Japanese and American ALS patient preferences regarding TIV (tracheostomy with invasive ventilation): A cross-national survey

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Abstract
Substantial disparities in TIV utilization rates among ALS patients have been observed, with rates in Japan far exceeding rates in the United States. Our objective was to elicit national preferences and their determinants. We predicted more Japanese than American patients would desire TIV, as would sicker patients, those already using non-invasive interventions, and those with more positive mood and outlook. Patients were enrolled in five U.S. states and six Japanese regions. Eligible patients completed surveys during clinic visits (U.S.) or at home (Japan). Survey responses were in multiple-choice format and took about 15 min to complete. One hundred and fifty-six Americans and 66 Japanese patients participated. Contrary to expectations, Japanese patients were more likely to oppose TIV, as were those on 24-h NIV and patients who knew someone using TIV. Most Japanese and American patients with advanced respiratory impairment were undecided or opposed to TIV, while nearly 20% in both countries were in favor. Finally, patients who favored TIV or who were undecided had more energy, greater wish to live, and more sense of control over ALS management. In conclusion, factors other than patient preferences, such as neurologist preferences, caregiver attitudes and perhaps lack of advance planning, may influence probability of TIV utilization.