Treatment of chylomicronemia. / Tratamiento de la quilomicronemia.

Fasting chylomicronaemia appears in type V (multifactorial chylomicronaemia syndrome, MCS), and in type I (familial chylomicronaemia syndrome, FCS). MCS needs to be treated as in any general hypertriglyceridaemia: low-calorie diet, avoid sugar and alcohol, reduce body weight, control of diabetes and, in some cases, common lipid lowering-drugs, such as fibrates or omega-3 fatty acids. For type I HLP, FCS, patients should adhere to a strict very low fat diet, usually less than 15-20 g per day. In spite of this, many patients with FCS suffer from recurrent abdominal pain and/or acute pancreatitis. Volanesorsen, an antisense oligonucleotide against apolipoprotein C-III, is the only drug approved to control the disease. As shown in the APPROACH study, the administration of volanesorsen at a weekly dose of 285 mg induced at three month a reduction of triglycerides of 77% (primary end-point) and a reduction of 1712 mg/dL from the baseline. Among patient receiving volanesorsen, 77% reached a fasting triglyceride value below 750 mg/dL. The most frequent side effects were a skin reaction at injection site and low platelet levels, which should be monitored.

Fractional excretion of phosphorus and vascular calcification in stage 3 chronic kidney disease.

The role of renal excretion of Pi in relation to vascular calcification (VC) in patients in the early stages of chronic kidney disease (CKD) is controversial. Thus, we determine the relation between fractional excretion of phosphorus (FEP) and VC, measured using two methods in a cross-sectional study of patients with stage 3 CKD. We recorded demographic data, anthropometry, comorbidities and active treatment. We measured 24-hour urine FEP and, in serum, measured fibroblast growth factor 23 (FGF23), α-Klotho, intact parathyroid hormone (iPTH), calcium and phosphorus. VC was measured by lateral abdominal radiography (Kauppila index (KI)) and CT of the abdominal aorta (measured in Agatston units). In 57% of subjects, abnormal VC was present when measured using CT, and in only 17% using lateral abdominal radiography. Factors associated with VC using CT were age, cardiovascular risk factors, vascular comorbidity, microalbuminuria and levels of FGF23, phosphorus and calcium x phosphorus product (CaxP); although only age (OR 1.25, 95% CI 1.11 to 1.41), smoking (OR 21.2, CI 4.4 to 100) and CaxP (OR 1.21, CI 1.06 to 1.37) maintained the association in a multivariate analysis. By contrast, only age (OR 1.35, 95% CI 1.07 to 1.74), CaxP (OR 1.14, CI 1.13 to 1.92) and FEP (OR 1.07,95% CI 1004 to 1.14) were associated with abnormal VC in the lateral abdominal radiography. In conclusion, in patients with stage 3 CKD, the detection of VC by abdominal CT is more sensitive than conventional X-rays. Moreover, CaxP is associated with cardiovascular risk factors and vascular comorbidity; quantification of FEPi in these patients provides additional clinical information in advanced VC detected by KI.

Cambios en el Índice de Hígado Graso con una intervención con dieta mediterránea: seguimiento de 6 años del ensayo PREDIMED-Málaga / Changes in fatty liver index after consuming a Mediterranean diet: 6-year follow-up of the PREDIMED-Malaga trial

Objetivo: Analizar el efecto sobre el Índice de Hígado Graso (FLI, Fatty Liver Index) de la intervención con dieta mediterránea enriquecida con aceite de oliva virgen extra o frutos secos frente a un grupo control con una dieta baja en grasas. Metodología: Participantes del ensayo PREDIMED-Málaga, libres de enfermedad cardiovascular basalmente, pero con alto riesgo de desarrollarla. Al inicio, al año y a los 3, 5 y 6 años se les realizó mediciones antropométricas y toma de muestras de sangre para calcular el FLI. Se usaron modelos lineales mixtos para explorar los efectos fijos de los 3 grupos de intervención sobre el FLI, y sus interacciones con el tiempo. Resultados: Cumplían los criterios de participación en el estudio 276 participantes. La edad media fue de 67 años, con un 66% de mujeres. La prevalencia basal de HGNA estimado fue del 57%. El cambio temporal del FLI en el grupo control aumentó con el tiempo (1,13±0,4; p=0,006). En el grupo DietMed+AOVE la evolución fue similar a la de este, aunque por debajo (−3,90±1,9; p=0,038), y en DietMed+FS fue significativamente menor (−1,63±0,62; p=0,009). En el DietMed+FS la evolución del cambio del IMC fue 0,100 puntos menor al año en comparación con el grupo control (p=0,004). En el grupo de control, el cambio del perímetro de cintura aumentó significativamente con el tiempo (0,61±0,16cm/año; p<0,001) en contraste con DietMed+AOVE(−0,51±0,22; p=0,019). Conclusiones: La intervención dietética con dieta mediterránea podría retrasar o enlentecer la progresión natural del HGNA, siendo beneficiosa para la prevención y el tratamiento del mismo. No obstante, se necesitan estudios que ayuden a corroborar las conclusiones obtenidas (AU)

Objective: To analyze the effect of an intervention with a Mediterranean diet supplemented with either extra virgin olive oil or nuts, on the fatty liver index (FLI), compared to a low-fat control diet. Methods: Participants of the PREDIMED-Malaga trial, free from cardiovascular disease at baseline, but with a high risk to develop it, were included in this study. Anthropometric measurements were assessed and blood samples were taken to calculate participants’ FLI at study baseline and after one, 3, 5 and 6 years. Mixed linear models were used to explore the fixed effects of the 3 intervention groups on the FLI as well as their interaction with time. Results: A total of 276 participants were included in the study. Average participant age was 67 years, with 66% of participants being women. The baseline prevalence of NAFL was 57%. The change in the FLI of the control group increased significantly over time (1.13±0.41; P=.006). In the MedDiet+EVOO group, the time trend of the change in the FLI was similar to that of the control group, although it was seen to be lower (−3.90±1.9; P=.038). In the MedDiet+Nuts group, the trend was significantly lower than that of the control group (−1.63±0.62; P=.009). In the MedDiet+Nuts group, the trend of changes in participants’ BMI was 0.100 points lower per year compared to the control group (P=.004). In the control group, the change in waist circumference increased significantly over time (0.61±0.16cm/year; P<.001) in contrast to the MedDiet+EVOO group, in which this variable remained stable (−0.51±0.22; P=.019). Conclusions: A dietary intervention consisting of a Mediterranean diet could delay or slow down the natural progression of NAFL, thus, being beneficial for its prevention and treatment. However, further studies supporting these conclusions have yet to be carried out (AU)

Omega 3 fatty acids induce a marked reduction of apolipoprotein B48 when added to fluvastatin in patients with type 2 diabetes and mixed hyperlipidemia: a preliminary report.

BACKGROUND: Mixed hyperlipidemia is common in patients with diabetes. Statins, the choice drugs, are effective at reducing lipoproteins that contain apolipoprotein B100, but they fail to exert good control over intestinal lipoproteins, which have an atherogenic potential. We describe the effect of prescription omega 3 fatty acids on the intestinal lipoproteins in patients with type 2 diabetes who were already receiving fluvastatin 80 mg per day. METHODS: Patients with type 2 diabetes and mixed hyperlipidemia were recruited. Fasting lipid profile was taken when patients were treated with diet, diet plus 80 mg of fluvastatin and diet plus fluvastatin 80 mg and 4 g of prescription omega 3 fatty acids. The intestinal lipoproteins were quantified by the fasting concentration of apolipoprotein B48 using a commercial ELISA. RESULTS: The addition of 4 g of prescription omega 3 was followed by significant reductions in the levels of triglycerides, VLDL triglycerides and the triglyceride/HDL cholesterol ratio, and an increase in HDL cholesterol (P < 0.05). Fluvastatin induced a reduction of 26% in B100 (P < 0.05) and 14% in B48 (NS). However, the addition of omega 3 fatty acids enhanced this reduction to 32% in B100 (NS) and up to 36% in B48 (P < 0.05). CONCLUSION: Our preliminary findings therefore suggest an additional benefit on postprandial atherogenic particles when omega 3 fatty acids are added to standard treatment with fluvastatin.