The PROCESS Trial: End of the Line for Central Lines?

A lot of things change for doctors once we’re done with training. Most of us leave behind the ivory tower that is the academic medical center to plow the common fields of private practice. We no longer have the weekly journal clubs, the Grand Rounds, the CME lectures. But what we gain is practical hands-on experience with what works, and what doesn’t. A nuanced knowledge of what’s accepted vs. what’s acceptable.

One such area has been the approach to sepsis. Manny Rivers et al published  their game changing study on early goal directed therapy (EGDT) in the treatment of septic shock in 2001, and the result became scripture in the field of Critical Care Medicine. The knowledge that tying sepsis resuscitation to the measurement of central venous oxygen saturation (ScvO2) and central venous pressure (CVP) using a central venous catheter, lead to a surge of recommendations.

The brain trust spewed forth these recommendations in various forms;  Surviving Sepsis Campaign, Sepsis guidelines, Sepsis bundles, Sepsis video games and Sepsis action figures. Somewhere in that sentence I may have transitioned to hyperbole.

Those of us in clinical practice didn’t always follow the drumbeat. Many of our patients with sepsis it seemed, did just fine without a routine central line or blood transfusions, or dobutamine drips. Why use invasive measures when we don’t really need them, and we’re not really sure that they’re helping? Still, when I talked to my ivory tower friends, the response was same, “We always use central lines and follow the EGDT”, they would say.

In case you’re thinking that I’m a maverick, well, it wasn’t just me. Surveys/studies that have looked at compliance with EGDT show compliance anywhere from as low as 0.1% to just above 50%. Clearly people were pushing back against the guidelines, and many began to publicly question whether results of EGDT could be generalized to the general population with sepsis. Continue reading “The PROCESS Trial: End of the Line for Central Lines?”