Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound   Target Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound

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Query: UMLS:C0021051 (immunodeficiency)
71,517 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Although deaths from tuberculosis (TB) are increasing, TB-related sudden death (TBRSD) is rarely reported in the literature. We present a case report of fatal pulmonary TB with extrapulmonary extension in a patient infected with the human immunodeficiency virus (HIV) and a review of published reports of TBRSD in MEDLINE (1966 to October 2000). Forty-six cases of TBRSD were reported. The most common cause of TBRSD was tuberculous bronchopneumonia in 30 (64%) patients, followed by hemoptysis in 14 (30%) patients. Tuberculous myocarditis and isolated TB of the adrenal glands are seldom causes of TBRSD. The early detection of TB, use of directly observed therapy, and individualization of treatment can be helpful in decreasing the incidence of TBRSD.
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PMID:Tuberculosis and sudden death: a case report and review. 1160 81

A 77-year-old man was in good health until he complained of fatigue 3 weeks before presentation. Two weeks before admission, he developed gradually worsening shortness of breath. One week before admission, he developed a cough that initially was nonproductive but later was associated with hemoptysis.His past medical history was remarkable for a history of colon cancer (Dukes' stage III), for which he underwent a hemicolectomy and treatment with adjuvant chemotherapy in 1993. He had a myocardial infarction in 1986 and underwent coronary artery bypass surgery in 1999. He also had a history of hypertension, type 2 diabetes, and gout. He smoked in the past but had stopped more than 30 years ago.He was initially evaluated by his primary care physician, who noted that he complained of diaphoresis but denied fevers, chills, or contact with others who were ill. His physical examination was remarkable for bilateral crackles that were more pronounced on the right. A chest radiograph demonstrated bilateral pulmonary infiltrates (Figure 1). He was treated with amoxicillin. The next day, however, his physician noted that his dyspnea had worsened and that his oxygen saturation on room air was poor. He was therefore admitted for further evaluation. The amoxicillin was discontinued, and he was treated with levofloxacin, followed by ceftriaxone and azithromycin as his pulmonary status continued to deteriorate. He received intravenous diuretic agents, which failed to improve his respiratory status. During the initial phase of hospitalization, he was anemic, with a hematocrit of 21.3%. His serum creatinine level, which had been 1.0 mg/dL in 1999, was now 2.5 mg/dL. Urinalysis was remarkable for the presence of numerous red blood cells. His oxygen requirement increased, and he eventually required a 100% nonrebreather mask. A computed tomographic scan of the chest demonstrated prominent alveolar opacities throughout the right upper, middle, and lower lobes, with similar opacities in the left upper and left lower lobes (Figure 2). An echocardiogram showed an ejection fraction of 50%, as well as mild mitral regurgitation. Serologies were remarkable for an antinuclear antibody titer of 1:320 and a P-antineutrophil cytoplasmic antibody (P-ANCA) titer of greater than 1:320. C-ANCA was negative. Anti-glomerular basement membrane and anti-human immunodeficiency virus antibodies were undetectable.
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PMID:Cases from the medical grand rounds of the Osler Medical Service at Johns Hopkins University. 1207 15

The prevalence of bronchiectasis decreased due to the effective use of vaccines and advances of antibiotic therapy after 1970. However, it remains an important long-term morbidity of lower respiratory tract infection in developing country. To evaluate the clinical features of bronchiectasis in a tertiary hospital, we collected 21 patients with a diagnosis of bronchiectasis in Taipei Veterans General Hospital from May, 1984 to Dec, 2001 in pediatric outpatient with the admission of age below 18 years old. The diagnosis was based on the history of recurrent cough with fetid sputum, hemoptysis, or recurrent lobar pneumonia for months at least and radiological findings of lobar infiltration, tram-track like patterns, bronchiolar dilatation or honeycomb patterns. The diagnostic examinations included chest plain radiography, bronchography and chest computed tomography (CT) scans. Respiratory tract infections were the commonest cause predisposing to bronchiectasis in our study. Tuberculosis is not rare in this study. In recent years, immunodeficiency disorders have been recognized. Most patients suffered from recurrent cough and fetid sputum for years before diagnosis was established. Hemoptysis was the second common symptom in our study. The plain chest radiograph of bronchiectasis revealed dilatation of bronchial trees with honeycomb pattern or infiltration only. In recent years, chest CT became the most accurate and being noninvasive diagnostic tool. The initial treatment was primarily medical conservative therapy. Only five patients in our cases underwent pulmonary resection due to persistent hemoptysis, recurrent bacterial pneumonia or pulmonary parenchyma destruction. Most patients still suffered from recurrent pneumonia or occasional exacerbation in the long-term follow-up. In conclusion, bronchiectasis is not uncommon in pediatric population in northern Taiwan. The history of recurrent cough with fetid sputum, hemoptysis, or recurrent pneumonia were the most important clues to early diagnosis of this disease. Early diagnosis and appropriate treatment are effective in order to prevent lung abscess, empyema and pneumothorax, bronchopleural fistula, hemoptysis or cor pulmonale.
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PMID:Clinical spectrum of bronchiectasis in children. 1260 83

Bronchiectasis is primarily the result of airway injury and remodeling attributable to recurrent or chronic inflammation and infection. The underlying etiologies include autoimmune diseases, severe infections, genetic abnormalities, and acquired disorders. Recurrent airway inflammation and infection may also be the result of allergic or immunodeficiency states such as allergic bronchopulmonary mycoses or HIV/AIDS. Bronchiectasis should be included in the differentiation diagnosis of any patient with chronic respiratory complaints such as cough and sputum production. Early clinical manifestations may be subtle. Hallmarks of severe bronchiectasis include fetid breath, chronic cough, and sputum production. The associated chronic respiratory infections and airway sepsis are punctuated by episodes of acute exacerbation. Prompt recognition and treatment of bronchiectasis may allow for prevention of disease progression and irreversible loss of lung function. This review of severe non-cystic fibrosis bronchiectasis describes the current pathophysiology, clinical presentations, and management of bronchiectasis. We review how impaired airway clearance and the inability to resolve infection and inflammation creates a vicious cycle of recurrent injury. The common clinical features of bronchiectasis and findings are presented and illustrated by radiographic images. The common species and significance of various organisms often recovered from the distal airways including: tuberculous and environmental mycobacteria, aspergillus, and bacteria such as Pseudomonas aeruginosa will be covered. Management strategies including sputum surveillance, sputum clearance, antimicrobial therapy including antifungal and antimyobacterial agents as well as the evidence for the use of inhalational and anti-inflammatory therapies such as corticosteroids are also discussed. Recommendations for the work-up and therapy of complications including hemoptysis and respiratory failure are presented.
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PMID:Severe bronchiectasis. 1471 69

PRESENTING FEATURES: A 53-year-old man who had human immunodeficiency virus (HIV) presented to the Johns Hopkins Hospital with a 3-month history of increasing dysphagia, cough, dyspnea, chest pain, and an episode of syncope. His past medical history was notable for oral and presumptive esophageal candidiasis that was treated with fluconazole 6 months prior to presentation. Three months prior to presentation, he discontinued his medications, and his symptoms of dysphagia recurred. During that time he developed intermittent fevers and chills, progressively worsening dyspnea on exertion, and a cough productive of white sputum. He also reported a 40-lb weight loss over the past 3 months. On the day prior to presentation, he had chest pain and shortness of breath followed by weakness, dizziness, and a brief syncopal episode. He denied orthopnea, paroxysmal nocturnal dyspnea, lower extremity edema, jaundice, hemoptysis, hematemesis, melena, hematochezia, or diarrhea. There was no history of alcohol use, and he stopped smoking tobacco approximately 1 month previously. He smoked cocaine but denied injection drug use. The patient had never been on antiretroviral therapy and had never had his CD4 count or viral load measured. On physical examination, the patient was a thin, cachectic man who appeared older than his stated age. His vital signs were notable for blood pressure of 102/69 mm Hg, resting tachycardia of 102 beats per minute, resting oxygen saturation of 92% on room air, normal resting respiratory rate, and a temperature of 38.1 degrees C. His oropharynx was clear, with no signs of thrush or mucosal ulcers. His pulmonary examination was notable for diminished breath sounds in the lower lung fields bilaterally. Cardiac, abdominal, and neurologic examinations were normal. His skin was intact, with no visible petechiae, rashes, nodules, or ulcers. Laboratory studies showed a total white blood cell count of 3.2 x 10(3)/microL, with a total lymphocyte count of 330/microL, hematocrit of 30.2%, a serum sodium level of 129 mEq/L, and a serum lactate dehydrogenase level of 219 IU/L. The patient had an absolute CD4 count of 8 cells/mm3 and a HIV viral load of 86,457 copies/mL. His arterial blood gas on room air had a pH of 7.51, a PCO2 of 33 mm Hg, and a PO2 of 55 mm Hg. Electrocardiogram and serial serum cardiac enzymes were normal. A chest radiograph showed bilateral upper lobe patchy infiltrates with left upper lobe consolidation. Computed tomographic (CT) scan of the chest with contrast showed bilateral ground glass infiltrates with focal consolidation (Figure 1) and no evidence of pulmonary embolism. Induced sputum was negative for Pneumocystis carinii, fungi, or acid-fast bacilli. A bronchoalveolar lavage was performed. What is the diagnosis?
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PMID:Cases from the Osler Medical Service at Johns Hopkins University. Diagnosis: P. carinii pneumonia and primary pulmonary sporotrichosis. 1533 85

Bronchiectasis is becoming less common as the treatment for acute lower respiratory tract infections improves and immunization programmes decrease the frequency of pertussis and measles. However bronchiectasis is still a challenge to the paediatric chest physicians in many developing parts of the world and it remains a frequent problem being the final common pathway of several different lower respiratory tract insults such as cystic fibrosis, immunodeficiency, ciliary dyskinesia. Although the treatment of patients with bronchiectasis is primarily medical, surgical treatment is required in a small group of patients with recurrent episodes of pneumonia and atelectasis localized to one area, severe or recurrent hemoptysis and in those unresponsive to aggressive medical treatment with abnormal growth and development. There are unanswered questions about childhood bronchiectasis, mainly on aetiology and treatment which require more research.
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PMID:Non cystic fibrosis bronchiectasis. 1626 48

Massive hemoptysis during pregnancy has been infrequently reported. The management of massive hemoptysis in an immunocompromised 22-year-old woman positive for human immunodeficiency virus undergoing treatment for cavitating pulmonary tuberculosis in the last trimester of pregnancy is reported. The difficulties encountered in applying our standard protocol for massive hemoptysis in this instance are described. The patient was managed by emergency cesarean section and lobectomy.
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PMID:Massive hemoptysis in an immunocompromised pregnant woman with human immunodeficiency virus disease and active pulmonary tuberculosis. 1803 42

Approximately 90% to 95% of Kaposi sarcoma cases occur in human immunodeficiency virus - infected homosexual and bisexual men. Pulmonary Kaposi sarcoma is uncommon in women, and rarely considered as a potential cause of diffuse lung disease in women with acquired immunodeficiency syndrome. The disease is usually mistaken clinically for pulmonary infection. A 32-year-old woman was admitted with a 2-month history of dyspnea, evening fever, hemoptysis, weight loss, and generalized adenomegaly. Physical examination showed erythematous macules in the lower limbs. Skin and open lung biopsy demonstrated Kaposi sarcoma. Computerized tomography demonstrated peribronchovascular interstitial thickening. Although uncommon, pulmonary Kaposi sarcoma should be considered in the differential diagnosis of diffuse lung disease in women with AIDS.
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PMID:Pulmonary Kaposi sarcoma in a human immunodeficiency virus - infected woman: a case report. 1912 Dec 17

Infection of the central nervous system with Nocardia sp. usually manifests as supratentorial abscesses. Supratentorial and cerebellar abscesses from infection with Nocardia sp. following immunosuppression with long-term corticosteroids for idiopathic thrombocytopenia (ITP) have not been reported. An 83 years-old, human immunodeficiency virus (HIV)-negative, polymorbid male with ITP for which he required corticosteroids since age 53 years developed tiredness, dyspnoea, hemoptysis, abdominal pain, and progressive gait disturbance. Imaging studies of the lung revealed an enhancing tumour in the right upper lobe with central and peripheral necrosis, multiple irregularly contoured hyperdensities over both lungs, and right-sided pleural effusions. Sputum culture grew Nocardia sp. Neurological diagnostic work-up revealed dysarthria, dysphagia, ptosis, hypoacusis, tremor, dysdiadochokinesia, proximal weakness of the lower limbs, diffuse wasting, and stocking-type sensory disturbances. The neurological deficits were attributed to an abscess in the upper cerebellar vermis, myopathy from corticosteroids, and polyneuropathy. Meropenem for 37 days and trimethoprime-sulfamethoxazole for 3 months resulted in a reduction of the pulmonary, but not the cerebral lesions. Therefore, sultamicillin was begun, but without success. Long-term therapy with corticosteroids for ITP may induce not only steroid myopathy but also immune-incompetence with the development of pulmonary and cerebral nocardiosis. Cerebral nocardiosis may not sufficiently respond to long-term antibiotic therapy why switching to alternative antibiotics or surgery may be necessary.
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PMID:Cerebellar nocardiosis and myopathy from long-term corticosteroids for idiopathic thrombocytopenia. 2004 27

Since the first report of Rhodococcus equi infection in an acquired immune deficiency syndrome patient in 1986, seven additional cases have been described. A patient is described in whom the diagnosis was delayed due to misidentification of the organism as an atypical mycobacterial species. The literature regarding R equi infection in persons infected with the human immunodeficiency virus is reviewed. The most common presentation is one of a chronic, indolent pulmonary infiltrative disease (78%). Fever (78%), cough (67%), and hemoptysis (44%) are frequently present. Coexistent opportunistic illnesses are common (67%). In the laboratory identification of this organism, it is important to communicate the clinical setting to the microbiologist and to recognize the potential for the organism to be overlooked as normal flora or a contaminant, or misidentified as an organism with similar phenotypic characteristics (Nocardia species or a rapidly growing mycobacterium). Based on experience in foals, therapy with erythromycin and rifampin is suggested.
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PMID:Spectrum of disease caused by Rhodococcus equi in human immunodeficiency virus infection: Report of a case and review of the literature. 2255 50


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