EVALUATION OF BENEFICIAL EFFECTS OF LINUM USITATISSIMUM IN CONGESTIVE HEART FAILURE
Keywords:Seeds of Linum usitatissimum, Nil, Positive inotropic, Diuretic action, Congestive heart failure
Objective: Evaluation of beneficial effects of the seed of Linum usitatissimum in congestive heart failure.
Methods: Methanolic extract of seeds of Linumusitatissimum (MELU) was prepared using soxhlet apparatus and oil of seed of Linumusitatissimum (OLU) was isolated using Clevenger apparatus. The positive inotropic action of methanolic extract of seeds of Linum usitatissimum was evaluated using Langendorff's assembly (in vitro study). Beneficial effects of methanolic extract and oil of seeds of Linum usitatissimum were carried out by doxorubicin (1 mg/kg, i. p. within 3 w) to induce congestive heart failure (in vivo study). Parameters like electrocardiogram (ECG) recording and cytosolic Ca2+level and histopathology of the heart were carried out. In same study diuretic action was evaluated using Lipschitz model.
Results: Methanolic extract of seeds of Linum usitatissimum showed significantly increased in positive inotropic effect (force of contraction 48.8Â±1.53 mm) as compared to control group (force of contraction 17.5Â±0.76 mm) on Langendorffâ€s study (in vitro study). In doxorubicin-induced congestive heart failure both MELU and OLU showed significant decreased QT (Note: In cardiology, the QT interval is a measure of the time between the start of the Q wave and the end of the T wave in the heart's electrical cycle. There is no full form for this medical word) interval. The histopathologic study indicated the least damage to the architecture of myocardial membrane. MELU and OLU increased urine output (5.66Â±0.16 ml and 6.58Â±0.15 ml respectively) significantly in Lipschitz model as compared to disease control group (4.58Â±0.15 ml).
Conclusion: Present research work emphasizes that the seeds of Linum usitatissimum is beneficial in the management of congestive heart failure because of having positive inotropic effect, diuretic activity and control of rhythmicity of heart.
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