A recent restatement of tort law by the American Law Institute represents a significant evolution in the standards used to adjudicate whether doctors or other medical professionals have acted negligently. Traditionally, such claims have been assessed based primarily on prevailing practices among peers within the same medical specialty. But the restatement, approved by the ALI in 2024, marks a transition toward evidence-based standards, reflecting medical research advancements, clinical guidelines and improvements in healthcare quality assessment systems.

The Restatement (Third) of Torts—Medical Malpractice introduces these pivotal changes:

1. Revised role of medical custom — The Restatement specifies that while adherence to medical customs is still relevant, it should not be definitive. Courts are now encouraged to view customary practice as just one of several factors. This means that physicians can no longer rely solely on conformity with common methodology as a complete defense against liability.

2. Introduction of the “reasonable physician” standard — The assessment of a physician’s actions will now center on what a reasonable practitioner would do under similar circumstances, with consideration given to current scientific knowledge and acceptable medical outcomes. This standard makes a significant shift from the more subjective peer-based standards.

3. Emphasis on clinical guidelines and evidence — The Restatement stresses consideration of clinical guidelines, consensus statements and the best available evidence in determining medical standards. Expert testimony should thus align more closely with evidence-based resources.

4. Consideration for innovation and emergencies — The Restatement calls for recognition that deviations from standard practices may be necessary in cases involving innovative treatments or unique emergency situations.

5. Enhanced judicial oversight — Judges are expected to more rigorously evaluate the basis of expert witness testimony, verifying that it reflects widely accepted scientific methods. Expert opinions lacking solid scientific support should be treated as having low credibility.

This shift towards an evidence-based approach also raises the evidentiary bar. Plaintiffs’ attorneys must now build well-supported cases based on deviations from what is considered reasonable according to objective scientific evidence. On the other hand, this new framework could diminish the effect of the conspiracy-of-silence phenomenon, whereby local physicians are often reluctant to testify as expert witnesses against their colleagues. Plaintiffs can now utilize national guidelines or impartial assessments to challenge substandard practices, potentially leading to fairer and more objective evaluations.

Gesmonde, Pietrosimone & Sgrignari, L.L.C., in Hamden and East Haven, represents victims of medical malpractice throughout Connecticut. Call us at 203-745-0942 or contact us online to set up an appointment.