The Kardashians have posted the same message about Lamar Odom's hospitalization across their respective apps, and it's being reported as an "official statement" on the situation. More likely, it's simply a way of notifying people that the Kardashians are dealing with a serious medical emergency in their family and they won't be focusing on content for awhile. Here is a screenshot of how it appears on Lamar's (technically, still) wife, Khloé Kardashian's website:

Sources: Khloé Kardashian | h/t People