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At least 1,063 records · Page 59Linked to original sources
PubMed2006

Electrocardiogram interpretation and class I blocker challenge in Brugada syndrome.

Brugada syndrome is characterized by the presence of an electrocardiographic pattern of ST-segment elevation in leads V1 to V3 and a history of sudden cardiac death in the absence of structural heart disease [Brugada P, Brugada J. Right bundle branch block, persistent ST segment elevation and sudden cardiac death: a distinct clinical and electrocardiographic syndrome. A multicenter report. J Am Coll Cardiol 1992;20(6):1391]. The disease usually affects individuals in their 40s, at the prime of their life, and the appearance of cardiac arrest in these otherwise healthy individuals brings an important burden to families and to health care. Brugada syndrome is in several instances a familial disease, caused by mutations in SCN5A in up to 25% of the individuals [Chen Q, Kirsch GE, Zhang D, Brugada R, Brugada J, Brugada P, et al. Genetic basis and molecular mechanism for idiopathic ventricular fibrillation. Nature 1998;392(6673):293]. The identification of the electrocardiographic pattern in an individual will therefore trigger an important cascade of events in the families. Several family members, including children, will be under the scrutiny of a cardiologist to decide on preventive measures, especially if there is a history of sudden death in the family. The presence of abnormal repolarization patterns, which in otherwise sporadic individuals might be classified under normal variations, have become a diagnostic challenge for clinicians facing a family with the disease [Hong K, Brugada J, Oliva A, Berruezo-Sanchez A, Potenza D, Pollevick GD, et al. Value of electrocardiographic parameters and ajmaline test in the diagnosis of Brugada syndrome caused by SCN5A mutations. Circulation 2004;110(19):3023].

Bundle-Branch Block↗
PubMed2004

Urologic issues during pregnancy.

Pregnancy induces a variety of physiologic changes in the urinary tract. When such changes become accentuated the physiologic becomes the pathologic and symptoms arise, at times of significance enough to threaten the well being of mother and/or fetus. This article intends to describe the basis for urinary physiology and its pathologic counterparts during pregnancy. Such a background may then facilitate a rational management protocol for various urologic problems in the gravid state.

Clinical Trials as Topic↗
PubMed2006

What is new about idiopathic intracranial hypertension? An updated review of mechanism and treatment.

Idiopathic intracranial hypertension (IIH) is the syndrome of raised intracranial pressure without clinical, laboratory or radiological evidence of intracranial pathology. IIH is a relatively rare disease but rapidly increasing incidence is reported due to a global increasing incidence of obesity. Disease course is generally said to be self-limiting within a few months. However, some patients experience a disabling condition of chronic severe headache and visual disturbances for years that limit their capacity to work. Permanent visual defects are serious and not infrequent complications. The pathophysiology of IIH is still not fully understood. Advances in neuroimaging techniques have facilitated the exclusion of associated conditions that may mimic IIH. No causal treatment is yet known for IIH and existing treatment is symptomatic and rarely sufficient. The aim of this review is to provide an updated overview of this potentially disabling disease which may show a future escalating incidence due to obesity. Theories of pathogenesis, diagnostic criteria and treatment strategies are discussed.

Clinical Trials as Topic↗
PubMed2006

Treatment options, prognostic factors and selection of treatment in stage I seminoma.

Treatment options in patients with stage I seminoma include radiotherapy (RT), surveillance, and adjuvant chemotherapy. This patient population has virtually a 100% cure rate whichever approach is taken. While adjuvant retroperitoneal RT has been the standard of care for the past 50-60 years, there is increasingly persuasive data that adjuvant RT in this setting is associated with a small but definite increased risk of second malignancy and cardiovascular death. The long-term data from surveillance series have documented the safety of this approach, and it is now accepted that a policy of surveillance is the optimal management approach. This gives a relapse rate of 15%, and most patients can be successfully salvaged with RT. Second relapse after salvage RT occurs in a small proportion of cases, and these patients are cured with chemotherapy. Adjuvant chemotherapy using carboplatin has been investigated as an alternative strategy but has not lived up to its initial promise. If used, then 2 courses of treatment should probably be given. It must be remembered that 80-85% of patients with testicular seminoma require no treatment after orchiectomy, and the long-term side effects of any adjuvant treatment approach must be carefully considered.

Chemotherapy, Adjuvant↗
PubMed2005

Rheotherapy for vascular disorders.

Patients with vascular disorders are seldom offered apheresis in he management of their symptoms. In this article we review the different apheretical techniques used in these situations.

Animals↗
PubMed2004

Therapy for neurocysticercosis.

Therapy for neurocysticercosis has advanced during the last 20 years with the advent of albendazole (Zentel) and praziquantel (Cysticide). Albendazole is the current medication of choice for the treatment of neurocysticercosis and is recommended for symptomatic patients with multiple viable cysts in the brain parenchyma. Albendazole may also be useful in extraparenchymal cysticercosis, especially in the subarachnoid racemose form, when complete surgical resection of the cysts is usually impracticable. Currently, there is an intense debate over the value and safety of anticysticercal therapy. Causes for failure of anticysticercal therapy include high inter-individual variability in plasma concentration of albendazole sulfoxide and the complex interactions of several drugs with the albendazole metabolite. Furthermore, albendazole sulfoxide is an enantiomeric mixture of (+)- and (-)-albendazole sulfoxide with accumulation of the (+)-enantiomer in the cerebrospinal fluid. However, the question over which enantiomer is effective against cysticerci remains to be clarified.

Albendazole↗
PubMed2001

Optimal dosing with risperidone: updated recommendations.

BACKGROUND: Drug dosages utilized during controlled clinical trials are not always optimal for patients encountered in day-to-day practice. The original trials of risperidone, a novel antipsychotic, suggested that an initial target dose of 6 mg/day was appropriate, but these trials were necessarily conducted among patients who were chronically impaired, hospitalized, and often partly drug resistant. DATA SOURCES: Relevant data relating to the dosage of risperidone identified through an online (MEDLINE) search using the keywords risperidone, schizophrenia, schizoaffective disorder dementia, bipolar disorder, and dose were supplemented by a review of international and U.S. Congress abstracts in which the dose of risperidone was specifically described. CONCLUSION: On the basis of naturalistic studies, clinical audit, phase 4 trials, positron emission tomography data, and 5 years of clinical experience, the currently recommended target dose of risperidone is 4 mg/day for most patients, with less-rapid titration than previously recommended. Moreover, a lower dose than this and slower titration may be appropriate for elderly patients, young patients, and first-episode patients.

Adolescent↗
PubMed2001

[CDT a valuable marker of overconsumption of alcohol. Guidelines for its use in connection with automobile driver examination].

According to the medical regulations for obtaining a driver's license in Sweden, alcohol abuse/dependency constitutes sufficient grounds for denial. In the case of a conviction for gross drunk driving, it is incumbent upon the offender to present a medical certificate verifying a "sober lifestyle". Biological markers are important tools for proving alcohol abuse in each of these contexts. In this connection, CDT analyses play a key role through their high marked specificity for increased alcohol consumption. The authors have agreed upon the guidelines as presented in this paper for determining sobriety as it pertains to possession of a driver's license. Special emphasis is placed on how CDT tests should be used and interpreted in such contexts, as well as their value as evidence in the case of increased CDT levels.

Alcohol Drinking↗