Multicomponent telehealth-based rehabilitation improves quality of life and reduces mortality in acute hypoxemic respiratory failureTelehealth rehabilitation program improves outcomes for patients with respiratory failure

This randomized clinical trial evaluated the impact of a multicomponent telehealth-based rehabilitation program on patients with acute hypoxemic respiratory failure. The study was conducted in the intensive care units (ICUs) of 20 public hospitals in Brazil. The study population consisted of 1,916 adults who required invasive mechanical ventilation due to acute hypoxemic respiratory failure. The study design was a stepped-wedge cluster randomized trial, which allows for the evaluation of an intervention across different clusters over time.

The intervention group received a multicomponent telehealth-based rehabilitation program. This program was structured to provide support across three distinct phases: the ICU phase, the ward phase, and the post-discharge phase. The comparator group received usual care according to local protocols. The primary outcome was measured as health-related quality of life at 90 days after hospital discharge, using the EQ-5D-3L utility score.

Regarding the primary outcome, the intervention group achieved a mean EQ-5D-3L utility score of 0.16 compared to 0.12 in the usual care group. The adjusted difference was 0.049 (95% CI, 0.0002 to 0.098; P =.04). However, when analyzing only the survivors, the difference in quality of life scores was not statistically significant, with results of 0.60 in the intervention group versus 0.59 in the usual care group (adjusted difference, -0.045; 95% CI, -0.138 to 0.045; P =.34).

Secondary outcomes provided additional insights into clinical progression. The 90-day all-cause mortality rate was lower in the intervention group at 71.8% compared to 78.3% in the usual care group (676 of 941 vs 584 of 746). This represented an adjusted difference of -7.6% (95% CI, -14.7% to -0.6%; P =.03). Additionally, the duration of mechanical ventilation was significantly shorter in the intervention group, lasting 9.9 days compared to 15.5 days in the usual care group (adjusted difference, -6.2 days; 95% CI, -8.5 to -3.9; P <.001).

Safety and tolerability data were not reported in the study, including specific rates for adverse events, serious adverse events, or treatment discontinuations. While the trial design provides high certainty for the primary outcomes, the lack of statistical significance in quality of life among survivors suggests that the observed improvement in the overall population may be influenced by the lower mortality rate in the intervention group rather than the specific rehabilitation content for survivors. Methodological limitations include the potential influence of reduced mortality on the quality of life scores, which may confound the interpretation of the primary outcome. The stepped-wedge cluster design is robust but requires careful interpretation of the temporal effects. These results suggest that integrated telehealth-based rehabilitation may offer a viable pathway to improve outcomes for patients with acute hypoxemic respiratory failure. Clinicians may consider such programs to potentially reduce mortality and ventilation duration. However, it remains unclear if the rehabilitation specifically improves the quality of life for survivors compared to standard care, as the difference was not statistically significant in that subgroup.