McCready, whose career has been eclipsed in recent years by her battle with substance abuse, stints in jail and the revelation of her alleged long-term affair with married former New York Yankee pitcher Roger Clemens, was hospitalized Wednesday morning.
Nashville police told the New York Daily News the 33-year-old recording artist slashed her wrists at her younger brother's Nashville home.
Timothy McCready told police he came home at about 3:30 a.m. to find his sister "very intoxicated" and noticed blood on her bed when he went to check on her later that morning.
Mindy McCready had surgery Thursday to repair a severed tendon in her left arm and also underwent a psychiatric evaluation, a source told the Daily News.
"She came through her surgery just fine. She is recovering nicely," the source said.
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