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J Clin Sleep Med ; 15(7): 957-963, 2019 Jul 15.
Artigo em Inglês | MEDLINE | ID: mdl-31383232


STUDY OBJECTIVES: Systemic hypertension is highly prevalent in obstructive sleep apnea (OSA) but there are limited data on OSA prevalence in cohorts with hypertension comparing dippers and nondippers. We investigated this relationship in a clinic-based cohort of patients with hypertension who were not screened for any pretest possibility of OSA. METHODS: A total of 100 patients with hypertension aged (mean ± SD) 58 ± 10 years, body mass index 30.5 ± 6.1 kg/m2, and Epworth Sleepiness Scale score 6 ± 4 were included. All underwent overnight attended sleep studies and 24-hour ambulatory blood pressure monitoring. The primary study end-point was OSA prevalence based on the standard criteria of apnea-hypopnea index (AHI) ≥ 15 events/h in patients with dipping and nondipping nocturnal blood pressure. RESULTS: Results showed 10.5% of dippers and 43.5% of nondippers had an AHI ≥ 15 (chi-square P = .001). In univariate analysis, AHI correlated significantly with blood pressure dip (r = -.26, P < .05), as did ESS (r = -.28, P < .05). In linear regression, AHI predicted the magnitude of blood pressure dip (standardised ß = -.288, P = .03), whereas age, body mass index, systolic blood pressure and diastolic blood pressure did not. CONCLUSIONS: Patients with nondipping nocturnal blood pressure are at high risk of OSA, regardless of symptom profile, which supports the recommendation that such patients should be assessed for co-existing OSA.

Klin Mikrobiol Infekc Lek ; 12(1): 25-8, 2006 Feb.
Artigo em Tcheco, Inglês | MEDLINE | ID: mdl-16508908


The article deals with the issue of virus hepatitis E (VHE) whose increased incidence emerged in some Moravian districts in the monitored period from January 2004 to June 2005. The uncoated RNA virus, which is not taxonomically classified at present, is considered to be a causative agent of VHE. In the BIO-PLUS, the company with limited liability, 1 078 sera samples from various hospital and outpatient departments were tested by the ELISA method. The positive IgG and IgM VHE antibodies were found in 24 cases, that corresponded to the clinic condition of patient and to the biochemical findings showing an acute hepatitis. Other virus hepatitis (VHA, VHB, VHC) as well as further hepatotrophic infections were negative in all cases. Until recently the VHE was considered as an imported infection from endemic areas. However, only seven of our 24 positive cases showed a stay abroad, the traveller history was negative in the rest. In our work 18 VHE cases, diagnosed in the infection departments of the hospitals in Breclav and Prostejov, are analysed in details in the referred period.

Doença Aguda , Hepatite E , República Tcheca/epidemiologia , Ensaio de Imunoadsorção Enzimática , Humanos , Imunoglobulina M/sangue , Incidência