Objective:To analyze the application effect of feedforward control in outpatient blood specimen management.Methods:1,200 patients who had their venous blood collected in outpatient phlebotomy room of our hospital'...Objective:To analyze the application effect of feedforward control in outpatient blood specimen management.Methods:1,200 patients who had their venous blood collected in outpatient phlebotomy room of our hospital's outpatient clinic from January 2021 to April 2021 were selected as study subjects and divided into 600 cases in the control group and 600 cases in the observation group.The two groups of patients were compared in terms of their satisfaction with the staff,the efficiency of the nurses and the quality of nursing care,turnaround time before specimen analysis,the rejection rate of the blood specimens,and the time of result reporting.Results:After the implementation of feedforward control,patients'satisfaction with staff,nurses work efficiency and quality of care,turnaround time before specimen analysis,specimen rejection rate,and result reporting time in the observation group were significantly higher than those in the control group(P<0.05).Conclusion:The application of feedforward control in the management of outpatient blood specimens has significant effect,which effectively improves patients'satisfaction,enhances the efficiency of nurses and the quality of nursing care,shortens the turnaround time of specimens before analysis and the reporting time of results,and reduces the rejection rate of specimens.展开更多
BACKGROUND:In patients with chest pain who arrive at the emergency department(ED)by ambulance,venous access is frequently established prehospital,and could be utilized to sample blood.Prehospital blood sampling may sa...BACKGROUND:In patients with chest pain who arrive at the emergency department(ED)by ambulance,venous access is frequently established prehospital,and could be utilized to sample blood.Prehospital blood sampling may save time in the diagnostic process.In this study,the association of prehospital blood draw with blood sample arrival times,troponin turnaround times,and ED length of stay(LOS),number of blood sample mix-ups and blood sample quality were assessed.METHODS:The study was conducted from October 1,2019 to February 29,2020.In patients who were transported to the ED with acute chest pain with low suspicion for acute coronary syndrome(ACS),outcomes were compared between cases,in whom prehospital blood draw was performed,and controls,in whom blood was drawn at the ED.Regression analyses were used to assess the association of prehospital blood draw with the time intervals.RESULTS:Prehospital blood draw was performed in 100 patients.In 406 patients,blood draw was performed at the ED.Prehospital blood draw was independently associated with shorter blood sample arrival times,shorter troponin turnaround times and decreased LOS(P<0.001).No differences in the number of blood sample mix-ups and quality were observed(P>0.05).CONCLUSION:For patients with acute chest pain with low suspicion for ACS,prehospital blood sampling is associated with shorter time intervals,while there were no significant differences between the two groups in the validity of the blood samples.展开更多
Objective:To assess the distribution of ABO blood group and their relationship with Plasmodium falciparum(P.falciparum) malaria among febrile outpatients who sought medical attention at Dore Bafeno Health Center,South...Objective:To assess the distribution of ABO blood group and their relationship with Plasmodium falciparum(P.falciparum) malaria among febrile outpatients who sought medical attention at Dore Bafeno Health Center,Southern Ethiopia.Methods:A total of 269 febrile outpatients who visited Dore Bafeno Health Center,Southern Ethiopia,were examined for malaria and also tested for ABO blood groups in January 2010.The blood specimens were collected by finger pricking,stained with Geimsa,and examined microscopically.Positive cases of the parasitemia were counted.CareStart^(TM) Malaria PflPv Combo was also used to test the blood specimens for malaria.ABO blood groups were determined by agglutination test using ERYCLONE antisera.Data on socio-demographic characteristics and treatment status of the participants were also collected.Chi-square and ANOVA tests were used to assess the difference between frequencies and means,respectively.Results:Out of a total of 269 participants,178(66.2%) febrile patients were found to be infected with Plasmodium parasites,among which 146(54.3%),28(10.4%),and 4(1.5%) belonged to P.falciparum,P.vivax,and mixed infections,respectively.All febrile patients were also tested for ABO blood groups and 51.3%,23.5%,21.9%and 3.3%were found to be blood types of 0,A,B and AB,respectively.Both total malaria infection and P.falciparum infection showed significant association with blood types(P<0.05).The proportion of A or B but not 0 phenotypes was higher(P<0.05) in individuals with P.falciparum as compared with non-infected individuals.The chance of having P.falciparum infection in patients with blood groups A,B and AB was 2.5,2.5 and 3.3times more than individuals showing blood 0 phenotypes,respectively.The mean P.falciparum malaria parasitemia for blood groups A,B,AB,and 0 were 3 744/μ L,1 805/ μ L,5 331/μ L,and1 515/μ L,respectively(P<0.01).Conclusions:The present findings indicate that individuals of blood groups A,B and AB are more susceptible to P.falciparum infection as compared with individuals of blood group O.Nevertheless,further in depth studies are required to clearly establish the role that ABO blood group plays in P.falciparum malaria.展开更多
目的:分析不同保存温度及溶血、脂血血液标本对乙型肝炎病毒(HBV)脱氧核糖核酸(DNA)检测结果的影响。方法:选取2021年1-12月甘肃省肿瘤医院检验科的84份脂血血液标本、127份溶血血液标本及46份性状正常的血液标本分别作为脂血组、溶血...目的:分析不同保存温度及溶血、脂血血液标本对乙型肝炎病毒(HBV)脱氧核糖核酸(DNA)检测结果的影响。方法:选取2021年1-12月甘肃省肿瘤医院检验科的84份脂血血液标本、127份溶血血液标本及46份性状正常的血液标本分别作为脂血组、溶血组及对照组。检测对照组不同保存温度不同保存时间HBV DNA Ct值。检测脂血组及对照组标本中的HBV DNA Ct值。检测溶血组及对照组所有血液标本HBV DNA Ct值。比较对照组不同保存温度下4 h、24 h、48 h、72 h及1周的HBV DNA Ct值。比较对照组及脂血组的HBV DNA Ct值及HBV DNA检出率。比较对照组及溶血组的HBV DNA Ct值及HBV DNA检出率。结果:25℃下保存1周HBV DNA Ct值高于25℃下保存4 h、24 h、48 h、72 h,差异有统计学意义(P<0.05);37℃下保存72 h、1周HBV DNA Ct值高于37℃下保存4 h、24 h、48 h,差异有统计学意义(P<0.05);37℃下保存48 h HBV DNA Ct值高于37℃下保存4 h、24 h,差异有统计学意义(P<0.05)。-30℃下保存48 h、72 h HBV DNA Ct值低于37℃下保存48 h、72 h,保存1周HBV DNA Ct值低于25℃、37℃下保存1周,差异有统计学意义(P<0.05);4℃、25℃下保存72 h、1周HBV DNA Ct值低于37℃下保存72 h、1周,差异有统计学意义(P<0.05)。2 mmol/L<甘油三酯(TG)<4 mmol/L组、4 mmol/L≤TG<6 mmol/L组、TG≥6 mmol/L组及对照组HBV DNA Ct值比较,差异无统计学意义(P>0.05)。20 g/L<血红蛋白(Hb)<40 g/L组、40 g/L≤Hb<80 g/L组及对照组HBV DNA检出率均高于Hb≥80 g/L组,差异有统计学意义(P<0.05)。20 g/L<Hb<40 g/L组、40 g/L≤Hb<80 g/L组、Hb≥80 g/L组及对照组HBV DNA Ct值比较,差异无统计学意义(P>0.05)。结论:在检测血液中HBV DNA时,应避免较高温度下长时间保存,同时脂血及轻中度溶血对HBV DNA检测影响较小,但重度溶血会导致HBV DNA检测假阴性结果的出现,因此对于重度溶血患者应重新抽血复检。展开更多
文摘Objective:To analyze the application effect of feedforward control in outpatient blood specimen management.Methods:1,200 patients who had their venous blood collected in outpatient phlebotomy room of our hospital's outpatient clinic from January 2021 to April 2021 were selected as study subjects and divided into 600 cases in the control group and 600 cases in the observation group.The two groups of patients were compared in terms of their satisfaction with the staff,the efficiency of the nurses and the quality of nursing care,turnaround time before specimen analysis,the rejection rate of the blood specimens,and the time of result reporting.Results:After the implementation of feedforward control,patients'satisfaction with staff,nurses work efficiency and quality of care,turnaround time before specimen analysis,specimen rejection rate,and result reporting time in the observation group were significantly higher than those in the control group(P<0.05).Conclusion:The application of feedforward control in the management of outpatient blood specimens has significant effect,which effectively improves patients'satisfaction,enhances the efficiency of nurses and the quality of nursing care,shortens the turnaround time of specimens before analysis and the reporting time of results,and reduces the rejection rate of specimens.
文摘BACKGROUND:In patients with chest pain who arrive at the emergency department(ED)by ambulance,venous access is frequently established prehospital,and could be utilized to sample blood.Prehospital blood sampling may save time in the diagnostic process.In this study,the association of prehospital blood draw with blood sample arrival times,troponin turnaround times,and ED length of stay(LOS),number of blood sample mix-ups and blood sample quality were assessed.METHODS:The study was conducted from October 1,2019 to February 29,2020.In patients who were transported to the ED with acute chest pain with low suspicion for acute coronary syndrome(ACS),outcomes were compared between cases,in whom prehospital blood draw was performed,and controls,in whom blood was drawn at the ED.Regression analyses were used to assess the association of prehospital blood draw with the time intervals.RESULTS:Prehospital blood draw was performed in 100 patients.In 406 patients,blood draw was performed at the ED.Prehospital blood draw was independently associated with shorter blood sample arrival times,shorter troponin turnaround times and decreased LOS(P<0.001).No differences in the number of blood sample mix-ups and quality were observed(P>0.05).CONCLUSION:For patients with acute chest pain with low suspicion for ACS,prehospital blood sampling is associated with shorter time intervals,while there were no significant differences between the two groups in the validity of the blood samples.
基金Supported by School of Graduate Studies through Aklilu LemmaInstitute of Pathobiology,Addis Ababa University(No:RDP/Py-014/09)
文摘Objective:To assess the distribution of ABO blood group and their relationship with Plasmodium falciparum(P.falciparum) malaria among febrile outpatients who sought medical attention at Dore Bafeno Health Center,Southern Ethiopia.Methods:A total of 269 febrile outpatients who visited Dore Bafeno Health Center,Southern Ethiopia,were examined for malaria and also tested for ABO blood groups in January 2010.The blood specimens were collected by finger pricking,stained with Geimsa,and examined microscopically.Positive cases of the parasitemia were counted.CareStart^(TM) Malaria PflPv Combo was also used to test the blood specimens for malaria.ABO blood groups were determined by agglutination test using ERYCLONE antisera.Data on socio-demographic characteristics and treatment status of the participants were also collected.Chi-square and ANOVA tests were used to assess the difference between frequencies and means,respectively.Results:Out of a total of 269 participants,178(66.2%) febrile patients were found to be infected with Plasmodium parasites,among which 146(54.3%),28(10.4%),and 4(1.5%) belonged to P.falciparum,P.vivax,and mixed infections,respectively.All febrile patients were also tested for ABO blood groups and 51.3%,23.5%,21.9%and 3.3%were found to be blood types of 0,A,B and AB,respectively.Both total malaria infection and P.falciparum infection showed significant association with blood types(P<0.05).The proportion of A or B but not 0 phenotypes was higher(P<0.05) in individuals with P.falciparum as compared with non-infected individuals.The chance of having P.falciparum infection in patients with blood groups A,B and AB was 2.5,2.5 and 3.3times more than individuals showing blood 0 phenotypes,respectively.The mean P.falciparum malaria parasitemia for blood groups A,B,AB,and 0 were 3 744/μ L,1 805/ μ L,5 331/μ L,and1 515/μ L,respectively(P<0.01).Conclusions:The present findings indicate that individuals of blood groups A,B and AB are more susceptible to P.falciparum infection as compared with individuals of blood group O.Nevertheless,further in depth studies are required to clearly establish the role that ABO blood group plays in P.falciparum malaria.
文摘目的:分析不同保存温度及溶血、脂血血液标本对乙型肝炎病毒(HBV)脱氧核糖核酸(DNA)检测结果的影响。方法:选取2021年1-12月甘肃省肿瘤医院检验科的84份脂血血液标本、127份溶血血液标本及46份性状正常的血液标本分别作为脂血组、溶血组及对照组。检测对照组不同保存温度不同保存时间HBV DNA Ct值。检测脂血组及对照组标本中的HBV DNA Ct值。检测溶血组及对照组所有血液标本HBV DNA Ct值。比较对照组不同保存温度下4 h、24 h、48 h、72 h及1周的HBV DNA Ct值。比较对照组及脂血组的HBV DNA Ct值及HBV DNA检出率。比较对照组及溶血组的HBV DNA Ct值及HBV DNA检出率。结果:25℃下保存1周HBV DNA Ct值高于25℃下保存4 h、24 h、48 h、72 h,差异有统计学意义(P<0.05);37℃下保存72 h、1周HBV DNA Ct值高于37℃下保存4 h、24 h、48 h,差异有统计学意义(P<0.05);37℃下保存48 h HBV DNA Ct值高于37℃下保存4 h、24 h,差异有统计学意义(P<0.05)。-30℃下保存48 h、72 h HBV DNA Ct值低于37℃下保存48 h、72 h,保存1周HBV DNA Ct值低于25℃、37℃下保存1周,差异有统计学意义(P<0.05);4℃、25℃下保存72 h、1周HBV DNA Ct值低于37℃下保存72 h、1周,差异有统计学意义(P<0.05)。2 mmol/L<甘油三酯(TG)<4 mmol/L组、4 mmol/L≤TG<6 mmol/L组、TG≥6 mmol/L组及对照组HBV DNA Ct值比较,差异无统计学意义(P>0.05)。20 g/L<血红蛋白(Hb)<40 g/L组、40 g/L≤Hb<80 g/L组及对照组HBV DNA检出率均高于Hb≥80 g/L组,差异有统计学意义(P<0.05)。20 g/L<Hb<40 g/L组、40 g/L≤Hb<80 g/L组、Hb≥80 g/L组及对照组HBV DNA Ct值比较,差异无统计学意义(P>0.05)。结论:在检测血液中HBV DNA时,应避免较高温度下长时间保存,同时脂血及轻中度溶血对HBV DNA检测影响较小,但重度溶血会导致HBV DNA检测假阴性结果的出现,因此对于重度溶血患者应重新抽血复检。
