Use of laryngoscope and esophageal stethoscope to visually direct intraoperative insertion of pediatric transesophageal echocardiographic probe in infants and small children.
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Biomedical subjects
Publications and source records attributed to E B Scott.
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A 29-yr-old writer presented with seizures and left hemiparesis 8 days post-partum. Studies revealed right parietal hemorrhagic infarction secondary to superior sagittal sinus thrombosis. An anticoagulant was given for clot extension associated with increasing cerebral edema and coma. Inpatient rehabilitation was undertaken for residual left hemiparesis, most severe in the leg. Left arm strength rapidly returned to normal. Significant improvement in left leg strength occurred but was delayed for many months. Intracerebral thrombosis is an uncommon but significant cause of stroke in young adults. It frequently occurs in the puerperium and may be associated with unilateral or bilateral neurologic deficits. Treatment with anticoagulants is controversial because of the risk of hemorrhagic cerebral infarction, but may be beneficial in some cases. Recovery may be delayed for several months pending recanalization of the sinus or the development of collateral circulation. The overall prognosis for neurologic and functional recovery in survivors of intracerebral thrombosis is good.
Fibrocystic breast disease is characterized by breast pain, lumpiness or cysts. The few patients who have atypia on breast biopsy are at substantially increased risk for the development of breast cancer. Management of fibrocystic breast disease involves monitoring for breast cancer by repeated physical and mammographic examinations. Alleviation of symptoms may be attempted by reassurance, reduction of methylxanthine intake and treatment with danazol.
In a follow-up study of 1289 alcoholics 6-9 years after treatment, 52 had died by violent means. Suicide and homicide were the leading causes of violent death, with deaths in fires and pedestrian accidents also occurring with some frequency.
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Outpatient transesophageal echocardiography (TEE) was performed in 10 children and adolescents (aged 3 to 19.5 years, mean 13.5 years; weight 12 to 91 kg, mean 49 kg), including two with Down's syndrome and one with autism, for diagnostic evaluation of issues unresolved by transthoracic echo examination (TTE). Issues for TEE: evaluation for atrial septal defect (two patients); anatomy of left ventricular outflow tract obstruction (one patient); aortic valve anatomy before valvuloplasty for insufficiency (one patient); evaluation for cause of cyanosis after Fontan operation (one patient); determination of source of high-velocity intracardiac turbulence after atrioventricular septal defect repair (one patient); rule out cardiac embolic source in patient with stroke (one patient); evaluate prosthetic valve function and rule out thrombus (one patient); determination of anatomic relationship of mitral valve to a ventricular septal defect before surgery for complex cyanotic heart disease (one patient); and evaluation for aortic dissection in Marfan's syndrome (one patient). Intravenous propofol anesthesia administered without endotracheal intubation by an anesthesiologist allowed successful outpatient TEE in nine patients; midazolam-conscious sedation was used in one. Outpatient TEE resolved diagnostic issues in all patients without complication, thereby avoiding cardiac catheterization in six patients and supplementing catheterization for preoperative planning in four patients. TEE can be performed safely and effectively with propofol anesthesia in the outpatient setting in carefully selected children and adolescents to provide vital diagnostic information. However, given the invasive nature of the procedure and the use of anesthesia, outpatient pediatric TEE should be used judiciously.
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