Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0019693 (HIV)
 170,526 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

We report the long-term outcome of percutaneous coronary interventions (PCI) in 12 HIV-infected patients. Two patients died from a HIV-related infection and seven patients suffered from severe clinical and/or angiographic restenosis requiring additional interventions or causing severe angina pectoris. Only three patients remained symptom free. We conclude that HIV-infected patients should be considered as high risk group and treated routinely with drug-eluting stents.
Catheter Cardiovasc Interv 2006 Dec
PMID:Outcome of percutaneous coronary intervention in HIV-infected patients. 1708 30

Large pericardial effusions are common in sub-Saharan Africa. They are most often caused by tuberculosis and are frequently associated with HIV infection. We report on a case of massive pericardial effusion in a 32-year-old HIV-positive male with smear-positive pulmonary tuberculosis. This was found to be colonised by Propionibacter acnes, which is normally found in anaerobic skin flora. Despite management, including appropriate antibiotic treatment based on culture and sensitivity, the patient died several weeks later. While cases of bacterial pericarditis have been described previously, this is the first report of Propionibacter isolated from a pericardial effusion. This case suggests that superinfection could have occurred iatrogenically as a result of pericardiocentesis three weeks prior to admission. We feel that proper sterile techniques, including generous use of povidone-iodine, which is readily available in resource-poor settings, may improve clinical outcomes in immunosuppressed patients undergoing invasive procedures.
Cardiovasc J S Afr
PMID:Propionibacter acnes complicating HIV-associated tuberculous pericardial effusion in Cameroon. 1711 31

An HIV-positive 32-year-old male presenting with superior vena cava syndrome underwent multislice computed tomography (MSCT) and magnetic resonance imaging (MRI), which showed a large tumor in the right atrium, which extended to the superior vena cava. Pathologic examination revealed that the mass was consistent with B cell-type malignant lymphoma. The tumor size markedly decreased after the initiation of chemotherapy and patient recovery has been uneventful for 1 year.
Cardiovasc Revasc Med
PMID:Primary malignant lymphoma of the right atrium resulting in superior vena caval syndrome in an HIV-positive patient: depiction at multislice computed tomography and magnetic resonance imaging. 1717 76

Unlike other parts of the world in which cardiomyopathy is rare, heart muscle disease is endemic in Africa. The major forms of cardiomyopathy in Africa are dilated cardiomyopathy (DCM) and endomyocardial fibrosis (EMF). Whereas DCM is a major cause of heart failure throughout the continent, EMF is restricted to the tropical regions of East, Central, and West Africa. Although epidemiological studies are lacking, hypertrophic cardiomyopathy and arrhythmogenic right ventricular cardiomyopathy seem to have characteristics similar to those of other populations elsewhere in the world. Recent advances in the genetic analysis of DCM in other parts of the world indicate that it is a genetically heterogeneous disorder in which some cases have a Mendelian cause and others have a non-genetic or multifactorial cause. This heterogeneous pattern of inheritance has been confirmed in small studies that have been conducted so far in Africa. The advent of human immunodeficiency virus infection and its association with cardiomyopathy has emphasised the role of inflammatory agents in the pathogenesis of DCM. By contrast with DCM in which some cases have major genetic contributions, there is scanty evidence for the role of genetic factors in the aetiology of EMF. Although the pathogenesis of EMF is not fully understood, it appears that the conditioning factor may be geography (in its widest sense, to include climate and socio-economic status), the triggering factor may be an as yet unidentified infective agent, and the perpetuating factor may be eosinophilia. There is a need for renewed effort to identify genetic and non-genetic factors in EMF and other forms of heart muscle disease that are prevalent on the continent of Africa.
Cardiovasc J Afr
PMID:Cardiomyopathy in Africa: heredity versus environment. 1761 50

Awareness of the importance of carbohydrates in living systems and medicine is growing due to the increasing understanding of their biological and pharmacological relevance. Carbohydrates are ubiquitous and perform a wide array of biological roles. Carbohydrate-based or -modified therapeutics are used extensively in cardiovascular and hematological treatments ranging from inflammatory diseases and anti-thrombotic treatments to wound healing. Heparin is a well-known and widely used example of a carbohydrate-based drug but will not be discussed as it has been extensively reviewed. We will detail carbohydrate-based and -modified therapeutics, both those that are currently marketed or in various stages of clinical trials and those that are potential therapeutics based on promising preclinical investigations. Carbohydrate-based therapeutics include polysaccharide and oligosaccharide anti-inflammatory, anti-coagulant and anti-thrombotic agents from natural and synthetic sources, some as an alternative to heparin and others which were designed based on known structure-functional relationships. Some of these compounds have multiple biological effects, showing anti-adhesive, anti-HIV and anti-arthrithic activities. Small molecules, derivatives or mimetics of complement inhibitors, are detailed for use in limiting ischemia/ reperfusion injuries. Monosaccharides, both natural and synthetic, have been investigated for their in vivo anti-inflammatory and cardioprotective properties. Modification by glycosylation of natural products, or glycosylation-mimicking modification, has a significant effect on the parent molecule including increased plasma half-life and refining or increasing desired functions. It is hoped that this review will highlight the vast therapeutic potential of these natural bioactive molecules.
Cardiovasc Hematol Agents Med Chem 2007 Jul
PMID:Carbohydrates in therapeutics. 1763 Sep 44

Endothelial dysfunction may contribute to increased cardiovascular events among HIV-1-infected patients receiving antiretroviral therapy. The HIV-1 protease inhibitor indinavir causes both vascular dysfunction and insulin resistance, but the relationship between the two disturbances is not established. Endothelium-dependent vasodilation (EDV), insulin-mediated vasodilation (IMV), and whole body and leg glucose uptake during a euglycemic hyperinsulinemic clamp (40 mU/m(2)/min) were measured before and after four weeks of indinavir in nine healthy men. EDV fell from 270 +/- 67% above basal to 124 +/- 30% (P = 0.04) and IMV from 56 +/- 14% above basal to 8 +/- 8% (P = 0.001) with indinavir. During the clamp, arteriovenous glucose difference and leg glucose uptake were not significantly different after indinavir and whole-body glucose uptake was only modestly reduced (8.0 +/- 0.8 vs. 7.2 +/- 0.8 mg/kg/min, P = 0.04). The change in EDV did not correlate with the change in whole-body glucose uptake after indinavir (r = 0.21, P = 0.6). Despite marked impairment of endothelial function and IMV with indinavir, only modest, inconsistent reductions in measures of insulin-stimulated glucose uptake occurred. This suggests that indinavir's effects on glucose metabolism are not directly related to indinavir-associated endothelial dysfunction. Studies of the vascular effects of newer protease inhibitors are needed.
Cardiovasc Toxicol 2008 Mar
PMID:Severe impairment of endothelial function with the HIV-1 protease inhibitor indinavir is not mediated by insulin resistance in healthy subjects. 1817 83

First described in 1989, HIV-related aneurysms have been rarely reported. Considered atypical if compared to classic atherosclerotic diseases, they show no preferred location and frequently involve young patients with no other risk factors for atherosclerosis but with an impaired immune system. They are probably related to an auto-immune damage inside the aortic wall associated with a necrotizing perivasculitis. Visceral artery aneurysms are rare and life-threatening diseases; the superior mesenteric and gastro-duodenal and pancreatic vessels are rarely involved. The advantages related to the endovascular approach to these aneurysms seems to be even more effective in immuno-impaired patients (i.e. HIV+). We report a case of a young patient affected by a HIV-related gastroduodenal artery aneurysm which was treated with a combined percutaneous and endovascular approach.
J Cardiovasc Surg (Torino) 2008 Oct
PMID:A case of gastroduodenal artery aneurysm in a HIV-positive patient treated by combined percutaneous thrombin injection and endovascular coil embolization. 1867 Mar 84

In sub-Saharan Africa, pericardial tuberculosis is frequently diagnosed in HIV sero-positive patients. Myocardial involvement has only rarely been reported. We present an HIV sero-positive patient in whom both pericardial and myocardial tuberculosis were diagnosed, and highlight the value of cardiac magnetic resonance imaging in the diagnosis and management of this condition.
Cardiovasc J Afr
PMID:Resolution of nodular myocardial tuberculosis demonstrated by contrast-enhanced magnetic resonance imaging. 1877 63

Human immunodeficiency virus infection (HIV) is the fourth leading cause of death worldwide.1 Recently, the introduction of highly active antiretroviral therapy (HAART) improved the survival rate of HIV-infected patients. However, the number of HIV-infected patients to be referred for cardiac surgery will increase because cardiovascular risk is increased with the use of HAART. Herein, we report three HIV-infected patients who underwent open heart surgery with cardiopulmonary bypass; we followed their progress by monitoring their CD4+ T-lymphocyte counts. Based on our experience, it seems that cardiopulmonary bypass does not accelerate progression of HIV disease.
Gen Thorac Cardiovasc Surg 2008 Sep
PMID:Cardiac surgery in three patients infected with the human immunodeficiency virus. 1879 74

Extensively drug-resistant tuberculosis is becoming a global threat. It is a relatively new phenomenon, and its optimal management remains undetermined. We report our experience in using pulmonary resection for treating patients with this disease. Records were reviewed of 54 consecutive patients undergoing a pulmonary resection for multidrug-resistant tuberculosis at Fukujuji Hospital between 2000 and 2006. These patients were identified using the definition approved by the World Health Organization Global Task Force on extensively drug-resistant tuberculosis in October 2006. Five (9%) patients (3 men and 2 women) aged 31-60 years met the definition. None of the patients was HIV-positive. Although the best available multidrug regimens were initiated, no patient could achieve sputum conversion. Adjuvant resectional surgery was considered because the patients had localized disease. Procedures performed included pneumonectomy (2) and upper lobectomy (3). There was no operative mortality or morbidity. All patients attained sputum-negative status after the operation, and they were maintained on multidrug regimens for 12-25 months postoperatively. All patients remained free from disease at the time of follow-up. Pulmonary resection under cover of state-of-the-art chemotherapy is safe and effective for patients with localized extensively drug-resistant tuberculosis.
Interact Cardiovasc Thorac Surg 2008 Dec
PMID:Experience with pulmonary resection for extensively drug-resistant tuberculosis. 1881 34


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