After the ICU, recovery is hard on patients—and caregivers. A new study maps how their struggles overlap

A study in JAMA Network Open followed 148 U.S. ICU survivors (all had delirium during critical illness) and their primary caregivers for a year to see how post‑intensive care syndrome (PICS) in patients and caregiver burden influence each other. Researchers checked in at 3 and 12 months after hospitalization.

Key takeaways

  • Common, lingering problems. At 3 months, many patients still had difficulties with basic daily activities (44%), household tasks like managing money or cooking (26%), thinking/memory (28%), or post‑traumatic stress symptoms (24%). These rates changed little by 12 months.
  • Strain eases slightly—but remains. Caregiver burden scores dipped modestly over the year; about 28% met a “high burden” threshold at 3 months versus 21% at 12 months.
  • Linked in the moment, not over time. Patient PICS and caregiver burden rose and fell together at each time point, but early problems in one did not reliably predict worse outcomes in the other months later. In other words, they co‑exist rather than drive each other’s long‑term course.

Why it matters

Millions of people leave the ICU each year with lasting issues in physical function, memory, and mental health. This study suggests patients and caregivers need parallel support at the same time, rather than expecting that improvements in one will automatically fix the other.

What families can do

  • Ask for an ICU recovery plan that includes both the patient and the caregiver.
  • Schedule routine checks for mood, sleep, thinking, and daily function in the first year after discharge.
  • Seek out caregiver resources (support groups, respite services, counseling) early—even if things feel manageable at first.

Source: Ahn S, LaNoue M, Su H, et al. “Post–Intensive Care Syndrome and Caregiver Burden: A Post Hoc Analysis of a Randomized Clinical Trial.” JAMA Network Open. Published April 8, 2025; 8(4):e253443. doi:10.1001/jamanetworkopen.2025.3443.*