RESUMO
BACKGROUND: The TTK Chitra heart valve has been developed and widely used in India. This study aimed to evaluate its hemodynamics, complications, and event-free survival in comparison with other commonly used prosthetic valves. The role of color Doppler echocardiography in the follow-up of patients with prosthetic valves was also studied. PATIENTS AND METHODS: Two hundred patients underwent 249 valve replacements (122 mitral, 29 aortic, 49 both). Total follow-up was 451 patient-years. RESULTS: There were 18 late deaths (3.98% ± 0.92% per patient-year). One mitral valve replacement patient (0.36% ± 0.36% per patient-year) developed valve thrombosis. Two aortic valve replacement patients (2.74% ± 1.91% per patient-year), 2 double-valve replacement patients (1.95% ± 1.36% per patient-year) and 3 mitral valve replacement patients (1.08% ± 0.62% per patient-year) developed embolic complications. Freedom from all valve related mortality and morbidity at 4 years was 86% ± 4% for mitral valve replacement, 56% ± 10% for double-valve replacement, and 89% ± 6% for aortic valve replacement. The average peak gradient, mean gradient, and average peak velocity for the aortic and mitral positions were found to be comparable to those of other commonly used valves. CONCLUSION: The performance of this valve in terms of hemodynamic complications, mortality, and morbidity is comparable to other valves in common use. Hemodynamic gradients are more reproducible than effective orifice area, hence more beneficial for follow-up.
Assuntos
Valva Aórtica/cirurgia , Implante de Prótese de Valva Cardíaca/instrumentação , Próteses Valvulares Cardíacas , Hemodinâmica , Valva Mitral/cirurgia , Complicações Pós-Operatórias/etiologia , Adolescente , Adulto , Valva Aórtica/diagnóstico por imagem , Valva Aórtica/fisiopatologia , Criança , Remoção de Dispositivo , Intervalo Livre de Doença , Ecocardiografia Doppler em Cores , Feminino , Implante de Prótese de Valva Cardíaca/efeitos adversos , Implante de Prótese de Valva Cardíaca/mortalidade , Humanos , Índia , Masculino , Pessoa de Meia-Idade , Valva Mitral/diagnóstico por imagem , Valva Mitral/fisiopatologia , Complicações Pós-Operatórias/diagnóstico por imagem , Complicações Pós-Operatórias/mortalidade , Complicações Pós-Operatórias/fisiopatologia , Estudos Prospectivos , Desenho de Prótese , Falha de Prótese , Reoperação , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento , Adulto JovemRESUMO
Haemangiomas account for approximately 1% of all bone tumours and commonly involve the skull and the vertebrae Dorfman et al. (Human Pathol 2:349-376, 1971). Rare costal originated haemangiomas have been reported as a case report in literature Clements et al. (Am Surgeon 64:1027-1029, 1998), Filosso et al. (J Cardiovasc Surg 36:97-98, 1995). We report a case of 26 years old female presenting with haemangioma of the eighth rib (right). And conclude that haemangiomas should be included in the differential diagnoses of an osteolytic and expansile lesion of the ribs on radiology, especially in asymptomatic or mildly symptomatic patients.
