In the event is sometimes used for this purpose (via sense 2, “The final result; the outcome”). This usage is not frequent or common. Phrases like “As it turns out” or “We find” or other circumlocutions are more likely to be used in the suggested context. For example:
• In the event, we cannot ...
• We find we cannot ...
• Under the circumstances, we cannot ...
Ngrams for As it turns out,We find,In the event,as it turns out,in the event implies that in other contexts than that of the question, “As it turns out” or “as it turns out” occur less freqently than do We find and In the event.
Edit: A comment suggests that the above is “very close”, but that I mean “in any event”, not “in the event”. The comment is wrong. Here are some examples illustrating use of “in the event” as described above. In each example, “in the event” is used with the sense “as it turns out” or “as it turned out” or “as it will turn out”.
• Most of the other victims are also very young and would today be considered virtually children or what many would call Lolitas (although this is to ignore the fact that Nabokov's heroine was only pubescent and in the event was no innocent virgin). – Women in the Ancient World: The Arethusa Papers, J. Peradotto, J. Sullivan, 1984
• ... recommended the raising of the minimum age... but this was not, in the event, accepted by the government. – Poverty in the United Kingdom, Peter Townsend, 1979
• Nevertheless, an optimum rate is based on assumptions about prices and climatic conditions which in the event may turn out to be wrong, although the assumptions were the best available in advance. – Design and analysis of superphosphate trials, K. R. Middleton, 1973
• They were intended to be the first two of a series, which in the event his son finished after his death, and to be a work of national education, a summary of what the modern Egyptian should know about his watan. – Arabic Thought in the Liberal Age 1798-1939, Albert Hourani, 1962
• In fact, every day's experience shews that men are deceived in the event, even when they regard themselves as most certain. – Blackwood's Edinburgh Magazine, T. D., 1821