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1.
Biochem Med (Zagreb) ; 30(1): 010704, 2020 Feb 15.
Artigo em Inglês | MEDLINE | ID: mdl-31839724

RESUMO

Introduction: Diabetes mellitus (DM) is one of the most prevalent diseases worldwide. The objective of this study was to find out under what preanalytical conditions routine and diagnostic glucose tests are performed across Spanish laboratories; and also what criteria are used for DM diagnosis. Materials and methods: An online survey was performed by the Commission on Quality Assurance in the Extra-Analytical Phase of the Spanish Society of Laboratory Medicine (SEQC-ML). Access to the questionnaire was available on the home page of the SEQC-ML website during the period April-July 2018. Data analysis was conducted with the IBM SPSS© Statistics (version 20.0) program. Results: A total of 96 valid surveys were obtained. Most laboratories were in public ownership, serving hospital and primary care patients, with high and medium workloads, and a predominance of mixed routine-urgent glucose testing. Serum tubes were the most used for routine glucose analysis (92%) and DM diagnosis (54%); followed by lithium-heparin plasma tubes (62%), intended primarily for urgent glucose testing; point-of-care testing devices were used by 37%; and plasma tubes with a glycolysis inhibitor, mainly sodium fluoride, by 19%. Laboratories used the cut-off values and criteria recognized worldwide for DM diagnosis in adults and glucose-impaired tolerance, but diverged in terms of fasting plasma glucose and gestational DM criteria. Conclusion: Preanalytical processing of routine and DM diagnostic glucose testing in Spain does not allow a significant, non-quantified influence of glycolysis on the results to be ruled out. Possible adverse consequences include a delay in diagnosis and possible under-treatment.


Assuntos
Glicemia/análise , Coleta de Amostras Sanguíneas/métodos , Coleta de Amostras Sanguíneas/instrumentação , Diabetes Mellitus/diagnóstico , Humanos , Laboratórios Hospitalares/normas , Fase Pré-Analítica , Espanha , Inquéritos e Questionários
2.
J Clin Anesth ; 33: 306-8, 2016 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-27555182

RESUMO

UNLABELLED: The green color in urine may suggest the presence of a severe pathology needing treatment. Many different potential causes of green urine have previously been reported. In our case, after ruling out other potential causes of green urine, it was suggested that the surgical manipulation of the paralytic ileum might have induced the reabsorption of the methylene blue which had been retained in the bowel (bezoar effect), even 96 hours after the nasogastric administration. CONCLUSIONS: The staff should keep in mind this possible effect due to methylene blue to recognize early and avoid unnecessary laboratory tests. AUTHORS SUMMARY: This case report illustrates the significance of urine discoloration, sometimes indicate the presence of a systemic disorder and some rare cases, this phenomenon has no pathologic effects. To our knowledge, this is the first case report of a green urine by drug bezoar due methylene blue in children.


Assuntos
Bezoares/urina , Criança , Cor , Corantes , Humanos , Íleo/cirurgia , Masculino , Azul de Metileno
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