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10.1097/MD.0000000000010150 http://scihub22266oqcxt.onion/10.1097/MD.0000000000010150 C5902281!5902281 !29620628     free     free     free Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=29620628 &cmd=llinks): Failed to open stream: HTTP request failed! 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The significance of bacterial engulfment in Gram-stained sputum in patients with respiratory infections |pdf=|usr=}}{{29620628 }} gab.com Text The significance of bacterial engulfment in Gram-stained sputum in patients with respiratory infections JO: Medicine (Baltimore) http://www.kidney.de/pget.php?&tw=1&pmid=29620628 #FOAvip In general, physicians believe that the presence of bacterial engulfment in white blood cells (WBCs) on Gram-stained sputum is a hallmark of lower respiratory infection. However, no studies have described the significance or diagnostic accuracy of engulfment in lower respiratory tract infections.We prospectively studied sputum samples by Gram staining (Favor method) for their quality and engulfment score in WBCs obtained from patients with respiratory symptoms at inpatient and outpatient settings at Kyorin University Hospital between December 2012 and April 2015.A total of 163 patients were enrolled. The patients were classified into an infection (n?=?93) or non-infection (n?=?70) group based on clinical or radiological findings prior to the evaluation of sputum samples. The proportion of engulfment-positive cases was equal in the infection and non-infection groups (49.5% vs 35.7%, P?=?0.11). In the infection group, the engulfment score (%) for Streptococcus pneumoniae was significantly lower (median 3%, interquartile range [IQR]: 2% to 5%, P?=?0.005) than that of the non-S. pneumoniae bacteria (H. influenzae, M. catarrhalis, and methicillin-susceptible Staphylococcus aureus (MSSA))(median 22.5%, IQR: 17% to 35.5%). The engulfment score of S. pneumoniae in the WBC was low in the infection group, and no cases were recognized in the non-infection group. Using a cut-off value of 3%, the diagnostic accuracy for infection was as follows: sensitivity: 50%, specificity: 65.7%, and area under the curve (AUC): 0.579 (95% CI 0.464 to 0.694). For the non-S. pneumoniae bacteria (H. influenzae, M. catarrhalis, and MSSA), the engulfment score was significantly higher in the infection group (median 22.5%, IQR 17 to 35.5%) than in the non-infection group (median 6.0%, IQR: 3 to 13%, P?=?0.011), and the diagnostic accuracy for infection was as follows: sensitivity: 75%, specificity: 85.7%, and AUC: 0.902 (95% CI 0.75 to 1.00) when the threshold for the engulfment score was defined as 18%.This study provides the first evidence that the engulfment of bacteria in WBCs is not always indicative of infection and that the engulfment score can fluctuate according to the pathogen. Twit Text FOAVip The significance of bacterial engulfment in Gram-stained sputum in patients with respiratory infections ????Medicine (Baltimore) http://www.kidney.de/pget.php?&tw=1&pmid=29620628 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=29620628 #FOAvip English Wikipedia <ref>{{Cite pmid|29620628 }}</ref> The significance of bacterial engulfment in Gram-stained sputum in patients with respiratory infections #MMPMID29620628 Shimoda M ; Saraya T ; Yonetani S ; Araki K ; Takizawa H Medicine (Baltimore) 2018[Apr]; 97 (14 ): e0150 PMID29620628 show ga In general, physicians believe that the presence of bacterial engulfment in white blood cells (WBCs) on Gram-stained sputum is a hallmark of lower respiratory infection. However, no studies have described the significance or diagnostic accuracy of engulfment in lower respiratory tract infections.We prospectively studied sputum samples by Gram staining (Favor method) for their quality and engulfment score in WBCs obtained from patients with respiratory symptoms at inpatient and outpatient settings at Kyorin University Hospital between December 2012 and April 2015.A total of 163 patients were enrolled. The patients were classified into an infection (n?=?93) or non-infection (n?=?70) group based on clinical or radiological findings prior to the evaluation of sputum samples. The proportion of engulfment-positive cases was equal in the infection and non-infection groups (49.5% vs 35.7%, P?=?0.11). In the infection group, the engulfment score (%) for Streptococcus pneumoniae was significantly lower (median 3%, interquartile range [IQR]: 2% to 5%, P?=?0.005) than that of the non-S. pneumoniae bacteria (H. influenzae, M. catarrhalis, and methicillin-susceptible Staphylococcus aureus (MSSA))(median 22.5%, IQR: 17% to 35.5%). The engulfment score of S. pneumoniae in the WBC was low in the infection group, and no cases were recognized in the non-infection group. Using a cut-off value of 3%, the diagnostic accuracy for infection was as follows: sensitivity: 50%, specificity: 65.7%, and area under the curve (AUC): 0.579 (95% CI 0.464 to 0.694). For the non-S. pneumoniae bacteria (H. influenzae, M. catarrhalis, and MSSA), the engulfment score was significantly higher in the infection group (median 22.5%, IQR 17 to 35.5%) than in the non-infection group (median 6.0%, IQR: 3 to 13%, P?=?0.011), and the diagnostic accuracy for infection was as follows: sensitivity: 75%, specificity: 85.7%, and AUC: 0.902 (95% CI 0.75 to 1.00) when the threshold for the engulfment score was defined as 18%.This study provides the first evidence that the engulfment of bacteria in WBCs is not always indicative of infection and that the engulfment score can fluctuate according to the pathogen. |Aged [MESH] |Area Under Curve [MESH] |Female [MESH] |Gentian Violet [MESH] |Gram-Positive Bacteria/isolation & purification/*physiology [MESH] |Gram-Positive Bacterial Infections/*diagnosis/microbiology [MESH] |Host-Pathogen Interactions/*physiology [MESH] |Humans [MESH] |Leukocyte Count [MESH] |Leukocytes/*microbiology [MESH] |Male [MESH] |Methicillin-Resistant Staphylococcus aureus/isolation & purification/physiology [MESH] |Phenazines [MESH] |Prospective Studies [MESH] |Respiratory Tract Infections/*diagnosis/microbiology [MESH] |Sensitivity and Specificity [MESH] |Sputum/*microbiology [MESH]The significance of bacterial engulfment in Gram-stained sputum in pat(epmc).pdf DeepDyve Pubget Overpricing