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Inicio Medicina Clínica (English Edition) Comparison between a multiple daily insulin injection regimen (basal once-daily ...
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Vol. 146. Issue 6.
Pages 239-246 (March 2016)
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Vol. 146. Issue 6.
Pages 239-246 (March 2016)
Original article
Comparison between a multiple daily insulin injection regimen (basal once-daily glargine plus mealtime lispro) and continuous subcutaneous insulin infusion (lispro) using continuous glucose monitoring in metabolically optimized type 1 diabetes patients: A randomized open-labelled parallel study
Comparación entre múltiples dosis de insulina (insulina glargina una vez al día y lispro en las comidas) e infusión subcutánea continua de insulina con monitorización continua de glucosa en pacientes con diabetes tipo 1 metabólicamente optimizados. Estudio randomizado
María Soledad Ruiz-de-Adanaa,b,d, Marta-Elena Dominguez-Lopeza,b,d, Inmaculada Gonzalez-Moleroa,b,d,
Corresponding author
inmagonzalezmolero@hotmail.com

Corresponding author.
, Alberto Machadoc, Victor Martina, Isabel Cardonad, Magdalena de-la-Higuerae, María-José Tapiaa,d, Federico Soriguera,b,d, María Teresa Anartec,d, Gemma Rojo-Martíneza,b,d
a Diabetes Centre, Department of Endocrinology and Nutrition, General University Hospital of Malaga, Spain
b CIBERDEM (Carlos III Health Institute), Malaga, Spain
c Department of Personality, Assessment and Psychological Treatment, Faculty of Psychology, University of Malaga, Malaga, Spain
d Instituto de Investigación Biomédica de Málaga (IBIMA), Spain
e Department of Endocrinology, Clinical Universitary of Navarra, Pamplona, Navarra, Spain
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Table 1. Baseline characteristics at start of treatment.
Table 2. Comparative analysis between the homogenization and randomization phases.
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Abstract
Background and objective

Advantages of continuous subcutaneous insulin infusion (CSII) over multiple daily injections with glargine (MDI/G) are still uncertain. We compared CSII vs. MDI/G therapy in unselected patients with type 1 diabetes using continuous glucose monitoring (CGSM). The primary end-points were glycaemic control and quality of life (QOL).

Methods

A total of 45 patients with long-term diabetes and mean HbA1c values of 8.6±1.8% (70.5±15.4mmol/mol), previously treated with MDI/NPH, were switched to MDI/G for 6 months and then, unfulfilling therapy CSII indication, were randomly assigned to CSII or MDI/G for another six months. We evaluated QOL (EsDqol) and glycaemic control by measuring HbA1c levels, rate of hypoglycaemia, ketoacidosis and CGSM data.

Results

After the first phase (MDI/NPH to MDI/G) there was a significant improvement in total EsDQOL (99.72±18.38 vs. 92.07±17.65; p<0.028), a 0.5% decrease in HbA1c values (8.4±1.2 vs. 7.9±0.7% [68±9.7 vs. 63±5.5mmol/mol]; p<0.032), an improvement in glycaemic variability (standard deviation 66.9±14 vs. 59.4±16mg/dl; p<0.05), a decrease in insulin requirements (0.87±0.29 vs. 0.80±0.25U/kg; p<0.049), a decrease in number of severe hypoglycaemia episodes (0.44±0.9 vs. 0.05±0.2; p<0.014), and an increase in periods of normoglycaemia measured with CGSM (15.8±10.9% vs. 23±18.4%; p<0.003). Six months after randomization, significant improvements were seen in the HbA1c (7.9±0.7 vs. 7±0.6% [63±5.5 vs. 53±4.5mmol/mol]; p<0.001) and EsQOL (91.66±22 vs. 84.53±1.63; p<0.045) only in the CSII group. The HbA1c value was significantly lower when compared with the MDI/G group (CSII 7±0.6% [53±4.5mmol/mol] vs. MDI/G 7.6±0.9% [59.6±7.7mmol/mol]; p<0.03).

Conclusions

Intensive insulin therapy with CSII vs. MDI/G was associated with better levels of HbA1c in patients with long-term type 1 diabetes.

Keywords:
CSII
MDI
Type 1 diabetes
Resumen
Introducción y objetivo

Las ventajas de la infusión subcutánea continua de insulina (ISCI) sobre múltiples inyecciones diarias de insulina con glargina (MDI/G) son todavía inciertas. Comparamos ISCI frente a MDI/G en pacientes con diabetes tipo 1 sin indicación de terapia ISCI utilizando la monitorización continua de glucosa (CGSM). Los objetivos primarios fueron el control glucémico y la calidad de vida (QOL).

Métodos

Un total de 45 pacientes con diabetes 1 de largo tiempo de evolución y valores medios de HbA1c de 8,6±1,8% (70,5±15,4mmol/mol), previamente tratados con MDI/NPH, fueron cambiados a MDI/G durante 6 meses y luego sin cumplir criterios clínicos para terapia ISCI asignados aleatoriamente a ISCI o MDI/G durante seis meses. Se evaluó la calidad de vida (EsDqol) y el control de la glucemia mediante la medición de los niveles de HbA1c, la tasa de hipoglucemias, cetoacidosis y datos de CGSM.

Resultados

Después de la primera fase (MDI/NPH a MDI/G) hubo una mejora significativa en EsDQOL total (99,72±18,38 vs. 92,07±17,65; p<0.028), una disminución de 0,5% en los valores de HbA1c (8,4±1,2 vs. 7,9±0,7% [68±9,7 vs. 63±5,5mmol/mol]; p<0,032), una mejora en la variabilidad de la glucemia (desviación estándar 66,9±14 vs. 59,4±16mg/dl; p <0,05), una disminución en las necesidades de insulina (0,87±0,29 vs. 0,80±0,25U/kg; p <0,049), una disminución en el número de episodios de hipoglucemia grave (0,44±0,9 vs. 0,05±0,2; p <0,014), y un aumento en los periodos de normoglucemia medidos con CGSM (15,8±10,9% vs. 23±18,4%; p <0,003). Seis meses después de la aleatorización, se observaron mejoras significativas en la HbA1c (7,9±0,7 vs. 7±0,6%; [63±5,5 vs. 53±4.5mmol/mol]; p <0,001) y la calidad de vida (91,66±22 vs. 84,53±1,63; p <0,045) sólo en el grupo ISCI. El valour de HbA1c fue significativamente menor en ISCI en comparación con el grupo MDI/G (CSII 7±0,6% [53±4,5mmol/mol] vs. MDI/G 7,6±0,9% [59,6±7,7mmol/mol]; p<0,03).

Conclusiones

La terapia insulínica intensiva con ISCI vs. MDI/G se asoció con mejores niveles de HbA1c en pacientes con diabetes tipo 1 de larga evolución.

Palabras clave:
ISCI
MDI
Diabetes tipo 1

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