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پروکلسیتونین بیومارکری برای افتراق سندرم پاسخ التهابی منتشر از سپسیس(مطالعه پایلوت)

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تقی زاده, سپهر
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Abstract
Sepsis is a serious condition that is associated with high morbidity and mortality rate. Although the true selection of antibiotics can reduce the overall mortality and morbidity of sepsis, the over usage and aberrant consumption of antibiotics can causes different side effects and antimicrobial resistances. The aim of this study was to determine the serum levels of Procalcitonin (PCT) and its role in differentiating the SEPSIS from patients with probable SIRS in patients referring to Tabriz Imam Reza hospital. Methods and materials: In a cross-sectional study conducted on patients with SIRS, Procalcitonin levels were evaluated in for detecting the sepsis. This pilot study was conducted on 35 adult patients older than 12 years admitted to hospital Imam Reza (AS) in Tabriz in 1391 and 1392 with SIRS and suspected sepsis all patients suspected for sepsis underwent blood, urine and CSF culture if necessary. Of all patients, blood samples were taken and after centrifuge during 4 minutes, plasma was separated for measuring the Procalcitonin serum level. The levels of Procalcitonin were measured using Lio isan Brahmas pct kit of Italy with immune assay quantitative method. Results : In a cross-sectional study that performed the department of infectious diseases in Tabriz university of Medical Sciences on patients with SIRS, Procalcitonin levels were evaluated in for detecting the sepsis. The mean age of patients was 59.7722.21 years in the range of 19 to 91 years. 21 patients (60%) was male and 14(40%) was female. Of 35 studied patients, 45.71% of them had Sepsis and 54.29% of them had SIRS. Cut of point of Procalcitonin for differentiating inflammatory response syndrome (SIRS) of sepsis was 0.075 and sensitivity, Specificity, positive predictive value and negative predictive value was 81%, 79%, 76% and 83%, respectively. Checking the PCT is a method of high specificity and low sensitivity for the detection of bacterial infections, particularly in the case of a positive blood culture. It can be used in cases of suspected sepsis to begin antimicrobial therapy until blood culture results. The high cost of testing has prevented it from routine testing., هدف از این مصالعه، بررسی پروکلسیتونین بیومارکری برای افتراق سندرم پاسخ التهابی منتشر از سپسیس(مطالعه پایلوت) می باشد.این مطالعه به صورت پایلوت بر روی 35 بیمار بالغ بزرگتر از 12 سال مراجعه کننده به بیمارستان امام رضا(ع)تبریز در سال 1391 و 1392با علامتهای مثبت سندرم پاسخ التهابی عمومی و مشکوک به سپسیس انجام شد. در مدت زمان 8 ماه از تمام 35 بیمار نمونه خون جهت جدا کردن پلاسمای آنان گرفته شد و پس از انجام سانتریفیوژ به مدت چهار دقیقه و جدا کردن پلااسما از سلولها، پلاسمای جدا شده بلا فاصله به میزان 1سی سی جهت اندازه گیری سطح پروکلسیتونین به روش ایمونولومینومتریک (براهام دیاسورین-ایتالیا) به آزمایشگاه ارسال شد. و داده های به دست آمده از مطالعه به وسیله آزمونهای آماری نرم افزار SPSS.16مورد آنالیز قرار گرفت.از 35 بیمار برسی شده در این مطالعه 45.71درصد SEPSIS داشته و 54.29 درصد سندرم پاسخ التهابی سیستمیک (SIRS) داشتند.نقطه برش پروکلسیصتونین برای افتراق SIRS از سپسیس 0.75نانو گرم در میلی لیتر بود. با استفاده از فرمول‌صهای محاسبه شده حساسیت81%، اختصاصیت79%، مقدار پیشگویی کننده مثبت 76% و مقدار پیشگویی کننده منفی 83%بد.این مقادیر برای نقطه برش 0.75 نانو گرم در میلی لیتر بدست آمد.
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http://dspace.tbzmed.ac.ir:8080/xmlui/handle/123456789/21372
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