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Relationship of plasma cholesteryl ester transfer protein to HDL cholesterol. Studies in normotriglyceridemia and moderate hypertriglyceridemia.

To evaluate the independent effect of cholesteryl ester transfer protein (CETP) on HDL concentrations in humans, we measured lipids, lipoproteins, postprandial lipemia after an oral fat load, CETP mass, and the activities of CETP, lipoprotein lipase (LPL), and hepatic lipase in 16 healthy, normotriglyceridemic men and in 23 men with moderate, primary hypertriglyceridemia on an American Heart Association Step I diet. Fasting triglycerides and postprandial lipemia were increased and HDL cholesterol (HDL-C) was decreased in hypertriglyceridemic men compared with control subjects (P < .001). In the normotriglyceridemic group, CETP mass (P < .001) and activity (P < .005) were directly related to LPL activity After statistical adjustment for this close association, no significant relationship of CETP to HDL-C independent of LPL activity could be demonstrated in the normotriglyceridemic subjects. In contrast, CETP was unrelated to LPL activity in the hypertriglyceridemic subjects, but CETP concentrations showed a close inverse relationship to HDL-C (r = -.504, P = .014). Structural equation modeling of the association structures between HDL and fasting and postprandial triglycerides, endothelial lipases, and CETP in both groups indicated that the overall regression models for the two groups differed (P < .05). Specifically, the associations between CETP mass and activity and HDL-C differed between both groups (both P < .01). We conclude that high-normal CETP levels lower HDL-C in nonsmoking, nonobese men with moderate, primary hypertriglyceridemia on a hypolipidemic diet, but not in healthy, normotriglyceridemic men on an unrestricted diet. Thus, variation in CETP plasma concentrations may contribute to the high-triglyceride, low-HDL phenotype.

Adult↗

Altered myocardial vasodilatation in patients with hypertriglyceridemia in anatomically normal coronary arteries.

Reduced myocardial vasodilatation (MVD) in hypercholesterolemics without overt coronary stenosis has been reported. However, the status of MVD in hypertriglyceridemics has not yet been clarified. The aim of this study was to investigate whether MVD is impaired in patients with hypertriglyceridemia without overt coronary stenosis. Twenty-three hypertriglyceridemics (10 normocholesterolemic hypertriglyceridemics [HTGs] and 13 mixed combined hyperlipidemics [MCHLs]) and 13 age-matched controls were studied. All patients were proven to have more than one normal coronary artery, as diagnosed by coronary angiography, and those segments that were perfused by anatomically normal coronary arteries were used in the study. Myocardial blood flow (MBF) during dipyridamole (DP) loading and baseline MBF were measured by using positron emission tomography and [13N]ammonia, after which MVD was calculated. Baseline MBF (mL.min(-1).100 g(-1)) was comparable among HTG (76.0+/-26.1), MCHL (77.0+/-26.1), and controls (80.3+/-38.5). However, MBF during DP loading was significantly lower in MCHL (159+/-52.5) than in control subjects (292+/-166, P<.01), while it was comparable in HTG (202+/-104) and controls. MVD was significantly reduced in both HTG (2.70+/-1.09, P<.05) and MCHL (2.07+/-.70, P<.01) compared with controls (3.73+/-1.14). MVD in MCHLs tended to be reduced compared with that in HTGs, but the difference was statistically insignificant (P=.08). There was a significant relationship between MVD and both plasma triglycerides (r=-.47, P<.01) and plasma total cholesterol (r=-.55, P<.01). When controls and HTGs were combined, the relationship between MVD and plasma total triglycerides became more prominent (r=-.55, P<.05), and the significant relationship between cholesterol level and MVD disappeared. Multivariate regression analysis has revealed that the triglyceride level (F=5.2, P<.05) was independently related to MVD (r=.69, P<.01). In conclusion, MVD was reduced in hypertriglyceridemics in anatomically normal coronary arteries. Hypertriglyceridemia is an independent factor for this abnormality.

Aged↗

Coronary artery disease risk in familial combined hyperlipidemia and familial hypertriglyceridemia: a case-control comparison from the National Heart, Lung, and Blood Institute Family Heart Study.

BACKGROUND: Conventional wisdom suggests that a diagnosis of familial combined hyperlipidemia (FCHL) carries a substantially greater risk of premature coronary artery disease (CAD) than a diagnosis of familial hypertriglyceridemia (FHTG). However, no population-based studies have critically addressed this issue. METHODS AND RESULTS: FCHL and FHTG were diagnosed in 10.2% and 12.3% of 334 random control families and in 16.7% and 20.5% of 293 families with at least one case of premature CAD. The diagnosis of either FCHL or FHTG in an individual was associated with an odds ratio for CAD of 2.0 (P=0.003 and 0.002, respectively). However, odds ratios for premature CAD associated with both lipid disorders decreased substantially and identically with further adjustment for hypertension, diabetes, and especially HDL cholesterol, triglycerides, or apolipoprotein B. Similar results were found for differences in carotid intima-medial thickness and ankle-brachial index. Metabolic syndrome was identified in 65% of FCHL and 71% of FHTG patients compared with 19% in controls without FCHL or FHTG and was associated with an odds ratio of 3.3 (P<0.0001). The increased prevalence of the metabolic syndrome alone could account for the elevated CAD risk associated with both FCHL and FHTG. CONCLUSIONS: FCHL and FHTG appear more alike than dissimilar. Further, the risk of CAD in FCHL and FHTG was strongly related to features of the metabolic syndrome. These findings suggest that the hypertriglyceridemia in FHTG is not benign and may warrant a change in epidemiological, genetic, and clinical approaches to these lipid disorders.

Adult↗

Cardiovascular disease mortality in familial forms of hypertriglyceridemia: A 20-year prospective study.

BACKGROUND: Familial combined hyperlipidemia (FCHL) and familial hypertriglyceridemia (FHTG) are 2 of the most common familial forms of hyperlipidemia. There is a paucity of prospective data concerning the risk of cardiovascular disease (CVD) in such families. The purposes of this study were to estimate 20-year total and CVD mortality risk among relatives in these families and to evaluate plasma triglyceride as a predictor of death. METHODS AND RESULTS: The study was based on lipid and medical history data from 101 families ascertained in 2 studies conducted in the early 1970s. Vital status and cause of death was determined during 1993 to 1997 for 685 family members, including first-degree relatives of the probands and spouse control subjects. Compared with spouse control subjects, 20-year CVD mortality risk was increased among siblings and offspring in FCHL (relative risk 1.7, P=0.02) after adjustment for baseline covariates. In FHTG families, the relative risk was also 1.7 but was not statistically significant (P=0.39). Baseline triglyceride was associated with increased CVD mortality risk independent of total cholesterol among relatives in FHTG families (relative risk 2.7, P=0.02) but not in FCHL families (relative risk 1.5, P=0.16) after adjustment for baseline covariates. CONCLUSIONS: This prospective study establishes that relatives in FCHL families are at increased risk for CVD mortality and illustrates the need for effective prevention strategies in this group. Baseline triglyceride level predicted subsequent CVD mortality among relatives in FHTG families, adding to the growing evidence for the importance of hypertriglyceridemia as a risk factor for CVD.

Adult↗

Hypertriglyceridemia associated with tumor necrosis factor-alpha in hamster cheek-pouch carcinogenesis.

We demonstrated for the first time that 9,10-dimethyl-1,2-benzanthracene (DMBA)-treated hamsters showed hypertriglyceridemia followed by cachexia. Hypertriglyceridemia is believed to be caused in part by the decreased lipoprotein lipase (LPL) activity, and by cytokines such as tumor necrosis factor (TNF)-alpha. In addition, TNF-alpha action is associated with the LPL activity. Therefore, we determined the content of triglyceride (TG), LPL, and TNF-alpha in the serum from DMBA-treated hamsters. Elevated TG concentration in the serum of tumor-bearing hamsters was more remarkable and preceded the increase in other lipids, whereas the activity of LPL, the key enzyme of TG metabolism in vivo, was drastically reduced. TNF-alpha, known as an endogenous inhibitor of LPL activity, was detected in both the sera and the extract of tumors from DMBA-treated hamsters, whereas it was not detectable in any control samples. Pre-incubation of control sera with exogenous recombinant human TNF-alpha resulted in a potent inhibition of endogenous LPL activity in a dose-dependent manner in vitro. Therefore, the presence of TNF-alpha might lead to the increase in plasma TG mediated by LPL in tumor-bearing hamsters.

9,10-Dimethyl-1,2-benzanthracene↗

The apolipoprotein E genotype predicts postprandial hypertriglyceridemia in patients with the metabolic syndrome.

Apolipoprotein E (apo E) is a constituent molecule of the triglyceride-rich lipoproteins and participates in their clearance. Polymorphisms in the apo E gene are associated with increased fasting and postprandial levels of triglycerides. We studied 66 patients with the metabolic syndrome, none of whom had diabetes. Details were recorded for cholesterol, triglycerides, apo AI, apo B, insulin, homeostasis model assessment of insulin resistance, homeostasis model assessment of insulin secretion, uric acid, 24-h uric acid urinary excretion, high-density lipoprotein cholesterol, waist to hip ratio, body mass index, and age. The patients were given a 60-g fat overload (Supracal), and measurements were made at 4 h of cholesterol, triglycerides, high-density lipoprotein cholesterol, apo AI, and apo B. Patients who did not have the E3/3 genotype had an odds ratio of postprandial hypertriglyceridemia of 6.2 (confidence interval, 1.41-16.08; P = 0.01) and an odds ratio of hyperuricemia compared with the E3/3-positive patients of 7.5 (confidence interval, 1.04-39.31; P = 0.02). This study shows that patients with the metabolic syndrome who do not have the E3/3 genotype have a greater risk of hyperuricemia and postprandial hypertriglyceridemia after a fat overload.

Adult↗

Fasting hypertriglyceridemia in noninsulin-dependent diabetes mellitus is an important predictor of postprandial lipid and lipoprotein abnormalities.

Postprandial lipoprotein metabolism may be important in atherogenesis and has not been studied in detail in noninsulin-dependent diabetes mellitus (NIDDM). We used the vitamin A fat-loading test to label triglyceride-rich lipoprotein particles of intestinal origin after ingestion of a high fat mixed meal containing 60 g fat/m2 and 60,000 U vitamin A/m2 in 12 untreated NIDDM subjects with normotriglyceridemia (NTG; triglycerides, less than 1.7 mmol/L), 7 untreated NIDDM subjects with moderate hypertriglyceridemia (HTG; triglycerides, 1.7-4.7 mmol/L), and 8 age- and weight-matched normotriglyceridemic nondiabetic controls. The postprandial triglyceride increment was greater in NIDDM with HTG (P = 0.0001) and correlated strongly in all groups with the fasting triglyceride concentration (r = 0.83; P = 0.0001). Retinyl palmitate measured in whole plasma, an Sf greater than 1000 chylomicron fraction, and an Sf less than 1000 nonchylomicron fraction was also significantly greater in NIDDM with HTG, but did not differ significantly between NIDDM with NTG and controls. In NIDDM with HTG, chylomicrons appeared to be cleared at a slower rate, as evidenced by the significantly later intersection of the chylomicron and nonchylomicron retinyl palmitate response curves (13.7 h in HTG NIDDM vs. 8.5 h in NTG NIDDM vs. 7.3 h in controls; P less than 0.01). Although fasting FFA levels were similar in all three groups, the HTG diabetic subjects had a late postprandial surge in FFAs that lasted for up to 14 h. The postprandial FFA elevation in all groups correlated with the fasting triglyceride concentration (r = 0.57; P less than 0.002) and postprandial triglyceride increment (r = 0.80; P = 0.0001). The fasting core triglyceride content of the HDL particles in NIDDM with HTG was significantly elevated compared to those in NIDDM with NTG and controls (21.0% vs. 14.0% vs. 14.1% respectively; P less than 0.05), and this increased proportionately in all groups after the meal at the expense of cholesteryl ester, the increase correlating with total plasma postprandial triglyceride increment (r = 0.51; P less than 0.01). We conclude that moderate fasting hypertriglyceridemia in NIDDM is predictive of a constellation of postprandial changes in lipids and lipoproteins that may potentiate the already unfavorable atherogenic fasting lipid profile in these subjects.

Blood Glucose↗

The hypertriglyceridemia of acquired immunodeficiency syndrome is associated with an increased prevalence of low density lipoprotein subclass pattern B.

Plasma low density lipoproteins (LDL) comprise multiple discrete subclasses, differing in size, density, and chemical composition. Gradient gel electrophoresis of LDL has demonstrated three common subclass patterns based on the predominant LDL subclass: large LDL, designated subclass pattern A; small LDL particles, designated subclass pattern B; and an intermediate pattern. Genetic studies have demonstrated that these patterns are inherited, but several lines of evidence suggest that environmental factors are important in the phenotypic expression of the pattern. The LDL B pattern is associated with increased levels of plasma triglyceride, reduced high density lipoprotein (HDL), and obesity. To better define the role of environmental factors on LDL phenotypic expression, we determined LDL patterns in patients with the acquired immunodeficiency syndrome (AIDS), an infection characterized by hypertriglyceridemia and weight loss. Similar to previous studies, plasma triglyceride levels were increased, whereas plasma cholesterol, LDL cholesterol, and HDL cholesterol levels were decreased in the AIDS subjects compared to those in age-matched controls. The percentage of AIDS subjects with the LDL B phenotype was increased 2.5-fold, demonstrating an increased prevalence of the LDL B phenotype in an acquired form of hypertriglyceridemia. For each LDL phenotype in AIDS, serum triglyceride levels were higher than the same phenotypic pattern in controls, with the most marked elevations in triglycerides found in AIDS subjects with the LDL B phenotype. In contrast to what was observed in controls, HDL cholesterol levels were decreased in all AIDS subjects and were unrelated to LDL pattern. Total and LDL cholesterol levels were higher in controls with the LDL B phenotype than in those with the LDL A phenotype, but there was no difference in total and LDL cholesterol in AIDS subjects with LDL B compared to A. On multiple regression analysis in subjects with AIDS, plasma triglyceride levels, age, and HDL cholesterol all contribute to the occurrence of the LDL B phenotype, but elevations in plasma triglyceride levels are the strongest independent predictor. Body mass index was not a predictor of LDL B phenotype in AIDS. These results suggest that disturbances in triglyceride metabolism that are caused by AIDS lead to the appearance of the LDL subclass B phenotype and provide further evidence that environmental or disease states that perturb lipid metabolism can produce an increased prevalence of the LDL B phenotype.

Acquired Immunodeficiency Syndrome↗

Gemfibrozil treatment of endogenous hypertriglyceridemia: effect on insulin-mediated glucose disposal and plasma insulin concentrations.

Gemfibrozil or placebo was administered for 3 months to 24 individuals with endogenous hypertriglyceridemia and normal glucose tolerance. Mean ( +/- SEM) fasting plasma triglyceride (TG) concentrations decreased (4.01 +/- 0.55 to 1.34 +/- 0.12 mmol/L; P < 0.001) and high density lipoprotein cholesterol concentrations increased (0.54 +/- 0.03 to 0.67 +/- 0.04 mmol/L; P < 0.001) in gemfibrozil-treated patients, associated with lower (P < 0.01-0.001) plasma free fatty acid and TG concentrations when measured at hourly intervals in response to breakfast (0800 h) and lunch (1200 h). However, day-long plasma glucose and insulin responses to meals in the 2 groups were similar before and after treatment, as were the steady state plasma glucose and insulin concentrations at the end of a 180-min infusion of somatostatin, insulin, and glucose. Thus, marked decreases in both plasma TG and free fatty acid concentrations seen in association with gemfibrozil neither enhanced insulin-mediated glucose disposal nor lowered ambient plasma insulin concentrations in patients with endogenous hypertriglyceridemia.

Adult↗

Carbohydrate-induced hypertriglyceridemia: an insight into the link between plasma insulin and triglyceride concentrations.

This study was initiated to test the hypothesis that endogenous hypertriglyceridemia results from a defect in the ability of insulin to inhibit the release of very low-density lipoprotein-triglyceride (TG) from the liver. To accomplish this goal, plasma glucose, insulin, free fatty acid (FFA), and TG concentrations were compared in 12 healthy volunteers, in response to diets containing either 40% or 60% of total calories as carbohydrate (CHO). The protein content of the two diets was similar (15% of calories), and the fat content varied inversely with the amount of CHO (45% or 25%). The diets were consumed in random order, and measurements were made of plasma glucose, insulin, FFA, and TG concentrations at the end of each dietary period, fasting, and at hourly intervals following breakfast and lunch. The results indicated that the 60% CHO diet resulted in higher fasting plasma TG concentrations associated with higher day-long plasma insulin and TG concentrations, and lower FFA concentrations. These results do not support the view that hypertriglyceridemia is secondary to a failure of insulin to inhibit hepatic TG secretion.

Blood Glucose↗

Intensive, long-term plasma exchange therapy for severe hypertriglyceridemia in acquired generalized lipoatrophy.

We report dramatic improvement in clinical and laboratory parameters after intensive plasma exchange therapy in a 15-yr-old girl with acquired generalized lipoatrophy and refractory hypertriglyceridemia. One hundred and twenty-five procedures were performed over 720 d. Two or three plasma volumes were exchanged per procedure, using peripheral venous access and albumin as replacement solution. Regression of painful cutaneous xanthomata and reduction in massive hepatomegaly were noted within the first two procedures. Triglyceride levels started at 109 mmol/liter (9670 mg/dl) and decreased acutely by 60-85%/procedure. Lipid removal averaged 83 g/procedure and was highly correlated with preexchange lipid levels. Lipid levels rebounded to baseline values within 7 d after exchange and appeared to rebound more rapidly after larger exchanges. Maximum benefit was achieved with weekly 1.5- to 2.0-volume exchanges. No significant decrease in apolipoprotein CII levels was detected after plasma exchange regardless of the volume of exchange; however, other plasma factors regulating triglyceride synthesis or clearance may have been removed during the procedures. Plasma exchange was well tolerated, without clinical, immunological, or hormonal deterioration. These data indicate that intensive plasma exchange therapy over a protracted time may produce sustained benefit in patients with severe, symptomatic hypertriglyceridemia refractory to standard medical therapy.

Adipose Tissue↗

Hypertriglyceridemia, the coronary heart disease risk marker "solved".

Both epidemiological and intervention studies have shown that hypertriglyceridemia is a significant cardiovascular risk factor. The large variation of the triglyceride values is explained by the influence of several modifying factors, which are difficult to standardise. Therefore hypertriglyceridemia should be considered rather as risk marker, than risk factor. The measurement of the apolipoprotein CIII level, which is a more stable parameter of the triglyceride rich lipid particles, is now becoming more widespread. This parameter is also able to substitute the assessment of the small dense LDL form that has a controversial significance. The clinical benefit of reduction of triglyceride concentration and the accompanying increase of HDL cholesterol level by fibrates, in the prevention of the coronary heart disease (CHD) events, have been demonstrated in several prospective, placebo-controlled trials. The VA-HIT study, enrolling the largest number of patients, has shown that fibrates have another effect, presumably influencing the insulin resistance independently of lipid levels that is also able to reduce the CHD events.

Apolipoprotein C-III↗

Hypertriglyceridemia, acute pancreatitis, and diabetic ketoacidosis possibly associated with mirtazapine therapy: a case report.

A 44-year-old woman with a history of major depression and obsessive-compulsive disorder was prescribed mirtazapine. She came to the emergency department approximately 2 months after starting therapy; severe hypertriglyceridemia, acute pancreatitis, and diabetic ketoacidosis were diagnosed. Although these adverse effects have been reported in early clinical trials, we found only three published cases of subclinical pancreatitis possibly associated with mirtazapine therapy. We suspect that mirtazapine-associated hypertriglyceridemia had contributed to the development of acute pancreatitis and diabetic ketoacidosis in our patient. All these problems resolved with supportive care and discontinuation of mirtazapine. Her serum amylase, lipase, and lipid levels were normal 2 months after the acute event occurred. Health care providers should be aware of these possible adverse effects. Serum glucose and triglyceride levels should be measured at baseline and monitored regularly thereafter in all patients receiving mirtazapine therapy.

Acute Disease↗

Correction of hypertriglyceridemia with low high-density lipoprotein cholesterol by the novel compound NO-1886, a lipoprotein lipase-promoting agent, in STZ-induced diabetic rats.

We have previously reported that the novel compound NO-1886 increased lipoprotein lipase (LPL) activity, with resulting elevation of high-density lipoprotein (HDL) cholesterol in normal rats (J Clin Invest 92:411-417, 1993). The aim of this study was to ascertain whether the compound has the same action in diabetes, because hypertriglyceridemia with low HDL cholesterol is an extremely common concomitant condition in diabetes. Streptozotocin-induced diabetic rats showed marked elevation of plasma triglyceride and reduction of HDL cholesterol. Both single and repeated administration of NO-1886 increased postheparin plasma LPL activity, with resulting reduction of plasma triglyceride and elevation of HDL cholesterol. Repeated administration increased the amount of LPL mRNA in adipose tissue and myocardium. The compound had no effects on plasma glucose and insulin levels. Our study indicates that the compound is potentially beneficial for the treatment of hypertriglyceridemia with low HDL cholesterol in diabetes.

Adipose Tissue↗

Impaired beta-cell function and deposition of fat droplets in the pancreas as a consequence of hypertriglyceridemia in OLETF rat, a model of spontaneous NIDDM.

Hypertriglyceridemia is known to be a feature of obesity-related NIDDM, but the patho-etiological significance of this association is obscure. The effects of triglycerides (TGs) on beta-cell function and morphological changes in pancreas were examined using in vivo and in vitro approaches in male OLETF rats at ages 6, 12, and 30 weeks, with their diabetes-resistant counterpart, LETO rats, as normal controls. The results showed that, in the fasting state, plasma TGs in OLETF rats were increased 2.5-fold at age 6 weeks, 3.3-fold at age 12 weeks, and 6.2-fold at age 30 weeks, compared with age-matched LETO rats. The TG content in islets from 12-week-old OLETF rats was significantly increased when compared with those from their age-matched counterparts, but this was not the case with the 6-week-old OLETF rats. Therefore, the islets from 6-week-old rats were cultured with either free fatty acids (FFAs; 1.0 mmol/l sodium oleate) or TG (5.0 mmol/l Intralipide) for 72 h. Several abnormalities in OLETF rats were evident, in contrast to the results from control LETO rats: 1) glucose-induced insulin secretion was more inhibited by either FFAs or TGs in the presence of 27.7 mmol/l glucose, a result associated, at least in part, with reduced glucokinase activity in the islets; 2) a marked elevation in TG content was found in the islets; and 3) the deposition of fat droplets in the enlarged islets, even in the beta-cells, was found by Oil Red O-insulin double staining at age 30 weeks. In conclusion, hypertriglyceridemia resulted in significant TG stores in the islets, which subsequently inhibited glucose-induced insulin secretion, at least in part, via reduced glucokinase activity in the islets. Fat droplets in islets, therefore, may play an important role in hastening the development of NIDDM in this rat model.

Animals↗

Hypertriglyceridemia is positively correlated with the development of colorectal tubular adenoma in Japanese men.

AIM: To determine the real association between serum lipid levels and colonic polyp formation. METHODS: We performed a large scale retrospective study to analyze the correlation between the incidence of colorectal adenoma or carcinoma and the fasting serum levels of total cholesterol (TC) and triglycerides (TG) in patients who underwent total colonoscopy for screening for colon cancer. RESULTS: Both levels were significantly elevated in patients with adenomas as compared with patients without any neoplastic lesion (TC 207.6+/-29.5 vs 199.5+/-34.3, n=4883, P<0.001; TG 135.0+/-82.2 vs 108.7+/-71.5, n=4874, P<0.001). The difference was significant in patients with tubular adenoma but not in those with villous or serrated adenoma. Multiple logistic regression analysis including age and sex revealed that TG was an independent correlation factor in male (P<0.01), but not in female patients. The level of TG in patients with invasive carcinoma did not show a significant elevation from that in patients with adenoma. These findings suggest that hypertriglyceridemia is an independent risk factor for colonic adenoma in men. CONCLUSION: Although a high level of serum triglyceride does not appear to be mechanically involved in the development of carcinoma, reduction of serum TG and intensive surveillance with total colonoscopy may have benefit in men with hypertriglyceridemia.

Adenoma↗

Does hypertriglyceridemia increase risk for CAD? Growing evidence suggests it plays a role.

High triglyceride levels are associated with several risk factors that substantially increase the risk of CAD. The metabolic syndrome is a constellation of signs and symptoms (e.g., postprandial hypertriglyceridemia, low LDL cholesterol levels, insulin resistance) that has been linked to a high incidence of heart disease. Treatment of hypertriglyceridemia begins with an aggressive lifestyle modification program. Dietary restriction of alcohol and carbohydrates can significantly lower triglyceride levels in many patients. Pharmacotherapy should be considered for patients at high risk of cardiac disease.

Coronary Disease↗