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1.
Artigo | IMSEAR | ID: sea-223607

RESUMO

Background & objectives: Several studies have been conducted globally to assess the impact of usage of mobile phones on quality and duration of sleep as also on day time sleepiness. The objective of the present study was to assess the effect of mobile phone usage on the quality and composition of sleep in a sample from Indian population. Methods: The study was conducted at two tertiary care hospitals in north India from July 2014 to September 2019. A total of 566 participants were recruited in this study from both the centres. Sleep quality was assessed with the help of the Pittsburgh Sleep Quality Index (PSQI) questionnaire. Subsequently, actigraphy was done in 96 participants and polysomnography in 95 participants. Results: Of the 566 participants, 128 (22.61%) had PSQI ?5, reflecting poor sleep quality. A higher use of mobile phone was significantly associated with a poor sleep quality as a component of PSQI questionnaire (P=0.01) and higher overall PSQI score (P=0.01). The latency from sleep onset to N2 and N3 sleep stages was significantly shorter in participants having a higher mobile phone usage as compared to those with a lower usage [Median (range): 13.5 min (1.5-109) vs. 6.5 min (0-89); P=0.02] and [Median (range): 49 min (8.5-220.5) vs. 28.75 min (0-141); P=0.03], respectively. Interpretation & conclusions: This study focused on the maladaptive changes brought on by mobile phone usage on sleep. More studies with larger sample sizes need to be done that may serve to confirm the hypothesis generating findings of our study

2.
Indian J Pathol Microbiol ; 2016 Oct-Dec 59(4): 499-503
Artigo em Inglês | IMSEAR | ID: sea-179654

RESUMO

Context: Chlamydophila pneumoniae is a common cause of community‑acquired respiratory infections, including pneumonia, bronchitis, and upper respiratory tract infections. Since it is difficult to detect C. pneumoniae in clinical practice, specific etiological diagnosis is established only in a minority of cases. Aims: To investigate the role of C. pneumoniae in community‑acquired lower respiratory tract infections (LRTIs) in children, with the use of serological tests and nested polymerase chain reaction (PCR) analysis. Settings and Design: One hundred children, age of 2 months to 12 years, hospitalized for community‑acquired LRTIs were investigated for C. pneumoniae etiology. Materials and Methods: We investigated 100 children hospitalized for community‑acquired LRTIs, using enzyme‑linked immunosorbent assay for detecting anti‑C. pneumoniae immunoglobulin M, and immunoglobulin G antibodies and nasopharyngeal aspirates for analysis of C. pneumoniae PCR. The demographic, clinical, and radiological findings for C. pneumoniae antibody positive and C. pneumoniae antibody negative cases were compared. Statistical Analysis Used: Data analysis was performed by Chi‑square test and Fisher’s exact tests using Epi Info (2002). Results: Clinical and radiological findings in both the groups were comparable. A relatively higher rate of C. pneumoniae infection in children was observed below 5 years of age. Serological evidence of C. pneumoniae infection was observed in 12 (12%) patients and nested PCR was positive in 5 (5%) children. Thirteen (13%) patients were diagnosed with C. pneumoniae infection by serology and/or nested PCR. Conclusions: Our study confirms that C. pneumoniae plays a significant role in community‑acquired LRTIs in children of all ages, even in children aged <5 years.

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