The phrase "aggravating role" is correct and usable in written English.
It can be used to describe a part played by someone that adds to the difficulty or annoyance of a situation.
Example: "In the negotiation, his aggravating role made it hard to reach a consensus."
Alternatives: "exacerbating role" or "irritating role".
Of course, maybe all the other stuff has had an aggravating role.
In any case, it is important to strictly control hypertension, since hypertension per se has a deleterious effect on the microvascular lesions and plays an aggravating role in HUS.
The analysis of this map show also that the urban structure types play really a key role in addition to population density, flat slope and heavy rainfall into the risk of flooding in Abidjan; as well as other anthropogenic factors (uncontrolled urbanization) showing morphology level play an aggravating role in the risk of flooding.
These data suggest that p55 TNFR has neither a clear protective nor an aggravating role in the development of AngII induced AAA.
In contrast to an aggravating role for p55 TNFR in atherosclerosis, this receptor does not seem to play a major role in the AngII-induced model of abdominal aortic aneurysm development.
In the sequence of events MBL might have an aggravating role in both the ischemia and the reperfusion phase of CIN with different targets in both phases.
The postmenopausal phase has been considered an aggravating factor for developing metabolic syndrome.
This up-regulates the production of osteoblastogenic proteins, further aggravating diastolic function [ 30].
John Paul Wootton's tariff will increase from 14 to 18 years due to aggravating factors in his role in the killing.
We find that aggravating interactions play a major role in the definition of many modules (e.g. 150 of the 242 modules in the CB network are defined solely based on aggravating interactions).
The aggravating factors of his still undefined role in the terrorist killing were cited.
