#16
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Ãèïåðñåãìåíòàöèÿ íåéòðîôèëîâ ïðè ÆÄÀ èëè ëàòåíòíîì ÆÄ íàáëþäàåòñÿ èç-çà îäíîâðåìåííîãî ïîãðàíè÷íîãî óðîâíÿ ôîëèåâîé, êàê ïîêàçàëà íåäàâëÿÿ ðàáîòà èç Èðàíà:
...correlation between neutrophilic hypersegmentation (NH) and decreased serum iron/ferritin levels ... With logistic regression analysis, it was observed that the relation between NH and ID/IDA is due to concomitant low normal folate levels... The detection of NH in a peripheral blood smear of patients with ID/IDA is a possible reason for a coexistence of mild folate deficiency. It is suggested that in addition to ID/IDA, latent folate deficiency should be investigated in these patients. --- Clin Lab. 2014;60(3):517-22. The association between neutrophilic hypersegmentation and iron deficiency with regard to folate status in 16-30 year-old women. Manavifar L, è ñîàâò.
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Èñêðåííå, Âàäèì Âàëåðüåâè÷. |
#17
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ñîîòíîøåíèå ÀÑÒ/ÀËÒ: èñòîðèÿ, ïàòîôèçèîëîãèÿ è êëèí. çíà÷åíèå
The De Ritis Ratio: The Test of Time
[Ññûëêè äîñòóïíû òîëüêî çàðåãèñòðèðîâàííûì ïîëüçîâàòåëÿì ]
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Èñêðåííå, Âàäèì Âàëåðüåâè÷. |
#18
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ïîñëåäíèé âûïóñê æóðíàëà International Journal of Laboratory Hematology îòêðûò äëÿ ñâîáîäíîãî äîñòóïà:
â íåì - ëåéêîöèòîç è òðîìáîöèòîïåíèÿ, ãåïàðèí-èíäyöèð. òðîìáîöèòîïåíèÿ, ëàá. äèàãíîñòèêà ÀÔÑ ñèíäðîìà è ÄÂÑ, òåñòèðîâàíèå àíòèêîàã. áåëêîâ, íîâûå òåñò-ñèñòåìû äëÿ äèàãíîçà áîëåçíè ôîí Âèëëåáðàíäà, êàê âëèÿþò íîâûå àíòèêîàãóëÿíòû íà êîàã. òåñòû, äèàãíîñòèêà òðîìáîöèòîïàòèé è ìíîãîå äðóãîå... [Ññûëêè äîñòóïíû òîëüêî çàðåãèñòðèðîâàííûì ïîëüçîâàòåëÿì ]
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Èñêðåííå, Âàäèì Âàëåðüåâè÷. |
#19
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ïîïàëîñü
Impact of blood collection devices on clinical chemistry assays Clinical Biochemistry 43 (2010) 4–25 [Ññûëêè äîñòóïíû òîëüêî çàðåãèñòðèðîâàííûì ïîëüçîâàòåëÿì ]
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Èñêðåííå, Âàäèì Âàëåðüåâè÷. |
#20
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Clinical Chemistry July 1999 vol. 45 no. 7 942-956
Human Anti-Animal Antibody Interferences in Immunological Assays [Ññûëêè äîñòóïíû òîëüêî çàðåãèñòðèðîâàííûì ïîëüçîâàòåëÿì ]
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Èñêðåííå, Âàäèì Âàëåðüåâè÷. |
#21
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D-Dimer in acute care
[Ññûëêè äîñòóïíû òîëüêî çàðåãèñòðèðîâàííûì ïîëüçîâàòåëÿì ]
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Èñêðåííå, Âàäèì Âàëåðüåâè÷. |
#22
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Èíòåðåñíûé îáçîð, ñïàñèáî.
Áóêâàëüíî â÷åðà îò êîëëåãè óñëûøàëà, ÷òî Ä-äèìåð - ïðåäèêòîð îíêîëîãè÷åñêèõ çàáîëåâàíèé. Èíôîðìàöèåé îá ýòîì íå âëàäåþ. Íî î÷åíü ñîìíåâàþñü... Òî, ÷òî îí ìîæåò áûòü ïîâûøåí ïðè óæå ñóùåñòâóþùåì îíêîçàáîëåâàíèè, ñîïðîâîæäàþùåìñÿ óñèëåííûì òðîìáîîáðàçîâàíèåì è ôèáðèíîëèçîì, ïîíÿòíî, íî â êà÷åñòâå ïðåäèêòîðà ??? |
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#23
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Ïîêà òîëüêî íà óðîâíå åäèíè÷íûõ ñëó÷àåâ, êàê òàêîé íàïðèìåð
Increased D-dimer value and occult cancer in the absence of detectable thrombosis [Ññûëêè äîñòóïíû òîëüêî çàðåãèñòðèðîâàííûì ïîëüçîâàòåëÿì ] Ïîâûøåííûé Ä-äèìåð ïðè óñòàíîâëåííîé îïóõîëè êàê ïðàâèëî àññîöèèðóåòñÿ ñ õóäøèì ïðîãíîçîì
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Èñêðåííå, Âàäèì Âàëåðüåâè÷. |
#24
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Òîãäà ñêîðåå íå ïðåäèêòîð, à ìàðêåð óæå ñóùåñòâóþùåé, íî ñêðûòîé îíêîëîãèè?
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#25
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Åùå îäíî ñâèäåòåëüñòâî, ÷òî õðàíåíèå/òðàíñïîðòèðîâêà êðîâè ñíèæàþò àáñ. ÷èñëî íåéòðîôèëîâ (è ìîíîöèòîâ), ïîýòîìó â òðàíñïîðòèðîâî÷íûõ îáðàçöàõ ÷àùå áóäåò âûÿâëÿòñÿ èäèîïàòè÷åñêàÿ íåéòðîïåíèÿ, êîòîðàÿ ìîæåò ïðèâîäèòü ê íåíóæíûì âîëíåíèÿì è íàïðàñíûì äîîáñëåäîâàíèÿì:
Clin Biochem. 2013 Feb;46(3):278-81. Comparison of hematologic measurements between local and central laboratories: data from the BABY HUG trial. Kalpatthi R1, Thompson B, Lu M, Wang WC, Patel N, Kutlar A, Howard T, Luchtman-Jones L, Miller ST; BABY HUG Investigators. Children's Mercy Hospitals and Clinics, Kansas City, MO, USA. OBJECTIVES: To investigate the concordance of blood count indices measured locally and at a central laboratory. DESIGN AND METHODS: In a multi-center clinical trial of hydroxyurea therapy in infants with sickle cell anemia (BABY HUG), the concordance between blood count indices measured locally and at a central laboratory was investigated. RESULTS: Local laboratory measurements of neutrophil and monocyte counts were significantly higher (44% and 37%, respectively) compared to the central measurements (p<0.0001), and mean corpuscular volume (MCV) was higher centrally. CONCLUSION: Overnight shipping with processing delay causes spurious reductions in absolute neutrophil count (ANC) and absolute monocyte count (AMC) that may result in incorrect monitoring decisions in multicenter clinical trials.
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Èñêðåííå, Âàäèì Âàëåðüåâè÷. |
#26
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Ïðîäîëæàÿ òåìó ïñåâäîíåéòðîïåíèé, íåñêîëüêî êåéñîâ î ÝÄÒÀ-çàâèñèìîé íåéòðîôèëüíîé àããëþòèíàöèè:
Blood. 2011 Sep 15;118(11):2940. Leukoagglutination reported as platelet clumps. [Ññûëêè äîñòóïíû òîëüêî çàðåãèñòðèðîâàííûì ïîëüçîâàòåëÿì ] Blood. 2010 Feb 4;115(5):924. Leukoagglutination. [Ññûëêè äîñòóïíû òîëüêî çàðåãèñòðèðîâàííûì ïîëüçîâàòåëÿì ] Ann Biol Clin (Paris). 2010 Jul-Aug;68(4):480-4. XE-2100: platelet clumps or polymorphonuclear neutrophil aggregates, that is the question. Leukoagglutination of polymorphonuclear neutrophils is described as a rare phenomenon but its incidence is certainly underestimated. We report here 4 cases showing why this phenomenon is sometimes difficult to detect. In each case, the only flag reported from the hematology analyser XE-2100 (Sysmex corporation) was 'Platelet clumps?'. The graphic patterns were not suggestive of leukoagglutination but rather evoked platelet clumps. The 4 white blood cell differential scattergrams were absolutely normal and the 4 cases were not associated with leukoneutropenia. Two patients had clumps located only at the edges of the smears, and automated imaging processes, scanning only the center of the smears, may also contribute to the failure of recognising this phenomenon.
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Èñêðåííå, Âàäèì Âàëåðüåâè÷. |
#27
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Pseudoleukopenia due to ethylenediaminetetraace-tate induced leukoagg-lutination in a case of hypovolemic shock
[Ññûëêè äîñòóïíû òîëüêî çàðåãèñòðèðîâàííûì ïîëüçîâàòåëÿì ]
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Èñêðåííå, Âàäèì Âàëåðüåâè÷. |
#28
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Î÷åíü ïðèÿòíàÿ íàãëÿäíî-ïîíÿòíàÿ ñëàéä-ïðåçåíòàöèÿ ïî èíòåðïðåòàöèè ôîðåçîâ áåëêîâ êðîâè
Serum Protein Electrophoresis: what's behind the lab report? [Ññûëêè äîñòóïíû òîëüêî çàðåãèñòðèðîâàííûì ïîëüçîâàòåëÿì ]
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Èñêðåííå, Âàäèì Âàëåðüåâè÷. |
#29
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#30
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Laboratory Testing in the Era of Direct or Non–Vitamin K Antagonist Oral Anticoagulants: A Practical Guide to Measuring Their Activity and Avoiding Diagnostic Errors
[Ññûëêè äîñòóïíû òîëüêî çàðåãèñòðèðîâàííûì ïîëüçîâàòåëÿì ]
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Èñêðåííå, Âàäèì Âàëåðüåâè÷. |