV area in children with pulmonary hypertension, related to the VAS obstruction. 16 The severity of obstructive respiratory events during sleep, expressed by the more elevated rates of apnea and hypopnea, suggest that they are directly correlated with LV abnormalities.…”

Section: Introductionmentioning

confidence: 99%

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Alterações ecocardiográficas em crianças com distúrbios respiratórios obstrutivos no sono

Weber¹,

Montovani²,

Matsubara³

et al. 2007

J. Pediatr. (Rio J.)

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Objectives: To assess cardiac morphology and function by means of echocardiograms of children with obstructed breathing while asleep. Methods:The study enrolled 40 children of both sexes, aged from 3 to 11 years; 30 of them had obstructed breathing during sleep (group I) and 10 children were healthy controls (group II). The two groups were similar in terms of sex, age, weight and height. The 40 children underwent echocardiogram, viewing all four chambers during systole and diastole, paying special attention to the right ventricle (RV). These data were compared by means of Student's t test (p < 0.05). Results:In group I, increased diameter and area of the right ventricle were observed during both systole and diastole. There was less variation in RV area between systole and diastole. Reduced left ventricle (LV) diastolic diameter was also observed, together with reduced ejection fraction and reduced contraction. Conclusions:The morphological and functional cardiac abnormalities observed in the RV and LV suggest that, in children, obstructed breathing during sleep can lead to cardiovascular repercussions. These abnormalities may expose these children to increased anesthetic and surgical risks.J Pediatr (Rio J). 2007;83(6):518-522: Obstructive sleep apnea, child, echocardiography.

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“…This enlargement of the RV has also been observed in other studies, [13][14][15][16][17] although not with adjustment for the weight and height of each child.…”

Section: Discussionsupporting

confidence: 82%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Alterações ecocardiográficas em crianças com distúrbios respiratórios obstrutivos no sono

Weber¹,

Montovani²,

Matsubara³

et al. 2007

J. Pediatr. (Rio J.)

View full text Add to dashboard Cite

show abstract

“…O aumento de VD tem sido observado em outros estudos [13][14][15][16][17] , embora não ajustado para peso e altura de cada criança.…”

Section: Segundo Steiner and Straunerunclassified

“…Assim, foi observada a diminuição da contração do ventrículo direito (VD) em crianças com obstrução da VAS por ventriculografia, com melhora em algumas após adenotonsilectomia 13 . Outros estudos observaram ao ecocardiograma um menor enchimento de ventrículo esquerdo (VE), chegando até seu colabamento durante a apnéia 14 e aumento da área de VD 15 , com normalização após tratamento dos eventos respiratórios obstrutivos, seja por pressão positiva contínua nas vias aéreas (CPAP) 14 ou por cirurgia 15 . A cirurgia de adenotonsilectomia também resultou em melhora dos parâmetros de fluxo pulmonar e de área de VD em crianças com hipertensão pulmonar, relacionada à obstrução das VAS 16 .…”

Section: Introductionunclassified

Echocardiographic abnormalities in children with obstructive breathing disorders during sleep

Weber¹,

Montovani²,

Matsubara³

et al. 2007

J Pediatr (Rio J)

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ResumoObjetivos: Avaliar a morfologia e função cardíaca através do ecocardiograma em crianças com obstrução respiratória no sono. Métodos:Foram estudadas 40 crianças de ambos os sexos, com idade entre 3 e 11 anos, sendo que 30 apresentavam obstrução respiratória no sono (grupo I) e 10 crianças eram controles saudáveis (grupo II). Os dois grupos eram semelhantes quanto a gênero, idade, peso e altura. As 40 crianças realizaram ecocardiograma, visando às quatro câmaras em sístole e diástole, com atenção especial ao ventrículo direito. Os dados obtidos foram comparados através do teste t de Student (p < 0,05).Resultados: Observou-se, no grupo I, aumento do diâmetro e da área do ventrículo direito em sístole e diástole. A variação entre sístole e diástole da área do ventrículo direito era menor. Em ventrículo esquerdo, foi observada diminuição do diâmetro diastólico, uma menor fração de ejeção e um encurtamento menor. Conclusões:As alterações morfológicas e funcionais cardíacas encontradas em ventrículo direito e ventrículo esquerdo sugerem que obstrução respiratória no sono em crianças pode levar a repercussões cardiovasculares. Estas alterações podem expor as crianças a um maior risco anestésico e cirúrgico.J Pediatr (Rio J). 2007;83(6):518-522: Apnéia do sono obstrutiva, criança, ecocardiografia. AbstractObjectives: To assess cardiac morphology and function by means of echocardiograms of children with obstructed breathing while asleep. Methods:The study enrolled 40 children of both sexes, aged from 3 to 11 years; 30 of them had obstructed breathing during sleep (group I) and 10 children were healthy controls (group II). The two groups were similar in terms of sex, age, weight and height. The 40 children underwent echocardiogram, viewing all four chambers during systole and diastole, paying special attention to the right ventricle (RV). These data were compared by means of Student's t test (p < 0.05). Results:In group I, increased diameter and area of the right ventricle were observed during both systole and diastole. There was less variation in RV area between systole and diastole. Reduced left ventricle (LV) diastolic diameter was also observed, together with reduced ejection fraction and reduced contraction. Conclusions:The morphological and functional cardiac abnormalities observed in the RV and LV suggest that, in children, obstructed breathing during sleep can lead to cardiovascular repercussions. These abnormalities may expose these children to increased anesthetic and surgical risks.J Pediatr (Rio J). 2007;83(6):518-522: Obstructive sleep apnea, child, echocardiography. IntroduçãoO quadro clínico de obstrução das vias aéreas superiores (VAS) no sono varia de intensidade, desde roncos noturnos à síndrome da apnéia hipopnéia obstrutiva do sono (SAHOS) 1 .A SAHOS é caracterizada por episódios repetidos de obstrução das VAS, associados à hipóxia e hipercapnia intermitente 1,2 . Sua prevalência nas crianças varia de 0,7 a 3% nos diferentes estudos epidemiológicos [3][4][5] . O seu pico de incidên-cia é observado...

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Utility of Preoperative Cardiac Evaluation in Pediatric Patients Undergoing Surgery for Obstructive Sleep Apnea

Revenaugh¹

2011

Arch Otolaryngol Head Neck Surg

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Preoperative and postoperative cardiac and clinical findings of patients with adenotonsillar hypertrophy

Cited by 85 publications

References 18 publications

Alterações ecocardiográficas em crianças com distúrbios respiratórios obstrutivos no sono

Alterações ecocardiográficas em crianças com distúrbios respiratórios obstrutivos no sono

Echocardiographic abnormalities in children with obstructive breathing disorders during sleep

Utility of Preoperative Cardiac Evaluation in Pediatric Patients Undergoing Surgery for Obstructive Sleep Apnea

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