Tenet Healthcare Corp., the second-largest U.S. hospital chain, agreed to pay $31 million to settle 106 individual lawsuits over complications from heart surgery against a hospital in Palm Beach, Fla.

The suits, filed between 1997 and 2002 against Palm Beach Gardens Medical Center, alleged the plaintiffs suffered infections after having cardiac surgeries at the facility.

Tenet, based in Santa Barbara, anticipates individual settlement agreements will be signed by the plaintiffs within 30 days, and that all the suits will then be dismissed. The company’s headquarters will be relocated to Dallas on Jan. 3.

Earlier this week, Tenet agreed to pay $395 million to settle lawsuits accusing one of its former California hospitals, the Redding Medical Center, of performing unnecessary heart surgeries and other procedures between 1997 and 2002.

Tenet also said Thursday it has completed the sale of two St. Louis hospitals to Argilla Healthcare Inc. for about $45 million. The hospitals were among 27 that Tenet said earlier this year it would divest.