May 22nd 2025
The WAYFINDER trial is the first to demonstrate the positive impact of the thymic stromal lymphopoietin antagonist on steroid-dependent severe asthma.
Evidence-Based Cardiovascular Disease Prevention: Challenges to Assessing Risk in Office Practice
November 1st 2005Cardiovascular (CV) risk-reduction regimens require comprehensive assessment, patient education, and follow-up, which can be difficult and time-consuming in a busy primary care practice. Moreover, compliance among patients at high risk can be poor. The use of evidence- based risk assessment checklists and patient education materials can enhance care and improve compliance; in addition, thorough documentation can ensure full reimbursement for services.
If You Use a Dry Powder Inhaler
November 1st 2005Millions of people with asthma and chronic obstructive pulmonary disease (COPD) use dry powder inhalers (DPIs). These devices are generally easier to use than metered-dose inhalers; however, errors still occur that may reduce the effectiveness of the drug.
Clinical Citations: Examining influences on asthma morbidity in an urban setting
November 1st 2005Although the National Asthma Education and Prevention Program's (NAEPP) guidelines for managing asthma have been widely disseminated, compliance has been less than impressive. Results of a study by Grant and associates in the Chicago area reveal a considerable discrepancy between the NAEPP's therapeutic goals and the asthma control level achieved.
Clinical Consultation: Does acetaminophen trigger--or even cause--asthma?
November 1st 2005The use of analgesics, specifically acetaminophen, has been proposed as one of the mechanisms for the rise in asthma prevalence in the last 30 to 40 years.1 Acetaminophen, approved by the FDA in 1951, is one of the most commonly used analgesics in adults and children. The association between asthma and acetaminophen has been reported in case reports, in the setting of oral challenge tests, and in larger clinical studies.2
Diagnostic Puzzlers: A case of new-onset wheezing during pregnancy
October 1st 2005A 24-year-old Korean woman, who was 20 weeks' pregnant, was referred to an allergist for an elimination diet and evaluation of the risk of allergies to her unborn child. She had a several-year history of perennial allergic rhinitis with seasonal exacerbations.
Clearing up chronic rhinosinusitis: Practical steps to take
October 1st 2005Abstract: Chronic rhinosinusitis can be caused or aggravated by a number of factors, including bacterial, viral, and fungal infections; asthma; allergies; and obstruction caused by nasal polyps or a deviated nasal septum. The diagnosis can usually be established clinically. Imaging studies are not routinely necessary, but a CT scan of the sinuses should be obtained if the patient has significant ocular or orbital symptoms or if sinus surgery is planned. Treatment consists of antibiotics, with consideration of a change in the regimen if the patient has already received a full course of a first-line agent. The course of treatment may need to extend to 4 weeks. Also consider adjunctive therapy, such as intranasal corticosteroids and decongestants. Patients who have allergic rhinitis may also benefit from an antihistamine and/or a leukotriene modifier. Sinus surgery is reserved for patients who do not respond to medical therapy. (J Respir Dis. 2005;26(10):415-422)
Clinical Consultation: Is scuba diving off-limits for patients with asthma or COPD?
October 1st 2005Under what circumstances would asthma or chronic obstructive pulmonary disease (COPD) be a contraindication to scuba diving? What precautions should patients with either asthma or COPD take if they are determined to go diving?
Why all patients with asthma do not require controller therapy
October 1st 2005Abstract: Although controller therapies are currently recommended for patients who have persistent asthma, a number of studies indicate that these therapies do not adequately control asthma in a substantial number of these patients. This observation, combined with the potential risk of adverse effects with corticosteroids, supports the conclusion that controller therapies are not appropriate for all patients. However, some patients who do not respond to one type of controller therapy will respond to another, which suggests that we might consider targeting specific medications to select patients. There is increasing evidence that certain biomarkers may be useful in guiding therapy. For example, levels of sputum eosinophils have been shown to predict which patients are at increased risk for deterioration of asthma when inhaled corticosteroids are withdrawn.
Why patients with asthma should be given a trial of controller therapy
October 1st 2005Abstract: There is convincing evidence that controller therapies, such as inhaled corticosteroids and leukotriene receptor antagonists, provide many benefits to patients with asthma. These benefits include decreased symptoms, improved lung function, reduced frequency of exacerbations, and improved quality of life. Even patients with mild asthma and normal lung function can benefit from controller therapy. A recent analysis of the burden of asthma suggests that the proportion of patients who have mild intermittent disease is much smaller than previously estimated and that many more patients have persistent asthma. This finding, in combination with the considerable variability of patient responses to therapy and the difficulty in predicting which patients will respond, underscores the importance of considering a trial of controller therapy in patients with asthma.
Managing asthma: Options for assessing severity and control
October 1st 2005Abstract: Pulmonary function tests, such as the measurement of forced expiratory volume in 1 second (FEV1) and peak expiratory flow (PEF), provide an objective, standardized, and quantifiable method of patient assessment and can be essential in the evaluation of asthma. However, FEV1 and PEF are relatively insensitive for detecting changes in persons with good baseline pulmonary function, and they do not directly measure worsening airway inflammation. One way to deal with the shortcomings of these tests is to include multiple outcomes assessment. Evaluating patient-oriented variables, such as symptoms, need for rescue medication, nocturnal awakenings, and unscheduled medical care visits, can detect clinically relevant changes that pulmonary function tests do not identify. Composite outcomes provide a more comprehensive approach to patient follow-up. For example, a patient who is considered to be a "nonresponder" to a given therapy on the basis of pulmonary function criteria might, in fact, be responding favorably according to assessment of composite outcomes. Two patient-centric tools for measuring outcome are the asthma control questionnaire and the asthma control test.
Using controller therapy in the management of asthma
October 1st 2005Dr Storms: Given that a patient's asthma varies quite a bit from day to day, and that controller therapies can prevent exacerbations, is there any role for using a controller medication as-needed rather than using it regularly? Could exacerbations be prevented if the patient has been educated to start treatment as soon as symptoms occur or peak expiratory flow (PEF) falls?
Recognizing the impact of obstructive sleep apnea in patients with asthma
Abstract: The coexistence of asthma and obstructive sleep apnea (OSA) in a given patient presents a number of diagnostic and treatment challenges. Although the relationship between these 2 diseases is complex, it is clear that risk factors such as obesity, rhinosinusitis, and gastroesophageal reflux disease (GERD) can complicate both asthma and OSA. In the evaluation of a patient with poorly controlled asthma, it is important to consider the possibility of OSA. The most obvious clues are daytime sleepiness and snoring, but the definitive diagnosis is made by polysomnography. Management of OSA may include weight loss and continuous positive airway pressure (CPAP). Surgical intervention, such as uvulopalatopharyngoplasty, may be an option for patients who cannot tolerate CPAP. Management may include specific therapies directed at GERD or upper airway disease as well as modification of the patient's asthma regimen. (J Respir Dis. 2005;26(10):423-435)
Inflammatory Seronegative Arthritis
September 14th 2005The 83-year-old woman whose hands are shown in photograph A had a severe flare of arthritis in the metacarpophalangeal and proximal interphalangeal (PIP) joints after corticosteroid therapy for her asthma was stopped. The clue to the diagnosis of psoriatic arthritis is in her fingernails, which show both pitting and onycholysis.
Cutaneous Mycobacterium Infection
This rash, which covered a 68-year-old woman's body, was noted to have worsened during the past 2 months. A cephalosporin antibiotic had failed to clear the condition. The patient, a nursing home resident, suffered from emphysema, asthma, and heart disease. She had been receiving oxygen therapy and prednisone for 1 year.
Wheezing Secondary to Obstructing Endobronchial Tumor
September 14th 2005With a 1-year history of episodic wheezing, a 62-year-old woman (a smoker for the past 30 years) was being treated for bronchial asthma, but bronchodilator therapy did not control her symptoms. She was hospitalized with worsening dyspnea and a 4.5-kg (10-lb) weight loss over the past 3 months. There was no hemoptysis.
Mucous Membrane Necrosis Secondary to OTC Bronchodilator Overuse
September 14th 2005A 35-year-old man was hospitalized with severe dehydration secondary to necrosis of the throat. He found oral intake impossible because of severe discomfort when swallowing. The patient took no prescription medications; he had not been hospitalized or seen by a medical practitioner recently.
Pulmonary Embolism and Deep Venous Thrombosis
September 14th 2005For 2 months, a 31-year-old woman had had dyspnea and dull, continuous retrosternal pain. She was admitted to the hospital, and a helical CT scan of the thorax identified a saddle pulmonary embolism. An ultrasonogram revealed deep venous thrombosis (DVT) in the left leg. Intravenous heparin was given; the patient was discharged, and warfarin was prescribed.