I loved the recent Editorial by Martin London on the operating room of the future, not only because he referred to one of my all-time favorite movies, Back to the Future, but also because I, as an aging baby boomer, also remember going to the operating rooms early to get the single noninvasive blood pressure device at our institution. Those of us who trained with a manual cuff and paper charting have seen tremendous improvements in care and safety enabled by technology, but not without controversy. The early noninvasive blood pressure devices were criticized for not correlating with invasive arterial blood pressure.

Surprisingly, even the pulse oximeter was not accepted early on as necessary until it became mandated. The only prospective randomized trial on the use of pulse oximetry in the operating room found no difference in overall clinical outcomes. More recently, decision support tools have been...

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