Ret Tüpe

Ret Tüpe
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Bir kişiden birden fazla tüpe kan almak gerektiğinde öncelikle hemogram, koagülasyon ve sedimantasyon tüplerini doldurmaya dikkat edilmelidir. ... Retikülosit (kısaca RET şeklinde yazılır genellikle tahlil sonuçlarında) eritrositleri oluşturacak olan genç hücrelerdir. Bu hücreler kemik iliğinde üretilir ve kana geçtikten ...
PK ¢~ OST#£ 8 — Segmented Grand Totals.twbì½ÙŽãH²(ø>Àý ]ÜÁ‰îQGrßª3ëB µïûRh4¸J"¸‰‹Dòb€yšO™ ™?™/ #)RK(¶ªˆ ² …ÿùë ...
Bir cc kan bir tüpe konur üzerine 1 damla retikülosit boyası eklenir ve periferik yayma. retikülosit sayımı ...
an to descend, go down (both in general, and of the sun) anatri low, lower (specifically, the lower dialect of Chuvaš) ancah but, only, however. ankarti threšing yard; vegetable garden. anne mother; apat (Russ.) dinner, main meal of the day, whether at noon or evening. apla such, how, thus, so. appa elder sister.
Laboratuvarlarda numune ret nedenleri ve sayıları ile ilgili yapılmış çeşitli ... antikoagülanlı tüpe kan alındıktan sonra tüpün alt-üst edilmesinin ihmal edilmesi ...
Acil laboratuvarımızda preanalitik kaynaklı ret ... numune, numunenin yanlış tüpe alınması, uygun olmayan taşıma ve depolama koşullarıdır (9,10). Sonuçların hatalı çıkmasına neden olacağından bu numunelerde testlerin çalışılması uygun değildir ve bu
Gıda ürünlerine ve akaryakıta gelen zamların ardı arkası kesilmezken bir zam da mutfak tüpüne geldi. Bugün gece yarısından itibaren LPG'ye gelen 30 kuruşluk zammın ardından 12 kilogramlık mutfak tüplerine 6 liralık zam olarak yansıdı. Zamdan önce 309 liraya satılan mutfak tüpleri bugün itibarıyla 315 liradan satılmaya ...
Bu verilere göre 3 aylık sürede numune ret oranı % 1,21'dir. Acil servislerden laboratuvarlara . ... (%2) yanlış tüpe örnek alımı, 18'i (%2) makraskobik hematüri ve 22'si (%2 ...
TEST ADI ÇALIŞMA NUMUNE ÖN HAZIRLIK NUMUNE ALIM KABUL(K)-RET (R) TRANSFER SONUÇ ZAMANI TÜRÜ GEREKSİNİMİ KURALLARI KRİTERLERİ ŞARTLARI ZAMANI ANTİ HBc IgM Her gün Serum Yok Yok K:Uygun tüpe alınması R:Hemoliz Soğuk zincir 2-8 C Ertesi gün 18.00 ANTİ HBe Her gün Serum Yok Yok K:Uygun tüpe alınması R:Hemoliz Soğuk zincir 2-8 C
1.PREANALİTİK SÜREÇ YÖNETİMİ. 1.Numune Alımı. ü Numunenin doğru zamanda alınması. ü Numunenin uygun yöntemle alınması. ü Numune alma zamanının kayıt altına alınması. ü Numune alımı ile ilgili eğitim verilmesi. 2.Numune Transferi. ü Numunenin uygun yöntemle transferi. ü Numunenin doğru sürede transferi.
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January 2012 Clinical Biochemistry 45(1-2):123-6
This person is not on ResearchGate, or hasn't claimed this research yet.
To read the full-text of this research, you can request a copy directly from the authors.
Errors in clinical laboratories have a great impact on safety and care of patients. The pre-analytical phase is responsible for about 70% of errors. Hence, the objective was to determine what types of pre-analytical errors for improvements at this stage, and contribute data to the literature.
Every three months during the study, the rejected blood samples were assessed for type of pre-analytical error and home care.
77,051 blood samples were collected in the search period, whereof 441 (0.57%) were rejected by some type of pre-analytical error and therefore had to be recollected. Clot was found to be the major cause of rejection of samples, 43.8%, followed by insufficient sample volume, 24%.
This study has shown that the most frequent causes of pre-analytical errors and rejection of samples corroborate those found in the literature.
... Unfortunately, little guidance is available for laboratories that find themselves with an excessive proportion of rejected specimens. Most studies that evaluated this issue in individual laboratories simply cataloged the reasons for rejection, including specimen hemolysis, clotting, mislabeled specimens, and insufficient quantity for test (2,6,(9)(10)(11)(12)(13)(14) (15) (16)(17)(18). Additionally, a separate body of literature has reported phlebotomy interventions to ameliorate specific acceptability issues, such as techniques to mitigate hemolysis (19)(20)(21) and incorrect labeling (22,23). ...
... While some previous single-institution studies of rejection patterns have reported that hemolysis is the predominant cause for specimen rejection (6,10,14,17), others have found a preponderance of clotted specimens (11,14), specimens with insufficient volume (12), and labeling irregularities (18). Yet other laboratories have reported a significant number of specimens in three or more of these categories (2,9,11, 15) . At JHBMC, clotted and hemolyzed specimens had nearly equal prevalence during the year of this investigation, together comprising 94.6% of rejected specimens. ...
... Second, this study highlights the fact that specimen acceptability issues can be heterogeneous even within a single hospital. While a few studies have tabulated locations of draw for rejected specimens (6, 15, 16), none have evaluated differences beyond broad inpatient, outpatient, or emergency categories. The more granular analysis of rejection rates across the various units at our institution allowed us to highlight large differences in rejection rates in different units, even beyond the well-established prevalence of specimen rejection in the ED (6,20). ...
Objectives:
Assessment of specimen rejection rates is an important laboratory quality measure for laboratories because of a potential negative impact on patient care. Here, we examined reasons for specimen rejection at a single, tertiary care healthcare institution and propose a framework for designing an efficient intervention.

Methods:
During a 1-year period, we identified all specimens rejected at our hospital and performed an analysis of a wide range of associated variables: reason for rejection, patient location, type of phlebotomist, tests ordered, priority status, collection container used, transport time.

Results:
Clotted and hemolyzed specimens accounted for the majority of rejected specimens, but significant differences in reasons for specimen rejection existed between patient care areas. Eighty-five percent of rejected specimens came from the Emergency Department and eight other inpatient care areas. Registered nurses drew approximately 85% of rejected specimens, while laboratory phlebotomy staff drew only 4%.

Conclusions:
While hemolysis and clotting are primary causes for specimen rejection, collection of all available data regarding specimen rejection data is essential for laboratories determining which factors are most significant causes of specimen rejection.
... The SRR was found to be 2.7% in our laboratory, reflecting the prepreanalytical error frequency in our hospitals. Studies of biochemistry and hematology specimens have reported SRRs from 0.3 to 1.4% [14] [15] [16][17]. Thus, the high SRR in our study prompted us to classify the rejection reasons in terms of pre-preanalytical errors to facilitate establishment of specific, targeted corrective actions and to implement an appropriate QI. ...
... The clotted specimen was the most frequent reason for rejection (55.8% of total rejections and 93% of specimen rejection reasons at acceptance). At a university hospital in Porto Allegre with 60 specialty areas and 750 beds, similar to our university hospitals, a high prevalence of clotted specimens (43.8%) was also reported [15] . Another study also indicated that clotting of specimens was the most common rejection reason, at 51.2% [14]. ...
... The second most common reason for rejection was inadequate volume (29.3% of total rejections and 86.4% of improper collection). Studies have reported rejection rates for insufficient volumes of 15-24% [6,13, 15, 18]. Insufficient volume was identified in our laboratory at a rate of 98.2%, with 1.8% of samples exhibiting excess volume. This rate was found to be particularly high for pediatric, neonate, oncology and intensive care patients (56% in both adult and pediatric inpatient services), largely due to the difficulty in accessing peripheral veins in these patients [19,20]. ...
Specific types of error should be identified and corrected in each laboratory to ensure quality results. The objectives of this study were: Design and methods Data on rejected biological specimens in the laboratory information system from January 2013 to January 2014 were analyzed. SSRs according to the type of pre-preanalytical error and collection area were determined.
In total, 971,780 biological specimens were received during the period and 26,070 (2.7%) specimens were rejected based on our laboratory rejection criteria. The most frequent reason for the rejection was the clotted specimen (55.8% of total rejections), followed by inadequate volume (29.3% of total rejections). Most of the clotted specimens were received from adult hospital inpatient services (54.3%), followed by pediatric hospital inpatient services (26.8%). High rates of inadequate volume were also observed in samples originating from adult and pediatric hospital inpatient services, especially in the premature, neonatal, intensive care, and oncology units.
The SSR of clotted specimens was selected as the QI for the preanalytical phase in our laboratory. The selected QI will help to define the effects of our specific interventions and corrective actions, and thus allow monitoring of quality improvement in our hospitals.
... Estima-se que em 2050 o número de idosos acima de 70 anos no Brasil será de aproximadamente 32,9% da população (atualmente representam 7,95%). Calcula-se que o aumento na expectativa de vida da população acrescentará 40% a mais de ações e serviços na área de saúde, associa-se a esse fato a convivência ao mesmo tempo de doenças antigas e novas epidemias como dengue, aids, acidentes de trânsito, uso indevido de drogas, obesidade, etc. (MINAYO, 2012;JUNIOR, 2012 CARRARO, 1997;BONINI et al., 2002;PLEBANI, 2007;GUIMARÃES et al., 2011;VIEIRA et al., 2011;PLEBANI, 2012; GUIMARÃES et al., 2012; CODAGNONE et al., 2013). ...
... A fase pré-analítica é a fase onde se encontra a maior frequência de erros, os maiores riscos à saúde dos profissionais e ainda é a fase em que ocorrem as mais elevadas taxas de erro humano. (PLEBANI; CARRARO, 1997;BONINI et al., 2002;PLEBANI, 2007;GUIMARÃES et al., 2011;VIEIRA et al., 2011;PLEBANI, 2012; GUIMARÃES et al., 2012; CODAGNONE et al., 2013). ...
... Estudos indicam que aproximadamente 40 a 70% dos erros ocorrem na fase préanalítica (PLEBANI; CARRARO, 1997;BONINI et al., 2002;PLEBANI, 2007GUIMARÃES et al., 2011VIEIRA et al., 2011;PLEBANI, 2012; GUIMARÃES et al., 2012 De acordo com esse grupo de trabalho, indicador de qualidade é toda e qualquer informação, quantitativa ou qualitativa, que seja útil para avaliar mudanças no decorrer de um período e definir objetivos de qualidade, de forma a tomar as melhores decisões e escolhas. ...
... In this study, the overall SSR of 0.28% was lower than a 0.57%, 1.46% and 4.19% reported in similar laboratory based studies in Porto Alegre, Brazil [20] , Cape Town, South Africa [21] and Delhi, India [3] respectively. Furthermore, we reported that sample clotting accounted for about 50% of specimen rejection which is similar to a 54% reported in the Brazil study [20] but higher than the South Africa study reporting 30% [21]. ...
... In this study, the overall SSR of 0.28% was lower than a 0.57%, 1.46% and 4.19% reported in similar laboratory based studies in Porto Alegre, Brazil [20], Cape Town, South Africa [21] and Delhi, India [3] respectively. Furthermore, we reported that sample clotting accounted for about 50% of specimen rejection which is similar to a 54% reported in the Brazil study [20] but higher than the South Africa study reporting 30% [21]. Our findings for specimen rejection due to insufficient specimen volume (22.7%) is similar to the South Africa study (22%) [21], but very different from a 43.8% reported in the Brazil study [20]. ...
... Furthermore, we reported that sample clotting accounted for about 50% of specimen rejection which is similar to a 54% reported in the Brazil study [20] but higher than the South Africa study reporting 30% [21]. Our findings for specimen rejection due to insufficient specimen volume (22.7%) is similar to the South Africa study (22%) [21], but very different from a 43.8% reported in the Brazil study [20] . With the exception of a few referrals, over 90% of the blood samples in this study were collected within the phlebotomy unit under the supervision of the laboratory head by laboratory staff trained in phlebotomy practice. ...
Background: In January 2010, the implementation of quality management systems toward WHO-AFRO laboratory accreditation commenced in the Antiretroviral Treatment Laboratory of the Infectious Disease Hospital, Kano, Nigeria. Quality improvement projects were instituted in 2011 in line with ISO 15189 requirements for accreditation of medical laboratory. In this study we evaluated the performance of the laboratory through some set of quality indicators (QI). Methodology: This was a retrospective study to evaluate laboratory QIs monitored from January 2011 to De-cember 2013. The QIs were specimen rejection rate (SSR), turnaround time (TAT), proficiency testing performance (PTP) and client satisfaction survey (CSS). Data was collected into an excel file for analysis and percentage performance compared among years. SSR & TAT were evaluated with the Sigma scale. Results: A total of 7920 (2194 in 2011, 2715 in 2012, 3011 in 2013) specimens were received for testing. 22 (0.28%) specimens were rejected and 81 (1.02%) specimens' results were reported after the acceptable TAT, giving a Sigma level of 4.27 and 3.82 for SSR and TAT respectively. There was steady improvement in PTP: CD4+ from 67% in 2011 to 90% in 2013, hematology from 81% in 2012 to 83% in 2013, blood film reading 79% in 2011 to 83% in 2013 and chemistry from 90% in 2011 to 93% in 2013. HIV serology recorded 100% throughout. CSS increased from 59% in 2012 to 78% in 2013. However, there was no statistically significance difference reported for PTP and CSS over the years (P > 0.05). Conclusion: The study highlights the need to continuously evaluate QIs and calls for more effort to improve on PTP and focuses on understanding and improving on clients concerns.
... The reported incidence of the specimens rejected by biochemistry and hematology laboratories ranged 0.3% to 2.7% (8) (9) (10). Similarly, in the current study, the incidence of the specimens rejected by the biochemistry and hematology laboratories were 0.6% and 1%, respectively. ...
... Similarly, in the current study, the incidence of the specimens rejected by the biochemistry and hematology laboratories were 0.6% and 1%, respectively. Table 3 summarizes comparative data regarding types of preanalytical errors in the previous studies (9) (10)(11)(12)(13). ...
... In the current study, insufficient volume (48.8%) was the most common factor leading to specimen rejection in the hematology laboratory and the second common factor in the biochemistry laboratory (45.6%). Similarly, this factor was the second common cause of specimen rejection in several studies (9) (10)(11)(12). Literature shows that the incidence of insufficient volume is remarkably high in pediatric, neonatal, and oncology wards, in which peripheral vascular access is difficult (14,15). ...
Background & objective
Each laboratory should determine the type of errors and turnaround time (TAT), especially in the preanalytical phase to report quality and timeliness of the test results. The current study aimed at investigating the common causes of preanalytical errors in biochemistry and hematology laboratories and evaluating the preanalytical TAT for outpatient samples.

Methods
Data of rejected samples in the laboratory information system from September 2014 to September 2015 were retrospectively reviewed. Also, the preanalytical TAT of the outpatient samples was evaluated over the period of three months from June to August 2015. Preanalytical TAT was calculated from order entry to barcode scanning in the autoanalyzer.

Results
With respect to the ratios of blood sample transfers, 1% of samples (2305 out of 225,563) in the hematology laboratory and 0.6% (1467 out of 255,943) in the biochemistry laboratory were rejected. The most common cause of rejection in the hematology and biochemistry laboratories was insufficient volume (48.8%) and hemolyzed sample (74.1%), respectively. The average preanalytical TAT for the outpatient samples was 62.3 minutes.The preanalytical TAT accounted for 10.8% (order entry-sample collection), 49% (sample collection-sample receipt), and 40.2% (sample receipt-barcode scanning in the autoanalyzer), respectively.

Conclusion
Of all the samples received in the biochemistry and hematology laboratories, the overall percentage of rejections were 0.6% and 1%, respectively. The main target to improve preanalytical TAT was determined as the transportation (sample collection-sample receipt) step.
... Following corrective action it dropped down to 0.57%. (Table 3) Some other studies have reported net sample rejection rates of 0.57% [9] and 0.3% [10]. These studies reported on hematology and biochemistry specimens. ...
... The most common cause of sample rejection for hematology and biochemistry samples in our study was clotted samples (51.2% - Table 1) and was generally in agreement with other studies like the one by Guimares et al. [9] which reported 43.8%. However another study reported percentages of clotted samples to be only13.4% ...
Effective patient management depends on the accuracy of laboratory results. Sample collection errors constitute an important reason for repeat collections. This study was conducted at the laboratory diagnostic services of a tertiary care oncology center with a hematopoietic stem cell transplant unit to determine the common causes of sample rejections and see the effects of corrective action.
A retrospective, intervention and prospective analysis of the samples rejected from the total samples received in our laboratories, during a nine month period from January to September 2011 was undertaken. Causes of sample rejections were determined and intervention in the form of training relevant staff was instituted.
Out of 32,548 samples received during Jan-Sep 2011, 177 samples (0.54%) were rejected. The most common reasons for rejection in hematology and biochemistry areas were clotted blood specimen (51.2%), improperly labeled specimen containers (14.46%) and hemolyzed blood samples (11.45%). For microbiology these included labeling errors, collection of specimen in wrong containers and specimen collection date and time not being entered, unacceptable specimen source and delayed transit time (18.2% each).
Directed interventions may help reduce the incidence of sample rejections.
... The proportion of the outpatients sample in our study is comparable to that obtained by Ambachew S and al in 2018 who reported 70.1% and 29.8% respectively for outpatients and inpatients sample [7]. The rate of samples non-compliance in our study (13.8%) was very high compared to those observed by Ma Jesús Alsina and al in 2008 [8] (0.699%), Guimarae
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