The phrase "an important trigger" is correct and usable in written English.
You can use it when discussing a factor or event that initiates a significant change or reaction in a particular context.
Example: "The sudden increase in temperature was an important trigger for the chemical reaction."
Alternatives: "a key catalyst" or "a significant prompt".
The latter remains an important trigger for revision surgery.
Diet is an important trigger and sufferers have to learn which foods make their symptoms worse.
And there's little question that sky-high food prices have been an important trigger for popular rage.
According to some schools of thought, this was an important trigger antagonizing other communal groups and leading in the end to the internecine war.
Accumulating evidence has demonstrated hypoxia to be an important trigger of tumor cell invasion or metastasizes via hypoxia-signaling cascades, including hypoxia-inducible factors (HIFs).
Another implication from this work is that background neutron radiation could be an important trigger for cancer in higher animals, such as humans.
And they confirmed that it was indeed LPA that the cells had been consuming from their growth medium in the initial experiments, providing compelling evidence that LPA gradients may be an important trigger for melanoma cells to spread.
First, the decline in systemic NAD+ biosynthesis could be an important trigger for a variety of pathophysiological changes that significantly contribute to aging through decreased activities of SIRT1 and other sirtuins.
This suggests interatrial flow as an important trigger for migraine headaches in this patient.
This represents an important trigger for inflammation resolution and the initiation of tissue repair [85-91 [85-91
Pollen with other factors and microorganisms, like fungal spores is an important trigger of respiratory diseases.
