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June 17, 2009BMC GastroenterologyOpen Access

Lipoprotein lipase activity and mass, apolipoprotein C-II mass and polymorphisms of apolipoproteins E and A5 in subjects with prior acute hypertriglyceridaemic pancreatitis

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Key result

Survivors of acute hypertriglyceridaemic pancreatitis showed no significant differences in postheparin lipoprotein lipase activity (69 vs 92 mU/mL, p=0.057) or mass compared to patients with severe hypertriglyceridaemia without pancreatitis.

Why the study?

Are there differences in lipoprotein lipase activity, apolipoprotein mass, and polymorphisms between patients with severe hypertriglyceridaemia who develop acute pancreatitis and those who do not?

Population

24 survivors of acute hypertriglyceridaemic pancreatitis and 31 patients with severe hypertriglyceridaemia

Design

Case-control

Authors

ICInmaculada Coca‐PrietoHospital Clínico Universitario Virgen de la VictoriaPVPedro ValdivielsoHospital Clínico Universitario Virgen de la VictoriaGOGunilla OlivecronaLipigon Pharmaceuticals (Sweden)

Discussion

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Implication

May identify protein differences linked to pancreatitis susceptibility in severe hypertriglyceridaemia; leaves open causal validation in prospective studies.

Study Design

Type

Case-Control (n=55)

Multicenter

No

Structured PICO

Are there differences in lipoprotein lipase activity, apolipoprotein mass, and polymorphisms between patients with severe hypertriglyceridaemia who develop acute pancreatitis and those who do not?

P
Population
55 patients older than 14 years with severe hypertriglyceridaemia, comprising 24 survivors of acute hypertriglyceridaemic pancreatitis and 31 controls without pancreatitis.
C
Comparator
Patients with severe hypertriglyceridaemia without pancreatitis
O
Outcome
Differences in lipoprotein profile, postheparin lipoprotein lipase mass and activity, hepatic lipase activity, apolipoprotein C II and CIII mass, and apo E and A5 polymorphismssurrogate

Main Result

Absolute Event Rate: 69% vs 92%

p-value: p=0.057

Primary defects in lipoprotein lipase and apolipoprotein C-II are rare in survivors of acute hypertriglyceridaemic pancreatitis, suggesting lipase activity measurements should be restricted to those with childhood onset.

Limitations

  • Patients were evaluated several months after the acute pancreatitis episode rather than during the acute phase.
  • Many patients were receiving fibrate therapy, which can modify lipids and increase LPL activity.
  • Small sample size limited the statistical power to detect differences in genetic polymorphisms.
  • Family history of hyperlipidemia relied mainly on patient recall.

Cite This Study

Coca‐Prieto et al. (2009) conducted a case-control in Severe hypertriglyceridaemia with or without acute pancreatitis (n=55). Acute hypertriglyceridaemic pancreatitis vs. Severe hypertriglyceridaemia without pancreatitis was evaluated on Postheparin lipoprotein lipase (LPL) activity (mU/mL) (p=0.057). Survivors of acute hypertriglyceridaemic pancreatitis showed no significant differences in postheparin lipoprotein lipase activity (69 vs 92 mU/mL, p=0.057) or mass compared to patients with severe hypertriglyceridaemia without pancreatitis.

synapsesocial.com/papers/6a5ebdc95656179ce1005d95https://doi.org/10.1186/1471-230x-9-46
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