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PubMed2004

Varicella-zoster virus pneumonia in adults: report of 14 cases and review of the literature.

BACKGROUND: The aim of this retrospective study was to determine the clinical, laboratory, and radiological features of all adult patients with varicella-zoster virus pneumonia (VZVP) treated in our departments during the last 5 years. Important therapeutic and evolutionary features are also reported. METHODS: Fourteen patients (11 males and 3 females, mean age OF 36.4 and 34.3 years, respectively), diagnosed as suffering from VZVP, were included in this study. The antecedents of previous contact with patients with varicella, smoking, pregnancy, and underlying diseases were evaluated. In all cases, the diagnosis of pneumonia was established by clinical and radiological criteria in the course of varicella infection. RESULTS: All but one patient had had previous contact with a varicella patient. Eleven of them (78.57%) were smokers. None of the patients was immunocompromised. All patients had the characteristic rash of the disease, fever, and cough. Only six (43%) had bilateral sparse rales on auscultation. Arterial blood gas analysis at the onset of VZVP revealed hypoxemia in seven patients (50%) and hypocapnia in six (43%). Mean PaO(2) was 55 mmHg (range of 42-68 mmHg) and mean PaCO(2) was 34 mmHg (range of 27-36 mmHg). Chest radiographs showed ill-defined nodular or reticular densities of various sizes scattered throughout both lung fields. A CT scan of the chest, performed in seven patients (50%), confirmed the radiological findings and marked out patchy ground-glass attenuation in three patients and coalescence of lesions in two others. After diagnosis, all patients were immediately started on acyclovir 5-10 mg/kg every 8 h. Five patients (36%) were admitted to the ICU due to acute hypoxemic respiratory failure. Two patients received noninvasive positive pressure ventilation via a facemask and the other three patients with a clinical diagnosis of ARDS were intubated and ventilated mechanically. The duration of patient hospitalization was 16+/-10 days. One patient (8%) died in the ICU on the third day after admission due to multiple organ dysfunction (MOF). All of the other patients recovered completely without any sequelae. CONCLUSIONS: Adult patients with severe VZVP must be admitted and treated in the ICU. The use of intravenous acyclovir may be lifesaving, preventing progressive respiratory failure and reducing the high mortality rate of the disease.

Journal Article↗
PubMed2004

The relationship of carditis to the initial attack of Sydenham's chorea.

BACKGROUND: The natural history of valvular regurgitation detected by echocardiography in Sydenham's chorea has been lacking. METHODS: Clinical assessment and transthoracic color Doppler echocardiography were independently performed for each patient with an initial attack of Sydenham's chorea and also for each normal control (Khon Kaen University, Thailand; 1991-2001) at the time of their presentations. Serial clinical examinations and echocardiography were done for each patient at 1- and at 5-year follow-up. RESULTS: Of 44 patients, 17 (39%) had carditis (valvulitis) evident by auscultation at the time of the initial attack. Three (11%) of the 27 patients with no clinical evidence of carditis had echocardiographic evidence of acute mitral regurgitation (subclinical valvulitis). All 17 patients with carditis had echocardiographic evidence of acute mitral regurgitation. None of the 88 control children had evidence of pathologically significant valvular regurgitation. Of the 15 patients with carditis regularly followed, the persistence of a mitral regurgitation murmur and of pathologically significant valvular regurgitation by echocardiography were 33% (5/15) and 60% (9/15), respectively, at 1-year follow-up, but the persistence of both was 25% (1/4) at 5-year follow-up. CONCLUSIONS: Color Doppler echocardiography is a useful tool in the early diagnosis of rheumatic carditis (valvulitis) and at 1-year follow-up of rheumatic valvular heart disease in the patients with initial Sydenham's chorea but the incremental benefit beyond 5 years after the initial attack might be minimal.

Acute Disease↗
PubMed2004

Feline lower airway disease: a retrospective study of 22 naturally occurring cases from Greece.

In this retrospective study of 22 cats with lower airway disease of either intermittent (23%) or persistent nature (77%), the Siamese breed (55%) was significantly over-represented. Females (68%) were slightly but not significantly over-represented. No significant association was found between the clinical stage of disease and the physical findings, thoracic radiographic changes or the response to treatment. Cough, the most common presenting complaint, was the only symptom detected in the cats with intermittent disease, yet the two most severely affected animals did not show it. Thoracic auscultation did not reveal any abnormality in 41% of the cats. Haematology revealed eosinophilia in 46% of the cats. A bronchial pattern was the most common radiographic abnormality (73%), followed by alveolar (32%) and interstitial patterns (23%). Interestingly, thoracic radiographs were normal in 23% of the cats. The combination of short-term corticosteroids and bronchodilators resulted in complete and long-term remission of symptoms in nine cats, while the other 11 required ongoing medication because of relatively frequent relapses. One of the remaining two cats died during an asthmatic crisis, while the other was lost to follow up.

Animals↗
PubMed2005

Using urea dilution to standardise cellular and non-cellular components of pleural and bronchoalveolar lavage (BAL) fluids in the cat.

A technique to standardise the analysis of cellular and non-cellular components in epithelial lining fluid (ELF) collected during saline lavage of pulmonary and pleural cavities was developed using the urea dilution method. Bronchoalveolar lavage (BAL) and pleural lavage (PL) fluids were collected from 12 clinically healthy cats. Total and differential cell counts in BAL fluid were within normal ranges for the cat, while cell counts in PL fluid were assumed to be normal based on clinical health during examination, auscultation and lactate dehydrogenase (LDH) activities being comparable with other species. The major clinical implication of this study was that nucleated cell counts within feline ELF could not be predicted from analysis of lavage fluid which suggests that calculation of the proportion of ELF in lavage fluid by the urea dilution method may be necessary to avoid misdiagnosis of health or disease in pulmonary or pleural cavities.

Animals↗
PubMed2006

Radial longitudinal deficiency: the incidence of associated medical and musculoskeletal conditions.

PURPOSE: Radial longitudinal deficiency (RLD) is associated with certain syndromes and medical and musculoskeletal conditions. The purpose of this investigation was to evaluate the incidence of these conditions with RLD. METHODS: A comprehensive chart review identified patients with RLD and a complete medical record. These charts were evaluated for the presence of associated medical and musculoskeletal conditions and biographic information on gestation, delivery, and family history. RESULTS: A total of 164 patients with 245 affected extremities were identified; 138 patients had radius abnormalities and 26 patients had isolated thumb hypoplasia. Twenty-five patients had thrombocytopenia absent radius syndrome; 22 patients had vertebral, anal, cardiac, tracheoesophageal, renal, and limb abnormalities association; 7 patients had Holt-Oram syndrome; and 1 patient had Fanconi anemia. There were 32 patients with cardiac abnormalities and 60 patients with spinal or lower-extremity musculoskeletal abnormalities. The percentage of patients with associated abnormalities increased with an increasing severity of RLD. One hundred two of the 138 patients with types I through V RLD had associated medical or musculoskeletal abnormalities. In contrast, only 9 of 26 patients with an isolated thumb hypoplasia (type 0 RLD) had associated abnormalities. CONCLUSIONS: The high incidence of associated medical and musculoskeletal abnormalities in patients with RLD emphasizes the importance of a complete assessment including a complete musculoskeletal examination, cardiac auscultation, complete blood count, echocardiogram, renal ultrasound, and spinal radiographs. Although approximately one third of patients in this investigation had a syndrome commonly associated with RLD, most patients with RLD types I through V had an additional medical or musculoskeletal anomaly. Patients with type 0 RLD were less likely to have comorbidities.

Congenital Abnormalities↗
PubMedDate not supplied

Popliteal aneurysm as a cause of leg pain in a geriatric patient.

OBJECTIVE: To discuss the management of a patient with unilateral lower extremity pain as a consequence of a popliteal aneurysm. CLINICAL FEATURES: An 85-year-old male had difficulty in ambulating due to low back and lower extremity pain. Standard tests demonstrated and reproduced pain at the lower back while inspection, palpation, and auscultation revealed a pulsatile mass in the popliteal fossa of the right knee. INTERVENTION AND OUTCOME: Specific joint manipulation for relief of low back pain was performed. Comanagement of the patient with a vascular surgeon and subsequent surgical intervention resulted in relief of lower extremity pain. CONCLUSION: Resolution of pain and guarded gait was accomplished by a multidisciplinary approach combining conservative care and invasive techniques.

Aged↗
PubMed2006

Intrapartal care in a Swedish maternity unit after a quality-improvement programme.

OBJECTIVES: to study the effects of a quality-improvement programme (QIP) on documented intrapartal midwifery care in the context of a conventional maternity unit. The aim of the QIP was to improve intrapartal midwifery care in accordance with the World Health Organization (WHO)'s recommendations for care in normal birth, without decreasing the number of spontaneous vaginal births. DESIGN: an audit instrument, developed from WHO recommendations for care in normal birth, was used to compare birth records from before and after the implementation of a QIP. Two hundred and twelve consecutive birth records were examined in the pre-test and 240 in the post-test period. SETTING: a conventional maternity unit in Western Sweden. FINDINGS: an overall documented improvement towards the recommendations by WHO was observed, especially in items for which guidelines were developed; more women were in active labour, intermittent auscultation increased in first and second stage, and oxytocin augmentation decreased in the first stage. The improved care did not influence the number of spontaneous vaginal deliveries or the duration of active labour and second stage. CONCLUSION AND IMPLICATIONS FOR PRACTICE: a QIP facilitated implementation of WHO's recommendations for care in normal birth. Most of the documented care changed in favour of the WHO recommendations. The findings highlight the importance of professional discussions and use of guidelines to implement changes and to show how midwifery care can change in a conventional ward. However, the findings must be interpreted with some caution because of the sample size and because the findings are based on documented, not observed, care.

Adult↗
PubMed2005

Childhood asthma: reasons for diagnostic delay and facilitation of early diagnosis--a qualitative study.

BACKGROUND: Children with undiagnosed asthmatic symptoms account for much illness and hospitalisation. The aim of the study was to identify reasons for diagnostic delay in childhood asthma and to develop tools for early diagnosis. METHODS: A qualitative study, using semi-structured interviews with the parents of 30 children with asthma aged 2-15 years, combined with 15 GP interviews. FINDINGS: Asthma symptoms for most of the children started during their first year. The typical symptom pattern reported by parents consisted of insidious recurrent or continuous respiratory symptoms, particularly bad at night, often lasting several weeks or months, provoked or aggravated by common colds or foggy weather. In describing the symptoms, parents focussed on coughing and sputum production. As in other studies, the children's asthmatic diagnosis was obscured by excessive diagnostic emphasis on respiratory infections. The reasons for diagnostic delay seemed to be, typically, that doctors did not pay enough attention to the history of recurrent cough and unspecified respiratory symptoms, just as the parents' use of lay and onomatopoeic terms and metaphors for wheezing seemed to be misinterpreted. Furthermore some doctors relied more on the present symptoms and physical examination, although asthmatic patients may have normal auscultation on examination. Several doctors did not expect asthma in infancy. CONCLUSIONS: The underlying reason for diagnostic delay could be that a former diagnostic definition of asthma, focussing on severe and dramatic cases, was still used by doctors. However, adapting to a new diagnostic concept for asthma, which highlights a history of periodic or chronic cough, wheeze and/or breathing difficulties and the typical asthma pattern in toddlers as shown in this study, may enable earlier diagnosis and treatment.

Journal Article↗
PubMed2006

Recurrent hemiparesis due to anterior mitral leaflet myxomas.

Strokes, cardiac or noncardiac, generally affect the elderly and only occasionally occur in children. A tendency to stroke occurs in cyanotic congenital heart disease; however, this report describes two female patients, aged 6 years and 4 years, who had no cyanotic disease. The first patient was admitted to the hospital after the first stroke but suffered a second one after admission. Her initial cardiac examination was normal. The other patient was admitted after a second right-sided hemiparesis. A mild pansystolic ejection murmur was observed at the lower left sternal border on auscultation; slight late diastolic murmurs with opening snap were found in the mitral valve area, and the second heart sound was increased. Transthoracic echocardiography revealed a mass in the anterior mitral valve in both patients. These masses were completely removed surgically and pathology revealed myxomas. Hemiparesis completely resolved after surgical and medical treatment. The clinical manifestations of cardiac tumors primarily depend on their number, size, location, and histology. Strokes and anterior mitral valve masses are extremely rare in children. In the two cases reported here, anterior mitral valve myxomas caused systemic embolization as a result of their location. Echocardiography should be performed early in patients presenting with recurrent strokes to exclude such pathology.

Child↗
PubMed2006

Morbidity in 3-7-month-old dairy calves in south-western Sweden, and risk factors for diarrhoea and respiratory disease.

The health status of 2947 heifer calves born in 1998 and raised in 122 Swedish dairy herds was monitored from birth to 210 days of age. Disease occurrence was recorded by farmers and by veterinarians who visited the farms six times yearly, examined the calves clinically and auscultated their lungs. The incidence risks of diarrhoea, ringworm and clinical respiratory-tract disease (CRTD) in calves from 3 to 7 months of age were 2.7%, 5.6% and 5.7%, respectively. The herd-level incidence risks of the three diseases were zero in 63.1%, 76.2% and 48.4%, respectively, of the herds. In positive herds incidence risks were 2.2-46.4%, 2.6-47.0% and 2.2-53.3%, respectively. The associations between the potential risk factors age at first grazing, air quality, birth place, feeding of colostrum, hygiene, number of animals, age range within the pen or building, pen area, pen location, previous housing type, present housing type, previous disease and season, and each of three binary outcome variables (diarrhoea, increased respiratory sounds and CRTD) were evaluated using two-level (calf; herd) variance component logistic models. Predictors significantly associated (P<0.05) with diarrhoea were pen area, season and the interaction between pen location and previous CRTD. Previous CRTD, season and heart girth at weaning were significantly associated with moderately to severely increased respiratory sounds. Predictors significantly associated with CRTD were previous diarrhoea, previous housing and season. It was concluded that the incidence of diarrhoea and CRTD in 91-210-day-old Swedish dairy calves is higher than previously reported from dairy herds in Sweden and the USA, and that diarrhoea, increased respiratory sounds and CRTD are associated with season, a history of disease during the first 90 days of age and, to some extent, housing factors.

Animals↗
PubMed2006

Characterisation of the onset and presenting clinical features of adult bronchiectasis.

BACKGROUND: There is little information available on the features of initial presentation of bronchiectasis and documentation of the onset and progress of symptoms leading up to this. Therefore a study was performed on a large cohort of adult patients presenting to Monash Medical Centre (MMC) to survey the course of their disease up to the time of diagnosis. OBJECTIVES: To characterise the onset and presenting clinical features of bronchiectasis in adults. METHODS: A cross-sectional study of 103 adults presenting to a tertiary referral hospital with newly diagnosed bronchiectasis. Clinical features of bronchiectasis and results of spirometry, sputum microbiology and radiology were assessed and correlated. RESULTS: Most patients had idiopathic bronchiectasis (74%) and did not have other significant disease. The dominant symptom was chronic productive cough present in 98% of patients with other important symptoms being chronic rhinosinusitis (70%), dyspnoea (62%), and fatigue (74%). Most patients had had a chronic productive cough for over 30 years prior to diagnosis and over 80% of patients had chronic respiratory symptoms from childhood. The dominant finding on physical examination was the presence of crackles which were generally bi-basal. Spirometry showed mild airway obstruction with an average forced expiratory volume in 1s of the cohort of 76% predicted. Radiologic imaging generally showed multilobar disease (80%). CONCLUSIONS: The typical profile of bronchiectasis in this group of patients was of longstanding productive cough, rhinosinusitis and fatigue in non-smokers with crackles on chest auscultation.

Asthma↗
PubMed2006

Original investigation of right-to-left shunting patent ductus arteriosus in an Irish setter puppy.

A six-month-old, entire female, Irish setter was presented with a two-month history of progressive hindlimb weakness and collapse on exercise. Thoracic auscultation revealed a soft systolic murmur and a split second heart sound. Differential cyanosis and polycythaemia were not observed. Right-to-left shunting patent ductus arteriosus (r-PDA) was confirmed on contrast echocardiography ("bubble study") and selective right ventricular angiography. Comparison of blood gases from the metatarsal and auricular artery confirmed the presence of differential hypoxia. This technique is not known to have been described previously in the diagnostic investigation of r-PDA in dogs.

Animals↗
PubMed2005

Temporal regulation of cytokine mRNA expression in equine recurrent airway obstruction.

Acute and chronic inflammation of the airway remains an important health problem for equids. "Heaves" or recurrent airway obstruction (RAO) remains one of the most commonly diagnosed conditions affecting the lung of older horses in Europe and the United States. The typical clinical signs of RAO include non-productive coughing, serous nasal discharge, labored expiratory effort, and flaring of the nostrils. Auscultation of the lungs of the affected horse often reveals abnormal respiratory sounds, described as crackles and wheezes, throughout the area of the lung field. These clinical signs occur secondary to an inflammatory response that results in bronchospasm, excessive mucus production and airway obstruction. This inflammatory response is characterized by the presence of excessive mucus and inflammatory cells, primarily neutrophils, in the small airways. Most evidence suggests that RAO is the result of a pulmonary hypersensitivity to inhaled antigens. Exposure of affected horses to hay dust, pollens, and mold spores leads to neutrophil accumulation in the lung and bronchospasm. The identification of allergen-specific IgE in bronchoalveolar lavage (BAL) fluid and sera of affected horses supports the involvement of a late phase, IgE-mediated, hypersensitivity reaction in the pathogenesis of equine RAO. The production of IgE antibodies is regulated by the cytokines IL-4 and IL-13. Using a quantitative PCR method we have reported that horses with RAO exhibit a modified Type 2 cytokine response characterized by the production of IL-4 and IL-13 mRNA, but not IL-5 mRNA in BAL cells. Interferon-gamma mRNA was also elevated, suggesting a mixed response. While these results are consistent with equine RAO being the result of an aberrant Type 2 cytokine response to inhaled allergens, others have failed to find any evidence of elevated Type 2 cytokine mRNA in BAL from horses with "heaves". It is likely that these disparate results could be the result of differences in the clinical stage of the affected animals or the timing of sample collection. Here, we report a diverse pattern of cytokine gene expression when sampling a group of affected horses over a period of time.

Airway Obstruction↗
PubMed1988

Arteriovenous malformation of the mandible: report of case.

Arteriovenous malformations are rare, but, considering the life-threatening consequences of these lesions, they must constantly be considered in a differential diagnosis. The management of this patient from the initial symptoms emphasizes the need for a methodical approach to oral diagnosis using the fundamental techniques of inspection, auscultation, and palpation, as well as the more recent techniques of laboratory and radiographic evaluation.

Adult↗
PubMed1998

Comparative accuracy of three automated techniques in the noninvasive estimation of central blood pressure in men.

Automated devices have regularly replaced manual sphygmomanometry for the determination of blood pressure not only in homes and clinics, but also in emergency and critical care settings. Few studies exist that correctly assess the accuracy of these devices, and even fewer that specifically compare commercially available units that rely on different physiologic events for measurement. Six hundred pressure measurements were obtained from 120 subjects using 1 of 3 randomly selected blood pressure monitors. In addition, central arterial pressure measurements were obtained simultaneously and directly from the ascending aorta of each subject. Overall, these devices tended to overestimate diastolic (+2.5 mm Hg, p < 0.0001) and mean (+3.8 mm Hg, p < 0.0001) pressures, but not systolic (+0.7 mm Hg, p = NS) pressure. Compared with the other 2 devices, device I, relying on oscillometric detection, demonstrated a significantly smaller mean absolute error for diastolic pressure (4.9 +/- 3.0 vs 7.0 +/- 4.8 and 6.2 +/- 5.3 mm Hg, p < 0.0001) and mean pressure (4.0 +/- 3.2 vs 7.8 +/- 5.9 and 8.6 +/- 7.5 mm Hg, p < 0.0001), and a trend toward smaller error with systolic pressure (6.8 +/- 6.5 vs 7.3 +/- 6.8 and 8.0 +/-5.6 mm Hg, p = 0.19). Clinically significant (+/-10 mm Hg) errors were common with each device (24.8% overall), but serious (+/-20 mm Hg) errors were unusual (3.2%) and did not occur at all with device I during diastolic and mean pressure measurement. All of the devices tested could be expected to perform satisfactorily in most clinical settings provided that an average error of 4.0 to 8.6 mm Hg is tolerable. This level of accuracy typically extended throughout the range of pressures anticipated in most noncritical clinical situations. As implemented in the devices tested, noninvasive measurement by oscillometry with stepped deflation is more accurate than automated auscultation.

Adult↗
PubMed2002

Cases from the Osler Medical Service at Johns Hopkins University. Scedosporium apiospermum mycetoma of the lung.

PRESENTING FEATURES: A 42-year-old man was admitted with a chief complaint of cough and night sweats of 2 months' duration. The cough produced brown sputum but no blood. He also reported drenching sweats every night for the last several weeks before admission. He attributed his cough to exposure to dust while working on demolishing a funeral home 2 months ago; he denied any history of respiratory symptoms before this recent job. The patient smoked less than one pack of cigarettes per week during the previous year. He had no history of tuberculosis or contact with infected persons. He denied a history of severe lung infection, asthma, sinus disease, or overseas travel, as well as behaviors that are risk factors for human immunodeficiency virus (HIV) infection, such as intravenous drug use or multiple sexual partners.His physical examination was notable for a temperature of 101.4 degrees F and an oxygen saturation of 98% on room air. In general, he was thin, although well in appearance, and not visibly short of breath. His lungs were clear to auscultation. Laboratory studies and urinalysis were normal.A chest radiograph showed a 3-cm by 2-cm mass with a surrounding cavity in the right upper lobe (Figure 1). A subsequent chest computed tomographic scan showed a 5-cm by 4-cm cavity in the right upper lobe, with surrounding infiltrates as well as a mass within the cavity suspicious for a fungus ball (Figure 2). Patchy infiltrates were also seen in the left and right lower lobes. What is the diagnosis?

Adult↗
PubMed1996

On intrapartum fetal monitoring.

The currently advised conduct for intrapartum surveillance of the fetus is either intermittent auscultation of continuous electronic monitoring, depending on the physician's preference. This applies to all, normal or high-risk, conditions. The bases for this recommendation, a number of controlled studies comparing the two methods, showed no better neonatal outcomes and increased cesarean section rates with electronic fetal monitoring. A review of the works pertaining to fetal development of cardiovascular and central nervous systems and their response to various pathophysiologic conditions (in animals and humans) was carried out in an effort to find an explanation for this apparently uncongruous position. It was found that fetal responses to seemingly comparable conditions are radically different depending on age of gestation. Many authors have pointed this out for the human fetus. However, for interpretation of electronic fetal monitoring in labor, various standard, nondescriptive, confusing words are used to imply the need for rapid intervention. The complete lack of uniform interpretation has been shown in studies comparing interobserver and intraobserver variations. This may be the consequence of poor or superficial teaching of a tool that requires much study and hard work for useful application. The inescapable conclusion is unpleasant but inevitable: to use electronic fetal monitoring properly it is necessary to start a new learning of the physiology of the fetus, its changing evolution as pregnancy advances, its different responses under stress or distress, and the various ways these are represented in electronic fetal monitoring tracings. These efforts take dedication and time spent in labor suites collating tracings with neonatal condition. Only by doing this will it be possible to assist the laboring patients with a useful tool that, so far, has not been adequately applied because of insufficient understanding.

Animals↗
PubMed2003

Aorto-right atrial fistula.

We report a child in whom a fistula connected the descending thoracic aorta to the right atrium. This is a previously unreported cardiac malformation. The patient was initially misdiagnosed as having a patent ductus arteriosus (PDA). On clinical examination and auscultation, the problem was different from PDA in that the continuous machinery murmur was better heard on the right parasternal area and posteriorly on the left. Surgical ligation of the fistula through a left thoracotomy abolished the murmur.

Aorta, Thoracic↗