Cases reported "Hypertension, Pulmonary"

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1/94. A case of truncus arteriosus type II.

    A case of truncus arteriosus type II is reported. Truncus arterious is an uncommon congenital cardiac defect where a single great vessel exits the heart. truncus arteriosus is usually fatal, if untreated. This defect occurs when the conus arteriosus and the truncus divide erroneously in the embryo. Palliative surgery in truncus arteriosus has been unsuccessful. Pulmonary banding has been tried and was ineffective and usually fatal. We operated on a nine-month-old (6200 g) male infant with a type II (Edwards-Collett) defect and a large ventricular septal defect. The pulmonary artery average pressure was 51 mmHg. We performed a cardiopulmonary bypass in the usual manner. Pulmonary arteries were resected from the truncal root, and primary end-to-end anastomosis of the truncal root to the ascending aorta was performed. Right ventricle to pulmonary artery continuity was provided using a valveless Gore-Tex graft. We lost our patient due to intractable pulmonary hypertension on the first postoperative day.
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2/94. Inhaled nitric oxide therapy in pregnancy complicated by pulmonary hypertension.

    The use of nitric oxide as an agent to reduce pulmonary artery pressure in a pregnancy complicated by pulmonary hypertension is reported for the first time. This therapy can reduce pulmonary vascular resistance and therefore potentially enable the right ventricle to better compensate for the physiologic changes of pregnancy.
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3/94. Right ventricular myocardial bridge in a patient with pulmonary hypertension--a case report.

    Myocardial bridge is a not uncommon finding in routine diagnostic coronary angiography or pathological examination of the heart. It is almost always confined to the left ventricle and the left anterior descending coronary artery. This report describes a patient with chronic lung disease, severe left ventricular dysfunction, and pulmonary hypertension in whom coronary angiography revealed bridging of the right ventricular branch of the right coronary artery.
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4/94. A successful case of pulmonary thromboendarterectomy for chronic thromboembolic pulmonary hypertension with a thrombus in the right ventricle.

    Chronic thromboembolism is a frequent cause of progressive hypertension and carries a poor prognosis. Medical treatment is not effective and surgery provides the only potential for a cure at present. We herein report a successful case of thromboendarterectomy treated via a median sternotomy with intermittent circulatory arrest. A 43-year-old man was admitted to our hospital complaining of progressive dyspnea, edema of the lower extremities, and a fever with an unknown origin. A subsequent definitive evaluation showed him to be suffering from surgically accessible chronic thromboembolic pulmonary hypertension with a thrombus in the right ventricle. He underwent a pulmonary thromboendarterectomy and thrombectomy via a median sternotomy with intermittent circulatory arrest on November 24, 1994. Postoperatively he showed a marked improvement in his hemodynamic status and blood gas analysis. He has also returned to work with no trouble. Deep vein thrombosis appeared to be the pathogenesis of this case, but we could not find the origin of his unknown fever. He is currently being controlled by treatment with methylprednisolone as before.
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5/94. Post-Mustard procedure pulmonary venous obstruction: An opportunity for anatomic correction with a one-stage arterial switch.

    A 14-year-old boy after a Mustard procedure for transposition of the great arteries developed pulmonary hypertension secondary to baffle obstruction. This occurred over several years without apparent significant symptomatology. Systemic-level pressure prevailed in the left (pulmonary) ventricle and provided an opportunity to perform a successful one-stage arterial switch.
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6/94. Double outlet left ventricle with subpulmonary ventricular septal defect and pulmonary hypertension.

    A two-month old male infant with the rare occurrence of double outlet left ventricle, subpulmonary ventricular septal defect and pulmonary hypertension is presented. The infant was managed temporarily with banding of the pulmonary trunk, with a favorable result, and is scheduled for definitive intraventricular repair.
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7/94. Platypnea-orthodeoxia syndrome related to an aortic aneurysm combined with an aneurysm of the atrial septum.

    We report the case of a 71-year-old man bearing a severe right-to-left shunt through a patent foramen ovale in the absence of elevated right-sided heart or pulmonary artery pressures. He presented with platypnea-orthodeoxia syndrome, but he had no pulmonary or extracardiac diseases that are known to be associated with this syndrome. Chest radiography showed a bulky aneurysm of the thoracic aorta. A peripheral contrast transesophageal echocardiography demonstrated a large right-to-left shunt through a patent foramen ovale. In addition, the atrial septum was severely deformed by an aneurysm including this patent foramen ovale. We hypothesized that the opening of the foramen ovale was the result of a mechanical deformation of the atrial septum by two contributing factors: the aneurysm of the thoracic aorta and the aneurysm of the septum itself.
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ranking = 3.743733817608
keywords = foramen
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8/94. Use of aerosolized inhaled epoprostenol in the treatment of portopulmonary hypertension.

    BACKGROUND: Portopulmonary hypertension is a known complication in the liver transplant candidate. Intravenous epoprostenol has been demonstrated to decrease pulmonary artery pressures and possibly remodel right ventricle geometry. methods: In this report, we document the efficacy of inhaled aerosolized epoprostenol in a patient with portopulmonary hypertension. The effect was of rapid onset and offset. RESULTS: After 10 min of delivery, mean pulmonary artery pressure decreased 26%; cardiac output increased by 22%; pulmonary vascular resistance decreased by 42%; and the transpulmonary gradient decreased by 29%. There were no untoward side effects. CONCLUSION: The inhaled route of delivery of epoprostenol is potential alternative for the acute therapy of portpulmonary hypertension.
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9/94. Congenital alveolar capillary dysplasia with misalignment of pulmonary veins associated with hypoplastic left heart syndrome.

    Three full-term infants died in the first month of life with hypoplastic left heart syndrome (HLH) and persistent pulmonary hypertension (PPH). At postmortem examination, they were found to have alveolar capillary dysplasia with misalignment of pulmonary veins (ACD with MPV). The association of HLH syndrome, and ACD with MPV with intestinal malrotation and/or obstruction, is unique. Decreased blood flow in the ascending aorta in fetuses with left outflow tract obstruction might cause vasoconstriction of pulmonary arterioles to maintain cerebral perfusion. vasoconstriction early during embryogenesis might lead to decreased growth and development of alveolar capillaries and pulmonary veins. This results in pulmonary hypertension, and the arterial blood is forced to bypass the deficient capillary bed and can drain only via the anomalous bronchial veins.
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ranking = 0.014917933592858
keywords = cerebral
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10/94. Iatrogenic paradoxical air embolism in pulmonary hypertension.

    Paradoxical systemic air embolism (PAE) occurring as a complication of right-to-left intracardiac shunting during evaluation and treatment of pulmonary hypertension (PH) has not been previously reported. We report four cases of PH-associated PAE recently encountered at our center. Two patients with PH experienced transient neurologic deficits during agitated-saline contrast echocardiography (ASCE), and a patent foramen ovale was subsequently diagnosed in both patients. Two patients with Eisenmenger's syndrome (ES), while receiving epoprostenol via multilumen catheters, experienced transient neurologic deficits while flushing the unused port of the catheter. No patient experienced permanent neurologic deficits. We conclude that ASCE poses a risk for PAE in patients with PH and clinically silent, previously undetected, right-to-left intracardiac shunts, and that multilumen catheters used for long-term epoprostenol therapy in ES carry a risk of PAE.
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ranking = 0.935933454402
keywords = foramen
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