The Residence in Portlaoise was featured prominently in the investigative piece.
New admissions have been suspended at a nursing home in Laois after it was featured in a TV expose.
The Residence in Portlaoise was one of two homes about which 'significant concerns' were raised in an RTE Investigates report.
HIQA says 'escalatory action' on foot of the programme means admissions have now been stopped.
The Health Information and Quality Authority says further inspections will take place at The Residence, and Beneavin Manor in Glasnevin in Dublin, also featured in the programme.
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