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1.
Br J Gen Pract ; 54(498): 20-4, 2004 Jan.
Article in English | MEDLINE | ID: mdl-14965402

ABSTRACT

BACKGROUND: The majority of patients with lower respiratory tract infections (LRTIs) are treated with antibiotics; some of them are unnecessary because of a viral cause. Information on prediction of the aetiology, especially in a general practice setting, is missing. AIM: To differentiate between viral and bacterial LRTI on simple clinical criteria, easily obtained at the bedside. DESIGN OF STUDY: Prospective observational study. SETTING: General practices in the Leiden region of The Netherlands. METHOD: Adult patients with LRTI were included. Standard medical history and physical examination were performed. Sputum, blood and throat swabs were collected for diagnostic tests. According to microbiological findings, patients were classified as bacterial, viral, dual infection and unknown cause. In a logistic regression model independent predictors were determined. Scoring systems were developed. The accuracies of the diagnostic rules were tested by using receiver operating characteristic (ROC) curves. RESULTS: One-hundred and forty-five patients were classified as having bacterial (n = 35), viral (n = 49), or dual infection (n = 8), or infection of unknown cause (n = 53), respectively. Independent predictors for bacterial infection were fever (odds ratio [OR] = 8.0; 95% confidence interval [CI] = 0.9 to 71.0), headache (OR = 4.3; 95% CI = 1.0 to 19.1) cervical painful lymph nodes (OR = 8.7; 95% CI = 1.1 to 68.0), diarrhoea (OR = 0.3; 95% CI = 0.1 to 1.0) and rhinitis (OR = 0.3; 95% CI = 0.1 to 0.9). As an additional independent predictor, an infiltrate on chest X-ray (OR = 5.0; 95% CI = 1.2 to 20.5) was found. The diagnostic rules developed from these variables classified the aetiology of LRTI with a ROC curve area of 0.79 (clinical score), 0.77 (simplified score) and 0.83 (extended score). CONCLUSIONS: A diagnostic rule was developed, based on information that is easy to obtain at the bedside, to predict a bacterial infection. This diagnostic rule may be a tool for general practitioners in their management of patients with LRTI.


Subject(s)
Bacterial Infections/diagnosis , Respiratory Tract Infections/microbiology , Virus Diseases/diagnosis , Anti-Bacterial Agents/therapeutic use , Bacterial Infections/drug therapy , Epidemiologic Methods , Family Practice , Female , Humans , Male , Middle Aged , Netherlands , Physical Examination , Respiratory Tract Infections/drug therapy , Respiratory Tract Infections/virology , Sputum
2.
Br J Gen Pract ; 54(498): 15-9, 2004 Jan.
Article in English | MEDLINE | ID: mdl-14965401

ABSTRACT

BACKGROUND: There are few investigations into the aetiology of lower respiratory tract infections (LRTIs) in general practice. AIM: To describe the aetiology of LRTI among adult patients in general practice in The Netherlands. DESIGN OF STUDY: Prospective observational study. SETTING: General practices in the Leiden region, The Netherlands. METHOD: Adult patients with a defined LRTI were included. Standard medical history and physical examination were performed. Sputum, blood and throat swabs were collected for diagnostic tests. Aetiological diagnosis, categorised as definite or possible, was based on the results of bacterial and viral cultures, serological techniques, and on polymerase chain reaction. Proportions of pathogens causing LRTI were assessed in relation to chest X-ray findings. RESULTS: A bacterial cause was established in 43 (30%), and a viral cause in 57 (39%) of the 145 patients with a LRTI. Influenza virus A was the most frequently diagnosed microorganism, followed by Haemophilus influenzae, and Mycoplasma pneumoniae. Streptococcus pneumoniae was found in 6% of the patients. CONCLUSIONS: Pathogens were found in two-thirds of the patients. In half of these patients there was a viral cause. Influenza virus A was the most frequently found pathogen. The treatment with antibiotics of at least one-third of the patients with LRTI was superfluous. This observation should result in changes in the prescription of antibiotics in LRTI.


Subject(s)
Respiratory Tract Infections/microbiology , Adolescent , Adult , Family Practice , Female , Humans , Male , Middle Aged , Netherlands/epidemiology , Prospective Studies , Respiratory Tract Infections/virology , Serologic Tests
3.
J Neurol ; 250(10): 1162-8, 2003 Oct.
Article in English | MEDLINE | ID: mdl-14586595

ABSTRACT

OBJECTIVE: To evaluate the "Belastungsfragebogen Parkinson Angehörigen-kurzversion" (BELA-A-k), a questionnaire for measuring psychosocial problems and need for help in Parkinson's disease (PD) caregivers. METHODS: The "Belastungsfragebogen Parkinson Angehörigen-kurzversion" was translated into Dutch. It consists of 15 items with a "Bothered by" (Bb) and a "Need for Help" (NfH) score. The BELA-A-k was tested for cultural differences, relevance and feasibility in a pilot (n = 10). We determined the psychometric properties in a validation study (n = 50) and compared the BELA-A-k with the Sickness Impact Profile, the COOP/WONCA Functional Health Assessment Charts and the Loneliness Questionnaire (de Jong-Gierveld). All questionnaires were administered in person at home, in a prescribed order. RESULTS: The BELA-A-k was completed by 60 PD-caregivers. The internal-consistency reliability coefficients for the total "Bothered by" (0.90) and "Need for Help" (0.92) scales were excellent. The internal consistency of the subscales exceeded the 0.70 standard except for the "Bothered by" and "Need for Help" Social functioning scale (Bb = 0.62; NfH = 0.65) and the Partner-bonding/Family scale (NfH = 0.69). Almost all BELA-A-k subscales correlated highly (P < 0.001) with the corresponding scales of the standard quality of life indices. CONCLUSION: The BELA-A-k is a relevant, reliable and valid measure for assessing psychosocial problems and need for help of PD-caregivers.


Subject(s)
Caregivers/psychology , Mental Health , Parkinson Disease/therapy , Social Support , Surveys and Questionnaires , Aged , Aged, 80 and over , Cultural Characteristics , Female , Humans , Language , Loneliness , Male , Middle Aged , Netherlands , Psychometrics , Reproducibility of Results
4.
Mov Disord ; 18(5): 503-9, 2003 May.
Article in English | MEDLINE | ID: mdl-12722163

ABSTRACT

Our objective was to evaluate the BELA-P-k, a questionnaire for measuring psychosocial problems and need for help in Parkinson's disease (PD) patients. The Belastungsfragebogen Parkinson kurzversion (BELA-P-k) was translated from German into Dutch. It consists of 19 items distributed over four subscales: achievement capability/physical symptoms, fear/emotional functioning, social functioning and partner-bonding/family, with a "Bothered by" (Bb) and a "Need for Help" (NfH) score. The BELA-P-k was tested for cultural differences, relevance, and feasibility in a pilot study (n = 10) and compared in a validation study (n = 54) with the Sickness Impact Profile, the COOP/WONCA Functional Health Assessment Charts and the Loneliness Questionnaire. All questionnaires were administered in person at home, in a prescribed order. The BELA-P-k was completed by 64 patients with PD. The internal-consistency reliability coefficients for the total Bb (0.90) and NfH (0.93) scales were excellent. The internal consistency of the subscales exceeded the 0.70 standard except for the "Bothered by partner-bonding/family scale" (0.61). Almost all BELA-P-k subscales correlated highly (P < 0.001) with the corresponding scales of the standard quality-of-life indices. There was no significant relationship between disease severity (Hoehn and Yahr) and the BELA-P-k. We conclude that the BELA-P-k is a relevant, reliable and valid measure for assessing psychosocial problems and need for help of PD patients.


Subject(s)
Parkinson Disease/psychology , Surveys and Questionnaires , Affect , Aged , Aged, 80 and over , Culture , Feasibility Studies , Female , Health Services Needs and Demand , Humans , Male , Middle Aged , Needs Assessment , Pilot Projects , Psychology , Reproducibility of Results
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