[Perioperative nitric oxide inhalation therapy for open heart surgery patients with pulmonary hypertension].
Zhongguo Wei Zhong Bing Ji Jiu Yi Xue
; 19(9): 546-8, 2007 Sep.
Article
em Zh
| MEDLINE
| ID: mdl-17767825
ABSTRACT
OBJECTIVE:
To investigate effectiveness and safety of perioperative nitric oxide (NO) inhalation therapy for open heart surgery patients with pulmonary hypertension.METHODS:
Servo 300A and Pulmonox Aeronox were used for NO delivery and monitoring. NO was used perioperatively in 27 adult and 1 pediatric open heart surgery patients with pulmonary hypertension which were not effectively relieved by conventional treatment. At the beginning of NO inhalation therapy, the dose of NO was (5-10) x 10(-6), and mildly elevated to 20 x 10(-6). Pulmonary arterial pressure (PAP), arterial pressure (AP), pulmonary vascular resistance (PVR) and oxygenation index (PaO(2)/FiO(2)) of patients were monitored before and after treatment. Criterion for NO responsiveness was AP/PAP or PaO(2)/FiO(2) improved more than 20% within 1 hour. NO inhalation therapy was discontinued if there was no response within 1.5 hours.RESULTS:
Responsive rate in these adult patients was 77.8% (21/27 cases). Duration of NO therapy was 12-96 (32.6+/-10.3) hours. One 4-year-old atrial septal defect child with medium severity of pulmonary artery hypertension showed deterioration of pulmonary hypertension with serious hypoxemia [PaO(2)/FiO(2)=40 mm Hg (1 mm Hg=0.133 kPa), fractional concentration of inspired oxygen (FiO(2)) was 1.00] post operatively. NO inhalation therapy showed a very marked response and effect. The child was weaned from mechanical ventilation in four days. No adverse event was detected in patients and caregivers during and after NO inhalation therapy.CONCLUSION:
NO inhalation therapy is effective in cardiac surgery patients with deteriorating pulmonary artery hypertension perioperatively. Further clinical investigation is urgently needed for promoting it to become a clinical routinely available therapy.
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Base de dados:
MEDLINE
Assunto principal:
Procedimentos Cirúrgicos Cardíacos
/
Hipertensão Pulmonar
/
Óxido Nítrico
Tipo de estudo:
Etiology_studies
/
Observational_studies
/
Risk_factors_studies
Limite:
Adolescent
/
Adult
/
Child, preschool
/
Female
/
Humans
/
Male
/
Middle aged
Idioma:
Zh
Ano de publicação:
2007
Tipo de documento:
Article